Floating ball switch with manual liquid level debugging function

Abstract

The utility model belongs to the technical field of liquid level float switches, and particularly relates to a liquid level float switch with a manual debugging function, which comprises a liquid level float switch tube body, a mounting flange fixedly mounted at the top end of the liquid level float switch tube body, a junction box fixedly mounted on the upper surface of the mounting flange, and a limit tube fixedly mounted on the lower surface of the mounting flange. The outer surface of the liquid level floating ball switch tube body is slidably sleeved with a magnetic floating ball used for measuring the liquid level, the outer surface of the liquid level floating ball switch tube body is provided with a single-hole thrust ring, and the single-hole thrust ring is used for limiting the maximum liquid level measuring distance of the magnetic floating ball moving on the surface of the liquid level floating ball switch tube body; and a manual debugging device is arranged in the magnetic floating ball. According to the liquid level float switch with the manual debugging function, the manual debugging device is arranged, so that the liquid level float switch can provide more accurate and flexible control under various application conditions, and the practicability and reliability of equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level float switch technical field, concretely is a kind of with manual debugging liquid level float switch. BACKGROUND

[0002] Liquid level float switch is a kind of simple structure, convenient to use liquid level control part, it is equipped with complex circuit, cannot be disturbed, as long as material selection is correct, any nature liquid, pressure, temperature can make.

[0003] The existing liquid level float switch lacks manual debugging function in the use process, so that the following problems exist in the use process:

[0004] 1), inaccurate liquid level: due to lack of manual debugging function, the float ball position cannot be adjusted according to actual needs, which easily leads to switch triggering at incorrect liquid level, thereby affecting control accuracy;

[0005] 2), poor adaptability: unable to adapt to the requirements of different containers or liquids, which may lead to that the float switch is not suitable for specific application scenarios;

[0006] 3), insufficient flexibility: unable to fine-tune for different liquid level changes, which limits the application range and flexibility of the switch.

[0007] Therefore, based on the above problems, a liquid level float switch with manual debugging function is proposed. CONTENT OF THE UTILITY MODEL

[0008] The utility model aims at providing a liquid level float switch with manual debugging function to solve the problems proposed in the above background.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a liquid level float switch with manual debugging function, comprising a liquid level float switch pipe body, a mounting flange is fixedly installed at the top end of the liquid level float switch pipe body, a wiring box is fixedly installed on the upper surface of the mounting flange, a limiting tube is fixedly installed on the lower surface of the mounting flange, a magnetic float ball for measuring liquid level is slidably sleeved on the outer surface of the liquid level float switch pipe body, a single-hole thrust ring is arranged on the outer surface of the liquid level float switch pipe body, and the single-hole thrust ring is used to limit the maximum liquid level measuring distance of the magnetic float ball moving on the surface of the liquid level float switch pipe body.

[0010] The inside of the magnetic float ball is provided with a manual debugging device, and the manual debugging device comprises a one-way flow component and a gravity cavity, when the user sets the trigger point of the magnetic float ball at a specific liquid level according to specific requirements, fills transformer oil into the gravity cavity through the mutual cooperation of the one-way flow component and the gravity cavity, changes the buoyancy of the magnetic float ball, and thereby adjusts the floating position of the magnetic float ball in the liquid.

[0011] Preferably, the lower surface of the magnetic floating ball is fixedly connected with a lifting clasp ring, the outer surface of the lifting clasp ring is slidably sleeved with the outer surface of the limiting tube, the outer surface of the liquid level floating ball switch tube body is fixedly installed with a guide limiting ring, and the guide limiting ring is used for limiting the minimum liquid level distance of the movement of the magnetic floating ball on the surface of the liquid level floating ball switch tube body.

[0012] Preferably, the single-hole thrust ring is located above the guide limiting ring, and the outer surface of the guide limiting ring is fixedly connected with the outer surface of the limiting tube.

[0013] Preferably, the one-way flow assembly comprises an inflow hole formed in the upper surface of the magnetic floating ball, a clasp ring fixedly installed on the inner wall of the inflow hole, an O-shaped ring embeddedly installed on the lower surface of the clasp ring, a spring fixedly installed on the bottom wall in the inflow hole, and a sealing ball fixedly installed on one end of the spring.

[0014] Preferably, the outlet of the inflow hole is fixedly communicated with the inner top wall of the gravity cavity, and the sealing ball is in top contact with the inner wall of the O-shaped ring under the action of the spring.

[0015] Preferably, the outer surface of the sealing ball is fixedly connected with a pressing rod, and the top end of the pressing rod extends to the upper surface of the clasp ring after sequentially penetrating through the O-shaped ring and the clasp ring.

[0016] Preferably, the inlet of the inflow hole is threadedly connected with a sealing cover, the protruding end of the sealing cover is fixedly connected with a sealing ring, and the outer surface of the sealing ring is in contact with the upper surface groove of the magnetic floating ball.

[0017] Compared with the prior art, the liquid level floating ball switch with the manual debugging liquid level floating ball switch has the advantages that the manual debugging device is arranged, the liquid level floating ball switch can provide more accurate and flexible control under various application conditions, and the practicability and reliability of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the utility model;

[0020] Figure 3 It is a structural schematic view of the utility model; Figure 2 It is an enlarged view of structure A.

[0021] In the figure: 1, liquid level float ball switch pipe body; 2, mounting flange; 3, terminal box; 4, limiting tube; 5, magnetic float ball; 6, single-hole thrust ring; 7, gravity cavity; 71, inflow hole; 72, collar; 73, O-ring; 74, spring; 75, sealing ball; 76, pressing rod; 77, sealing cover; 78, sealing ring; 8, lifting buckle; 9, guide limiting ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a kind of liquid level float ball switch with manual debugging, including liquid level float ball switch pipe body 1, the top of liquid level float ball switch pipe body 1 is fixedly installed with mounting flange 2, the upper surface of mounting flange 2 is fixedly installed with terminal box 3, since liquid level float ball switch pipe body 1 belongs to the category of prior art, therefore, in the case, the specific component structure in its interior is no longer detailed, the lower surface of mounting flange 2 is fixedly installed with limiting tube 4, the outer surface of liquid level float ball switch pipe body 1 is slidably connected with magnetic float ball 5 for measuring liquid level, the outer surface of liquid level float ball switch pipe body 1 is provided with single-hole thrust ring 6, and single-hole thrust ring 6 is used to limit the maximum measuring liquid level distance of magnetic float ball 5 moving on the surface of liquid level float ball switch pipe body 1;

[0024] The inside of magnetic float ball 5 is provided with manual debugging device, and manual debugging device includes one-way flow component and gravity cavity 7, when user sets trigger point of magnetic float ball 5 on specific liquid level according to specific demand, fills transformer oil in gravity cavity 7 by the mutual cooperation of one-way flow component and gravity cavity 7, changes buoyancy of magnetic float ball 5, to adjust its floating position in liquid, to be able to accurately set trigger point of liquid level float ball switch, so that liquid level float ball switch can adapt to different application scenarios and container requirements.

[0025] The lower surface of magnetic float ball 5 is fixedly connected with lifting buckle 8, the outer surface of lifting buckle 8 is slidably connected with the outer surface of limiting tube 4, the outer surface of the outer surface of limiting tube 4 is fixedly connected with the outer surface of the outer surface of limiting tube 4, and the outer surface of the outer surface of limiting tube 4 is fixedly connected with the outer surface of the outer surface of limiting tube 4.

[0026] The one-way flow assembly comprises an inflow hole 71 opened on the upper surface of the magnetic floating ball 5, a collar 72 fixedly installed on the inner wall of the inflow hole 71, an O-shaped ring 73 embeddedly installed on the lower surface of the collar 72, a spring 74 fixedly installed on the bottom wall in the inflow hole 71, and a sealing ball 75 fixedly installed on one end of the spring 74, the outlet of the inflow hole 71 is fixedly communicated with the inner top wall of the gravity cavity 7, the outer surface of the sealing ball 75 is fixedly connected with a pressing rod 76, the top end of the pressing rod 76 extends to the upper surface of the collar 72 after sequentially penetrating through the O-shaped ring 73 and the collar 72, the inlet of the inflow hole 71 is threadedly connected with a sealing cover 77, the convex end of the sealing cover 77 is fixedly connected with a sealing ring 78, and the outer surface of the sealing ring 78 is in contact with the upper surface groove of the magnetic floating ball 5.

[0027] Through the above technical scheme, if the magnetic floating ball 5 needs to reduce the buoyancy, that is, to trigger the switch at a lower liquid level, the specific process of adjusting the density of the magnetic floating ball 5 is as follows:

[0028] The sealing cover 77 is reversely screwed out of the inflow hole 71, so that the sealing cover 77 is separated from the inflow hole 71, the user applies pressure to the sealing ball 75 and the spring 74 through the pressing rod 76, the spring 74 drives the sealing ball 75 to move downward along the depth direction of the inflow hole 71 after being stressed, and the sealing ball 75 is driven to be in a state of no tight contact with the O-shaped ring 73, at this time, the user fills a certain amount of transformer oil into the gravity cavity 7 through the inflow hole 71 according to actual needs, so as to reduce the buoyancy of the magnetic floating ball 5 and adjust the floating position of the magnetic floating ball 5 in the liquid, on the contrary, if the magnetic floating ball 5 needs to increase the buoyancy, that is, to trigger the switch at a higher liquid level, the user draws out the transformer oil in the gravity cavity 7 according to actual needs, so as to achieve the effect of manually adjusting the liquid level float ball switch by adjusting the density of the magnetic floating ball 5.

[0029] The liquid level float ball switch with manual adjustment device can provide more accurate and flexible control under various application conditions, and improves the practicability and reliability of the equipment.

[0030] Working principle: before use, the density of the magnetic floating ball 5 is adjusted according to needs, if the magnetic floating ball 5 needs to reduce the buoyancy, that is, to trigger the switch at a lower liquid level, the specific process of adjusting the density of the magnetic floating ball 5 is as follows:

[0031] The sealing cover 77 is reversed out from the inflow hole 71, the sealing cover 77 is separated from the inflow hole 71, the user presses the rod 76 to press the sealing ball 75 and the spring 74, the spring 74 is forced to drive the sealing ball 75 to move along the depth direction of the inflow hole 71 from up to down, the sealing ball 75 and the O-shaped ring 73 are driven to remove the pressing contact state, at this time, the user fills a certain amount of transformer oil into the gravity cavity 7 through the inflow hole 71 according to actual needs, reduces the buoyancy of the magnetic floating ball 5, adjusts the floating position in the liquid, on the contrary, if the magnetic floating ball 5 needs to increase the buoyancy, that is, the higher liquid level triggers the switch, the user extracts the transformer oil in the gravity cavity 7 according to actual needs, and then the effect of manually adjusting the liquid level float ball switch by adjusting the density of the magnetic floating ball 5 is achieved;

[0032] In addition, the working process of the liquid level float ball switch is as follows: when the liquid level rises, the magnetic floating ball 5 rises with the liquid, the magnet of the magnetic floating ball 5 approaches the magnetic switch in the liquid level float ball switch pipe body 1, the magnetic switch senses the magnetic field change on the magnetic floating ball 5, thereby changing the state of the liquid level float ball switch, the action of the liquid level float ball switch triggers the external control system such as an alarm system or a pump control to respond to the change of the liquid level.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A manual adjustment liquid level float ball switch with a mounting flange, comprising a liquid level float ball switch pipe body (1), a mounting flange (2) is fixedly installed at the top end of the liquid level float ball switch pipe body (1), and a terminal box (3) is fixedly installed on the upper surface of the mounting flange (2), characterized in that: The lower surface of the mounting flange (2) is fixedly mounted with a limiting tube (4), the outer surface of the liquid level float ball switch tube body (1) is slidably sleeved with a magnetic float ball (5) for measuring liquid level, the outer surface of the liquid level float ball switch tube body (1) is provided with a single-hole thrust ring (6) for limiting the maximum measuring liquid level distance of the magnetic float ball (5) moving on the surface of the liquid level float ball switch tube body (1). The inside of the magnetic float ball (5) is provided with a manual debugging device, and the manual debugging device comprises a one-way flow component and a gravity cavity (7), when a user sets the trigger point of the magnetic float ball (5) at a specific liquid level according to specific requirements, the one-way flow component and the gravity cavity (7) are matched to fill transformer oil into the gravity cavity (7), so as to change the buoyancy of the magnetic float ball (5) and adjust the floating position thereof in the liquid.

2. A manual adjustment liquid level float and ball switch according to claim 1, characterized in that: The lower surface of the magnetic float ball (5) is fixedly connected with a lifting buckle ring (8), the outer surface of the lifting buckle ring (8) is slidably sleeved with the outer surface of the limiting tube (4), the outer surface of the liquid level float ball switch tube body (1) is fixedly mounted with a guide limiting ring (9), and the guide limiting ring (9) is used for limiting the minimum measuring liquid level distance of the magnetic float ball (5) moving on the surface of the liquid level float ball switch tube body (1).

3. A manual adjustment level float and ball switch according to claim 2 wherein: The single-hole thrust ring (6) is located above the guide limiting ring (9), and the outer surface of the guide limiting ring (9) is fixedly connected with the outer surface of the limiting tube (4).

4. A manual adjustment level float and ball switch according to claim 1, wherein: The one-way flow component comprises an inflow hole (71) formed in the upper surface of the magnetic float ball (5), a clasp (72) fixedly mounted on the inner wall of the inflow hole (71), an O-shaped ring (73) embeddedly mounted on the lower surface of the clasp (72), a spring (74) fixedly mounted on the bottom wall in the inflow hole (71), and a sealing ball (75) fixedly mounted on one end of the spring (74).

5. A manually adjustable liquid level float and switch according to claim 4 wherein: The outlet of the inflow hole (71) is fixedly communicated with the inner top wall of the gravity cavity (7), and the sealing ball (75) is in contact with the inner wall of the O-shaped ring (73) under the action of the spring (74).

6. A manual adjustment level float and ball switch according to claim 5 wherein: The outer surface of the sealing ball (75) is fixedly connected with a pressing rod (76), the top end of the pressing rod (76) extends to the upper surface of the clasp (72) after sequentially penetrating through the O-shaped ring (73) and the clasp (72).

7. A manual adjustment level float and ball switch according to claim 6 wherein: The inlet of the inflow hole (71) is threadedly connected with a sealing cover (77), the protruding end of the sealing cover (77) is fixedly connected with a sealing ring (78), and the outer surface of the sealing ring (78) is in contact with the upper surface groove of the magnetic float ball (5).

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