Basic chemical flow controller

Abstract

The utility model discloses a basic chemical flow controller which comprises a flow control device body, a rotating plate is arranged on the outer side of the flow control device body, when an adjusting stud needs to be screwed, a hand-held plate is driven to move upwards, the hand-held plate moves upwards to drive a sliding plate to move upwards in a frame, the sliding plate moves upwards to extrude a spring, and the rotating plate is driven to rotate. The spring is extruded to contract, the sliding plate moves upwards to drive the limiting plate to move upwards, so that the limiting plate moves out of the limiting groove, limiting on the rotating plate is relieved, the rotating plate can be screwed, after the rotating plate is screwed to adjust the flow, the hand lifting plate is loosened, and at the moment, the spring resets to generate thrust to enable the sliding plate to move to the original position; and the limiting plates are inserted into the corresponding limiting grooves, so that limiting of the rotating plate is completed, and flow adjustment caused by rotation of an adjusting stud due to misoperation of process personnel or external reasons is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flow controllers, more particularly to a basic chemical flow controller. BACKGROUND

[0002] "Basic chemicals" refers to chemicals widely used in chemical production as basic raw materials or having an important basic position, such as ethylene, sulfuric acid, caustic soda, etc. are indispensable basic materials in many industrial fields, and "flow controller" is a device for accurately regulating the flow of fluid (here referring to basic chemicals). By controlling the opening degree of the valve, the speed of the pump, etc., it ensures that the basic chemicals are delivered according to the set flow. In chemical production, accurate control of flow is crucial to product quality, production efficiency, and reaction safety.

[0003] The publication (announcement) No. CN220930226U discloses "an adjustable chemical raw material flow control device, relating to the field of chemical raw material flow control, comprising: a flow control device body and a chemical raw material tank, a drain cavity is arranged inside the flow control device body……The utility model solves the problem that the electromagnetic flow valve is easily corroded by chemical raw materials, thereby affecting the normal flow of chemical raw materials", but the application does not set a limiting mechanism for the adjusting stud. In the process of use, the adjusting stud may rotate due to the misoperation of the process personnel or external reasons, resulting in flow adjustment and affecting the effect of flow control.

[0004] In order to solve the above problems, the present application provides a basic chemical flow controller. CONTENT OF THE UTILITY MODEL

[0005] One purpose of the present application is to provide a basic chemical flow controller, which comprises a flow control device body, a rotating plate is arranged on the outer side of the flow control device body, a plurality of limiting grooves are arranged on the outer side of the rotating plate, a frame body is fixedly connected to the outer side of the flow control device body, a sliding plate is slidably connected inside the frame body, a limiting plate is slidably connected to the bottom side of the frame body, two connecting rods are symmetrically slidably inserted into the top of the frame body, a carrying plate is fixedly connected to the top end of the connecting rod, and a spring is sleeved on the outer side of the connecting rod.

[0006] Further, the plurality of limiting grooves are arranged in a ring array, and the bottom end of the limiting plate extends into the interior of the limiting groove.

[0007] Further, a limiting hole is arranged at the bottom of the frame body, and the limiting plate is slidably connected inside the limiting hole.

[0008] Further, the top end face of the limiting plate is fixedly connected with the bottom end face of the sliding plate, and the bottom end of the connecting rod is fixedly connected with the top end face of the sliding plate.

[0009] Further, one end of the spring is fixedly connected with the inner top wall of the frame body, and the other end of the spring is fixedly connected with the top end surface of the sliding plate.

[0010] Further, the top of the frame body is symmetrically provided with a sliding hole, and the connecting rod is slidingly inserted into the sliding hole.

[0011] Further, the outer side of the rotating plate is fixedly connected with a hand holding rod, and the hand holding rod is in a cylindrical structure.

[0012] The beneficial effects of the present application are:

[0013] When the adjusting stud needs to be screwed, the hand holding plate is driven to move upwards, the hand holding plate moving upwards drives the sliding plate to move upwards in the frame body, the sliding plate moving upwards extrudes the spring, the spring is contracted due to extrusion, and the sliding plate moving upwards drives the limiting plate to move upwards, so that the limiting plate is moved out of the limiting slot, thereby releasing the limiting of the rotating plate, that is, the rotating plate can be screwed, after the flow adjustment is completed by screwing the rotating plate, the hand holding plate is loosened, at this time, the spring resets to generate a pushing force to move the sliding plate to the original position, the limiting plate is inserted into the corresponding limiting slot, thereby limiting the rotating plate, avoiding the rotation of the adjusting stud due to the misoperation of the process personnel or external reasons, and causing the flow adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application together with the embodiments thereof, and explain the present application, but do not limit the present application.

[0015] In the drawings:

[0016] Figure 1 is a schematic view of the overall structure of the present application;

[0017] Figure 2 is a schematic view of part of the structure of the present application;

[0018] Figure 3 is a partial structure sectional view of the present application.

[0019] Explanation of reference numerals in the drawings:

[0020] 1, flow control device body; 2, rotating plate; 3, limiting slot; 4, limiting plate; 5, frame body; 6, sliding plate; 7, limiting hole; 8, connecting rod; 9, hand holding plate; 10, hand holding rod; 11, sliding hole; 12, spring. DETAILED DESCRIPTION

[0021] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below; obviously, the described embodiments are only part of the embodiments of the present application, and not all the embodiments of the present application; based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection scope of the present application.

[0022] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0024] Embodiment:

[0025] Please refer to Figure 1 , Figure 2 and Figure 3 , the present application discloses a basic chemical flow controller, comprising a flow control device body 1, the flow control device body 1 belongs to prior art, its structure and working principle are referred to the public (announcement) No. CN220930226U, an adjustable chemical raw material flow control device, this paper will not be described in detail; The outer side of the flow control device body 1 is provided with a rotating plate 2, the rotating plate 2 is fixedly connected with the adjusting stud of the flow control device body 1, a plurality of limiting grooves 3 are formed in the outer side of the rotating plate 2, a frame body 5 is fixedly connected to the outer side of the flow control device body 1, a sliding plate 6 is slidingly connected in the inside of the frame body 5, the sliding plate 6 is slidingly connected with the inner wall of the frame body 5, a limiting plate 4 is slidingly connected to the bottom side of the frame body 5, two connecting rods 8 are symmetrically slidingly inserted into the top of the frame body 5, a hand plate 9 is fixedly connected to the top end of the connecting rod 8, the hand plate 9 is used to conveniently drive the two connecting rods 8 to move upward;

[0026] The outer side of the connecting rod 8 is sleeved with a spring 12 in a stretched state. When the adjusting stud needs to be screwed, the hand-held plate 9 is driven to move upward, the sliding plate 6 is driven to move upward in the frame 5, the sliding plate 6 is extruded against the spring 12, the spring 12 is contracted under extrusion, the sliding plate 6 is driven to move upward, the limiting plate 4 is driven to move upward, the limiting plate 4 is moved out of the limiting slot 3, the limiting of the rotating plate 2 is released, the rotating plate 2 can be screwed, the hand-held plate 9 is loosened, the spring 12 is reset to generate a pushing force to move the sliding plate 6 to the original position, the limiting plate 4 is inserted into the corresponding limiting slot 3, the limiting of the rotating plate 2 is completed, and the flow regulation is avoided due to the misoperation of the process personnel or the rotation of the adjusting stud caused by external reasons.

[0027] Please refer to Figure 2 and Figure 3 , a plurality of limiting slots 3 are arranged in a ring array, the bottom end of the limiting plate 4 extends into the limiting slot 3, one end of the spring 12 is fixedly connected with the inner top wall of the frame 5, the other end of the spring 12 is fixedly connected with the top end surface of the sliding plate 6, the top of the frame 5 is symmetrically provided with sliding holes 11, the two sliding holes 11 respectively slide and limit the two connecting rods 8, so that the sliding plate 6 moves stably and linearly, and the connecting rod 8 is slidably inserted into the sliding hole 11.

[0028] Please refer to Figure 2 , the bottom of the frame 5 is provided with a limiting hole 7, the limiting plate 4 is slidably connected in the limiting hole 7, the limiting hole 7 limits the limiting plate 4, so that the limiting plate 4 can move linearly in the limiting hole 7, the top end surface of the limiting plate 4 is fixedly connected with the bottom end surface of the sliding plate 6, the bottom end of the connecting rod 8 is fixedly connected with the top end surface of the sliding plate 6, the outer side of the rotating plate 2 is fixedly connected with a hand-held rod 10, the hand-held rod 10 is in a cylindrical structure, and the hand-held rod 10 is convenient for driving the rotating plate 2 to rotate.

[0029] The implementation principle of the embodiment is that when the adjusting stud needs to be screwed, the hand-held plate 9 is driven to move upward, the sliding plate 6 is driven to move upward in the frame 5, the sliding plate 6 is extruded against the spring 12, the spring 12 is contracted under extrusion, the sliding plate 6 is driven to move upward, the limiting plate 4 is driven to move upward, the limiting plate 4 is moved out of the limiting slot 3, the limiting of the rotating plate 2 is released, the rotating plate 2 can be screwed, the hand-held plate 9 is loosened, the spring 12 is reset to generate a pushing force to move the sliding plate 6 to the original position, the limiting plate 4 is inserted into the corresponding limiting slot 3, the limiting of the rotating plate 2 is completed, and the flow regulation is avoided due to the misoperation of the process personnel or the rotation of the adjusting stud caused by external reasons.

[0030] The above merely provides the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and the application concept of the present application, can make equivalent replacements or changes within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A basic chemical flow controller, comprising a flow control device body (1), characterized in that: A rotating plate (2) is provided on the outside of the main body (1) of the flow control device. Multiple limiting grooves (3) are provided on the outside of the rotating plate (2). A frame (5) is fixedly connected to the outside of the main body (1) of the flow control device. A sliding plate (6) is slidably connected inside the frame (5). A limiting plate (4) is slidably connected to the bottom side of the frame (5). Two connecting rods (8) are symmetrically slidably inserted into the top of the frame (5). A carrying plate (9) is fixedly connected to the top of the connecting rod (8). A spring (12) is sleeved on the outside of the connecting rod (8).

2. The basic chemical flow controller according to claim 1, characterized in that: The multiple limiting grooves (3) are arranged in a ring array, and the bottom end of the limiting plate (4) extends into the interior of the limiting grooves (3).

3. A basic chemical flow controller according to claim 1, characterized in that: The bottom of the frame (5) has a limiting hole (7), and the limiting plate (4) is slidably connected inside the limiting hole (7).

4. A basic chemical flow controller according to claim 1, characterized in that: The top surface of the limiting plate (4) is fixedly connected to the bottom surface of the sliding plate (6), and the bottom end of the connecting rod (8) is fixedly connected to the top surface of the sliding plate (6).

5. A basic chemical flow controller according to claim 1, characterized in that: One end of the spring (12) is fixedly connected to the inner top wall of the frame (5), and the other end of the spring (12) is fixedly connected to the top surface of the sliding plate (6).

6. A basic chemical flow controller according to claim 1, characterized in that: The top of the frame (5) is symmetrically provided with sliding holes (11), and the connecting rod (8) is slidably inserted into the inside of the sliding holes (11).

7. A basic chemical flow controller according to claim 1, characterized in that: A handle (10) is fixedly connected to the outside of the rotating plate (2), and the handle (10) is cylindrical in shape.

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