Floating ball switch with sealing assembly

Abstract

The utility model discloses a float switch with a sealing assembly, which relates to the field of float switches and comprises a placing box. The protective cover is fixed on the other side of the placing box; the cover plate is arranged at the tops of the placing box and the protective cover; the adjusting assembly is arranged on the cover plate; the switch stirring assembly is arranged in the placing box, and the switch stirring assembly corresponds to the touch control switch; and the floating ball assembly is arranged in the protective cover. The switch shifting assembly is arranged in the placing box, the protective cover is arranged on one side of the placing box, and the floating ball assembly is arranged in the protective cover, so that interference of the external environment on the floating ball assembly can be avoided, and the floating ball assembly can accurately change along with the height of the liquid level; the floating ball assembly is connected with the switch shifting assembly through magnetic attraction and does not make direct contact with the switch shifting assembly, and the switch shifting assembly in the containing box is prevented from making contact with the outside.

Description

Technical Field

[0001] The utility model belongs to the technical field of float switches, and in particular relates to a float switch with a sealing component. Background Art

[0002] The float switch is a liquid level control device with a simple structure and easy use. It does not require power supply and has no complex circuits. It has the advantages of smaller size and longer working life than general mechanical switches. The float switch uses magnetic force to operate, has no mechanical connectors, and is simple and reliable to operate. When the float of the float switch is floated by the measured medium, the magnetic force of the magnetic component in the float causes the reed switch (switch) to operate, and the signal sent by the switch achieves the function of controlling the liquid level. When selecting, as long as the material is selected correctly, any liquid or pressure and temperature can be used. It has been widely used in shipbuilding industry, generator equipment, petrochemical industry, food industry, water treatment equipment, dyeing and finishing industry, hydraulic machinery, etc. However, the float switch in the prior art is limited by its structure. Although it has a simple structure and low cost, it can be applied to certain environments, but it cannot be applied to a variety of corrosive environments, and it is not convenient to adjust the liquid level and fine-tune the liquid level. When used in a high-density liquid medium, it cannot sink into the liquid to control the low liquid level. At the same time, the float switch in the prior art is a soft-connected outlet connection, and cannot control the liquid level in a stirred liquid.

[0003] The utility model with announcement number CN 208908203 U discloses a float switch, including a reed switch, a float ball is sleeved on the reed switch, a magnet is arranged in the float ball, the float ball can float up and down along the reed switch, a conduit is arranged at the outlet end of the reed switch, and the outlet end of the reed switch is sealed and connected with the lower end of the conduit, the wire led out from the reed switch passes through the conduit and is led out from the upper end of the conduit, the conduit is installed on a mounting seat, and the conduit is adjustable up and down relative to the mounting seat.

[0004] The above utility model separates the wire of the float switch from the external environment to avoid corrosion of the wire by the external environment. However, this method is only applicable to wire-type float switches and is not applicable to float switch assemblies with touch switches. In addition, the above device drives the reed on the reed tube to move by the float so that the two reeds can achieve the switch control function by contacting. This method can only determine the change of liquid level based on the movement of the float. However, the float in the above device is directly exposed to the outside world, making the floating of the float easily affected by the external environment, affecting the accuracy of the switch control. In view of this, the present utility model is specially proposed. Utility Model Content

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0006] A float switch with a sealing assembly, comprising:

[0007] A placement box, wherein a mounting hole is provided on one side of the upper end of the placement box, slots are provided on both sides of the upper end of the placement box, and guide plates are fixed on both sides of the inner wall of the other side of the placement box;

[0008] A protective cover, which is fixed to the other side of the placement box, the bottom of which is provided with a filter screen, and guide grooves are provided on both sides of the protective cover;

[0009] A cover plate, which is disposed on the top of the placement box and the protective cover and is used to seal the placement box;

[0010] An adjusting component, which is disposed on the cover plate and is used to adjust the height of the touch switch;

[0011] A switch toggle assembly, wherein the switch toggle assembly is arranged inside the placement box, and the switch toggle assembly corresponds to the touch switch;

[0012] The float assembly is arranged inside the protective cover, and the float assembly corresponds to the switch toggle assembly, and drives the switch toggle assembly to move up and down according to the change of water level.

[0013] Preferably, a sealing ring is bonded to the edge of the lower surface of the cover plate, and the sealing ring fits with the top edge of the placement box and the protective cover. A baffle is fixed to the edge of the lower surface of the cover plate, and the baffle fits with the outer side of the upper end of the placement box and the protective cover.

[0014] Preferably, an extension plate is fixed to the bottom of one end of the baffle, and the extension plate is connected to the mounting hole through a limiting bolt. Elastic clamping plates are fixed to the bottom of both sides of the baffle, and the elastic clamping plates are adapted to the clamping slots.

[0015] Preferably, the adjustment assembly includes a threaded knob, the lower end of the threaded knob passes through a screw groove provided on the cover plate and is movably connected to a mounting plate through a bearing, the upper surface of the mounting plate is connected to the lower surface of the cover plate through a sealing sleeve, the sealing sleeve is sleeved on the outer side of the lower end of the threaded knob, both ends of the upper surface of the mounting plate are connected to the lower surface of the cover plate through a telescopic rod, and a touch switch is installed in the middle of the lower surface of the mounting plate.

[0016] Preferably, the switch toggle assembly includes a magnetic plate, which is located between two guide plates, with limiting slides fixed at both ends of the magnetic plate, and the limiting slides are located in the inner cavity of the guide plates, and balls are provided on both sides of the limiting slides through a plurality of ball grooves in a rectangular array, and the balls are in contact with the inner walls of the guide plates, and an extension plate is fixed to the upper end of one side of the magnetic plate through a reinforcing plate, and a rubber head is bonded to the upper surface of the extension plate, and the rubber head is located directly below the touch switch.

[0017] Preferably, the float assembly includes a magnetic plate arranged in the protective cover, the magnetic plate is magnetically connected to the magnetic plate, both ends of the magnetic plate are located inside the guide groove, a float plate is fixed to one side of the upper end of the magnetic plate, and a float is bonded to the lower surface of the float plate.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model provides a switch toggle assembly in the placement box, provides a protective cover on one side of the placement box, and arranges the float assembly in the protective cover, so that interference of the external environment on the float assembly can be avoided, and the float assembly can accurately change with the height of the liquid level. The float assembly and the switch toggle assembly are connected by magnetic attraction and are not in direct contact, so that the switch toggle assembly in the placement box is avoided from contacting with the outside world, so that the interior of the placement box can be completely sealed and will not be disturbed by the external environment, thereby improving the service life and use accuracy of the touch switch in the placement box.

[0020] The utility model provides a cover plate on the top of the placement box, and the cover plate completely seals the placement box through a sealing ring to prevent external liquid medium from entering the placement box. The cover plate is connected to the touch switch through an adjustment component, and the adjustment component can adjust the height of the touch switch, so that the device can meet the control requirements of different liquid level heights, thereby improving the working efficiency of the device.

[0021] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In the attached picture:

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the placement box of the utility model;

[0025] Figure 3 It is a schematic cross-sectional view of the overall structure of the utility model.

[0026] Figure 4 This is a schematic diagram of the structure of the cover plate and the adjustment component of the utility model.

[0027] Figure 5 This is a schematic diagram of the structure of the switch toggle assembly of the utility model.

[0028] Figure 6 This is a schematic diagram of the structure of the float assembly of the utility model.

[0029] In the figure: placement box 1, mounting hole 11, card slot 12, guide plate 13, protective cover 2, filter screen plate 21, guide slot 22, cover plate 3, sealing ring 31, baffle 32, elastic card plate 33, connecting plate 34, adjustment assembly 4, threaded knob 41, mounting plate 42, sealing sleeve 43, telescopic rod 44, touch switch 45, switch toggle assembly 5, magnetic plate 51, limit slide 52, ball 53, extension plate 54, rubber head 55, float assembly 6, magnetic plate 61, float plate 62, float 63. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0031] like Figures 1 to 6 As shown, a float switch with a sealing assembly includes:

[0032] A mounting hole 11 is provided on one side of the upper end of the placing box 1, and slots 12 are provided on both sides of the upper end of the placing box 1. Guide plates 13 are fixed on both sides of the inner wall of the other side of the placing box 1. The guide plates 13 are arranged as a U-shaped structure to play a role of guiding and limiting.

[0033] The protective cover 2 is fixed on the other side of the placement box 1. The bottom of the protective cover 2 is set as a filter screen 21. The setting of the filter screen 21 can filter out impurities in the external liquid medium without affecting the liquid medium entering the protective cover 2. Guide grooves 22 are opened on both sides of the protective cover 2, and the guide grooves 22 play a guiding role.

[0034] The cover plate 3 is arranged on the top of the placement box 1 and the protective cover 2, and is used to seal the placement box 1. A sealing ring 31 is bonded to the edge of the lower surface of the cover plate 3, and the sealing ring 31 fits with the top edges of the placement box 1 and the protective cover 2. The sealing ring 31 plays a sealing role and can completely seal the placement box 1. A baffle plate 32 is fixed to the edge of the lower surface of the cover plate 3, and the baffle plate 32 fits with the outer side of the upper end of the placement box 1 and the protective cover 2. An extension plate 54 is fixed to the bottom of one end of the baffle plate 32, and the extension plate 54 is connected to the mounting hole 11 through a limiting bolt to fix the cover plate 3 to the placement box 1. Elastic card plates 33 are fixed to the bottom of both sides of the baffle plate 32, and the elastic card plates 33 are adapted to the card slots 12 to preliminarily limit the cover plate 3 on the placement box 1.

[0035] The adjusting component 4 is arranged on the cover plate 3 and is used to adjust the height of the touch switch 45. The adjusting component 4 includes a threaded knob 41. The lower end of the threaded knob 41 passes through the screw groove provided on the cover plate 3 and is movably connected with a mounting plate 42 through a bearing. The threaded knob 41 cooperates with the screw groove to drive the mounting plate 42 to move up and down. The upper surface of the mounting plate 42 is connected to the lower surface of the cover plate 3 through a sealing sleeve 43. The sealing sleeve 43 is sleeved on the outer side of the lower end of the threaded knob 41. The setting of the sealing sleeve 43 can prevent the external liquid medium from entering the inner cavity of the placement box 1 through the screw groove. Both ends of the upper surface of the mounting plate 42 are connected to the lower surface of the cover plate 3 through a telescopic rod 44. The setting of the telescopic rod 44 guides the mounting plate 42, so that the mounting plate 42 keeps moving vertically up and down. A touch switch 45 is installed in the middle of the lower surface of the mounting plate 42, and the touch switch 45 can be automatically controlled according to the height of the liquid level.

[0036] The switch toggle assembly 5 is arranged inside the placement box 1. The switch toggle assembly 5 corresponds to the touch switch 45. The switch toggle assembly 5 includes a magnetic plate 51. The magnetic plate 51 is located between the two guide plates 13. Both ends of the magnetic plate 51 are fixed with limit slides 52. The limit slides 52 are located in the inner cavity of the guide plate 13. The limit slides 52 cooperate with the guide plate 13 to play a guiding role, so that the magnetic plate 51 keeps moving vertically up and down. Both sides of the limit slide 52 are through a plurality of rectangular array ball 53 grooves. A ball 53 is provided, and the ball 53 fits with the inner wall of the guide plate 13. The provision of the ball 53 reduces the friction between the limiting slide 52 and the guide plate 13, so that the magnetic plate 51 is easy to move up and down. An extension plate 54 is fixed to the upper end of one side of the magnetic plate 51 through a reinforcing plate. A rubber head 55 is bonded to the upper surface of the extension plate 54. The rubber head 55 is located directly below the touch switch 45. The rubber head 55 moves upward to contact the touch switch 45. The provision of the rubber head 55 can prevent the extension plate 54 from damaging the touch switch 45.

[0037] The float 63 assembly 6 is arranged inside the protective cover 2. The float 63 assembly 6 corresponds to the switch toggle assembly 5, and drives the switch toggle assembly 5 to move up and down according to the change in the water level. The float 63 assembly 6 includes a magnetic plate 61 arranged in the protective cover 2. The magnetic plate 61 is magnetically connected to the magnetic plate 51, so that the magnetic plate 61 can drive the magnetic plate 51 to move up and down when moving. Both ends of the magnetic plate 61 are located inside the guide groove 22. The setting of the guide groove 22 allows the magnetic plate 61 to maintain vertical up and down movement. A float plate 62 is fixed to one side of the upper end of the magnetic plate 61, and a float 63 is bonded to the lower surface of the float plate 62. The float plate 62 cooperates with the float 63 to drive the magnetic plate 61 to move up and down with the height of the liquid level.

[0038] When installing the device, first put the magnetic plate 51 into the placement box 1, so that the limiting slide 52 on the magnetic plate 51 is inserted into the inner cavity of the guide plate 13, and then put the magnetic plate 61 into the protective cover 2, so that both ends of the magnetic plate 61 are inserted into the guide groove 22, and then cover the placement box 1 with the cover plate 3 until the elastic card plate 33 on the baffle 32 is engaged with the card groove 12 on the placement box 1, and the cover plate 3 is initially limited, and then the connecting plate 34 is fixed to the placement box 1 by the locking bolt, and then the cover plate 3 is fixed to the placement box 1, and then the threaded knob 41 is turned, and the threaded knob 41 is turned. The knob 41 cooperates with the screw groove to drive the mounting plate 42 to move up and down, and then drives the touch switch 45 to move up and down in the placement box 1, so that the touch switch 45 adjusts its height relative to the liquid level according to the control requirements of the liquid level height. When the liquid level rises, the liquid medium enters the protective cover 2 through the filtration of the filter screen plate 21, and drives the magnetic plate 61 to move upward through the float plate 62 and the float ball 63. The magnetic plate 61 drives the magnetic plate 51 to move upward until the extension plate 54 on the magnetic plate 51 contacts the touch switch 45 through the rubber head 55, thereby playing a role in controlling the liquid level height.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A float switch with a sealing assembly, characterized in that: include: A placement box, wherein a mounting hole is provided on one side of the upper end of the placement box, slots are provided on both sides of the upper end of the placement box, and guide plates are fixed on both sides of the inner wall of the other side of the placement box; A protective cover, which is fixed to the other side of the placement box, the bottom of which is provided with a filter screen, and guide grooves are provided on both sides of the protective cover; A cover plate, the cover plate is arranged on the top of the placement box and the protective cover, and is used to seal the placement box. A sealing ring is bonded to the edge of the lower surface of the cover plate, and the sealing ring fits with the top edge of the placement box and the protective cover. A baffle is fixed to the edge of the lower surface of the cover plate, and the baffle fits with the outer side of the upper end of the placement box and the protective cover. An extension plate is fixed to the bottom of one end of the baffle, and the extension plate is connected to the mounting hole through a limiting bolt. Elastic clamps are fixed to the bottom of both sides of the baffle, and the elastic clamps are adapted to the clamping slots; An adjustment component, which is arranged on the cover plate and is used to adjust the height of the touch switch. The adjustment component includes a threaded knob, the lower end of which passes through a screw groove provided on the cover plate and is movably connected to a mounting plate through a bearing, the upper surface of the mounting plate is connected to the lower surface of the cover plate through a sealing sleeve, the sealing sleeve is sleeved on the outer side of the lower end of the threaded knob, both ends of the upper surface of the mounting plate are connected to the lower surface of the cover plate through a telescopic rod, and a touch switch is installed in the middle of the lower surface of the mounting plate; A switch toggle assembly, the switch toggle assembly is arranged inside the placement box, the switch toggle assembly corresponds to the touch switch, the switch toggle assembly includes a magnetic plate, the magnetic plate is located between two guide plates, both ends of the magnetic plate are fixed with limit slides, the limit slides are located in the inner cavity of the guide plate, both sides of the limit slides are provided with balls through a plurality of ball grooves in a rectangular array, the balls are fitted with the inner wall of the guide plate, an extension plate is fixed to the upper end of one side of the magnetic plate through a reinforcing plate, a rubber head is bonded to the upper surface of the extension plate, and the rubber head is located directly below the touch switch; A float assembly is arranged inside the protective cover, the float assembly corresponds to the switch toggle assembly, and drives the switch toggle assembly to move up and down according to the change of water level. The float assembly includes a magnetic plate arranged in the protective cover, the magnetic plate is magnetically connected to the magnetic plate, both ends of the magnetic plate are located inside the guide groove, a float plate is fixed to one side of the upper end of the magnetic plate, and a float is bonded to the lower surface of the float plate.

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