CN205137585U - Side suction type range hood - Google Patents
Side suction type range hood Download PDFInfo
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- CN205137585U CN205137585U CN201520780685.6U CN201520780685U CN205137585U CN 205137585 U CN205137585 U CN 205137585U CN 201520780685 U CN201520780685 U CN 201520780685U CN 205137585 U CN205137585 U CN 205137585U
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- absorption type
- smoke
- exhaust ventilator
- smoke exhaust
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Abstract
This technical scheme provides new improvement to side suction type range hood. The side suction type range hood that this technical scheme provided, including can still being included drive arrangement and two smoke deflector (1) by confined air intake (2), drive arrangement includes one motor (24) and two push -and -pull rod (22), two smoke deflector (1) are used for sealing air intake (2), motor (24) are used for driving two push -and -pull rod (22) rectilinear movement and then drive in opposite directions simultaneously two smoke deflector (1) goes on sliding in opposite directions until sealing air intake (2), motor (24) still are used for driving two push -and -pull rod (22) are with time phase back of the body rectilinear movement and then drive two smoke deflector (1) thus carry out mutually the back of the body and slide and form between these two smoke deflector (1) air intake (2). This technical scheme provides one kind to have new air intake (2) and opens and the side suction type range hood of closed mode.
Description
[technical field]
The technical program relates to side-absorption type smoke exhaust ventilator field.
[background technology]
At present, the side-absorption type smoke exhaust ventilator of the air inlet that existing setting can be closed occurs, air inlet its air inlet when opening of this kind of side-absorption type smoke exhaust ventilator is crossed and then flows in this kind of side-absorption type smoke exhaust ventilator for oil smoke flow, and its air inlet this kind of side-absorption type smoke exhaust ventilator in time being closed state is in off working state.In fact, the side-absorption type smoke exhaust ventilator of the air inlet that existing setting can be closed, unlatching and the closed mode of its air inlet are comparatively single, lack and improve.
Unless there are the evidence support of abundance, otherwise prior art described here not meaning that admit these prior aries before the applying date of the application involved by the technical program the those of ordinary skill in field known.
[summary of the invention]
The main purpose of the technical program is, for side-absorption type smoke exhaust ventilator, proposes new improvement.
The side-absorption type smoke exhaust ventilator that the technical program proposes, comprise the air inlet that can be closed, also comprise drive unit and two smoke deflectors, described drive unit comprises a motor and two pull bars, described two pull bars and two smoke deflector one_to_one corresponding, described pull bar is connected to corresponding smoke deflector, and described two smoke deflectors are used for closing described air inlet; Described two smoke deflectors, being set to described air inlet can simultaneously opposing slip thus form described air inlet between these two smoke deflectors in time being closed state; Described two smoke deflectors, be also set to described air inlet in opening time can simultaneously slide in opposition until close described air inlet; Described motor, moves linearly for driving described two pull bars in opposite directions and then drives described two smoke deflectors to carry out described slide in opposition simultaneously; Described motor, also for driving the opposing rectilinear movement simultaneously of described two pull bars and then driving described two smoke deflectors to carry out described opposing slip.The technical program proposes a kind of side-absorption type smoke exhaust ventilator having new air inlet and open and close mode.
Optionally, described drive unit also comprises a worm screw, a worm gear, two screw mandrels, two transmission nuts and two stop parts, described two transmission nuts and two pull bar one_to_one corresponding, described transmission nut and corresponding pull bar link together, described motor rotates for driving described worm screw, described worm and wheel is meshed, described two screw mandrels are connected to the both sides of described worm gear, described two screw mandrels and two transmission nut one_to_one corresponding, described screw mandrel and corresponding transmission nut are together by a threaded connection, described two transmission nuts and two stop part one_to_one corresponding, described stop part rotates for stoping corresponding transmission nut, described worm gear rotates for driving described two screw mandrels simultaneously, then drives corresponding transmission nut to move linearly when described screw mandrel rotates.
Optionally, described drive unit also comprises a gear and two tooth bars, described motor is for driving described pinion rotation, described gear folds up between described two tooth bars, described two tooth bars are all meshed with described gear, described two tooth bars and two pull bar one_to_one corresponding, described tooth bar and corresponding pull bar link together; During described pinion rotation, described two tooth bars move linearly in the opposite direction.
Optionally, described drive unit also comprises two guiders, and two guiders and two tooth bar one_to_one corresponding, described tooth bar folds up between described gear and corresponding guider.The setting of guider, contributes to the driving effect promoting described drive unit.
Optionally, described guider comprises for holding the channel placing described tooth bar, and the bottom of described channel is provided with rolling element.The setting of rolling element, contributes to reducing resistance suffered when described tooth bar moves.
Optionally, described motor adopts linear motor.
Optionally, the junction of described pull bar and corresponding smoke deflector is provided with buffer unit.Described buffer unit, for when described smoke deflector has reached the limit of position, it has made described pull bar can movement further by there is recoverable elastic deformation.
Optionally, described buffer unit comprises spring.
Optionally, filter and housing component is also comprised; Described smoke deflector is fixed on described filter or housing component slidably.That is, described smoke deflector is fixed on described filter or housing component, and can slide relative to it.
Optionally, also slide rail was comprised; Described smoke deflector is connected to described filter or housing component by described slide rail.That is, realized described " smoke deflector is fixed on described filter or housing component slidably " by described slide rail.
Optionally, the outer surface of described two smoke deflectors is in same plane.
Optionally, described drive unit is hidden and is arranged.
Here needing to be explained, the expression of directionality such as " belows ", " inclination " that occur in the technical program, if be not particularly illustrated, is then the usual using state based on described side-absorption type smoke exhaust ventilator.
The all possible embodiment of technique scheme content not for describing the technical program of the technical program.In whole application, many places provide guidance by enumerating example, and these examples may be used for various feasible combination.
[accompanying drawing explanation]
The following drawings only schematically illustrates the technical program and explains, does not limit the scope of the technical program, wherein:
Fig. 1 is the structural representation of air inlet in time being closed state of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Fig. 2 is the structural representation of air inlet when opening of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Fig. 3 is air inlet another structural representation when opening of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Fig. 4 is the structural representation of the slide rail of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Fig. 5 is the partial structurtes schematic diagram of air inlet in time being closed state of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Fig. 6 is the partial structurtes schematic diagram of air inlet when opening of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Fig. 7 is the structural representation of the drive unit of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Fig. 8 is another structural representation of the drive unit of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Fig. 9 is a structural representation again of the drive unit of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Figure 10 is the sectional view of the drive unit of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Figure 11 is the explosive view of the drive unit of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Figure 12 is the partial structurtes schematic diagram of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Figure 13 is another partial structurtes schematic diagram of the technical program side-absorption type smoke exhaust ventilator embodiment 1;
Figure 14 is the partial structurtes schematic diagram of the technical program side-absorption type smoke exhaust ventilator embodiment 2;
Figure 15 is another partial structurtes schematic diagram of the technical program side-absorption type smoke exhaust ventilator embodiment 2;
Figure 16 is the motor of the technical program side-absorption type smoke exhaust ventilator embodiment 2 and the structural representation of gear;
Figure 17 is the pull bar of the technical program side-absorption type smoke exhaust ventilator embodiment 2 and the structural representation of tooth bar;
Figure 18 is the structural representation of the guider of the technical program side-absorption type smoke exhaust ventilator embodiment 2.
Reference numeral:
1-smoke deflector, 2-air inlet, 3-housing component, 4-oil collector sump tank, 5-filter, 6-slide rail, 7-opening portion, 8-worm screw, 9-worm gear, 10-screw mandrel, 11-transmission nut, 12-stop part, 13-support, 14-shell, 15-power line, 16-gear, 17-tooth bar, 18-guider, 19-rolling element, 20-connector, 21-connecting rod, 22-pull bar, 23-lug boss, 24-motor, 25-spring.
[detailed description of the invention]
For making the object of the technical program, scheme and beneficial effect clearly understand, below in conjunction with accompanying drawing and preferred embodiment, the technical program is described further.Individual drawing figure may be accurate not, in such cases, is please as the criterion with text description.
Embodiment 1
A kind of side-absorption type smoke exhaust ventilator that the technical program proposes, comprises air inlet 2, drive unit, housing component 3, blower fan, oil collector sump tank 4, filter 5, four slide rails 6 and two smoke deflectors 1 that can be closed, as shown in Figures 1 to 3.Slide rail 6 as shown in Figure 4.Filter 5 and two smoke deflectors 1 are all obliquely installed.Two smoke deflectors 1 relative to a symmetry axis axisymmetricly.Two smoke deflectors 1 are for closed air inlet 2.Each smoke deflector 1 is all connected to filter 5 by two slide rails 6.Filter 5 is connected to housing component 3.Blower fan is arranged in housing component 3.Oil collector sump tank 4 is arranged at the below of filter 5, for collecting the grease that filter 5 filters out.The outer surface of two smoke deflectors 1 is in same plane.Drive unit is fixed on filter 5, and hides the inner side being arranged at filter 5.Two smoke deflectors 1 are positioned at the outside of filter 5, and between smoke deflector 1 and drive unit, interval is with filter 5.Each smoke deflector 1 is provided with a connector 20.Filter 5 is provided with two opening portions 7, these two opening portions 7 and two connector 20 one_to_one corresponding, this opening portion 7 is for passing for corresponding connector 20 and within it move.
Drive unit comprises shell 14, power line 15, two supports 13, motor 24, worm screw 8, worm gear 9, two screw mandrels 10, two transmission nuts 11, two stop parts 12 and two pull bars 22, as shown in Fig. 7 to 12.Powered to motor 24 by power line 15.Worm screw 8 is meshed with worm gear 9.Support 13, for drive unit being fixed on the inner side of filter 5, as illustrated in Figures 5 and 6.Two pull bars 22 and two smoke deflector 1 one_to_one corresponding, pull bar 22 is connected to the connector 20 of corresponding smoke deflector 1, as shown in Fig. 5,6 and 13.Two transmission nuts 11 and two pull bar 22 one_to_one corresponding, transmission nut 11 and corresponding pull bar 22 link together.Two screw mandrels 10 and two transmission nut 11 one_to_one corresponding, screw mandrel 10 and corresponding transmission nut 11 are together by a threaded connection, particularly, screw mandrel 10 is provided with external screw thread, and this transmission nut 11 corresponding to screw mandrel 10 is provided with the internal thread matched with the external screw thread of this screw mandrel 10.Two transmission nuts 11 and two stop part 12 one_to_one corresponding, stop part 12 rotates for stoping corresponding transmission nut 11, and particularly, each transmission nut 11 is provided with a lug boss 23, and this lug boss 23 is butted on corresponding stop part 12.Two stop parts 12 are all arranged in shell 14, and are structure as a whole with shell 14.Two screw mandrels 10 are connected to the both sides of worm gear 9, and two screw mandrels 10 extend along the axle center of worm gear 9 respectively.Worm gear 9 rotates around its axle center.
When air inlet 2 is in and is closed state, two smoke deflectors 1 are abutted together, as shown in Figure 1.Two smoke deflectors 1, be set to air inlet 2 to be in when being closed state can under the effect of drive unit opposing slip simultaneously thus between these two smoke deflectors 1 gap-forming air inlet 2.Particularly, when air inlet 2 is in and is closed state, if motor 24 rotates forward, then motor 24 drives worm screw 8 to rotate, worm screw 8 drives worm gear 9 to rotate, 9, worm gear drives two screw mandrels 10 to rotate simultaneously, corresponding transmission nut 11 is then driven to move linearly on the direction away from worm gear 9 when screw mandrel 10 rotates, pull bar 22 corresponding to transmission nut 11 drives moves linearly on the direction away from worm gear 9, connector 20 corresponding to pull bar 22 drives moves linearly in opening portion 7 on the direction away from worm gear 9, smoke deflector 1 corresponding to connector 20 drives is at the square upward sliding away from worm gear 9, i.e. two smoke deflector 1 opposing slips simultaneously.When two opposing slips of smoke deflector 1 arrive extreme position, as shown in Figures 2 and 3, can there is stall in motor 24, and drive unit detects that stall then closes motor 24, at this moment gap-forming air inlet 2 between two smoke deflectors 1, at this moment air inlet 2 is in opening.If at this moment blower fan running, then oil smoke flows to blower fan after flowing through air inlet 2, filter 5 successively.When oil smoke flows through filter 5, filter 5 filters out the grease in oil smoke, and the grease filtered out then can flow into oil collector sump tank 4.
When air inlet 2 is in opening, gap-forming air inlet 2 between two smoke deflectors 1, as shown in Figure 2.Two smoke deflectors 1, to be also set to when air inlet 2 is in opening can simultaneously slide in opposition until close air inlet 2.Particularly, when air inlet 2 is in opening, if motor 24 reverses, then motor 24 drives worm screw 8 to rotate, worm screw 8 drives worm gear 9 to rotate, 9, worm gear drives two screw mandrels 10 to rotate simultaneously, corresponding transmission nut 11 is then driven to move linearly on the direction towards worm gear 9 when screw mandrel 10 rotates, pull bar 22 corresponding to transmission nut 11 drives moves linearly on the direction towards worm gear 9, connector 20 corresponding to pull bar 22 drives moves linearly in opening portion 7 on the direction towards worm gear 9, smoke deflector 1 corresponding to connector 20 drives is at the square upward sliding towards worm gear 9, i.e. two smoke deflectors 1 slide in opposition simultaneously.When two smoke deflector 1 slide in opposition reach the limit of position, as shown in Figure 1, two smoke deflectors 1 are abutted together, air inlet 2 is completely enclosed, can there is stall in motor 24, drive unit detects that stall then closes motor 24, and at this moment air inlet 2 is in the state of being closed.
Rotation direction when rotation direction when motor 24 rotates forward is reversed with motor 24 is contrary." rotating forward ", " reversion " are then the artificial definition under the prerequisite stating function in realization.
Pull bar 22 is provided with buffer unit with the junction of corresponding smoke deflector 1, and this buffer unit is spring 25, as shown in figure 13.Particularly, the end of pull bar 22 is provided with connecting rod 21, the end of connecting rod 21 is provided with external screw thread, connector 20 is provided with the installing hole passed for connecting rod 21, connecting rod 21 installs a nut through after installing hole at the end of connecting rod 21, spring 25 to be set on connecting rod 21 and to be limited between the two ends of connecting rod 21, and between the two ends of installing hole and connecting rod 21 all between be separated with this spring 25.
Below be only the preferred embodiment of the technical program, some technical characteristic increased, deletes, revises or replaced the embodiment that can also obtain other.As, also can be that motor adopts linear motor, drives pull bar to move linearly by the mover of this linear motor.For another example, also can be arrange a fixed intermediate plate between two smoke deflectors, this intermediate plate be also for leading cigarette.Air inlet is in time being closed state, and two smoke deflectors are abutted together with this intermediate plate respectively.Air inlet is when opening, and the air inlet formed between two smoke deflectors is two, respectively by two smoke deflectors and intermediate plate gap-forming.For another example, also can be, when two smoke deflectors reach the limit of position, close motor by limit switch.For another example, also can be, buffer unit comprises air spring.For another example, also can be that controlled the opening degree of air inlet by the movement controlling smoke deflector, particularly, can be automatic control, such as, automatically control the opening degree of air inlet according to oil smoke concentration, also can be the opening degree of Artificial Control air inlet.
Embodiment 2
The technical program also proposes another kind of side-absorption type smoke exhaust ventilator embodiment 2, and this side-absorption type smoke exhaust ventilator embodiment 2 is improved further and obtained on the basis of above-mentioned side-absorption type smoke exhaust ventilator embodiment 1.This side-absorption type smoke exhaust ventilator embodiment 2 is as follows with the main distinction of above-mentioned side-absorption type smoke exhaust ventilator embodiment 1.
The drive unit of this side-absorption type smoke exhaust ventilator embodiment 2 also comprises a motor 24, two pull bars 22, two guiders 18, gear 16 and two tooth bars 17, as shown in FIG. 14 and 15.Motor 24 rotates for driven gear 16, as shown in figure 16.Gear 16 folds up between two tooth bars 17, and two tooth bars 17 are all meshed with this gear 16.Two tooth bars 17 and two pull bar 22 one_to_one corresponding, tooth bar 17 and corresponding pull bar 22 link together, and particularly, tooth bar 17 and corresponding pull bar 22 adopt integrated formed structure, as shown in figure 17, and tooth bar 17 is consistent with the bearing of trend of corresponding pull bar 22.Two tooth bars 17 are roughly parallel to each other.Two pull bars 22 are also roughly parallel to each other.When gear 16 rotates, two tooth bars 17 move linearly in the opposite direction.
Two guiders 18 and two tooth bar 17 one_to_one corresponding, tooth bar 17 folds up between gear 16 and corresponding guider 18, as shown in FIG. 14 and 15.Guider 18 comprises for holding the channel that the cross section of placing tooth bar 17 is " U " shape, and the bottom of this channel is provided with rolling element 19, as shown in figure 18.
When air inlet 2 is in and is closed state, if motor 24 rotates forward, then motor 24 driven gear 16 rotates, gear 16 drives two tooth bars 17 to move linearly respectively, pull bar 22 corresponding to tooth bar 17 drives moves linearly on the direction away from motor 24, connector 20 corresponding to pull bar 22 drives moves linearly in opening portion 7 on the direction away from motor 24, smoke deflector 1 corresponding to connector 20 drives is at the square upward sliding away from motor 24, i.e. two smoke deflector 1 opposing slips simultaneously, when two opposing slips of smoke deflector 1 arrive extreme position, can stall be there is in motor 24, drive unit detects that stall then closes motor 24, at this moment gap-forming air inlet 2 between two smoke deflectors 1, at this moment air inlet 2 is in opening.
When air inlet 2 is in opening, if motor 24 reverses, then motor 24 driven gear 16 rotates, gear 16 drives two tooth bars 17 to move linearly respectively, pull bar 22 corresponding to tooth bar 17 drives moves linearly on the direction towards motor 24, connector 20 corresponding to pull bar 22 drives moves linearly in opening portion 7 on the direction towards motor 24, smoke deflector 1 corresponding to connector 20 drives is at the square upward sliding towards motor 24, i.e. two smoke deflectors 1 slide in opposition simultaneously, when two smoke deflector 1 slide in opposition reach the limit of position, air inlet 2 is completely enclosed, can stall be there is in motor 24, drive unit detects that stall then closes motor 24, at this moment air inlet 2 is in the state of being closed.
Rotation direction when rotation direction when motor 24 rotates forward is reversed with motor 24 is contrary." rotating forward ", " reversion " are then the artificial definition under the prerequisite stating function in realization.
About other structures and the matching relationship of this side-absorption type smoke exhaust ventilator embodiment 2, refer to the corresponding description of side-absorption type smoke exhaust ventilator embodiment 1.
Need annotated, the technical program should not be understood to be only limitted to embodiment described above, but should be understood to cover all possible performance that the technical program claim determines in conjunction with description disclosure.Therefore, every content not departing from the technical program, any simple modification done above embodiment according to the technical spirit of the technical program, equivalent variations and modification, all belong to the protection domain of the technical program.
Claims (12)
1. a side-absorption type smoke exhaust ventilator, comprises the air inlet (2) that can be closed, it is characterized in that:
Also comprise drive unit and two smoke deflectors (1), described drive unit comprises a motor (24) and two pull bars (22), described two pull bars (22) and two smoke deflector (1) one_to_one corresponding, described pull bar (22) is connected to corresponding smoke deflector (1), and described two smoke deflectors (1) are for closing described air inlet (2);
Described two smoke deflectors (1), being set to that described air inlet (2) is in when being closed state can opposing slip simultaneously thus form described air inlet (2) between these two smoke deflectors (1);
Described two smoke deflectors (1), to be also set to when described air inlet (2) is in opening can simultaneously slide in opposition until close described air inlet (2);
Described motor (24), moves linearly for driving described two pull bars (22) in opposite directions and then pulls described two smoke deflectors (1) to carry out described slide in opposition simultaneously;
Described motor (24), also carries out described opposing slip for driving the opposing rectilinear movement simultaneously of described two pull bars (22) and then promoting described two smoke deflectors (1).
2. side-absorption type smoke exhaust ventilator according to claim 1, is characterized in that:
Described drive unit also comprises a worm screw (8), a worm gear (9), two screw mandrels (10), two transmission nuts (11) and two stop parts (12), described two transmission nuts (11) and two pull bar (22) one_to_one corresponding, described transmission nut (11) and corresponding pull bar (22) link together, described motor (24) rotates for driving described worm screw (8), described worm screw (8) is meshed with worm gear (9), described two screw mandrels (10) are connected to the both sides of described worm gear (9), described two screw mandrels (10) and two transmission nut (11) one_to_one corresponding, described screw mandrel (10) and corresponding transmission nut (11) are together by a threaded connection, described two transmission nuts (11) and two stop part (12) one_to_one corresponding, described stop part (12) rotates for stoping corresponding transmission nut (11),
Described worm gear (9) rotates for driving described two screw mandrels (10) simultaneously, then drives corresponding transmission nut (11) to move linearly when described screw mandrel (10) rotates.
3. side-absorption type smoke exhaust ventilator according to claim 1, is characterized in that:
Described drive unit also comprises a gear (16) and two tooth bars (17), described motor (24) rotates for driving described gear (16), described gear (16) folds up between described two tooth bars (17), described two tooth bars (17) are all meshed with described gear (16), described two tooth bars (17) and two pull bar (22) one_to_one corresponding, described tooth bar (17) and corresponding pull bar (22) link together;
When described gear (16) rotates, described two tooth bars (17) move linearly in the opposite direction.
4. side-absorption type smoke exhaust ventilator according to claim 3, is characterized in that:
Described drive unit also comprises two guiders (18), two guiders (18) and two tooth bar (17) one_to_one corresponding, described tooth bar (17) folds up between described gear (16) and corresponding guider (18).
5. side-absorption type smoke exhaust ventilator according to claim 4, is characterized in that:
Described guider (18) comprises for holding the channel placing described tooth bar (17), and the bottom of described channel is provided with rolling element (19).
6. side-absorption type smoke exhaust ventilator according to claim 1, is characterized in that:
Described motor (24) adopts linear motor.
7. side-absorption type smoke exhaust ventilator according to claim 1, is characterized in that:
Described pull bar (22) is provided with buffer unit with the junction of corresponding smoke deflector (1).
8. side-absorption type smoke exhaust ventilator according to claim 7, is characterized in that:
Described buffer unit comprises spring (25).
9. side-absorption type smoke exhaust ventilator according to claim 1, is characterized in that:
Also comprise filter (5) and housing component (3);
Described smoke deflector (1) is fixed on described filter (5) or housing component (3) slidably.
10. side-absorption type smoke exhaust ventilator according to claim 9, is characterized in that:
Also comprised slide rail (6);
Described smoke deflector (1) is connected to described filter (5) or housing component (3) by described slide rail (6).
11. side-absorption type smoke exhaust ventilators according to claim 1, is characterized in that:
The outer surface of described two smoke deflectors (1) is in same plane.
12. side-absorption type smoke exhaust ventilators according to claim 1, is characterized in that:
Described drive unit is hidden and is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520780685.6U CN205137585U (en) | 2015-10-09 | 2015-10-09 | Side suction type range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520780685.6U CN205137585U (en) | 2015-10-09 | 2015-10-09 | Side suction type range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205137585U true CN205137585U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520780685.6U Active CN205137585U (en) | 2015-10-09 | 2015-10-09 | Side suction type range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205137585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990377A (en) * | 2016-10-26 | 2018-05-04 | 博西华电器（江苏）有限公司 | Side-absorption type smoke exhaust ventilator |
-
2015
- 2015-10-09 CN CN201520780685.6U patent/CN205137585U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990377A (en) * | 2016-10-26 | 2018-05-04 | 博西华电器（江苏）有限公司 | Side-absorption type smoke exhaust ventilator |
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