CN113117451A - Remove formaldehyde updraft ventilator - Google Patents
Remove formaldehyde updraft ventilator Download PDFInfo
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- CN113117451A CN113117451A CN202110465955.4A CN202110465955A CN113117451A CN 113117451 A CN113117451 A CN 113117451A CN 202110465955 A CN202110465955 A CN 202110465955A CN 113117451 A CN113117451 A CN 113117451A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a formaldehyde-removing air draft device which comprises a bottom plate and an installation shell, wherein the installation shell is fixedly installed right above the bottom plate through a supporting component, one end of the installation shell is provided with an air inlet, an installation plate is fixedly connected inside one end close to the air inlet, and a plurality of air inlets are formed in the installation plate. According to the invention, the suction component and the flow limiting component are matched with each other, so that the sucked air can only enter the purification shell, when the suction component continuously works, the air in the purification shell is continuously increased, the gas in the purification shell can only pass through the two separation nets and is discharged from the exhaust port at the end part of the purification shell, and further when the gas in the purification shell passes through the two separation nets, the gas can be in contact with the adsorption particles between the two separation nets, so that the adsorption particles can adsorb formaldehyde in the air, and further the formaldehyde in the air discharged from the exhaust port is removed, thereby greatly improving the efficiency of removing the formaldehyde in a room.
Description
Technical Field
The invention relates to the technical field of formaldehyde removal, in particular to a formaldehyde removal air draft device.
Background
Formaldehyde is a colorless and pungent gas, is an important pollutant in indoor air and mainly comes from building decoration materials, furniture adhesives and the like, and can irritate eyes and nasal cavities to cause lacrimation, cough, sneeze, nausea and regurgitation when being contacted with formaldehyde for a short time, and can cause nasal cavity cancer when being contacted with formaldehyde for a long time. Along with the continuous improvement of the living standard of people, the attention of people to health is more and more high.
At present, the mode of removing formaldehyde indoors is mainly window opening ventilation, active carbon and plants are adopted to adsorb formaldehyde, external natural wind is excessively depended on in the mode of window opening ventilation, when the external natural wind is extremely small, the formaldehyde removing efficiency in a room is extremely low, and therefore the formaldehyde removing effect in the room is extremely poor.
Disclosure of Invention
The invention aims to solve the following defects in the prior art, the formaldehyde in a room is removed by window ventilation, the outside natural wind is too dependent, and when the outside natural wind is extremely small, the formaldehyde removal efficiency in the room is extremely low, so that the formaldehyde removal effect in the room is extremely poor.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air draft device for removing formaldehyde comprises a bottom plate and an installation shell, wherein the installation shell is fixedly installed right above the bottom plate through a supporting component, one end of the installation shell is provided with an air inlet, a mounting plate is fixedly connected inside one end close to the air inlet, a plurality of air inlets are formed in the mounting plate, the installation shell is fixedly connected with a purifying shell through a communicating pipe, the bottom wall of the purifying shell is fixedly connected with the bottom plate, the upper end of the communicating pipe is close to the mounting plate, one end, away from the communicating pipe, of the purifying shell is provided with an air outlet, a pair of separating nets are fixedly connected in the purifying shell, adsorption particles are filled between the two separating nets, a suction cavity is arranged between the mounting plate and the end wall of the installation shell, a suction component for extruding gas containing formaldehyde into the purifying shell is arranged in the suction cavity, one end, away from the suction cavity, the filter screen is fixedly connected in the mounting frame, and the air inlet and the communicating pipe are both provided with a flow limiting component for limiting the flow direction of the gas.
Preferably, the supporting part comprises a plurality of supporting rods, the upper ends of the supporting rods are respectively and fixedly connected to four corners of the bottom wall of the mounting shell, and the lower ends of the supporting rods are fixedly connected with the bottom plate.
Preferably, the suction component comprises a rotating rod, one end of the rotating rod is rotatably connected to the mounting plate, the other end of the rotating rod is rotatably mounted on the end wall of the mounting shell, reciprocating threads are formed in the rotating rod, the thread sealing sleeve is provided with a moving plate, the side wall of the moving plate is in sliding connection with the inner wall of the mounting shell in a sealing mode, one end, close to the end wall of the mounting shell, of the rotating rod penetrates out of the end wall of the mounting shell, and a driving component used for driving the rotating rod to rotate is arranged on the bottom.
Preferably, the limiting part comprises an air inlet one-way valve and an air outlet one-way valve, the air inlet one-way valve is fixedly connected in the air inlet, and the air outlet one-way valve is fixedly connected in the communicating pipe.
Preferably, the driving part comprises a motor, the motor is fixedly connected to the bottom plate, driving wheels are fixedly sleeved on an output shaft of the motor and the rotating rod, and a driving belt is sleeved on each of the two driving wheels.
Preferably, two one side that the installation shell was kept away from to the drive wheel is equipped with the protecting crust, the protecting crust adopts the perforated plate preparation, protecting crust upper end and installation shell end wall fixed connection, and lower extreme and bottom plate fixed connection.
Preferably, the fixing part includes elastic members and a pair of sliders fixedly connected to four inner walls of the mounting shell, mounting grooves are formed in two opposite side walls of the mounting shell, the two sliders are respectively and slidably connected to the two mounting grooves, a pull rod is fixedly connected to one end of each slider, the pull rod is slidably connected to the bottom wall of the mounting groove, a second spring is sleeved on the pull rod, two ends of the second spring respectively abut against the bottom wall of the slider and the bottom wall of the mounting groove, one end face, close to the mounting plate, of the mounting frame abuts against the plurality of elastic members, and the other end face abuts against the two side walls of the sliders.
Preferably, the elastic component includes the installation piece of fixed connection on the installation shell inner wall, the installation cavity has been seted up to the one end that the installation board was kept away from to the installation piece, sliding connection has the limiting plate in the installation cavity, it has first spring to support between limiting plate and the installation cavity diapire mutually, a terminal surface fixedly connected with slide bar of first spring is kept away from to the limiting plate, slide bar outer wall and installation cavity end wall sliding connection.
Preferably, the length of the side wall of the sliding block close to the mounting plate is larger than that of the side wall far away from the mounting plate, and the two side walls are connected through the inclined surface.
Preferably, the end of the pull rod, which is far away from the sliding block, penetrates out of the bottom wall of the mounting groove, the pull rod is fixedly connected with a limiting block, and the limiting block is fixedly connected with a pull ring.
Compared with the prior art, the invention has the beneficial effects that:
1. through the mutual matching of the suction component and the flow limiting component, the suction component sucks the gas containing formaldehyde into the suction cavity, and the sucked air can only enter the purifying shell, when the suction part works continuously, the air in the purifying shell is increased continuously, the gas in the purifying shell can only pass through the two separation nets and is discharged from the exhaust port at the end part of the purifying shell, and when the gas in the purifying shell passes through the two separation nets, can contact with the adsorption particles between the two separation nets, so that the adsorption particles can adsorb formaldehyde in the air, further removing formaldehyde in the air discharged from the air outlet, slidably clamping a mounting frame through a fixing part at one end of the mounting shell provided with the air inlet, and fixedly connecting a filter screen in the mounting frame, therefore, when the suction component sucks the formaldehyde-containing gas, the filter screen can effectively prevent air dust from entering the suction cavity.
2. Through the mutually supporting of slider and second spring, only need promote the installing frame when making the user install the filter screen, when making the installing frame contact with two sliders, can enter into the mounting groove with two slider extrusions, after through the slider, the slider can pop out under the effect of second spring, thereby two sliders are fixed the installing frame in the installation shell with a plurality of elastic component cooperations, when the filter screen is dismantled to needs, the user only need stimulate two pull rods, thereby the installing frame just can promote the installing frame under the effect of a plurality of elastic component, make two sliders lose the fixed action to the installing frame, thereby the user just can relax takes out the installing frame and clears up.
Drawings
FIG. 1 is a schematic sectional view of the main view of the ventilation device for removing formaldehyde according to the present invention;
FIG. 2 is a schematic left-side sectional view of the ventilator for removing formaldehyde according to the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure of A in FIG. 1;
fig. 4 is a partially enlarged structural diagram of B in fig. 1.
In the figure: the device comprises a base plate 1, a mounting shell 2, a mounting plate 3, a filter screen 4, an air inlet check valve 5, a mounting frame 6, a purifying shell 7, a communicating pipe 8, a separating net 9, adsorption particles 10, an air outlet check valve 11, a suction cavity 12, a rotating rod 13, a moving plate 14, a motor 15, a driving wheel 16, a driving belt 17, a supporting rod 18, a protective shell 19, a mounting block 20, a sliding rod 21, a first spring 22, a sliding block 23, a pull rod 24, a second spring 25, a limiting block 26 and a pull ring 27.
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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of 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 considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, an air draft device for removing formaldehyde comprises a base plate 1 and an installation shell 2, the installation shell 2 is fixedly installed right above the base plate 1 through a supporting component, one end of the installation shell 2 is provided with an air inlet, the interior of the end close to the air inlet is fixedly connected with an installation plate 3, the installation plate 3 is provided with a plurality of air inlets, the installation shell 2 is fixedly connected with a purification shell 7 through a communicating pipe 8, the bottom wall of the purification shell 7 is fixedly connected with the base plate 1, the upper end of the communicating pipe 8 is close to the installation plate 3, one end of the purification shell 7 far away from the communicating pipe 8 is provided with an air outlet, the interior of the purification shell 7 is fixedly connected with a pair of separation nets 9, adsorption particles 10 are filled between the two separation nets 9, a suction cavity 12 is arranged between the installation plate 3 and the end wall of the installation shell 2, the interior of the suction cavity 12 is provided with a suction component, the filter screen 4 is fixedly connected in the mounting frame 6, and the air inlet and the communicating pipe 8 are both provided with a flow limiting component for limiting the flow direction of the gas.
In the invention, when the device is used, a user starts the suction component to enable the suction component to extrude the formaldehyde-containing gas into the purifying shell 7, because the air inlet formed on the mounting plate 3 and the communicating pipe 8 are both provided with the flow limiting components for limiting the flow direction of the gas, the external air is continuously extruded by the extrusion components to enter the purifying shell 7 along with the continuous work of the suction component, and because the purifying shell 7 is internally and fixedly connected with a pair of separating nets 9, and the adsorbing particles 10 are filled between the two separating nets 9, the internal gas passes through the two separating nets 9 and is exhausted from the air outlet at the end part of the purifying shell 7 along with the continuous increase of the air in the purifying shell 7, and further when the gas in the purifying shell 7 passes through the two separating nets 9, the internal gas can be in contact with the adsorbing particles 10 between the two separating nets 9, so that the adsorbing particles 10 can adsorb the formaldehyde in the air, the formaldehyde in the exhaust air of gas vent that then is got rid of, and be equipped with installing frame 6 through the one end of seting up the air inlet at installing shell 2 through the fixed part slip card, and fixed connection filter screen 4 in installing frame 6, thereby when the suction part carries out the gas that the suction contains formaldehyde, filter screen 4 can be effectual the dust of separation air enter into suction chamber 12 in, and because installing frame 6 passes through the fixed part slip card and establishes in installing shell 2, thereby when the ash blanket on filter screen 4 piles up much, the user can be relaxed take out filter screen 4 and clear up.
In the preferred technical scheme of this embodiment, the supporting component includes a plurality of bracing pieces 18, and a plurality of bracing pieces 18 upper ends are fixed connection respectively in 2 diapire four corners of installation shell, and the lower extreme all with bottom plate 1 fixed connection, and the fixed part plays fixed and support installation shell 2's effect.
In the preferred technical solution of this embodiment, the pumping component includes a rotating rod 13, one end of the rotating rod 13 is rotatably connected to the mounting plate 3, and the other end is rotatably mounted on the end wall of the mounting housing 2, a reciprocating thread is formed on the rotating rod 13, and a moving plate 14 is hermetically and slidably connected to the side wall of the moving plate 14 and the inner wall of the mounting housing 2, one end of the rotating rod 13 close to the end wall of the mounting housing 2 penetrates through the end wall of the mounting housing 2, a driving component for driving the rotating rod 13 to rotate is provided on the bottom plate 1, when the driving component is used to rotate the rotating rod 13, because the rotating rod 13 is formed with the reciprocating thread, and the moving plate 14 is hermetically and slidably connected to the side wall of the moving plate 13 and the inner wall of the mounting housing 2, when the rotating rod 13 rotates, the moving plate 14 can only move in the horizontal direction under the effect of rotation restriction of the mounting housing 2, and the mounting shell 2 is communicated through the communicating pipe 8, and the gas inlet and the communicating pipe 8 are both provided with a flow limiting part for limiting the gas flow direction, so that when the moving plate 14 reciprocates in the mounting shell 2, under the action of the flow limiting part, the gas containing formaldehyde enters the suction cavity 12 from the gas inlet, and then only enters the purifying shell 7 from the communicating pipe 8.
According to the preferable technical scheme in the embodiment, the limiting part comprises the air inlet one-way valve 5 and the air outlet one-way valve 11, the air inlet one-way valve 5 is fixedly connected in the air inlet, and the air outlet one-way valve 11 is fixedly connected in the communicating pipe 8, so that the flow direction of air can be limited, the suction part can only suck air from the outside, and the sucked air can only be discharged into the purifying shell 7 from the communicating pipe 8.
In the preferred technical scheme of this embodiment, the driving part includes motor 15, motor 15 is fixedly connected to bottom plate 1, driving wheels 16 are fixedly sleeved on the output shaft of motor 15 and rotating rod 13, a driving belt 17 is sleeved on two driving wheels 16, motor 15 plays a role in providing power, and driving wheels 16 and driving belt 17 play a role in transmitting power.
In the preferred technical scheme of this embodiment, one side that installation shell 2 was kept away from to two drive wheels 16 is equipped with protecting crust 19, and protecting crust 19 adopts the porous plate preparation, and protecting crust 19 upper end and installation shell 2 end wall fixed connection, and lower extreme and bottom plate 1 fixed connection, protecting crust 19 plays the effect of covering two drive wheels 16 and drive belt 17, has prevented that drive belt 17 from hindering the user by mistake when rotating.
In the preferred technical solution of this embodiment, the fixing component includes an elastic member and a pair of sliding blocks 23 fixedly connected to four inner walls of the mounting housing 2, two opposite side walls of the mounting housing 2 are respectively provided with a mounting groove, the two sliding blocks 23 are respectively slidably connected in the two mounting grooves, and one end far away from each other is fixedly connected with a pull rod 24, the pull rod 24 is slidably connected with a bottom wall of the mounting groove, the pull rod 24 is sleeved with a second spring 25, two ends of the second spring 25 respectively abut against the bottom wall of the sliding blocks 23 and the bottom wall of the mounting groove, one end surface of the mounting frame 6 abutting against the mounting plate 3 abuts against a plurality of elastic members, and the other end surface abuts against the side walls of the two sliding blocks 23, when the mounting frame 6 is mounted, the mounting frame 6 is first placed in the mounting housing 2 by pushing the mounting frame 6, when the mounting frame 6 contacts with the two sliding blocks 23, a user retracts, then promote installing frame 6 once more, after 6 lateral walls of installing frame pass through slider 23 completely, two sliders 23 pop out under second spring 25's effect, and then a plurality of elastic components and two sliders 23 mutually support, fix installing frame 6 in installation shell 2, when filter screen 4 is dismantled to needs, the user only need stimulate two pull rods 24 once more, thereby installing frame 6 just can promote installing frame 6 under the effect of a plurality of elastic components, make two sliders 23 lose the fixed action to installing frame 6, thereby the user just can relax takes out installing frame 6 and clears up.
According to the technical scheme, the elastic piece comprises the mounting block 20 fixedly connected to the inner wall of the mounting shell 2, the mounting cavity is formed in one end, far away from the mounting plate 3, of the mounting block 20, the limiting plate is connected to the mounting cavity in a sliding mode, the first spring 22 is supported between the limiting plate and the bottom wall of the mounting cavity, the limiting plate is far away from one end face of the first spring 22, the sliding rod 21 is fixedly connected to the outer wall of the sliding rod 21, and the end wall of the mounting cavity is connected in a sliding.
In the preferred technical scheme of this embodiment, the lateral wall length that mounting panel 3 is pressed close to slider 23 is greater than the lateral wall length of keeping away from mounting panel 3, and the both sides wall passes through the inclined plane and connects, can make like this when installing filter screen 4, and the user need not manually pull two pull rods 24, and installing frame 6 just can get into the mounting groove with two sliders 23 extrusion.
According to the preferable technical scheme in the embodiment, the one end of the pull rod 24 far away from the sliding block 23 penetrates out of the bottom wall of the installation groove, the limit block 26 is fixedly connected with the pull ring 27, the limit block 26 plays a role in limiting the length of the installation groove extending out of the sliding block 23, therefore, when the installation frame 6 is pushed, the installation frame 6 can be in contact with the inclined plane of the sliding block 23, and the pull ring 27 facilitates the user to pull the pull rod 24.
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 (10)
1. The utility model provides a remove formaldehyde updraft ventilator, includes bottom plate (1) and installation shell (2), its characterized in that, installation shell (2) is through supporting component fixed mounting directly over bottom plate (1), the air intake has been seted up to installation shell (2) one end, and leans on the inside fixedly connected with mounting panel (3) of one end of air intake, a plurality of air inlets have been seted up on mounting panel (3), installation shell (2) are through communicating pipe (8) fixedly connected with purification shell (7), purification shell (7) diapire and bottom plate (1) fixed connection, mounting panel (3) are pressed close to communicating pipe (8) upper end, the one end of keeping away from communicating pipe (8) of purification shell (7) has been seted up the gas vent, purification shell (7) internal fixedly connected with a pair of spacer net (9), two it has adsorbed particle (10) to fill between spacer net (9), be equipped with between mounting panel (3) and installation shell (2) end wall and suction chamber (12), suction chamber (12) inside is equipped with and is used for getting into the inside suction part of purification shell (7) with the gas extrusion that contains formaldehyde, the one end that suction chamber (12) were kept away from in installation shell (2) is equipped with installing frame (6) through fixed part slip card, fixedly connected with filter screen (4) in installing frame (6), all be equipped with the current-limiting component who is used for restricting the gas flow to in air inlet and communicating pipe (8).
2. The air draft device for removing formaldehyde according to claim 1, wherein the supporting member comprises a plurality of supporting rods (18), the upper ends of the supporting rods (18) are respectively and fixedly connected to four corners of the bottom wall of the mounting shell (2), and the lower ends of the supporting rods are fixedly connected to the bottom plate (1).
3. The formaldehyde-removing air draft device according to claim 1, wherein the suction component comprises a rotating rod (13), one end of the rotating rod (13) is rotatably connected to the mounting plate (3), the other end of the rotating rod is rotatably mounted on the end wall of the mounting shell (2), reciprocating threads are formed in the rotating rod (13), a movable plate (14) is arranged in a thread sealing sleeve manner, the side wall of the movable plate (14) is in sealing sliding connection with the inner wall of the mounting shell (2), one end of the rotating rod (13) close to the end wall of the mounting shell (2) penetrates out of the end wall of the mounting shell (2), and a driving component for driving the rotating rod (13) to rotate is arranged on the bottom plate (1).
4. The air draft device for removing formaldehyde according to claim 1, wherein the limiting part comprises an air inlet one-way valve (5) and an air outlet one-way valve (11), the air inlet one-way valve (5) is fixedly connected in the air inlet, and the air outlet one-way valve (11) is fixedly connected in the communicating pipe (8).
5. The air draft device for removing formaldehyde according to claim 3, wherein the driving part comprises a motor (15), the motor (15) is fixedly connected to the bottom plate (1), driving wheels (16) are fixedly sleeved on an output shaft of the motor (15) and the rotating rod (13), and a driving belt (17) is sleeved on each of the two driving wheels (16).
6. The air draft device for removing formaldehyde according to claim 5, wherein a protective shell (19) is arranged on one side, away from the installation shell (2), of the two driving wheels (16), the protective shell (19) is made of a porous plate, the upper end of the protective shell (19) is fixedly connected with the end wall of the installation shell (2), and the lower end of the protective shell is fixedly connected with the bottom plate (1).
7. The formaldehyde-removing air draft device according to claim 1, wherein the fixing part comprises an elastic part and a pair of sliders (23) which are fixedly connected to four inner walls of the installation shell (2), two opposite side walls of the installation shell (2) are provided with installation grooves, the two sliders (23) are respectively connected in two installation grooves in a sliding mode, one end of each slider is fixedly connected with a pull rod (24), the other end of each pull rod is connected with the bottom wall of the installation groove in a sliding mode, the pull rod (24) is connected with the bottom wall of the installation groove in a sliding mode, a second spring (25) is sleeved on the pull rod (24), two ends of the second spring (25) are respectively abutted to the bottom wall of the slider (23) and the bottom wall of the installation groove, one end face and the plurality of elastic parts of the installation plate (3) are abutted to each other, and the other end face is abutted to the side wall of.
8. The formaldehyde-removing air draft device according to claim 7, wherein the elastic member comprises a mounting block (20) fixedly connected to the inner wall of the mounting shell (2), a mounting cavity is formed in one end, away from the mounting plate (3), of the mounting block (20), a limiting plate is slidably connected to the mounting cavity, a first spring (22) is supported between the limiting plate and the bottom wall of the mounting cavity, a sliding rod (21) is fixedly connected to one end face, away from the first spring (22), of the limiting plate, and the outer wall of the sliding rod (21) is slidably connected to the end wall of the mounting cavity.
9. The air draft device for removing formaldehyde according to claim 7, wherein the length of the side wall of the sliding block (23) close to the mounting plate (3) is larger than that of the side wall far away from the mounting plate (3), and the two side walls are connected through the inclined surface.
10. The air draft device for removing formaldehyde according to claim 7, wherein one end of the pull rod (24) far away from the slider (23) penetrates out of the bottom wall of the installation groove, a limit block (26) is fixedly connected with the pull rod, and a pull ring (27) is fixedly connected to the limit block (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110465955.4A CN113117451A (en) | 2021-04-28 | 2021-04-28 | Remove formaldehyde updraft ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110465955.4A CN113117451A (en) | 2021-04-28 | 2021-04-28 | Remove formaldehyde updraft ventilator |
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| CN113117451A true CN113117451A (en) | 2021-07-16 |
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| CN202110465955.4A Pending CN113117451A (en) | 2021-04-28 | 2021-04-28 | Remove formaldehyde updraft ventilator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159937A (en) * | 2021-12-03 | 2022-03-11 | 山东成泰新材料有限公司 | Method for collecting formaldehyde for producing isopentenol |
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Application publication date: 20210716 |