CN216616113U - Negative pressure deodorization ventilation system for toilet - Google Patents

Abstract

The utility model discloses a negative pressure deodorization ventilation system for a toilet, which belongs to the technical field of air treatment devices and comprises an air outlet, wherein a negative pressure fan is arranged in the air outlet, a mounting plate is arranged below the air outlet, the lower end of the mounting plate is hinged with a swing arm, a splash guard is fixedly connected onto the swing arm, a storage bin is arranged at the top of the splash guard, a deodorization material is arranged in the storage bin, a plurality of air holes communicated with the storage bin are formed in the inner top wall of the splash guard, the splash guard is driven to turn over up and down by a turning unit, and the storage bin is communicated with the interior of the air outlet through an air pipe. Overturn downwards and cover the stool pot oral area of squatting pan through upset unit drive splashproof cover, like this when flushing, during bacterium in the stool pot can not the quick loss air, cause the bacterium to adhere to on the bathroom wall, through setting up the trachea for negative pressure fan can take out the air of stool pot top at the during operation, handles the peculiar smell through deodorizing material in addition, avoids the peculiar smell to spread in the air.

Description

Negative pressure deodorization ventilation system for toilet

Technical Field

The utility model relates to the technical field of air treatment devices, in particular to a negative-pressure deodorization and ventilation system for a toilet.

Background

In the conventional ventilation design of the public washroom, only a negative pressure exhaust fan is generally arranged, so that indoor air forms uniform airflow and is then exhausted to the outside. Compared with the natural ventilation mode without a fan, the forced air exhaust can greatly improve the indoor air quality, and is an inevitable choice for a closed type public washroom.

Through search, chinese patent No. CN112031472A discloses a box-type room toilet and its deodorizing system. The deodorization system comprises a negative pressure exhaust pipeline, a negative pressure self-exhaust device, a shutter, a device interlayer and a mechanical exhaust device. The negative pressure self-exhaust equipment is connected with a negative pressure exhaust pipeline, an active carbon filtering device is arranged in the negative pressure exhaust pipeline, the bottom end of the negative pressure exhaust pipeline is a low-level air suction opening close to a squatting toilet, and the top end of the negative pressure exhaust pipeline is close to a shutter. The shutter is arranged on the side wall of the equipment interlayer, and the mechanical air exhaust device is arranged on the bottom wall of the equipment interlayer.

Deodorization exhaust apparatus among the above-mentioned prior art sets up the inlet scoop through squatting the lavatory position and improves exhaust efficiency, but the deodorization exhaust efficiency of this kind of mode is lower, and the pedestrian when squatting the lavatory convenient, in the water entering inlet scoop when probably leading to washing by water, can lead to the quick loss of bacterium to the air when washing by water in addition, and current deodorization apparatus can't handle.

Based on this, the utility model designs a negative pressure deodorization ventilation system for a toilet to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a negative pressure deodorizing and ventilating system for a toilet, which aims to solve the problems that deodorizing and exhausting equipment in the prior art proposed in the background art improves the exhausting efficiency by arranging an air suction opening at the squatting position, but the deodorizing and exhausting efficiency of the mode is low, water during flushing can possibly enter the air suction opening when pedestrians conveniently squat the toilet, bacteria can quickly escape into the air during flushing, and the existing deodorizing equipment cannot process the water.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bathroom negative pressure deodorization ventilation system, includes the air exit, install the negative pressure fan in the air exit, the air exit below is equipped with the mounting panel, the mounting panel lower extreme articulates there is the swing arm, the rigid coupling has the splash guard on the swing arm, the splash guard top is equipped with stores the storehouse, be equipped with the deodorant material in the storage storehouse, the roof is equipped with a plurality of bleeder vents that communicate with the storage storehouse in the splash guard, the splash guard is overturn from top to bottom by the upset unit drive, it communicates through the trachea with the air exit is inside to store the storehouse.

In the above negative pressure deodorizing and ventilating system for a toilet, a human body sensor is provided on the mounting plate.

In the negative pressure deodorizing and ventilating system for a toilet, the air outlet is provided with a filter screen.

In the negative pressure deodorizing and ventilating system for the toilet, the outer wall of the splash guard is provided with a plurality of air inlet grooves.

In the negative pressure deodorizing and ventilating system for the toilet, the top of the storage bin is provided with a protruding part, the protruding part is vertically provided with a spring, and the spring is sleeved at the lower end of the air pipe.

In the above negative pressure deodorizing and ventilating system for a toilet, the top of the protruding part is provided with a groove for clamping and installing the lower end of the spring.

In the negative pressure deodorizing and ventilating system for the toilet, the turnover unit comprises a movable hinged support hinged to the mounting plate, a linear driving element is mounted on the movable hinged support, a movable block is connected to the linear driving element in a driving mode, and the movable block is pivoted with the top of the splash guard.

In the above negative pressure deodorizing and ventilating system for a toilet, the linear driving element is an electric push rod, and an expansion rod of the electric push rod is in threaded connection with the movable block.

Compared with the prior art, the utility model has the beneficial effects that: the splash guard is driven by the turnover unit to turn downwards and cover the opening of the squatting pan, so that when flushing, the bacteria in the toilet bowl can not be quickly dissipated into the air, so that the bacteria are attached to the wall of the toilet, through the air pipe, the negative pressure fan can pump out the air above the toilet bowl when in work, in addition, the odor is treated by the deodorizing material to prevent the odor from diffusing into the air, and by arranging the spring, so that the lower end part of the air pipe can not be bent and deformed to cause bad air exhaust when the splash guard is turned over, in addition, the negative pressure fan can not only perform integral air exhaust to the inside of the toilet, but also can improve the air exhaust efficiency to the upper part of the mouth part of the toilet, through setting up human inductive transducer for like the lavatory time, the splashproof cover can open automatically and like the lavatory back that finishes, and the splashproof cover can overturn downwards automatically and cover the stool pot, makes and need not manual mode operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the final assembly of the present invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

fig. 3 is a bottom view of the structure of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-air outlet, 2-filter screen, 3-air pipe, 4-movable hinged support, 5-electric push rod, 6-mounting plate, 7-swing arm, 8-movable block, 9-storage bin, 10-air inlet groove, 11-splash guard, 12-negative pressure fan, 13-air vent, 14-spring and 15-bulge.

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. 1-3, the present invention provides a technical solution: a negative pressure deodorization ventilation system for a toilet comprises an air outlet 1, wherein the air outlet 1 is arranged on the wall of the toilet, two ends of the air outlet 1 are respectively positioned inside and outside the toilet, a negative pressure fan 12 is arranged in the air outlet 1, the negative pressure fan 12 rotates when being powered by an external power supply and discharges the negative pressure of air in the toilet, a mounting plate 6 is arranged below the air outlet 1, the mounting plate 6 is arranged on the wall in the toilet through screws or welding modes, the lower end of the mounting plate 6 is hinged with a swing arm 7, a splash guard 11 is fixedly connected to the swing arm 7, the splash guard 11 is arranged on the rear side of a toilet (generally used for a squatting toilet), the splash guard 11 can cover the opening of the toilet after being turned downwards, a storage bin 9 is arranged at the top of the splash guard 11, a deodorization material is arranged in the storage bin 9, the deodorization material can be set to be active carbon, a plurality of air holes 13 communicated with the storage bin 9 are arranged on the inner top wall of the splash guard 11, the splash guard 11 is overturned from top to bottom by the drive of the overturning unit, the storage bin 9 is communicated with the air outlet 1 through the air pipe 3, the air above the toilet mouth part enters the storage bin 9 through the air holes 13, the air is purified through the activated carbon, the peculiar smell in the air is adsorbed in the activated carbon, the treated air enters the negative pressure fan through the air pipe 3 and is discharged, so that the negative pressure fan can integrally exhaust the interior of a toilet, the peculiar smell air above the toilet mouth part can be discharged, and the treatment efficiency of the peculiar smell is improved. The mounting plate 6 is provided with a human body induction sensor (the structure and the working principle of the human body induction sensor are the prior art, which are not described herein), when a person is close to the mouth of the toilet bowl, the human body induction sensor generates an induction signal and feeds the induction signal back to an external controller such as a single chip microcomputer, and then the single chip microcomputer controls the turning unit to act, so that the splash guard 11 turns upwards to expose the mouth of the toilet bowl, so that the toilet can be used, after the toilet is finished, the human body induction sensor loses the induction signal, and then the controller starts the turning unit to act, so that the splash guard turns downwards and covers the mouth of the toilet bowl, so that a large amount of bacteria generated during flushing after the toilet is finished can not be dissipated into the air, the air outlet 1 is provided with the filter screen 2, and the floating objects can not enter the air outlet through the arrangement of the filter screen 2, and influence the negative pressure fan, the outer wall of the splash guard 11 is provided with a plurality of air inlet grooves 10, so that air can enter the splash guard, air flow can be formed inside the splash guard, the top of the storage bin 9 is provided with a bulge 15, a spring 14 is vertically arranged on the bulge 15, the spring 14 is sleeved at the lower end part of the air pipe 3, when the splash guard turns upwards, the lower end part of the air pipe 3 can be bent, and further the air flow cannot smoothly enter the negative pressure fan, at the moment, the air pipe 3 keeps a bent state rather than a bent state through elastic bending of the spring, the deformation of the air pipe is avoided, in addition, the top of the bulge 15 is provided with a groove for clamping and installing the lower end of the spring 14, so that the spring cannot be separated from the bulge, in addition, specifically, the turning unit comprises a movable hinged support 4 hinged on the mounting plate 6, an electric push rod 5 is arranged on the movable hinged support 4, and a movable block 8 is connected with a telescopic rod of the electric push rod 5 through a thread, the movable block 8 is pivoted with the top of the splash guard 11, and the telescopic rod of the electric push rod stretches and retracts to correspondingly drive the movable block to move, so that the splash guard can be driven to overturn up and down.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides a bathroom negative pressure deodorization ventilation system, includes air exit (1), install negative pressure fan (12) in air exit (1), a serial communication port, air exit (1) below is equipped with mounting panel (6), mounting panel (6) lower extreme articulates there is swing arm (7), the rigid coupling has splash guard (11) on swing arm (7), splash guard (11) top is equipped with stores storehouse (9), be equipped with the deodorant material in storing storehouse (9), the roof is equipped with bleeder vent (13) a plurality of and store storehouse (9) intercommunication in splash guard (11), splash guard (11) are overturn from top to bottom by the upset unit drive, store storehouse (9) and air exit (1) inside communicate through trachea (3).

2. The negative pressure deodorizing and ventilating system according to claim 1, wherein a human body induction sensor is provided on said mounting plate (6).

3. The negative-pressure deodorizing and ventilating system according to claim 1, wherein said air outlet (1) is provided with a strainer (2).

4. The negative pressure deodorizing and ventilating system for toilets according to claim 1, wherein said splash guard (11) has a plurality of air intake grooves (10) on its outer wall.

5. The negative-pressure deodorizing and ventilating system according to claim 1, wherein a protrusion (15) is provided on the top of the storage chamber (9), a spring (14) is vertically installed on the protrusion (15), and the spring (14) is sleeved on the lower end of the air pipe (3).

6. A toilet negative pressure deodorizing and ventilating system according to claim 5, wherein said projecting portion (15) is provided at the top with a groove for the lower end of the spring (14) to be fitted.

7. The negative-pressure deodorizing and ventilating system for toilets according to claim 1, wherein said turning unit comprises a movable hinge base (4) hinged on a mounting plate (6), said movable hinge base (4) is installed with a linear driving element, said linear driving element is connected with a movable block (8) in a driving manner, said movable block (8) is pivoted with the top of said splash guard (11).

8. The negative-pressure deodorizing and ventilating system according to claim 7, wherein said linear driving element is an electric push rod (5), and the telescopic rod of said electric push rod (5) is screw-connected with the movable block (8).

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