CN216577623U - Tool capable of quickly and safely disassembling RD (hydraulic resistor) circulating valve mandrel - Google Patents
Tool capable of quickly and safely disassembling RD (hydraulic resistor) circulating valve mandrel Download PDFInfo
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- CN216577623U CN216577623U CN202122386528.5U CN202122386528U CN216577623U CN 216577623 U CN216577623 U CN 216577623U CN 202122386528 U CN202122386528 U CN 202122386528U CN 216577623 U CN216577623 U CN 216577623U
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- mandrel
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- fixed joint
- handed nut
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Abstract
The utility model discloses a tool capable of quickly and safely disassembling an RD circulating valve mandrel.A fixed joint and a mandrel are respectively arranged in a left-handed nut and an upper joint, the outer wall of the mandrel is provided with a small table, and one end of the left-handed nut is provided with a clamping ring; according to the utility model, the fixed joint, the left-handed nut and the clamping ring are arranged, the vice is used for clamping the outer hexagon of the fixed joint, the pipe vice is used for rotating the left-handed nut, the left-handed nut pushes the clamping ring, and the mandrel is ejected out of the upper joint, so that the working strength is reduced, the damage to parts is avoided, the production cost is saved, and the economic benefit is improved.
Description
Technical Field
The utility model relates to the technical field of petroleum machinery manufacturing, in particular to a tool capable of quickly and safely disassembling an RD circulating valve mandrel.
Background
The RD circulation valve is a petroleum downhole testing tool. For repeated and efficient use of the RD circulation valve, after each downhole use, each component is disassembled, cleaned, and the seal replaced and reassembled for the next use.
The prior art has the following defects or problems:
the dabber is pried out with the crow bar to dismantlement mode now, or knocks out the dabber with the bar copper, can cause top connection and dabber to take place serious deformation or damage, even if dismantle, also can't used repeatedly, causes very big waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tool capable of quickly and safely disassembling an RD circulating valve core shaft aiming at the defects in the prior art so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a tool capable of quickly and safely disassembling an RD circulating valve mandrel is characterized in that a fixed joint and a mandrel are respectively arranged inside a left-handed nut and an upper joint, a small table is arranged on the outer wall of the mandrel, and a clamping ring is arranged at one end of the left-handed nut;
the mandrel is movably arranged in the upper joint, and one end of the mandrel protrudes out of one end of the upper joint;
the fixed joint is movably mounted inside the left-handed nut, the clamping ring is arranged at one end of the left-handed nut, the inner wall of the clamping ring is fixedly connected to one side of the small table, threaded holes are formed in two ends of the clamping ring, and clamping screws are movably mounted inside the threaded holes.
Optionally, the outer wall of the fixed joint is provided with left-handed threads, and the inner wall of the fixed joint is provided with right-handed threads.
Optionally, the inner wall of the fixed joint is movably mounted on the outer wall of the upper joint, and the thread of the inner wall of the fixed joint is matched with the thread of the outer part of the upper joint.
Optionally, the inner wall thread of the left-handed nut is matched with the outer wall thread of the fixed joint.
Optionally, the fixed joint and one end of the left-handed nut are both provided with through holes.
Compared with the prior art, the utility model provides a tool capable of quickly and safely disassembling the RD circulating valve mandrel, which has the following beneficial effects:
according to the utility model, the fixed joint, the left-handed nut and the clamping ring are arranged, the vice is used for clamping the outer hexagon of the fixed joint, the pipe vice is used for rotating the left-handed nut, the left-handed nut pushes the clamping ring, and the mandrel is ejected out of the upper joint, so that the working strength is reduced, the damage to parts is avoided, the production cost is saved, and the economic benefit is improved.
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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the upper joint and the shaft of the present invention;
FIG. 3 is a schematic view of the present invention showing the structure of the fixing joint;
FIG. 4 is a schematic view of the present invention showing the construction of the left-hand nut;
FIG. 5 is a schematic diagram of the present invention illustrating the installation of a clamp ring;
fig. 6 is a schematic structural view of the detaching mandrel of the present invention.
In the figure: 1. an upper joint; 2. a mandrel; 3. fixing the joint; 4. a left-handed nut; 5. a clamp ring; 6. A small table; 7. a clamping screw; 8. a threaded bore.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, in the present embodiment: a tool capable of quickly and safely disassembling an RD circulating valve mandrel is characterized in that a fixed joint 3 and a mandrel 2 are respectively arranged inside a left-handed nut 4 and an upper joint 1, a small table 6 is arranged on the outer wall of the mandrel 2, and a clamping ring 5 is arranged at one end of the left-handed nut 4; wherein 3 outer walls of fixed joint have set up outer hexagonal, facilitate the use of tools to its centre gripping.
Further, a mandrel 2 is movably arranged in the upper joint 1, and one end of the mandrel 2 protrudes out of one end of the upper joint 1; the mandrel 2 is mounted inside the upper joint 1, can be mounted and dismounted, and can be exchanged for a single part.
Further, the fixed joint 3 is movably installed inside the left-handed nut 4, the clamping ring 5 is arranged at one end of the left-handed nut 4, the inner wall of the clamping ring 5 is fixedly connected to one side of the small table 6, threaded holes 8 are formed in two ends of the clamping ring 5, and clamping screws 7 are movably installed inside the threaded holes 8; the fixed joint 3 plays a role in fixing and supporting the left-handed nut 4, and the clamping ring 5 can be taken down or fixed on one side of the small table 6 by loosening and tightening the clamping screw 7 through the clamping ring 5.
Furthermore, the outer wall of the fixed joint 3 is provided with left-handed threads, and the inner wall of the fixed joint 3 is provided with right-handed threads; the left-hand thread size of the fixed joint 3 is M160x3, and the right-hand thread size of the fixed joint 3 is T43/8-6 SA.
Further, the inner wall of the fixed joint 3 is movably arranged on the outer wall of the upper joint 1, and the thread on the inner wall of the fixed joint 3 is matched with the external thread of the upper joint 1; the fixed joint 3 is fixed on the outer wall of the upper joint 1 through threads.
Further, the thread on the inner wall of the left-handed nut 4 is matched with the thread on the outer wall of the fixed joint 3; the left-handed nut 4 is fixed on the outer wall of the fixed joint 3 through a screw.
Furthermore, through holes are formed in the fixed joint 3 and one end of the left-handed nut 4; the fixed joint 3 and the left-handed nut 4 are provided with through holes, can pass through one end of the mandrel 2 and one end of the upper joint 1, and are arranged on the outer walls of the upper joint 1 and the mandrel 2.
The working principle and the using process of the utility model are as follows: when in use, the fixed joint 3 of the tool for disassembling the mandrel of the RD circulating valve is installed on the mandrel 2 from the right end of the mandrel 2, the fixed joint 3 is rotated to ensure that the internal thread is screwed to the bottom and the thread is screwed down, then the left-handed nut 4 is installed on the fixed joint 3 from the right end of the mandrel 2, the left-handed nut 4 is screwed to the bottom, then the clamping ring 5 is installed on the left side of the shoulder surface of the small table 6 of the mandrel 2, the side surface is abutted, the clamping screw 7 is screwed down, then the vice is used for clamping the external hexagon of the fixed joint 3 on the tool, the left-handed nut 4 is rotated by the pipe vice to push the clamping ring 5 to move rightwards, the mandrel 2 is pulled out from the upper joint 1 under the driving of the clamping ring 5, because the fixed joint 3 not only has left-handed external threads but also has right-handed internal threads, when the left-handed nut 4 rotates, the upper joint 1 and the fixed joint 3 are driven to be automatically locked by the clamping ring 5, so that the integral rotation is prevented, is beneficial to the disassembly operation.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides a can dismantle instrument of RD circulation case axle fast safely which characterized in that: a fixed joint (3) and a mandrel (2) are respectively arranged inside a left-handed nut (4) and an upper joint (1), a small table (6) is arranged on the outer wall of the mandrel (2), and a clamping ring (5) is arranged at one end of the left-handed nut (4);
the mandrel (2) is movably arranged in the upper joint (1), and one end of the mandrel (2) protrudes out of one end of the upper joint (1);
fixed joint (3) movable mounting is inside levogyration nut (4), grip ring (5) set up in levogyration nut (4) one end, grip ring (5) inner wall fixed connection is in dolly (6) one side, grip ring (5) both ends are provided with screw hole (8), screw hole (8) inside movable mounting has clamping screw (7).
2. The tool for quickly and safely disassembling the shaft of the RD circulating valve according to claim 1, wherein: the outer wall of the fixed joint (3) is provided with left-handed threads, and the inner wall of the fixed joint (3) is provided with right-handed threads.
3. The tool for quickly and safely disassembling the shaft of the RD circulating valve according to claim 1, wherein: the inner wall of the fixed joint (3) is movably arranged on the outer wall of the upper joint (1), and the thread on the inner wall of the fixed joint (3) is matched with the external thread of the upper joint (1).
4. The tool for quickly and safely disassembling the shaft of the RD circulating valve according to claim 1, wherein: the inner wall thread of the left-handed nut (4) is matched with the outer wall thread of the fixed joint (3).
5. The tool for quickly and safely disassembling the shaft of the RD circulating valve according to claim 1, wherein: and through holes are formed in the fixed joint (3) and one end of the left-handed nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386528.5U CN216577623U (en) | 2021-09-29 | 2021-09-29 | Tool capable of quickly and safely disassembling RD (hydraulic resistor) circulating valve mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386528.5U CN216577623U (en) | 2021-09-29 | 2021-09-29 | Tool capable of quickly and safely disassembling RD (hydraulic resistor) circulating valve mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216577623U true CN216577623U (en) | 2022-05-24 |
Family
ID=81639477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122386528.5U Active CN216577623U (en) | 2021-09-29 | 2021-09-29 | Tool capable of quickly and safely disassembling RD (hydraulic resistor) circulating valve mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216577623U (en) |
-
2021
- 2021-09-29 CN CN202122386528.5U patent/CN216577623U/en active Active
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