Separated pressure sensor used on screw pump

Abstract

The utility model relates to the field of pressure sensors, in particular to a separation type pressure sensor used on a screw pump, which comprises a three-way pipeline, a connector, a pressure sensor, a sealing ring, a mounting ring, a fixed thread sleeve and the like, the upper part of the three-way pipeline is connected with the integrally formed connector, and the connector is connected with the fixed thread sleeve through threads; the upper portion of the fixing screw sleeve is rotatably connected with an installation ring, the lower portion of the installation ring is connected with a sealing ring, the sealing ring makes contact with the connector, and the installation ring is connected with a pressure sensor. According to the utility model, through simultaneous movement of the limiting plates and reverse rotation of the fixed threaded sleeve, the pressure sensor is taken down, and the display module is taken down for replacement or maintenance and then is re-installed and reinforced, so that the pressure sensor and the display module can be separately installed to detect water pressure, the operation is simple, and the cost is low. The pressure sensor and the display module are convenient to assemble, disassemble, replace and maintain, personnel can observe away from a dangerous area conveniently, and use is safe and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure sensor field especially relates to a separate pressure sensor for screw rod pump. BACKGROUND

[0002] With the development of industrial technology, screw rod pump has been widely applied in petroleum, chemical industry, water treatment and many other fields, it removes fluid through the rotation of one or more pairs of screw rods, the most common is single screw rod pump and double screw rod pump, pressure sensor is a kind of device that can perceive the pressure signal of measured quantity and convert it into usable output electric signal, is widely used in industry, medical treatment, automobile, consumer electronics and many other fields.

[0003] The detection of the pressure in the existing screw rod pump is usually carried out by installing the pressure sensor inside the screw rod pump, however, the current pressure sensor and display module are usually integrated together and directly installed on the pump body, since the sensor needs to be installed close to the working environment, the operator must approach the area that may be dangerous to install, disassemble and maintain and observe the detected data, which increases the personal safety risk, and is not conducive to the installation and disassembly of the sensor, and is very inconvenient to use.

[0004] Therefore, it is necessary to design a separate pressure sensor for screw rod pump, which can separate the installation of pressure sensor and display module to detect water pressure, is simple to operate, facilitates the installation, disassembly, replacement and maintenance of pressure sensor and display module, facilitates personnel to observe from the dangerous area, and is safe and convenient to use. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings that the current pressure sensor and display module are usually integrated together and directly installed on the pump body, the operator must approach the area that may be dangerous to install and observe the detected data, which increases the personal safety risk, and is not conducive to the installation and disassembly of the sensor, the utility model provides a separate pressure sensor for screw rod pump, which can separate the installation of pressure sensor and display module to detect water pressure, is simple to operate, facilitates the installation, disassembly, replacement and maintenance of pressure sensor and display module, facilitates personnel to observe from the dangerous area, and is safe and convenient to use.

[0006] The utility model discloses a technical scheme is: a kind of separated pressure sensor for being used on screw pump, including three-way pipeline, connector, pressure sensor, sealing ring, mounting ring, fixed screw sleeve, data line, display module, mounting block and reinforcing assembly, connector is integrally formed and is connected in three-way pipeline upper portion, fixed screw sleeve is connected by screw thread on connector, fixed screw sleeve upper portion is rotatably connected with mounting ring, mounting ring lower portion is connected with sealing ring, sealing ring is in contact with connector, pressure sensor is connected on mounting ring, pressure sensor is connected with sealing ring, data line is connected on pressure sensor upside, display module is connected in the tail end of data line, display module is connected with the two mounting blocks of front and back in two sides, three-way pipeline is equipped with reinforcing assembly for reinforcing connector and fixed screw sleeve.

[0007] As preferred, mounting block is provided with mounting hole.

[0008] As preferred, reinforcing assembly includes guide rod, rotary frame, torsion spring, connecting plate, sliding frame and limiting plate, guide rod is connected on the upside of three-way pipeline left and right two parts, rotary frame is rotatably connected on the outside of three-way pipeline upper portion, torsion spring is connected between rotary frame and three-way pipeline, connecting plate is rotatably connected on the front and back two parts of rotary frame, sliding frame is rotatably connected on connecting plate, sliding frame is slidably connected with the guide rod of same side, limiting plate is connected on the side of mutual approach of sliding frame, limiting plate is in contact with connector and fixed screw sleeve.

[0009] As preferred, guide rod is L-shaped.

[0010] As preferred, sliding frame is fold-shaped.

[0011] As preferred, limiting plate is arc-shaped.

[0012] The utility model has the following advantages: 1, the utility model removes in reverse rotation fixed screw sleeve by limiting plate moving simultaneously, and then removes pressure sensor, and then installs and reinforces after replacing or maintaining display module, so as to be able to install pressure sensor and display module separately to detect water pressure, simple operation, convenient for pressure sensor and display module's loading and unloading, replacement and maintenance, personnel is convenient to observe from dangerous area, and safe and convenient to use.

[0013] 2, the utility model is installed after pressure sensor and display module, loosens sliding frame, and rotary frame reverse rotation resets, so that sliding frame reverse movement resets, so that limiting plate reverse movement and connector and fixed screw sleeve contact reinforcement, so as to be able to reinforce and limit fixed screw sleeve after pressure sensor installation, prevent fixed screw sleeve accidental rotation loosening, prevent pressure sensor from falling off, improve the stability of use. DRAWINGS

[0014] Figure 1The utility model discloses a three-dimensional structure schematic diagram.

[0015] Figure 2 The utility model discloses a three-dimensional structure section schematic diagram.

[0016] Figure 3 The utility model discloses a three-dimensional structure section schematic diagram of tee pipeline.

[0017] Figure 4 The utility model discloses a three-dimensional structure section schematic diagram of mounting ring and fixed screw sleeve and other components.

[0018] Figure 5 The utility model discloses a three-dimensional structure section schematic diagram of guide rod and connecting plate and other components.

[0019] Fig. 1: tee pipeline, 2: connecting head, 3: pressure sensor, 4: sealing ring, 5: mounting ring, 6: fixed screw sleeve, 7: data line, 8: display module, 9: mounting block, 10: guide rod, 11: rotary frame, 12: torsion spring, 13: connecting plate, 14: sliding frame, 15: limiting plate. DETAILED DESCRIPTION

[0020] In order to make the utility model's purpose, technical scheme and advantage more clearly, below will combine the attached drawing to the utility model make further detailed description. Only this declaration, the utility model appears or will appear in the text upper, lower, left, right, front, back, inside, outside and other direction words of the utility model, only with the utility model's drawing for the base, it is not the specific limitation of the utility model.

[0021] A kind of separated pressure sensor for being used on screw rod pump, as shown in Figures 1-5As shown, including tee pipe 1, connector 2, pressure sensor 3, sealing ring 4, mounting ring 5, fixed screw 6, data line 7, display module 8, mounting block 9 and reinforcement assembly, the upper part of the tee pipe 1 is connected with the integrally formed connector 2, the connector 2 is connected with the fixed screw 6 through thread, the upper part of the fixed screw 6 is rotatably connected with the mounting ring 5, the lower part of the mounting ring 5 is connected with the sealing ring 4, the sealing ring 4 is in contact with the connector 2, the mounting ring 5 is connected with the pressure sensor 3, the pressure sensor 3 is connected with the sealing ring 4, the upper side of the pressure sensor 3 is connected with the data line 7, the tail end of the data line 7 is connected with the display module 8, the display module 8 is connected with the front and rear mounting blocks 9 on both sides, the mounting blocks 9 are provided with mounting holes, bolts can pass through the mounting holes for fixation, the tee pipe 1 is provided with a reinforcement assembly for reinforcing the connector 2 and the fixed screw 6, the reinforcement assembly includes guide rods 10, rotating frames 11, torsion springs 12, connecting plates 13, sliding frames 14 and limiting plates 15, the upper sides of the left and right parts of the tee pipe 1 are connected with the guide rods 10, the guide rods 10 are L-shaped, the outer side of the upper part of the tee pipe 1 is rotatably connected with the rotating frame 11, the rotating frame 11 is connected with the tee pipe 1 through the torsion spring 12, the front and rear parts of the rotating frame 11 are rotatably connected with the connecting plates 13, the connecting plates 13 are rotatably connected with the sliding frames 14, the sliding frames 14 are slidably connected with the guide rods 10 on the same side, the sliding frames 14 are fold-shaped, the sliding frames 14 are connected with the limiting plates 15 on the side close to each other, the limiting plates 15 are in contact with the connector 2 and the fixed screw 6, the limiting plates 15 are arc-shaped, which is convenient for matching the shape of the connector 2 and the fixed screw 6.

[0022] When the split pressure sensor 3 needs to be used on the screw pump, the device can be used. First, the three-way pipe 1 is contacted with the screw pump, and then the three-way pipe 1 is fixed with the screw pump through bolts. Then the other end of the three-way pipe 1 is contacted with the water outlet pipe, and the three-way pipe 1 is fixed with the water outlet pipe through bolts. Then one side of the sliding frame 14 is pulled along the guide rod 10 by hand to move. The guide rod 10 is L-shaped, and the sliding frame 14 is fold-shaped, so that the limiting plate 15 moves simultaneously, and the connecting plate 13 and the rotating frame 11 rotate simultaneously. The torsion spring 12 is deformed. Then the fixed nut 6 is taken up and contacted with the connector 2, so that the sealing ring 4 is contacted with the connector 2. Then the fixed nut 6 is pulled along the mounting ring 5 to rotate, so that the fixed nut 6 moves to be installed, and then the pressure sensor 3 is installed. Then the display module 8 is taken up and contacted with the cabinet or wall, so that the mounting block 9 is contacted with the cabinet or wall. Then the mounting block 9 is fixed through the mounting hole by bolts, and then the display module 8 is installed in a safe position, and then the installation of the split pressure sensor 3 is realized. Then the sliding frame 14 is loosened, the torsion spring 12 rotates to recover, the rotating frame 11 and the connecting plate 13 rotate reversely to reset, so that the sliding frame 14 moves reversely to reset, so that the limiting plate 15 moves reversely and contacts with the connector 2 and the fixed nut 6 to reinforce. The limiting plate 15 is arc-shaped, which is convenient to match the shape of the connector 2 and the fixed nut 6, so that the fixed nut 6 can be reinforced and limited after the pressure sensor 3 is installed, preventing the fixed nut 6 from rotating and loosening accidentally, preventing the pressure sensor 3 from falling off, and improving the stability of use. Then the screw pump is started to be used, so that the water enters the three-way pipe 1 and then flows into the water outlet pipe. In the process of use, the sealing ring 4 is sealed, and the pressure is detected by the pressure sensor 3. The detection data is transmitted to the display module 8 through the data line 7 for display. When the pressure sensor 3 needs to be replaced or repaired, one side of the sliding frame 14 is pulled along the guide rod 10 by hand to move, so that the limiting plate 15 moves simultaneously, and the connecting plate 13 and the rotating frame 11 rotate simultaneously. The torsion spring 12 is deformed, and then the fixed nut 6 is rotated reversely to move and be taken down. Then the bolts on the mounting block 9 are taken down, and the display module 8 is taken down for replacement or repair. Then the above operation is repeated to install and reinforce the new or repaired pressure sensor 3 and display module 8, so that the pressure sensor 3 and the display module 8 can be installed separately to detect water pressure. The operation is simple, and the pressure sensor 3 and the display module 8 are convenient to disassemble, replace and repair. It is convenient for personnel to observe from a safe distance, safe and convenient to use, and the screw pump can be turned off after use.

[0023] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A split pressure sensor for use on a progressing cavity pump, characterized by: The utility model relates to a kind of pressure sensor, including three-way pipe (1), connector (2), pressure sensor (3), sealing ring (4), mounting ring (5), fixed screw sleeve (6), data line (7), display module (8), mounting block (9) and reinforcement assembly, three-way pipe (1) upper portion is connected with integrally-formed connector (2), connector (2) is connected with fixed screw sleeve (6) by screwing, fixed screw sleeve (6) upper portion is rotatably connected with mounting ring (5), mounting ring (5) lower portion is connected with sealing ring (4), sealing ring (4) is in contact with connector (2), mounting ring (5) is connected with pressure sensor (3), pressure sensor (3) is connected with sealing ring (4), pressure sensor (3) upper side is connected with data line (7), the tail end of data line (7) is connected with display module (8), display module (8) upper and lower sides are connected with front and rear two mounting blocks (9), three-way pipe (1) is equipped with the reinforcement assembly for reinforcing connector (2) and fixed screw sleeve (6).

2. A split pressure sensor for use on a progressing cavity pump as defined in claim 1, wherein: Mounting hole is opened in mounting block (9).

3. A split pressure sensor for use on a progressing cavity pump as defined in claim 2 wherein: Reinforcement assembly includes guide rod (10), rotary frame (11), torsion spring (12), connecting plate (13), sliding frame (14) and limiting plate (15), three-way pipe (1) left and right two upper sides are connected with guide rod (10), three-way pipe (1) upper portion outer side is rotatably connected with rotary frame (11), torsion spring (12) is connected between rotary frame (11) and three-way pipe (1), rotary frame (11) front and rear two portions are rotatably connected with connecting plate (13), connecting plate (13) is rotatably connected with sliding frame (14), sliding frame (14) is rotatably connected with the guide rod (10) of same side, the side of sliding frame (14) mutually close is connected with limiting plate (15), limiting plate (15) is in contact with connector (2) and fixed screw sleeve (6).

4. A split pressure sensor for use on a progressing cavity pump as defined in claim 3 wherein: Guide rod (10) is L-shaped.

5. A split pressure sensor for use on a progressing cavity pump as defined in claim 4 wherein: Sliding frame (14) is fold-shaped.

6. A split pressure sensor for use on a progressing cavity pump as defined in claim 5 wherein: Limiting plate (15) is arc-shaped.

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