CN112268341A - Air purification device is imported and exported in market - Google Patents

Air purification device is imported and exported in market Download PDF

Info

Publication number
CN112268341A
CN112268341A CN202011139128.8A CN202011139128A CN112268341A CN 112268341 A CN112268341 A CN 112268341A CN 202011139128 A CN202011139128 A CN 202011139128A CN 112268341 A CN112268341 A CN 112268341A
Authority
CN
China
Prior art keywords
wall
rod
fixedly connected
air
trigger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011139128.8A
Other languages
Chinese (zh)
Inventor
郑五丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011139128.8A priority Critical patent/CN112268341A/en
Publication of CN112268341A publication Critical patent/CN112268341A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention discloses an air purification device for an entrance and an exit of a shopping mall, which comprises a mounting plate, wherein the lower end of the mounting plate is fixedly connected with a floor, an air inlet frame is arranged on the mounting plate and is in a conical shape, the end part of the air inlet frame is connected with an air inlet pipe, a fan is arranged on the air inlet pipe, a treatment box is arranged on the inner side of the mounting plate, a screen is inserted on the treatment box, one end of the air inlet pipe, far away from the air inlet frame, is connected with the outer wall of the treatment box, a water collection box is arranged on the upper side of the treatment box, and the lower side wall of the water collection box is connected with. According to the invention, when the impurities on the screen are excessive, the electromagnetic valve is triggered to be opened, water in the water collection tank flows out through the water outlet flat head to wash the screen, so that the self-cleaning of the surface of the screen is realized, the influence of the excessive impurities on the filtering effect of the screen is avoided, the kinetic energy generated when people walk is converted into electric energy to be stored, the consumption of commercial power is reduced, and meanwhile, the kinetic energy can impact the screen when people walk, so that the cleaning effect of the screen is ensured.

Description

Air purification device is imported and exported in market
Technical Field
The invention relates to the technical field of air purification, in particular to an air purification device for an entrance and an exit of a shopping mall.
Background
The air purification is to provide the whole solutions of sterilization, dust reduction, haze removal, removal of harmful decoration residues, peculiar smell and the like aiming at various indoor environmental problems, improve the living and office conditions and promote the physical and mental health. The indoor environmental pollutants and pollution sources mainly comprise radioactive gases, mold, particulate matters, decoration residues, second-hand smoke and the like.
Due to the particularity of the market, the flow of people is large, the entrance and exit of the market are particularly obvious, dust flies up in the process of people moving continuously, the dust refers to solid particles suspended in the air, the dust is natural enemies of human health and is a main reason for inducing various diseases, and the existing dust filtering device aiming at the entrance of the market is not available, so that the environment is easily polluted, and even some respiratory patients are uncomfortable.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an air purification device for an entrance and an exit of a shopping mall.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air purification device for import and export in a shopping mall comprises a mounting plate, wherein the lower end of the mounting plate is fixedly connected with a floor, an air inlet frame is arranged on the mounting plate and is in a conical arrangement, the end part of the air inlet frame is connected with an air inlet pipe, a fan is arranged on the air inlet pipe, a treatment box is arranged on the inner side of the mounting plate, a screen is inserted on the treatment box, one end, away from the air inlet frame, of the air inlet pipe is connected with the outer wall of the treatment box, a water collection box is arranged on the upper side of the treatment box, the lower side wall of the water collection box is connected with a water outlet flat head, the lower end of the water outlet flat head penetrates through the inner wall of the treatment box and is contacted with the outer wall of the screen, an electromagnetic valve is arranged on the water outlet flat head, a trigger mechanism is connected on the outer wall of the air inlet pipe, a, the downside on floor is provided with the electric power storage mechanism who is connected with the pole that supports, the downside on floor rotates and is connected with the pendulum rod, the tip of pendulum rod is located the downside that supports the pole, the other end fixedly connected with steel ball of pendulum rod, the lower lateral wall fixedly connected with of screen cloth runs through the even board that extends to the processing case outside, the steel ball is located the downside of even board, fixedly connected with expanding spring between the one end that the pendulum rod is close to the steel ball and the lower lateral wall of processing case.
Preferably, the power storage mechanism comprises a conductive rod fixedly connected to the outer wall of the abutting rod, a magnet frame located on the outer side of the conductive rod is fixed to the lower side of the floor, a storage battery is connected to the end of the conductive rod through a lead, and a heating mechanism connected with the storage battery is arranged on the inner side of the mounting plate.
Preferably, heating mechanism is including being located the mounting panel and handling the heater strip between the case, the gas outlet of same position is seted up on the outer wall of mounting panel and handling the case, the gas outlet is located the inboard of heater strip, the downside setting of heater strip and the trigger box that is connected with it.
Preferably, a piston is arranged in the trigger box in a sliding mode, expansion liquid on the left side of the piston is filled in the trigger box, a moving rod is fixedly connected to one side, away from the expansion liquid, of the piston, a return spring is fixedly connected between the moving rod and the inner wall of the trigger box, a second switch is fixedly mounted on the inner wall of the trigger box, and a pressing plate located on the right side of the second switch is fixedly connected to the outer wall of the moving rod.
Preferably, trigger mechanism is including fixing the trigger tube on the air-supply line outer wall, the opening with the inside intercommunication of air-supply line is seted up to the tip of trigger tube, it has the slide to slide in the trigger tube, fixedly connected with connecting spring between the inner wall of slide and trigger tube, fixed mounting has switch one on the inner wall of trigger tube, switch one and solenoid valve electric connection, one side fixedly connected with press the depression bar that the slide is close to switch one.
Preferably, the lower side wall of the treatment box is fixedly provided with a conical groove, the lower end of the conical groove is communicated with the outside, the upper end of the conical groove is communicated with the inside of the treatment box, the inner wall of the conical groove is rotatably connected with a sealing plate through a torque rotating shaft, and the sealing plate is in contact with the inner wall of the conical groove.
Preferably, the expansion liquid is one of alcohol and mercury.
Compared with the prior art, this air purification device is imported and exported in market's advantage lies in:
1. the air inlet pipe is connected with the air inlet pipe, the air outlet pipe is connected with the air inlet pipe, the air inlet pipe is connected with the air inlet pipe, the air outlet pipe is connected with the air inlet pipe, the air inlet pipe is;
2. the electric power storage mechanism is arranged, so that the flow of people at the entrance and the exit of a market is large, the treading plate is moved up and down along with the flow of people, the conducting rod is further moved up and down in a reciprocating type cutting magnetic induction line in the magnet frame, current is generated on the conducting rod and is led out through a conducting wire to be stored in the electric power storage battery, the kinetic energy of people walking is converted into electric energy to be stored and utilized, and the consumption of commercial power is reduced;
3. the heating mechanism is arranged, when the outside air temperature is low, the volume of the expansion liquid is reduced, the piston moves towards one side of the expansion liquid under the reverse elasticity of the reset spring, the second switch is pressed by the pressing plate and is connected with the storage battery and the heating wire through the conducting wire, the heating wire is electrified to work after the second switch is pressed, the flowing air flow is heated, the hot air flow is led out, the air temperature at the inlet and the outlet of a market is increased, and the comfort of pedestrians is improved;
4. arranging a swing rod, wherein people continuously walk over the pedal, the pedal is firstly extruded to move downwards, the lower end of the abutting rod extrudes the end part of the swing rod to rotate downwards, the other end of the swing rod rotates upwards, and the steel ball impacts the connecting plate to vibrate the screen mesh and accelerate the falling of impurities adhered on the screen mesh;
in conclusion, when the impurities on the screen are excessive, the electromagnetic valve is triggered to be opened, water in the water collecting tank flows out through the water outlet flat head to flush the screen, self-cleaning of the surface of the screen is achieved, the phenomenon that the filtering effect of the screen is affected by the excessive impurities is avoided, kinetic energy generated when people walk is converted into electric energy to be stored, commercial power consumption is reduced, meanwhile, the screen can be impacted when people walk, and the cleaning effect of the screen is guaranteed.
Drawings
FIG. 1 is a schematic structural view of an air purification device for a mall entrance/exit according to the present invention;
FIG. 2 is a schematic view of an internal structure of a trigger tube in the air purification device for the entrance and exit of a shopping mall according to the present invention;
FIG. 3 is a side view of a trigger tube in the air purification device for the entrance and exit of the mall in accordance with the present invention;
FIG. 4 is a schematic view of an internal structure of a trigger box in the air purification device for the entrance and exit of a shopping mall according to the present invention;
fig. 5 is a cross-sectional view of a tapered groove in an air cleaning device for a store entrance and exit according to the present invention.
In the figure: the device comprises a mounting plate 1, a floor 2, an air inlet frame 3, a treatment box 4, an air inlet pipe 5, a fan 6, a water collecting tank 7, a water outlet flat head 8, an electromagnetic valve 9, a trigger pipe 10, a sliding plate 11, a pressing rod 12, a first switch 13, a first connecting spring 14, a screen 15, a pedal 16, a pushing rod 17, a swing rod 18, a telescopic spring 19, a steel ball 20, a magnet frame 21, a conductive rod 22, a storage battery 23, a trigger box 24, a heating wire 25, an expansion liquid 26, a movable rod 27, a return spring 28, a pressing plate 29, a second switch 30, a through hole 31, a conical groove 32, a sealing plate 33 and a piston 34.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, an air purification device for entrance and exit of a market comprises a mounting plate 1, a floor 2 is fixedly connected to the lower end of the mounting plate 1, an air inlet frame 3 is arranged on the mounting plate 1, the air inlet frame 3 is arranged in a conical shape, an air inlet pipe 5 is connected to the end portion of the air inlet frame 3, a fan 6 is arranged on the air inlet pipe 5, a processing box 4 is arranged on the inner side of the mounting plate 1, a screen 15 is inserted on the processing box 4, one end of the air inlet pipe 5 far away from the air inlet frame 3 is connected with the outer wall of the processing box 4, a water collecting box 7 is arranged on the upper side of the processing box 4, a water outlet flat head 8 is connected to the lower side wall of the water collecting box 7, the lower end of the water outlet flat head 8 penetrates through the inner wall of the processing box 4 and contacts with the outer wall of the screen 15, an electromagnetic valve 9 is arranged on the water outlet flat head 8, the fan 6, and then discharged through the air outlet, when the electromagnetic valve 9 is opened, water in the water collecting tank 7 is discharged through the water outlet flat head 8 to wash out the surface of the screen 15, dust adhered to the surface of the screen 15 is washed down, dust treatment is realized, and the normal air filtering work of the screen 15 is ensured.
The outer wall of the air inlet pipe 5 is connected with a trigger mechanism, the trigger mechanism comprises a trigger pipe 10 fixed on the outer wall of the air inlet pipe 5, the end part of the trigger pipe 10 is provided with a through hole 31 communicated with the inside of the air inlet pipe 5, a sliding plate 11 slides in the trigger pipe 10, a connecting spring 14 is fixedly connected between the sliding plate 11 and the inner wall of the trigger pipe 10, a switch I13 is fixedly installed on the inner wall of the trigger pipe 10, the switch I13 is electrically connected with an electromagnetic valve 9, one side of the sliding plate 11 close to the switch I13 is fixedly connected with a pressing rod 12, air enters from the air inlet pipe 5 in a normal state and is discharged from an air outlet after passing through a processing box 4, when the surface of a screen 15 is blocked due to excessive impurities, the air flow cannot pass through the screen 15, at the moment, the air flow sucked by the fan 6 enters into the trigger pipe 10, the sliding plate 11 is extruded to move by overcoming, at the moment, the electromagnetic valve 9 is powered on and opened, water in the water collecting tank 7 flows out through the water outlet flat head 8 to wash the screen 15, after impurities on the surface of the screen 15 are cleaned up, the air flow is recovered, the sliding plate 11 moves back under the reverse elasticity of the connecting spring 14, the pressing rod 12 is not pressed by the switch I13 any more at the moment, the electromagnetic valve 9 is disconnected, the water discharge is stopped, and the cleaning process of the screen 15 is finished.
The floor board 2 is provided with a pedal 16 in a sliding mode, the lower side wall of the pedal 16 is fixedly connected with a supporting rod 17, the lower side of the floor board 2 is provided with an electric power storage mechanism connected with the supporting rod 17, the electric power storage mechanism comprises a conducting rod 22 fixedly connected to the outer wall of the supporting rod 17, the lower side of the floor board 2 is fixedly provided with a magnet frame 21 located on the outer side of the conducting rod 22, the end portion of the conducting rod 22 is connected with a storage battery 23 through a conducting wire, the flow of people in and out of a market is large, the pedal 16 is firstly extruded to move downwards along with the people flowing through the pedal 16, then the pedal 16 moves backwards under the reverse elasticity of a telescopic spring 19, and therefore the conducting rod 22 does up-and-down reciprocating type cutting magnetic induction line movement in the magnet frame 21, current is generated on the conducting rod 22 and is led out through the conducting wire to be stored in the storage battery 23.
The inner side of the mounting plate 1 is provided with a heating mechanism connected with the storage battery 23, the heating mechanism comprises a heating wire 25 positioned between the mounting plate 1 and the treatment box 4, the outer walls of the mounting plate 1 and the treatment box 4 are provided with air outlets at the same position, the air outlets are positioned at the inner side of the heating wire 25, the lower side of the heating wire 25 is provided with a trigger box 24 connected with the heating wire, a piston 34 is arranged in the trigger box 24 in a sliding way, the trigger box 24 is filled with an expansion liquid 26 positioned at the left side of the piston 34, the expansion liquid 26 is one of alcohol and mercury, the alcohol and the mercury have the characteristics of volume reduction at low temperature and volume expansion at high temperature, one side of the piston 34 far away from the expansion liquid 26 is fixedly connected with a movable rod 27, a return spring 28 is fixedly connected between the movable rod 27 and the inner wall of the trigger box 24, the inner wall of the trigger box 24 is fixedly provided with a, when the outside air temperature is low, the volume of the expansion liquid 26 is reduced, the piston 34 moves towards one side of the expansion liquid 26 under the reverse elasticity of the return spring 28, the pressing plate 29 presses the switch II 30, the switch II 30 is connected with the storage battery 23 and the heating wire 25 through wires, the heating wire 25 is electrified to work after the switch II 30 is pressed, the flowing air flow is heated, the hot air flow is formed and led out, the air temperature of an entrance and an exit of a market is increased, and the comfort of pedestrians is improved.
The lower side of the floor 2 is rotatably connected with a swing rod 18, the end part of the swing rod 18 is positioned at the lower side of a resisting rod 17, the other end of the swing rod 18 is fixedly connected with a steel ball 20, the lower side wall of the screen mesh 15 is fixedly connected with a connecting plate which extends to the outer side of the processing box 4 in a penetrating way, the steel ball 20 is positioned at the lower side of the connecting plate, an expansion spring 19 is fixedly connected between one end of the swing rod 18 close to the steel ball 20 and the lower side wall of the processing box 4, the people flow continuously walks over the pedal 16, the pedal 16 is firstly extruded to move downwards, the lower end of the resisting rod 17 extrudes the end part of the swing rod 18 to rotate downwards, the other end of the swing rod 18 rotates upwards, the steel ball 20 impacts the connecting plate to enable the screen mesh 15 to generate vibration to accelerate the dropping of impurities adhered to the screen mesh 15, when the people walk over the pedal 16, the swing rod 18 moves backwards under the reverse elasticity of the, speeding up the cleaning of the screen 15.
Handle case 4's lower lateral wall fixed mounting has conical groove 32, conical groove 32's lower extreme and outside intercommunication, conical groove 32's upper end and the inside intercommunication of handling case 4, be connected with closing plate 33 through the rotation of moment of torsion pivot on conical groove 32's the inner wall, closing plate 33 contacts with conical groove 32's inner wall, water and impurity after rivers erode screen cloth 15 fall to conical groove 32 in, closing plate 33 overcomes the torsion of moment of torsion pivot and down rotates when the total weight of water and impurity reaches basis weight, make water and impurity fall out, closing plate 33 up rotates under the reverse elasticity of moment of torsion pivot after falling out and resets, carry out conical groove 32's shutoff, avoid the air current to discharge from conical groove 32.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides an air purification device is imported and exported in market, includes mounting panel (1), its characterized in that, the lower extreme fixedly connected with floor (2) of mounting panel (1), be provided with air intake frame (3) on mounting panel (1), air intake frame (3) are the toper setting, the end connection of air intake frame (3) has air-supply line (5), install fan (6) on air-supply line (5), the inboard of mounting panel (1) is provided with handles case (4), it is equipped with screen cloth (15) to insert on case (4), air-supply line (5) keep away from the one end of air intake frame (3) and the outer wall connection who handles case (4), the upside of handling case (4) is provided with header tank (7), the lower lateral wall of header tank (7) is connected with out water flat head (8), the lower extreme that goes out water flat head (8) runs through and extends to handling case (4) inner wall and contacts with the outer wall of screen cloth (15), an electromagnetic valve (9) is arranged on the water outlet flat head (8), the outer wall of the air inlet pipe (5) is connected with a trigger mechanism, a pedal (16) is arranged on the floor (2) in a sliding way, the lower side wall of the pedal (16) is fixedly connected with a resisting rod (17), an electric power storage mechanism connected with the abutting rod (17) is arranged on the lower side of the floor (2), the lower side of the floor (2) is rotatably connected with a swing rod (18), the end part of the swing rod (18) is positioned at the lower side of the abutting rod (17), the other end of the swing rod (18) is fixedly connected with a steel ball (20), the lower side wall of the screen (15) is fixedly connected with a connecting plate which penetrates and extends to the outer side of the treatment box (4), the steel ball (20) is positioned at the lower side of the connecting plate, and a telescopic spring (19) is fixedly connected between one end of the swing rod (18) close to the steel ball (20) and the lower side wall of the processing box (4).
2. A mall entrance and exit air purification apparatus according to claim 1, wherein the power storage mechanism comprises a conductive rod (22) fixedly connected to the outer wall of the resisting rod (17), a magnet frame (21) located outside the conductive rod (22) is fixed to the lower side of the floor (2), the end of the conductive rod (22) is connected with a storage battery (23) through a wire, and a heating mechanism connected with the storage battery (23) is arranged inside the mounting plate (1).
3. A mall entrance and exit air purification device according to claim 1, wherein the heating mechanism comprises a heating wire (25) disposed between the mounting plate (1) and the processing box (4), the outer walls of the mounting plate (1) and the processing box (4) are provided with air outlets at the same position, the air outlets are disposed at the inner side of the heating wire (25), and the lower side of the heating wire (25) is provided with a trigger box (24) connected with the heating wire.
4. A mall entrance and exit air purification device according to claim 3, wherein a piston (34) is slidably arranged in the trigger box (24), an expansion liquid (26) located on the left side of the piston (34) is filled in the trigger box (24), a moving rod (27) is fixedly connected to one side, away from the expansion liquid (26), of the piston (34), a return spring (28) is fixedly connected between the moving rod (27) and the inner wall of the trigger box (24), a second switch (30) is fixedly installed on the inner wall of the trigger box (24), and a pressing plate (29) located on the right side of the second switch (30) is fixedly connected to the outer wall of the moving rod (27).
5. A market exit air purification device according to claim 1, characterized in that, the trigger mechanism includes a trigger tube (10) fixed on the outer wall of the air inlet tube (5), the end of the trigger tube (10) is provided with a through hole (31) communicated with the inside of the air inlet tube (5), a sliding plate (11) slides in the trigger tube (10), a connecting spring (14) is fixedly connected between the sliding plate (11) and the inner wall of the trigger tube (10), a first switch (13) is fixedly installed on the inner wall of the trigger tube (10), the first switch (13) is electrically connected with the electromagnetic valve (9), and a pressing rod (12) is fixedly connected to one side of the sliding plate (11) close to the first switch (13).
6. A mall entrance and exit air cleaning apparatus according to claim 1, wherein a tapered groove (32) is fixedly installed on the lower side wall of the processing box (4), the lower end of the tapered groove (32) is communicated with the outside, the upper end of the tapered groove (32) is communicated with the inside of the processing box (4), a sealing plate (33) is rotatably connected to the inner wall of the tapered groove (32) through a torque rotating shaft, and the sealing plate (33) is in contact with the inner wall of the tapered groove (32).
7. A shop entrance/exit air cleaning apparatus according to claim 4, wherein the expansion liquid (26) is one of alcohol and mercury.
CN202011139128.8A 2020-10-22 2020-10-22 Air purification device is imported and exported in market Withdrawn CN112268341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011139128.8A CN112268341A (en) 2020-10-22 2020-10-22 Air purification device is imported and exported in market

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011139128.8A CN112268341A (en) 2020-10-22 2020-10-22 Air purification device is imported and exported in market

Publications (1)

Publication Number Publication Date
CN112268341A true CN112268341A (en) 2021-01-26

Family

ID=74342812

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011139128.8A Withdrawn CN112268341A (en) 2020-10-22 2020-10-22 Air purification device is imported and exported in market

Country Status (1)

Country Link
CN (1) CN112268341A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112982085A (en) * 2021-02-09 2021-06-18 重庆工程职业技术学院 High-performance road and bridge material rapid processing device
CN113006915A (en) * 2021-03-26 2021-06-22 重庆汽车***有限责任公司 Noise-reduction environment-friendly silencer for small-tonnage internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112982085A (en) * 2021-02-09 2021-06-18 重庆工程职业技术学院 High-performance road and bridge material rapid processing device
CN113006915A (en) * 2021-03-26 2021-06-22 重庆汽车***有限责任公司 Noise-reduction environment-friendly silencer for small-tonnage internal combustion engine

Similar Documents

Publication Publication Date Title
CN112268341A (en) Air purification device is imported and exported in market
CN201050044Y (en) Air cleaning vehicle
CN206829045U (en) A kind of leaf collection device
CN102499608A (en) Vertical type dust collector
CN203334227U (en) Environmental management cleaning-up vehicle
CN211261101U (en) Air purifier with conveniently-detached filter screen
CN205636605U (en) Villous floats thing refuse collecting vehicle
CN208180727U (en) A kind of vehicular air purifier with champignon
CN213787181U (en) Suction and mopping integrated sweeper
CN201438000U (en) Axial-flow kitchen ventilating fan
CN2847961Y (en) Electrical cutted hair recovering device
CN112609791A (en) Multifunctional sitting and squatting dual-purpose toilet
CN112161339A (en) A filtration dust collector for market
CN209474495U (en) A kind of device that goes to the toilet of stool and urine separate collection
CN202355348U (en) Vertical dust collector
CN202303754U (en) Air interchanger
CN108394256A (en) A kind of vehicular air purifier with champignon
CN220229341U (en) Nanometer silver air purification illumination heating equipment
CN203329560U (en) Movable type dust collector
CN213405299U (en) Drawing frame for improving comfort in advertisement design
CN216592161U (en) Energy-saving heating and ventilation air conditioner heat recovery device
CN109381126B (en) Sweeping robot and sweeping robot charging seat
CN209138169U (en) A kind of vertical waste gas treatment equipment
CN210569125U (en) Improved generation air conditioner purification unit
CN218915284U (en) Ozone fumigation device for indoor sterilization

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210126