Sealing rubber ring for sucker rod joint connection

By designing and reinforcing the sealing ring at the sucker rod joint connection, the problem of poor sealing caused by the misalignment of the sealing ring was solved, achieving stability and convenient replacement.

CN223708855UActive Publication Date: 2025-12-23LIAONING JIAYU PETROLEUM MASCH MFG CO LTD
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Patent Information

Application Number
CN202520501237.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-23
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

The sealing rings at the existing sucker rod joints are prone to displacement when subjected to external vibrations or other factors, resulting in poor sealing and oil leakage.

Method used

A sealing ring comprising a reinforcement component and an enhancement component was designed. The reinforcement component stabilizes the position of the sealing ring, while the enhancement component improves the elasticity of the sealing ring, ensuring a tight fit between the sealing ring and the sucker rod and adapting to changes in joint gap.

Benefits of technology

It enhances the installation stability and sealing performance of the sealing ring, prevents leakage, and facilitates quick disassembly and replacement of the sealing ring.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223708855U_ABST
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Abstract

The sealing rubber ring comprises a sucker rod body, a reinforcing assembly is fixed to one end of the sucker rod body, a strengthening assembly is installed in the reinforcing assembly, a connecting pipe is installed at the other end of the reinforcing assembly, the reinforcing assembly comprises a connector, a sliding groove is formed in the outer side of the connector, and the connecting pipe is installed in the sliding groove. A sliding groove is formed in the inner wall of the connector, a push plate is slidably connected into the sliding groove, a first spring is fixed to the side, close to the inner wall of the connector, of the push plate, and a clamping groove is formed in the inner wall of the connector. The position of the sealing rubber ring cannot deviate, so that the effect of enhancing the installation stability of the sealing rubber ring at the connecting position of the sucker rod is achieved, meanwhile, through the sliding block, the sealing rubber ring can be rapidly detached, and therefore the sealing rubber ring can be rapidly replaced for use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum exploitation equipment technical field, concretely is a sealing rubber ring for sucker rod joint connection. BACKGROUND

[0002] In the process of oil exploitation, the sucker rod works in the well, and the well fluid such as crude oil needs to be lifted to the ground. If the sucker rod joint is not sealed tightly, the well fluid will leak, which not only causes waste of crude oil, but also may pollute the environment. The sealing rubber ring can effectively fill the gap at the joint to prevent well fluid leakage and ensure normal oil exploitation.

[0003] Chinese patent CN217762058U provides a sucker rod joint sealing rubber ring, which comprises a connecting mechanism, and a sealing mechanism is arranged outside the connecting mechanism. The connecting mechanism comprises a first sucker rod, a clamping joint is fixedly connected to the lower end of the first sucker rod, a threaded sleeve is arranged outside the clamping joint, a connecting head is fixedly connected to the lower end of the clamping joint, and a second sucker rod is clamped outside the connecting head. The sucker rod joint sealing rubber ring is fixedly connected to the upper end of the second sucker rod through the connecting head, so that the first sucker rod and the second sucker rod are connected, the threaded sleeve is clamped outside the clamping joint, and the threaded sleeve is threadedly connected to the outside of the second sucker rod, so that the first sucker rod and the second sucker rod are double-connected, the connection is firm, and the first sucker rod is prevented from being disconnected from the second sucker rod when the second sucker rod reciprocates up and down, and the structure makes the sucker rod joint connection stable and firm.

[0004] The above-mentioned sealing rubber ring for sucker rod joint connection may be displaced when the sucker rod joint connection is affected by external vibration or other factors during use, resulting in poor sealing of the sucker rod connection and leakage of part of the oil.

[0005] Therefore, the utility model provides a sealing rubber ring for sucker rod joint connection to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides a sealing rubber ring for sucker rod joint connection, which solves the problem that the sealing rubber ring for sucker rod joint connection may be displaced when the sucker rod joint connection is affected by external vibration or other factors during use, resulting in poor sealing of the sucker rod connection and leakage of part of the oil.

[0007] In order to achieve the above object, the utility model discloses a sealing rubber ring for connecting sucker rod joint through the following technical scheme: a sealing rubber ring for connecting sucker rod joint, including the sucker rod body, the one end of sucker rod body is fixed with reinforcing component, the reinforcing component is installed with the enhancement component, the other end of reinforcing component is installed with the connecting pipe,

[0008] The reinforcing component includes a connecting head, a sliding groove is formed on the outer side of the connecting head, a push plate is slidably connected in the sliding groove, a first spring is fixed to the side of the push plate close to the inner wall of the connecting head, a clamping groove is formed in the inner wall of the connecting head, a second spring is fixed to the upper and lower ends of the clamping groove, and a limiting block is fixed to the other end of the second spring.

[0009] Preferably, an installation groove is formed on the side of the connecting pipe close to the sucker rod body, and an installation opening is formed in the side of the installation groove.

[0010] Preferably, a clamping block is fixed to one side of the enhancement component, and an installation block is fixed to the other side of the enhancement component, the clamping block is movably clamped in the clamping groove, and the installation block is movably clamped in the installation groove.

[0011] Preferably, a plurality of grooves are formed on the outer side of the connecting head.

[0012] Preferably, the enhancement component includes a sealing rubber ring body, an annular groove is formed in the sealing rubber ring body, a partition plate is fixed in the annular groove, and a third spring is fixed to the two sides of the partition plate.

[0013] Preferably, a plurality of groups of third springs are provided, and the plurality of groups of third springs are symmetrically distributed on the two sides of the partition plate.

[0014] Advantages

[0015] The utility model provides a sealing rubber ring for connecting sucker rod joint, and has the following advantages compared with the prior art:

[0016] (1) A sealing rubber ring for connecting sucker rod joint, by setting reinforcing component, can reinforce the sealing rubber ring installed at the connecting part of the sucker rod, so that the sealing rubber ring does not deviate from the position when the sucker rod is vibrated by external factors, thereby achieving the effect of enhancing the installation stability of the sealing rubber ring at the connecting part of the sucker rod, and through the sliding block, the sealing rubber ring can be quickly disassembled, so that the sealing rubber ring can be quickly replaced.

[0017] (2) The sealing rubber ring for connecting the sucker rod joint, by setting the reinforcing assembly, the elasticity of the sealing rubber ring can be enhanced, so that the sealing rubber ring can be more closely attached to the two sides of the sucker rod when the sealing rubber ring is installed at the sucker rod connecting position, thereby improving the internal sealing performance of the sucker rod connecting position, so that the sealing rubber ring can adapt to the change of the joint gap. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the external structure of the utility model;

[0019] Figure 2 is the external structure of the utility model dismantles the perspective drawing;

[0020] Figure 3 is the reinforcing assembly side sectional structure drawing of the utility model;

[0021] Figure 4 is Figure 3 the structure enlarged view of A in it;

[0022] Figure 5 is the reinforcing assembly side sectional structure drawing of the utility model.

[0023] In the drawing: 1, sucker rod body;2, reinforcing assembly;21, connecting head;22, sliding groove;23, push plate;24, first spring;25, clamping groove;26, second spring;27, limit block;28, clamping block;29, mounting block;210, installation groove;211, installation port;3, reinforcing assembly;31, sealing rubber ring body;32, annular groove;33, partition;34, third spring;4, connecting pipe. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment one:

[0026] Please refer to Figures 1-4 A sealing rubber ring for connecting the sucker rod joint, comprising a sucker rod body 1, a reinforcing assembly 2 is fixed at one end of the sucker rod body 1, a reinforcing assembly 3 is installed in the reinforcing assembly 2, and a connecting pipe 4 is installed at the other end of the reinforcing assembly 2.

[0027] The reinforcing assembly 2 comprises a connecting head 21, a sliding groove 22 is formed on the outer side of the connecting head 21, a push plate 23 is slidably connected in the sliding groove 22, a first spring 24 is fixed to one side of the push plate 23 close to the inner wall of the connecting head 21, a clamping groove 25 is formed in the inner wall of the connecting head 21, and a second spring 26 is fixed to both ends of the clamping groove 25;

[0028] The connecting pipe 4 is provided with a mounting groove 210 on one side close to the sucker rod body 1, the mounting groove 210 is provided with a mounting opening 211 on the side surface, and the mounting groove 210 can be clamped with the mounting block 29, thereby playing a role of reinforcing and stabilizing the sealing rubber ring.

[0029] The reinforcing assembly 3 is fixed with a clamping block 28 on one side and a mounting block 29 on the other side, the clamping block 28 is movably clamped in the clamping groove 25, the mounting block 29 is movably clamped in the mounting groove 210, the clamping block 28 is clamped with the clamping groove 25 at the same time, the sealing rubber ring abuts against the push plate 23, thereby making the push plate 23 move towards the first spring 24 and making the first spring 24 be compressed, so that when the sealing rubber ring needs to be disassembled and replaced, the push plate 23 can be pushed to make the clamping block 28 disengage from the clamping groove 25, and the sealing rubber ring is popped out by the elastic force of the first spring 24, thereby making the disassembly of the sealing rubber ring more convenient.

[0030] The connecting head 21 is provided with a plurality of groups of grooves on the outer side, the design of the grooves can make it more convenient for the worker to hold the sucker rod body 1 and the connecting pipe 4 to be rotatably connected.

[0031] When the sucker rod body 1 and the connecting pipe 4 are connected and installed, the sealing rubber ring body 31 is clamped in the clamping groove 25 through the clamping block 28 on the side, when the clamping block 28 contacts the limiting block 27, the limiting block 27 is contracted to both sides by the second spring 26, thereby making the clamping block 28 be clamped in the clamping groove 25, the limiting block 27 can be reinforced, the sealing rubber ring body 31 pushes the push plate 23 to move towards the inside of the sliding groove 22, thereby making the first spring 24 be compressed, the cooperation of the limiting block 27 and the push plate 23 makes the sealing rubber ring body 31 be stably installed on the connecting head 21, then when the sucker rod body 1 and the connecting pipe 4 are connected, the mounting block 29 at the other end of the sealing rubber ring body 31 is rotatably clamped in the mounting groove 210 of the connecting pipe 4, thereby making the sucker rod body 1 and the connecting pipe 4 be completely clamped, when the sealing rubber ring body 31 needs to be replaced, the connecting pipe 4 and the sucker rod body 1 can be disassembled first, then the push plate 23 is pushed to make the clamping block 28 disengage from the clamping groove 25, and the sealing rubber ring body 31 is directly popped out by the rebounding force of the first spring 24, thereby making it convenient to replace the sealing rubber ring body 31, thereby achieving the effect of quickly replacing the sealing rubber ring body 31.

[0032] Embodiment two:

[0033] Please refer to Figures 1-5 The embodiment provides a technical scheme based on the embodiment one, and the reinforcing assembly 3 comprises a sealing rubber ring body 31, an annular groove 32 is formed in the sealing rubber ring body 31, a partition plate 33 is fixed in the annular groove 32, and a third spring 34 is fixed on the two sides of the partition plate 33;

[0034] The third spring 34 is provided in a plurality of groups, the plurality of groups of third springs 34 are symmetrically distributed on the two sides of the partition plate 33, and the third springs 34 symmetrically distributed on the two sides of the partition plate 33 can uniformly contract when the sealing rubber ring body 31 is extruded, so that the sealing rubber ring body 31 can adapt to the change of the joint gap, thereby improving the sealing performance.

[0035] In the embodiment, when the sealing rubber ring body 31 is installed in the reinforcing assembly 2 and is clamped with the connecting pipe 4, the sealing rubber ring body 31 can be contracted through the third spring 34 in the sealing rubber ring body 31, so that the sealing rubber ring body 31 is in a completely compressed state at the connection, and when the gap at the connection between the sucker rod body 1 and the connecting pipe 4 changes, the sealing rubber ring body 31 can rebound through the third spring 34 in the sealing rubber ring body 31, so that the sealing rubber ring body 31 can be tightly attached to the two sides, thereby adapting to the different gap conditions at the connection between the sucker rod body 1 and the connecting pipe 4, so that the sealing rubber ring body 31 can maintain good sealing performance.

[0036] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0037] It should be noted that, in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms “include”, “contain” or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sealing grommet for connecting a sucker rod joint, characterized by, The application relates to an oil pumping rod, which comprises an oil pumping rod body (1), a reinforcing assembly (2) fixed at one end of the oil pumping rod body (1), an enhancing assembly (3) installed in the reinforcing assembly (2), and a connecting pipe (4) installed at the other end of the reinforcing assembly (2). The reinforcing assembly (2) comprises a connecting head (21), a sliding groove (22) formed in the outer side of the connecting head (21), a push plate (23) slidably connected in the sliding groove (22), a first spring (24) fixed on the side of the push plate (23) close to the inner wall of the connecting head (21), a clamping groove (25) formed in the inner wall of the connecting head (21), a second spring (26) fixed on the upper and lower ends of the clamping groove (25), and a limiting block (27) fixed on the other end of the second spring (26).

2. A sealing ring for connecting sucker rod joints according to claim 1, characterized in that The connecting pipe (4) is provided with an installation groove (210) on the side close to the oil pumping rod body (1), and the installation groove (210) is provided with an installation opening (211) on the side face.

3. A sealing ring for connecting sucker rod joints according to claim 1, characterized in that, The enhancing assembly (3) is provided with a clamping block (28) on one side and an installation block (29) on the other side, the clamping block (28) is movably clamped in the clamping groove (25), and the installation block (29) is movably clamped in the installation groove (210).

4. The sealing ring for connecting sucker rod joints according to claim 1, characterized in that, The outer side of the connecting head (21) is provided with a plurality of groups of grooves.

5. The sealing ring for connecting sucker rod joints according to claim 1, characterized in that, The enhancing assembly (3) comprises a sealing rubber ring body (31), an annular groove (32) formed in the inner side of the sealing rubber ring body (31), a partition plate (33) fixed in the annular groove (32), and a third spring (34) fixed on the two sides of the partition plate (33).

6. A sealing ring for connecting sucker rod joints according to claim 5, characterized in that The third spring (34) is provided with a plurality of groups, and the plurality of groups of third springs (34) are symmetrically distributed on the two sides of the partition plate (33).

Citation Information

Patent Citations

  • Sucker rod joint sealing rubber ring

    CN217762058U