28-core female plug assembly for logging instrument

Abstract

The utility model relates to the technical field of logging instruments, and discloses a 28-core female plug assembly for a logging instrument, which comprises a male plug and a female plug, the adjacent ends of the outer walls of the male plug and the female plug are provided with external threads, the outer walls of the external threads are sleeved with mounting sleeves, the upper end of the outer wall of the male plug is fixedly connected with a mounting ring, and the lower end of the outer wall of the female plug is fixedly connected with a connecting rod. And rotating frames are hinged to the lower ends of the outer walls of the mounting rings. When the 28-core female plug assembly for the logging instrument is used, the male plug and the female plug are secondarily limited and reinforced through matching of the mounting sleeve and the external threads, meanwhile, the sliding rod can be driven to slide in the sliding groove by pushing the push block, and the reset spring is compressed, so that the sliding rod is tightly attached to the abutting groove, the mounting sleeve is limited, and the mounting sleeve is prevented from being damaged. And rotation caused by external force is effectively prevented. The design can effectively resist complex external force interference such as underground vibration, impact and the like, and ensures that the male plug and the female plug are always tightly connected.

Description

TECHNICAL FIELD

[0001] The utility model relates to logging instrument technical field especially relates to a logging instrument is with 28 core female plug assembly. BACKGROUND

[0002] It is known that logging instrument is a kind of professional instrument equipment for mineral resources exploration such as petroleum, natural gas and geological research. It is usually composed of multiple sensors and measuring devices, can measure various geological parameters and physical properties along the borehole during drilling or after completion, 28 core female plug assembly is used to realize the connection between logging instrument and other equipment (such as ground control system, power supply system or other downhole instruments etc.), it can transmit multiple signals through 28 core lines, including various geological parameter data collected by logging instrument, control signals of equipment and power supply etc., ensure that logging instrument can work normally and effectively interact and communicate with external system.

[0003] However, the conventional logging instrument 28 core female plug assembly usually only relies on the cooperation of pin and jack to connect, and the connecting force mainly comes from the clamping force of elastic contact sheet in the jack on the pin, and this connecting force is relatively limited. When affected by larger external force or long-time vibration, the elastic contact sheet may gradually fatigue, the clamping force decreases, and the pin cannot be effectively fixed, resulting in the disconnection of the plug. Therefore, technical improvement is urgently needed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a logging instrument 28 core female plug assembly. When the logging instrument 28 core female plug assembly is used, the installation sleeve is matched with the external thread to implement secondary limiting and reinforcement on the male plug and the female plug. At the same time, the push block can drive the sliding rod to slide in the sliding groove, compress the reset spring, make the sliding rod tightly adhere to the resistance groove, limit the installation sleeve, and effectively prevent it from rotating due to external force. This design can effectively resist complex external force interference such as downhole vibration and impact, ensure that the male plug and the female plug are always tightly connected, and provide solid protection for the stability and continuity of data transmission in logging operation.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A logging instrument 28 core female plug assembly, comprising a male plug and a female plug, the outer wall of the male plug and the female plug is provided with external thread at one end, the outer wall of the external thread is provided with an installation sleeve, the upper end of the outer wall of the male plug is fixedly connected with an installation ring, the lower end of the outer wall of the installation ring is hingedly connected with a rotating frame, the lower end of the rotating frame is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding rod, the two sides of the inner wall of the sliding groove are provided with a limiting groove, and the top of the limiting groove is fixedly connected with a reset spring.

[0007] By the above technical scheme, compared with the existing 28-core female plug assembly for logging instrument, when the 28-core female plug assembly for logging instrument is used, the male plug and the female plug are secondarily limited through the installation sleeve cooperating with the external thread, then the slide rod is driven to slide in the sliding groove by pushing the push block, so that the return spring is compressed, the slide rod continuously abuts against the abutting groove, the installation sleeve can be limited, external force is prevented from causing the installation sleeve to rotate, and when the logging instrument is in a complex downhole environment, such as vibration, impact or other external force, the male plug and the female plug can still maintain close connection, and the stability and continuity of data transmission are ensured.

[0008] Further, the upper end of the outer wall of the female plug is fixedly connected with a limiting ring.

[0009] Through the above technical scheme, the limiting ring is convenient for limiting the installation sleeve.

[0010] Further, the external thread is in threaded connection with the installation sleeve.

[0011] Through the above technical scheme, the edge of the installation sleeve moves along with the external thread.

[0012] Further, the upper end of the installation sleeve is provided with a plurality of abutting grooves, and the lower end of the slide rod abuts against the inner wall of the abutting groove.

[0013] Through the above technical scheme, the lower end of the slide rod abuts against the inner wall of the abutting groove, and the installation sleeve is convenient for being limited.

[0014] Further, the front end of the slide rod is fixedly connected with a push block.

[0015] Through the above technical scheme, the push block is convenient for pushing the slide rod to move.

[0016] Further, the upper end of the outer wall of the slide rod is fixedly connected with a limiting block, the lower end of the return spring is fixedly connected with the upper end of the limiting block, and the limiting block is slidingly connected with the inner wall of the limiting groove.

[0017] Through the above technical scheme, the lower end of the return spring is fixedly connected with the upper end of the limiting block, and the return spring is convenient for stretching and contracting along with the movement of the limiting block.

[0018] Further, the male plug and the female plug are connected in a clamping mode.

[0019] Through the above technical scheme, the male plug and the female plug are connected in a clamping mode, and data transmission is convenient.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. The utility model proposes a kind of 28-core female plug assembly for logging instrument, compared with the existing 28-core female plug assembly for logging instrument, the 28-core female plug assembly for logging instrument is used, secondary limiting is carried out to male plug and female plug by installing sleeve cooperation outer thread, then by pushing push block to drive sliding rod to slide in sliding groove, so as to drive reset spring to compress, make its sliding rod constantly adhere to resistance groove and be resisted, can limit installing sleeve, prevent external force from causing its installing sleeve rotation, ensure that male plug and female plug can still keep close connection when logging instrument is in complex downhole environment, such as vibration, impact or other external force, guarantee the stability and continuity of data transmission. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the axonometric drawing of the 28-core female plug assembly for logging instrument proposed in the utility model;

[0023] Figure 2 It is the explosion schematic view of the 28-core female plug assembly for logging instrument proposed in the utility model;

[0024] Figure 3 It is the axonometric schematic view of male plug in the 28-core female plug assembly for logging instrument proposed in the utility model;

[0025] Figure 4 It is the axial section schematic view of rotating frame in the 28-core female plug assembly for logging instrument proposed in the utility model;

[0026] Figure 5 It is Figure 4 The enlarged view of A in the middle.

[0027] LEGEND:

[0028] 1, male plug;11, female plug;12, limit ring;2, installing ring;21, outer thread;22, installing sleeve;23, resistance groove;24, rotating frame;25, sliding groove;26, sliding rod;27, push block;28, limit slot;29, reset spring;210, limit block. DETAILED DESCRIPTION

[0029] The technical solutions 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. 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 belong to the protection scope of the utility model.

[0030] Refer to Figures 1-5The utility model provides an embodiment: a kind of 28-core female plug assembly for logging instrument, including male plug 1 and female plug 11, the outer wall of male plug 1 and female plug 11 adjacent one end is equipped with outer thread 21, the outer wall of outer thread 21 is equipped with mounting sleeve 22, the upper end of male plug 1 outer wall is fixedly connected with mounting ring 2, the lower end of mounting ring 2 outer wall is hingedly connected with rotating frame 24, the lower end of rotating frame 24 is equipped with sliding slot 25, the inner wall of sliding slot 25 is slidably connected with slide rod 26, the both sides of sliding slot 25 inner wall are equipped with limit slot 28, the top of limit slot 28 is fixedly connected with return spring 29.

[0031] Comparing with prior art 28-core female plug assembly for logging instrument, when the 28-core female plug assembly for logging instrument is used, male plug 1 and female plug 11 are positioned twice by mounting sleeve 22 cooperating with outer thread 21, then slide rod 26 is slid in sliding slot 25 by pushing push block 27, so as to drive return spring 29 to compress, so that slide rod 26 constantly adheres to resistance groove 23, mounting sleeve 22 can be positioned, external force is prevented from causing mounting sleeve 22 to rotate, when logging instrument is in complex downhole environment, such as vibration, impact or other external force, male plug 1 and female plug 11 can still keep close connection, and the stability and continuity of data transmission are guaranteed.

[0032] The upper end of the outer wall of female plug 11 is fixedly connected with limit ring 12;

[0033] Limit ring 12 is convenient for positioning mounting sleeve 22.

[0034] Outer thread 21 is threadedly connected with mounting sleeve 22.

[0035] Mounting sleeve 22 edge moves with outer thread 21.

[0036] The upper end of mounting sleeve 22 is equipped with a plurality of resistance grooves 23, and the lower end of slide rod 26 abuts against the inner wall of resistance groove 23.

[0037] The lower end of slide rod 26 abuts against the inner wall of resistance groove 23, which is convenient for positioning mounting sleeve 22.

[0038] The front end of slide rod 26 is fixedly connected with push block 27.

[0039] Push block 27 is convenient for pushing slide rod 26 to move.

[0040] The upper end of the outer wall of slide rod 26 is fixedly connected with limit block 210, the lower end of return spring 29 is fixedly connected with the upper end of limit block 210, and limit block 210 is slidably connected with the inner wall of limit slot 28.

[0041] The lower ends of the reset springs 29 are fixedly connected with the upper ends of the limiting blocks 210 respectively, so as to be stretched and contracted with the movement of the limiting blocks 210.

[0042] The male plug 1 is connected with the female plug 11 through clamping connection.

[0043] The male plug 1 is connected with the female plug 11 through clamping connection, so as to facilitate data transmission.

[0044] Working principle: when used, the male plug 1 is connected with the female plug 11 through clamping connection, and then the mounting sleeve 22 is screwed with the external threads 21 on the outer walls of the male plug 1 and the female plug 11, so as to realize secondary limiting and reinforcement, then the push block 27 at the front end of the sliding rod 26 is pushed, the sliding rod 26 is slid in the sliding groove 25 of the rotating frame 24, the reset spring 29 connected with the limiting block 210 is compressed, until the lower end of the sliding rod 26 abuts against the abutting groove 23 at the upper end of the mounting sleeve 22, so as to fix the mounting sleeve 22, and prevent it from loosening due to the rotation of the external threads 21; even in the complex external force environment such as vibration and impact in the well, this structure can ensure the stable connection of the male plug 1 and the female plug 11, so as to ensure the stability and continuity of the data transmission of the logging instrument.

[0045] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A 28-pin female plug assembly for a logging tool comprising a male plug (1) and a female plug (11), characterized in that: The outer wall of the male plug (1) and the female plug (11) is provided with external threads (21) at one end adjacent to each other, the external threads (21) are provided with an installation sleeve (22) on the outer wall, the upper end of the outer wall of the male plug (1) is fixedly connected with an installation ring (2), the lower end of the outer wall of the installation ring (2) is hingedly connected with a rotating frame (24), the lower end of the rotating frame (24) is provided with a sliding groove (25), the inner wall of the sliding groove (25) is slidably connected with a sliding rod (26), the inner wall of the sliding groove (25) is provided with a limiting groove (28) on both sides, and the top of the limiting groove (28) is fixedly connected with a return spring (29).

2. A 28-pin female plug assembly for a logging tool as defined in claim 1, wherein: The upper end of the outer wall of the female plug (11) is fixedly connected with a limiting ring (12).

3. A 28-pin female plug assembly for a logging tool as defined in claim 1, wherein: The external threads (21) are in threaded connection with the installation sleeve (22).

4. The 28-pin female plug assembly for a logging tool of claim 1, wherein: The upper end of the installation sleeve (22) is provided with a plurality of abutting grooves (23), and the lower end of the sliding rod (26) abuts against the inner wall of the abutting groove (23).

5. The 28-pin female plug assembly for a logging tool of claim 1, wherein: The front end of the sliding rod (26) is fixedly connected with a push block (27).

6. A 28-pin female plug assembly for a logging tool as defined in claim 1, wherein: The upper end of the outer wall of the sliding rod (26) is fixedly connected with a limiting block (210), the lower end of the return spring (29) is fixedly connected with the upper end of the limiting block (210), and the limiting block (210) is slidably connected with the inner wall of the limiting groove (28).

7. The 28-pin female plug assembly for a logging tool of claim 1, wherein: The male plug (1) and the female plug (11) are in clamping connection.

Images