CN109990352B - A smoke guide locking mechanism for range hood - Google Patents
A smoke guide locking mechanism for range hood Download PDFInfo
- Publication number
- CN109990352B CN109990352B CN201711492771.7A CN201711492771A CN109990352B CN 109990352 B CN109990352 B CN 109990352B CN 201711492771 A CN201711492771 A CN 201711492771A CN 109990352 B CN109990352 B CN 109990352B
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- Prior art keywords
- smoke
- guide
- guide plate
- locking
- smoke guide
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- 239000000779 smoke Substances 0.000 title claims abstract description 106
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000001960 triggered effect Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 239000003517 fume Substances 0.000 claims description 6
- 238000005381 potential energy Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
- F24C15/2071—Removing cooking fumes mounting of cooking hood
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Operated Clutches (AREA)
- Clamps And Clips (AREA)
Abstract
The utility model relates to a smoke guide plate locking mechanism for a range hood, which comprises a smoke collection cover and a smoke guide plate arranged below the smoke collection cover, wherein the rear end part of the smoke collection cover and the rear side part of the smoke guide plate form detachable rotary connection so that the smoke guide plate can be turned up and down relative to the smoke collection cover, and the smoke guide plate locking mechanism is characterized in that: the utility model has the advantages that compared with the prior art, the smoke collecting cover is internally provided with the locking mechanism, the relative locking or unlocking of the connecting feet is triggered by the action that the connecting feet of the smoke guide plate extend into the smoke collecting cover, so that the functions of pushing upwards, locking and unlocking are realized, and the defect that the existing smoke guide plate needs larger force when being buckled and unbuckled can be avoided.
Description
Technical Field
The utility model relates to a range hood, in particular to a smoke guide plate locking mechanism for the range hood.
Background
At present, common disassembly and assembly modes of smoke guide plates of the range hood in the market are a mode of magnetic steel attraction, a mode of plastic collision beads and a mode of metal lock catches. If the mode of fixing the magnetic steel is adopted, when the smoke guide plate is installed, the hanging hook on the smoke guide plate is positioned on the back surface of the smoke guide plate, and an installer can only observe whether the hanging hook is correctly hung from the side surface of the smoke guide plate, so that the operation is very inconvenient. The smoke guide plate structure of the side-draft range hood comprises a smoke collecting hood and a smoke guide plate, wherein an upper support is arranged at the upper part of the smoke collecting hood, a lower support is arranged at the lower part of the smoke collecting hood, the upper end of the smoke guide plate is rotatably connected with the upper support, and the lower end of the smoke guide plate is magnetically connected with the lower support. The smoke guide plate structure is connected in a magnetic manner, on one hand, after long-time use, the magnetic force can be gradually weakened to be lower than the transverse force generated by the gravity of the smoke guide plate, so that the smoke guide plate falls off, on the other hand, the cost of magnetic fixation is high, and the installation is inconvenient. If the mounting mode of plastic collision beads or metal lock catches is adopted, after the smoke guide plate is dismounted for a plurality of times, the aperture of the locking hole is usually enlarged, so that the smoke guide plate is easy to fall off from the smoke guide plate hanging frame. In addition, the disassembly and assembly structures of other prior smoke guide plates commonly have the defects of more specifications of parts, relatively complex structure and relatively large installation space. In view of the above, the existing smoke guide plate assembling and disassembling structure needs to be further improved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the smoke guide plate locking mechanism for the range hood, which is simple in structure and convenient to assemble and disassemble.
The technical scheme adopted for solving the technical problems is as follows: this a smoke guide plate locking mechanical system for range hood, including collection petticoat pipe and the smoke guide plate of locating collection petticoat pipe below, the smoke guide plate is in with its rear portion rotationally connect the rear portion position of collection petticoat pipe, make the front side portion potential energy of smoke guide plate for the upset about collection petticoat pipe, its characterized in that: the left side and the right side of the front side of the smoke guide plate are respectively provided with a connecting pin, the front part of the smoke collecting cover is provided with a locking device which can lock the connecting pins at corresponding positions, and the relative locking or unlocking of the connecting pins is triggered under the action that the connecting pins extend into the smoke collecting cover.
In order to realize the function that one connecting pin of the smoke guide plate stretches into the smoke collecting hood to be locked and the other connecting pin is unlocked, the locking device comprises a lock seat and a lock pin which can stretch out and draw back relative to the inside and outside of the lock seat, a vertical guide hole for the connecting pin to enter is formed in the bottom of the lock seat, a sliding block which is driven to slide by the connecting pin is arranged above the guide hole of the lock seat, the sliding block is also connected with a transmission mechanism which is linked with the lock pin, and the transmission mechanism can be triggered and drives the lock pin to stretch out or stretch in under the condition that the connecting pin enters the guide hole and drives the sliding block to move upwards, so that the connecting pin is locked or unlocked.
The utility model aims to realize that the smoke guide plate is locked relative to the smoke collecting hood and is hung below the smoke collecting hood, and further improvement measures are as follows:
the lock seat is provided with a sliding groove for sliding the sliding block above the guide hole, the width of the sliding groove is larger than that of the guide hole, a step for limiting the sliding block is formed between the bottom of the sliding groove and the top of the guide hole, and a limiting groove for the locking pin to extend outwards or retract inwards is formed in the side wall of the connecting pin; and, the connecting pin drives the slider to slide and has four matching states as follows:
in an initial state, the connecting pin is to extend into the opening, the bottom of the sliding block is in contact with the step, the transmission mechanism is not touched, and the lock pin is retracted in the limit groove;
in a half-locking state, the connecting pins extend into the openings to push the sliding blocks to be away from the steps, the transmission mechanism is triggered, and the locking pins extend out of the limiting grooves or the lower end parts of the limiting grooves;
in a full locking state, the sliding block falls back to the step again, the transmission mechanism is triggered, and the lock pin extends out of the upper end part of the limit groove;
in an unlocking state, the connecting pin pushes the sliding block to be away from the step again, the transmission mechanism is triggered, and the lock pin is retracted in the limiting groove.
Preferably, the length of the limit groove is greater than the length of the lock pin and allows the slider to fall such that the smoke guide plate has a space hanging below the smoke collecting hood.
In order to realize the four matching states, the transmission mechanism of the utility model is preferably designed as follows from the aspects of cost and convenience: the transmission mechanism comprises:
the push rod is connected with the slide block;
the rotating rod is hinged with the push rod and can rotate from an initial state position to a half-lock state position and then to a full-lock state position;
the driving gear and the driven gear are meshed with each other, the lock pin and the driven gear are hinged through a connecting rod, the driving gear and the rotating rod are coaxially arranged, and the lock pin on the driven gear can extend or retract along with the rotation of the rotating rod; and
the pawl is arranged at a position adjacent to the driven gear, and the middle part of the pawl is connected with a first elastic piece which enables the free end of the pawl to always keep the trend of abutting against the teeth of the driven gear, so that the driven gear is limited to rotate unidirectionally.
The pawl is arranged to: when the rotating rod drives the driving gear and the driven gear to rotate from the initial state position to the half-locking state position, the lock pin is inserted into the limit groove of the connecting pin, and in order to prevent the rotating rod from driving the driving gear and the driven gear to rotate, the lock pin can be withdrawn from the limit groove of the connecting pin, so that the full-locking state cannot be realized; therefore, when the locking device is in the half-locking state, the locking pulling piece limits the continuous rotation of the driving gear and the driven gear, and only the rotating rod is allowed to rotate to realize the full-locking state.
In order to realize that the sliding block drives the push rod to move, preferably, the upper end face of the sliding block is provided with a first inclined surface which is inclined backwards from top to bottom, the first inclined surface is provided with a guide post, correspondingly, the tail end of the push rod is also provided with a second inclined surface which is inclined backwards from top to bottom, and the second inclined surface is provided with a guide groove which can enable the guide post to slide in the guide groove, so that the first inclined surface and the second inclined surface can slide mutually.
In order to realize that the rotating rod can rotate from the initial state position to the half-lock state position and then to the full-lock state position, the side wall of the push rod is provided with a guide groove, and a second elastic piece is arranged in the guide groove, so that the push rod always has a tendency of returning to the initial state position. The push rod can need the power of the reverse rotation of the rotary rod under the action of the restoring force of the second elastic piece.
Preferably, the second elastic piece is a compression spring embedded in the guide groove, one end of the compression spring is abutted against the inner side wall of the lock seat, and the other end of the compression spring is abutted against the bottom of the guide groove.
In order to realize the coaxial rotation of the rotating rod and the driving gear, at least two through holes are formed in the side wall of the driving gear, at least two protruding blocks are arranged in the through holes, the root parts of the protruding blocks are connected with third elastic pieces, and the protruding blocks always have a trend of exposing the through holes, so that the rotating rod can apply force to the driving gear through the protruding blocks to drive the locking pins to extend outwards or retract inwards.
In order to realize the reverse rotation of the rotating rod to enter a full locking state, the inclined surfaces of the convex blocks incline downwards and backwards from top to bottom and are circumferentially distributed;
in a forward-backward rotation state of the rotating rod, the rotating rod is propped against the vertical surface of one lug to apply force to the driving gear so as to drive the lock pin to extend outwards;
the rotating rod is reversed from back to front in a state that the rotating rod presses the inclined surface of the adjacent lug and slides into the vertical surface of the adjacent lug.
In order to realize detachable rotary connection of the rear end part of the fume collecting hood and the rear side part of the fume guide plate, clamping parts are respectively arranged at the left side and the right side of the rear end part of the fume collecting hood, and hooks matched with the clamping parts are respectively arranged at the left side and the right side of the rear side part of the fume guide plate.
Compared with the prior art, the smoke collecting hood has the advantages that the locking mechanism is arranged in the smoke collecting hood, the relative locking or unlocking of the connecting feet is triggered by the action that the connecting feet of the smoke guide plate extend into the smoke collecting hood, namely, the front side part of the smoke guide plate is pushed upwards to enable the connecting feet to enter an opening of the locking mechanism to be clamped by the lock pin, the front side part of the smoke guide plate is pushed upwards continuously to enable the connecting feet to be separated from the lock pin, so that the functions of pushing upwards and locking and unlocking are realized, and the defect that the existing smoke guide plate needs larger force when being buckled and unbuckled can be avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of a smoke-collecting hood with smoke-collecting plates connected by a locking device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a lock base in a locking device according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view taken at an angle to FIG. 2;
FIG. 4 is a schematic view of a locking device in an initial state according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a locking device in a semi-locked state according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a locking device in a fully locked state according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a push rod according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a connection pin according to an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 8, the smoke guide plate locking mechanism for a range hood of the present embodiment includes a smoke collecting hood 1 and a smoke guide plate 2 disposed below the smoke collecting hood 1, wherein a clamping part 11 is disposed at left and right sides of a rear end of the smoke collecting hood 1, hooks 22 matched with the clamping part 11 are disposed at left and right sides of a rear side of the smoke guide plate 2, the clamping part 11 and the hooks 22 form a detachable rotary connection so that the smoke guide plate 2 can be turned up and down relative to the smoke collecting hood 1, and hooks 22 matched with the clamping part 11 are disposed at left and right sides of a rear side of the smoke guide plate 2. The left and right sides of the front side of the smoke guide plate 2 are respectively provided with a connecting pin 21, the left and right sides of the front end of the smoke collecting hood 1 are respectively provided with a locking device 3 at corresponding positions, and the relative locking or unlocking of the connecting pins 21 is triggered under the action that the connecting pins 21 extend into the smoke collecting hood 1, and the connecting pins 21 at the left and right sides have the same structure, so that the following description of the left connecting pin 21 is also applicable to the right connecting pin 21, and the description is given by the connecting pins 21.
As shown in fig. 1 to 6, specifically, the locking device 3 includes a lock seat 31 and a lock pin 32 that can telescope inside and outside relative to the lock seat 31, a vertical guiding hole 311 for the connection pin 21 to enter is provided at the bottom of the lock seat 31, the connection pin 21 is in a straight plate shape matching with the shape of the vertical guiding hole 311, a sliding block 33 that is driven to slide by the connection pin 21 is provided above the opening of the lock seat 31, the sliding block 33 is further connected with a transmission mechanism that is linked with the lock pin 32, and in a state that the connection pin 21 enters the opening and drives the sliding block 33 to move upwards, the transmission mechanism can be triggered and drive the lock pin 32 to extend or retract inwards. In order to realize that the smoke guide plate 2 is locked relative to the smoke collecting hood 1 and is hung below the smoke collecting hood 1, a sliding groove 312 for sliding a sliding block 33 is formed above a vertical guide hole 311 in a lock seat 31, the width of the sliding groove 312 is larger than that of the vertical guide hole 311, a step 313 for limiting the sliding block 33 is formed between the bottom of the sliding groove 312 and the top of the vertical guide hole 311, a limiting groove 211 for enabling a lock pin 32 to extend outwards or retract inwards is formed in the side wall of a connecting foot 21, and the length of the limiting groove 211 is larger than the diameter of the lock pin 32; and, the connecting pin 21 drives the slider 33 to slide, and has four mating states as follows:
in the initial state, the connecting pin 21 is ready to extend into the vertical guide hole 311, the bottom of the sliding block 33 is propped against the step 313, the transmission mechanism is not touched, and the lock pin 32 is retracted into the limit groove 211, as shown in fig. 4;
in the half-locking state, the connecting pin 21 stretches into the vertical guide hole 311 to push the sliding block 33 to be away from the step 313, the transmission mechanism is triggered, and the lock pin 32 stretches out of the limit groove 211 or the lower end part of the limit groove 211;
in the full locking state, the sliding block 33 falls back to the step 313 again, the transmission mechanism is triggered, and the locking pin 32 extends out of the upper end part of the limiting groove 211;
in the unlocked state, the connecting pin 21 pushes the sliding block 33 away from the step 313 again, the transmission mechanism is triggered, and the locking pin 32 is retracted in the limiting groove 211. Since the length of the limit groove 211 is greater than the diameter of the locking pin 32 and allows the slider 33 to fall, the smoke guide plate 2 has a space hanging below the smoke collecting hood 1.
In order to realize the four matching states, the transmission mechanism of the utility model is preferably designed as follows from the aspects of cost and convenience:
the device comprises a push rod 4 connected with a sliding block 33, a rotating rod 5 hinged with the push rod 4 and capable of rotating from an initial state position to a half-lock state position and then rotating to a full-lock state position, and a driving gear 6 and a driven gear 7 which are meshed with each other, wherein the driving gear 6 is coaxially arranged with the rotating rod 5, a lock pin 32 is hinged with the driven gear 7 through a connecting rod 100, the connecting rod 100 is eccentrically arranged with the driven gear 7, the driving gear 6 can rotate along with the rotating rod 5 to realize the extension or retraction of the lock pin 32 on the driven gear 7, the device further comprises a pawl 8 which is arranged on a cavity of a lock seat 31 and is adjacent to the driven gear 7 and is driven to deflect by the driven gear 7, and a first elastic piece 81, preferably a tension spring, is connected to the middle part of the pawl 8, so that the pawl 8 always has a trend of abutting against teeth of the driven gear 7, and the driven gear 7 can only rotate towards the half-lock state position and the unlocking state position. Wherein: the upper end surface of the slider 33 has a first inclined surface 331 inclined obliquely rearward from above downward and having a guide post (not shown), and correspondingly, the end of the push rod 4 also has a second inclined surface 41 inclined obliquely rearward from above downward and having a guide groove (not shown). When the connecting pin 21 stretches into the vertical guide hole 311 to push the sliding block 33 to be far away from the step 313, the guide groove on the second inclined surface 41 of the push rod 4 slides along the guide post on the first inclined surface 331 of the sliding block 33 from front to back, so as to push the rotary rod 5 to drive the driving gear 6 to rotate anticlockwise, namely, the rotary rod 5 rotates forwards and backwards, in order to avoid the clamping of the rotary rod 5 and the push rod 4 in the rotating process, preferably, the hinging position of the rotary rod 5 and the push rod 4 is a kidney-shaped hole, and meanwhile, the transmission ratio of the driven gear 7 and the driving gear 6 is set to be 1:2, when the driving gear 6 rotates 90 ° counterclockwise, the driven gear 7 can rotate 180 ° forward from back to front in the clockwise direction, so as to drive the rotating rod 100 and the lock pin 32 to horizontally translate forward from back to front and extend into the limit groove 211 of the connecting pin 21, as in the semi-locking state shown in fig. 5, in addition, the side wall of the push rod 4 is opened with a guide groove 42, the guide groove 42 is internally provided with a second elastic member 43, preferably a compression spring, the compression spring is embedded in the guide groove 42, one end of the compression spring abuts against the inner side wall of the lock seat 31, and the other end abuts against the bottom of the guide groove 42, and the compression spring enables the push rod 4 to always have a tendency of returning to the initial state position, i.e. moving forward from back. Four through holes 61 are formed in the side wall of the driving gear 6, each through hole 61 is provided with a bump 9, the root of each bump 9 is connected with a third elastic member 91, and the third elastic members 91 enable the bumps 9 to always have a trend of exposing the through holes 61, so that the rotating rod 5 can apply force to the driving gear 6 through the bumps 9 to drive the lock pins 32 to extend or retract. The bump 9 is approximately in a right triangle shape, and of course, the inclined surface of each bump 9 is inclined from top to bottom and then inclined; in a state in which the rotating lever 5 rotates from the initial state position to the half-lock state position, that is, the rotating lever 5 rotates forward, the rotating lever 5 is forced to the driving gear 6 against a vertical surface of one of the projections 9 such as the first projection 9 to drive the lock pin 32 to extend outward; at this time, the sliding block 33 falls back to the step 313 again, the rotating rod 5 is required to rotate reversely under the driving of the restoring force of the first elastic member 81 of the push rod 4, and since the lock pulling piece 8 restricts the driven gear 7 to rotate only clockwise, i.e. from back to front, but cannot drive the driving gear 6 and the driven gear 7 to rotate reversely, therefore, the rotating rod 5 can only press the inclined surface of the first bump 9 to slide into the vertical surface of the adjacent bump 9 (i.e. the second bump 9 positioned in front of the first bump 9) under the pulling of the push rod 4, i.e. the rotating rod 5 rotates reversely, and the rotating rod 5 can rotate from the half-lock state position to the full-lock state position as shown in fig. 5, when the connecting pin 21 pushes the sliding block 33 away from the step 313 again, the push rod 4 is pushed forward and back again, driving the rotating rod 5 to rotate forwardly, so that the lock pin 32 is retracted in the limit groove 211, and unlocking is completed.
When the smoke guide plate 2 is installed, firstly, the smoke guide plate 2 is pushed backwards, the hooks 22 on the left side and the right side of the rear side of the smoke guide plate 2 are hooked into the clamping parts 11 on the left side and the right side of the rear end part of the smoke collecting hood 1, then, the connecting feet 21 on the left side and the right side of the front side of the smoke guide plate 2 extend into the opening of the lock seat 31 in the locking device 3 of the smoke collecting hood 1, the sliding block 33 is pushed away from the step 313 and drives the push rod 4 to be pushed backwards from front to back, and then, the connecting rod, the driving gear 6 and the driven gear 7 are driven to be linked, and finally, the lock pin 32 extends out of the limit groove 211 of the connecting feet 21 or the lower end part of the limit groove 211 to enter a half-locking state; when the sliding block 33 falls back to the step 313 again, the locking pin 32 extends out of the upper end part of the limit groove 211 of the connecting pin 21 to enter a full locking state, so that the smoke guide plate 2 is installed in place, and meanwhile, the smoke guide plate 2 can be kept suspended in a space below the smoke collecting hood 1;
when the smoke guide plate 2 is detached, the connecting feet 21 on the left and right sides of the front side part of the smoke guide plate 2 are pushed upwards into the opening of the lock seat 31 in the locking device 3 of the smoke collecting hood 1, the sliding block 33 is pushed away from the step 313 again to enter an unlocking state, the connecting feet 21 on the left and right sides of the front side part of the smoke guide plate 2 are separated from the locking device 3, then the smoke guide plate 2 is pulled upwards, and the clamping hooks 22 on the front side part of the smoke guide plate 2 are separated from the clamping parts 11 of the smoke collecting hood 1, so that the disassembly is completed.
Claims (5)
1. The utility model provides a smoke guide locking mechanical system for range hood, includes smoke collecting hood (1) and locates smoke guide (2) of smoke collecting hood (1) below, smoke guide (2) are in with its rear portion rotationally connect the rear portion position of smoke collecting hood (1), make the front portion potential energy of smoke guide (2) for smoke collecting hood (1) upset from top to bottom, its characterized in that: the left side and the right side of the front side of the smoke guide plate (2) are respectively provided with a connecting pin (21), the front part of the smoke collecting cover (1) is provided with a locking device (3) which can lock the connecting pins, and the relative locking or unlocking of the connecting pins (21) is triggered under the action that the connecting pins (21) extend into the smoke collecting cover (1); the locking device (3) comprises a lock seat (31) and a lock pin (32) which can stretch out and draw back relative to the lock seat (31), a vertical guide hole (311) for the connecting pin (21) to enter is formed in the bottom of the lock seat (31), a sliding block (33) which is driven to slide by the connecting pin (21) is arranged above the guide hole (311) of the lock seat (31), the sliding block (33) is also connected with a transmission mechanism which is linked with the lock pin (32), and when the connecting pin (21) enters the guide hole (311) and drives the sliding block (33) to move upwards, the transmission mechanism can be triggered and drives the extension or retraction of the lock pin (32), so that the connecting pin is locked or unlocked; the lock seat (31) is provided with a sliding groove (312) for sliding the sliding block (33) above the guide hole (311), the width of the sliding groove (312) is larger than that of the guide hole (311), a step (313) for limiting the sliding block (33) is formed between the bottom of the sliding groove (312) and the top of the guide hole (311), and the side wall of the connecting pin (21) is provided with a limiting groove (211) for the locking pin (32) to extend outwards or retract inwards;
the transmission mechanism comprises:
a push rod (4) connected to the slider (33);
the rotating rod (5) is hinged with the push rod (4);
the driving gear (6) and the driven gear (7) are meshed with each other, the lock pin (32) and the driven gear are hinged through a connecting rod (100), the driving gear (6) and the rotating rod (5) are coaxially arranged, and the lock pin (32) on the driven gear (7) can extend or retract along with the rotation of the rotating rod (5);
a pawl (8) arranged adjacent to the driven gear (7), wherein a first elastic piece (81) is connected to the middle of the pawl, and the first elastic piece (81) enables the free end of the pawl (8) to always keep the trend of abutting against the teeth of the driven gear (7), so that the driven gear (7) can only rotate unidirectionally; at least two through holes (61) are formed in the side wall of the driving gear (6), at least two protruding blocks (9) are arranged in the through holes (61), a third elastic piece (91) is connected to the root of each protruding block (9), and the third elastic piece (91) enables the protruding blocks (9) to always have a trend of exposing the through holes (61), so that the rotating rod (5) can apply force to the driving gear (6) through the protruding blocks (9) to drive the locking pins (32) to extend outwards or retract inwards; the side wall of the push rod (4) is provided with a guide groove (42), and a second elastic piece (43) is arranged in the guide groove (42), so that the push rod (4) always has a trend of returning to the initial state position.
2. The smoke guide locking mechanism for a range hood of claim 1, wherein: the upper end face of the sliding block (33) is provided with a first inclined surface (331) which is inclined backwards from top to bottom, the first inclined surface (331) is provided with a guide post, correspondingly, the tail end of the push rod (4) is also provided with a second inclined surface (41) which is inclined backwards from top to bottom, and the second inclined surface (41) is provided with a guide groove which can enable the guide post to slide in the guide groove, so that the first inclined surface and the second inclined surface can slide mutually.
3. The smoke guide locking mechanism for a range hood of claim 1, wherein: the second elastic piece (43) is a compression spring embedded in the guide groove (42), one end of the second elastic piece is abutted against the inner side wall of the lock seat (31), and the other end of the second elastic piece is abutted against the bottom of the guide groove (42).
4. The smoke guide locking mechanism for a range hood of claim 1, wherein: the inclined surfaces of the convex blocks (9) incline downwards and backwards from top to bottom and are distributed in a circumferential shape;
in a state that the rotating rod (5) rotates forwards and backwards, the rotating rod (5) is pressed against the vertical surface of one lug (9) to apply force to the driving gear (6) so as to drive the lock pin (32) to extend outwards;
the rotating rod (5) is reversed from back to front in a state that the rotating rod (5) presses the inclined surface of the lug (9) and slides into the vertical surface of the lug (9).
5. The smoke guide locking mechanism for a range hood according to any one of claims 1 to 4, wherein: the left and right sides position of the rear end part of the fume collecting hood (1) is respectively provided with a clamping part (11), and the left and right sides position of the rear side part of the fume guide plate (2) is respectively provided with a clamping hook (22) matched with the clamping part (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492771.7A CN109990352B (en) | 2017-12-30 | 2017-12-30 | A smoke guide locking mechanism for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492771.7A CN109990352B (en) | 2017-12-30 | 2017-12-30 | A smoke guide locking mechanism for range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990352A CN109990352A (en) | 2019-07-09 |
| CN109990352B true CN109990352B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711492771.7A Active CN109990352B (en) | 2017-12-30 | 2017-12-30 | A smoke guide locking mechanism for range hood |
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| Country | Link |
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| CN (1) | CN109990352B (en) |
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| CN205717422U (en) * | 2016-04-28 | 2016-11-23 | 九阳股份有限公司 | A kind of side-suction type range hood |
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| CN206330183U (en) * | 2016-12-29 | 2017-07-14 | 宁波方太厨具有限公司 | A kind of smoke deflector mechanism for assembling-disassembling for range hood |
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| CN107244270A (en) * | 2017-06-23 | 2017-10-13 | 延锋安道拓座椅有限公司 | The unblock variable force device of lockable mechanism |
| CN107327882A (en) * | 2016-04-28 | 2017-11-07 | 青岛海尔洗碗机有限公司 | The side-suction type range hood that a kind of smoke deflector can be closed automatically |
| CN207999857U (en) * | 2017-12-30 | 2018-10-23 | 宁波方太厨具有限公司 | A kind of smoke deflector locking mechanism for range hood |
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| CN203628760U (en) * | 2013-11-21 | 2014-06-04 | 海尔集团公司 | Smoke-deflector-detachable side range hood |
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| CN103696637A (en) * | 2013-12-31 | 2014-04-02 | 宁波隆兴电信设备制造有限公司 | Lock catch for side plate of cabinet |
| CN205010298U (en) * | 2015-09-01 | 2016-02-03 | 宁波妈咪宝婴童用品制造有限公司 | Mechanism is received second in baby's shallow |
| CN107101233A (en) * | 2016-02-19 | 2017-08-29 | 博西华电器（江苏）有限公司 | Smoke exhaust ventilator and its component |
| CN107218632A (en) * | 2016-03-22 | 2017-09-29 | 博西华电器（江苏）有限公司 | Side-suction type range hood and its smoking control method |
| CN205579691U (en) * | 2016-03-25 | 2016-09-14 | 九阳股份有限公司 | Formula lampblack absorber is inhaled on top |
| CN205717422U (en) * | 2016-04-28 | 2016-11-23 | 九阳股份有限公司 | A kind of side-suction type range hood |
| CN107327882A (en) * | 2016-04-28 | 2017-11-07 | 青岛海尔洗碗机有限公司 | The side-suction type range hood that a kind of smoke deflector can be closed automatically |
| CN106439963A (en) * | 2016-09-30 | 2017-02-22 | 宁波方太厨具有限公司 | Range hood provided with cooking fume guide plate |
| CN206330183U (en) * | 2016-12-29 | 2017-07-14 | 宁波方太厨具有限公司 | A kind of smoke deflector mechanism for assembling-disassembling for range hood |
| CN107244270A (en) * | 2017-06-23 | 2017-10-13 | 延锋安道拓座椅有限公司 | The unblock variable force device of lockable mechanism |
| CN207999857U (en) * | 2017-12-30 | 2018-10-23 | 宁波方太厨具有限公司 | A kind of smoke deflector locking mechanism for range hood |
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