Flow guiding and reversing device for liquid flow meter detection

Abstract

The utility model discloses a flow guiding and reversing device for liquid flow meter detection, and relates to the technical field of liquid flow detection.According to the flow guiding and reversing device for liquid flow meter detection, firstly, liquid is input from a liquid inlet pipe and normally conveyed to a liquid outlet pipe from the left side of a valve cavity; data monitoring and recording are started through a control panel, meanwhile, a valve handle is pulled, a transmission shaft drives a second valve element to rotate at a right angle, a first gear and a second gear are matched to be in meshed connection, a first valve element is conveniently driven to rotate at the same time, and therefore a left side valve cavity is closed, a right side valve cavity is communicated, and liquid is conveyed to a measuring shell in a reversing mode; the reversing valve is used for replacing a moving pipeline for reversing, the sealing performance of the reversing structure is improved, the situation of liquid splashing is avoided, the weighing tank is used for bearing liquid, the weighing module is matched for detecting the weight of the liquid, the control panel is used for counting time, weight and other numerical values, and data calculation and detection are completed after secondary reversing.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid flow detection, in particular to a flow guiding and reversing device for liquid flow meter detection. Background Art

[0002] Liquid flow meter is a precision instrument manufactured based on the Karman vortex principle and used to measure the flow of liquid, gas and steam in sealed pipes. Since the detection element is sealed in the detection body, it is not measured by the medium, and there are no moving parts inside, no on-site maintenance is required. Therefore, it is highly respected by users and is widely used in measurement management and process control in textile printing and dyeing, petroleum, chemical industry, metallurgy and pharmaceuticals, thermal power, papermaking, and fire protection industries.

[0003] For example, patent number CN209841142U, the utility model discloses a flow diversion device for liquid flow meter detection, including a support plate, a frame is fixed at the bottom end of the support plate, a waste liquid tank and an electronic scale are fixed at the bottom end of the frame, a weighing box is placed on the top of the electronic scale, a control box is installed on the left side of the frame, an electronic display screen, a time relay and a start panel are installed on the outside of the control box in sequence, and a single-chip microcomputer is installed inside the control box, a bracket and a cylinder leg are fixed at the top of the support plate, the front and back sides of the bracket are connected to a fixed plate, and an axle frame is installed at the top of the fixed plate. The utility model is connected to the liquid outlet pipe by a solid pipe shell through the piston rod of the cylinder, and the liquid outlet pipe is located at the bottom end of the solid pipe block, and the solid pipe block is installed on the rotating shaft. The cylinder startup will drive the liquid outlet pipe to move, thereby playing a role in liquid guidance, which is beneficial to the detection of liquid flow per unit time, and is suitable for wide promotion and use.

[0004] When the existing flow guiding and reversing device for detecting liquid flow meters is working, due to certain limitations of its reversing structure, when the liquid flow is too large, liquid splashing may occur, further affecting the detection accuracy of the flow guiding and reversing device for detecting liquid flow meters. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a flow guiding and reversing device for detecting a liquid flow meter, so as to solve the problem raised in the above background technology that the existing flow guiding and reversing device for detecting a liquid flow meter has certain limitations in its reversing structure during operation. When the liquid flow is too large, liquid splashing may occur, further affecting the detection accuracy of the flow guiding and reversing device for detecting a liquid flow meter.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a flow guide and reversing device for detecting a liquid flow meter, comprising an equipment box, a reversing valve is fixedly installed on the upper end of the equipment box, a liquid inlet pipe is fixedly connected to the rear end of the reversing valve, a protective shell is fixedly installed on the upper end of the reversing valve, a valve cavity is opened inside the reversing valve, a valve core 1 is arranged on the left side of the valve cavity, a valve core 2 is arranged on the right side of the valve cavity, a connecting shaft 1 is fixedly installed on the upper end of the valve core 1, a gear 1 is fixedly installed on the upper end of the connecting shaft 1 extending to the inside of the protective shell, a connecting shaft 2 is fixedly installed on the upper end of the valve core 2, and the upper end of the connecting shaft 2 extends to the inside of the protective shell. A gear 2 is fixedly installed on the top of the gear 2, a transmission shaft is fixedly installed on the upper end of the transmission shaft, a valve handle is fixedly installed on the upper end of the protective shell, a liquid outlet pipe is fixedly connected to the left side of the front end of the valve cavity, a measuring shell is fixedly connected to the right side of the front end of the valve cavity, a weighing module is fixedly installed on the inside of the equipment box, a weighing tank is fixedly installed on the upper end of the weighing module, a solenoid valve is fixedly connected to the lower end of the weighing tank, a connecting hose is fixedly connected to the lower end of the solenoid valve, a liquid level sensor is fixedly installed on the upper end of the weighing tank, a detection rod is fixedly installed on the lower end of the liquid level sensor, and the lower end of the detection rod extends to the inside of the weighing tank where a detection head is fixedly installed.

[0007] Preferably, the valve cavity and valve core 1 are adapted to each other, and the valve cavity and valve core 2 are adapted to each other.

[0008] Preferably, the connecting shaft 1 is rotationally connected to the reversing valve, and the connecting shaft 2 is rotationally connected to the reversing valve.

[0009] Preferably, the gear 1 is meshedly connected with the gear 2, and the valve core 2 and the valve core 1 are distributed perpendicular to each other.

[0010] Preferably, a limiting member is fixedly installed on the upper end of the protective shell at the side of the valve handle, and the transmission shaft is rotatably connected to the protective shell.

[0011] Preferably, the measuring shell and the weighing tank are connected to each other, and the connecting hose and the liquid outlet pipe are connected to each other.

[0012] Preferably, a control panel is fixedly mounted on the upper end of the equipment box, located on the side of the reversing valve, and the liquid level sensor and the solenoid valve are both electrically connected to the control panel. Beneficial Effects

[0013] The utility model provides a flow guide and reversing device for liquid flow meter detection. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The flow guide reversing device for detecting the liquid flow meter first inputs liquid from the liquid inlet pipe, and normally transports the liquid to the liquid outlet pipe from the left side of the valve chamber. When the detection operation is required, the data monitoring and recording is started through the control panel, and the valve handle is pulled at the same time, so that the transmission shaft drives the valve core 2 to rotate at a right angle, and the gear 1 is meshed and connected with the gear 2, so as to drive the valve core 1 to rotate at the same time, thereby closing the left valve chamber and connecting the right valve chamber, so that the liquid is reversibly transported to the measuring shell. The reversing valve is used instead of the mobile pipeline for reversing, which is beneficial to improve the sealing of the reversing structure, avoid liquid splashing, and further ensure the accuracy of the detection.

[0015] 2. The flow diversion and reversing device for liquid flow meter detection receives liquid through a weighing tank, and cooperates with a weighing module to detect its weight. The control panel is used to count time, weight and other values, and the data calculation and detection are completed after the second reversal. Finally, the solenoid valve is controlled to discharge the liquid into the liquid outlet pipe. When the weighing tank receives the liquid, the liquid level is monitored in real time through the liquid level sensor, and the information is transmitted to the control panel, which is beneficial for the staff to control the internal situation of the weighing tank and avoid excessive liquid input, which affects the normal progress of the detection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 .

[0017] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0018] Figure 3 The structure of the reversing valve of the utility model is shown in FIG. Figure 1 .

[0019] Figure 4 The structure of the reversing valve of the utility model is shown in FIG. Figure 2 .

[0020] Figure 5 This is a schematic diagram of the structure of the weighing tank of the utility model.

[0021] In the figure: 1. Equipment box; 2. Reversing valve; 3. Liquid inlet pipe; 4. Protective shell; 5. Valve chamber; 6. Valve core 1; 7. Valve core 2; 8. Connecting shaft 1; 9. Gear 1; 10. Connecting shaft 2; 11. Gear 2; 12. Transmission shaft; 13. Valve handle; 14. Liquid outlet pipe; 15. Measuring shell; 16. Weighing module; 17. Weighing tank; 18. Solenoid valve; 19. Connecting hose; 20. Liquid level sensor; 21. Detection rod; 22. Detection head; 23. Limiting piece; 24. Control panel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a flow guiding and reversing device for detecting a liquid flow meter, comprising an equipment box 1, a reversing valve 2 is fixedly installed on the upper end of the equipment box 1, a liquid inlet pipe 3 is fixedly connected to the rear end of the reversing valve 2, a protective shell 4 is fixedly installed on the upper end of the reversing valve 2, a valve cavity 5 is opened inside the reversing valve 2, a valve core 1 6 is arranged on the left side of the valve cavity 5, a valve core 2 7 is arranged on the right side of the valve cavity 5, a connecting shaft 1 8 is fixedly installed on the upper end of the valve core 1 6, a gear 1 9 is fixedly installed on the upper end of the connecting shaft 1 8 extending to the interior of the protective shell 4, a connecting shaft 2 10 is fixedly installed on the upper end of the valve core 2 7, a gear 2 11 is fixedly installed on the upper end of the connecting shaft 2 10 extending to the interior of the protective shell 4, a transmission shaft 12 is fixedly installed on the upper end of the transmission shaft 12, and a valve handle 13 is fixedly installed on the upper end of the transmission shaft 12 extending to the outside of the protective shell 4, the valve cavity 5 and the valve core 1 6 are adapted to each other, the valve cavity 5 and the valve core 2 7 are adapted to each other, the connecting shaft 1 8 and The reversing valve 2 is rotatably connected, the connecting shaft 2 10 is rotatably connected with the reversing valve 2, the gear 1 9 is meshed and connected with the gear 2 11, the valve core 2 7 and the valve core 1 6 are vertically distributed to each other, the upper end of the protective shell 4 is located on the side of the valve handle 13 and a limiter 23 is fixedly installed, the transmission shaft 12 is rotatably connected with the protective shell 4, firstly, liquid is input from the liquid inlet pipe 3, and the liquid is normally transported to the liquid outlet pipe 14 from the left side of the valve chamber 5. When the detection operation is required, the data monitoring and recording is started through the control panel 24, and the valve handle 13 is pulled at the same time, so that the transmission shaft 12 drives the valve core 2 7 to rotate at a right angle, and the gear 1 9 is meshed and connected with the gear 2 11, so as to drive the valve core 1 6 to rotate at the same time, thereby closing the left valve chamber 5 and connecting the right valve chamber 5, so that the liquid is reversibly transported to the measuring shell 15, and the reversing valve 2 is used instead of the mobile pipeline for reversing, which is conducive to improving the sealing of the reversing structure, avoiding the situation of liquid splashing, and further ensuring the accuracy of the detection;

[0024] The left side of the front end of the valve chamber 5 is fixedly connected with a liquid outlet pipe 14, the right side of the front end of the valve chamber 5 is fixedly connected with a measuring shell 15, a weighing module 16 is fixedly installed inside the equipment box 1, a weighing tank 17 is fixedly installed on the upper end of the weighing module 16, a solenoid valve 18 is fixedly connected to the lower end of the weighing tank 17, a connecting hose 19 is fixedly connected to the lower end of the solenoid valve 18, the measuring shell 15 and the weighing tank 17 are connected to each other, the connecting hose 19 and the liquid outlet pipe 14 are connected to each other, the liquid is received by the weighing tank 17, and the weight thereof is detected in cooperation with the weighing module 16, the control panel 24 is used to count the time, weight and other values, and the data calculation and detection are completed after the secondary reversal, and finally the solenoid valve 18 is controlled to discharge the liquid into the liquid outlet pipe 14;

[0025] A liquid level sensor 20 is fixedly installed on the upper end of the weighing tank 17, and a detection rod 21 is fixedly installed on the lower end of the liquid level sensor 20. The lower end of the detection rod 21 extends to the inside of the weighing tank 17 and a detection head 22 is fixedly installed. The upper end of the equipment box 1 is located on the side of the reversing valve 2 and a control panel 24 is fixedly installed. The liquid level sensor 20 and the solenoid valve 18 are both electrically connected to the control panel 24. When the weighing tank 17 receives liquid, the liquid level is monitored in real time through the liquid level sensor 20, and the information is transmitted to the control panel 24, which is beneficial for the staff to control the internal situation of the weighing tank 17 and avoid excessive liquid input, which affects the normal progress of the detection work.

[0026] During operation, liquid is first input from the liquid inlet pipe 3, and the liquid is normally transported to the liquid outlet pipe 14 from the left side of the valve chamber 5. When a detection operation is required, data monitoring and recording is started through the control panel 24, and the valve handle 13 is pulled at the same time, so that the transmission shaft 12 drives the valve core 2 7 to rotate at a right angle, and the gear 1 9 is meshed and connected with the gear 2 11, so as to drive the valve core 1 6 to rotate at the same time, thereby closing the left valve chamber 5 and connecting the right valve chamber 5, so that the liquid is transported to the measuring shell 15 in a reverse direction. The reversing valve 2 is used instead of the mobile pipeline for reversing, which is conducive to improving the sealing performance of the reversing structure. , to avoid liquid splashing, further ensure the accuracy of the detection, through the weighing tank 17 to receive the liquid, and cooperate with the weighing module 16 to detect its weight, use the control panel 24 to count the time, weight and other values, and complete the data calculation and detection after the second reversal, and finally control the solenoid valve 18 to discharge the liquid into the liquid outlet pipe 14. When the weighing tank 17 receives the liquid, the liquid level is monitored in real time through the liquid level sensor 20, and the information is transmitted to the control panel 24, which is conducive to the staff to control the internal situation of the weighing tank 17 and avoid excessive liquid input, which affects the normal progress of the detection work.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A flow diversion device for detecting a liquid flow meter, comprising a device housing (1), characterized in that: A reversing valve (2) is fixedly mounted on the upper end of the equipment housing (1), a liquid inlet pipe (3) is fixedly connected to the rear end of the reversing valve (2), a protective shell (4) is fixedly mounted on the upper end of the reversing valve (2), a valve chamber (5) is provided inside the reversing valve (2), a valve core 1 (6) is provided on the left side of the valve chamber (5), a valve core 2 (7) is provided on the right side of the valve chamber (5), a connecting shaft 1 (8) is fixedly mounted on the upper end of the valve core 1 (6), a gear 1 (9) is fixedly mounted on the upper end of the connecting shaft 1 (8) extending to the interior of the protective shell (4), a connecting shaft 2 (10) is fixedly mounted on the upper end of the valve core 2 (7), a gear 2 (11) is fixedly mounted on the upper end of the connecting shaft 2 (10) extending to the interior of the protective shell (4), a transmission shaft (12) is fixedly mounted on the upper end of the gear 2 (11), and the The upper end of the transmission shaft (12) extends to the outside of the protective shell (4) and is fixedly mounted with a valve handle (13); the left side of the front end of the valve chamber (5) is fixedly connected to a liquid outlet pipe (14); the right side of the front end of the valve chamber (5) is fixedly connected to a measuring shell (15); a weighing module (16) is fixedly mounted inside the equipment box (1); a weighing tank (17) is fixedly mounted on the upper end of the weighing module (16); a solenoid valve (18) is fixedly connected to the lower end of the weighing tank (17); a connecting hose (19) is fixedly connected to the lower end of the solenoid valve (18); a liquid level sensor (20) is fixedly mounted on the upper end of the weighing tank (17); a detection rod (21) is fixedly mounted on the lower end of the liquid level sensor (20); and a detection head (22) is fixedly mounted on the lower end of the detection rod (21) extending to the inside of the weighing tank (17).

2. A flow guiding and reversing device for detecting a liquid flow meter according to claim 1, characterized in that: The valve cavity (5) and valve core 1 (6) are mutually compatible, and the valve cavity (5) and valve core 2 (7) are mutually compatible.

3. A flow guiding and reversing device for detecting a liquid flow meter according to claim 1, characterized in that: The connecting shaft one (8) is rotationally connected to the reversing valve (2), and the connecting shaft two (10) is rotationally connected to the reversing valve (2).

4. A flow guiding and reversing device for detecting a liquid flow meter according to claim 1, characterized in that: The gear one (9) is meshedly connected with the gear two (11), and the valve core two (7) and the valve core one (6) are arranged perpendicular to each other.

5. The flow guiding and reversing device for detecting a liquid flow meter according to claim 1, characterized in that: A limiting member (23) is fixedly mounted on the upper end of the protective shell (4) at the side of the valve handle (13), and the transmission shaft (12) is rotatably connected to the protective shell (4).

6. A flow guiding and reversing device for detecting a liquid flow meter according to claim 1, characterized in that: The measuring shell (15) and the weighing tank (17) are connected to each other, and the connecting hose (19) and the liquid outlet pipe (14) are connected to each other.

7. A flow guiding and reversing device for detecting a liquid flow meter according to claim 1, characterized in that: A control panel (24) is fixedly mounted on the upper end of the equipment box (1) and located on the side of the reversing valve (2); the liquid level sensor (20) and the solenoid valve (18) are both electrically connected to the control panel (24).

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