CN208108204U - A kind of smoke deflector locking mechanism for range hood - Google Patents

Abstract

The utility model relates to a kind of smoke deflector locking mechanisms for range hood, the smoke deflector including exhaust fume collecting hood and below exhaust fume collecting hood, it is characterised in that：The left and right sides position of the smoke deflector is respectively equipped with connecting pin, correspondingly, the locking mechanism that can lock connecting pin is provided on the exhaust fume collecting hood, compared with prior art, the utility model has the advantage of be provided with locking mechanism on exhaust fume collecting hood, it is protruded under the movement in exhaust fume collecting hood using the connecting pin of smoke deflector and triggers locking or unlocking relatively for connecting pin, above pushing away smoke deflector front side portion can make connecting pin enter the vertical pilot hole of locking mechanism by lock pin clamping, continuing above to push away smoke deflector front side portion can make connecting pin be detached from lock pin, it is pushed up with realizing, it locks, the function of unlock is clicked again, the button that can avoid existing smoke deflector returns, the shortcomings that being needed more energetically when unbuttoning.

Description

A kind of smoke deflector locking mechanism for range hood

Technical field

The utility model relates to a kind of range hoods, lock machine more particularly, to a kind of smoke deflector for range hood Structure.

Background technique

Currently, the dismounting mode of common range hood smoke deflector has magnet steel actuation, plastics collision bead and metal latch in the market The mode of button.Back of the hook due to being located at smoke deflector according to the mode that magnet steel is fixed, when installing smoke deflector, on smoke deflector Face, whether installation personnel can only be linked up with from the side of smoke deflector correctly mounts, and it is very inconvenient to operate.Such as Patent No. ZL Disclosed in the Chinese utility model patent of (201320163467.9 Authorization Notice No. is CN 203231370U)《A kind of side suction Formula kitchen ventilator wind deflector structure》, which includes exhaust fume collecting hood and wind deflector, and the top of exhaust fume collecting hood is equipped with upper bracket, under Portion is equipped with undersetting, and wind deflector upper end and upper bracket are rotatablely connected, and lower end is that magnetic is connect with undersetting.This wind deflector structure It is connected by the way of magnetic, on the one hand, after long-time use, magnetic force can gradually weaken to the cross generated lower than smoke deflector gravity Xiang Li falls off so as to cause smoke deflector, on the other hand, the fixed higher cost of magnetic, and and inconvenience is installed.According to plastics collision bead Or the mounting means of metal lock catch, after smoke deflector carries out being dismounted for multiple times, the aperture of locking hole would generally become larger, so as to cause cigarette is led Plate is easy to fall off from smoke deflector hanger.In addition, the disassembly and assembly structure of other existing smoke deflectors in the prevalence of components specification compared with More, structure is relatively complicated, the relatively large defect of installation space.It is tied in conclusion needing to dismount existing smoke deflector Structure is further improved.

In addition, existing various smoke deflector lockings are substantially all by two different movements with unlock and complete, and unlock Dynamics needed for acting is greater, and which in turns increases the difficulty that ordinary user dismounts smoke deflector.

Summary of the invention

Technical problem to be solved in the utility model is provided a kind of only with single for above-mentioned state of the art Movement can complete the smoke deflector locking mechanism for range hood locked or unlocked of smoke deflector.

The utility model solves technical solution used by above-mentioned technical problem：The smoke deflector for being used for range hood is locked Determine mechanism, the smoke deflector including exhaust fume collecting hood and below exhaust fume collecting hood, it is characterised in that：The left and right sides position of the smoke deflector It is respectively equipped with connecting pin, correspondingly, the locking mechanism that can lock connecting pin, the locking mechanism packet are provided on the exhaust fume collecting hood Lock pin, transmission mechanism and the touch part for including lock and being arranged in lock, the bottom of the lock, which has, supplies the connection The vertical pilot hole that foot enters, the connecting pin, which enters pilot hole, to trigger the transmission under the movement for touching the touch part Mechanism band pendulum lock pin is traversing, so that lock pin is overhanging across the pilot hole, so that the connecting pin be made to lock.

It can be lockable to realize that the connecting pin of smoke deflector protrudes into a top in the exhaust fume collecting hood, further push up the function being unlocked Energy；The input terminal of the transmission mechanism connects a rotary shaft, and on the rotary shaft, the connecting pin enters perpendicular for the touch part installation Drive touch part relative rotation axi rotation to pilot hole, the transmission mechanism can be touched and with pendulum lock pin lateral out It stretches, so that the connecting pin be made to lock.In the state that lock pin is in sideways, outwardly extending, connecting pin is pushed up upwards again and is touched again When dynamic transmission mechanism, lock pin, which can be driven, laterally to be inside contracted.

Preferably, the limiting slot that the connecting pin can be inserted when side wall offers overhanging for the lock pin.

From cost and angle is facilitated to consider, the preferred design of the utility model touch part is：The touch part includes to push away Block and push rod, are provided with the lock pin hinged for the pushing block head on the lock, the end of the pushing block then by with lock pin Parallel axis is hinged on the push rod end, and the head of the push rod is hinged in the rotary shaft, and in the pushing block Portion is connected with the first elastic component, and one end of first elastic component is connected on the inner sidewall of the lock, the other end with it is described The middle part of pushing block is connected, and making the pushing block always has the trend for pulling down push rod, and the connecting pin offers confession in side wall The limiting slot for protruding into or inside contracting out outside the lock pin, the length of the limiting slot are greater than the length of the lock pin.

Also, the connecting pin drives the pushing block to have following four kinds of mated conditions：

Original state, the connecting pin wait protruding into vertical pilot hole, and the pushing block and push rod do not touch the transmission mechanism, The lock pin is recessed in the limiting slot；

Semi-locked state, the connecting pin protrude into vertical pilot hole and push that the pushing block turns upwards, push rod moves back, the biography Motivation structure is touched, and the lock pin is stretched in the limiting slot outside or the lower end of the limiting slot；

Full lock status, under the action of the restoring force of the first elastic component, the pushing block pull push rod drop-down fall after rise again to Initial position, the transmission mechanism are touched again, and the upper end of the limiting slot is stretched in outside the lock pin；

Unlocked state, the connecting pin push the pushing block to turn upwards again, and the transmission mechanism is touched, the lock pin It is recessed in the limiting slot.

Since the length of limiting slot is greater than the length of lock pin, when stretching in the upper end of limiting slot outside lock pin, smoke deflector has It is suspended on the space of the lower section of exhaust fume collecting hood.

From cost and angle is facilitated to consider, the preferred design of the utility model touch part is：The transmission mechanism includes The connecting rod and cam that is arranged with the concentric rotation axis and can rotate with concentric rotation axis, the root of the connecting rod is connected to institute It states in rotary shaft, the lock pin is matched with the cam side wall, and so that lock pin is inserted into the limit under the driving of the cam Position slot.Lock pin can be moved back by a top one of cam and sideways, outwardly extending with pendulum lock pin and be inside contracted during cam rotation.

In order to realize rotating coaxially for connecting rod and cam, the head of the connecting rod is expanded for substantially rounded attachment base, The central part of the attachment base connecting shaft parallel with the rotary shaft is connected with the cam, the inner sidewall of the attachment base At least two sections for being provided with circumferentially shape distribution are the caulking groove of right angled triangle, and the inclined surface of each caulking groove is towards one Direction rotates, and the lateral wall of the cam is recessed downwards and is formed fluted, and section also rectangular three is connected in the groove Angular convex block, the root of the convex block are connected with the second elastic component, and second elastic component makes the convex block head always With the trend of cam lateral wall is exposed outside, so that the connecting rod be enable to force in the cam by the convex block head And it drives the lock pin overhanging or inside contracts.

When connecting rod rotates forward from the front to the back, the vertical plane that the connecting rod is resisted against a convex block forces in described convex It takes turns and drives the lock pin overhanging；

When the connecting rod is driven by push rod and pushing block to forward, since cam is not able to rotate under the action of plectrum, even Bar can only invert from the front to the back, and the groove of connecting rod can oppress that the second elastic component inside contracts at this time and convex block can slide into the adjacent grooves It is interior, realize full lock status.

Further, in order to realize the rationalization in space in lock, in the side of the vertical pilot hole in the lock It is formed with the cavity for accommodating the connecting rod and cam, the lock side wall offers slideway, and the slideway both ends are open and connect Lead to the cavity and the vertical pilot hole, the lock pin is then arranged in the slideway.

In order to realize the sideways, outwardly extending of lock pin relative limit slot or inside contract, the side wall of the lock pin is provided with guide channel, this is led Third elastic component is equipped in approaching channel, so that the lock pin has the trend returned back in the cavity always.

Preferably, the third elastic component is a compressed spring, and the compressed spring is embedded compression in the guide slot Spring one end is resisted against on the inner sidewall of the lock, and the other end is against the bottom of guide channel.

When in order to realize full lock status, only connecting rod is allowed to invert, the cam can be limited by being rotatably connected in the cavity The plectrum of direction of rotation.Plectrum limitation cam can only rotate forward.

Compared with prior art, the utility model has the advantage of locking mechanism is provided on exhaust fume collecting hood, smoke deflector is utilized Connecting pin protrude under the movement in exhaust fume collecting hood and trigger the opposite of connecting pin and lock or unlock, i.e., above pushing away smoke deflector front side portion can make Connecting pin enters the vertical pilot hole of locking mechanism by lock pin clamping, and continuing above to push away smoke deflector front side portion can make connecting pin be detached from lock Pin is pushed up with realizing, is lockked, then click the function of unlock, not only laborsaving, also dismounts smoke deflector drop for ordinary user Low operation difficulty.

Detailed description of the invention

Fig. 1 is that smoke deflector is illustrated by exhaust fume collecting hood by the cooperation section view that locking device connects in the utility model embodiment Figure；

Fig. 2 is that smoke deflector is in the cooperation schematic cross-sectional view with exhaust fume collecting hood unlocked state in the utility model embodiment；

Fig. 3 is the structural schematic diagram that locking device is in the unlocked state in the utility model embodiment；

Fig. 4 is the structural schematic diagram that locking device is in the lock state in the utility model embodiment；

Fig. 5 is the structural schematic diagram of lock in the utility model embodiment；

Fig. 6 is the structural schematic diagram of lock pin in the utility model embodiment；

Fig. 7 is the structural schematic diagram of connecting pin in the utility model embodiment；

Fig. 8 is the partial sectional view of locking device in the utility model embodiment；

Fig. 9 is the structural schematic diagram of push rod in the utility model embodiment；

Figure 10 is the structural schematic diagram of convex block in the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Fig. 1~10, the smoke deflector locking mechanism for range hood of the present embodiment includes exhaust fume collecting hood 1 and is set to The smoke deflector 2 of 1 lower section of exhaust fume collecting hood, wherein position is respectively equipped with clamping portion and smoke deflector 2 at left and right sides of the rear end of exhaust fume collecting hood 1 Position is respectively equipped with the grab matched with clamping portion at left and right sides of rear lateral portion, and clamping portion and grab form detachable rotation and connect It connects and smoke deflector 2 is enable to spin upside down relative to exhaust fume collecting hood 1, the rear end of exhaust fume collecting hood 1, the left and right sides of 2 rear lateral portion of smoke deflector Position is respectively equipped with the grab matched with clamping portion.The left and right sides position of 2 front side portion of smoke deflector is respectively equipped with connecting pin 21, And the left and right sides position of the front end of exhaust fume collecting hood 1 is provided with locking device in corresponding position, and protrudes into collection cigarette in connecting pin 21 It triggers the opposite of connecting pin 21 under movement in cover 1 to lock or unlock, due to the structure having the same of connecting pin 21 of the left and right sides It makes, right connecting pin 21 is also applied for the explanation of left connecting pin 21 therein below, illustrated with connecting pin 21.

As shown in Fig. 1~5, specifically, locking device includes lock 31 and the lock pin being arranged in lock 31 32, passes Motivation structure and touch part, the bottom of lock 31 have the vertical pilot hole 311 entered for connecting pin 21, the input terminal of transmission mechanism A rotary shaft 6 is connected, touch part is mounted in rotary shaft 6, and connecting pin 21 enters the opposite rotation of vertical pilot hole 311 driving touch part Shaft 6 rotates, and transmission mechanism can be touched and with the sideways, outwardly extending of pendulum lock pin 32 or inside contract, and connecting pin 21 offers confession in side wall The limiting slot 211 for protruding into or inside contracting out outside lock pin 32, the length of limiting slot 211 are greater than the length of lock pin 32.In the present embodiment, touching Moving part includes pushing block 4 and push rod 5, the pin shaft hinged for 4 head of pushing block is provided on lock 31, the end of pushing block 4 then passes through The axis parallel with pin shaft is hinged on 5 end of push rod, and the head of push rod 5 is hinged in rotary shaft 6, and the middle part connection of pushing block 4 Have the first elastic component 41, preferably tension spring, one end of the first elastic component 41 is connected on the inner sidewall of lock 31, the other end with push away The middle part of block 4 is connected, and pushing block 4 is made to have the trend for pulling down push rod 5 always.And transmission mechanism includes same with rotary shaft 6 Axis is arranged and can be connected in rotary shaft 6 with the connecting rod 7 and cam 8 that rotary shaft 6 rotates coaxially, the root of connecting rod 7, lock pin 32 It is matched with 8 side wall of cam.

Wherein, the head of connecting rod 7 is expanded for substantially rounded attachment base 71, the central part and rotary shaft of attachment base 71 6 parallel connecting shafts are connected with cam 8, and multiple sections that the inner sidewall of attachment base 71 is provided with circumferentially shape distribution are right angle three The inclined surface of angular caulking groove 711, each caulking groove 711 rotates in one direction, and the lateral wall of cam 8 is recessed is formed with downwards Groove 81 is connected with the convex block 9 of section also rectangular triangle in groove 81, and the root of convex block 9 is connected with the second elastic component 810, preferably compressed spring, compressed spring make 9 head of convex block have the trend for exposing outside 8 lateral wall of cam always, thus Enable connecting rod 7 to force in cam 8 by 9 head of convex block to drive lock pin 32 overhanging or inside contract.Also, it is led in lock 31 in vertically The cavity 30 for accommodating connecting rod 7 and cam 8 is formed with to the side in hole 311,31 side wall of lock offers slideway 312, and 312 liang of slideway End is open and is connected to cavity 30 and vertical pilot hole 311, and lock pin 32 is then arranged in slideway 312.The side wall of lock pin 32 is provided with Guide channel 321, the guide channel 321 is interior to be equipped with third elastic component 323, so that lock pin 32 has always returns back to becoming in cavity 30 Gesture, the third elastic component 323 be a compressed spring, compressed spring i.e. be embedded in the guide channel 321, compressed spring one end against On the inner sidewall of lock 31, the other end is rotatably connected in cavity 30 against the bottom of guide channel 321 and can limit cam The plectrum 10 of 8 direction of rotation.For when preferably control cam 8 turns an angle, lock pin 32 can just be protruded into the present embodiment Or be recessed in the limiting slot 211 of connecting pin 21, cam 8 is designed like blossom type.

Specifically the process that is locked and being unlocked of connecting pin 21 is as follows：

Original state, connecting pin 21 do not touch the connecting rod of transmission mechanism wait protrude into vertical pilot hole 311, pushing block 4 and push rod 5 7 and cam 8, lock pin 32 be recessed in limiting slot 211；

Semi-locked state, connecting pin 21 protrude into vertical pilot hole 311 and upward turn of pushing block 4, push rod 5 are pushed to move back, 5 band of push rod Dynamic connecting rod 7 and cam 8 rotate forward from the front to the back, and lock pin 32 is ejected outward by cam 8, are stretched in limiting slot 211 outside or limiting slot 211 Lower end；

Full lock status, under the action of the restoring force of the first elastic component 41, pushing block 4 pull push rod 5 drop-down fall after rise again to Initial position, connecting rod 7 and cam 8 should be driven by push rod 5 and pushing block 4 to forward, due to cam 8 under the action of plectrum 10 not It is able to rotate, connecting rod 7 can only invert from the front to the back, and the groove 81 of connecting rod 7 can oppress the second elastic component 810 and inside contract and convex block 9 at this time It can slide into the adjacent grooves 81, realize the full lock status for stretching in the upper end of limiting slot 211 outside lock pin 32；Due to limiting slot 211 length is greater than the length of lock pin 32, and when stretching in the upper end of limiting slot 211 outside lock pin 32, smoke deflector 2 can be suspended on collection cigarette The space of the lower section of cover 1, at this point, the third elastic component 323 in lock pin 32 is in the state being stretched；

Unlocked state, when connecting pin 21 pushes pushing block 4 to turn upwards again, push rod 5 is moved back, and push rod 5 drives 7 He of connecting rod Cam 8 rotates forward from the front to the back, and lock pin 32 is pushed up by cam 8 one again, will under the action of the elastic-restoring force of third elastic component 323 The lock pin 32 for stretching in upper end in limiting slot 211 outside is retracted again in cavity 30, realizes the unlock for being recessed in limiting slot 211.

When installing smoke deflector 2, firstly, hooking the grab of the left and right sides of 2 rear side of smoke deflector to pusher smoke deflector 2 In clamping portion at left and right sides of the rear end of exhaust fume collecting hood 1, then, it is only necessary to by the connecting pin at left and right sides of 2 front side portion of smoke deflector 21 protrude into full lock status in the vertical pilot hole 311 of lock 31 in 1 locking device of exhaust fume collecting hood, so that smoke deflector 2 is installed to Position, meanwhile, smoke deflector 2 can also remain hanging from the space of the lower section of exhaust fume collecting hood 1；

When dismantling smoke deflector 2, by the connecting pin 21 at left and right sides of the front side portion of smoke deflector 2 again to 1 locking device of exhaust fume collecting hood Upper top, into unlocked state, makes the connecting pin 21 at left and right sides of the front side portion of wind deflector in the vertical pilot hole 311 of middle lock 31 It is detached from from locking device, then, pulls up wind deflector, make the grab 22 of 2 front side portion of smoke deflector from the clamping portion of exhaust fume collecting hood 1 12 Middle disengaging, to complete to dismantle.

Claims (10)

1. a kind of smoke deflector locking mechanism for range hood leads cigarette including exhaust fume collecting hood (1) and below exhaust fume collecting hood (1) Plate (2), it is characterised in that：The left and right sides position of the smoke deflector (2) is respectively equipped with connecting pin (21), correspondingly, the collection Be provided with the locking mechanism (3) that can lock connecting pin (21) on petticoat pipe (1), the locking mechanism (3) include lock (31) with And lock pin (32), transmission mechanism and the touch part being arranged in lock (31), the bottom of the lock (31), which has, supplies the company The vertical pilot hole (311) that pin (21) enters, the connecting pin (21), which enters pilot hole (311), to touch the touch part Movement under to trigger transmission mechanism band pendulum lock pin (32) traversing so that lock pin (32) pass through the pilot hole (311) it is overhanging, To make the connecting pin (21) to lock.

2. the smoke deflector locking mechanism according to claim 1 for range hood, it is characterised in that：The transmission mechanism Input terminal connect a rotary shaft (6), the touch part is mounted on rotary shaft (6), and the connecting pin (21), which enters, vertically leads Touch part relative rotation axi (6) rotation is driven to hole (311), the transmission mechanism can be touched and with pendulum lock pin (32) It is sideways, outwardly extending, so that the connecting pin (21) be made to lock.

3. the smoke deflector locking mechanism according to claim 2 for range hood, it is characterised in that：The connecting pin (21) limiting slot (211) that can be inserted when side wall offers overhanging for the lock pin (32).

4. the smoke deflector locking mechanism according to claim 2 for range hood, it is characterised in that：The touch part packet Pushing block (4) and push rod (5) have been included, the pin shaft hinged for the pushing block (4) head, the pushing block are provided on the lock (31) (4) end is then hinged on the push rod (5) end by the axis parallel with pin shaft, and the head of the push rod (5) is hinged on institute It states on rotary shaft (6), and is connected with the first elastic component (41) in the middle part of the pushing block (4), first elastic component (41) One end is connected on the inner sidewall of the lock (31), and the other end is connected with the middle part of the pushing block (4), makes the pushing block (4) Always there is the trend for pulling down push rod (5).

5. the smoke deflector locking mechanism according to claim 3 for range hood, it is characterised in that：The transmission mechanism Include with the rotary shaft (6) coaxial arrangement and can same rotary shaft (6) connecting rod (7) and cam (8) that rotate coaxially, it is described The root of connecting rod (7) is connected on the rotary shaft (6), and the lock pin (32) matches with the cam (8) side wall, and in institute Stating makes lock pin (32) to be inserted into the limiting slot (211) under the driving of cam.

6. the smoke deflector locking mechanism according to claim 5 for range hood, it is characterised in that：The connecting rod (7) Head expand for substantially rounded attachment base (71), the central part of the attachment base (71) and the rotary shaft (6) are flat Capable connecting shaft is connected with the cam (8), and the inner sidewall of the attachment base (71) is provided at least the two of circumferentially shape distribution A section is the caulking groove (711) of right angled triangle, and the inclined surface of each caulking groove (711) rotates in one direction, and described The lateral wall of cam (8), which is recessed downwards, to be formed fluted (81), is connected with section also rectangular triangle in the groove (81) Convex block (9), the root of the convex block (9) is connected with the second elastic component (810), and second elastic component (810) makes described Convex block (9) head has the trend for exposing outside cam (8) lateral wall always, to make the connecting rod (7) can be by described convex Block (9) head forces in the cam (8) and drives the lock pin (32) overhanging or inside contract.

7. the smoke deflector locking mechanism according to claim 5 or 6 for range hood, it is characterised in that：The lock (31) interior that the cavity (30) for accommodating the connecting rod (7) and cam (8), institute are formed in the side of the vertical pilot hole (311) It states lock (31) side wall to offer slideway (312), slideway (312) both ends are open and are connected to the cavity (30) and described Vertical pilot hole (311), the lock pin (32) is then horizontal in the slideway (312), to realize and the cam (8) side wall It matches.

8. the smoke deflector locking mechanism according to claim 7 for range hood, it is characterised in that：The lock pin (32) Side wall be provided with guide channel (321), third elastic component (323) are equipped in the guide channel (321), so that the lock pin (32) is always With the trend returned back in the cavity (30).

9. the smoke deflector locking mechanism according to claim 8 for range hood, it is characterised in that：The third elasticity Part (323) is a compressed spring, and the compressed spring is embedded in the guide channel (321), and compressed spring one end is resisted against institute On the inner sidewall for stating lock (31), bottom of the other end against guide channel (321).

10. the smoke deflector locking mechanism for range hood according to claim 8 or claim 9, it is characterised in that：The cavity (30) plectrum (10) that can limit the cam (8) direction of rotation is rotatably connected in.