Adapter device of petroleum pressure gauge

Abstract

The utility model discloses a petroleum pressure gauge adapter device, which particularly relates to the technical field of petroleum drilling, and comprises a shell, the left end of the shell is provided with a screwed joint which is in threaded connection with a pressure gauge port, the right end of the shell is provided with a quick joint which is quickly clamped with a cable end, and a mounting seat is arranged in the shell. A resolving circuit board is mounted on the mounting seat, a cover plate is sealed on the surface of the shell, protection structures are symmetrically arranged on the side faces of the shell and close to the threaded connector and the quick connector respectively, and each protection structure comprises two guide rods. According to the utility model, real-time and reliable transmission and conversion of underground signals of petroleum drilling can be ensured, the working safety and efficiency of petroleum drilling can be improved, the threaded joint and the quick joint can be effectively prevented from being influenced by dust, collision and water vapor when not used, the damage of parts is reduced, the service life of equipment is prolonged, the stable performance of the connecting part is ensured, and the service life of the equipment is prolonged. And normal work during use is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil drilling, more particularly, the utility model relates to oil pressure gauge conversion joint device. BACKGROUND

[0002] At present, in the process of oil exploitation, oil drilling needs to be carried out, and then oil is produced through drilling, and in the process, the pressure and temperature conditions of the well need to be understood, which requires setting sensors in the well, but how the downhole sensor transmits signals to the ground is a problem that cannot be solved, if the measured signals are to be retained, the sensor is to be taken out to observe the signal condition and to be processed and output, the data cannot be monitored in the operation process, thereby increasing the exploitation risk, and due to the special environment in the well, communication equipment cannot be installed, therefore, how to adopt a suitable joint for signal transmission and conversion is a technical problem that needs to be solved in the field.

[0003] Through retrieval, the Chinese patent with the authorized publication number CN220649866U discloses an oil pressure gauge conversion joint device, which adopts a solving circuit board to convert signals, adopts a first joint to input signals of the pressure gauge, adopts a second joint to output converted signals, and seals the shell through a cover plate, thereby ensuring safe and reliable signal transmission and conversion.

[0004] However, in actual use, the first joint and the second joint at the conversion joint are exposed to the environment before being connected with the pressure gauge and the cable, which is easy to cause the first joint and the second joint to be affected by bumps, dust and water vapor, thereby affecting the use effect of the conversion joint, in view of this, the utility model provides an oil pressure gauge conversion joint device. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an oil pressure gauge conversion joint device to solve the problems in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oil pressure gauge conversion joint device, comprising an outer shell, a threaded joint threadedly connected with a pressure gauge port is arranged at the left end of the outer shell, a quick joint quickly clamped with a cable end is arranged at the right end of the outer shell, a mounting seat is arranged in the inner part of the outer shell, a solving circuit board is mounted on the mounting seat, the threaded joint and the quick joint are respectively and symmetrically mounted at the left end and the right end of the outer shell, the outer shell is made of copper material, the threaded joint and the quick joint are respectively electrically connected with the solving circuit board, a cover plate is sealed on the surface of the outer shell, the material of the cover plate and the outer shell is the same, a plurality of mounting holes are arranged at the connecting part of the cover plate and the outer shell, and screws are arranged in the plurality of mounting holes.

[0007] It can be seen that the structure can transmit the value of the pressure gauge to the external device through the cable after connecting the conversion joint with the pressure gauge and the cable, so that the operator can obtain the information of the pressure and temperature of the oil drilling well.

[0008] In order to protect the threaded joint and the quick joint when not in use, preferably, protection structures are symmetrically arranged on the side of the shell and close to the threaded joint and the quick joint respectively, the protection structures comprise two guide rods, two outer walls of the shell are provided with mounting grooves, the two guide rods are mounted in the corresponding mounting grooves, and the outer part of the two guide rods is provided with a moving block, the outer part of the guide rod on one side of the moving block is provided with an extrusion spring, the outer wall of the two moving blocks is rotatably provided with an L-shaped frame, and the two L-shaped frames are fixedly provided with a protective sleeve, the moving block is located in the mounting groove and is connected with the guide rod, the two ends of the extrusion spring are connected with the inner wall of the mounting groove and the outer wall of the moving block, the surface of the moving block is fixedly provided with a shaft pin, the surface of the L-shaped frame is provided with a through hole, the L-shaped frame is mounted on the outer part of the shaft pin through the through hole and is rotatably connected with the moving block, and the inner diameter of the two protective sleeves is greater than the outer diameter of the threaded joint and the quick joint respectively, and the depth of the two protective sleeves is greater than the length of the threaded joint and the quick joint.

[0009] The technical effects and advantages of the utility model are as follows:

[0010] 1. By arranging the protection structures on the surface of the shell at the threaded joint and the quick joint, the threaded joint and the quick joint can be effectively prevented from being affected by dust, knocking or water vapor when the conversion joint is not in use, the damage of external factors to the components is reduced, the service life of the equipment is prolonged, the performance stability of the connection part is ensured, and normal connection and signal transmission can be ensured during use.

[0011] 2. By arranging the threaded joint, the quick joint and the calculation circuit board, the pressure frequency and temperature frequency signals output by the pressure gauge can be accurately converted into RS485 and RS232 electrical signals, and can be safely and reliably transmitted to the external equipment through the cable, realizing real-time transmission and conversion of the oil drilling downhole signals, helping the ground operator to obtain data in time and make corresponding operation and adjustment, and improving the safety and efficiency of the oil drilling work. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model.

[0013] Figure 2 It is a distribution structure schematic view of two L-shaped frames of the utility model.

[0014] Figure 3 This is a schematic diagram of the connection structure between the L-shaped frame and the movable block of this utility model.

[0015] Figure 4 This is a schematic diagram of the outer shell surface structure of this utility model.

[0016] Figure 5 This is a schematic diagram of the internal structure of the outer shell of this utility model.

[0017] The attached figures are labeled as follows: 1. Housing; 2. Threaded connector; 3. Quick connector; 4. Mounting base; 5. Calculation circuit board; 6. Cover plate; 7. Guide rod; 8. Mounting groove; 9. Moving block; 10. Compression spring; 11. L-shaped bracket; 12. Protective sleeve; 13. Screw; 14. Shaft pin. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] As attached Figures 1-5 The oil pressure gauge adapter shown includes a housing 1. A threaded connector 2, which is threaded to the pressure gauge port, is located at the left end of the housing 1. A quick-connect connector 3, which is quick-clamped to the cable end, is located at the right end of the housing 1. A mounting base 4 is located inside the housing 1, and a calculation circuit board 5 is mounted on the mounting base 4. The threaded connector 2 and quick-connect connector 3 are symmetrically mounted at the left and right ends of the housing 1, respectively. The housing 1 is made of copper. The threaded connector 2 and quick-connect connector 3 are electrically connected to the calculation circuit board 5. A cover plate 6 is sealed to the surface of the housing 1. The cover plate 6 and the housing 1 are made of the same material. Several mounting holes are provided at the connection between the cover plate 6 and the housing 1, and screws 13 are installed inside each of the mounting holes.

[0020] Specifically, in this structure, the threaded connector 2 at the left end of the housing 1 is threadedly connected to the port of the pressure gauge, and the quick connector 3 at the right end of the housing 1 is quickly plugged into the end of the cable. At this time, the pressure gauge is electrically connected to the cable through the conversion connector, and the cable can transmit the pressure value of the pressure gauge to an external device for viewing.

[0021] When the threaded joint 2 is connected with the pressure gauge, the pressure frequency and temperature frequency output by the pressure gauge are transmitted to the resolving circuit board 5 in the shell 1, the resolving circuit board 5 converts the signals into RS485 and RS232 electrical signals, and transmits the signals to the cable through the quick joint 3, and finally transmits the signals to the external device through the cable, so that the real-time signal transmission and conversion of the oil drilling downhole are ensured to be safe and reliable, and the ground operator can operate and adjust according to the real-time signals, so that the safety is improved and the work efficiency of the oil drilling is improved.

[0022] The cover plate 6 is connected with the shell 1 through the screw 13, and the cover plate 6 can be opened to facilitate the maintenance operation of the resolving circuit board 5 in the shell 1.

[0023] In the specific embodiment, as shown in FIGS. 1-4, the shell 1 is symmetrically provided with a protective structure near the threaded joint 2 and the quick joint 3 on the side surface. Figure 1 、 2 The shell 1 is symmetrically provided with a protective structure near the threaded joint 2 and the quick joint 3 on the side surface. The protective structure includes two guide rods 7, two installation grooves 8 are formed in the two outer walls of the shell 1, the two guide rods 7 are installed in the corresponding installation grooves 8, a moving block 9 is arranged outside each guide rod 7, an extrusion spring 10 is arranged on one side of the guide rod 7 outside the moving block 9, an L-shaped bracket 11 is rotatably installed on the outer wall of each moving block 9, a protective sleeve 12 is fixedly installed between the two L-shaped brackets 11, the moving block 9 is located in the installation groove 8 and is slidably connected to the outside of the guide rod 7, the two ends of the extrusion spring 10 are connected to the inner wall of the installation groove 8 and the outer wall of the moving block 9 respectively, an axle pin 14 is fixedly installed on the surface of the moving block 9, a through hole is formed in the surface of the L-shaped bracket 11, the L-shaped bracket 11 is installed outside the axle pin 14 through the through hole and is rotatably connected to the moving block 9 through the axle pin 14, the inner diameters of the two protective sleeves 12 are greater than the outer diameters of the threaded joint 2 and the quick joint 3 respectively, and the depths of the two protective sleeves 12 are greater than the lengths of the threaded joint 2 and the quick joint 3.

[0024] Specifically, in this structure, since the conversion joint is not used before, or not connected with the pressure gauge and the cable before, the threaded joint 2 and the quick joint 3 are exposed outside, which is easy to be affected by dust, bumps or water vapor, and then the operator can rotate the two L-shaped brackets 11 to rotate the L-shaped bracket 11 through the axle pin 14 and the moving block 9, and rotate the L-shaped bracket 11 to the same horizontal position as the threaded joint 2 and the quick joint 3.

[0025] Then, moving the L-shaped frame 11 to the threaded joint 2 and the quick connector 3, the moving block 9 slides outside the guide rod 7 and extrudes the extrusion spring 10, and the extrusion spring 10 provides a reaction force after being extruded and reset, so that the protective sleeve 12 is installed outside the corresponding threaded joint 2 and the quick connector 3, thereby achieving the protection operation of the threaded joint 2 and the quick connector 3.

[0026] In use, the L-shaped frame 11 is pulled and rotated in the same way, and under the elastic reset of the extrusion spring 10, the protective sleeve 12 is separated from the threaded joint 2 and the quick connector 3.

[0027] The utility model discloses a working principle:

[0028] The application provides a petroleum pressure gauge conversion joint device, in specific use, the threaded joint 2 at the left end of the shell 1 is connected with the port of the pressure gauge through threads, and the quick connector 3 at the right end of the shell 1 is quickly inserted with the end of the cable, so that the electrical connection of the pressure gauge and the cable is realized, after the pressure gauge is connected with the threaded joint 2, the pressure frequency and temperature frequency signals output by the pressure gauge are transmitted to the resolving circuit board 5 inside the shell 1 through the threaded joint 2, the resolving circuit board 5 processes the received pressure frequency and temperature frequency signals, converts them into standard electrical signals such as RS485 and RS232, and the converted electrical signals are transmitted to the cable through the quick connector 3, and then the signals are transmitted to external equipment through the cable, so that ground operating personnel can obtain information such as pressure and temperature under the petroleum drilling well, and accordingly corresponding operation and adjustment are carried out.

[0029] Before the conversion joint is connected with the pressure gauge and the cable, the threaded joint 2 and the quick connector 3 are exposed outside, are easily affected by dust, bumps or water vapor, at this time, the operating personnel rotate the two L-shaped frames 11 correspondingly, make them rotate to the same horizontal position as the threaded joint 2 and the quick connector 3 through the shaft pin 14 on the moving block 9, then move the L-shaped frame 11 to the threaded joint 2 and the quick connector 3, drive the moving block 9 to slide on the guide rod 7, and extrude the extrusion spring 10, the reset force of the extrusion spring 10 is generated after being compressed, and the protective sleeve 12 is installed outside the threaded joint 2 and the quick connector 3, thereby playing a protective role on them.

[0030] When the conversion joint needs to be used, the operation opposite to the above is adopted, the L-shaped frame 11 is pulled and rotated, and the protective sleeve 12 is separated from the threaded joint 2 and the quick connector 3, so as to carry out the connection operation.

[0031] It is explained that the content not described in detail in the specification is all the prior art known to those skilled in the art, and the model parameters of each electric appliance are not specifically limited, and conventional equipment can be used.

[0032] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Petroleum pressure gauge adapter device comprising a housing (1), characterized in that: The left end of the shell (1) is provided with a threaded joint (2) which is screwed with a pressure gauge port, the right end of the shell (1) is provided with a quick joint (3) which is quickly clamped with a cable end, the inside of the shell (1) is provided with a mounting seat (4), the mounting seat (4) is mounted with a calculation circuit board (5), the surface of the shell (1) is sealed with a cover plate (6), the side of the shell (1) is symmetrically provided with a protective structure near the threaded joint (2) and the quick joint (3) respectively; The protective structure comprises two guide rods (7), two outer walls of the shell (1) are provided with mounting grooves (8), the two guide rods (7) are mounted in the corresponding mounting grooves (8), and the outer portions of the two guide rods (7) are provided with moving blocks (9), one side of the outer portion of the guide rod (7) is provided with an extrusion spring (10), the outer walls of the two moving blocks (9) are rotatably provided with L-shaped frames (11), and the two L-shaped frames (11) are fixedly provided with a protective sleeve (12) between them.

2. The petroleum pressure gauge adapter apparatus of claim 1, wherein: The threaded joint (2) and the quick joint (3) are symmetrically mounted at the left end and the right end of the shell (1) respectively, the shell (1) is made of copper material, and the threaded joint (2) and the quick joint (3) are electrically connected with the calculation circuit board (5) respectively.

3. The petroleum pressure gauge adapter apparatus of claim 1, wherein: The materials of the cover plate (6) and the shell (1) are the same, a plurality of mounting holes are formed in the connecting portions of the cover plate (6) and the shell (1), and screws (13) are arranged in the mounting holes.

4. The petroleum pressure gauge adapter apparatus of claim 1, wherein: The moving block (9) is located in the mounting groove (8) and is connected with the guide rod (7) in sliding mode, and the two ends of the extrusion spring (10) are in contact with the inner wall of the mounting groove (8) and the outer wall of the moving block (9) respectively.

5. The petroleum pressure gauge adapter apparatus of claim 1, wherein: The surface of the moving block (9) is fixedly provided with an axle pin (14), the surface of the L-shaped frame (11) is provided with a through hole, and the L-shaped frame (11) is mounted on the outer portion of the axle pin (14) through the through hole and is rotatably connected with the moving block (9) through the axle pin (14).

6. The petroleum pressure gauge adapter apparatus of claim 1, wherein: The inner diameters of the two protective sleeves (12) are greater than the outer diameters of the threaded joint (2) and the quick joint (3) respectively, and the depths of the two protective sleeves (12) are greater than the lengths of the threaded joint (2) and the quick joint (3).

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