CN218589999U - Structure is changed to extraction hood filter core - Google Patents
Structure is changed to extraction hood filter core Download PDFInfo
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- CN218589999U CN218589999U CN202223062749.8U CN202223062749U CN218589999U CN 218589999 U CN218589999 U CN 218589999U CN 202223062749 U CN202223062749 U CN 202223062749U CN 218589999 U CN218589999 U CN 218589999U
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Abstract
The utility model belongs to the technical field of universal exhaust hood, especially, be an exhaust hood filter core replacement structure, including universal exhaust hood joint, universal connecting portion, gas collecting channel and active carbon filter screen, a plurality of universal exhaust hood joint is connected end to end through universal connecting portion, still includes arc installation section of thick bamboo, arc staple bolt, bolt and plum blossom internal thread knob; the active carbon filter screen is arranged in the arc-shaped mounting cylinder, and a mounting notch is formed in the joint of the universal air exhaust cover; two groups of arc-shaped hoops are hinged on the outer wall of the universal air exhaust cover joint at intervals, and two arc-shaped hoops are symmetrically distributed on the same group; the utility model discloses a set up detachable arc installation section of thick bamboo on a joint of universal exhaust hood, install the active carbon filter screen in the arc installation section of thick bamboo, be convenient for clear up or change the active carbon filter screen, it is simple and convenient, low cost to change, can accomplish at indoor independent operation, and experimenter can change immediately, labour saving and time saving, can satisfy the environmental protection requirement.
Description
Technical Field
The utility model belongs to the technical field of universal exhaust hood, concretely relates to exhaust hood filter core replacement structure.
Background
The universal air exhaust cover is mainly a device for quickly exhausting small-range floating objects or gases such as dust, hot air, volatile gas, harmful gas and the like in a small range generated in an experiment or production process, is one of necessary safety devices in a laboratory, is often in direct contact with chemical drugs which are very strong in toxicity, corrosive, easy to burn and explosive in a biological laboratory and a chemical laboratory, often uses fragile glass and porcelain vessels and performs nervous and delicate work in the environment of high-temperature electric heating equipment such as gas, water, electricity and the like, therefore, the safety work must be very seriously considered, and therefore, in some teaching and scientific research laboratories, the universal air exhaust cover is generally installed above an experiment operating platform to directly exhaust indoor gas to the outdoor environment.
Through retrieval, chinese utility model patent with application number 201520835935.1 discloses "adsorption equipment's universal suction hood is equipped with", and it includes universal suction hood body, universal suction hood body comprises connecting axle and arch gas collecting channel, be equipped with the adsorption equipment who is used for filtering and adsorbed particle and harmful substance between connecting axle and the arch gas collecting channel. The utility model discloses an adsorption equipment can filter the dust of the great granule in the laboratory, the small harmful substance of volume to and the pungent smell of absorption volatile solvent. The air quality in the laboratory is improved, and the emission of harmful substances to the atmosphere is reduced, so that the environment is protected.
In order to reach the purpose of environmental protection, install the active carbon filter screen in the unity additional in outdoor air outlet department, perhaps install the active carbon filter screen additional on the joint of universal exhaust hood, however, when traditional scheme was in service, there was the filter screen to change the installation step complicated relatively, change cycle length, change with high costs problem.
The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides an extract air cover filter core replacement structure has convenient to use and easily dismouting's characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: an air exhaust cover filter element replacing structure comprises universal air exhaust cover joints, universal connecting parts, air collecting covers and active carbon filter screens, wherein a plurality of universal air exhaust cover joints are connected end to end through the universal connecting parts;
the active carbon filter screen is detachably arranged in the arc-shaped mounting barrel, and a mounting notch capable of accommodating the arc-shaped mounting barrel is formed in the joint of the universal air exhaust cover;
two sets of arc staple bolt interval articulates universal extraction hood articulated outer wall, and with the group arc staple bolt symmetric distribution has two have the closing piece on the free end of arc staple bolt, just waist type hole has been seted up in the closing piece, the bolt runs through waist type hole, plum blossom internal thread knob passes through the screw thread and closes the mode and install stretching out of bolt is served.
As a preferred technical scheme of the utility model, it is two sets of the arc staple bolt corresponds respectively universal extraction hood joint with two arc contact seams of an arc installation section of thick bamboo.
As a preferred technical scheme of the utility model, a rubber sealing gasket is bonded and fixed on the inner wall of the arc mouth of the arc-shaped hoop; rubber sealing gaskets are also bonded and fixed on the two vertical side walls of the installation notch.
As an optimal technical scheme of the utility model the operating handle is installed to the outer wall of an arc installation section of thick bamboo.
As an optimal technical scheme of the utility model, still include cross internal thread knob the inner wall of an arc installation section of thick bamboo is fixed with the support ring and is used for supporting the active carbon filter screen, just the top surface of support ring is fixed with a plurality of screw thread posts that interval distribution such as circumferencial direction, the active carbon filter screen is run through on the top of screw thread post, cross internal thread knob closes the mode through the screw thread soon and installs the stretching out of screw thread post is served.
As an optimal technical scheme of the utility model the arc is installed and is still installed gas flow alarm on the section of thick bamboo.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up detachable arc installation section of thick bamboo on a joint of universal exhaust hood, install the active carbon filter screen in the arc installation section of thick bamboo, be convenient for clear up or change the active carbon filter screen, it is simple and convenient, low cost to change, can accomplish at indoor independent operation, and experimenter can change immediately, labour saving and time saving, can satisfy the environmental protection requirement.
Additional advantages and benefits of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 3 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention;
in the figure: 1. a universal extraction hood joint; 2. a universal connection section; 3. a gas-collecting hood; 4. an arc-shaped mounting cylinder; 5. installing a notch; 6. an active carbon filter screen; 7. a gas flow alarm; 8. an operating handle; 9. an arc-shaped hoop; 10. a closing block; 11. a kidney-shaped hole; 12. a bolt; 13. a quincuncial internal thread knob; 14. a rubber seal gasket; 15. a support ring; 16. a threaded post; 17. a cross internal thread knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: a structure for replacing a filter element of an air exhaust hood comprises universal air exhaust hood joints 1, universal connecting parts 2, air collecting hoods 3 and an active carbon filter screen 6, wherein a plurality of universal air exhaust hood joints 1 are connected end to end through the universal connecting parts 2, the air collecting hoods 3 are installed on the universal air exhaust hood joints 1 at the tail ends, and the structure for replacing the filter element of the air exhaust hood further comprises an arc-shaped installation barrel 4, an arc-shaped hoop 9, a bolt 12 and a plum blossom internal thread knob 13;
as shown in fig. 1 and fig. 2, in this embodiment, the activated carbon filter screen 6 is detachably mounted in the arc-shaped mounting cylinder 4, and the universal air exhaust cover joint 1 is provided with a mounting notch 5 capable of accommodating the arc-shaped mounting cylinder 4, so that when in use, the activated carbon filter screen 6 is detachably mounted in the arc-shaped mounting cylinder 4, and then the arc-shaped mounting cylinder 4 is mounted in the mounting notch 5 for use;
the activated carbon filter screen 6 is provided with an activated carbon adsorption material, the activated carbon can adsorb larger-particle dust, small-sized harmful pollutants and pungent odor of volatile solvent, and other adsorption materials such as acidic adsorbent can be used under certain conditions.
Shown by attached drawing 1 and attached drawing 2, in this embodiment, two sets of arc staple bolts 9 interval hinge at the outer wall of universal suction hood joint 1, and the arc staple bolt 9 symmetrical distribution of the same group has two, have closing piece 10 on the free end of arc staple bolt 9, and set up waist type hole 11 in closing piece 10, bolt 12 runs through waist type hole 11, plum blossom internal thread knob 13 is installed on the extension of bolt 12 through the screw thread mode of closing soon, after pushing into installation breach 5 with arc installation section of thick bamboo 4 in, closed arc staple bolt 9 of the same group, later run through waist type hole 11 with bolt 12, can make arc staple bolt 9 hold universal suction hood joint 1 and arc installation section of thick bamboo 4 tightly after screwing plum blossom internal thread knob 13, improve the stability of arc installation section of thick bamboo 4 installation.
As shown in fig. 1 and fig. 2, as an optional embodiment, in this embodiment, two sets of arc-shaped anchor ears 9 respectively correspond to two arc-shaped contact seams of the universal air exhaust hood joint 1 and the arc-shaped installation barrel 4, so as to ensure the connection tightness between the universal air exhaust hood joint 1 and the arc-shaped installation barrel 4.
As an alternative embodiment, as shown in fig. 1 and fig. 2, in this embodiment, a rubber sealing gasket 14 is adhesively fixed on the inner wall of the arc opening of the arc-shaped hoop 9; rubber sealing gaskets 14 are also bonded and fixed on two vertical side walls of the installation gap 5, so that the connection tightness of the universal extraction hood joint 1 and the arc-shaped installation barrel 4 is further improved, and air leakage is avoided.
As an alternative embodiment, as shown in fig. 1 and fig. 2, in this embodiment, an operating handle 8 is installed on the outer wall of the arc-shaped mounting cylinder 4, so as to facilitate taking the arc-shaped mounting cylinder 4.
As an optional embodiment, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the detachable active carbon filter screen further includes a cross internal thread knob 17, a support ring 15 is fixed on the inner wall of the arc-shaped mounting cylinder 4 for supporting the active carbon filter screen 6, a plurality of threaded columns 16 are fixed on the top surface of the support ring 15 and distributed at equal intervals along the circumferential direction, the active carbon filter screen 6 is penetrated through the top end of the threaded column 16, the cross internal thread knob 17 is mounted on the extending end of the threaded column 16 in a thread screwing manner, so that the detachable mounting of the active carbon filter screen 6 is realized, and the active carbon filter screen 6 is convenient to mount, use, detach, clean and replace.
As shown in fig. 1 and fig. 2, as an alternative embodiment, in this embodiment, an air flow alarm 7 is further installed on the arc-shaped installation cylinder 4, and when the ventilation performance is reduced due to excessive dust adsorbed by the activated carbon filter screen 6, the air flow alarm 7 can prompt to clean the activated carbon filter screen 6 or replace the activated carbon filter screen with a new adsorption material.
It should be noted that the gas flow alarm 7 is a conventional electric device on the market, that is, can be obtained directly by purchasing or private customization on the market, and the working principle thereof is also the disclosed prior art, and is not described herein again.
The utility model discloses a theory of operation and use flow: the utility model discloses a structure is changed to suction hood filter core, when using, install 6 detachable active carbon filter screens in arc installation section of thick bamboo 4, install arc installation section of thick bamboo 4 in installation breach 5 again and can use, in addition, after pushing arc installation section of thick bamboo 4 into installation breach 5, close the arc staple bolt 9 of the same group, later run through waist type hole 11 with bolt 12, can make arc staple bolt 9 hold universal suction hood joint 1 and arc installation section of thick bamboo 4 tightly after screwing plum blossom internal thread knob 13, improve the stability of arc installation section of thick bamboo 4 installation;
the top end of the threaded column 16 penetrates through the activated carbon filter screen 6, and the cross internal thread knob 17 is installed on the extending end of the threaded column 16 in a threaded screwing mode, so that the activated carbon filter screen 6 can be detachably installed, and the activated carbon filter screen 6 is convenient to install, use, disassemble, clean and replace;
the utility model discloses a set up detachable arc installation section of thick bamboo 4 on universal exhaust hood joint 1, install active carbon filter screen 6 in arc installation section of thick bamboo 4, be convenient for clear up or change active carbon filter screen 6, it is simple and convenient, low cost to change, can accomplish at indoor independent operation, and the experimenter can change immediately, labour saving and time saving, can satisfy the environmental protection requirement.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a structure is changed to suction hood filter core, includes universal suction hood joint (1), universal connecting portion (2), gas collecting channel (3) and active carbon filter screen (6), and is a plurality of universal suction hood joint (1) is end to end through universal connecting portion (2), install gas collecting channel (3) terminal on universal suction hood joint (1), its characterized in that: the air suction cover filter element replacing structure further comprises an arc-shaped mounting barrel (4), an arc-shaped hoop (9), a bolt (12) and a plum blossom internal thread knob (13);
the active carbon filter screen (6) is detachably arranged in the arc-shaped mounting barrel (4), and a mounting notch (5) capable of accommodating the arc-shaped mounting barrel (4) is formed in the universal air exhaust cover joint (1);
two sets of arc staple bolt (9) interval articulates the outer wall of universal extraction hood joint (1), and with the group arc staple bolt (9) symmetric distribution has two have closing piece (10) on the free end of arc staple bolt (9), just set up waist type hole (11) in closing piece (10), bolt (12) run through waist type hole (11), plum blossom internal thread knob (13) are installed through the screw thread closure mode stretch out of bolt (12) and are served.
2. A suction hood filter element replacement arrangement as claimed in claim 1, wherein: the two groups of arc-shaped anchor ears (9) respectively correspond to two arc-shaped contact seams of the universal air exhaust cover joint (1) and the arc-shaped installation barrel (4).
3. A suction hood filter element replacement arrangement as claimed in claim 1, wherein: a rubber sealing gasket (14) is adhered and fixed on the inner wall of the arc opening of the arc-shaped hoop (9); rubber sealing gaskets (14) are also bonded and fixed on the two vertical side walls of the installation notch (5).
4. A suction hood filter insert changing arrangement as claimed in claim 1, wherein: an operating handle (8) is arranged on the outer wall of the arc-shaped mounting cylinder (4).
5. A suction hood filter insert changing arrangement as claimed in claim 1, wherein: still include cross internal thread knob (17) the inner wall of arc installation section of thick bamboo (4) is fixed with support ring (15) and is used for supporting active carbon filter screen (6), and the top surface of support ring (15) is fixed with a plurality of screw post (16) along the equidistant distribution of circumferencial direction, active carbon filter screen (6) are run through on the top of screw post (16), cross internal thread knob (17) are installed through the screw thread closure mode on the extension of screw post (16) is served.
6. A suction hood filter element replacement arrangement as claimed in claim 1, wherein: and the arc-shaped mounting cylinder (4) is also provided with an air flow alarm (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223062749.8U CN218589999U (en) | 2022-11-18 | 2022-11-18 | Structure is changed to extraction hood filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223062749.8U CN218589999U (en) | 2022-11-18 | 2022-11-18 | Structure is changed to extraction hood filter core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218589999U true CN218589999U (en) | 2023-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223062749.8U Active CN218589999U (en) | 2022-11-18 | 2022-11-18 | Structure is changed to extraction hood filter core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218589999U (en) |
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2022
- 2022-11-18 CN CN202223062749.8U patent/CN218589999U/en active Active
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