CN216668935U

CN216668935U - Sewage tank water level detection device

Info

Publication number: CN216668935U
Application number: CN202123217053.3U
Authority: CN
Inventors: 李万通
Original assignee: Zhejiang Haoda Electric Appliance Co ltd
Current assignee: Zhejiang Haoda Electric Appliance Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-03
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a water level detection device for a sewage tank, which comprises a sewage tank body and a sewage tank cover, wherein the sewage tank cover is covered on the sewage tank body, a sewage cavity is arranged in the sewage tank body, a Hall switch is arranged in the sewage tank cover, a floating plate is arranged in the sewage tank body, an induction magnet is fixed at the upper end of the floating plate, a connecting plate is fixed on the sewage tank cover, an inserting groove with a downward opening is formed in the connecting plate, one end of the floating plate is inserted into the inserting groove, a limiting sliding groove is formed in the side wall of the floating plate, and a limiting protrusion inserted into the limiting sliding groove is fixed on the floating plate. According to the utility model, when sewage in the sewage tank body rises, the floating plate is driven to rise, when the induction magnet approaches the Hall switch, the Hall switch obtains a signal, the Hall switch sends the signal to the negative pressure suction device, and the negative pressure suction device stops sucking water into the sewage tank body.

Description

Sewage tank water level detection device

Technical Field

The utility model belongs to the technical field of ground washing, and particularly relates to a water level detection device for a sewage tank.

Background

The floor washing machine belongs to cleaning equipment, is a cleaning machine integrating dust collection and floor washing, and mainly comprises a handle assembly, a machine body assembly and a cleaning head assembly, wherein the machine body assembly comprises a clean water tank, a sewage tank, a negative pressure suction device, a battery pack assembly, a master control PCBA and a control panel; the cleaning head comprises a cleaning rolling brush and a driving part thereof, and a clear water spraying system, and the garbage and water stains enter the sewage tank through the garbage leading-in pipe so as to complete the cleaning process.

The water level of the sewage tank of the existing floor washing machine is detected by current detection or loop detection, and misjudgment is easy to occur.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sewage case water level detection device, includes sewage box and sewage case lid, and the sewage case lid covers on the sewage box, is equipped with the sewage cavity in the sewage box, install hall switch in the sewage case lid, be equipped with the floating plate in the sewage box, the upper end of floating plate is fixed with response magnet.

Furthermore, a connecting plate is fixed on the sewage tank cover, a slot with a downward opening is formed in the connecting plate, and one end of the floating plate is connected with the slot in an inserted mode.

Furthermore, the side wall of the floating plate is provided with a limiting sliding groove, and a limiting protrusion inserted into the limiting sliding groove is fixed on the floating plate.

Further, the lower extreme of connecting plate is equipped with the spread groove with spacing spout intercommunication, spacing bellied width is greater than the width of spread groove.

Further, two inner walls of the lower end of the connecting groove are provided with first guide inclined planes.

Further, two outer walls of the upper end of the limiting protrusion are provided with second guide inclined planes.

Further, the upper end of the floating plate is provided with a T-shaped ring groove, and the induction magnet is installed in the T-shaped ring groove.

Further, the floating plate is internally provided with a hollow.

Compared with the prior art, the utility model has the beneficial effects that:

(1) when sewage in the sewage tank body rises, the floating plate is driven to rise, when the induction magnet approaches the Hall switch, the Hall switch obtains a signal, the Hall switch sends the signal to the negative pressure suction device, and the negative pressure suction device stops sucking water into the sewage tank body;

(2) by arranging the connecting groove, the limiting protrusion can be conveniently installed in the limiting sliding groove;

(3) the limiting protrusion can be more conveniently installed into the limiting sliding groove by arranging the first guiding inclined plane and the second guiding inclined plane;

(4) the limit bulge can limit the stroke of the floating plate.

Drawings

FIG. 1 is a schematic view showing a structure of a waste water tank;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is an exploded view of FIG. 1;

FIG. 5 is a schematic view of a cover of the sewage tank;

FIG. 6 is an enlarged view of a portion of FIG. 5 at I;

fig. 7 is a schematic structural view of the floating plate.

In the figure: 1. a sewage tank cover; 2. a sewage tank body; 3. a connecting plate; 4. a floating plate; 5. a sewage cavity; 6. a limiting chute; 7. connecting grooves; 8. an induction magnet; 9. a limiting bulge; 10. a second guide ramp; 11. a first guide ramp; 12. a Hall switch; 13. air is pumped into the upper hole; 14. a slot; 15. pumping out the underwater hole; 16. a T-shaped ring groove; 17. a water pumping pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution of a sewage tank water level detection apparatus: the utility model provides a sewage tank water level detection device, including sewage box 2 and sewage case lid 1, sewage case lid 1 covers on sewage box 2, be equipped with sewage cavity 5 in the sewage box 2, be equipped with the hole 13 of bleeding on the sewage case lid 1, be equipped with the hole 15 of bleeding in the sewage box 2, sewage cavity 5 internal fixation has the drinking-water pipe with take out hole 15 intercommunication under the water, the negative pressure suction device of scrubber is through taking out hole 13 and taking out into the negative pressure in with sewage box 2, thereby take out the water on the round brush in the sewage cavity 5 of sewage box 2 through taking out hole 15 and drinking-water pipe 17 under the water.

As shown in fig. 3, a hall switch 12 is installed in the sewage tank cover 1, a floating plate 4 is installed in the sewage tank body 2, an induction magnet 8 is fixed at the upper end of the floating plate 4, when sewage of the sewage tank body 2 rises, the floating plate 4 is driven to rise, when the induction magnet 8 is close to the hall switch 12, the hall switch 12 obtains a signal, the hall switch 12 sends the signal to the negative pressure suction device, and the negative pressure suction device stops sucking water into the sewage tank body 2. The structure is sensitive in induction and accurate in water level detection.

As shown in fig. 4-6, a connecting plate 3 is fixed on the cover 1, a slot 14 with a downward opening is formed on the connecting plate 3, one end of the floating plate 4 is inserted into the slot 14, and the floating plate 4 can move up and down relative to the slot 14. Be equipped with spacing spout 6 on the lateral wall of floating plate 4, be fixed with the spacing arch 9 of pegging graft with spacing spout 6 on the floating plate 4, spacing arch 9 can reciprocate in spacing spout 6, and the stroke of floating plate 4 can be restricted in the setting of spacing arch 9.

As shown in fig. 4 to 6, in order to facilitate the installation of the limiting protrusion 9 into the limiting sliding groove 6, the lower end of the connecting plate 3 is provided with a connecting groove 7 communicated with the limiting sliding groove 6, and the width of the limiting protrusion 9 is greater than the width of the connecting groove 7. Two inner walls of the lower end of the connecting groove 7 are provided with first guide inclined planes 11, and two outer walls of the upper end of the limiting bulge 9 are provided with second guide inclined planes 10. When the limiting protrusion 9 needs to be installed into the limiting sliding groove 6, the first guide inclined surface 11 of the connecting groove 7 is extruded through the second guide inclined surface 10, so that the connecting groove 7 is opened, and the connecting groove 7 is restored to the original state after the limiting protrusion 9 completely penetrates through the connecting groove 7, and the installation of the limiting protrusion 9 is completed.

As shown in fig. 7, a T-shaped ring groove 16 is formed at the upper end of the floating plate 4, the induction magnet 8 is installed in the T-shaped ring groove 16, and the floating plate 4 is hollow, so that the buoyancy of the floating plate 4 can be increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sewage case water level detection device, includes sewage box and sewage case lid, and sewage case lid is equipped with sewage cavity, its characterized in that on the sewage box, in the sewage box: the sewage tank is characterized in that a Hall switch is installed in the sewage tank cover, a floating plate is arranged in the sewage tank body, and an induction magnet is fixed at the upper end of the floating plate.

2. The sewage tank water level sensing apparatus as claimed in claim 1, wherein: a connecting plate is fixed on the sewage tank cover, a slot with a downward opening is formed in the connecting plate, and one end of the floating plate is connected with the slot in an inserting mode.

3. The wastewater tank water level detection apparatus according to claim 2, wherein: the side wall of the floating plate is provided with a limiting sliding groove, and a limiting protrusion inserted into the limiting sliding groove is fixed on the floating plate.

4. The wastewater tank water level detecting apparatus according to claim 3, wherein: the lower extreme of connecting plate is equipped with the spread groove with spacing spout intercommunication, spacing bellied width is greater than the width of spread groove.

5. The sewage tank water level detection apparatus as claimed in claim 4, wherein: two inner walls of the lower end of the connecting groove are provided with first guide inclined planes.

6. The sewage tank water level detection apparatus as claimed in claim 5, wherein: two outer walls of the upper end of the limiting protrusion are provided with second guide inclined planes.

7. The wastewater tank water level detection apparatus according to claim 1, wherein: the upper end of the floating plate is provided with a T-shaped annular groove, and the induction magnet is installed in the T-shaped annular groove.

8. The wastewater tank water level detection apparatus according to claim 1, wherein: the floating plate is internally hollow.