CN209735255U - Fume chamber filter convenient to change - Google Patents
Fume chamber filter convenient to change Download PDFInfo
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- CN209735255U CN209735255U CN201822034552.0U CN201822034552U CN209735255U CN 209735255 U CN209735255 U CN 209735255U CN 201822034552 U CN201822034552 U CN 201822034552U CN 209735255 U CN209735255 U CN 209735255U
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- sleeve
- groove
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- fixing sleeve
- mesh layer
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- 239000003517 fume Substances 0.000 title claims abstract description 40
- 230000008859 change Effects 0.000 title claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000010453 quartz Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract description 14
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a fume chamber filter convenient to change, including fume chamber upper cover plate, ventilation blower, first standing groove and second standing groove, the upper portion center side at the fume chamber upper cover plate is seted up to first standing groove, the one end that deviates from first standing groove is seted up on the upper portion of fume chamber upper cover plate to the second standing groove, the air inlet tank has been seted up to the bottom central point of second standing groove, first draw-in groove has all been seted up to four side end central points of air inlet tank, the preceding side central point of first standing groove puts and has seted up the air-out duct, ventilation blower fixed mounting puts at the bottom central point of first standing groove, the back side of ventilation blower rotates installs the motor. The utility model discloses a set up screw thread post, external screw thread, filter screen mechanism and sleeve pipe mechanism, solved fume chamber filter and changed the installation convenient and fast inadequately and filter filtration mode too in single, unable thoroughly purify harmful gas's problem.
Description
Technical Field
The utility model relates to a fume chamber technical field specifically is a fume chamber filter convenient to change.
Background
The fume hood is a local exhaust device, also called as fume hood or fume hood, which is the most commonly used equipment in laboratories, and is a large-scale device in laboratories, especially chemical laboratories. The purpose is to reduce the contact between experimenters and harmful gases. The fume hood is generally discharged to the outside of the room after the indoor air is circulated in the filter in the hood, and the air discharge mode can be an upper air discharge mode or a lower air discharge mode, wherein the filter generally adopts activated carbon as a filter material to perform the functions of adsorbing and purifying air. However, the prior art has the following defects:
1. When the filter of the existing fume hood needs to be replaced after being used for a long time, the mounting and dismounting mode is very complicated and is not convenient and quick enough;
2. the filter of the fume hood at the present stage adopts a single filtering mode, harmful gases are not thoroughly filtered, and the environment pollution caused by outdoor environment is directly eliminated.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a fume chamber filter convenient to change has solved fume chamber filter and has changed the installation convenient and fast inadequately and filter filtration mode too in single, the unable problem of thoroughly purifying harmful gas.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a convenient-to-replace fume hood filter comprises an upper cover plate of a fume hood, a ventilator, a first placing groove and a second placing groove, wherein the first placing groove is formed in the upper center side end of the upper cover plate of the fume hood, the second placing groove is formed in the upper end, deviating from the first placing groove, of the upper cover plate of the fume hood, an air inlet groove is formed in the bottom center position of the second placing groove, first clamping grooves are formed in the center positions of four side ends of the air inlet groove, an air outlet groove is formed in the center position of the front side end of the first placing groove, the ventilator is fixedly installed in the bottom center position of the first placing groove, a motor is rotatably installed at the rear side end of the ventilator, a connecting bayonet is fixedly installed at the upper side end of the ventilator, a communicating pipe is fixedly installed at the upper center position of the connecting bayonet, and a first fixing sleeve is fixedly installed at the end, and a filtering mechanism is spirally arranged at the center of the bottom end of the first fixed sleeve.
Preferably, the filtering mechanism comprises a threaded hole, a spiral bolt, a clamping block, a protective shell, a threaded column, a second fixing sleeve, external threads, a filter screen mechanism and a sleeve mechanism, the protective shell is fixedly installed at the central position of the lower end of the filtering mechanism, the clamping block is fixedly installed at the central position of four side ends of the bottom end of the protective shell, the spiral bolt is symmetrically and spirally installed at two side ends of the upper portion of the protective shell, the threaded hole is formed in the central position of the upper portion of the protective shell, the second fixing sleeve is spirally installed at the central position of an inner cavity of the threaded hole through the threaded column, the external threads are formed in the outer side end of the upper portion of the second fixing sleeve, the sleeve mechanism is inserted at the bottom end of the inner cavity of the second fixing sleeve, and.
Preferably, the sleeve pipe mechanism includes the fixed lantern ring, recess, connecting rod, through-hole and third fixed sleeving, third fixed sleeving fixed mounting puts at the central point of the fixed lantern ring, fixed lantern ring is fixed to be cup jointed at the upper portion outside end of third fixed sleeving, the recess is seted up and is put at the both sides end central point of the fixed lantern ring, connecting rod fixed mounting is at the medial extremity of connecting rod, the through-hole is evenly opened and is put at the outside end of third fixed sleeving.
Preferably, the filter screen mechanism comprises an activated carbon mesh layer, a quartz mesh layer, a PTFE mesh layer, an HPEA mesh layer, a second clamping groove and a fixing plate, the fixing plate is fixedly installed at the center position of the two side ends of the filter screen mechanism, the activated carbon mesh layer is fixedly installed at the bottom end of the inner side of the adjacent fixing plate, the quartz mesh layer is fixedly installed at the lower end of the center of the inner side of the adjacent fixing plate, the PTFE mesh layer is fixedly installed at the upper end of the center of the inner side of the adjacent fixing plate, the HPEA mesh layer is fixedly installed at the top end of the inner side of the adjacent fixing.
Preferably, the clamping block is clamped at the inner side end of the first clamping groove, the filtering mechanism is spirally inserted in the center of the bottom end of the first fixing sleeve through an external thread, the model of the motor is YE2, the model of the ventilator is CZR-LY60, and the motor is electrically connected with an external power supply.
Preferably, the radius of the inner cavity of the second fixing sleeve is matched with that of the third fixing sleeve, the radius of the fixing lantern ring is larger than that of the third fixing sleeve, and the radius of the fixing lantern ring is smaller than the outer radius of the second fixing sleeve.
three beneficial effects
The utility model provides a fume chamber filter convenient to change possesses following beneficial effect:
(1) The utility model has the advantages that the utility model has the function of conveniently and rapidly replacing the filter by arranging the threaded post, the external thread and the sleeve mechanism, the complex replacement mode can delay the replacement efficiency of the filter when the fume hood filter needs to be replaced after long-time use is avoided, thereby effectively solving the problem that the replacement and installation of the fume hood filter are not convenient and rapid enough, the upper cover plate and the first placing groove of the fume hood are arranged to give a supporting force to the motor and the ventilator, the second placing groove is arranged to give one filtering mechanism, the upper end is fixedly communicated with the communicating pipe, the lower end is fixedly provided with the second fixing sleeve by the external thread screw, the first clamping groove and the clamping block are arranged, the filtering mechanism can be arranged at the inner side end of the first clamping groove by the clamping block due to the matching of the first clamping groove and the clamping block, the fixed installation of the filtering mechanism and the bottom end of the, the screw bolt is installed to strengthen and fasten the fixing work of the filtering mechanism and the bottom end of the second placing groove, the protective shell is installed to provide a supporting force for the second fixing sleeve, the threaded hole and the threaded column are installed, the threaded hole is matched with the threaded column, so that the second fixing sleeve can be inserted into the inner side end of the threaded hole through the screw which is fastened by the threaded column, the third fixing sleeve is more light and convenient to ventilate through the installation through hole, the setting of the multiple holes is more favorable for air to enter, the fixing sleeve is installed on the fixing sleeve ring, the radius of the fixing sleeve ring is larger than that of the third fixing sleeve, the radius of the fixing sleeve ring is smaller than that of the outer side of the second fixing sleeve, when the third fixing sleeve is inserted into the inner cavity of the second fixing sleeve, the fixing sleeve ring can be clamped at the outer side end of the upper portion of the second fixing sleeve, and, when the sleeve pipe mechanism needs to be replaced, a user only needs to take the connecting rod out, the third fixing sleeve pipe can be taken out from the inner cavity of the second fixing sleeve pipe, and the third fixing sleeve pipe is convenient to replace.
(2) The utility model has the advantages that the filter screen mechanism is arranged, the utility model has the function of multi-layer filtration, the condition that the filter is single and harmful gas can not be intensively and effectively removed is avoided, thereby effectively solving the problem that the filter mode of the fume chamber filter is too single and harmful gas can not be thoroughly purified, when in need of work, a user controls the motor through an external power supply, the ventilator is driven to rotate by the motor, under the strong suction force of the ventilator, the bottom end of the second placing groove sucks air into the inner cavity of the second fixed sleeve through the air inlet groove, the air enters the filter screen mechanism through the third fixed sleeve with porous design in the inner cavity of the second fixed sleeve, and through installing the active carbon net layer, the first layer large-area filtration task of the filter screen mechanism can be completed because the material price of the active carbon net layer is cheap, adsorb most harmful gas and sediment, through installation quartz network layer and PTFE stratum reticulare can further filter harmful gas, can effectually detach harmful gas such as foul smell, nitric oxide and carbon monoxide through installation HPEA stratum reticulare, multilayer mechanism's filtration mode for during exhaust air reachs the ventilation blower through communicating pipe, then discharge to the external world through connecting the bayonet socket under the influence of ventilation blower, let harmful gas obtain effectual purification.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the inside of the upper cover plate of the ventilation cabinet of the present invention;
FIG. 3 is a schematic view of the filter mechanism according to the present invention;
Fig. 4 is a schematic view of the sleeve mechanism of the present invention;
Fig. 5 is a schematic view of the filter screen mechanism of the present invention.
in the figure: 1. a filtering mechanism; 2. an upper cover plate of the ventilation cabinet; 3. an electric motor; 4. a ventilator; 5. a connecting bayonet; 6. a communicating pipe; 7. a first fixed sleeve; 8. a first placing groove; 9. an air outlet groove; 10. an air inlet groove; 11. a first card slot; 12. a second placing groove; 13. a threaded hole; 14. a spiral bolt; 15. a clamping block; 16. a protective housing; 17. a threaded post; 18. a second fixed sleeve; 19. an external thread; 20. a filter screen mechanism; 21. a bushing mechanism; 22. a fixed collar; 23. a groove; 24. a connecting rod; 25. a through hole; 26. a third fixed sleeve; 27. an activated carbon mesh layer; 28. a quartz mesh layer; 29. a PTFE net layer; 30. a HPEA mesh layer; 31. a second card slot; 32. and (7) fixing the plate.
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.
As shown in fig. 1-5, the utility model provides a technical solution: a convenient-to-replace fume hood filter comprises a fume hood upper cover plate 2, a ventilator 4, a first placing groove 8 and a second placing groove 12, wherein the first placing groove 8 is arranged at the upper center side end of the fume hood upper cover plate 2, the second placing groove 12 is arranged at one end, deviating from the first placing groove 8, of the upper portion of the fume hood upper cover plate 2, an air inlet groove 10 is arranged at the bottom center position of the second placing groove 12, first clamping grooves 11 are respectively arranged at the center positions of four side ends of the air inlet groove 10, an air outlet groove 9 is arranged at the center position of the front side end of the first placing groove 8, the ventilator 4 is fixedly arranged at the bottom center position of the first placing groove 8, a motor 3 is rotatably arranged at the rear side end of the ventilator 4, a connecting bayonet 5 is fixedly arranged at the upper side end of the ventilator 4, a communicating pipe 6 is fixedly arranged at the upper center position of the connecting bayonet 5, a first fixing sleeve 7 is, the bottom center position of the first fixing sleeve 7 is spirally provided with a filtering mechanism 1, the filtering mechanism 1 comprises a threaded hole 13, a spiral bolt 14, a clamping block 15, a protective shell 16, a threaded column 17, a second fixing sleeve 18, an external thread 19, a filter screen mechanism 20 and a sleeve mechanism 21, the protective shell 16 is fixedly arranged at the lower center position of the filtering mechanism 1, the clamping blocks 15 are fixedly arranged at the center positions of four side ends of the bottom end of the protective shell 16, the spiral bolts 14 are symmetrically and spirally arranged at two side ends of the upper part of the protective shell 16, the threaded hole 13 is arranged at the center position of the upper part of the protective shell 16, the second fixing sleeve 18 is spirally arranged at the center position of an inner cavity of the threaded hole 13 through the threaded column 17, the external thread 19 is arranged at the outer side end of the upper part of the second fixing sleeve 18, the clamping block 15 is clamped at the inner side end of the first clamping groove, the model of the motor 3 is YE2, which belongs to the prior art, the model of the ventilator 4 is CZR-LY60, which belongs to the prior art, the motor 3 is electrically connected with an external power supply, the sleeve mechanism 21 is inserted at the bottom end of the inner cavity of the second fixed sleeve 18, the sleeve mechanism 21 comprises a fixed sleeve 22, a groove 23, a connecting rod 24, a through hole 25 and a third fixed sleeve 26, the third fixed sleeve 26 is fixedly arranged at the central position of the fixed sleeve 22, the fixed sleeve 22 is fixedly sleeved at the outer side end of the upper part of the third fixed sleeve 26, the groove 23 is arranged at the central position of the two side ends of the fixed sleeve 22, the connecting rod 24 is fixedly arranged at the inner side end of the connecting rod 24, the through hole 25 is uniformly opened at the outer side end of the third fixed sleeve 26, a supporting force is provided for the motor 3 and the ventilator 4 by installing the upper cover plate 2 and the first placing groove 8 of, a first fixing sleeve 7 is provided for the filtering mechanism 1, the upper end is fixedly communicated with the communicating pipe 6, the lower end is spirally fixed with a second fixing sleeve 18 through an external thread 19, the filtering mechanism 1 can be buckled and installed at the inner side end of the first clamping groove 11 through the clamping block 15 by installing the first clamping groove 11 and the clamping block 15, the fixed installation of the bottom ends of the filtering mechanism 1 and the second placing groove 12 is enhanced, the fixed work of the bottom ends of the filtering mechanism 1 and the second placing groove 12 is enhanced and fastened by installing the spiral bolt 14, a supporting force is provided for the second fixing sleeve 18 by installing the protective shell 16, the threaded hole 13 and the threaded column 17 are installed, the second fixing sleeve 18 can be more tightly buckled and spirally inserted at the inner side end of the threaded hole 13 through the threaded column 17 due to the matching of the threaded hole 13 and the threaded column 17, through the installation through hole 25, the third fixing sleeve 26 is more light and convenient to ventilate, the porous setting is more favorable for the air to enter, through installing the fixing sleeve 22, because the radius of the fixing sleeve 22 is larger than that of the third fixing sleeve 26, and the radius of the fixing sleeve 22 is smaller than the outer radius of the second fixing sleeve 18, when the third fixing sleeve 26 is inserted into the inner cavity of the second fixing sleeve 18, the fixing sleeve 22 can be clamped at the outer side end of the upper part of the second fixing sleeve 18, through the installation groove 23 and the connecting rod 24, when the sleeve mechanism 21 needs to be replaced, the user only needs to take the connecting rod 24 to take the third fixing sleeve 26 out of the inner cavity of the second fixing sleeve 18, so as to facilitate the replacement of the third fixing sleeve 26, the utility model has the function of replacing the filter conveniently and quickly, and when the ventilation cabinet filter needs to be replaced after long-time use is avoided, the complex replacing mode can delay the replacing efficiency of the filter, thereby effectively solving the problem that the filter of the fume hood is not convenient and fast to replace and install, the filter screen mechanism 20 is inserted in the center of the inner cavity of the sleeve mechanism 21, the filter screen mechanism 20 comprises an active carbon mesh layer 27, a quartz mesh layer 28, a PTFE mesh layer 29, an HPEA mesh layer 30, a second clamping groove 31 and a fixing plate 32, the fixing plate 32 is fixedly arranged at the center of two side ends of the filter screen mechanism 20, the active carbon mesh layer 27 is fixedly arranged at the bottom end of the inner side of an adjacent fixing plate 32, the quartz mesh layer 28 is fixedly arranged at the lower end of the center of the inner side of the adjacent fixing plate 32, the PTFE mesh layer 29 is fixedly arranged at the upper end of the center of the inner side of the adjacent fixing plate 32, the HPEA mesh layer 30 is fixedly arranged at the top end of the inner side of the adjacent fixing, the radius of the fixed lantern ring 22 is larger than that of the third fixed sleeve 26, and the radius of the fixed lantern ring 22 is smaller than the radius of the outer side of the second fixed sleeve 18, when the work is needed, the user controls the motor 3 through an external power supply, the ventilator 4 is driven by the motor 3 to rotate, under the strong suction force of the ventilator 4, the bottom end of the second placing groove 12 sucks air into the inner cavity of the second fixed sleeve 18 through the air inlet groove 10, the air enters the filter screen mechanism 20 through the third fixed sleeve 26 with a porous design in the inner cavity of the second fixed sleeve 18, through installing the activated carbon mesh layer 27, because the material price of the activated carbon mesh layer 27 is cheap, the first layer large-area filtering task of the filter screen mechanism 20 can be completed, most harmful gas and slag can be adsorbed, and harmful gas can be further filtered through installing the quartz mesh layer 28 and the PTFE mesh layer 29, can effectually detach harmful gas such as foul smell, nitric oxide and carbon monoxide through installation HPEA stratum reticulare 30, multilayer mechanism's filtration mode for exhaust air is in 6 reachs ventilation blower 4 through communicating pipe, then discharges to the external world through connecting bayonet 5 under ventilation blower 4's influence, lets harmful gas obtain effectual purification, makes the utility model discloses have multilayer filtering's function, avoided the single filterable mode of filter, can't concentrate, the effectual condition of cleaing away harmful gas, thereby effectually solved fume chamber filter filtration mode too in single, can't thoroughly purify harmful gas's problem.
when in use, the utility model gives a supporting force to the motor 3 and the ventilator 4 by installing the upper cover plate 2 and the first placing groove 8 of the ventilator, gives the filter mechanism 1 a first fixed sleeve 7 by installing the second placing groove 12, the upper end is fixedly communicated with the communicating pipe 6, the lower end is spirally fixed with the second fixed sleeve 18 by the external thread 19, the filter mechanism 1 can be buckled and installed at the inner side end of the first clamping groove 11 by installing the first clamping groove 11 and the clamping block 15 by the first clamping groove 11 and the clamping block 15 due to the matching of the first clamping groove 11 and the clamping block 15, the fixed installation of the bottom ends of the filter mechanism 1 and the second placing groove 12 is strengthened and fastened by installing the spiral bolt 14, the supporting force is given to the second fixed sleeve 18 by installing the protective shell 16, the threaded hole 13 and the threaded column 17 are installed, because the threaded hole 13 is matched with the threaded column 17, the second fixing sleeve 18 can be inserted into the inner side end of the threaded hole 13 through a screw which is fastened by the threaded column 17, the third fixing sleeve 26 is more light and convenient to ventilate through the mounting through hole 25, the air can be more favorably arranged in a porous mode, the fixing sleeve 22 is mounted on the fixing sleeve ring 22, the radius of the fixing sleeve ring 22 is larger than that of the third fixing sleeve 26, the radius of the fixing sleeve ring 22 is smaller than that of the outer side of the second fixing sleeve 18, when the third fixing sleeve 26 is inserted into the inner cavity of the second fixing sleeve 18, the fixing sleeve ring 22 can be clamped at the outer side end of the upper portion of the second fixing sleeve 18, and through the mounting groove 23 and the connecting rod 24, when the sleeve mechanism 21 needs to be replaced, a user can take out the third fixing sleeve 26 from the inner cavity of the second fixing sleeve 18 only by taking out the connecting, the replacement of the third fixing sleeve 26 is convenient, when the device needs to work, a user controls the motor 3 through an external power supply, the ventilator 4 is driven to rotate by the motor 3, under the strong suction force of the ventilator 4, the bottom end of the second placing groove 12 sucks air into the inner cavity of the second fixing sleeve 18 through the air inlet groove 10, the air enters the filter screen mechanism 20 through the third fixing sleeve 26 with a porous design in the inner cavity of the second fixing sleeve 18, the first layer large-area filtering task of the filter screen mechanism 20 can be completed through installing the activated carbon mesh layer 27 due to the low material price of the activated carbon mesh layer 27, most harmful gases and slag can be adsorbed, the harmful gases can be further filtered through installing the quartz mesh layer 28 and the PTFE mesh layer 29, and the harmful gases such as odor, nitric oxide, carbon monoxide and the like can be effectively removed through installing the HPEA mesh layer 30, through installation fixed plate 32, can strengthen and fasten the fixed and erection joint of each stratum reticulare, through mounting groove 23, the filter screen mechanism 20 of being convenient for is more convenient and the grafting of fastening at the inner chamber of sleeve pipe mechanism 21, and multilayer mechanism's filtration mode for during exhaust air reachs ventilation blower 4 through communicating pipe 6, then discharges to the external world through connecting bayonet 5 under ventilation blower 4's influence, lets harmful gas obtain effectual purification.
To sum up can, the utility model discloses a set up screw thread post 17, external screw thread 19, filter screen mechanism 20 and sleeve pipe mechanism 21, solved fume chamber filter and changed the installation convenient and fast inadequately and filter filtration mode too in single, unable thoroughly purify harmful gas's problem.
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. the utility model provides a fume chamber filter convenient to change, includes fume chamber upper cover plate (2), ventilation blower (4), first standing groove (8) and second standing groove (12), its characterized in that: the ventilator is characterized in that the first placing groove (8) is arranged at the upper central side end of the upper cover plate (2) of the ventilator, the second placing groove (12) is arranged at one end, deviating from the first placing groove (8), of the upper portion of the upper cover plate (2) of the ventilator, the bottom central position of the second placing groove (12) is provided with an air inlet groove (10), the central positions of four side ends of the air inlet groove (10) are provided with first clamping grooves (11), the central position of the front side end of the first placing groove (8) is provided with an air outlet groove (9), the ventilator (4) is fixedly arranged at the bottom central position of the first placing groove (8), the rear side end of the ventilator (4) is rotatably provided with a motor (3), the upper side end of the ventilator (4) is fixedly provided with a connecting bayonet (5), and the upper central position of the connecting bayonet (5) is fixedly provided with a communicating pipe, one end of the communicating pipe (6) deviating from the connecting bayonet (5) is fixedly provided with a first fixed sleeve (7), and the bottom center of the first fixed sleeve (7) is spirally provided with a filtering mechanism (1).
2. A fume hood filter for easy replacement according to claim 1 wherein: the filter mechanism (1) comprises a threaded hole (13), a spiral bolt (14), a clamping block (15), a protective shell (16), a threaded column (17), a second fixing sleeve (18), an external thread (19), a filter screen mechanism (20) and a sleeve mechanism (21), wherein the protective shell (16) is fixedly arranged at the lower end central position of the filter mechanism (1), the clamping block (15) is fixedly arranged at the four side end central positions of the bottom end of the protective shell (16), the spiral bolt (14) is symmetrically and spirally arranged at the two side ends of the upper part of the protective shell (16), the threaded hole (13) is arranged at the upper part central position of the protective shell (16), the second fixing sleeve (18) is spirally arranged at the inner cavity central position of the threaded hole (13) through the threaded column (17), the external thread (19) is arranged at the outer side end of the upper part of the second fixing sleeve (18), the sleeve mechanism (21) is inserted at the bottom end of the inner cavity of the second fixed sleeve (18), and the filter screen mechanism (20) is inserted at the center of the inner cavity of the sleeve mechanism (21).
3. A fume hood filter for easy replacement according to claim 2 wherein: the sleeve pipe mechanism (21) comprises a fixed sleeve ring (22), a groove (23), a connecting rod (24), a through hole (25) and a third fixed sleeve pipe (26), the third fixed sleeve pipe (26) is fixedly installed at the central position of the fixed sleeve ring (22), the fixed sleeve ring (22) is fixedly connected to the outer side end of the upper portion of the third fixed sleeve pipe (26), the groove (23) is arranged at the central position of the two side ends of the fixed sleeve ring (22), the connecting rod (24) is fixedly installed at the inner side end of the connecting rod (24), and the through hole (25) is uniformly opened at the outer side end of the third fixed sleeve pipe (26).
4. A fume hood filter for easy replacement according to claim 2 wherein: the filter screen mechanism (20) comprises an active carbon mesh layer (27), a quartz mesh layer (28), a PTFE mesh layer (29), an HPEA mesh layer (30), a second clamping groove (31) and a fixing plate (32), wherein the fixing plate (32) is fixedly arranged at the center of the two side ends of the filter screen mechanism (20), the active carbon mesh layer (27) is fixedly arranged at the bottom end of the inner side of the adjacent fixing plate (32), the quartz mesh layer (28) is fixedly arranged at the lower end of the inner side center of the adjacent fixing plate (32), the PTFE mesh layer (29) is fixedly arranged at the upper end of the inner side center of the adjacent fixing plate (32), the HPEA mesh layer (30) is fixedly arranged at the top end of the inner side of the adjacent fixing plate (32), and the second clamping groove (31) is arranged at the.
5. A fume hood filter for easy replacement according to claim 1 or claim 2 and further comprising: the clamping block (15) is clamped at the inner side end of the first clamping groove (11), the filtering mechanism (1) is spirally inserted in the center of the bottom end of the first fixing sleeve (7) through an external thread (19), the model of the motor (3) is YE2, the model of the ventilator (4) is CZR-LY60, and the motor (3) is electrically connected with an external power supply.
6. A fume hood filter for easy replacement according to claim 3 wherein: the radius of the inner cavity of the second fixing sleeve (18) is matched with that of the third fixing sleeve (26), the radius of the fixing lantern ring (22) is larger than that of the third fixing sleeve (26), and the radius of the fixing lantern ring (22) is smaller than the outer side radius of the second fixing sleeve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822034552.0U CN209735255U (en) | 2019-09-10 | 2019-09-10 | Fume chamber filter convenient to change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822034552.0U CN209735255U (en) | 2019-09-10 | 2019-09-10 | Fume chamber filter convenient to change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209735255U true CN209735255U (en) | 2019-12-06 |
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ID=68702599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822034552.0U Active CN209735255U (en) | 2019-09-10 | 2019-09-10 | Fume chamber filter convenient to change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209735255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279349A (en) * | 2020-10-29 | 2021-01-29 | 南京公诚节能新材料研究院有限公司 | Industrial water-based recycling device and method |
-
2019
- 2019-09-10 CN CN201822034552.0U patent/CN209735255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279349A (en) * | 2020-10-29 | 2021-01-29 | 南京公诚节能新材料研究院有限公司 | Industrial water-based recycling device and method |
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