Pool overflow limit control device
By combining a support mechanism, a float, and a limit switch, the problems of complexity and high cost of existing water level control devices are solved, achieving simple and efficient water level control, avoiding safety accidents, and reducing costs.
Patent Information
- Application Number
- CN202520821474.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-28
AI Technical Summary
Existing water level control devices are complex in structure, have many parts, are costly, and are cumbersome to install, making water leakage difficult to avoid and easily leading to safety accidents.
It adopts a combination of support mechanism, float, limit switch and electrical control system. The float monitors water level changes and the water pump is started by the rotation of the balance frame to sense the limit switch. It has a simple structure, few parts and low cost.
It achieves simple and efficient water level control, avoids safety accidents, reduces installation and maintenance costs, and improves the reliability of the device.
Smart Images
Figure CN223908356U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water level control technical field especially relates to a kind of automatic drainage control device mainly for the waterlogging of foundry water pump house pit. BACKGROUND
[0002] Many occasions need to control water level to prevent water level from being too high to cause accident.For example, although foundry workshop water pump house is provided with water pump to drain water, with the continuous increase of production task, the operation rate of water pump is also relatively high, and water pump can produce different degrees of leakage problem after long time use, therefore, waterlogging in pit needs to be manually enabled by water pump worker to pump out. This leads to inevitable leakage phenomenon, and in view of the factors such as serious leakage and personnel negligence, it is easy to cause waterlogging to submerge motor and burn motor of major safety equipment, which can cause major safety production accident of non-planned shutdown of foundry production line, and excessive waterlogging can also cause major safety hazard of foundation subsidence. Although many devices capable of automatically monitoring water level and realizing automatic control drainage exist at present, the structure of the devices is relatively complex, there are many parts, the cost is high, and the installation and application are cumbersome. SUMMARY
[0003] The utility model provides a water pool overflow limit control device with simple structure, convenience, practicality, few parts and low cost in view of the defects of prior art.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a water pool overflow limit control device, which comprises a supporting mechanism, a floating ball, a limit switch and an electric control system, the floating ball and the limit switch are installed on the supporting mechanism, the limit switch is connected to the electric control system, and the electric control system is connected to a water pump for pumping water; the supporting mechanism comprises a supporting rod, a boom and a balance frame, the supporting rod is used to be installed on the ground or the wall surface, the boom and the balance frame are movably installed on the supporting rod to form a structure that can rotate left and right, the balance frame extends to both sides, the floating ball is installed on one side by a hanging rope, the weight of the side of the balance frame without the floating ball is greater than that of the side with the floating ball, and the left and right sides of the balance frame are balanced by the weight of the naturally hanging floating ball; the limit switch is installed on the boom and close to the side of the balance frame without the floating ball, and the balance frame rotates towards the limit switch and triggers the electric control system to start the water pump by sensing the limit switch.
[0005] Further, the balance frame has a "person" shape structure, which comprises a left arm and a right arm, the top of the balance frame and the top of the boom are coaxially installed on the top of the supporting rod through shaft pin, and the balance frame and the boom naturally hang down.
[0006] Further, the left arm of the balance frame is heavier than the right arm, the float ball is hung at the end of the right arm by a hanging rope, and the limit switch is installed on the hanging rod near the left arm of the balance frame.
[0007] Further, the installation rod is provided on the hanging rod and extends leftward, the installation hole is provided in the installation rod, the limit switch is installed in the installation hole, and the limit switch is inductively triggered by rotating the balance frame leftward until the left arm is opposite to the limit switch.
[0008] Further, the trigger head is arranged at the end of the left arm, the weight of the trigger head and the left arm is greater than that of the right arm, and the limit switch is inductively triggered by rotating the balance frame leftward until the trigger head is opposite to the limit switch.
[0009] Further, the balance frame is installed on the shaft pin through the bearing, and the hanging rod is located in front of the balance frame and is locked by being screwed on the shaft pin through the nut.
[0010] As preferred, the hollow structure is arranged in the left arm and the right arm.
[0011] As preferred, the float ball is a hollow stainless steel float ball.
[0012] The utility model discloses a water level monitoring device, which comprises a support rod, a hanging rod, a float ball and a limit switch. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is an overall structure schematic view of the utility model;
[0014] Figure 2 It is another overall structure schematic view of the utility model from another angle;
[0015] Figure 3 It is a top view schematic view of the utility model;
[0016] Figure 4 It is a schematic view of the change state of the utility model along with the water surface line rising.
[0017] In the drawings, 1 is a support rod, 2 is a hanging rod, 21 is an installation rod, 22 is an installation hole, 31 is a left arm, 32 is a right arm, 33 is a trigger head, 4 is a hanging rope, 5 is a float ball, 6 is a limit switch, 7 is a shaft pin, 8 is a nut, and 9 is a bearing. DETAILED DESCRIPTION
[0018] In the embodiment, refer to Figures 1-4The pool overflow limiting control device comprises a supporting mechanism, a floating ball 5, a limiting switch 6 and an electric control system (not shown), the floating ball 5 and the limiting switch 6 are installed on the supporting mechanism, the limiting switch 6 is connected with the electric control system, and the electric control system is connected with a water pump (not shown) for pumping water; the supporting mechanism comprises a supporting rod 1, a boom 2 and a balance frame 3, the supporting rod 1 is used for being installed on a wall (or ground) of a foundry water pump house, the boom 2 and the balance frame 3 are movably installed on the supporting rod 1 to form a structure capable of rotating left and right, so that the boom 2 can keep in a vertical state; the balance frame 3 extends to two sides, the floating ball 5 is installed on one side of the balance frame 3 through a hanging rope 4, the weight of the side of the balance frame 3 without the floating ball 5 is greater than that of the side with the floating ball 5, the left and right sides of the balance frame 3 are balanced through the weight of the floating ball 5 naturally hanging down, once the floating ball 5 moves upward or downward, the balance frame 3 will rotate due to the loss of balance; the limiting switch 6 is installed on the boom 2 and close to the side of the balance frame 3 without the floating ball 5, the balance frame 3 rotates towards the limiting switch 5 and triggers the electric control system to start the water pump by sensing the limiting switch 6.
[0019] The balance frame 3 has a "person" shape structure, which comprises a left arm 31 and a right arm 32, the top of the balance frame 3 is coaxially installed with the top of the boom 2 on the top of the supporting rod 1 through a shaft pin 7, and the balance frame 3 and the boom 2 naturally hang down.
[0020] The weight of the left arm 31 of the balance frame 3 is greater than that of the right arm 32, the floating ball 5 is hung at the end of the right arm 32 through the hanging rope 4, and the limiting switch 6 is installed on the boom 2 and close to the left arm 31 of the balance frame 3.
[0021] The mounting rod 21 extending to the left is arranged on the boom 2, the mounting hole 22 is arranged in the mounting rod 21, the limiting switch 6 is installed in the mounting hole 22 and can be adjusted in the mounting hole 22, the limiting switch 6 is inducted and triggered by the balance frame 3 rotating to the left to the left arm 31 opposite to the limiting switch 6.
[0022] The trigger head 33 is arranged at the end of the left arm 31, the weight of the trigger head 33 plus the weight of the left arm 31 is greater than that of the right arm 32, and the limiting switch 6 is inducted and triggered by the balance frame 3 rotating to the left to the trigger head 33 opposite to the limiting switch 5.
[0023] The balance frame 3 is installed on the shaft pin 7 through the bearing 9, the boom 2 is located in front of the balance frame 3, and the boom 2 is locked by being screwed on the shaft pin 7 through the nut 8 in front of the boom 2.
[0024] The left arm 31 and the right arm 32 are provided with hollow structures, so that the material usage can be reduced, thereby reducing the weight and cost.
[0025] The floating ball 5 adopts a hollow stainless steel floating ball, which has the function of preventing rust.
[0026] When the water level does not reach the position of the float ball 5, the whole device remains balanced and the water pump is not started. When the water level reaches the position of the float ball 5 and continues to rise, the float ball 5 also rises. Because the overall weight of the left arm 31 is greater than the weight of the right arm 32, as the float ball 5 rises, the balance frame 3 cannot continue to remain balanced and rotates to the left until the water level rises to trigger the head 33 to rotate to the front and back of the limit switch, at which time the limit switch is inductively triggered, and the trigger signal is transmitted to the electric control system, and the electric control system controls the water pump to start pumping. When the water level drops to the set height, the electric control system controls the water pump to stop working. It should be noted that the inductive triggering technology of the limit switch 6 and the electrical control technology of the electric control system are both prior art, and will not be described here.
[0027] The above has made a detailed description of the present application, the above is only a preferred embodiment of the present application, which cannot limit the scope of the present application, that is, any equivalent changes and modifications made within the scope of the present application should still be included in the scope of the present application.
Claims
1. A water tank overflow limit control device, comprising a support mechanism, a float, a limit switch, and an electrical control system, wherein the float and the limit switch are mounted on the support mechanism, the limit switch is connected to the electrical control system, and the electrical control system is connected to a water pump for pumping water, characterized in that: The support mechanism comprises a support rod, a boom and a balance frame, the support rod is used to be installed on the ground or wall, the boom and the balance frame are movably installed on the support rod to form a left-right rotatable structure; the balance frame extends to two sides, a floating ball is installed on one side of the balance frame through a hanging rope, the weight of the side of the balance frame without the floating ball is greater than that of the side with the floating ball, the left and right sides of the balance frame are balanced by the weight of the floating ball naturally hanging down; a limit switch is installed on the boom and close to the side of the balance frame without the floating ball, the electric control system is triggered to start the water pump by the rotation of the balance frame towards the limit switch and the sensing of the limit switch.
2. The sump overflow limit control device of claim 1, wherein: The balance frame is in a "H" shape structure, which comprises a left arm and a right arm, the top of the balance frame is coaxially installed on the top of the support rod through a shaft pin, and the balance frame and the boom are naturally hanging down.
3. The sump overflow limit control device of claim 2, wherein: The weight of the left arm of the balance frame is greater than that of the right arm, and the floating ball is hung at the end of the right arm through a hanging rope, and the limit switch is installed on the boom close to the left arm of the balance frame.
4. The sump overflow limit control device of claim 3, wherein: An installation rod extending to the left is arranged on the boom, an installation hole is arranged in the installation rod, and the limit switch is installed in the installation hole, the limit switch is inductively triggered by the rotation of the balance frame to the left until the left arm is opposite to the limit switch.
5. A sump overflow limit control device according to any one of claims 2 to 4 wherein: A trigger head is arranged at the end of the left arm, the weight of the trigger head plus the left arm is greater than that of the right arm, and the limit switch is inductively triggered by the rotation of the balance frame to the left until the trigger head is opposite to the limit switch.
6. The sump overflow limit control device of claim 1, wherein: The balance frame is installed on the shaft pin through a bearing, the boom is in front of the balance frame, and the boom is locked by a nut screwed on the shaft pin in front of the boom.
7. The sump overflow limit control device of claim 3, wherein: The left arm and the right arm are both provided with a hollow structure.
8. The sump overflow limit control device of claim 1, wherein: The floating ball is a hollow stainless steel floating ball.