Flowmeter with improved piston guide

Abstract

The utility model belongs to the technical field of piston flow meters, and particularly relates to a flow meter with an improved piston guide, which comprises a shell, a water inlet pipe communicated with the lower end face of the shell, a water outlet pipe communicated with the side wall of the shell, a piston slidably connected in the shell, and a connecting rod fixedly connected with the upper end face of the piston. A sleeve is fixedly connected to the upper end face of the shell, a push plate is slidably connected into the sleeve, the other end of the connecting rod extends into the sleeve and is fixedly connected with the push plate, a position sensor is installed on the side wall of the sleeve, and a flow velocity sensor is arranged on the outer wall of the water outlet pipe. According to the utility model, the fluid can be adjusted in time without manual operation, so that the working efficiency is improved, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to piston flowmeter technical field, concretely is a kind of flowmeter with improved piston guide. BACKGROUND

[0002] Flowmeter is usually used to monitor fluid flow in real time.

[0003] The existing flowmeter usually does not have the function of automatically adjusting fluid, and needs manual adjustment of fluid through control valve, which is more troublesome to operate, and cannot timely adjust fluid, so the working efficiency is low and the practicality is poor. SUMMARY

[0004] The utility model aims at providing a kind of flowmeter with improved piston guide, can timely adjust fluid, without manual operation, improve working efficiency, and improve practicality.

[0005] The utility model is realized in this way, a kind of flowmeter with improved piston guide, including shell, the lower end surface of the shell is connected with water inlet pipe, the lateral wall of the shell is connected with water outlet pipe, the inside of the shell is slidably connected with piston, the upper end surface of the piston is fixedly connected with connecting rod, the upper end surface of the shell is fixedly connected with sleeve, the inside of the sleeve is slidably connected with push plate, the other end of the connecting rod extends to the inside of sleeve and is fixedly connected with push plate, the lateral wall of the sleeve is installed with position sensor, the outer wall of water outlet pipe is provided with flow velocity sensor.

[0006] In order to facilitate the detection of the pressure of fluid, as a kind of flowmeter with improved piston guide of the utility model preferably, the inside top surface of the sleeve is provided with pressure sensor, the lower portion of the pressure sensor is provided with top plate, the spring is arranged between the top plate and push plate.

[0007] In order to facilitate the control and adjustment of fluid, as a kind of flowmeter with improved piston guide of the utility model preferably, the inside of water inlet pipe is provided with electromagnetic valve.

[0008] In order to improve the sealing property of piston, as a kind of flowmeter with improved piston guide of the utility model preferably, the lower end surface of the piston is fixedly connected with sealing washer.

[0009] In order to facilitate the installation of the utility model, as a kind of flowmeter with improved piston guide of the utility model preferably, the other end of water inlet pipe and water outlet pipe is fixedly connected with flange, a plurality of array distribution mounting holes are formed through the outer wall of two flanges.

[0010] In order to operate more convenient, as a kind of flowmeter with improved piston guide preferred of the utility model, the upper end surface of the shell is equipped with control panel located in the front of sleeve, the front end surface of the control panel is provided with display.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a flow sensor detects the fluid velocity, and the connecting rod drives the push plate to move upwards in the inside of sleeve simultaneously, the position sensor detects the distance of push plate movement, the control panel calculates the cross section size of water pipe and shell intercommunication, thereby calculates the flow size of fluid, when the flow of fluid exceeds the set value, the piston is extruded to the inside top surface of shell by fluid, makes the connecting rod drive push plate to move upwards in the inside of sleeve, extrudes spring, and makes the top plate extrude pressure sensor, and pressure exceeds the set value of pressure sensor simultaneously, at this time, the control panel drives solenoid valve to change the fluid size of water inlet pipe, can adjust fluid in time, need not manual operation, improves work efficiency, and improves practicality. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is overall structural diagram of the utility model;

[0014] Figure 2 It is overall cut structure diagram of the utility model;

[0015] Figure 3 It is the utility model Figure 2 The enlarged view of A in the utility model.

[0016] In the drawing: 1, shell;2, water inlet pipe;3, water outlet pipe;4, solenoid valve;5, piston;6, flange;7, mounting hole;8, sealing washer;9, connecting rod;10, push plate;11, sleeve;12, position sensor;13, control panel;14, display;15, top plate;16, pressure sensor;17, spring;18, flow sensor. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further detailed below in combination with the drawings and examples.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0018] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, "a plurality of" means two or more, unless otherwise specifically limited.

[0019] Please refer to Figures 1-3 A flowmeter with improved piston guide, including the shell 1, the lower end surface of shell 1 is communicated with water inlet pipe 2, the side wall of shell 1 is communicated with water outlet pipe 3, the inside of shell 1 is slidably connected with piston 5, the upper end surface of piston 5 is fixedly connected with connecting rod 9, the upper end surface of shell 1 is fixedly connected with sleeve 11, the inside of sleeve 11 is slidably connected with push plate 10, the other end of connecting rod 9 extends to the inside of sleeve 11 and is fixedly connected with push plate 10, the side wall of sleeve 11 is installed with position sensor 12, the outer wall of water outlet pipe 3 is provided with flow rate sensor 18.

[0020] In this embodiment: the utility model is installed on the pipeline through the mounting hole 7 on the two flanges 6 cooperates with bolt, fluid enters shell 1 through water inlet pipe 2, then extrudes piston 5, makes piston 5 move upwards in the inside of shell 1, because water outlet pipe 3 is communicated with shell 1, fluid can be discharged through water outlet pipe 3;The distance of push plate 10 movement is detected through position sensor 12;The size of the cross section of water outlet pipe 3 and shell 1 is calculated through control panel 13, so that the size of the flow of fluid is calculated;

[0021] When the flow of fluid exceeds the set value, piston 5 is extruded to the inside top surface of shell 1 by fluid, makes connecting rod 9 drive push plate 10 move upwards in the inside of sleeve 11, extrudes spring 17, makes top plate 15 extrude pressure sensor 16, the pressure exceeds the set value of pressure sensor 16 simultaneously, at this moment, the size of the fluid of water inlet pipe 2 is changed by driving electromagnetic valve 4 through control panel 13, can adjust fluid in time, does not need manual operation, improves work efficiency and improves practicability.

[0022] As a technical optimization scheme of the utility model, the inside top surface of sleeve 11 is provided with pressure sensor 16, the lower portion of pressure sensor 16 is provided with top plate 15, spring 17 is arranged between top plate 15 and push plate 10.

[0023] In the embodiment, the connecting rod 9 drives the push plate 10 to move upward in the sleeve 11, extrudes the spring 17, extrudes the top plate 15 to the pressure sensor 16, so as to detect the pressure.

[0024] As a technical optimization scheme of the utility model, the water inlet pipe 2 is internally provided with an electromagnetic valve 4.

[0025] In the embodiment, the water inlet pipe 2 is internally provided with the electromagnetic valve 4, so that the size of fluid in the water inlet pipe 2 can be controlled.

[0026] As a technical optimization scheme of the utility model, the lower end surface of the piston 5 is fixedly connected with a sealing gasket 8.

[0027] In the embodiment, the lower end surface of the piston 5 is fixedly connected with the sealing gasket 8, the sealing property of the piston 5 is improved through the sealing gasket 8, and data is more accurate.

[0028] As a technical optimization scheme of the utility model, the other end of the water inlet pipe 2 and the water outlet pipe 3 is fixedly connected with a flange 6, a plurality of arrayed mounting holes 7 are formed through the outer wall of the two flanges 6.

[0029] In the embodiment, the mounting holes 7 on the two flanges 6 cooperate with bolts to facilitate installation of the utility model on a pipeline.

[0030] As a technical optimization scheme of the utility model, the upper end surface of the shell 1 is installed with a control panel 13 located in front of the sleeve 11, and the front end surface of the control panel 13 is provided with a display 14.

[0031] In the embodiment, the electromagnetic valve 4, the position sensor 12, the display 14, the pressure sensor 16 and the flow rate sensor 18 are electrically connected with the control panel 13, so that operation is more convenient, and data displayed through the display 14 is more intuitive.

[0032] The working principle and use process of the utility model are as follows: the utility model is installed on a pipeline through the mounting holes 7 on the two flanges 6 cooperating with bolts, fluid enters the shell 1 through the water inlet pipe 2, then extrudes the piston 5, the piston 5 moves upward in the shell 1, the water outlet pipe 3 is communicated with the shell 1, fluid can be discharged through the water outlet pipe 3, the fluid speed is detected through the flow rate sensor 18, the push plate 10 moves upward in the sleeve 11 through the connecting rod 9, the distance of the push plate 10 is detected through the position sensor 12, the size of the cross section of the water outlet pipe 3 communicated with the shell 1 is calculated through the control panel 13, so that the size of the flow of fluid is calculated.

[0033] When the flow of fluid exceeds the set value, the piston 5 is extruded to the inside top surface of the shell 1 by the fluid, so that the connecting rod 9 drives the push plate 10 to move upwards in the inside of the sleeve 11, extrudes the spring 17, so that the top plate 15 extrudes the pressure sensor 16, and the pressure exceeds the set value of the pressure sensor 16 at the same time, then the fluid size of the water inlet pipe 2 is changed by driving the electromagnetic valve 4 through the control panel 13, so that the fluid can be adjusted in time, without manual operation, the working efficiency is improved, and the practicability is improved.

[0034] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flow meter with improved piston guidance, comprising a housing (1), characterized in that: The lower end surface of the shell (1) is connected to a water inlet pipe (2), the side wall of the shell (1) is connected to a water outlet pipe (3), the interior of the shell (1) is slidably connected to a piston (5), the upper end surface of the piston (5) is fixedly connected to a connecting rod (9), the upper end surface of the shell (1) is fixedly connected to a sleeve (11), the interior of the sleeve (11) is slidably connected to a push plate (10), the other end of the connecting rod (9) extends to the interior of the sleeve (11) and is fixedly connected to the push plate (10), a position sensor (12) is installed on the side wall of the sleeve (11), and a flow rate sensor (18) is provided on the outer wall of the water outlet pipe (3).

2. A flow meter with improved piston guidance according to claim 1, characterized in that: A pressure sensor (16) is provided on the inner top surface of the sleeve (11), a top plate (15) is provided below the pressure sensor (16), and a spring (17) is provided between the top plate (15) and the push plate (10).

3. A flow meter with improved piston guidance according to claim 1, characterized in that: A solenoid valve (4) is provided inside the water inlet pipe (2).

4. A flow meter with improved piston guidance according to claim 1, characterized in that: A sealing gasket (8) is fixedly connected to the lower end surface of the piston (5).

5. A flow meter with improved piston guidance according to claim 1, characterized in that: The other ends of the water inlet pipe (2) and the water outlet pipe (3) are both fixedly connected to flanges (6), and the outer walls of the two flanges (6) are penetrated by a plurality of mounting holes (7) distributed in an array.

6. A flow meter with improved piston guidance according to claim 1, characterized in that: A control panel (13) located in front of the sleeve (11) is installed on the upper end surface of the housing (1), and a display (14) is provided on the front end surface of the control panel (13).

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