Dual-control drain valve

Abstract

The utility model relates to the technical field of commercial vehicle braking systems, and discloses a dual-control drain valve which comprises a valve body (1) and an electric control valve core (2) installed in the valve body (1), a water inlet (11) and a water outlet (12) are formed in the valve body (1), and the electric control valve core (2) is in sealing fit with the water outlet (12) and controls opening and closing of the water outlet (12). The valve body (1) is further provided with a side groove (13), a manual pin (3) is movably installed in the side groove (13), and the manual pin (3) stretches out and draws back in the side groove (13) and pushes the electric control valve element (2) to break away from the sealing fit with the water outlet (12). The design and application are innovated, the electric control water drain valve is integrated, an electric control water drain valve control system is enriched, the assembly and use efficiency of the electric control water drain valve is improved, and meanwhile the use safety of the electric control water drain valve is also improved; and in addition, the use efficiency and safety of the commercial vehicle are improved, and high practical value and wide application prospects are achieved.

Description

Technical Field

[0001] This utility model relates to the field of commercial vehicle braking system technology, and in particular to a dual-control drain valve. Background Technology

[0002] Commercial vehicles, such as trucks and buses, play a vital role in modern logistics and public transportation. These vehicles are typically equipped with commercial vehicle braking systems to perform various functions, such as braking control. Within these systems, drain valves are an important component, primarily used to drain water accumulated inside the vehicle, such as in the engine, cooling system, and air conditioning system, preventing this water from damaging the vehicle.

[0003] There are two main solutions in the existing technology: one is a manual drain valve, which requires manual operation to open or close the valve and is mainly used in some older models or specific parts; the other is an electronically controlled drain valve, which is opened or closed by electromagnetic control without manual intervention. This electronically controlled drain valve also has a manual drain function. Both types of drain valves are used as separate units in the control system.

[0004] However, the following problems remain unresolved: ① Individual assembly is cumbersome and inconvenient when there are many units; ② Fault diagnosis requires manual judgment and there are no corresponding monitoring methods; ③ The control system is not flexible enough and lacks programmed control; ④ The manual drainage device is placed below the valve body, and when manually controlled, there is a risk of water flowing onto the operator's hands and clothes, which is unsafe; ⑤ The manual drainage structure only has a switch function, which is relatively simple. Utility Model Content

[0005] This invention addresses the shortcomings of existing technologies by providing a dual-control drain valve.

[0006] To solve the above-mentioned technical problems, the present invention provides a solution through the following technical method:

[0007] A dual-control drain valve includes a valve body and an electrically controlled valve core installed in the valve body. The valve body is provided with an inlet and a drain outlet. The electrically controlled valve core is sealed with the drain outlet and controls the opening and closing of the drain outlet. The valve body is also provided with a side groove. A horizontally arranged manual pin is movably installed in the side groove. The manual pin extends and retracts in the side groove and pushes the electrically controlled valve core to disengage from the sealed engagement with the drain outlet.

[0008] Preferably, the side groove is arranged horizontally, with one end of the side groove located on the outer wall of the valve body and the other end of the side groove connected to the drain outlet; a manual spring is installed inside the side groove, the manual spring is sleeved outside the manual pin, one end of the manual spring contacts and engages with the inner wall of the side groove, and the other end of the manual spring contacts and engages with the manual pin, and the manual pin needs to overcome the elastic force of the manual spring to extend into the drain outlet to push the electric control valve core.

[0009] Preferably, a protruding post is installed in the side groove, and a connecting limiting groove and a positioning groove are provided on the manual pin. The limiting groove extends along the axial direction of the manual pin, the protruding post cooperates with the limiting groove and restricts the rotation of the manual pin during its back-and-forth movement, and the positioning groove is located at the outer end of the limiting groove and is set perpendicular to the limiting groove. The protruding post slides into the positioning groove for positioning by rotating the manual pin.

[0010] Preferably, the width of the positioning groove is 1 to 1.5 times the diameter of the protrusion.

[0011] Preferably, the end of the electric valve core that mates with the drain outlet is provided with a sealing ring. This end of the electric valve core is also provided with a rod extending along the drain outlet. The rod is coaxially arranged with the drain outlet. The manual pin contacts and engages with the rod to push the electric valve core to move. This not only serves a positioning function to prevent the electric valve core from shifting and to ensure a sealed fit between the electric valve core and the drain outlet, but also allows the electric valve core to be pushed upwards by the manual pin and the rod to release its sealed fit with the drain outlet.

[0012] Preferably, a spring is installed inside the valve body, with the spring positioned above the electrically controlled valve core and pushing the valve core downward to press it against the drain outlet.

[0013] Preferably, a coil assembly is installed in the valve body above the drain outlet. The electric valve core is coaxially arranged with the coil assembly. When the coil assembly is energized, the electric valve core is magnetically attracted and moved upward, while overcoming the spring force, thereby opening its sealing fit with the drain outlet.

[0014] Preferably, it also includes a magnetic sleeve and a guide sleeve, which are respectively fitted onto the inner and outer annular surfaces of the coil assembly; the valve body includes an upper valve body and a lower valve body with threaded connection, which enables the inspection and replacement of the internal devices of the valve body and improves the service life.

[0015] Preferably, the valve island seat is also included, which has multiple valve position slots, and multiple valve bodies are arranged on the valve island seat to cooperate with the valve position slots.

[0016] Preferably, the valve island seat is also equipped with a communication module assembly and a PLC controller. The communication module assembly is connected to the PLC controller and receives control signals sent by the PLC controller. The communication module assembly parses the control signals and controls the on / off of the coil assembly to control the movement of the electric valve core.

[0017] This utility model, by adopting the above technical solutions, has significant technical effects: It allows for quick installation and replacement, and the PCBA plug-in design eliminates wiring steps, greatly improving assembly and usage efficiency; the integrated quantity can range from 2 to 24 or 48; it has internal detection sensors for real-time monitoring, significantly improving safety; it can be programmed and controlled using a PLC, with each electrically controlled drain valve being an independent unit, allowing the PLC to issue commands to each valve, enriching the diversity of the control system; the manual drainage device in the electrically controlled drain valve assembly is installed on the side, preventing water from dripping onto the operator's hands or body during operation, greatly improving safety; the electrically controlled drain valve assembly adds a locking function to the traditional functions, locking the manual drainage device by pressing the manual pin and rotating it 90°, allowing the drain valve to continuously drain; the electrically controlled drain valve island is suitable for various commercial vehicles, such as trucks and buses, and its good adaptability and wide application prospects make it highly practical in the field of commercial vehicle technology. This invention not only improves the efficiency of the electrically controlled drain valve but also enhances its operational safety. The application innovates in both design and application, integrating an electrically controlled drain valve, enriching the control system, and improving the assembly and usage efficiency of the valve, while also enhancing its operational safety. Furthermore, it improves the efficiency and safety of commercial vehicles, demonstrating high practical value and broad application prospects. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the valve body of this utility model.

[0020] Figure 3 This is a schematic diagram of the valve body structure when the drainage function of this utility model is turned off.

[0021] Figure 4 This is a schematic diagram of the manual pin of this utility model.

[0022] The parts referred to by the numbers in the attached diagram are as follows: 1—valve body, 2—electric valve core, 3—manual pin, 4—manual spring, 5—protrusion, 6—coil assembly, 7—spring, 8—valve island seat, 9—communication module assembly, 11—water inlet, 12—drain outlet, 13—side groove, 21—sealing ring, 22—rod, 31—limiting groove, 32—positioning groove. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0024] Example 1

[0025] A dual-control drain valve, as shown in the figure, includes a valve body 1 and an electrically controlled valve core 2 installed inside the valve body 1. The valve body 1 is provided with an inlet 11 and a drain outlet 12. The electrically controlled valve core 2 is sealed to the drain outlet 12 and controls the opening and closing of the drain outlet 12. The valve body 1 is also provided with a side groove 13. A horizontally arranged manual pin 3 is movably installed in the side groove 13. The manual pin 3 extends and retracts in the side groove 13 and pushes the electrically controlled valve core 2 to disengage from the sealed engagement with the drain outlet 12.

[0026] The side groove 13 is arranged horizontally, with one end of the side groove 13 located on the outer wall of the valve body 1 and the other end of the side groove 13 connected to the drain port 12. A manual spring 4 is installed inside the side groove 13. The manual spring 4 is sleeved on the manual pin 3. One end of the manual spring 4 is in contact with the inner wall of the side groove 13, and the other end of the manual spring 4 is in contact with the manual pin 3. The manual pin 3 needs to overcome the elastic force of the manual spring 4 to extend into the drain port 12 to push the electric control valve core 2.

[0027] A protruding post 5 is installed inside the side groove 13. The manual pin 3 has a connecting limiting groove 31 and a positioning groove 32. The limiting groove 31 extends axially along the manual pin 3. The protruding post 5 cooperates with the limiting groove 31 and restricts the rotation of the manual pin 3 during its back-and-forth movement. The positioning groove 32 is located at the outer end of the limiting groove 31 and is set perpendicular to the limiting groove 31. The protruding post 5 slides into the positioning groove 32 for positioning by rotating the manual pin 3. The limiting groove 31 is a long groove, and the positioning groove 32 is a short groove. The extendable length of the manual pin 3 is the width of the limiting groove 31. When the manual pin 3 extends to the innermost part and pushes up the electric valve core 2, the manual pin is rotated 90°. At this time, the protruding post 5 slides into the positioning groove 32 for locking. At this time, the drainage state is maintained without external force.

[0028] Example 2

[0029] Similar to Example 1, except that the width of the positioning groove 32 is 1 to 1.5 times the diameter of the protrusion 5.

[0030] Example 3

[0031] Similar to Embodiment 1, the difference is that the end of the electric valve core 2 that mates with the drain outlet 12 is provided with a sealing ring 21, and this end of the electric valve core 2 is also provided with a rod 22 extending along the drain outlet 12. The rod 22 is coaxially arranged with the drain outlet 12. The manual pin 3 contacts and engages with the rod 22 to push the electric valve core 2 to move. This not only serves to position the electric valve core 2 and prevent it from shifting, ensuring the sealing fit between the electric valve core 2 and the drain outlet 12, but also allows the manual pin 3 to push the electric valve core 2 upward through the engagement with the rod 22 and release its sealing fit with the drain outlet 12.

[0032] A spring 7 is installed inside the valve body 1. The spring 7 is located above the electrically controlled valve core 2 and pushes the electrically controlled valve core 2 downward to press it against the drain port 12. One end of the spring 7 contacts the inner wall of the valve body 1, and the other end of the spring 7 contacts the electrically controlled valve core 2. The electrically controlled valve core 2 is pushed down by the spring 7 and pressed against the drain port 12 to form a sealing fit.

[0033] A coil assembly 6 is installed inside the valve body 1 above the drain outlet 12. The electric valve core 2 is coaxially arranged with the coil assembly 6. When the coil assembly 6 is energized, the electric valve core 2 is magnetically attracted and moved upward, and at the same time overcomes the elastic force of the spring 7, thereby opening its sealing fit with the drain outlet 12.

[0034] Example 4

[0035] Similar to Embodiment 1, but with the addition of a magnetic sleeve and a guide sleeve, which are respectively fitted onto the inner and outer annular surfaces of the coil assembly 6; the valve body 1 includes an upper valve body and a lower valve body connected by threads, which enables the maintenance and replacement of the internal devices of the valve body 1 through the threaded connection, thereby improving its service life.

[0036] Example 5

[0037] Similar to Embodiment 1, but with the difference that it also includes a valve island seat 8, which has multiple valve position slots, and multiple valve bodies 1 that cooperate with the valve position slots and are arranged on the valve island seat 8.

[0038] The valve island seat 8 is also equipped with a communication module component 9, which also includes a PLC controller. The communication module component 9 is connected to the PLC controller and receives control signals sent by the PLC controller. The communication module component 9 analyzes the control signals and controls the on and off of the coil component 6 to control the movement of the electric valve core 2.

[0039] First, select the required number of electrically controlled drain valve components and the corresponding length of valve island seats 8 according to the requirements. Then, use screws to install the electrically controlled drain valves sequentially onto the valve island seats 8. Next, install the corresponding communication module component 9. Finally, use screws to fix the valve island seats 8 and use air pipes or metal pipes to connect the electrically controlled drain valve components to the water inlet 11 to complete the installation of the electrically controlled drain valve island. After installation, connect the PLC controller to the communication module component 9, and then program the PLC controller via PC to achieve programmed control of the corresponding electrically controlled drain valve. The valve island seat 8 has a monitoring function; a water level monitoring sensor is installed at the bottom of the valve island seat 8. When the water level reaches the set value, an alarm can be triggered or automatic power can be switched on to drain the water.

[0040] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the patent of the present utility model.

Claims

1. A dual-control drain valve, comprising a valve body (1) and an electrically controlled valve core (2) installed within the valve body (1), characterized in that: The valve body (1) is provided with an inlet (11) and a drain (12). The electric control valve core (2) is sealed with the drain (12) and controls the opening and closing of the drain (12). The valve body (1) is also provided with a side groove (13). A manual pin (3) is movably installed in the side groove (13). The manual pin (3) extends and retracts in the side groove (13) and pushes the electric control valve core (2) to disengage from the sealed fit with the drain (12).

2. The drain valve with dual control according to claim 1, characterized in that: The side groove (13) is arranged horizontally. One end of the side groove (13) is located on the outer wall of the valve body (1), and the other end of the side groove (13) is connected to the drain port (12). A manual spring (4) is installed in the side groove (13). The manual spring (4) is sleeved on the outside of the manual pin (3). One end of the manual spring (4) is in contact with the inner wall of the side groove (13), and the other end of the manual spring (4) is in contact with the manual pin (3).

3. The drain valve with dual control according to claim 1, characterized in that: A protruding post (5) is installed in the side groove (13). The manual pin (3) is provided with a connecting limiting groove (31) and a positioning groove (32). The limiting groove (31) extends along the axial direction of the manual pin (3). The protruding post (5) cooperates with the limiting groove (31) and restricts the rotation of the manual pin (3) during its back-and-forth movement. The positioning groove (32) is located at the outer end of the limiting groove (31) and is set perpendicular to the limiting groove (31). The protruding post (5) slides into the positioning groove (32) for positioning by rotating the manual pin (3).

4. The drain valve with dual control according to any one of claims 1 or 3, characterized in that: The width of the positioning groove (32) is 1 to 1.5 times the diameter of the protrusion (5).

5. A dual-control drain valve according to claim 1, characterized in that: The end of the electric valve core (2) that cooperates with the drain port (12) is provided with a sealing ring (21). The end of the electric valve core (2) is also provided with a rod (22) extending along the drain port (12). The rod (22) is coaxially arranged with the drain port (12). The manual pin (3) contacts and cooperates with the rod (22) and pushes the electric valve core (2) to move.

6. A dual-control drain valve according to claim 1, characterized in that: A spring (7) is installed inside the valve body (1). The spring (7) is located above the electric control valve core (2) and pushes the electric control valve core (2) downward to press it against the drain port (12).

7. A dual-control drain valve according to claim 1, characterized in that: A coil assembly (6) is installed inside the valve body (1) above the drain outlet (12), and the electric control valve core (2) is coaxially arranged with the coil assembly (6).

8. A dual-control drain valve according to claim 7, characterized in that: It also includes a magnetic sleeve and a guide sleeve, which are respectively fitted on the inner and outer ring surfaces of the coil assembly (6).

9. A dual-control drain valve according to claim 1, characterized in that: It also includes a valve island seat (8), which has multiple valve position slots. The valve body (1) has multiple valve position slots and is arranged on the valve island seat (8) in conjunction with the valve position slots.

10. A dual-control drain valve according to claim 9, characterized in that: The valve island seat (8) is also equipped with a communication module component (9) and a PLC controller. The communication module component (9) is connected to the PLC controller and receives control signals sent by the PLC controller. The communication module component (9) parses the control signals and controls the movement of the electric valve core (2).

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