Electrode type liquid level switch

Abstract

The utility model discloses an electrode type liquid level switch which comprises a mounting plate, two sets of mounting holes are formed in the right side face of the mounting plate, a limiting shell is fixedly mounted on the right side face of the mounting plate, an L-shaped plate is arranged on the inner wall of the limiting shell, and a mounting ring is fixedly mounted on the right side face of the L-shaped plate. And a liquid level switch body is fixedly mounted on the inner wall of the mounting ring. According to the device, through cooperation of a mounting ring, an L-shaped plate and a limiting shell, a liquid level switch body can be preliminarily positioned, through cooperation of a spring, a sliding groove, a sliding block, a connecting plate and inserting plates, the inserting plates can be close to each other and far away from each other in the moving direction of the sliding groove and the sliding block, and therefore the inserting plates can be inserted into positioning inserting holes, and the liquid level switch body can be conveniently positioned. And a worker can conveniently pull the pull plate to move the insertion plate out of the positioning insertion hole, so that the positioning of the L-shaped plate is relieved, and the liquid level switch body is convenient to disassemble and maintain and replace.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electrode liquid level switches, in particular to an electrode liquid level switch. BACKGROUND

[0002] The electrode liquid level switch is a device commonly used for detecting the liquid level, mainly realizes the detection and control of the liquid level through the conductivity of the liquid, and is composed of an electrode, a shell, a connecting cable and a control circuit. The working principle of the electrode liquid level switch is to judge the height of the liquid level based on the change of the conductivity. When the liquid level touches or does not touch the electrode, the resistance between the electrodes will change, thereby triggering the switching action, realizing the alarm, control or starting of other devices.

[0003] At present, when the electrode liquid level switch is used, the electrode liquid level switch needs to be installed at a specified position. However, although the electrode liquid level switch of the present stage can induct the liquid level when used, there are still some deficiencies in the process of use, for example, the electrode liquid level switch is not convenient to disassemble and assemble when used, so that it is difficult for the staff to replace and maintain in time when the electrode liquid level switch is damaged or fails.

[0004] Therefore, the electrode liquid level switch is proposed to solve the above problems. CONTENT OF THE INVENTION

[0005] The application aims to provide an electrode liquid level switch to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An electrode liquid level switch, comprising a mounting plate, two groups of mounting holes are formed in the right side surface of the mounting plate, a limiting shell is fixedly installed on the right side surface of the mounting plate, an L-shaped plate is arranged on the inner wall of the limiting shell, an installation ring is fixedly installed on the right side surface of the L-shaped plate, a liquid level switch body is fixedly installed on the inner wall of the installation ring, two sliding grooves are formed in the right side surface of the mounting plate, a sliding block is slidably connected to the inner wall of each sliding groove, a spring is fixedly installed on the side surface of each sliding block away from the other, and the inner side wall of each sliding groove is fixedly installed with the spring, a connecting plate is fixedly installed on the right side surface of each sliding block, a plug-in plate is fixedly installed on the side surface of each connecting plate close to the other, and a positioning insertion hole is formed in the front surface of the limiting shell, the back surface of the limiting shell, the front surface of the L-shaped plate and the back surface of the L-shaped plate, and the ends of the two plug-in plates close to each other extend to the inner walls of the two positioning insertion holes.

[0008] In a further embodiment, two pull plates are arranged on the right side of the mounting plate, and the side surfaces of the two pull plates close to each other are fixedly installed with the side surfaces of the two connecting plates away from each other.

[0009] In further embodiments, the right side of the mounting plate is provided with a pull ring, the bottom surface of the pull ring is fixedly installed with the upper surface of the L-shaped plate.

[0010] In further embodiments, the inner bottom wall of the limiting shell is fixedly installed with two pads, the upper surface of each pad is in contact with the bottom surface of the L-shaped plate.

[0011] In further embodiments, the right side of the mounting plate is provided with an anti-skid strip, the inner wall of the anti-skid strip is fixedly installed with the outer surface of the mounting ring.

[0012] In further embodiments, the upper surface of the limiting shell is fixedly installed with two flow guide inclined plates, the left side surface of each flow guide inclined plate is fixedly installed with the right side surface of the mounting plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The mounting ring, the L-shaped plate and the limiting shell are matched to preliminarily position the liquid level switch body, and the spring, the sliding groove, the sliding block, the connecting plate and the plug plate are matched to enable the plug plate to move along the moving direction of the sliding groove and the sliding block, enable the plug plates to approach each other and move away from each other, enable the plug plates to be inserted into the positioning insertion holes, enable the staff to conveniently pull the pull plate, enable the plug plates to move out of the positioning insertion holes, thereby releasing the positioning of the L-shaped plate, conveniently disassembling the liquid level switch body and facilitating the maintenance and replacement of the liquid level switch body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the electrode type liquid level switch.

[0016] Figure 2 It is a three-dimensional structure schematic view of the side view of the electrode type liquid level switch.

[0017] Figure 3 It is a three-dimensional structure schematic view of the side view of the electrode type liquid level switch.

[0018] Figure 4 It is a three-dimensional structure schematic view of the electrode type liquid level switch.

[0019] In the drawing: 1, mounting plate; 2, pull ring; 3, mounting hole; 4, flow guide inclined plate; 5, limiting shell; 6, pull plate; 7, connecting plate; 8, positioning insertion hole; 9, anti-skid strip; 10, mounting ring; 11, liquid level switch body; 12, sliding block; 13, L-shaped plate; 14, sliding groove; 15, spring; 16, pad; 17, plug plate. DETAILED DESCRIPTION

[0020] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be mechanical connection, also can be electrical connection, it can be direct connection, also can be indirect connection through intermediate medium, it can be the communication inside two elements. For ordinary skilled person in the art, the specific meaning of the above-mentioned term in the utility model can be understood through specific circumstances.

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled person in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 In the utility model, an electrode type liquid level switch, including the mounting plate 1, the right side surface of mounting plate 1 is provided with two groups of mounting holes 3, the right side surface of mounting plate 1 is fixedly installed with the limit shell 5, the upper surface of limit shell 5 is fixedly installed with two flow guide inclined plates 4, the left side surface of each flow guide inclined plate 4 is fixedly installed with the right side surface of mounting plate 1, L-shaped plate 13 can be guided through flow guide inclined plate 4, so as to make L-shaped plate 13 enter the inside of limit shell 5, limit L-shaped plate 13, the inner bottom wall of limit shell 5 is fixedly installed with two cushion blocks 16, the upper surface of each cushion block 16 is in contact with the bottom surface of L-shaped plate 13, limit shell 5 can be protected through cushion block 16, prevent L-shaped plate 13 from colliding with limit shell 5.

[0023] The inner wall of limit shell 5 is provided with L-shaped plate 13, the right side of mounting plate 1 is provided with pull ring 2, the bottom surface of pull ring 2 is fixedly installed with the upper surface of L-shaped plate 13, L-shaped plate 13 can be moved through pull ring 2, so as to control L-shaped plate 13, the right side surface of L-shaped plate 13 is fixedly installed with mounting ring 10, the right side of mounting plate 1 is provided with anti-skid strip 9, the inner wall of anti-skid strip 9 is fixedly installed with the outer surface of mounting ring 10, mounting ring 10 can be conveniently controlled through anti-skid strip 9, avoid the appearance of falling when pulling mounting ring 10, the inner wall of mounting ring 10 is fixedly installed with liquid level switch body 11, the right side surface of mounting plate 1 is provided with two sliding grooves 14, the inner wall of each sliding groove 14 is slidably connected with sliding block 12.

[0024] The two sliders 12 are fixedly installed with springs 15 on the sides away from each other, and the two springs 15 are fixedly installed with the inner side walls of the two sliding grooves 14. The right side of each slider 12 is fixedly installed with a connecting plate 7. The right side of the mounting plate 1 is provided with two pull plates 6, and the sides close to each other of the two pull plates 6 are fixedly installed with the sides away from each other of the two connecting plates 7. The pull plate 6 can be used to conveniently pull and move the two connecting plates 7, so that the connecting plate 7 can be conveniently moved. The sides close to each other of the two connecting plates 7 are fixedly installed with plug plates 17. The front surface of the limiting shell 5 and the back surface of the limiting shell 5 are provided with positioning insertion holes 8 on the front surface of the L-shaped plate 13 and the back surface of the L-shaped plate 13. The two plug plates 17 are respectively extended to the inner walls of the two positioning insertion holes 8.

[0025] The working principle of the present application is:

[0026] When the liquid level switch body 11 is replaced, the pull plate 6 is pulled to pull the connecting plate 7, and the connecting plate 7 drives the slider 12 to move, so that the slider 12 moves along the direction of the sliding groove 14. The connecting plate 7 pulls the plug plate 17 to move along the direction of the sliding groove 14, so that the plug plate 17 moves out of the positioning insertion hole 8, and with the plug plate 17 moving out of the positioning insertion hole 8, the positioning of the L-shaped plate 13 is released. Then the L-shaped plate 13 is pulled to move upwards, so that the L-shaped plate 13 drives the mounting ring 10 to move upwards, so that the mounting ring 10 can move upwards, and then drives the liquid level switch body 11 to separate from the mounting plate 1.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. The description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An electrode type liquid level switch characterized by: The utility model relates to a liquid level switch, including installation board (1), the right side of installation board (1) is equipped with two groups of mounting hole (3), the right side of installation board (1) is fixedly installed with limit casing (5), the inner wall of limit casing (5) is equipped with L type board (13), the right side of L type board (13) is fixedly installed with mounting ring (10), the inner wall of mounting ring (10) is fixedly installed with liquid level switch body (11), the right side of installation board (1) is equipped with two sliding slots (14), the inner wall of each sliding slot (14) is slidably connected with sliding block (12), the side away from each other of two sliding blocks (12) is fixedly installed with spring (15), two springs (15) are fixedly installed with the inner side wall of two sliding slots (14) respectively, the right side of each sliding block (12) is fixedly installed with connecting plate (7), the side close to each other of two connecting plates (7) is fixedly installed with plugboard (17), the front of limit casing (5) and the back of limit casing (5) are equipped with the front of L type board (13) and the back of L type board (13) with positioning bushing (8), and the end close to each other of two plugboards (17) respectively extends to the inner wall of two positioning bushings (8).

2. An electrode level switch according to claim 1, characterised in that: The right side of the installation board (1) is provided with two pull plates (6), and the side close to each other of the two pull plates (6) is fixedly installed with the side away from each other of the two connecting plates (7) respectively.

3. An electrode level switch according to claim 1, characterized in that: The right side of the installation board (1) is provided with a pull ring (2), and the bottom surface of the pull ring (2) is fixedly installed with the upper surface of the L-shaped plate (13).

4. An electrode level switch according to claim 1, characterized in that: The inner bottom wall of the limit casing (5) is fixedly installed with two pads (16), and the upper surface of each pad (16) is in contact with the bottom surface of the L-shaped plate (13).

5. An electrode level switch according to claim 1, characterized in that: The right side of the installation board (1) is provided with an anti-skid strip (9), and the inner wall of the anti-skid strip (9) is fixedly installed with the outer surface of the mounting ring (10).

6. An electrode level switch according to claim 1, characterized in that: The upper surface of the limit casing (5) is fixedly installed with two flow guide inclined plates (4), and the left side of each flow guide inclined plate (4) is fixedly installed with the right side of the installation board (1).

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