CN216665518U - Down-hole instrument trip blade connecting structure - Google Patents
Down-hole instrument trip blade connecting structure Download PDFInfo
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- CN216665518U CN216665518U CN202123096542.8U CN202123096542U CN216665518U CN 216665518 U CN216665518 U CN 216665518U CN 202123096542 U CN202123096542 U CN 202123096542U CN 216665518 U CN216665518 U CN 216665518U
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- nut
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Abstract
The utility model provides a down-hole instrument trip blade connecting structure which comprises a first component, a second component and a connecting nut for connecting and fixing the first component and the second component, wherein four bosses are distributed at one end of the connecting nut along the circumferential direction, the diameter of the connecting end of the first component is smaller than or equal to the inner diameter of the connecting nut, a step groove for clamping the bosses is formed in the outer wall of the connecting end of the first component along the circumferential direction, mounting grooves connected to the step grooves are formed in the outer wall of the connecting end of the first component corresponding to the four bosses, one end of the connecting nut is sleeved in the mounting groove of the first component through the bosses and is fixedly connected with the first component through positioning pins which are sequentially screwed in the connecting nut, and the connecting end of the second component is provided with external threads and is fixedly connected with the other end of the connecting nut through threads. The problem that the existing structure is complex and inconvenient for subsequent product design and instrument maintenance is solved. Belongs to the technical field of downhole instruments.
Description
Technical Field
The utility model relates to a downstream blade connecting structure of a downhole instrument, and belongs to the technical field of downhole instruments.
Background
In the design and development process of oil field downhole instruments, the free edge connecting structure is a frequently used connecting mode, can ensure that two parts connected with each other do not rotate relatively in the connecting process, and is often used for connecting parts and components with direction requirements between each other.
Often the design of common trip sword connection structure is more complicated, and it is inconvenient to maintain for subsequent product design and instrument, to this condition, provides a trip sword connection structure in this patent, can effectively solve above-mentioned problem.
Disclosure of Invention
The utility model provides a downstream blade connecting structure of a downhole instrument, which aims to solve the problems that the existing structure is complex and the subsequent product design and instrument maintenance are inconvenient.
In order to achieve the purpose, the connecting structure for the trip blade of the downhole instrument comprises a first component, a second component and a connecting nut used for fixedly connecting the first component and the second component, wherein four bosses are distributed at one end of the connecting nut along the circumferential direction, the diameter of a connecting end of the first component is smaller than or equal to the inner diameter of the connecting nut, a step groove used for clamping the bosses is formed in the outer wall of the connecting end of the first component along the circumferential direction, mounting grooves connected to the step groove are formed in the outer wall of the connecting end of the first component and correspond to the four bosses, one end of the connecting nut is sleeved in the mounting groove of the first component through the bosses and is fixedly connected with a positioning pin of the first component through screwing in the connecting nut in sequence, and the connecting end of the second component is provided with external threads and is fixedly connected with the other end of the connecting nut through threads.
In the aforementioned connecting structure of the trip blade, the connecting end of the second component is further provided with two anti-rotation grooves, and correspondingly, the connecting end of the first component is provided with anti-rotation bosses matched with the two anti-rotation grooves.
In the aforementioned trip sword connection structure, still including O shape circle, the installation slot has been seted up along circumference on the subassembly two, and O shape snare is located installation slot and is pressed and locate between coupling nut and the subassembly two, still corresponds on the coupling nut and offers the hole with O shape circle complex.
Compared with the prior art, the utility model not only realizes the reliable connection between the two components, but also enables the two components to smoothly rotate with each other by utilizing the structures such as the step groove, the connecting nut, the limiting groove and the like, and the connecting structure is simple and effective.
Drawings
FIG. 1 is an assembly schematic of the present invention;
FIG. 2 is a cross-sectional and front view of the coupling nut;
FIG. 3 is a cross-sectional and front view of assembly one;
FIG. 4 is a cross-sectional and front view of the second assembly.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.
Examples
Referring to fig. 1 to 4, the embodiment provides a connecting structure for a trip blade of a downhole instrument, which includes a first component 1, a second component 4 and a connecting nut 3 for connecting and fixing the first component and the second component, wherein four bosses 31 are circumferentially distributed at one end of the connecting nut 3, the diameter of the connecting end of the first component 1 is smaller than or equal to the inner diameter of the connecting nut 3, a step groove 11 for clamping the boss 31 is circumferentially formed on the outer wall of the connecting end of the first component 1, mounting grooves 12 connected to the step groove 11 are further formed on the outer wall of the connecting end of the first component 1 corresponding to the four bosses 31, one end of the connecting nut 3 is sleeved in the mounting groove 12 of the first component 1 through the boss 31 and is fixedly connected with a positioning pin 2 sequentially screwed into the connecting nut 3 and the first component 1, the connecting end of the second component 4 has an external thread and is fixedly connected with the other end of the connecting nut 3, the connecting end of the second component 4 is further provided with two anti-rotation grooves 41, correspondingly, the connecting end of the first component 1 has an anti-rotation boss 13 which is matched with the two anti-rotation slots 41.
The second component 4 is structured as shown in fig. 4, two anti-rotation slots 41 are designed at the connecting part, and two anti-rotation bosses 13 matched with the first component 1 are designed on the corresponding first component. In the process of screwing the connecting nut 3, the anti-rotation boss 13 on the first component 1 is inserted into the anti-rotation groove 41 on the second component 4, so that the relative position between the first component 1 and the second component 4 is fixed and does not rotate relatively in the process of screwing the connecting nut 3. Meanwhile, an installation groove for installing the O-shaped ring 5 is designed on the second component 4, an inner hole matched with the O-shaped ring 5 is designed on the connecting nut 3, after the connecting nut 3 is screwed down, the inner hole at the front end of the connecting nut 3 can compress the O-shaped ring 5 to a certain degree, static friction force generated after the O-shaped ring 5 is compressed can prevent connecting threads between the connecting nut 3 and the second component 4 from being loosened in the underground vibration environment, and the first component 1 and the second component 4 are ensured to be reliably connected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a trip sword connection structure of downhole instrument which characterized in that: comprises a first component (1), a second component (4) and a connecting nut (3) for connecting and fixing the first component and the second component, wherein four bosses (31) are distributed at one end of the connecting nut (3) along the circumferential direction, the diameter of the connecting end of the first component (1) is less than or equal to the inner diameter of the connecting nut (3), a step groove (11) for clamping the bosses (31) is arranged on the outer wall of the connecting end of the first component (1) along the circumferential direction, and the outer wall of the connecting end of the first component (1) is provided with mounting grooves (12) corresponding to the four bosses (31) and connected to the step groove (11), one end of the connecting nut (3) is sleeved in the mounting groove (12) of the first component (1) through a boss (31), and is fixedly connected with the positioning pin (2) of the first component (1) by screwing in the connecting nut (3) in sequence, the connecting end of the second component (4) is provided with an external thread and is fixedly connected with the other end of the connecting nut (3) in a threaded manner.
2. A downhole tool downstream edge connecting structure according to claim 1, wherein: the connecting end of the second component (4) is also provided with two anti-rotation grooves (41), and correspondingly, the connecting end of the first component (1) is provided with anti-rotation bosses (13) matched with the two anti-rotation grooves (41).
3. A downhole tool downstream edge connecting structure according to claim 1, wherein: the connecting nut is characterized by further comprising an O-shaped ring (5), a mounting groove (42) is formed in the second component (4) along the circumferential direction, the O-shaped ring (5) is sleeved in the mounting groove (42) and pressed between the connecting nut (3) and the second component (4), and an inner hole matched with the O-shaped ring (5) is correspondingly formed in the connecting nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096542.8U CN216665518U (en) | 2021-12-10 | 2021-12-10 | Down-hole instrument trip blade connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096542.8U CN216665518U (en) | 2021-12-10 | 2021-12-10 | Down-hole instrument trip blade connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216665518U true CN216665518U (en) | 2022-06-03 |
Family
ID=81789890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123096542.8U Active CN216665518U (en) | 2021-12-10 | 2021-12-10 | Down-hole instrument trip blade connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216665518U (en) |
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2021
- 2021-12-10 CN CN202123096542.8U patent/CN216665518U/en active Active
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