CN219927419U - Bus air purifier - Google Patents

Abstract

The utility model provides a bus air purifier, and relates to the field of environmental protection equipment. The bus air purifier comprises a cylindrical shell, a filtering unit and a vacuum pump. The cylindrical shell is provided with an inner cavity, an air inlet hole and an air outlet hole which are all communicated with the inner cavity, the air inlet hole is positioned on the peripheral wall of the cylindrical shell, and the air outlet hole is positioned at one end of the cylindrical shell. The filtering unit is arranged in the inner cavity and connected with the cylindrical shell, and the filtering unit is used for filtering air entering the inner cavity from the air inlet hole. The vacuum pump is connected with the tubular shell, and the air inlet end of the vacuum pump is communicated with the exhaust hole, and the vacuum pump is used for exhausting gas in the inner cavity so as to generate negative pressure in the inner cavity. The purifier is matched with original air purifying equipment of the bus to comprehensively purify air in a carriage of the bus, and the air purifying effect is improved.

Description

Bus air purifier

Technical Field

The utility model relates to the field of environmental protection equipment, in particular to an air purifier for a bus.

Background

The bus is a motor vehicle which runs along a fixed route on an urban road and bears passengers at fixed shift time or not. In general, buses are one of the most common mass transportation vehicles. The urban and motorized development makes urban population and region continuously increased, and demand for public transportation is correspondingly and rapidly increased, so that public transportation enterprises are required to input more buses. With the development of industrialization, the air quality is poor, haze in cities seriously threatens the health of people, and in public areas, particularly buses, the people flow density is high, the air quality is poor, and viruses can be rapidly transmitted and cross infection is realized. In the prior art, the device for purifying air is usually arranged at the top of a vehicle, the air purifying effect of the device is good when the device is close to the carriage, but the carriage space is large, and the air purifying effect of the carriage position away from the device is poor.

Disclosure of Invention

The utility model aims to provide an air purifier for a bus, which can be matched with the original air purifying equipment of the bus to comprehensively purify the air in the carriage of the bus and improve the air purifying effect.

Embodiments of the present utility model are implemented as follows:

in a first aspect, the present utility model provides a bus air purifier comprising:

the cylindrical shell is provided with an inner cavity, an air inlet hole and an air outlet hole which are all communicated with the inner cavity, the air inlet hole is positioned on the peripheral wall of the cylindrical shell, and the air outlet hole is positioned at one end of the cylindrical shell;

the filtering unit is arranged in the inner cavity and connected with the cylindrical shell, and is used for filtering air entering the inner cavity from the air inlet hole;

and the vacuum pump is connected with the cylindrical shell, the air inlet end of the vacuum pump is communicated with the air exhaust hole, and the vacuum pump is used for exhausting the gas in the inner cavity so as to generate negative pressure in the inner cavity.

In an alternative embodiment, the filtering unit includes a support frame and a filter screen, the support frame is detachably connected with the cylindrical shell, the filter screen is mounted on the support frame, and the filter screen shields the air inlet hole.

In an alternative embodiment, the support frame comprises a first ring, a connecting rod and a second ring, wherein the first ring and the second ring are oppositely arranged at intervals, the connecting rod is simultaneously connected with the first ring and the second ring, the filter screen is arranged into an annular structure, and the filter screen is sleeved outside the first ring and the second ring and wraps the connecting rod; the filter screen is attached to the inner peripheral surface of the cylindrical shell.

In an alternative embodiment, the cylindrical housing comprises a cylinder and an end plate, the cylinder has a first end and a second end which are opposite, the first end is provided as a closed end, the second end is provided as an open end, and the air inlet holes are formed on the peripheral wall of the cylinder; the end plate is connected with the cylinder body and seals the second end; the exhaust hole is arranged on the end plate; the support frame is embedded in the cylinder, and the end plate is abutted with the support frame so as to limit the support frame to deviate from the cylinder.

In alternative embodiments, the end plate is connected to the cylinder by bolts, screws or screws.

In an alternative embodiment, an elastic member is provided between the closed end of the cylinder and the support frame, the elastic member being configured to cause the support frame to have a tendency to move closer to the end plate.

In an alternative embodiment, the elastic element is provided as a spring, a leaf spring or a rubber element.

In an alternative embodiment, a first sealing ring and a second sealing ring are arranged between the supporting frame and the cylinder body, the first sealing ring and the second sealing ring are arranged at intervals in the axial direction of the cylinder body, and the air inlet hole is positioned between the first sealing ring and the second sealing ring.

In an alternative embodiment, the bus air purifier further comprises a dust cover connected to the cylindrical housing, and the vacuum pump is located in an area defined by the dust cover and the cylindrical housing.

In an alternative embodiment, the dust cover is provided with an air outlet opening, and a flexible cloth layer with meshes is arranged at the air outlet opening.

The embodiment of the utility model has the beneficial effects that:

to sum up, the bus air purifier provided in this embodiment fixes the tubular housing at the side, back or lower part etc. of the seat, and each seat in the carriage can be configured with at least one purifier, so, a plurality of purifiers cooperate, can cover almost all regions in the carriage, thereby purifying the air in the carriage in all directions, improving the purifying effect. When the vacuum pump is used, the vacuum pump is started to suck away the gas in the cylindrical shell, negative pressure is generated in the inner cavity of the cylindrical shell, air in the carriage enters the cylindrical shell from the air inlet hole under the action of the negative pressure, the air passes through the filtering unit in the process of entering the inner cavity of the cylindrical shell from the air inlet hole, the filtering unit purifies the air, the purified air returns to the carriage through the vacuum pump, and therefore, the air in the carriage can realize circulating flow, and the purification is completed in the circulating flow process. Through the cooperation of a plurality of purifiers, be difficult for having the purification dead angle in the carriage, the air in the carriage can obtain whole purification to improve purifying effect, do benefit to and provide good riding environment for the passenger.

In addition, can be connected with smart machine such as cell-phone through communication module such as bluetooth, through the operation state of the clarifier of cell-phone automatic adjustment correspondence, control the convenience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a bus air purifier according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a supporting frame according to an embodiment of the utility model;

fig. 3 is a schematic cross-sectional structure of a filter unit according to an embodiment of the present utility model.

Icon:

100-a cylindrical housing; 101-lumen; 102-an air inlet hole; 103-exhaust holes; 110-a cylinder; 120-end plates; 130-fasteners; 200-a filtration unit; 210-a support frame; 211-a first ring; 212-connecting rods; 213-a second ring; 214-a first sealing ring; 215-a second seal ring; 220-a filter screen; 300-a vacuum pump; 400-elastic member; 500-dust cap; 600-flexible cloth layer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

At present, an air purification system on a bus is generally arranged on a roof, and aims to exhaust air in the bus out of the bus, so that the air outside the bus flows into the bus after being purified, the air quality in the bus is high, and passengers can breathe easily. However, when the air purification system of the existing bus operates, the purified air cannot cover the whole carriage due to large carriage space, so that purification dead angles exist and the purification effect is poor.

In view of this, the designer provides a bus air purifier, and it can cooperate the original clean system of bus to purify the air in the car, increases the coverage area, improves the air purification effect in the car.

Referring to fig. 1 to 3, in the present embodiment, the bus air purifier includes a cylindrical housing 100, a filter unit 200, and a vacuum pump 300. The cylindrical housing 100 is provided with an inner cavity 101, an air inlet hole 102 and an air outlet hole 103 which are all communicated with the inner cavity 101, the air inlet hole 102 is positioned on the peripheral wall of the cylindrical housing 100, and the air outlet hole 103 is positioned at one end of the cylindrical housing 100. The filter unit 200 is disposed in the inner cavity 101 and connected with the cylindrical housing 100, and the filter unit 200 is used for filtering air entering the inner cavity 101 from the air inlet hole 102. The vacuum pump 300 is connected to the cylindrical housing 100, an air inlet end of the vacuum pump 300 is communicated with the air outlet 103, and the vacuum pump 300 is used for discharging the air in the inner cavity 101 to generate negative pressure in the inner cavity 101.

With the above, the working principle of the bus air purifier provided in this embodiment is as follows:

the quantity of clarifier is selected as required, and during the assembly, fix the tubular shell 100 of clarifier in the lateral part of seat, back or lower part etc. to every seat can dispose at least one clarifier in the carriage, so, a plurality of purifiers cooperation can cover nearly all regions in the carriage, thereby carries out the omnidirectional purification to the air in the carriage, improves purifying effect. When the purifier operates, the vacuum pump 300 is started to suck the air in the cylindrical shell 100, negative pressure is generated in the inner cavity 101 of the cylindrical shell 100, air in a carriage enters the cylindrical shell 100 from the air inlet hole 102 under the action of the negative pressure, the air is purified by the filtering unit 200 in the process of entering the inner cavity 101 of the cylindrical shell 100 from the air inlet hole 102, and the purified air is returned to the carriage through the vacuum pump 300, so that the air in the carriage can realize circulating flow, and the purification is completed in the circulating flow process. Through the cooperation of a plurality of purifiers, be difficult for having the purification dead angle in the carriage, the air in the carriage can obtain whole purification to improve purifying effect, do benefit to and provide good riding environment for the passenger.

It should be appreciated that the purifier may be communicatively coupled to a controller provided at the cab of the vehicle through which the driver may manipulate the operating state of the purifier. Or in other embodiments, each purifier can be connected with intelligent devices such as a mobile phone and a tablet through a communication module such as Bluetooth, and passengers can automatically adjust the operation state of the corresponding purifier through the mobile phone or the tablet after connecting the purifiers, so that the operation and the control are convenient and flexible, and the use is convenient.

The following examples illustrate the detailed structure of the bus air purification system provided by the present utility model.

In this embodiment, optionally, the cylindrical housing 100 includes a cylinder 110, an end plate 120, and a fastener 130. The cylinder 110 is provided in a cylindrical structure, the cylinder 110 has a first end and a second end which are disposed opposite to each other in an axial direction thereof, the first end is provided as a closed end, the second end is provided as an open end, and the air intake holes 102 are provided on a peripheral wall of the cylinder 110. It should be understood that the number of the air intake holes 102 may be set to be plural, and the plurality of air intake holes 102 are arranged on the peripheral wall of the cylinder 110 at intervals, and the filter unit 200 can cover all the air intake holes 102, so as to ensure that the external air is purified when entering the inner cavity 101 of the cylindrical housing 100 through the air intake holes 102. The end plate 120 is detachably connected to the cylinder 110 by a fastener 130, and the end plate 120 can open or close the second end. The gas discharge hole 103 is provided at a middle position of the end plate 120.

Optionally, the fastening members 130 may be set as screws, bolts or screws, and by setting a plurality of fastening members 130 around the end plate 120, each fastening member 130 is screwed with the end face where the second end of the cylinder 110 is located, so that the end plate 120 is fixedly connected with the cylinder 110, and the disassembly and assembly are very convenient.

Further, a hook may be installed at the outer side of the first end of the cylinder 110, and the purifier may be fixed at the bottom or the side of the seat by using the hook, so that the fixing manner is simple and the disassembly and assembly are convenient.

In this embodiment, optionally, the filtering unit 200 includes a supporting frame 210 and a filtering screen 220, the filtering screen 220 is mounted on the supporting frame 210, the supporting frame 210 is inserted into the cylinder 110, and the filtering screen 220 covers the plurality of air inlets 102 on the peripheral wall of the cylinder 110. So designed, the filter screen 220 is held in shape by the support frame 210 to facilitate assembly with the cylinder 110. Meanwhile, when the filter screen 220 needs to be replaced, the support frame 210 is taken out from the cylinder 110, the filter screen 220 is separated from the cylinder 110, and then the filter screen 220 is detached from the support frame 210, so that the replacement is convenient.

Further, the support frame 210 includes a first ring 211, a connecting rod 212, a second ring 213, a first seal 214, and a second seal 215. The first rings 211 and the second rings 213 are arranged at intervals, the number of the connecting rods 212 can be multiple, and two ends of each connecting rod 212 are respectively connected with the first rings 211 and the second rings 213, so that the supporting frame 210 forms a grid structure. The filter screen 220 is arranged to be of an annular structure, the filter screen 220 is sleeved outside the first ring 211 and the second ring 213 and wraps the connecting rods 212, a space can be reserved between the filter screen 220 and the connecting rods 212, and the connecting rods 212 are prevented from blocking meshes of the filter screen 220. The first sealing ring 214 is sleeved outside the first ring 211, and the second sealing ring 215 is sleeved outside the second ring 213. When the support frame 210 is inserted into the cylinder 110, the first ring 211 is disposed near the first end, the second ring 213 is disposed near the second end, and the end plate 120 can abut against the second ring 213 to limit the second ring 213 from being separated from the cylinder 110 from the second end. The filter mesh 220 is bonded to the inner peripheral surface of the cylindrical housing 100. The first seal 214 and the second seal 215 are both in sealing connection with the inner peripheral surface of the cylinder 110. The plurality of air inlets are all located between the first sealing ring 214 and the second sealing ring 215, so that air is not easy to be discharged from the gap between the filter screen 220 and the inner peripheral surface of the cylinder 110, and the purifying effect is good.

Furthermore, annular grooves may be provided on the first ring 211 and the second ring 213, with the first seal ring 214 and the second seal ring 215 being positioned by corresponding annular grooves.

Further, an elastic member 400 is disposed between the closed end of the cylinder 110 and the first ring 211 of the support frame 210, and the elastic member 400 is used to make the support frame 210 have a movement trend close to the end plate 120, so that the filter unit 200 is clamped between the closed end of the cylinder 110 and the end plate 120, and is not easy to shake, not easy to be damaged due to friction, and has a long service life.

It should be appreciated that the resilient member 400 may be, but is not limited to, a spring, a leaf spring, or a rubber member.

In this embodiment, optionally, the bus air purifier further includes a dust cover 500, where the dust cover 500 is connected to the end plate 120 of the cylindrical housing 100, and the vacuum pump 300 is mounted on the end plate 120 and located in an area defined by the dust cover 500 and the cylindrical housing 100 together. The dust cover 500 is provided with an air outlet opening, and a flexible cloth layer 600 with meshes is arranged at the air outlet opening, that is, the flexible cloth layer 600 is connected with the dust cover 500 and shields the air outlet opening. When the vacuum pump 300 discharges the air in the inner cavity 101 of the cylinder 110, the air is discharged out of the dust cover 500 from the air outlet opening, the air blows on the flexible cloth layer 600, noise is not easy to be generated, passengers are not easy to feel larger wind force, and the comfort of the passengers is improved.

The bus air purifier that this embodiment provided cooperates the original air purification equipment of bus to carry out all-round purification to the gas in the carriage of bus, and air purification is effectual.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A bus air purifier, comprising:

the device comprises a cylindrical shell (100), wherein the cylindrical shell (100) is provided with an inner cavity (101), an air inlet hole (102) and an air outlet hole (103) which are all communicated with the inner cavity (101), the air inlet hole (102) is positioned on the peripheral wall of the cylindrical shell (100), and the air outlet hole (103) is positioned at one end of the cylindrical shell (100);

the filtering unit (200) is arranged in the inner cavity (101) and is connected with the cylindrical shell (100), and the filtering unit (200) is used for filtering air entering the inner cavity (101) from the air inlet hole (102);

and a vacuum pump (300), the vacuum pump (300) is connected with the cylindrical housing (100), an air inlet end of the vacuum pump (300) is communicated with the air outlet hole (103), and the vacuum pump (300) is used for discharging the gas in the inner cavity (101) so as to generate negative pressure in the inner cavity (101).

2. The bus air purifier of claim 1 wherein:

the filtering unit (200) comprises a supporting frame (210) and a filter screen (220), the supporting frame (210) is detachably connected with the cylindrical shell (100), the filter screen (220) is installed on the supporting frame (210), and the filter screen (220) shields the air inlet holes (102).

3. The bus air purifier of claim 2 wherein:

the support frame (210) comprises a first ring (211), a connecting rod (212) and a second ring (213), wherein the first ring (211) and the second ring (213) are oppositely arranged at intervals, the connecting rod (212) is simultaneously connected with the first ring (211) and the second ring (213), the filter screen (220) is arranged into an annular structure, and the filter screen (220) is sleeved outside the first ring (211) and the second ring (213) and wraps the connecting rod (212); the filter screen (220) is attached to the inner peripheral surface of the cylindrical housing (100).

4. The bus air purifier of claim 2 wherein:

the cylindrical shell (100) comprises a cylinder body (110) and an end plate (120), the cylinder body (110) is provided with a first end and a second end which are opposite, the first end is provided with a closed end, the second end is provided with an open end, and the air inlet holes (102) are formed in the peripheral wall of the cylinder body (110); the end plate (120) is connected with the cylinder (110) and closes the second end; the exhaust hole (103) is arranged on the end plate (120); the support frame (210) is embedded into the cylinder body (110), and the end plate (120) is abutted with the support frame (210) so as to limit the support frame (210) from falling out of the cylinder body (110).

5. The bus air purifier as defined in claim 4, wherein:

the end plate (120) is connected with the cylinder (110) through bolts, screws or screws.

6. The bus air purifier as defined in claim 4, wherein:

an elastic piece (400) is arranged between the closed end of the cylinder body (110) and the supporting frame (210), and the elastic piece (400) is used for enabling the supporting frame (210) to have a movement trend close to the end plate (120).

7. The bus air purifier of claim 6 wherein:

the elastic piece (400) is arranged as a spring, a shrapnel or a rubber piece.

8. The bus air purifier of any one of claims 4-7 wherein:

the novel air inlet device is characterized in that a first sealing ring (214) and a second sealing ring (215) are arranged between the supporting frame (210) and the cylinder body (110), the first sealing ring (214) and the second sealing ring (215) are arranged at intervals in the axial direction of the cylinder body (110), and the air inlet hole (102) is located between the first sealing ring (214) and the second sealing ring (215).

9. The bus air purifier of claim 1 wherein:

the bus air purifier further comprises a dust cover (500), the dust cover (500) is connected with the cylindrical shell (100), and the vacuum pump (300) is located in an area defined by the dust cover (500) and the cylindrical shell (100) together.

10. The bus air purifier of claim 9 wherein:

an air outlet opening is formed in the dust cover (500), and a flexible cloth layer (600) with meshes is arranged at the air outlet opening.