Manual knob device for a chemical delivery apparatus

Abstract

The utility model discloses a manual knob device for chemical conveying equipment, specifically relates to chemical conveying equipment technical field, including the shell panel, the shell panel inside fixedly connected with the drawer box, the drawer box inboard fixedly connected with two slide rail fixed plate, and the first slide rail is fixedly connected to one side of slide rail fixed plate, and the drawer box inboard is provided with the drawer, and the inside installation of drawer has the knob assembly, the knob assembly includes the knob disc, and the knob disc is installed in the drawer inboard, and the key switch is installed to the knob disc top, and the knob disc top is provided with the automatic mode pilot lamp and manual mode pilot lamp. The utility model discloses through setting knob assembly, compared with prior art, can adopt the mode of manual knob to control the start -stop of pump and valve when PLC is down, maintains normal supply in short time, does not influence the follow -up production, and utilizes the linkage of key switch and mode pilot lamp, and the knob is not moved under automatic mode, prevents the accident caused by misoperation.

Description

Technical Field

[0001] This utility model relates to the field of chemical conveying equipment technology, and more specifically, to a manual toggle device for chemical conveying equipment. Background Technology

[0002] Chemicals refer to pure substances and mixtures composed of various elements. Chemical conveying equipment is a device that facilitates the transportation of chemicals. Chemical conveying equipment uses PLC to process data and controls the start and stop of pumps and valves inside the equipment through imported programs to achieve the function of chemical transportation.

[0003] In actual use, if the PLC malfunctions or the program has a bug that causes it to crash, the chemical conveying equipment will stop supplying chemicals, which will affect subsequent production. Currently, many chemical conveying equipment manufacturers have overlooked this potential risk. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a manual toggle device for chemical conveying equipment to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A manual toggle device for a chemical conveying equipment includes a housing panel, a drawer box fixedly connected inside the housing panel, two slide rail fixing plates fixedly connected inside the drawer box, a first slide rail fixedly connected to one side of each slide rail fixing plate, a drawer provided inside the drawer box, and a toggle assembly installed inside the drawer.

[0007] The toggle assembly includes a toggle panel installed inside the drawer. A key switch is mounted on the top of the toggle panel. An automatic mode indicator and a manual mode indicator are located on the top of the toggle panel. The manual mode indicator is located next to the automatic mode indicator. Multiple toggle buttons are located on the top of the toggle panel. The toggle panel is made of PVC and is off-white in color. A cover is mounted on the top of the drawer box. A baffle plate is fixedly connected to the top of the drawer box. A baffle is welded to the upper surface of the drawer box. The cover is made of transparent PVC. A door lock is located on the front of the drawer. Second slide rails are fixedly connected to both sides of the drawer, and the second slide rails are slidably connected to the first slide rail.

[0008] By adopting the above technical solution—using a key switch in conjunction with a mode indicator light—accidental touches can be further avoided, ensuring system safety.

[0009] As a further description of the above technical solution: the drawer box and the outer shell panel are welded together by PP welding rods. The outer shell panel and the drawer box are both made of PP and are welded from PP sheets. The toggle switch is made of PVC and has pre-drilled fixing holes around its perimeter. The center has pre-drilled mounting holes for a key switch, an automatic mode indicator light, a manual mode indicator light, and a toggle switch. The drawer is made of PP and is welded from PP sheets. The front of the drawer has a pre-drilled door lock mounting hole, the left and right sides have pre-drilled threaded holes for fixing the slide rails, and the top surface has pre-drilled threaded holes for fixing the toggle switch. The slide rail fixing plate and the baffle fixing plate are both made of PP and both have pre-drilled threaded fixing holes.

[0010] By adopting the above technical solution, the drawer-concealed design occupies little space on the outer panel and effectively avoids accidental touch and misoperation, thus improving the safety of equipment use.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] 1. By setting up a toggle switch assembly, compared with the existing technology, the pump and valve can be started and stopped manually when the PLC stops, maintaining normal supply for a short time without affecting subsequent production. The key switch is linked with the mode indicator light. In automatic mode, the toggle switch will not move, preventing accidents caused by misoperation.

[0013] 2. By setting up drawer boxes, drawers, and door locks, compared with existing technologies, the hidden drawer design and door locks not only occupy less space on the outer panel, but also prevent accidental touches and misoperations by personnel, thus having the advantage of high security and increasing the safety of equipment use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the front view structure of the outer shell panel of this utility model.

[0016] Figure 3 This is an exploded view of the overall structure of this utility model.

[0017] Figure 4 This is a cross-sectional view of the drawer box of this utility model.

[0018] The attached diagram is labeled as follows: 1. Outer panel; 2. Drawer box; 3. First slide rail; 4. Drawer; 5. Door lock; 6. Toggle switch; 7. Key switch; 8. Automatic mode indicator light; 9. Manual mode indicator light; 10. Toggle switch; 11. Cover plate; 12. Slide rail fixing plate; 13. Baffle fixing plate; 14. Baffle; 15. Second slide rail. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] The embodiments disclosed in this application are as follows: Figure 1-4 The manual toggle device for a chemical conveying equipment shown includes an outer panel 1, a drawer box 2 fixedly connected inside the outer panel 1, two slide rail fixing plates 12 fixedly connected inside the drawer box 2, a first slide rail 3 fixedly connected to one side of the slide rail fixing plate 12, a drawer 4 provided inside the drawer box 2, and a toggle assembly installed inside the drawer 4.

[0021] The toggle assembly includes a toggle panel 6, which is installed inside the drawer 4. A key switch 7 is installed on the top of the toggle panel 6. An automatic mode indicator light 8 and a manual mode indicator light 9 are located on the top of the toggle panel 6. The manual mode indicator light 9 is located to the side of the automatic mode indicator light 8. Multiple toggles 10 are located on the top of the toggle panel 6. The toggle panel 6 is made of PVC and is off-white in color. A cover plate 11 is installed on the top of the drawer box 2. A baffle plate 13 is fixedly connected to the top of the drawer box 2. A baffle plate 14 is welded to the upper surface of the drawer box 2. The cover plate 11 is made of transparent PVC. The front of the drawer 4 is equipped with... The system is equipped with a door lock 5 and drawers 4. Both sides of the drawer 4 are fixedly connected to second slide rails 15, which are slidably connected to the first slide rail 3. The system is operated by a key switch in conjunction with mode indicator lights. When the key switch 7 is switched to automatic mode, the automatic mode indicator light 8 lights up. At this time, the chemical conveying equipment is controlled by the PLC, and no action is produced when the toggle switch 10 is turned. When the key switch 7 is switched to manual mode, the manual mode indicator light 9 lights up. At this time, the chemical conveying equipment is controlled by the toggle switch 6, and a corresponding action is produced when the toggle switch 10 is turned. This system can prevent accidents caused by misoperation and ensure the safety of the system.

[0022] Reference Figure 3As shown, drawer box 2 and outer shell panel 1 are welded together using PP welding rods. Both outer shell panel 1 and drawer box 2 are made of PP and are welded from PP sheets. The toggle switch 6 is made of PVC and has pre-drilled fixing holes around its perimeter. The center has pre-drilled mounting holes for a key switch, automatic mode indicator light, manual mode indicator light, and the toggle switch. Drawer 4 is made of PP and is welded from PP sheets. The front of the drawer has pre-drilled holes for a door lock, and the left and right sides have pre-drilled threaded holes for fixing the slide rails. The top surface has pre-drilled threaded holes for fixing the toggle switch. The slide rail fixing plate 12 and the baffle fixing plate 13 are both made of PP and are... The device features pre-drilled threaded fixing holes. The toggle panel 6 is made of PVC and is milky white in color. The panel is designed according to the equipment's functions, with different colors used to mark the pipelines for different functions. This makes the panel clear, aesthetically pleasing, and easy to operate. Operators can quickly identify and operate the corresponding toggle buttons, improving work efficiency. The cover 11 is made of transparent PVC, making it easy to observe the status of the toggle panel from the control room. It also prevents accidental button touches during operation and inspection from the control room, increasing safety. Furthermore, the drawer-style concealed design reduces accidental touches and misoperations, offering a high level of safety.

[0023] Working principle of this utility model: This utility model designs a manual toggle device for chemical conveying equipment, the specific structure of which is shown in the attached instruction manual. Figure 1-4 As shown, in this technical solution, through the cooperation between various structures, when in use, the door lock is first fixed on the drawer, the baffle 14 is fixed on the baffle fixing plate 13, then the key switch 7, automatic mode indicator 8, manual mode indicator 9 and dial 10 are installed on the dial plate 6 and a sufficiently long wire is reserved, then the dial plate 6 is installed on the drawer 4, and each wire is connected to the corresponding terminal and solenoid valve contact, and finally the cover plate 11 is fixed on the drawer box 2;

[0024] When the key switch is turned to automatic mode, the automatic mode indicator 8 lights up. At this time, the chemical conveying equipment is controlled by the PLC. Turning the dial 10 will not produce any action, ensuring the normal operation of the system. When the PLC malfunctions or a program bug causes a system crash, turn the key switch 7 to manual mode. The manual mode indicator 9 lights up. Use the key to unlock the door lock 5, and the baffle 14 can be released. The drawer 4 can be pulled out by sliding connection between the first and second slide rails, so that the drawer 4 can drive the dial 6 to be fully exposed. The operator can turn the corresponding dial 10 as needed. At this time, the chemical conveying equipment is controlled by the dial 6. By turning the dial 10, the corresponding solenoid valve will be triggered. Each dial corresponds to a pump or valve. After turning, the relay or solenoid valve is directly triggered through hard wiring, bypassing the PLC system, thereby controlling the start and stop of the pump and valve. The start and stop of the pump and valve can be manually controlled to maintain the normal supply of chemicals for a short period of time.

[0025] In the accompanying drawings of the embodiments disclosed in this utility model, only the structures involved in the embodiments of this utility model are shown. Other structures can be referred to with ordinary design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0026] All contents not described in detail in the specification are existing technologies known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used. Electrical control components not mentioned in this technical solution are existing technologies and are therefore not shown in the figures and will not be described here.

[0027] In conclusion, the above are merely preferred embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A manual toggle device for a chemical conveying equipment, comprising a housing panel (1), characterized in that: A drawer box (2) is fixedly connected inside the outer panel (1). Two slide rail fixing plates (12) are fixedly connected inside the drawer box (2). A first slide rail (3) is fixedly connected to one side of the slide rail fixing plate (12). A drawer (4) is provided inside the drawer box (2). A toggle assembly is installed inside the drawer (4). The toggle assembly includes a toggle panel (6), which is installed inside the drawer (4). A key switch (7) is installed on the top of the toggle panel (6). An automatic mode indicator light (8) and a manual mode indicator light (9) are provided on the top of the toggle panel (6). The manual mode indicator light (9) is installed on one side of the automatic mode indicator light (8). Multiple toggle buttons (10) are provided on the top of the toggle panel (6). The toggle panel (6) is made of PVC and is milky white in color.

2. The manual toggle device for chemical conveying equipment according to claim 1, characterized in that: The drawer box (2) is equipped with a cover plate (11) at the top, and a baffle plate (13) is fixedly connected to the top of the drawer box (2). A baffle plate (14) is welded to the upper surface of the drawer box (2). The cover plate (11) is made of transparent PVC.

3. The manual toggle device for chemical conveying equipment according to claim 1, characterized in that: A door lock (5) is provided on the front side of the drawer (4), and a second slide rail (15) is fixedly connected to both sides of the drawer (4). The second slide rail (15) is slidably connected to the first slide rail (3).

4. The manual toggle device for chemical conveying equipment according to claim 1, characterized in that: The drawer box (2) and the outer shell panel (1) are welded together by PP welding rods. Both the outer shell panel (1) and the drawer box (2) are made of PP and are welded from PP sheets.

5. The manual toggle device for chemical conveying equipment according to claim 1, characterized in that: The dial (6) is made of PVC, with pre-drilled fixing holes around its perimeter and pre-drilled mounting holes for a key switch, an automatic mode indicator light, a manual mode indicator light, and a dial.

6. The manual toggle device for chemical conveying equipment according to claim 1, characterized in that: The drawer (4) is made of PP and is welded from PP sheet. The front of the drawer has a door lock installation hole, the left and right sides have threaded holes for fixing the slide rail, and the top surface has threaded holes for fixing the toggle plate.

7. The manual toggle device for chemical conveying equipment according to claim 1, characterized in that: The slide rail fixing plate (12) and the baffle fixing plate (13) are both made of PP and both have threaded fixing holes.

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