CN221030496U

CN221030496U - Negative pressure deodorizing device for toilet

Info

Publication number: CN221030496U
Application number: CN202323015658.3U
Authority: CN
Inventors: 杨蕴蕾
Original assignee: Shanghai Construction Environmental Engineering Co ltd
Current assignee: Shanghai Construction Environmental Engineering Co ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-05-28
Anticipated expiration: 2033-11-08

Abstract

The utility model relates to the technical field of toilet deodorization, and discloses a negative pressure deodorizing device for a toilet, which comprises a box body, an air outlet cover, an air inlet piece, an exhaust pipe, a non-return piece, an exhaust fan, a sterilizing piece and a deodorizing piece, wherein the air outlet cover and the air inlet piece are respectively arranged at the top and the bottom of the box body; the utility model utilizes the exhaust fan to extract the gas in the toilet to the inside of the box through the air inlet pipe at the bottom of the box, then disinfects the gas through the disinfection piece in the box, purifies the gas through the deodorizing piece, discharges the treated gas out of the toilet through the air outlet cover and the exhaust pipe, and utilizes the non-return piece on the exhaust pipe to non-return the exhaust pipe, thereby avoiding the gas backflow caused by the external gas blowing into the box.

Description

Negative pressure deodorizing device for toilet

Technical Field

The utility model relates to the technical field of toilet deodorization, in particular to a negative pressure deodorizing device for a toilet.

Background

The toilet is generally used in places where human beings build and special for human beings to perform physiological excretion and to place (treat) excretions, and public toilets, which are called public toilets for short, are commonly used by urban residents and mobile population, and when the toilet is used, the toilet is a closed space, so that the excretions generate stink, and therefore, the toilet deodorizing device is needed.

The utility model discloses a lavatory deodorizing device with negative pressure structure is disclosed to contrast document CN217580444U, be provided with the aromatherapy ware in the deodorizing unit, can be equipped with the liquid that volatilizees easily in the aromatherapy ware, the air after filtering in the aromatherapy ware is discharged from the guide duct after the liquid volatilizees certainly, can react with the smell in the lavatory after some liquid volatilize, reach the purpose of eliminating the peculiar smell, but above-mentioned device realizes the circulation in the organism inside, then discharge the gas after handling to the lavatory inside, the air is shorter at the processing time of collective inside, the gas has the risk of handling inadequately, and the organism needs to install in the lower part region of lavatory and receives the injury easily.

Disclosure of utility model

The utility model aims to provide a negative pressure deodorizing device for a toilet, which is used for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the negative pressure deodorizing device for the toilet comprises a box body, an air outlet cover and an air inlet piece, wherein the air outlet cover and the air inlet piece are respectively arranged at the top and the bottom of the box body, and the negative pressure deodorizing device further comprises an exhaust pipe arranged at the outer side of the air outlet cover and used for exhausting air, a non-return piece arranged at the outer side of the exhaust pipe, an exhaust fan arranged in the box body and used for sucking air, and a sterilizing piece arranged in the box body and used for sterilizing air and a deodorizing piece used for purifying air.

Preferably, the non-return piece includes the connecting pipe with the blast pipe intercommunication, rotates the semicircle board of connecting inside the connecting pipe, the semicircle board is provided with two and rotates the connection each other, the inside fixedly connected with connecting rod of connecting pipe, the outside of connecting rod is provided with the torsional spring, the torsional spring joint is in the outside of semicircle board.

Preferably, the non-return element further comprises a mounting plate fixedly connected to the outer side of the connecting pipe.

Preferably, the air inlet piece comprises an air inlet cover fixed at the bottom of the box body, a conduit communicated with the air inlet cover and a branch pipe communicated with the conduit.

Preferably, the sterilizing element comprises a filter plate and an alcohol sterilizing plate which are fixedly connected in the box body.

Preferably, the deodorizing component comprises an active carbon plate and an aromatherapy plate which are fixedly connected in the box body.

Preferably, the port parts of the exhaust pipe and the branch pipe are fixedly connected with filter screens.

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

the utility model utilizes the exhaust fan to extract the gas in the toilet to the inside of the box through the air inlet pipe at the bottom of the box, then disinfects the gas through the disinfection piece in the box, purifies the gas through the deodorizing piece, discharges the treated gas out of the toilet through the air outlet cover and the exhaust pipe, and utilizes the non-return piece on the exhaust pipe to non-return the exhaust pipe, thereby avoiding the gas backflow caused by the external gas blowing into the box.

Drawings

FIG. 1 is a schematic view of a negative pressure deodorizing device for toilets according to a preferred embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure of the case provided by the utility model;

FIG. 3 is a schematic view of a connecting pipe according to the present utility model;

fig. 4 is a schematic structural view of a backstop provided by the utility model.

In the figure: 1. a case; 2. an air outlet cover; 3. an exhaust pipe; 4. a non-return element; 401. a connecting pipe; 402. a mounting plate; 403. a semicircular plate; 404. a connecting rod; 405. a torsion spring; 5. an air intake; 501. an air inlet cover; 502. a conduit; 503. a branch pipe; 6. an exhaust fan; 7. a sterilizing member; 701. a filter plate; 702. an alcohol sterilizing plate; 8. a deodorizing member; 801. an activated carbon plate; 802. an aromatherapy plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a negative pressure deodorizing device for a toilet includes a box 1, an air outlet cover 2, and an air inlet member 5, wherein the air outlet cover 2 and the air inlet member 5 are respectively disposed at the top and bottom of the box 1, and further include an air outlet pipe 3 disposed at the outer side of the air outlet cover 2 for exhausting air, a non-return member 4 disposed at the outer side of the air outlet pipe 3, an exhaust fan 6 disposed in the box 1 for sucking air, a sterilizing member 7 disposed in the box 1 for sterilizing air, and a deodorizing member 8 for purifying air.

It should be noted that: the exhaust fan 6 is utilized to pump the gas in the toilet to the inside of the box 1 through the air inlet piece 5 at the bottom of the box 1, then the gas is disinfected by the disinfecting piece 7 in the box 1, the gas is purified and deodorized by the deodorizing piece 8, the treated gas is discharged out of the toilet through the air outlet cover 2 and the exhaust pipe 3, the non-return piece 4 on the exhaust pipe 3 is utilized to non-return the exhaust pipe 3, and the gas backflow caused by the fact that the external gas is blown into the box 1 is avoided.

Referring to fig. 1, 3 and 4, the non-return element 4 comprises a connecting pipe 401 communicated with the exhaust pipe 3 and a semicircular plate 403 rotatably connected inside the connecting pipe 401, the semicircular plate 403 is provided with two connecting rods which are rotatably connected with each other, a connecting rod 404 is fixedly connected inside the connecting pipe 401, a torsion spring 405 is arranged outside the connecting rod 404, and the torsion spring 405 is clamped outside the semicircular plate 403; the backstop 4 further comprises a mounting plate 402 fixedly connected to the outer side of the connecting pipe 401; the gas is introduced into the connecting pipe 401 from the exhaust pipe 3, the gas pushes the two semicircular plates 403 to be close to each other, the channel of the connecting pipe 401 is opened, the gas is discharged, the semicircular plates 403 are reset by the torsion springs 405 when the gas is not discharged, the connecting pipe 401 is closed, and the gas cannot push the semicircular plates 403 from the outside due to the fact that the limiting plates are arranged on one sides of the semicircular plates 403.

Referring to fig. 1, the air intake 5 includes an air intake shroud 501 fixed to the bottom of the case 1, a duct 502 communicating with the air intake shroud 501, and a branch pipe 503 communicating with the duct 502; the end opening parts of the exhaust pipe 3 and the branch pipe 503 are fixedly connected with filter screens; the branch pipes 503 are distributed at the lower part of the toilet, so that the odor can be rapidly pumped away, and then discharged into the tank 1 through the guide pipe 502 and the air inlet cover 501.

Referring to fig. 2, the sterilizing unit 7 includes a filter plate 701 and an alcohol sterilizing plate 702 fixedly coupled to the inside of the cabinet 1; the deodorizing element 8 comprises an active carbon plate 801 and an aromatherapy plate 802 which are fixedly connected inside the case 1; the gas is filtered and disinfected by the filter plate 701 and the alcohol disinfection plate 702, the alcohol disinfection plate 702 is made of sponge absorbing alcohol, the treated gas is absorbed by the activated carbon plate 801, and the odor of the gas is weakened by further deodorizing the gas by the aromatherapy plate 802.

Working principle: branch pipe 503 dispersedly sets up in the lower department of lavatory, can take off the foul smell fast with the air exhauster 6, then discharge into box 1 inside through pipe 502 and inlet cover 501, utilize filter 701 and alcohol disinfection board 702 to gas filtration and disinfection, alcohol disinfection board 702 is made by the sponge that adsorbs alcohol, the gas after the processing is again through activated carbon plate 801 adsorption treatment, the further deodorization processing of gas is again used to the champignon board 802, weaken the peculiar smell of gas, the gas lets in inside connecting pipe 401 from blast pipe 3, two semicircle boards 403 are drawn close each other to gas promotion, the passageway of connecting pipe 401 is opened, the gas can be discharged, torsion spring 405 resets semicircle board 403 when not exhausting, seal connecting pipe 401, because one side of semicircle board 403 is provided with the limiting plate, the gas can not push away semicircle board 403 from the outside, avoid external gas to blow into the inside box 1 and cause the gas reflux.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. A negative pressure deodorizing device for lavatory, includes box (1), gas outlet cover (2) and inlet piece (5), its characterized in that: the exhaust hood (2) and the air inlet piece (5) are respectively arranged at the top and the bottom of the box body (1), and further comprise an exhaust pipe (3) arranged at the outer side of the exhaust hood (2) and used for exhausting, a non-return piece (4) arranged at the outer side of the exhaust pipe (3), an exhaust fan (6) arranged in the box body (1) and used for sucking air, and a disinfection piece (7) arranged in the box body (1) and used for disinfecting air and a deodorizing piece (8) used for purifying air.

2. A negative pressure deodorizing device for toilets according to claim 1, wherein: the non-return piece (4) include with connecting pipe (401) of blast pipe (3) intercommunication, rotate and connect at inside semicircle board (403) of connecting pipe (401), semicircle board (403) are provided with two and mutual rotation connection, the inside fixedly connected with connecting rod (404) of connecting pipe (401), the outside of connecting rod (404) is provided with torsional spring (405), torsional spring (405) joint is in the outside of semicircle board (403).

3. A negative pressure deodorizing device for toilets according to claim 1, wherein: the non-return element (4) also comprises a mounting plate (402) fixedly connected to the outer side of the connecting pipe (401).

4. A negative pressure deodorizing device for toilets according to claim 1, wherein: the air inlet piece (5) comprises an air inlet cover (501) fixed at the bottom of the box body (1), a conduit (502) communicated with the air inlet cover (501) and a branch pipe (503) communicated with the conduit (502).

5. A negative pressure deodorizing device for toilets according to claim 1, wherein: the sterilizing piece (7) comprises a filter plate (701) and an alcohol sterilizing plate (702) which are fixedly connected inside the box body (1).

6. A negative pressure deodorizing device for toilets according to claim 1, wherein: the deodorizing piece (8) comprises an active carbon plate (801) and an aromatherapy plate (802) which are fixedly connected inside the box body (1).

7. A negative pressure deodorizing device for toilets according to claim 4, wherein: the port parts of the exhaust pipe (3) and the branch pipe (503) are fixedly connected with filter screens.