CN211788757U

CN211788757U - Novel key switch exhaust control assembly

Info

Publication number: CN211788757U
Application number: CN201922232574.2U
Authority: CN
Inventors: 刘世文
Original assignee: Chinabest Home Appliances Co Ltd
Current assignee: Chinabest Home Appliances Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-10-27
Anticipated expiration: 2029-12-12

Abstract

The utility model relates to a novel key switch exhaust control assembly, which comprises a switch shell and an exhaust pipe, wherein the exhaust pipe is provided with a cover plate and a driving motor, a conducting plate and a motor switch plate are arranged in the switch shell, a plurality of gear switches are arranged on the switch shell, a first reset spring is arranged between the gear switches and the switch shell, the technical key points are that a linkage plate which is driven by the gear switches to move and drives the conducting plate to be electrically connected with the motor switch plate after the gear switches are pressed down is arranged in the switch shell, a locking plate assembly which can lock the gear switches after the gear switches are pressed down is also arranged in the switch shell, a blocking plate which locks other gear switches is pushed by the gear switches to move after one of the gear switches is pressed down and a power switch which pushes the locking plate assembly to unlock the gear switches after being pressed down, a second reset spring is arranged between the power switch and the, and a third reset spring for resetting the elastic linkage piece is arranged in the switch shell. The utility model discloses simple, control is convenient.

Description

Novel key switch exhaust control assembly

[ technical field ] A method for producing a semiconductor device

The utility model relates to a switch module on smoke ventilator.

[ background of the invention ]

When people cook in a kitchen, the situation that the negative pressure of the kitchen is too large and air does not enter the kitchen when a smoke machine works, the smoke machine does not work smoothly, the temperature of a motor is too high, and the motor is burnt out is often encountered, so that the service life of the smoke machine is greatly shortened. Some existing cigarette machines are provided with exhaust machines to exhaust indoor air to the outdoor, but the existing cigarette machines are controlled independently, can be forgotten to be opened frequently, and are inconvenient to use.

[ Utility model ] content

The utility model aims at overcoming the not enough of prior art, providing a simple structure, control convenient novel key switch exhaust control assembly.

In order to solve the problem, the utility model adopts the following technical scheme:

the utility model provides a novel key switch exhaust control assembly, includes switch housing and blast pipe, the blast pipe on articulated have a cover plate that can close in the blast pipe, be equipped with the drive cover plate on the blast pipe and rotate the driving motor who opens or close in with the blast pipe, gear switch and switch housing between be equipped with first reset spring, switch housing in be equipped with the conducting strip, with the electrically conductive motor switch piece that links to each other of driving motor, switch housing on be equipped with a plurality of one ends insert in the casing and can be pressed the electrically conductive gear switch that links to each other of back and conducting strip, its characterized in that: the switch shell in be equipped with and drive the linkage piece that motor switch piece and conducting strip link to each other by gear switch drive removal after gear switch is pressed, the switch shell in still be equipped with can pin gear switch's locking plate subassembly after gear switch is pressed, push away the separation blade that removes and pin other gear switch by gear switch after one of them gear switch is pressed and push away the locking plate subassembly unblock gear switch's switch of locking plate subassembly after being pressed, switch and switch shell between be equipped with second reset spring, switch shell in be equipped with the third reset spring that the linkage piece resets of bullet pressure.

Novel key switch exhaust control assembly as above, its characterized in that: the locking plate subassembly include the locking plate, the locking plate on be equipped with a plurality of locking plate breachs, gear switch on be equipped with the first boss of top in the locking plate bottom surface, first boss on be equipped with the first inclined plane of pressing on locking plate breach one side, the locking plate subassembly still include when first boss leaves the locking plate breach downwards and suppress the locking plate and remove the locking plate spring that resets that makes the locking plate bottom surface be located first boss top.

Novel key switch exhaust control assembly as above, its characterized in that: the linkage piece on be equipped with the separation blade breach, gear switch on be equipped with the fourth inclined plane of top pressure at the separation blade breach.

Novel key switch exhaust control assembly as above, its characterized in that: the gear switch on be equipped with can be blocked the second boss of downward removal by the separation blade, the second boss on be equipped with the second inclined plane, the separation blade on be equipped with the separation blade inclined plane that can paste with the second inclined plane and lean on.

Novel key switch exhaust control assembly as above, its characterized in that: the conducting plate is provided with a first switch plate which can be in conductive connection with the motor switch plate, and the linkage plate is provided with a linkage shifting plate which is pushed to move to shift the motor switch plate to be in contact with the first switch plate.

Novel key switch exhaust control assembly as above, its characterized in that: the conducting strip on be equipped with the second switch piece, gear switch in be equipped with the appearance dress groove, the appearance dress inslot in be equipped with the gear switch piece that electrically conducts the contact with the second switch piece after gear switch pushes down, the appearance dress inslot still be equipped with and suppress gear switch piece top and lean on the elastic component at appearance dress inslot wall.

Novel key switch exhaust control assembly as above, its characterized in that: the power switch on be equipped with the third boss, the third boss on be equipped with when power switch down crowded third inclined plane of pushing gear switch unblock.

Novel key switch exhaust control assembly as above, its characterized in that: the cover plate on be equipped with the pivot of pegging graft with driving motor's motor shaft, the pivot on first portion and the second portion of splining, the blast pipe outside be equipped with block the first portion of splining and the second portion of splining stop the portion of splining, the blast pipe on be equipped with the extension spring that the rotation of suppress pivot resets.

The beneficial effects of the utility model are that: the conducting strip is connected with the power, gear switch is pressed the back, electrically conductive connection with the conducting strip, form the return circuit, make the cigarette machine enter into different gear work, for example low-grade, medium-grade, high-grade, and gear switch drives the conducting strip and electrically conducts with the motor switch piece after being pressed and links to each other, driving motor switch on and start, drive the cover plate and rotate, be in the open mode with the blast pipe, be convenient for exhaust, thereby realize coordinated control, through designing the separation blade, after one of them gear switch is pressed, the separation blade is promoted, remove to other gear switch below, block other gear switches, prevent that gear switch from being pressed simultaneously, moreover, the steam generator is simple in structure, and convenient to use.

[ description of the drawings ]

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the switch housing of the present invention;

fig. 3 is a front view of the components of the switch housing of the present invention;

fig. 4 is a perspective view of a switch housing according to the present invention;

fig. 5 is an exploded view of the exhaust pipe of the present invention.

[ detailed description ] embodiments

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1 to 5, a novel key switch exhaust control assembly, including switch housing 1 and exhaust pipe 11, it has cover plate 12 that can close in the exhaust pipe 11 to articulate on the exhaust pipe 11, be equipped with on the exhaust pipe 11 and drive cover plate 12 and rotate the driving motor 13 who opens or close in the exhaust pipe 11, the exhaust pipe 11 is the pipe form, cover plate 12 is circular, the diameter slightly is less than the exhaust pipe 11 internal diameter, when cover plate 12 is horizontal, exhaust pipe 11 is in the closed condition, when exhaust pipe 11 is vertical, exhaust pipe 11 is in the biggest open condition. A rotating shaft 16 inserted with a motor shaft of the driving motor 13 is arranged on the cover plate 12, a first rotation stopping part 17 and a second rotation stopping part 18 are arranged on the rotating shaft 16, a blocking part 19 for blocking the first rotation stopping part 17 and the second rotation stopping part 18 is arranged outside the exhaust pipe 11, and the blocking part 19 of the second rotation stopping part 18 is arranged when the exhaust pipe 11 is in a maximum opening state after the driving motor 13 is started; after the driving motor 13 rotates reversely, when the exhaust pipe 11 is in a closed state, the blocking portion 19 blocks the first rotation stopping portion 17, the exhaust pipe 11 is provided with a tension spring 20 for biasing the rotating shaft 16 to rotate and reset, after the power failure, the tension spring 20 rotates and resets the rotating shaft 16, the tension spring 20 is arranged on the exhaust pipe 11, the other end of the tension spring is fixed on the rotating shaft 16 at a position deviating from a rotating center, and the exhaust pipe 11 is in a closed state. Be equipped with conducting strip 5 in the switch casing 1, the motor switch piece 50 that electrically conducts continuous with driving motor 13, motor switch piece 50 passes through the wire and is connected with driving motor 13 is electrically conducted, conducting strip 5 links to each other with the power, motor switch piece 50 and conducting strip 5 contact back, driving motor 13 inserts the power and starts, be equipped with a plurality of one ends on the switch casing 1 and insert casing 1 in and can be pressed the electrically conductive gear switch 3 that links to each other with conducting strip 5 after, gear switch 3's conductive part and external circuit are connected, after gear switch 3 and conducting strip 5 communicate, circuit part start control cigarette machine starts. In this embodiment, three gear switches 3 are provided, which are respectively a low gear, a medium gear, and a high gear. Be equipped with first reset spring 4 between gear switch 3 and the switch casing 1, every gear switch 3 corresponds and sets up a first reset spring 4, and first reset spring 4 will be bounced by the gear switch 3 that is pressed down. The switch shell 1 is internally provided with a linkage sheet 6 which is driven by the gear switch 3 to move after the gear switch 3 is pressed down so as to drive the conducting sheet 5 to be electrically connected with the motor switch sheet 50, and after the linkage sheet 6 is extruded and moved, the linkage sheet 6 shifts the conducting sheet 5 so that the motor switch sheet 50 is contacted with the conducting sheet 5. The switch shell 1 is also internally provided with a locking plate assembly 7 which can lock the gear switch 3 after the gear switch 3 is pressed down, the locking plate assembly is pushed by the gear switch 3 to move after one gear switch 3 is pressed down and locks the blocking piece 8 of other gear switches 3 and a power switch 2 which pushes the locking plate assembly 7 to unlock the gear switch 3 after being pressed down, the power switch 2 is reset by the pressed gear switch 3 after being pressed down, a second reset spring 14 is arranged between the power switch 2 and the switch shell 1, the power switch 2 is bounced by the second reset spring 14, a third reset spring 15 which can suppress the linkage piece 6 to reset is arranged in the switch shell 1, and the linkage piece 6 is suppressed to reset by the third reset spring 15 after being pushed by the gear switch 3.

The locking plate assembly 7 comprises a locking plate 71, a plurality of locking plate notches 72 are arranged on the locking plate 71, a first boss 31 which is pressed against the bottom surface of the locking plate 71 is arranged on the gear switch 3, a first inclined surface 32 which is pressed against one side of the locking plate notch 72 is arranged on the first boss 31, the first inclined surface 32 is obliquely arranged, the locking plate 71 is pushed to horizontally move when the gear switch 3 moves vertically, the locking plate assembly 7 also comprises a locking plate reset spring 73 which can elastically press the locking plate 71 to move when the first boss 31 leaves the locking plate notch 72 downwards to enable the bottom surface of the locking plate 71 to be positioned above the first boss 31, when the gear switch 3 continues to vertically move the first protrusion 31 to disengage from the locking plate notch 72, the locking plate reset spring 73 biases the locking plate 71 to reset, at this time, the bottom surface of the locking plate 71 is above the first protrusion 31, under the action of the first return spring 4, the top surface of the first boss 31 presses against the bottom surface of the locking piece 71, so that the shift switch 3 cannot be returned upward. The linkage piece 6 is provided with a baffle notch 61, the gear switch 3 is provided with a fourth inclined surface 30 which is pressed against the baffle notch 61, the linkage piece 6 also moves transversely through the extrusion effect of the fourth inclined surface 30, and the first inclined surface 32 and the fourth inclined surface 30 are arranged in central symmetry with the gear switch 3.

The gear switch 3 is provided with a second boss 33 which can be blocked by the blocking sheet 8 to move downwards, the second boss 33 is provided with a second inclined surface 34, the blocking sheet 8 is provided with a blocking sheet inclined surface 81 which can be attached to the second inclined surface 34, when the blocking sheet inclined surface 81 is attached to the second inclined surface 34, the pressed gear switch 3 moves downwards and transversely through the action of the inclined surface, the blocking sheet 8 moves transversely and then is positioned below the second boss 33 on the gear switch 3 which is not pressed, and at the moment, if other gear switches 3 are pressed, the second boss 33 is blocked by the blocking sheet 8 and can not move downwards continuously. In this embodiment, three gear switches 3 are provided, two blocking pieces 8 are provided, each blocking piece 8 has two blocking piece inclined surfaces 81, and the middle gear switch 3 is located between the two blocking pieces 8 and has two second inclined surfaces 34. When the middle gear switch 3 is pressed down, the two blocking pieces 8 are pushed to move towards the left side and the right side. Be equipped with third boss 21 on switch 2, be equipped with on the third boss 21 and push away the third inclined plane 22 of locking plate subassembly 7 with the unblock of gear switch 3 when switch 2 pushes down, third inclined plane 22 pastes with the edge of locking plate subassembly 7 and leans on, push away locking plate subassembly 7 lateral shifting through the effect on inclined plane, behind the locking plate subassembly 7 lateral shifting, locking plate subassembly 7 removes the lock-out state, locking plate subassembly 7 is not blocking gear switch 3, gear switch 3 resets under first reset spring 4's effort.

The conducting strip 5 is provided with a first switch plate 51 which can be electrically connected with the motor switch plate 50, the first switch plate 51 is an elastic plate, the linkage plate 6 is provided with a linkage shifting plate 62 which shifts the first switch plate 51 to be contacted with the motor switch plate 50 when the linkage plate 6 is pushed to move, and the linkage shifting plate 62 shifts the first switch plate 51 to be elastically deformed, so that the first switch plate 51 is bent towards the motor switch plate 50 to be contacted. The conducting strip 5 is provided with a second switch piece 52, the gear switch 3 is provided with a containing groove 35, the containing groove 35 is internally provided with a gear switch piece 36 which is in conductive contact with the second switch piece 52 after the gear switch 3 is pressed down, one end of the gear switch piece 36 extends out of the switch shell 1 and is connected with an external control circuit, the containing groove 35 is also provided with an elastic piece 37 which is used for pressing the gear switch piece 36 to abut against the inner wall of the containing groove 35, and the elastic piece 37 can prevent the second switch piece 52 from rigidly colliding with the second switch piece 52. The existing cigarette machine generally has an illumination function, and an illumination switch can be arranged on the switch shell 1 and is contacted with the conducting strip 5 after being pressed down to control illumination.

Claims

1. The utility model provides a novel key switch exhaust control assembly, includes switch casing (1) and blast pipe (11), blast pipe (11) on articulated have cover plate (12) that can close in blast pipe (11), blast pipe (11) on be equipped with drive cover plate (12) and rotate driving motor (13) of opening or closing in with blast pipe (11), switch casing (1) in be equipped with conducting strip (5), with driving motor (13) electrically conductive motor switch piece (50) that link to each other, switch casing (1) on be equipped with a plurality of one ends and insert casing (1) in and can be pressed back and electrically conductive gear switch (3) that link to each other with conducting strip (5), gear switch (3) and switch casing (1) between be equipped with first reset spring (4), its characterized in that: a linkage sheet (6) which is driven by the gear switch (3) to move after the gear switch (3) is pressed down so as to drive the conducting sheet (5) to be electrically connected with the motor switch sheet (50) is arranged in the switch shell (1), the switch shell (1) is also internally provided with a locking plate component (7) which can lock the gear switches (3) after the gear switches (3) are pressed down, a blocking piece (8) which is pushed by the gear switches (3) to move to lock other gear switches (3) after one gear switch (3) is pressed down, and a power switch (2) which pushes the locking plate component (7) to unlock the gear switches (3) after being pressed down, a second return spring (14) is arranged between the power switch (2) and the switch shell (1), and a third reset spring (15) for resetting the elastic linkage sheet (6) is arranged in the switch shell (1).

2. The novel piano key switch exhaust control assembly of claim 1, wherein: locking plate subassembly (7) including locking plate (71), locking plate (71) on be equipped with a plurality of locking plate breach (72), gear switch (3) on be equipped with first boss (31) that can push up in locking plate (71) bottom surface, first boss (31) on be equipped with the first inclined plane (32) of pressing in locking plate breach (72) one side, locking plate subassembly (7) still include when first boss (31) leave locking plate breach (72) downwards spring pressure locking plate (71) remove and make locking plate (71) bottom surface be located locking plate (31) spring (73) that resets of first boss (31) top.

3. The novel piano key switch exhaust control assembly of claim 1, wherein: the linkage piece (6) is provided with a separation blade gap (61), and the gear switch (3) is provided with a fourth inclined surface (30) which is pressed against the separation blade gap (61).

4. The novel piano key switch exhaust control assembly of claim 1, wherein: gear switch (3) on be equipped with and to be blocked the second boss (33) of downward movement by separation blade (8), second boss (33) on be equipped with second inclined plane (34), separation blade (8) on be equipped with separation blade inclined plane (81) that can paste with second inclined plane (34) and lean on.

5. The novel piano key switch exhaust control assembly of claim 1, wherein: the electric switch is characterized in that a first switch piece (51) which can be electrically connected with the motor switch piece (50) is arranged on the conducting piece (5), and a linkage shifting piece (62) which can shift the motor switch piece (50) to be contacted with the first switch piece (51) when the linkage piece (6) is pushed to move is arranged on the linkage piece (6).

6. The novel piano key switch exhaust control assembly of claim 1, wherein: conducting strip (5) on be equipped with second switch piece (52), gear switch (3) in be equipped with and hold dress groove (35), hold dress groove (35) built-in be equipped with gear switch piece (36) of electrically conductive contact with second switch piece (52) after gear switch (3) push down, hold dress groove (35) in still be equipped with elastic component (37) that suppress gear switch piece (36) top and lean on at holding dress groove (35) inner wall.

7. The novel piano key switch exhaust control assembly of claim 1, wherein: the power switch (2) on be equipped with third boss (21), third boss (21) on be equipped with when power switch (2) down crowded third inclined plane (22) that push gear switch (3) unblock.

8. The novel piano key switch exhaust control assembly of claim 1, wherein: cover plate (12) on be equipped with pivot (16) of pegging graft with the motor shaft of driving motor (13), pivot (16) on first portion (17) and the second portion (18) of splining, blast pipe (11) be equipped with block portion (19) that block first portion (17) and the second portion (18) of splining outward, blast pipe (11) on be equipped with spring pressure pivot (16) and rotate extension spring (20) that reset.