Anti-drop and anti-eccentric-wear sucker rod eccentric wear device

Abstract

The utility model discloses an anti-drop and anti-eccentric-wear sucker rod eccentric wear device, which comprises a main body assembly, and the main body assembly comprises a connecting end and a sucker rod arranged below the connecting end; the anti-disengaging assembly comprises a connecting ring fixed to the lower portion of the connecting end, connecting rods fixed to the two sides of the connecting ring, first springs fixed to the bottom ends of the connecting rods, and mounting blocks fixedly connected to the bottom ends of the first springs. The problems that after the bottom end of an existing eccentric wear device is installed at the corresponding position of a sucker rod, the eccentric wear device can act on the sucker rod, the sucker rod is straightened by the eccentric wear device in the up-and-down drawing process of the sucker rod, the connecting position of the eccentric wear device and the sucker rod can move and rub, and if the sucker rod is excessively drawn, the eccentric wear device of the sucker rod can be disengaged are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sucker rods, in particular to an anti-fall-off and anti-eccentric wear device for sucker rods. Background Art

[0002] The sucker rod is a slender rod of the pumping well. It is connected to the bare rod at the top and the oil pump at the bottom to transmit power. When the sucker rod is in use, it needs to be straightened with an eccentric wear device to prevent the sucker rod from eccentric wear during use.

[0003] However, it still has the following disadvantages in actual use:

[0004] The bottom end of the existing eccentric wear device is installed at the corresponding position of the sucker rod. After installation, the eccentric wear device can act on the sucker rod. When the sucker rod moves up and down, the eccentric wear device straightens it, and the connection between the two will move and rub. If the sucker rod is over-pulled, the eccentric wear device of the sucker rod may be detached. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-detachment and anti-eccentric wear sucker rod eccentric wear device, which solves the problem of the existing eccentric wear device proposed in the above background technology being installed at the corresponding position of the sucker rod through the anti-detachment component. After installation, the eccentric wear device can act on the sucker rod. During the up and down movement of the sucker rod, the eccentric wear device straightens it, and the connection between the two will move and rub. If the sucker rod is excessively pumped, the eccentric wear device of the sucker rod may detach.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a sucker rod eccentric wear device for preventing falling off and eccentric wear, comprising:

[0008] A main body component, the main body component comprising a connecting end and a sucker rod installed below the connecting end;

[0009] The anti-slip assembly comprises a connecting ring fixed below the connecting end, connecting rods fixed on both sides of the connecting ring, a first spring fixed at the bottom end of the connecting rod, and a mounting block fixedly connected to the bottom end of the first spring.

[0010] Furthermore, a clamping block is clamped on the inner side of the installation block, and a mounting ring is slidably connected between the inner sides of the clamping blocks;

[0011] A mounting rod is threadedly connected between the mounting block and the clamping block, a clamping groove is provided on the mounting ring at a corresponding position of the clamping block, and the mounting ring is rotatably connected to the surface of the sucker rod.

[0012] Furthermore, a slot is formed at the top and bottom ends of the mounting ring, the top and bottom ends of the clamping block extend into the slot, protrusions extend from both sides of the clamping block, and the protrusions extend into both sides of the slot.

[0013] Furthermore, the auxiliary anti-slip assembly includes a round rod threadedly connected to the inner side of the connecting rod and an insertion rod sleeved inside the outer end of the round rod.

[0014] Furthermore, one end of the insertion rod extends to the inside of the round rod, and a second spring is fixedly connected to the inside of the round rod, and an outer end of the second spring is fixedly connected to the insertion rod.

[0015] Furthermore, circular grooves are provided on both sides of the top end of the sucker rod, and the outer end of the inserted rod extends into the circular groove.

[0016] Furthermore, the main body component also includes a sleeve sleeved on the top end of the connecting end and a rotating rod movably connected to the top end of the sleeve.

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] 1. The utility model comprises a connecting ring which is sleeved below the connecting end, connecting rods are fixedly connected on both sides of the connecting ring, and a first spring is fixedly connected below the connecting rod, and a mounting ring is sleeved on the sucker rod below the connection between the sucker rod and the connecting end, and the mounting ring is threadedly rotatably connected to the sucker rod, and the mounting ring is connected to the mounting block at the bottom end of the first spring through a clamping block, and the mounting ring is slidably connected to the clamping block so that the mounting ring limits the sucker rod, and when the sucker rod moves up and down, the sucker rod moves and rubs inside the connecting end of the eccentric wear device, at this time, the mounting ring follows the movement through the first spring, but the connecting rod and the first spring control the moving range of the sucker rod within a certain range, thereby preventing the sucker rod from being separated from the eccentric wear device.

[0019] 2. Based on beneficial effect 1, a movable insertion rod is arranged on the inner side of the connecting rod, and circular grooves are provided on both sides of the top of the sucker rod. When the sucker rod is in normal use, the outer surface of the sucker rod squeezes the insertion rod. When the sucker rod is about to be separated from the inside of the connecting end, the circular groove is exposed to the outside. At this time, the insertion rod touches the circular groove, and at the same time, the force squeezing the second spring disappears, and the second spring drives the insertion rod to pop out into the circular groove, thereby preventing the sucker rod from being completely separated from the inside of the connecting end of the eccentric wear device.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the anti-slip assembly of the utility model;

[0024] Figure 3 This is a schematic diagram of the exploded structure of the clamping block and the mounting block of the utility model;

[0025] Figure 4 This is a schematic diagram of the exploded structure of the auxiliary anti-slip component of the utility model.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 11. casing; 12. rotating rod; 13. connecting end; 14. sucker rod; 21. connecting ring; 22. connecting rod; 23. first spring; 24. mounting block; 25. clamping block; 251. clamping groove; 26. mounting ring; 27. slot; 28. mounting rod; 31. round rod; 32. insert rod; 33. second spring; 34. round groove. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0030] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0031] See also Figure 1-Figure 3 As shown, this embodiment is a sucker rod eccentric wear device for preventing slippage and eccentric wear, comprising:

[0032] The main body component includes a connecting end 13 and a sucker rod 14 installed below the connecting end 13;

[0033] The connecting end 13 is used to connect with the corresponding position of the sucker rod 14, and the sucker rod 14 is used in the oil well;

[0034] The anti-slip assembly includes a connecting ring 21 fixed below the connecting end 13, connecting rods 22 fixed on both sides of the connecting ring 21, a first spring 23 fixed to the bottom end of the connecting rod 22, and a mounting block 24 fixedly connected to the bottom end of the first spring 23;

[0035] The connecting ring 21 is used to place the connecting rod 22, the connecting rod 22 is used to connect the lower components, the first spring 23 is used to connect the connecting rod 22 and the mounting block 24, and the mounting block 24 is used to place other components;

[0036] The inner side of the mounting block 24 is clamped with a clamping block 25, and the inner sides of the clamping blocks 25 are slidably connected with a mounting ring 26;

[0037] A mounting rod 28 is threadedly connected between the mounting block 24 and the clamping block 25. A mounting ring 26 is provided with a clamping groove 251 at a corresponding position of the clamping block 25. The mounting ring 26 is rotatably connected to the surface of the sucker rod 14.

[0038] The clamping block 25 limits the mounting ring 26, and the mounting ring 26 is slidably connected to the clamping block 25. The mounting ring 26 can rotate between the inner sides of the clamping block 25, so that the mounting ring 26 is threadedly connected to the upper part of the sucker rod 14, and the upper part of the sucker rod 14 is provided with a thread;

[0039] The top and bottom ends of the mounting ring 26 are provided with a slot 27, the top and bottom ends of the clamping block 25 extend into the slot 27, and protrusions extend from both sides of the clamping block 25, and the protrusions extend to the inside of both sides of the slot 27;

[0040] The slot 27 is provided to facilitate the rotation of the mounting ring 26 inside the clamping block 25, while the clamping block 25 will not be separated from the mounting ring 26;

[0041] The main assembly also includes a sleeve 11 sleeved on the top of the connecting end 13, and a rotating rod 12 movably connected to the top of the sleeve 11;

[0042] The sleeve 11 is used to be sleeved with the connecting end 13, and the rotating rod 12 is used to rotate;

[0043] Working principle:

[0044] The mounting ring 26 is sleeved on the sucker rod 14, the mounting rod 28 is held, and the two ends of the mounting rod 28 are inserted into the clamping block 25 and the mounting block 24, and then the mounting rod 28 is rotated so that the clamping block 25 is connected with the mounting block 24 through the mounting rod 28, so that the mounting block 24 and the clamping block 25 limit the mounting ring 26;

[0045] Then, the mounting ring 26 is rotated so that the mounting ring 26 is rotatably connected to the upper part of the sucker rod 14, so that the mounting ring 26 is connected to the sucker rod 14. Then, when the sucker rod 14 moves up and down, the mounting ring 26 follows the movement through the first spring 23, so that the sucker rod 14 moves within the maximum range above the sucker rod 14 through the mounting ring 26 and the first spring 23. At the same time, the mounting ring 26 limits the sucker rod 14 through the first spring 23 and the connecting rod 22 to prevent the sucker rod 14 from being separated from the eccentric wear device.

[0046] In the above steps, the interaction between the mounting ring 26 and the connecting rod 22 and the connecting ring 21 can prevent the sucker rod 14 from falling off.

[0047] See also Figure 1-Figure 2 , Figure 4 As shown, this embodiment is based on the above embodiment 1 and also includes:

[0048] Auxiliary anti-drop components;

[0049] The auxiliary anti-slip assembly includes a round rod 31 threadedly connected to the inner side of the connecting rod 22, and an insertion rod 32 sleeved inside the outer end of the round rod 31;

[0050] The round rod 31 is used to connect with the connecting rod 22, and the inserting rod 32 is used to be inserted above the sucker rod 14;

[0051] One end of the insertion rod 32 extends into the inside of the round rod 31, and a second spring 33 is fixedly connected inside the round rod 31, and the outer end of the second spring 33 is fixedly connected to the insertion rod 32;

[0052] The end of the insertion rod 32 that is sleeved with the round rod 31 extends into the round rod 31, and the second spring 33 can drive the insertion rod 32 to move;

[0053] Circular grooves 34 are provided on both sides of the top of the sucker rod 14, and the outer ends of the insertion rods 32 extend into the circular grooves 34;

[0054] The circular groove 34 is used for inserting the insertion rod 32. When the insertion rod 32 is inserted into the circular groove 34, the insertion rod 32 can limit the upper part of the sucker rod 14.

[0055] Working principle:

[0056] When the sucker rod 14 is normally connected to the connecting end 13, the outer side of the sucker rod 14 presses the insert rod 32, so that the insert rod 32 moves to the inside of the round rod 31 through the second spring 33. When the sucker rod 14 moves up and down inside the connecting end 13, the mounting ring 26 limits the sucker rod 14 through the first spring 23.

[0057] When the upper part of the sucker rod 14 is about to move out of the connection end 13, the circular groove 34 moves out to the outside, and at this time, the insertion rod 32 is sleeved with the circular groove 34. After the sleeved connection, the force of squeezing the second spring 33 disappears, and the second spring 33 drives the insertion rod 32 to pop out into the circular groove 34, so that the insertion rod 32 limits the upper part of the sucker rod 14 to prevent the upper part of the sucker rod 14 from being completely separated from the connection end 13;

[0058] When replacing the component, the round rod 31 is rotated by hand so that the round rod 31 and the connecting rod 22 are rotated and separated, so that the component can be replaced;

[0059] The above steps can improve your functionality.

[0060] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sucker rod eccentric wear device for preventing slippage and eccentric wear, characterized in that: include: A main body component, the main body component comprising a connecting end (13) and a sucker rod (14) installed below the connecting end (13); An anti-slip assembly comprises a connecting ring (21) fixed below a connecting end (13), connecting rods (22) fixed on both sides of the connecting ring (21), a first spring (23) fixed at the bottom end of the connecting rod (22), and a mounting block (24) fixedly connected to the bottom end of the first spring (23).

2. The anti-fall-off and anti-eccentric wear sucker rod eccentric wear device according to claim 1, characterized in that: The inner side of the installation block (24) is clamped with a clamping block (25), and the inner sides of the clamping blocks (25) are slidably connected with an installation ring (26); A mounting rod (28) is threadedly connected between the mounting block (24) and the clamping block (25); a mounting ring (26) is provided with a clamping groove (251) at a corresponding position of the clamping block (25); and the mounting ring (26) is rotatably connected to the surface of the sucker rod (14).

3. The anti-fall-off and anti-eccentric wear sucker rod eccentric wear device according to claim 2, characterized in that: The top and bottom ends of the mounting ring (26) are provided with a clamping groove (27), the top and bottom ends of the clamping block (25) extend into the clamping groove (27), and protrusions extend from both sides of the clamping block (25), and the protrusions extend into both sides of the clamping groove (27).

4. The anti-fall-off and anti-eccentric wear sucker rod eccentric wear device according to claim 1, characterized in that: Also included are auxiliary anti-slip components; The auxiliary anti-slip assembly comprises a round rod (31) threadedly connected to the inner side of the connecting rod (22) and an insertion rod (32) sleeved inside the outer end of the round rod (31).

5. The anti-fall-off and anti-eccentric wear sucker rod eccentric wear device according to claim 4, characterized in that: One end of the insertion rod (32) extends into the interior of the round rod (31), and a second spring (33) is fixedly connected to the interior of the round rod (31), and the outer end of the second spring (33) is fixedly connected to the insertion rod (32).

6. The anti-fall-off and anti-eccentric wear sucker rod eccentric wear device according to claim 1, characterized in that: Circular grooves (34) are provided on both sides of the top end of the sucker rod (14), and the outer end of the insertion rod (32) extends into the inside of the circular groove (34).

7. The anti-fall-off and anti-eccentric wear sucker rod eccentric wear device according to claim 1, characterized in that: The main body component also includes a sleeve (11) sleeved on the top of the connection end (13) and a rotating rod (12) movably connected to the top of the sleeve (11).

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