Water level control device of water tank

Abstract

The utility model relates to the technical field of water purifiers, and discloses a water level control device of a water tank, which comprises the water tank, an arch-shaped frame is fixedly arranged on the right side of the water tank, an avoiding groove is formed in the left side of the arch-shaped frame in a penetrating manner, and the avoiding groove is arranged along the length direction of the arch-shaped frame; two sets of vertical guide rails are fixedly installed between the top wall and the bottom wall of the arch frame, a bracket is slidably connected between the two sets of vertical guide rails, a sliding seat is slidably connected to the top of the bracket, an elastic assembly is arranged on the left side of the sliding seat, and a liquid level sensor is fixedly installed on the left side of the elastic assembly. And a distance sensor is fixedly mounted at the top of the arched frame. The threaded rod is driven to rotate through the driving motor, the bracket is driven to move up and down along the vertical guide rail, and meanwhile, the distance between the bracket and the top of the arched frame is monitored through the distance sensor to reflect the height of the probe; the purpose of conveniently adjusting the water level in the water tank is achieved by conveniently adjusting the mounting position of the probe.

Description

Technical Field

[0001] The utility model relates to the technical field of water purifiers, and particularly relates to a water level control device for a water tank. Background Technique

[0002] A water purifier is a device that improves the water quality by physically, chemically or biologically treating water to remove impurities and harmful substances in the water. A water tank and a filter element are arranged inside the water purifier. After the tap water is filtered by the filter element, the filtered purified water is stored in the water tank.

[0003] A liquid level controller such as a float switch is arranged inside the water tank of the water purifier. When the water level is lower than a predetermined position, the float switch is turned on, and the filtered purified water is supplemented into the water tank. When the water level reaches the predetermined position, the filtered purified water stops being supplemented into the water tank. However, the installation position of the float switch is fixed, which is not convenient to adjust the position of the float switch, and thus not convenient to adjust the water level inside the water tank, and further improvement can be made. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a water level control device for a water tank, which has the advantages of being convenient to adjust the water level inside the water tank, etc., and solves the problem that it is not convenient to adjust the water level inside the water tank due to the limited installation position of the float switch.

[0006] (2) Technical Solutions

[0007] To achieve the purpose of conveniently adjusting the water level inside the water tank, the utility model provides the following technical solution: A water level control device for a water tank, including a water tank, an arched frame is fixedly installed on the right side of the water tank, an avoidance groove is penetrated and opened on the left side of the arched frame, the avoidance groove is arranged along the length direction of the arched frame, two groups of vertical guide rails are fixedly installed between the top wall and the bottom wall of the arched frame, a support seat is slidably connected between the two groups of vertical guide rails, a sliding seat is slidably connected to the top of the support seat, an elastic component is arranged on the left side of the sliding seat, a liquid level sensor is fixedly installed on the left side of the elastic component, and a distance sensor is fixedly installed on the top of the arched frame.

[0008] Preferably, corner codes are fixedly installed on the left and right sides of the middle part of the arched frame, the two groups of corner codes respectively clamp the front and rear sides of the water tank, a first threaded hole is opened on the surface of the corner code, a bolt is threadedly connected in the first threaded hole, and the bolt is attached to the surface of the water tank.

[0009] Preferably, a driving motor is fixedly installed at the top of the arched frame. The output end of the driving motor is fixedly installed with a threaded rod. The threaded rod passes through the top of the arched frame and is arranged along the length direction of the arched frame. A second threaded hole is formed at the top of the support base. The support base is threadedly connected to the threaded rod through the second threaded hole. Sliding sleeves are fixedly installed on the front and rear sides of the support base. The support base is slidably connected to the vertical guide rail through the sliding sleeves. Two groups of guide grooves are formed through the top of the support base, and the two groups of guide grooves are distributed front and back.

[0010] Preferably, two sliding columns are fixedly installed at the bottom of the sliding seat. The two sliding columns are respectively slidably connected in the guide grooves. Fixed plates are fixedly installed at the bottom ends of the two sliding columns. A cylinder is fixedly installed on the left side of the fixed plate. Two through holes are formed through the right side of the sliding seat.

[0011] Preferably, the elastic component includes sliding rods slidably connected in the through holes. A support plate is fixedly installed between the left ends of the two sliding rods. Springs are sleeved on the outer sides of the sliding rods. The two ends of the springs are respectively fixedly installed on the right side of the support plate and the left side of the vertical part of the sliding seat. An installation frame is fixedly installed on the left side of the support plate.

[0012] Preferably, the liquid level sensor includes a probe fixedly installed through the middle of the left end of the installation frame. The probe is connected with a data line. The other end of the data line is connected with an electrical box. The electrical box is fixedly installed on the right surface of the angle code on the front side. The left end of the probe is located on the left side of the left end of the sliding seat. The probe passes through the avoidance groove and fits against the right side of the water tank.

[0013] Preferably, the length of the avoidance groove is greater than the depth of the water tank.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a water level control device for a water tank, which has the following beneficial effects:

[0016] For the water level control device of the water tank, when the output end of the cylinder extends, the fixed plate and the sliding columns are driven to move to the right. The sliding seat fits on the top of the support base and moves to the right. Then, through the connection of the elastic component, the probe is driven to be pulled out of the avoidance groove and separated from the water tank. Then, the driving motor drives the threaded rod to rotate, driving the support base to move up and down along the vertical guide rail. At the same time, the distance between the support base and the top of the arched frame is monitored by the distance sensor, and the height of the probe is reflected thereby. After the liquid level sensor moves to a predetermined height, the output end of the cylinder contracts, pulling the fixed plate and the sliding columns to move to the left, driving the sliding seat to fit on the top of the support base and move to the left, so that the probe is inserted into the avoidance groove and fits against the right side of the water tank. As the sliding seat continues to move to the left, the spring is compressed and contracted. Then, through the elasticity of the spring, the probe is tightly attached to the right side of the water tank. By facilitating the adjustment of the installation position of the probe, the purpose of conveniently adjusting the water level inside the water tank is achieved. Brief Description of the Drawings

[0017] Figure 1 FIG. 1 is a three-dimensional structural schematic diagram of a water level control device for a water tank proposed by the present utility model;

[0018] Figure 2 FIG. 2 is a three-dimensional structural schematic diagram of an arch frame of a water level control device for a water tank proposed by the present utility model;

[0019] Figure 3 FIG. 3 is a three-dimensional structural schematic diagram of an elastic component of a water level control device for a water tank proposed by the present utility model;

[0020] Figure 4 FIG. 4 is a three-dimensional structural schematic diagram of a liquid level sensor of a water level control device for a water tank proposed by the present utility model.

[0021] In the figures: 1, water tank; 2, arch frame; 3, avoidance groove; 4, vertical guide rail; 5, support base; 6, sliding seat; 7, elastic component; 8, liquid level sensor; 9, distance sensor; 201, angle code; 202, first threaded hole; 203, bolt; 501, drive motor; 502, threaded rod; 503, second threaded hole; 504, sliding sleeve; 505, guide groove; 602, sliding column; 603, fixing plate; 604, cylinder; 605, through hole; 701, sliding rod; 702, support plate; 703, spring; 704, mounting frame; 801, probe; 802, data line; 803, electrical box. Detailed Description of the Preferred Embodiment

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4, A water level control device for a water tank, including a water tank 1. An arched frame 2 is fixedly installed on the right side of the water tank 1. Angle codes 201 are fixedly installed on both the left and right sides in the middle of the arched frame 2. The two groups of angle codes 201 are respectively clamped on the front and rear sides of the water tank 1. Threaded holes 202 are formed on the surface of the angle code 201, and bolts 203 are threadedly connected in the threaded holes 202. The bolts 203 are attached to the surface of the water tank 1. Thus, the arched frame 2 is fixed on the right side of the water tank 1. An avoidance groove 3 is formed through the left side of the arched frame 2. The avoidance groove 3 is arranged along the length direction of the arched frame 2, and the length of the avoidance groove 3 is greater than the depth of the water tank 1. Two groups of vertical guide rails 4 are fixedly installed between the top wall and the bottom wall of the arched frame 2. A support base 5 is slidably connected between the two groups of vertical guide rails 4. A sliding seat 6 is slidably connected to the top of the support base 5. An elastic component 7 is arranged on the left side of the sliding seat 6. A liquid level sensor 8 is fixedly installed on the left side of the elastic component 7. The liquid level sensor 8 is a capacitive liquid level sensor, and the model of the liquid level sensor 8 is EB-DRY28NO. A distance sensor 9 is fixedly installed on the top of the arched frame 2. The model of the distance sensor 9 is TF02-Pro. The distance sensor 9 is used to monitor the distance between the support base 5 and the top of the arched frame 2, so as to monitor the height of the liquid level sensor 8.

[0024] Please refer to Figure 2 , A driving motor 501 is fixedly installed on the top of the arched frame 2. The model of the driving motor 501 is: RS-360SH. A threaded rod 502 is fixedly installed at the output end of the driving motor 501. The threaded rod 502 passes through the top of the arched frame 2 and is arranged along the length direction of the arched frame 2. A threaded hole 503 is formed on the top of the support base 5. The support base 5 is threadedly connected to the threaded rod 502 through the threaded hole 503. Sliding sleeves 504 are fixedly installed on both the front and rear sides of the support base 5. The support base 5 is slidably connected to the vertical guide rail 4 through the sliding sleeves 504. Through the cooperation of the vertical guide rail 4 and the sliding sleeves 504, the moving path of the support base 5 is guided; then, the driving motor 501 drives the threaded rod 502 to rotate, driving the support base 5 to move up and down. Two groups of guide grooves 505 are formed through the top of the support base 5. The two groups of guide grooves 505 are distributed front and rear.

[0025] Please refer to Figure 3 , Two groups of sliding columns 602 are fixedly installed at the bottom of the sliding seat 6. The two groups of sliding columns 602 are respectively slidably connected in the guide grooves 505. Fixed plates 603 are fixedly installed at the bottom ends of the two groups of sliding columns 602. A cylinder 604 is fixedly installed on the left side of the fixed plate 603. Two groups of through holes 605 are formed through the right side of the sliding seat 6. By the telescopic movement of the output end of the cylinder 604, the fixed plate 603 and the sliding columns 602 are driven to move left and right, and the sliding seat 6 is driven to move left and right and fit on the top of the support base 5.

[0026] Please refer to Figure 3, the elastic component 7 includes a sliding rod 701 slidably connected in the through hole 605. A support plate 702 is fixedly installed between the left ends of the two groups of sliding rods 701. A spring 703 is sleeved outside the sliding rod 701. The two ends of the spring 703 are respectively fixedly installed on the right side of the support plate 702 and the left side of the vertical part of the sliding seat 6. An installation frame 704 is fixedly installed on the left side of the support plate 702. The installation frame 704 is U-shaped when viewed from above, and an installation ring is integrally formed in the middle of the left end of the installation frame 704. Due to the elasticity of the spring 703, the support plate 702 has a tendency to move to the left.

[0027] Please refer to Figure 4 , the liquid level sensor 8 includes a probe 801 penetrating and fixed in the middle of the left end of the installation frame 704. The probe 801 is fixed in the installation ring at the left end of the installation frame 704. The probe 801 is connected with a data line 802, and the other end of the data line 802 is connected with an electrical box 803. The electrical box 803 is fixedly installed on the right surface of the angle code 201 on the front side. Due to the elasticity of the spring 703, the left end of the probe 801 is located on the left side of the left end of the sliding seat 6. The probe 801 passes through the avoidance groove 3 and fits against the right side of the water tank 1.

[0028] Working principle: First, the output end of the cylinder 604 extends, driving the fixed plate 603 and the sliding column 602 to move to the right. The sliding seat 6 fits on the top of the support seat 5 and moves to the right. Then, through the connection of the elastic component 7, the probe 801 is pulled out of the avoidance groove 3 and separated from the water tank 1;

[0029] Then, the driving motor 501 drives the threaded rod 502 to rotate, driving the support seat 5 to move up and down along the vertical guide rail 4. At the same time, the distance sensor 9 monitors the distance between the support seat 5 and the top of the arch frame 2, and reflects the height of the probe 801 accordingly;

[0030] After the liquid level sensor 8 moves to the predetermined height, the output end of the cylinder 604 contracts, pulling the fixed plate 603 and the sliding column 602 to move to the left, driving the sliding seat 6 to fit on the top of the support seat 5 and move to the left, so that the probe 801 is inserted into the avoidance groove 3 and fits against the right side of the water tank 1; As the sliding seat 6 continues to move to the left, the spring 703 is compressed and contracted. Then, due to the elasticity of the spring 703, the probe 801 is tightly attached to the right side of the water tank 1.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water level control device for a water tank, comprising a water tank (1), characterized in that: An arch frame (2) is fixedly installed on the right side of the water tank (1), an avoidance groove (3) is penetrated and opened on the left side of the arch frame (2), and the avoidance groove (3) is arranged along the length direction of the arch frame (2), two groups of vertical guide rails (4) are fixedly installed between the top wall and the bottom wall of the arch frame (2), a bracket (5) is slidably connected between the two groups of vertical guide rails (4), a slide seat (6) is slidably connected to the top of the bracket (5), an elastic component (7) is arranged on the left side of the slide seat (6), a liquid level sensor (8) is fixedly installed on the left side of the elastic component (7), and a distance sensor (9) is fixedly installed on the top of the arch frame (2).

2. The water level control device of the water tank according to claim 1, characterized in that: Angle brackets (201) are fixedly installed on both left and right sides of the middle of the arch frame (2), and two groups of the angle brackets (201) are respectively clamped on the front and rear sides of the water tank (1). A threaded hole (202) is opened on the surface of the angle bracket (201), and a bolt (203) is connected to the inner thread of the threaded hole (202), and the bolt (203) is attached to the surface of the water tank (1).

3. The water level control device of a water tank according to claim 1, characterized in that: A driving motor (501) is fixedly mounted on the top of the arch frame (2), and a threaded rod (502) is fixedly mounted on the output end of the driving motor (501), the threaded rod (502) passes through the top of the arch frame (2), and the threaded rod (502) is arranged along the length direction of the arch frame (2), a second threaded hole (503) is opened on the top of the bracket (5), the bracket (5) is threadedly connected to the threaded rod (502) through the second threaded hole (503), a sliding sleeve (504) is fixedly mounted on the front and rear sides of the bracket (5), the bracket (5) is slidably connected to the vertical guide rail (4) through the sliding sleeve (504), and two groups of guide grooves (505) are opened through the top of the bracket (5), and the two groups of guide grooves (505) are distributed front and back.

4. The water level control device of a water tank according to claim 1, characterized in that: Two groups of slide posts (602) are fixedly installed at the bottom of the slide seat (6), and the two groups of slide posts (602) are respectively slidably connected in the guide grooves (505). A fixing plate (603) is fixedly installed at the bottom ends of the two groups of slide posts (602), and a cylinder (604) is fixedly installed on the left side of the fixing plate (603). Two groups of through holes (605) are opened through the right side of the slide seat (6).

5. The water level control device of a water tank according to claim 1, characterized in that: The elastic component (7) comprises a slide bar (701) slidably connected in the through hole (605), a support plate (702) is fixedly installed between the left ends of the two groups of slide bars (701), a spring (703) is sleeved on the outer side of the slide bar (701), and the two ends of the spring (703) are respectively fixedly installed on the right side of the support plate (702) and the left side of the vertical part of the slide seat (6), and a mounting frame (704) is fixedly installed on the left side of the support plate (702).

6. The water level control device of a water tank according to claim 1, characterized in that: The liquid level sensor (8) comprises a probe (801) which passes through and is fixed to the middle of the left end of the mounting frame (704); the probe (801) is connected to a data line (802); the other end of the data line (802) is connected to an electrical box (803); the electrical box (803) is fixedly mounted on the right surface of the angle bracket (201) on the front side; the left end of the probe (801) is located to the left of the left end of the slide seat (6); the probe (801) passes through the avoidance groove (3) and is attached to the right side of the water tank (1).

7. The water level control device of a water tank according to claim 1, characterized in that: The length of the avoidance groove (3) is greater than the depth of the water tank (1).

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