Electric needle valve coagulant dosing device

Abstract

The utility model relates to an electric needle valve coagulant dosing device which comprises a base, a stepping motor is connected to the base in a sliding mode through a sliding rail, the rotating shaft end of the stepping motor is connected with a valve element of a needle valve so as to adjust the opening degree of the valve, and a side plate is fixedly arranged on the side of the base. Two limiting plates for limiting excessive sliding of the stepping motor are arranged on the side plate in a protruding mode, a plurality of sensors are arranged on the portion, between the two limiting plates, of the side plate at intervals, and the electric needle valve coagulant adding device is simple in structure, capable of saving labor cost and more convenient and efficient.

Description

Technical Field

[0001] The utility model relates to an electric needle valve coagulant dosing device. Background Art

[0002] When the water purification equipment is working, it needs to be accurately metered and dosing. The traditional dosing method is to manually mix the dosage and then manually inject it through the dosing window or valve. It also needs to be added repeatedly, which consumes a lot of manpower and is not conducive to the efficient and stable operation of the water purification system. It needs to be improved urgently. Utility Model Content

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide an electric needle valve coagulant dosing device, which is not only structurally reasonable but also convenient and efficient.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: an electric needle valve coagulant dosing device, comprising a base, a stepper motor is slidably connected to the base via a slide rail, the rotating shaft end of the stepper motor is connected to the valve core of a needle valve to adjust the valve opening, a side plate is fixedly provided on the side of the base, two limiting plates protruding from the side plate respectively limit the excessive slip of the stepper motor, and a number of sensors are arranged at intervals on the side plate between the two limiting plates.

[0005] Furthermore, a slider is slidably connected to the slide rail, a horizontal support plate is fixedly connected to the top of the slider, the stepper motor is fixedly connected to the horizontal support plate, and the slide rail is fixedly connected to the base.

[0006] Furthermore, the rotating shaft end of the stepping motor is connected to the valve core of the needle valve via a coupling.

[0007] Furthermore, a valve seat for mounting a needle valve is fixedly provided on the base, and a U-shaped groove for placing a valve core is provided on the valve seat.

[0008] Compared with the existing technology, the utility model has the following beneficial effects: the staff can determine the sliding position of the slider and then judge the opening and closing degree of the valve by remotely receiving the sensor signal, that is, control the rotation of the stepper motor to complete the control requirements of the valve opening and closing adjustment, achieve the purpose of remote control and observation, reduce labor costs, and be convenient and efficient.

[0009] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0011] Figure 2 for Figure 1 Right side view with side panels removed;

[0012] Figure 3 for Figure 1 Bottom view of .

[0013] In the figure: 1-base, 2-slide rail, 3-stepping motor, 4-valve core, 5-side plate, 6-limiting plate, 7-sensor, 8-slider, 9-horizontal support plate, 10-coupling, 11-valve seat, 12-U-shaped groove, 13-needle valve. DETAILED DESCRIPTION

[0014] In order to make the above features and advantages of the present invention more obvious and easy to understand, embodiments are given below with reference to the accompanying drawings for detailed description.

[0015] like Figures 1-3 As shown, an electric needle valve coagulant dosing device includes a base 1, on which a stepper motor 3 is slidably connected via a slide rail 2, and the rotating shaft end of the stepper motor is connected to a valve core 4 of a needle valve 13 to adjust the valve opening. A side plate 5 is fixedly provided on the side of the base, and two limiting plates 6 are protruding from the side plate for limiting excessive sliding of the stepper motor. The limiting plates are respectively located at the front and rear of the slider, and limit the sliding range of the slider and thus limit the sliding range of the stepper motor. A number of sensors 7 are spaced apart on the side plate between the two limiting plates, and points for sensing by the sensors are provided on the slider. The different positions of the slider are sensed by the sensors to judge the opening and closing degree of the needle valve. The stepper motor and the sensor are both externally connected to the control terminal for remote control and acquisition of the opening and closing degree.

[0016] In the embodiment of the present invention, a slider 8 is slidably connected to the slide rail, a horizontal support plate 9 is fixedly connected to the top of the slider, the stepper motor is fixedly connected to the horizontal support plate, and the slide rail is fixedly connected to the base.

[0017] In the embodiment of the present invention, the rotating shaft end of the stepping motor is connected to the valve core of the needle valve via a coupling 10 .

[0018] In the embodiment of the present invention, a valve seat 11 for mounting a needle valve is fixedly provided on the base, and a U-shaped groove 12 for placing a valve core is provided on the valve seat.

[0019] The working principle of the embodiment of the present utility model is as follows: by starting the stepper motor, the coupling and the valve core are driven to rotate. When the rotation direction is to open the valve, the valve core will move outward and drive the stepper motor as a whole to slide on the slide rail along with the slider. The staff remotely receives the position of the slider through the sensor and then determines the opening and closing degree of the valve, that is, controls the rotation of the stepper motor to complete the control requirements of adjusting the opening and closing degree of the valve.

[0020] The present invention is not limited to the above-mentioned best embodiment. Anyone can derive other forms of electric needle valve coagulant dosing devices based on the inspiration of the present invention. All equivalent changes and modifications made within the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims

1. Electric needle valve coagulant dosing device, including a base, characterized by: A stepper motor is slidably connected to the base via a slide rail. The rotating shaft end of the stepper motor is connected to the valve core of a needle valve to adjust the valve opening. A side plate is fixedly provided on the side of the base. Two limiting plates protrude from the side plate to limit excessive sliding of the stepper motor. A number of sensors are spaced apart on the side plate between the two limiting plates.

2. The electric needle valve coagulant dosing device according to claim 1, characterized in that: A slider is slidably connected to the slide rail, a horizontal supporting plate is fixedly connected to the top of the slider, the stepping motor is fixedly connected to the horizontal supporting plate, and the slide rail is fixedly connected to the base.

3. The electric needle valve coagulant dosing device according to claim 1, characterized in that: The rotating shaft end of the stepping motor is connected to the valve core of the needle valve via a coupling.

4. The electric needle valve coagulant dosing device according to claim 1, characterized in that: A valve seat for mounting a needle valve is fixedly provided on the base, and a U-shaped groove for placing a valve core is provided on the valve seat.

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