CN111872006A - Multifunctional modular folding exhaust hood - Google Patents
Multifunctional modular folding exhaust hood Download PDFInfo
- Publication number
- CN111872006A CN111872006A CN202010574114.2A CN202010574114A CN111872006A CN 111872006 A CN111872006 A CN 111872006A CN 202010574114 A CN202010574114 A CN 202010574114A CN 111872006 A CN111872006 A CN 111872006A
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- folding
- window frame
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- air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
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- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a multifunctional modularized folding exhaust hood, which belongs to the technical field of laboratory furniture, and can be used for pushing a top folding window between two vertical columns upwards obliquely by holding a handle on the top folding window when a desktop does not need to exhaust air, upwards contracting and folding under the tightening force of an air spring and the sliding of a roller along the top of a side folding window, and keeping a folding and locking state under the contracting force of the air spring; folding and shrinking the side folding window firstly folds the side front window frame inwards along the direction of the damping hinge, and then folds the folded side folding window outwards; when the desktop needs to exhaust, the unfolding sequence of the side folding windows is opposite to the folding sequence, and the unfolding sequence of the top folding windows is opposite to the folding sequence, so that the appearance of the exhaust hood can be restored, a simple and labor-saving effect can be achieved by means of the matching use of the gas spring and the idler wheels, and the states in the exhaust hood can be conveniently observed through the front top and the two side transparent observation windows.
Description
Technical Field
The invention relates to the technical field of laboratory furniture, in particular to a multifunctional modularized folding exhaust hood.
Background
Along with the increasing importance of the country to research and development work, the effect of the laboratory is increasingly prominent, a large number of laboratories are put into construction and transformation, the green environmental protection concept is advocated all over the world at present, and under this big environment, laboratory users all put forward higher requirements to the functionality, flexibility, sustainability of laboratory furniture.
In the aspect of the modular structure, the air outlet of the traditional desktop exhaust hood is far away from the position where air is needed to be exhausted, the air exhaust amount needs to be increased to increase the air exhaust effect, but the noise caused by the increase of the air exhaust amount is large. After the traditional desktop type exhaust hood is fixed on a desktop, due to the fixed structure, the desktop area cannot be used for other purposes when the exhaust hood is not used, and the idle waste of the desktop space is caused. The traditional exhaust hood is only the exhaust pipeline all the way, and is not high to the desktop utilization ratio, and traditional exhaust hood observes the field of vision single moreover, can only observe from the front side usually, has very big limitation to the observation of experimental result and content.
In the aspect of the electric power system, the traditional desktop exhaust hood only has an exhaust function, the function is single, and one test bed is generally matched with an exhaust interval. When an experimenter needs to connect the power to an instrument in an exhaust hood, the experimenter usually cannot find a socket at a proper position and needs to be connected with a power strip. The test bed at the center of the laboratory is more inconvenient to connect electricity, and finally, the ground is easy to have some plug-in cables, so the test bed is unsafe and not beautiful.
In the aspect of an air source system, a steel cylinder is usually arranged in a laboratory when gas is needed, the laboratory is not attractive and inconvenient to use, and the laboratory needs to be dragged away when the laboratory is used.
Pollution problem, when experimenters do experiments to pollute human bodies and the surrounding environment, the discharged gas is harmful to the atmosphere and people.
Disclosure of Invention
The invention provides a multifunctional modularized folding exhaust hood, wherein two sides and a top observation window of the multifunctional modularized folding exhaust hood can be folded to realize the expansion of the multifunctional modularized folding exhaust hood into two sides of a test bed for exhausting air; after being folded, the utility model does not occupy the space on the table, can restore the function of the experiment table, and can be used for placing some instruments or carrying out some experiments; or one side is folded and the other side is kept unfolded to exhaust air for the experiment table at one side needing air exhaust; the folding degree of top observation window can be suitable for the not instrument and equipment of co-altitude, realizes that a set of draft hood is applicable to multiple use scene.
The specific technical scheme provided by the invention is as follows:
the invention provides a multifunctional modularized folding exhaust hood, which comprises an upright post, a table top fixed on the upright post, a top folding window and a side folding window arranged on the upright post, double-side ventilation ducts fixed at the upper end of the upright post, an air spring with two ends respectively fixed on the top folding window and the double-side ventilation ducts, a table rack fixed below the table top and an air valve fixed at the upper parts of the double-side ventilation ducts, wherein the double-side ventilation ducts are communicated with the air valve, the top folding window comprises a top upper window frame hinged and fixed at the bottom of the double-side ventilation ducts, a top front window frame hinged and fixed at the end part of the top upper window frame, an upper transparent window respectively fixed in the top upper window frame and the top front window frame, and a roller arranged at the end part of the top front window frame, the folding window in side is fixed including articulated the side front view window frame of stand side, with the side rear view window frame of the mutual articulated installation of side front view window frame, fix respectively side front view window frame with the transparent window in the side rear view window frame, one the folding window in top and two side folding windows that are located its both sides respectively splice each other and form a unilateral ventilation hood.
Optionally, the both sides ventiduct with the junction of window frame is provided with the damping hinge on the top, window frame on the top with the junction of top forward view window frame is provided with the damping hinge, the stand side with the junction of side forward view window frame is provided with built-in hinge, the side forward view window frame with the junction of side rear view window frame is provided with the damping hinge.
Optionally, a joint strip is arranged on a joint surface between the top folding window and the side folding window, a handle is arranged on the top front window frame, and the handle is arranged on the side front window frame.
Optionally, the gyro wheel is fixed the side folding window is just right on the folding window of top, window frame is relative on the top the folding or the expansion of two side ventiduct, top forward view window frame is relative window frame is folding or the expansion on the top, side rear view window frame is relative the stand side is folded or the expansion, side forward view window frame is relative side rear view window frame is folding or the expansion.
Optionally, a guide plate is arranged on the upright column and close to the table top, and the guide plate, the air valve and the double-side ventilation ducts are matched with each other to form an exhaust system of the folding exhaust hood.
Optionally, a partition plate is arranged inside the double-side air duct, the partition plate divides the double-side air duct into two mutually independent air ducts, the two air ducts are not communicated with each other, and each air duct is provided with an upper air port and a lower air port.
Optionally, the top of blast gate is provided with the gas purification cover, the gas purification cover includes gas purification cover box and sets up the inside removable filter core of gas purification cover box, removable filter core is including the second filter core that is used for adsorbing organic volatile solvent's first filter core and is used for adsorbing inorganic volatile solvent.
Optionally, a cross bridge module is arranged above the table top, a gas overlock, a net mouth panel, a socket panel, a cross bridge frame, a cross bridge panel and a wind valve switch panel are arranged on the cross bridge module, and the cross bridge module is installed on the stand column.
Optionally, a strong-current quick-plug, a weak-current quick-plug and a gas circuit quick-plug are mounted on the stand column.
The invention has the following beneficial effects:
the multifunctional modularized folding exhaust hood provided by the embodiment of the invention can push the top folding window between the two upright posts upwards obliquely by holding the handle on the top folding window when the desktop does not need to exhaust air, and can be folded upwards under the tightening force of the air spring and the sliding of the roller along the top of the side folding window in a matching way, and can be kept in a folding and locking state under the tightening force of the air spring; folding and shrinking the side folding window firstly folds the side front window frame inwards along the direction of the damping hinge, and then folds the folded side folding window outwards; when the desktop needs to exhaust, the unfolding sequence of the side folding windows is opposite to the folding sequence, and the unfolding sequence of the top folding windows is opposite to the folding sequence, so that the appearance of the exhaust hood can be restored, sealing rubber strips of the top folding windows need to press the tops of the side folding windows after the folding exhaust hood is unfolded, the air tightness is ensured, namely, when the unfolding state is restored, two sides of the top folding windows are respectively pressed on the tops of the side folding windows, so that the exhaust hood can be quickly folded and stored when not needed, the exhaust function of a coating space can be realized when the folding exhaust hood is folded and unfolded when needed, a simple labor-saving effect can be realized by means of the matching use of the air spring and the idler wheel, and the transparent observation windows at the top of the front side and; and the two sides and the top observation window can be folded to realize the unfolding of the test bed into two sides for air exhaust; after being folded, the utility model does not occupy the space on the table, can restore the function of the experiment table, and can be used for placing some instruments or carrying out some experiments; or one side is folded and the other side is kept unfolded to exhaust air for the experiment table at one side needing air exhaust; the folding degree of top observation window can be suitable for the not instrument and equipment of co-altitude, realizes that a set of draft hood is applicable to multiple use scene.
Drawings
FIG. 1 is an isometric view of a multi-functional modular folding exhaust hood according to an embodiment of the present invention;
FIG. 2 is a schematic front view of a multifunctional modular foldable hood according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a multifunctional modular foldable hood according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a multifunctional modular foldable hood according to an embodiment of the present invention;
FIG. 5 is a schematic view of a folding structure of a multifunctional modular folding exhaust hood according to an embodiment of the present invention;
fig. 6 is a schematic half sectional view of a multifunctional modular foldable hood according to an embodiment of the present invention.
Detailed Description
A multifunctional modular foldable hood according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 6.
Referring to fig. 1, 2, 3, 4 and 5, a multifunctional modularized foldable hood according to an embodiment of the present invention includes a vertical column 1, a top 2 fixed on the vertical column 1, a top foldable window 3 and a side foldable window 4 installed on the vertical column 1, a double-sided air duct 5 fixed on the upper end of the vertical column 1, an air spring 6 having both ends fixed on the top foldable window 3 and the double-sided air duct 5, respectively, a rack 7 fixed under the top 2, and an air valve 8 fixed on the upper portion of the double-sided air duct 5, wherein the double-sided air duct 5 and the air valve 8 are communicated with each other, the top foldable window 3 includes a top upper window frame 31 hinged and fixed on the bottom of the double-sided air duct 5, a top front window frame 32 hinged and fixed on the end of the top upper window frame 31, and an upper transparent window 33 fixed in the top upper window frame 31 and the top front, The roller 34 is installed at the end of the top front window frame 32, the side folding window 4 comprises a side front window frame 41 hinged and fixed at the side of the upright post 1, a side rear window frame 42 hinged and installed with the side front window frame 41, and side transparent windows 43 fixed in the side front window frame 41 and the side rear window frame 42 respectively, and a top folding window 3 and two side folding windows 4 respectively positioned at the two sides of the top folding window are spliced with each other to form a single-side ventilation hood.
Referring to fig. 1, 2, 4 and 5, both ends of a gas spring 6 are respectively fixed on the top folding window 3 and the double-sided air ducts 5, and the top folding window 3 and the double-sided air ducts 5 are connected together, wherein the gas spring 6 is disposed above the top folding window 3, a damping hinge 35 is disposed at a junction of the double-sided air ducts 5 and the top upper window frame 31, a damping hinge 35 is disposed at a junction of the top upper window frame 31 and the top front window frame 32, a built-in hinge 44 is disposed at a junction of a side edge of the pillar 1 and the side front window frame 41, and a damping hinge 35 is disposed at a junction of the side front window frame 41 and the side rear window frame 42. The joint surface between the top folding window 3 and the side folding window 4 is provided with a sealing rubber strip 10, the top front window frame 32 is provided with a handle 9, and the side front window frame 32 is provided with a handle 9.
Referring to fig. 1, 2, 4, 5 and 6, rollers 34 are fixed to the frame of the top folding window 3 facing the side folding window 4, the top upper window frame 31 is folded or unfolded with respect to the double-sided air duct 5, the top front window frame 32 is folded or unfolded with respect to the top upper window frame 31, the side front window frame 41 is folded or unfolded with respect to the side of the pillar 1, and the side rear window frame 42 is folded or unfolded with respect to the side front window frame 41.
Specifically, as shown in fig. 1 and 5, the contact between the sealing rubber strip 10 at the lower end of the top folding window 3 and the top end of the side folding window 4 can form a seal at the joint of the two frames, thereby preventing gas from leaking. When the desktop does not need to exhaust air, the handle 9 on the top folding window 3 is held to push the top folding window 3 between the two vertical columns upwards in an inclined mode, the top folding window 3 slides along the top of the side folding window 4 under the tightening force of the air spring 6 and the cooperation of the roller 34 to be folded upwards in a shrinkage mode, and the folding locking state is kept under the cooperation of the shrinkage force of 2 air springs 6 and 4 damping hinges 35. The folding and contraction of the side folding window 4 firstly folds the side front window frame 41 inwards along the direction of the damping hinge 35, and then folds the folded side folding window 4 outwards; when the desktop needs to exhaust, the unfolding sequence of the side folding windows 4 is opposite to the folding sequence, and the unfolding sequence of the top folding window 3 is opposite to the folding sequence, so that the appearance of the exhaust hood can be restored.
Referring to fig. 1 and 6, a baffle 11 is disposed on the column 1 near the table top 2, and the baffle 11, the air valve 8 and the double-sided air duct 5 cooperate with each other to form an exhaust system of the folding exhaust hood according to the embodiment of the present invention. The inside baffle 12 that is provided with of two side ventiduct 5, baffle 12 divide into two wind channels of mutual independence with two side ventiduct 5, and do not communicate each other between two wind channels, are provided with two wind gaps from top to bottom on each wind channel. Each air duct is provided with an upper air inlet and a lower air inlet, and the two air inlets can exhaust air in a space formed by the top folding window 3, the side folding window 4, the table board 2, the guide plate 11 and the transverse bridge module. The switch of blast gate 8 is installed on horizontal bridge panel, and the opening and closing of steerable blast gate, every blast gate 8 are provided with a corresponding switch, can realize opening alone and close of blast gate.
Referring to fig. 3, 4, 5 and 6, a clean air hood 13 is disposed above the air valve 8, the clean air hood 13 includes a clean air hood case 131 and a replaceable filter element 132 disposed inside the clean air hood case 131, and the replaceable filter element 132 includes a first filter element for adsorbing the organic volatile solvent and a second filter element for adsorbing the inorganic volatile solvent, which can be used for filtering the organic volatile solvent and the inorganic volatile solvent, respectively.
Referring to fig. 3, 4, 5 and 6, a cross bridge module 14 is arranged above the table top 2, a gas overlock 141, a mesh panel 142, a socket panel 143, a cross bridge frame 144, a cross bridge panel 145 and a wind valve switch panel 146 are arranged on the cross bridge module 14, and the cross bridge module 14 is installed on the upright post 1.
The top folding window 3 and the side folding window 4 of the folding exhaust hood provided by the embodiment of the invention can be folded, and the two parts can be unfolded to be used as a desktop exhaust hood, so that the functions of a common experiment table can be restored after the folding exhaust hood is stored and folded, and the folding exhaust hood also integrates functional modules for power supply, air supply and the like, and can expand the functions of the experiment table. Specifically, a strong-current quick plug, a weak-current quick plug and a gas circuit quick plug are mounted on the upright post 1. The pipeline that connects on forceful electric power fast plug, weak current fast plug and the fast plug of gas circuit links to each other through 1 inner chamber of stand and horizontal bridge module 14 inner chamber and the circuit and the gas circuit module on horizontal bridge module 14, and forceful electric power fast plug, weak current fast plug and the fast plug of gas circuit above the stand 1 butt joint in the strong and weak electricity and the gas circuit on the laboratory top system respectively.
When the desktop does not need to exhaust air, the handle 9 on the top folding window 3 is held to push the top folding window 3 between the two upright posts 1 upwards in an inclined way, and the top folding window is folded upwards under the tightening force of the air spring 6 and slides along the top of the side folding window 4 in cooperation with the roller 34, and the top folding window is kept in a folded and locked state under the tightening force of the air spring 6. Folding and shrinking the side folding window 4 firstly folds the side folding window 4 inwards along the direction of the damping hinge, and then folds the folded side folding window 4 outwards; when the desktop needs to exhaust, the unfolding sequence of the side folding windows 4 is opposite to the folding sequence, and the unfolding sequence of the top folding window 3 is opposite to the folding sequence, so that the appearance of the exhaust hood can be restored. A double-side air duct 5 with a double-channel air duct is arranged between the two upright posts, each air duct of the double-side air duct 5 is respectively provided with two air inlets, the two air ducts are sealed and independent, one end of each air duct is communicated with the two air inlets, and the other end of each air duct is communicated with an air valve. The two air ducts respectively exhaust air in areas on two sides of the experiment table. Two air valves are arranged above the double-side air duct 5, each air valve corresponds to one air duct, the air ducts are exhausted or not exhausted through opening and closing control of the air valves, air pipes are abutted to the system exhaust pipes above the air valves, and the system exhaust provides exhaust power for the whole exhaust hood. The air purifying module with the air purifying filter element can be integrated above the air valve, the lower part of the air purifying module is connected with the air valve, an air outlet is reserved above the module, and the air pipe can be butted with a system exhaust pipe.
The exhaust hood integrated in the embodiment of the invention can be flexibly switched between two modes of restoring a desktop and recovering the appearance of the exhaust hood under two states of folding and unfolding, so that the exhaust hood can be quickly folded and stored when not needed, the exhaust function of a coating space can be realized by folding and unfolding when needed, the simple and labor-saving effect can be realized by means of the matching use of the air spring and the rollers, and the state in the exhaust hood can be conveniently observed by the transparent observation windows at the top of the front side and the two sides. Two routes are aired exhaust can be according to the state of expandeing with folding accomodating, switch at will and adjust opening of two routes blast gate whether to select which one way of airing exhaust or two ways all open, greatly increased air exhaust function's use flexibility has solved the not high problem of space utilization in the laboratory exhaust hood. The air outlet is closer to the position needing air exhaust, and a better air exhaust effect can be achieved under the condition of smaller air quantity. The double-path ventilation can greatly utilize the area on the table, and the requirement of experimenters on the air exhaust point position is increased. The integration of multiple modules may increase the functional expansion of the exhaust hood. The air exhaust cover can be used regardless of whether the air exhaust cover is folded or not for power supply and air supply, so that the problem of pain points of experimenters in electricity and gas use is solved greatly, the requirement for air exhaust can be met at any time, and the function of the test bed is improved greatly. And the whole exhaust module can realize modularized integral installation and removal, so that the configuration flexibility of the test bed is improved. The top of the exhaust hood can be integrated with a gas purification hood with a gas purification filter element, so that the expansibility and the environmental friendliness of functions are improved.
The multifunctional modularized folding exhaust hood provided by the embodiment of the invention can push the top folding window between the two upright posts upwards obliquely by holding the handle on the top folding window when the desktop does not need to exhaust air, and can be folded upwards under the tightening force of the air spring and the sliding of the roller along the top of the side folding window in a matching way, and can be kept in a folding and locking state under the tightening force of the air spring; folding and shrinking the side folding window firstly folds the side front window frame inwards along the direction of the damping hinge, and then folds the folded side folding window outwards; when the desktop needs to exhaust, the unfolding sequence of the side folding windows is opposite to the folding sequence, and the unfolding sequence of the top folding windows is opposite to the folding sequence, so that the appearance of the exhaust hood can be restored, sealing rubber strips of the top folding windows need to press the tops of the side folding windows after the folding exhaust hood is unfolded, the air tightness is ensured, namely, when the unfolding state is restored, two sides of the top folding windows are respectively pressed on the tops of the side folding windows, so that the exhaust hood can be quickly folded and stored when not needed, the exhaust function of a coating space can be realized when the folding exhaust hood is folded and unfolded when needed, a simple labor-saving effect can be realized by means of the matching use of the air spring and the idler wheel, and the transparent observation windows at the top of the front side and; and the two sides and the top observation window can be folded to realize the unfolding of the test bed into two sides for air exhaust; after being folded, the utility model does not occupy the space on the table, can restore the function of the experiment table, and can be used for placing some instruments or carrying out some experiments; or one side is folded and the other side is kept unfolded to exhaust air for the experiment table at one side needing air exhaust; the folding degree of top observation window can be suitable for the not instrument and equipment of co-altitude, realizes that a set of draft hood is applicable to multiple use scene.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (9)
1. The utility model provides a folding exhaust hood of multi-functional modularized, its characterized in that, folding exhaust hood includes the stand, fixes mesa on the stand, install top folding window and side folding window on the stand, fix two side ventiduces, both ends of stand upper end are fixed respectively the top folding window with air spring on the two side ventiduces, fix the rack of mesa below with fix the blast gate on two side ventiduces upper portion, wherein, two side ventiduces with the blast gate communicates each other, top folding window is fixed including articulated window frame on the top of two side ventiduces bottoms, articulated top forward view window frame of fixing window frame tip on the top, fix respectively window frame on the top with last transparent window in the window frame before the top, install the gyro wheel at top forward view window frame tip, the folding window in side is fixed including articulated the side front view window frame of stand side, with the side rear view window frame of the mutual articulated installation of side front view window frame, fix respectively side front view window frame with the transparent window in the side rear view window frame, one the folding window in top and two side folding windows that are located its both sides respectively splice each other and form a unilateral ventilation hood.
2. A foldable hood as in claim 1, wherein a damping hinge is provided at the junction of the double-sided air duct and the top upper window frame, a damping hinge is provided at the junction of the top upper window frame and the top front window frame, a built-in hinge is provided at the junction of the side of the pillar and the side front window frame, and a damping hinge is provided at the junction of the side front window frame and the side rear window frame.
3. A foldable hood as claimed in claim 1, wherein a sealing strip is provided at the joint between the top folding window and the side folding window, a handle is provided on the top front window frame, and a handle is provided on the side front window frame.
4. A foldable hood as claimed in claim 1, wherein said rollers are fixed to said top folding window opposite to said side folding window, said top window frame is folded or unfolded with respect to said double-sided air duct, said top front window frame is folded or unfolded with respect to said top window frame, said side rear window frame is folded or unfolded with respect to said side of said pillar, and said side front window frame is folded or unfolded with respect to said side rear window frame.
5. The foldable exhaust hood according to claim 1 or 4, wherein a guide plate is arranged on the upright post near the table top, and the guide plate, the air valve and the double-side ventilation ducts are mutually matched to form an exhaust system of the foldable exhaust hood.
6. A foldable exhaust hood according to claim 5, characterized in that a partition is arranged inside the double-side air ducts, the partition divides the double-side air ducts into two independent air ducts, the two air ducts are not communicated with each other, and each air duct is provided with an upper air port and a lower air port.
7. A folding exhaust hood according to claim 5, characterized in that a clean air hood is arranged above the air valve, the clean air hood comprises a clean air hood box body and a replaceable filter element arranged inside the clean air hood box body, and the replaceable filter element comprises a first filter element for adsorbing organic volatile solvent and a second filter element for adsorbing inorganic volatile solvent.
8. A folding exhaust hood according to claim 7, characterized in that a cross bridge module is arranged above the table top, and a gas overlock, a net mouth panel, a socket panel, a cross bridge frame, a cross bridge panel and a wind valve switch panel are arranged on the cross bridge module, and the cross bridge module is installed on the upright posts.
9. A foldable hood, according to claim 8, characterized in that said posts are provided with fast plug for strong electricity, fast plug for weak electricity and fast plug for gas circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574114.2A CN111872006B (en) | 2020-06-22 | 2020-06-22 | Multifunctional modular folding exhaust hood |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574114.2A CN111872006B (en) | 2020-06-22 | 2020-06-22 | Multifunctional modular folding exhaust hood |
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| CN111872006A true CN111872006A (en) | 2020-11-03 |
| CN111872006B CN111872006B (en) | 2022-09-09 |
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| CN202010574114.2A Active CN111872006B (en) | 2020-06-22 | 2020-06-22 | Multifunctional modular folding exhaust hood |
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|---|---|---|---|---|
| FR2334432A1 (en) * | 1975-11-17 | 1977-07-08 | Barbieri Galdino | Portable hood for removing fumes - has folding top and base with fan in body drawing fumes through filter for rear discharge |
| CN205499611U (en) * | 2016-02-01 | 2016-08-24 | 江苏昌悦重工科技有限公司 | Folding rain -proof cover |
| CN206438925U (en) * | 2016-11-28 | 2017-08-25 | 无锡特恒科技有限公司 | Sliding type folding window mechanism |
| CN207651178U (en) * | 2017-12-29 | 2018-07-24 | 广州铭豪自动化设备有限公司 | A kind of outer cover with folding door |
| CN110270573A (en) * | 2019-07-17 | 2019-09-24 | 山东沃柏斯实验室工程有限公司 | A kind of desktop air exhausting device |
| CN210303761U (en) * | 2019-07-11 | 2020-04-14 | 山东沃柏斯实验室工程有限公司 | Integrated circuit and gas circuit module's laboratory bench |
-
2020
- 2020-06-22 CN CN202010574114.2A patent/CN111872006B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2334432A1 (en) * | 1975-11-17 | 1977-07-08 | Barbieri Galdino | Portable hood for removing fumes - has folding top and base with fan in body drawing fumes through filter for rear discharge |
| CN205499611U (en) * | 2016-02-01 | 2016-08-24 | 江苏昌悦重工科技有限公司 | Folding rain -proof cover |
| CN206438925U (en) * | 2016-11-28 | 2017-08-25 | 无锡特恒科技有限公司 | Sliding type folding window mechanism |
| CN207651178U (en) * | 2017-12-29 | 2018-07-24 | 广州铭豪自动化设备有限公司 | A kind of outer cover with folding door |
| CN210303761U (en) * | 2019-07-11 | 2020-04-14 | 山东沃柏斯实验室工程有限公司 | Integrated circuit and gas circuit module's laboratory bench |
| CN110270573A (en) * | 2019-07-17 | 2019-09-24 | 山东沃柏斯实验室工程有限公司 | A kind of desktop air exhausting device |
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| CN111872006B (en) | 2022-09-09 |
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