CN110578945A - Transmission mechanism capable of realizing linkage of lifting and overturning and range hood - Google Patents
Transmission mechanism capable of realizing linkage of lifting and overturning and range hood Download PDFInfo
- Publication number
- CN110578945A CN110578945A CN201910791952.2A CN201910791952A CN110578945A CN 110578945 A CN110578945 A CN 110578945A CN 201910791952 A CN201910791952 A CN 201910791952A CN 110578945 A CN110578945 A CN 110578945A
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- gear
- rack
- gear set
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 230000033001 locomotion Effects 0.000 claims abstract description 35
- 239000000779 smoke Substances 0.000 claims description 51
- 230000007306 turnover Effects 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000391 smoking effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
- F16H19/043—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack for converting reciprocating movement in a continuous rotary movement or vice versa, e.g. by opposite racks engaging intermittently for a part of the stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2078—Removing cooking fumes movable
- F24C15/2085—Removing cooking fumes movable adjustable in height
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Flow Control Members (AREA)
Abstract
the invention discloses a transmission mechanism capable of realizing lifting and overturning linkage, which comprises a rack, wherein a rack, a gear transmission assembly and a turning plate support are arranged on the rack, the rack is movably arranged on the rack and is meshed with the input end of the gear transmission assembly, and the turning plate support is pivoted on the rack and is fixedly connected with the output end of the gear transmission assembly; the rack can drive the gear transmission component to rotate so as to drive the turning plate support to turn, or the gear transmission component drives the turning plate support to turn and simultaneously drives the rack to do lifting motion. The transmission mechanism has simple and compact structure and small occupied space, can effectively realize linkage of the lifting motion of the rack and the overturning motion of the turning plate support, and is favorable for improving the motion consistency of the double movable parts.
Description
Technical Field
The invention relates to the technical field of smoking machines, in particular to a transmission mechanism capable of realizing linkage of lifting and overturning and a smoking machine.
Background
At present, various range hoods with movable parts are invented in order to improve the smoke gathering capability and improve the smoking effect of the range hood. When the range hood works, the oil smoke is gathered or the extension of the negative pressure area is realized through the lifting motion of the oil screen or the opening and closing motion of the turning plate. When the single moving part can not realize all functions, the range hood with a plurality of moving parts is extended, for example, the scheme that the utility model patent ZL 201621063063.2' a range hood capable of automatically lifting simultaneously has a lifting oil net and a movable upper air inlet is disclosed.
The linkage of the motion mechanism is a development trend of double motion parts or multiple motion parts, and compared with a scheme of respectively driving multiple motors, the linkage of the motion mechanism has the advantages of high motion consistency, compact structural arrangement and lower cost, but the problem to be solved is that one motion part descends in a limited space and the other motion part turns downwards.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior related art to a certain extent, and therefore the invention provides a transmission mechanism capable of realizing linkage of lifting and overturning, which has a simple and compact structure and can realize linkage of lifting motion of one movable part and overturning motion of the other movable part.
The invention also provides a range hood applying the lifting and overturning linkage transmission mechanism.
According to the transmission mechanism capable of realizing lifting and overturning linkage provided by the above, the transmission mechanism is realized by the following technical scheme:
A transmission mechanism capable of realizing lifting and overturning linkage comprises a rack, wherein a rack, a gear transmission assembly and a turning plate support are arranged on the rack, the rack is movably arranged on the rack and is meshed with the input end of the gear transmission assembly, and the turning plate support is pivoted on the rack and is fixedly connected with the output end of the gear transmission assembly; the rack can drive the gear transmission component to rotate so as to drive the turning plate support to turn, or the gear transmission component drives the turning plate support to turn and simultaneously drives the rack to do lifting motion.
in some embodiments, the gear transmission assembly comprises a primary gear set and a secondary gear set, the rack is meshed with the input end of the primary gear set, the output end of the primary gear set is meshed with the input end of the secondary gear set, and the output end of the secondary gear set is fixedly connected with the flap support so that the flap support can rotate reversely relative to the primary gear set; the rack can drive the primary gear set to rotate when moving downwards, and the rotation of the primary gear set can drive the secondary gear set to rotate so as to drive the turning plate support to be turned downwards.
In some embodiments, the frame comprises a bottom plate and a cover plate which are detachably connected together, the cover plate is provided with an opening and a right slot, and the bottom plate is provided with a left slot corresponding to the right slot; the first-stage gear set comprises a first-stage large gear and a first-stage small gear, the first-stage large gear is connected with the second-stage gear set, the first-stage small gear is used for transmitting power to the second-stage gear set, the first-stage large gear is arranged on the outer side of the cover plate, the input end of the first-stage large gear is meshed with the rack, the first-stage small gear is fixedly connected to one surface, facing the cover plate, of the first-stage large gear, and; the secondary gear set comprises a secondary gear shaft and a secondary gear which is rotatably arranged in the rack, one end of the secondary gear shaft is rotatably connected to the left open groove, the other end of the secondary gear shaft penetrates through the right open groove and then is fixedly connected with the turning plate support outside the rack, the outer surface of the secondary gear shaft is sleeved with the secondary gear, and the input end of the secondary gear shaft is meshed with the output end of the primary pinion.
In some embodiments, the first-stage gear set further includes a first-stage gear shaft, the bottom plate is provided with a first shaft hole corresponding to the opening, one end of the first-stage gear shaft penetrates out of the first shaft hole to be visible, and the other end of the first-stage gear shaft is rotatably connected with the center hole of the first-stage pinion gear and the center hole of the first-stage bull gear respectively.
In some embodiments, the secondary gear set further comprises two baffle bearings connected to the secondary gear shaft, wherein one of the baffle bearings is connected to the left slot and the other baffle bearing is connected to the right slot.
In some embodiments, the gear assembly further comprises a tertiary gear set and a quaternary gear set for decelerating the secondary gear, the tertiary gear set rotatably disposed within the frame and having an input meshing with the output of the primary pinion gear, the quaternary gear set rotatably disposed within the frame and having an input meshing with the output of the tertiary gear set, the output of the quaternary gear set meshing with the input of the secondary gear.
In some embodiments, the tertiary gear set includes a tertiary gearwheel for speed reduction and a tertiary pinion for transmitting power to the quaternary gear set, an input of the tertiary gearwheel being in mesh with an output of the primary pinion, the tertiary pinion being connected to a side of the tertiary gearwheel facing the primary gearwheel; the four-stage gear set comprises a four-stage gear used for reducing speed and transmitting power to the two-stage gear, the input end of the four-stage gear is meshed with the output end of the three-stage pinion, and the input end of the two-stage gear is meshed with the output end of the four-stage gear.
In some embodiments, the tertiary gear set further comprises a tertiary gear shaft, two ends of the tertiary gear shaft are respectively and fixedly connected to the bottom plate and the cover plate, and the tertiary gearwheel and the tertiary pinion are rotatably sleeved on the outer surface of the tertiary gear shaft; the four-stage gear set further comprises a four-stage gear shaft, two ends of the four-stage gear shaft are respectively and fixedly connected to the bottom plate and the cover plate, and the four-stage gear is rotatably sleeved on the outer surface of the four-stage gear shaft.
in some embodiments, the turning plate support is provided with a connecting arm extending towards the right slotting direction on one side close to the cover plate, and the connecting arm is fixedly connected with the secondary gear shaft.
According to the range hood that provides above-mentioned, it realizes through following technical scheme:
A range hood comprises a smoke collecting hood, an oil screen assembly, a smoke baffle and a driving mechanism, wherein a smoke inlet is formed in the bottom of the smoke collecting hood, the oil screen assembly is arranged in the smoke collecting hood in a lifting mode, the smoke baffle is connected to the front face of the smoke collecting hood in a rotating mode, the driving mechanism is connected with the oil screen assembly or the smoke baffle, the range hood further comprises the transmission mechanism, the transmission mechanism is arranged on the smoke collecting hood, a rack is fixedly connected with the oil screen assembly, and a turning plate support is fixedly connected with the lower end of the smoke baffle; the drive can drive through drive mechanism when keeping off the cigarette board and turning over downwards the oil screen subassembly is followed advance the mouth of cigarette and stretch out downwards, perhaps the drive the oil screen subassembly is followed can drive through drive mechanism when advancing the mouth of cigarette and stretching out downwards keep off the cigarette board and turn over downwards.
Compared with the prior art, the invention at least comprises the following beneficial effects: the transmission mechanism has simple and compact structure and small occupied space, can effectively realize linkage of the lifting motion of the rack and the overturning motion of the turning plate support, and is favorable for improving the motion consistency of the double movable parts.
Drawings
FIG. 1 is a schematic structural view of a transmission mechanism in embodiment 1 of the invention;
FIG. 2 is a schematic structural view of a transmission mechanism according to embodiment 1 of the present invention, in which a cover plate and a flap support are hidden;
FIG. 3 is an exploded view of a transmission mechanism in embodiment 1 of the present invention;
Fig. 4 is a schematic structural view of a transmission mechanism in embodiment 1 of the present invention, in which a rack is in a lowered state and a flap support is in a downward-turned state;
Fig. 5 is a schematic view of a part of the range hood in embodiment 1 of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
Example 1
As shown in fig. 1 to 3, a transmission mechanism capable of realizing linkage of lifting and turning comprises a frame 4, wherein a rack 1, a gear transmission component 2 and a turning plate support 3 are arranged on the frame 4, the rack 1 is movably arranged on the frame 4 and is engaged with the input end of the gear transmission component 2, and the turning plate support 3 is pivoted on the frame 4 and is fixedly connected with the output end of the gear transmission component 2; the rack 1 can drive the gear transmission component 2 to rotate so as to drive the turning plate support 3 to turn, or the gear transmission component 2 can drive the turning plate support 3 to turn and simultaneously drive the rack 1 to do lifting motion.
the transmission mechanism of the embodiment has the advantages of simple and compact structure and small occupied space, can effectively realize linkage of the lifting motion of the rack 1 and the overturning motion of the turning plate support 3, and is favorable for improving the motion consistency of the double movable parts.
Further, gear drive assembly 2 includes intermeshing's primary gear set 21 and secondary gear set 22, rack 1 meshes with the input of primary gear set 21, the output of primary gear set 21 meshes with the input of secondary gear set 22, the output of secondary gear set 22 with turn over board support 3 fixed connection, so, through the cooperation of primary gear set 21 and secondary gear set 22, make and turn over board support 3 and can carry out the antiport for primary gear set 21, and then realized rack 1 and turned over the linkage between the board support 3.
In the embodiment, the lifting motion of the rack 1 drives the turning plate support 3 to perform the turning motion as an example, when the pushing rod 1 moves downwards, the motion of the rack 1 can drive the first-stage gear set 21 to rotate, the rotation of the first-stage gear set 21 can synchronously drive the second-stage gear set 22 to perform the reverse motion, and the reverse motion of the second-stage gear set 22 can synchronously drive the turning plate support 3 to turn downwards (see fig. 4), so that the turning plate support 3 drives the glass smoke baffle of the range hood to turn downwards to prevent the oil smoke from escaping upwards; on the contrary, when the rack 1 is pushed to ascend, the rack 1 can drive the turning plate support 3 to fold upwards through the primary gear set 21 and the secondary gear set 22 in the ascending process, so that the turning plate support 3 is reset (see fig. 1), the space occupied by the turning plate support 3 is avoided, and the integral attractiveness is improved.
Specifically, the frame 4 includes a base plate 401 and a cover plate 402 that are removably coupled together to facilitate quick assembly and disassembly of the drive assembly 2. The cover plate 402 is provided with an opening 41 and a right slot 42, and the base plate 401 is provided with a left slot 43 corresponding to the right slot 42 and a first shaft hole 44 corresponding to the opening 41. The first-stage gear set 21 comprises a first-stage gear shaft 210, a first-stage large gear 211 and a first-stage small gear 212 for transmitting power to the second-stage gear set 22, one end of the first-stage gear shaft 210 penetrates through the first shaft hole 44 and is visible, the other end of the first-stage gear shaft is respectively rotatably connected with a central hole of the first-stage small gear 212 and a central hole of the first-stage large gear 211, the first-stage large gear 211 is arranged on the outer side of the cover plate 402, the input end of the first-stage large gear 211 is meshed with the rack 1, the first-stage small gear 212 is fixedly connected to one surface, facing the cover plate 402, of the first. Thereby, it is achieved that the primary large gear 211 and the primary small gear 212 are rotatably mounted on the frame 4, and power transmission between the rack 1 and the primary gear set 21 is achieved.
Specifically, the secondary gear set 22 includes a secondary gear shaft 220 and a secondary gear 221 rotatably disposed in the frame 4, one end of the secondary gear shaft 220 is rotatably connected to the left slot 43, the other end of the secondary gear shaft passes through the right slot 42 and then is fixedly connected to the flap support 3 located outside the frame 4, the secondary gear 221 is sleeved on the outer surface of the secondary gear shaft 220, and the input end of the secondary gear shaft is meshed with the output end of the primary pinion 212. Therefore, through the common matching of the primary large gear 211, the primary small gear 212, the secondary gear 221 and the secondary gear shaft 220, the reliable transmission between the rack 1 and the flap support 3 is realized. In addition, the first-stage pinion 212 is fixedly connected to one surface, facing the cover plate 402, of the first-stage gearwheel 211 in a coaxial mode, the vertical distance between the first-stage gear set 21 and the second-stage gear set 22 can be shortened, the structure of the gear transmission assembly 2 is more compact, the size of the transmission mechanism 100 is smaller, and the reduction of the occupied space of the transmission mechanism 100 is facilitated.
In addition, the secondary gear set 22 further includes two baffle bearings 222 connected to the secondary gear shaft 220, wherein one baffle bearing 222 is installed on the left slot 43, and the other baffle bearing 222 is installed on the right slot 42, so that the secondary gear shaft 220 is rotatably connected to the frame 4, and the secondary gear shaft 220 is conveniently rotated synchronously with the secondary gear 221, thereby driving the flap support 3 to be opened downwards or folded upwards.
Further, the gear transmission assembly 2 of the present embodiment further includes a third-stage gear set 23 and a fourth-stage gear set 24 for decelerating the second-stage gear 221, the third-stage gear set 23 being rotatably disposed in the frame 4 and having an input end engaged with an output end of the first-stage pinion gear 212, the fourth-stage gear set 24 being rotatably disposed in the frame 4 and having an input end engaged with an output end of the third-stage gear set 23, an output end of the fourth-stage gear set 24 engaged with an input end of the second-stage gear 221, by adding the three-stage gear set 23 and the four-stage gear set 24, transmission power is provided for the movement between the first-stage pinion 212 and the second-stage gear 221, and the secondary gear 22 is decelerated, so that the turning speed of the turning plate support 3 is effectively controlled, and the glass smoke baffle of the range hood connected with the turning plate support 3 is ensured to be stably turned downwards or folded upwards.
Specifically, the third gear set 23 includes a third gear shaft 230, a third gear 231 for speed reduction, and a third pinion 232 for transmitting power to the fourth gear set 24, through holes 45 respectively provided on the cover plate 402 for the third gear shaft 230 to pass through, a second shaft hole (not shown in the figure) corresponding to the through holes 45 is provided on the bottom plate 401, and both ends of the third gear shaft 230 are respectively inserted into the through holes 45 and the second shaft hole and are fixedly connected to the rack 4. The third-stage gear wheel 231 and the third-stage pinion 232 are rotatably sleeved on the outer surface of the third-stage gear shaft 230, the input end of the third-stage gear wheel 231 is meshed with the output end of the first-stage pinion 212, the third-stage pinion 232 is connected to one surface of the third-stage gear wheel 231 facing the first-stage gear wheel 211, and the output end of the third-stage pinion 232 is meshed with the input end of the fourth-stage gear. Therefore, the fixing and the connection of the tertiary gear set 23 are realized, and the tertiary gear wheel 231 is matched with the primary pinion 212 and the tertiary pinion 232 to be matched with the quaternary gear set 24, so that the speed reduction effect is achieved, the occupied space between the tertiary gear set 23 and the primary gear set 21 can be effectively reduced, and the structure of the gear transmission assembly 2 is more compact.
Specifically, the four-stage gear set 24 includes a four-stage gear shaft 240 and a four-stage gear 241 for reducing speed and transmitting power to the two-stage gear 221, the cover plate 402 is further provided with a second through hole 45 for the four-stage gear shaft 240 to pass through, the bottom plate 401 is further provided with a third shaft hole (not shown in the figure) corresponding to the second through hole 45, and two ends of the four-stage gear shaft 240 are respectively inserted into the second through hole 45 and the third shaft hole and are fixedly connected with the frame 4. The four-stage gear 241 is rotatably sleeved on the outer surface of the four-stage gear shaft 240, the input end of the four-stage gear is meshed with the output end of the three-stage pinion 232, and the input end of the two-stage gear 221 is meshed with the output end of the four-stage gear 241. Thus, the four-stage gear set 24 is fixed and connected.
In this embodiment, the gear transmission assembly 2 is composed of a first-stage gear set 21, a third-stage gear set 23, a fourth-stage gear set 24 and a second-stage gear set 22 which are mutually connected in a matching manner, and provides a proper transmission ratio and a proper rotation direction for the transmission mechanism 100, so that the linear motion of the rack 1 is stably and reliably linked with the turning opening and closing motion of the turning support 3. In other embodiments, the transmission assembly 2 may omit the third-stage gear set 23 and the fourth-stage gear set 24 or add a plurality of gear sets as appropriate according to the moving speed and the stroke of the rack 1.
Further, the lower end of the flap support 3 near the secondary gear 221 is provided with a connecting arm 31 extending towards the direction of the second gear shaft 221, and the connecting arm 31 is fixedly connected with the secondary gear shaft 220. Thus, the flap support 3 is fixed and connected to the secondary gear shaft 220 via the connecting arm 31.
The working principle of the present transmission mechanism 100 is explained below with reference to fig. 1 and 4:
As shown in fig. 1, when the pushing device 1 moves downward, the movement of the rack 1 can drive the first gear 211 to rotate, the rotation of the first gear 211 drives the third gear 231 to rotate reversely through the first pinion 212, the third gear 231 rotates reversely and drives the fourth gear 241 to rotate forwardly through the third pinion 232, the rotation of the fourth gear 241 synchronously drives the second gear 221 to rotate reversely, and the reverse rotation of the second gear 221 can drive the second gear shaft 220 to rotate, so that the second gear shaft 220 drives the turning plate support 3 to turn downward through the connecting arm 31, as shown in fig. 4.
on the contrary, when the rack 1 is pushed to ascend, the rack 1 can drive the flap support 3 to fold upwards through the gear transmission assembly 2 in the ascending process, so that the flap support 3 is reset, as shown in fig. 1.
Example 2
As shown in fig. 5, a range hood includes a smoke collecting hood 200, an oil screen assembly 300, a smoke baffle 400 and a driving mechanism 500, a smoke inlet is provided at the bottom of the smoke collecting hood 200, the oil screen assembly 300 is liftably disposed in the smoke collecting hood 200, the smoke baffle 400 is rotatably connected to the front of the smoke collecting hood 200, the driving mechanism 500 is connected to the oil screen assembly 300 or the smoke baffle 400, and the range hood further includes a transmission mechanism 100 as described in embodiment 1, the transmission mechanism 100 is mounted on the smoke collecting hood 200 through a frame 4, a rack 1 is fixedly connected to the oil screen assembly 300 so that the lifting of the oil screen assembly 300 can drive the rack 1 to perform lifting movement, and a flap support 3 is fixedly connected to the lower end of the smoke baffle 400. In this embodiment, the driving mechanism 500 is connected to the oil screen assembly 300.
Preferably, the lower end of the smoke baffle 400 is rotatably connected near the smoke inlet, so that when the smoke baffle 400 is turned downwards, the upward diffusion of the oil smoke can be effectively prevented, the oil smoke is intercepted near the smoke inlet, the range hood is convenient to directly suck the oil smoke to the smoke inlet, and meanwhile, the smoke baffle 400 is convenient to clean.
When the range hood works, the driving mechanism 500 drives the oil screen assembly 300 to extend downwards from the smoke inlet, the motion of the oil screen assembly 300 can synchronously drive the rack 1 to descend, the rack 1 descends to drive the gear transmission assembly 2 to rotate so as to drive the turning plate support 3 to turn over, the turning plate support 3 can synchronously drive the smoke baffle 400 to turn over downwards, the smoke baffle 400 which turns over downwards at the moment forms a top smoke baffle effect, the descending oil screen assembly 300 realizes that the negative pressure moves downwards and forms a side-suction type smoke suction effect, and under the synergistic effect of the smoke baffle 400 and the oil screen assembly 300, the smoke collection effect is greatly enhanced.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. a transmission mechanism capable of realizing lifting and overturning linkage is characterized by comprising a rack (4), wherein a rack (1), a gear transmission assembly (2) and a turning plate support (3) are arranged on the rack (4), the rack (1) is movably arranged on the rack (4) and is meshed with the input end of the gear transmission assembly (2), and the turning plate support (3) is pivoted on the rack (4) and is fixedly connected with the output end of the gear transmission assembly (2); the rack (1) can drive the gear transmission component (2) to rotate so as to drive the turning plate support (3) to turn over, or the gear transmission component (2) can drive the turning plate support (3) to turn over and simultaneously drive the rack (1) to do lifting motion.
2. the transmission mechanism capable of realizing lifting and overturning linkage according to claim 1, wherein the gear transmission assembly (2) comprises a primary gear set (21) and a secondary gear set (22), the rack (1) is meshed with the input end of the primary gear set (21), the output end of the primary gear set (21) is meshed with the input end of the secondary gear set (22), and the output end of the secondary gear set (22) is fixedly connected with the flap support (3);
The rack (1) can drive the first-stage gear set (21) to rotate when moving downwards, and the rotation of the first-stage gear set (21) can drive the second-stage gear set (22) to rotate so as to drive the turning plate support (3) to be turned downwards.
3. The transmission mechanism capable of realizing linkage of lifting and overturning as claimed in claim 2, wherein the frame (4) comprises a bottom plate (401) and a cover plate (402) which are detachably connected together, the cover plate (402) is provided with an opening (41) and a right slot (42), and the bottom plate (401) is provided with a left slot (43) corresponding to the right slot (42); the primary gear set (21) comprises a primary large gear (211) and a primary small gear (212) used for transmitting power to the secondary gear set (22), the primary large gear (211) is arranged on the outer side of the cover plate (402), the input end of the primary large gear is meshed with the rack (1), the primary small gear (212) is fixedly connected to one surface, facing the cover plate (402), of the primary large gear (211), and one end of the primary small gear penetrates through the opening (41) and then extends into the rack (4); the secondary gear set (22) comprises a secondary gear (221) and a secondary gear shaft (220) which are rotatably arranged in the rack (4), one end of the secondary gear shaft (220) is rotatably connected to the left open groove (43), the other end of the secondary gear shaft penetrates through the right open groove (42) and then is fixedly connected with the turning plate support (3) positioned outside the rack (4), the secondary gear (221) is sleeved on the outer surface of the secondary gear shaft (220), and the input end of the secondary gear shaft is meshed with the output end of the primary pinion (212).
4. The transmission mechanism capable of realizing lifting and turning linkage according to claim 3, wherein the primary gear set (21) further comprises a primary gear shaft (210), the bottom plate (401) is provided with a first shaft hole (44) corresponding to the opening hole (41), one end of the primary gear shaft (210) penetrates through the first shaft hole (44) to be visible, and the other end of the primary gear shaft is respectively and rotatably connected with the central hole of the primary pinion (212) and the central hole of the primary gearwheel (211).
5. The transmission mechanism capable of realizing linkage of lifting and turning as claimed in claim 3, wherein said secondary gear set (22) further comprises two baffle bearings (222) connected with said secondary gear shaft (220), wherein one of said baffle bearings (222) is connected to said left slot (43), and the other of said baffle bearings (222) is connected to said right slot (42).
6. a drive mechanism enabling lifting and turning in conjunction according to any one of claims 3-5, characterised in that the gear drive assembly (2) further comprises a tertiary gear set (23) and a quaternary gear set (24) for decelerating the secondary gear (221), the tertiary gear set (23) being rotatably arranged in the machine frame (4) and having its input end in mesh with the output end of the primary pinion (212), the quaternary gear set (24) being rotatably arranged in the machine frame (4) and having its input end in mesh with the output end of the tertiary gear set (23), the input end of the secondary gear (221) being in mesh with the output end of the quaternary gear set (24).
7. The transmission mechanism capable of realizing linkage of lifting and turning as claimed in claim 6, wherein the tertiary gear set (23) comprises a tertiary gearwheel (231) for speed reduction and a tertiary pinion (232) for transmitting power to the quaternary gear set (24), an input end of the tertiary gearwheel (231) is meshed with an output end of the primary pinion (212), and the tertiary pinion (232) is connected to a surface of the tertiary gearwheel (231) facing the primary gearwheel (211); the four-stage gear set (24) comprises a four-stage gear (241) for reducing speed and transmitting power to the two-stage gear (221), the input end of the four-stage gear (241) is meshed with the output end of the three-stage pinion (232), and the input end of the two-stage gear (221) is meshed with the output end of the four-stage gear (241).
8. The transmission mechanism capable of realizing lifting and turning linkage according to claim 7, wherein the tertiary gear set (23) further comprises a tertiary gear shaft (230), two ends of the tertiary gear shaft (230) are respectively and fixedly connected to the bottom plate (401) and the cover plate (402), and the tertiary gear wheel (231) and the tertiary pinion (232) are rotatably sleeved on the outer surface of the tertiary gear shaft (230); the four-stage gear set (24) further comprises a four-stage gear shaft (240), two ends of the four-stage gear shaft (240) are respectively and fixedly connected to the bottom plate (401) and the cover plate (402), and the four-stage gear (241) is rotatably sleeved on the outer surface of the four-stage gear shaft (240).
9. The transmission mechanism capable of realizing linkage of lifting and turning as claimed in claim 3, wherein the flap support (3) is provided with a connecting arm (31) extending towards the right slot (42) at a side close to the cover plate (402), and the connecting arm (31) is fixedly connected with the secondary gear shaft (220).
10. a range hood, comprising a smoke collecting hood (200), an oil screen assembly (300), a smoke baffle (400) and a driving mechanism (500), wherein a smoke inlet is arranged at the bottom of the smoke collecting hood (200), the oil screen assembly (300) is arranged in the smoke collecting hood (200) in a lifting way, the smoke baffle (400) is rotatably connected with the front surface of the smoke collecting hood (200), the driving mechanism (500) is connected with the oil screen assembly (300) or the smoke baffle (400), the range hood is characterized by further comprising a transmission mechanism (100) according to any one of claims 1 to 9, the transmission mechanism (100) is arranged on the smoke collecting hood (200), the rack (1) is fixedly connected with the oil screen assembly (300), and the turning plate support (3) is fixedly connected with the lower end of the smoke baffle (400);
The drive can drive through drive mechanism (100) when keeping off cigarette board (400) and turning over downwards the oil screen subassembly (300) are followed advance the mouth and stretch out downwards, perhaps drive oil screen subassembly (300) are followed can drive through drive mechanism (100) when advancing the mouth and stretching out downwards keep off cigarette board (400) and turn over downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910791952.2A CN110578945A (en) | 2019-08-26 | 2019-08-26 | Transmission mechanism capable of realizing linkage of lifting and overturning and range hood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910791952.2A CN110578945A (en) | 2019-08-26 | 2019-08-26 | Transmission mechanism capable of realizing linkage of lifting and overturning and range hood |
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| CN110578945A true CN110578945A (en) | 2019-12-17 |
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| CN201910791952.2A Pending CN110578945A (en) | 2019-08-26 | 2019-08-26 | Transmission mechanism capable of realizing linkage of lifting and overturning and range hood |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09267137A (en) * | 1996-03-29 | 1997-10-14 | Nec Corp | Tapping unit for turret punch press |
| CN103032911A (en) * | 2013-01-16 | 2013-04-10 | 浙江欧意电器有限公司 | Range hood with automatically translating and lifting panel |
| CN105066207A (en) * | 2015-08-11 | 2015-11-18 | 宁波方太厨具有限公司 | Driving mechanism of smoke barrier of smoke exhaust ventilator |
| CN206073393U (en) * | 2016-08-23 | 2017-04-05 | 珠海格力电器股份有限公司 | Driving device and air conditioner |
| CN211176933U (en) * | 2019-08-26 | 2020-08-04 | 华帝股份有限公司 | Transmission mechanism capable of realizing linkage of lifting and overturning and range hood |
-
2019
- 2019-08-26 CN CN201910791952.2A patent/CN110578945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09267137A (en) * | 1996-03-29 | 1997-10-14 | Nec Corp | Tapping unit for turret punch press |
| CN103032911A (en) * | 2013-01-16 | 2013-04-10 | 浙江欧意电器有限公司 | Range hood with automatically translating and lifting panel |
| CN105066207A (en) * | 2015-08-11 | 2015-11-18 | 宁波方太厨具有限公司 | Driving mechanism of smoke barrier of smoke exhaust ventilator |
| CN206073393U (en) * | 2016-08-23 | 2017-04-05 | 珠海格力电器股份有限公司 | Driving device and air conditioner |
| CN211176933U (en) * | 2019-08-26 | 2020-08-04 | 华帝股份有限公司 | Transmission mechanism capable of realizing linkage of lifting and overturning and range hood |
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