Automatic liquid level control device

Abstract

The utility model relates to the technical field of automatic liquid level control, in particular to an automatic liquid level control device. Comprising a liquid pump module, a water tank and a control box, the side, corresponding to the inner wall of the water tank, of the liquid pump module fixedly communicates with a water outlet pipe, a water level control module and an oil level control module are arranged in the control box, the control box is electrically connected with the liquid pump module, and an adjusting device is arranged at the position, corresponding to the water tank, of the surface of the liquid pump module. The adjusting device comprises a mounting frame and a limiting assembly, the bottom face of one end of the mounting frame is fixedly connected with the surface of the side wall of the liquid pump module, a sliding frame is fixedly connected to the position, corresponding to the water tank, of the lower surface of the mounting frame, a pulley is rotationally connected to the inner wall of the sliding frame, and a pull rope is slidably connected to the arc face of the pulley. The two ends of the pull rope are fixedly connected with a spring and a floating ball respectively. The automatic liquid level control device provided by the utility model has the advantage that the water outlet liquid level of the water pump can be conveniently and automatically regulated and controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level automatic control technical field especially relates to a liquid level automatic control device. BACKGROUND

[0002] The working principle of the liquid level automatic control device is generally to monitor the height of the liquid and automatically start or stop the work of the pump according to the preset liquid level requirement to realize the automatic adjustment of the liquid level. The liquid level control device usually includes a pump, which is responsible for pumping or injecting water to ensure that the liquid can enter or discharge the tank. The tank contains the liquid and has a space for the change of the liquid level, which is relatively common in daily life.

[0003] The prior art such as the utility model with announcement number CN218003987U discloses a liquid level automatic control device. The patent includes a tank and a pump. The input end of the pump is connected with a water guide pipe. The output end of the pump is connected with a water inlet pipe. The other end of the water inlet pipe is connected with one side of the top of the tank. One side of the bottom of the tank is connected with a drain pipe. The top of the tank is connected with a through hole. A sealing plug matched with the through hole is movably connected in the through hole. A threaded rod is connected in the sealing plug through threads. A knob is connected with the top of the threaded rod through threads. The knob is rotationally connected with the sealing plug. The bottom end of the threaded rod is connected with a pull rope. The other end of the pull rope is connected with an adapter. The adapter is rotationally connected with a counterweight. The top of the pull rope is detachably connected with a first limiting block. The bottom of the pull rope is detachably connected with a second limiting block. The utility model has the advantages of simple structure, easy installation and convenient two-point automatic control of the liquid level compared with the prior art.

[0004] In daily life, it is found that during the operation and use of the water pump, the liquid level of the water pump cannot be automatically controlled, and it is necessary to rely on the on-duty staff and manually operate to stop and start the water pump, so as to realize the high and low liquid level, especially the regulation and control of the water level in the underground water sump, thereby causing the problem of inconvenient and convenient operation and use of the water pump. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art that during the operation and use of the water pump, the liquid level of the water pump cannot be automatically controlled, and it is necessary to rely on the on-duty staff and manually operate to stop and start the water pump, so as to realize the high and low liquid level, especially the regulation and control of the water level in the underground water sump, thereby causing the problem of inconvenient and convenient operation and use of the water pump.

[0006] The utility model provides a kind of liquid level automatic control device to solve the above technical problems, comprising: liquid pump module, water tank, control box, the inner wall side of liquid pump module corresponding water tank is fixedly connected with water outlet pipe, the inside of control box includes water level control module and oil level control module, the control box is electrically connected with liquid pump module, adjusting device is provided on the position of the surface of liquid pump module corresponding water tank, the adjusting device includes mounting bracket and limiting component, the bottom surface of one end of mounting bracket is fixedly connected with the lateral wall surface of liquid pump module, sliding frame is fixedly connected with the position of water tank on the lower surface of mounting bracket, the inner wall of sliding frame is rotatably connected with pulley, the arc surface of pulley is slidably connected with pull cord, the both ends of pull cord are fixedly connected with spring and float ball respectively, the inner wall bottom surface of water tank is located float ball, the end of spring away from pull cord is fixedly connected with metal slide piece by limiting component, slide bar is slidably penetrated on the surface both sides of metal slide piece, the one end of two slide bars is fixedly connected with same auxiliary frame, the surface of one end of auxiliary frame is fixedly connected with mounting bracket, proximity switch is provided on the position of the surface of control box corresponding metal slide piece, the proximity switch includes inductive proximity sensor and inductive processor.

[0007] The above components achieve the following effects: during operation of the water pump, to facilitate automatic control of the liquid level in the water tank, the adjusting device can be operated to drive the pull cord, spring and metal slide piece to move, thereby causing the proximity switch provided on the surface of the control box to lose power or gain power, which helps to quickly start and stop the water pump module.

[0008] Preferably, a guide frame is fixedly connected to one side surface of the sliding frame, and the inner wall of the guide frame slidably penetrates the pull cord.

[0009] The above components achieve the following effects: the guide frame can guide and protect the sliding position of the pull cord to prevent it from falling off.

[0010] Preferably, a protective ring is fixedly connected to the inner wall of the guide frame, the protective ring is a silica gel ring, and the inner wall surface of the protective ring slidably connects the surface of the pull cord.

[0011] The above components achieve the following effects: the protective ring made of silica gel can protect the pull cord during movement to prevent the inner wall of the guide frame from wearing the pull cord.

[0012] Preferably, the float ball is a stainless steel ball, and the inner wall cross section of the float ball is hollow.

[0013] The above components achieve the following effects: the hollow float ball made of stainless steel has good corrosion resistance and can be operated for a long time.

[0014] Preferably, the spring is a high-carbon steel spring, and the length of the spring is adapted to the length of the slide rod.

[0015] The spring made of high-carbon steel has strong deformation resistance.

[0016] Preferably, the limiting assembly includes two positioning columns fixedly connected to the two sides of the surface of the metal slide, an arc surface of each of the two positioning columns is inserted with a same positioning plate, the surface of the positioning plate is fixedly connected to one end of the spring, and an arc surface of the positioning column is threadedly connected with a positioning shaft.

[0017] The limiting assembly can be used to replace and fix the pull rope and the spring after long-time use of the pull rope and the spring.

[0018] Preferably, the arc surface of the positioning column is sleeved with a protective ring, and the surface of the protective ring is abutted with the lower surface of the positioning shaft.

[0019] The protective ring can be used to protect the positioning shaft from loosening and falling off when the positioning shaft is extruded and limited.

[0020] Compared with the related art, the liquid level automatic control device has the following beneficial effects:

[0021] The liquid level automatic control device is operated by the adjusting device, the position of the floating ball is moved up and down, the pull rope is moved by the floating ball and the pulley arc surface, the pull rope drives the spring to stretch, the slide rod arc surface metal slide is close to or away from the proximity switch, the metal slide and the proximity sensor in the proximity switch are inducted, the proximity switch is effectively and conveniently turned off, the control circuit is powered off, the liquid pump module is powered off and stopped, and thus the automatic control operation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 is a structural schematic diagram of the liquid level automatic control device;

[0023] Figure 2 FIG. 2 is a partial structural schematic diagram of the three-dimensional structure shown in FIG. 1; Figure 1

[0024] Figure 3 FIG. 3 is a structural schematic diagram of the adjusting device shown in FIG. 1; Figure 2

[0025] Figure 4 FIG. 4 is a partial structural schematic diagram of the adjusting device shown in FIG. 3. Figure 2 ​​​

[0026] The figure label: 1, liquid pump module; 2, water tank; 3, control box; 4, adjusting device; 401, mounting frame; 402, sliding frame; 403, pulley; 404, pull rope; 405, floating ball; 406, auxiliary frame; 407, slide rod; 408, metal sliding sheet; 409, spring; 410, limiting assembly; 4101, positioning column; 4102, protective ring; 4103, positioning plate; 4104, positioning shaft; 411, proximity switch; 412, guide frame; 413, protective ring; 5, water outlet pipe; 6, water level control module; 7, oil level control module. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0028] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0029] Please refer to Figures 1 to 4 The utility model embodiment provides a kind of liquid level automatic control device, comprising: liquid pump module 1, water tank 2, control box 3, liquid pump module 1 is fixedly connected with water outlet pipe 5 in the inner wall side of water tank 2, the inside of control box 3 includes water level control module 6 and oil level control module 7, control box 3 is electrically connected with liquid pump module 1, liquid pump module 1 surface is provided with adjusting device 4 corresponding the position of water tank 2.

[0030] In the embodiment of the utility model, please refer to Figure 2 , Figure 3 and Figure 4The adjusting device 4 comprises a mounting frame 401 and a limiting component 410, one end of the mounting frame 401 is fixedly connected with the side wall surface of the liquid pump module 1, a sliding frame 402 is fixedly connected with the lower surface of the mounting frame 401 corresponding to the position of the water tank 2, a pulley 403 is rotatably connected with the inner wall of the sliding frame 402, the circular surface of the pulley 403 is slidably connected with a pull rope 404, the two ends of the pull rope 404 are fixedly connected with a spring 409 and a floating ball 405 respectively, the floating ball 405 is located on the inner wall bottom surface of the water tank 2, the end of the spring 409 away from the pull rope 404 is fixedly connected with a metal sliding sheet 408 through the limiting component 410, the surface of the metal sliding sheet 408 is slidably penetrated by a slide rod 407, the two ends of the slide rod 407 are fixedly connected with the same auxiliary frame 406, one end of the auxiliary frame 406 is fixedly connected with the surface of the mounting frame 401, a proximity switch 411 is arranged on the surface of the control box 3 corresponding to the position of the metal sliding sheet 408, the proximity switch 411 comprises an inductive proximity sensor and an inductive processor, a guide frame 412 is fixedly connected with one side surface of the sliding frame 402, the inner wall of the guide frame 412 is slidably penetrated by the pull rope 404, the inner wall of the guide frame 412 is fixedly connected with a protection ring 413, the protection ring 413 is a silica gel ring, the inner wall surface of the protection ring 413 is slidably connected with the surface of the pull rope 404, the floating ball 405 is a stainless steel ball, the inner wall section of the floating ball 405 is hollow, the spring 409 is a high-carbon steel spring, the length of the spring 409 is adapted to the length of the slide rod 407, the limiting component 410 comprises two positioning columns 4101, the two positioning columns 4101 are fixedly connected with the surface of the metal sliding sheet 408, the same positioning plate 4103 is inserted into the circular surface of the two positioning columns 4101, the surface of the positioning plate 4103 is fixedly connected with one end of the spring 409, the positioning shaft 4104 is threadedly connected with the circular surface of the positioning column 4101, the protection ring 4102 is sleeved on the circular surface of the positioning column 4101, and the surface of the protection ring 4102 abuts against the lower surface of the positioning shaft 4104;

[0031] The working principle of the liquid level automatic control device is as follows: in the process of operating and using the water pump, the water pump runs to deliver liquid into the water tank 2 through the water outlet pipe 5, at this time, when the liquid level in the water tank 2 rises, the floating ball 405 floats up, the pull rope 404 will slide and contract along the pulley 403 rotating in the inner wall of the sliding frame 402, at this time, the spring 409 is pushed back to lift up and push the metal sliding sheet 408 to slide at a constant speed to the inductive proximity sensor in the proximity switch 411 to reach the sensing range of 5mm-15mm, at this time, the inductive proximity sensor in the proximity switch 411 will be inducted, and the received signal is sent to the central processor in the control box 3, so that the control circuit is closed to make the main loop start, at this time, the liquid pump module 1 starts to pump water, when the liquid level drops to the point that the floating ball 405 cannot float up, the spring 409 is pulled through the pull rope 404 under the vertical gravity of the floating ball 405, at this time, the metal sliding sheet 408 will drive the spring 409 to extrude the spring 409, so that the metal sliding sheet 408 is out of the sensing range of the inductive proximity sensor, causing the proximity switch 411 to be disconnected, the control circuit is powered off, and the liquid pump module 1 is powered off and stopped, in the process, after the spring 409 and the pull rope 404 are operated and used for a long time, in order to replace the limit of the pull rope 404 and the spring 409, the limit assembly 410 provided on one side of the spring 409 can be used to butt joint and fix the metal sliding sheet 408, the replaced spring 409 and the connecting rope are inserted through the positioning plate 4103 and the positioning column 4101, and then the rotating positioning shaft 4104 is extruded and fixed, so that the whole adjusting device 4 can be operated and used again.

[0032] The circuit and the control involved in the utility model are prior art, and too much description is not given here.

[0033] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A liquid level automatic control device, characterized by comprising: Include: Liquid pump module (1), water tank (2), control box (3), the inner wall side of the liquid pump module (1) corresponding to the water tank (2) is fixedly connected with the water outlet pipe (5), the inside of the control box (3) includes water level control module (6) and oil level control module (7), the control box (3) is electrically connected with the liquid pump module (1), the surface of the liquid pump module (1) is provided with adjusting device (4) corresponding to the position of water tank (2), the adjusting device (4) includes mounting bracket (401) and limiting component (410), one end bottom surface of the mounting bracket (401) is fixedly connected with the side wall surface of the liquid pump module (1), the lower surface of the mounting bracket (401) is fixedly connected with the slide frame (402) corresponding to the position of the water tank (2), the inner wall of the slide frame (402) is rotatably connected with the pulley (403), the circular surface of the pulley (403) is slidably connected with the pull rope (404), the both ends of the pull rope (404) are fixedly connected with the spring (409) and the floating ball (405) respectively, the floating ball (405) is located on the inner wall bottom surface of the water tank (2), one end of the spring (409) away from the pull rope (404) is fixedly connected with the metal sliding sheet (408) through the limiting component (410), the surface of the metal sliding sheet (408) is slidably penetrated by the slide rod (407), one end of the two slide rods (407) is fixedly connected with the same auxiliary frame (406), one end of the auxiliary frame (406) is fixedly connected with the surface of the mounting bracket (401), the surface of the control box (3) is provided with proximity switch (411) corresponding to the position of the metal sliding sheet (408), the proximity switch (411) includes inductive proximity sensor and inductive processor.

2. The automatic liquid level control device according to claim 1, wherein One side surface of the slide frame (402) is fixedly connected with the guide frame (412), the inner wall of the guide frame (412) is slidably penetrated by the pull rope (404).

3. The automatic liquid level control device according to claim 2, wherein The inner wall of the guide frame (412) is fixedly connected with the protection ring (413), the protection ring (413) is a silica gel ring, the inner wall surface of the protection ring (413) is slidably connected with the surface of the pull rope (404).

4. The automatic liquid level control device according to claim 1, wherein The floating ball (405) is a stainless steel ball, the inner wall section of the floating ball (405) is hollow.

5. The automatic liquid level control device according to claim 1, wherein The spring (409) is a high-carbon steel spring, the length dimension of the spring (409) is adapted to the length dimension of the slide rod (407).

6. The automatic liquid level control device according to claim 1, wherein The limiting component (410) includes two positioning columns (4101), the surface of the two positioning columns (4101) is fixedly connected with the surface of the metal sliding sheet (408), the circular surface of the two positioning columns (4101) is inserted with the same positioning plate (4103), the surface of the positioning plate (4103) is fixedly connected with one end of the spring (409), the circular surface of the positioning column (4101) is threadedly connected with the positioning shaft (4104).

7. The automatic liquid level control device according to claim 6, wherein The circular surface of the positioning column (4101) is sleeved with the protection ring (4102), the surface of the protection ring (4102) is abutted with the lower surface of the positioning shaft (4104).

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