CN212815922U

CN212815922U - Air fryer timer

Info

Publication number: CN212815922U
Application number: CN202021546424.5U
Authority: CN
Inventors: 郝雪格; 王业珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-30
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an air fryer timer, which comprises a shell and a back bell arranged on the shell, wherein an escapement mechanism is arranged in the shell, a hammering piece is arranged in the inner cavity of the back bell, and the escapement mechanism comprises an escapement pitch pendulum, a timing main shaft positioned in the shell and a transmission wheel train positioned in the shell and rotating along with the timing main shaft; the inside of casing is equipped with a fixed axle, and rotatable cover is equipped with the brake on the fixed axle, and the pot head of brake is located on the fixed axle, and the other end is inconsistent with the escapement pendulum, and is equipped with first contact block on the brake, and first contact block passes the casing and contacts with hammering piece and timing cam respectively. The utility model discloses first contact piece on the brake contacts timing cam and hammering piece simultaneously for after escapement stop work, the timer takes place one and reports an emergency and asks for help or increased vigilance the sound, thereby eliminates and reports an emergency and asks for help or increased vigilance the disadvantage that the clock sound still can send the noise after crossing.

Description

Air fryer timer

Technical Field

The utility model belongs to the technical field of domestic appliance, in particular to air explodes a pot timer.

Background

Air fryers, as a new type of heating appliance, have come into every family. Currently, existing air fryer timers also suffer from certain deficiencies: when the set time is up, the alarm clock sounds, and the air fryer timer still can make a sound like a click within a certain time after the alarm clock sounds, and still is a noise interference source for a large number of people; and the transmission wheel train in the timer on the fryer is all metal parts, and the metal parts are seriously worn in cooperation and have short service life.

SUMMERY OF THE UTILITY MODEL

To the noise problem when the air fryer timer stops, the utility model provides an air fryer timer.

The utility model discloses an air fryer timer, include: the back bell comprises a shell and a back bell arranged on the shell, wherein an escapement mechanism is arranged in the shell, a hammer component is arranged in an inner cavity of the back bell, and the escapement mechanism comprises a timing main shaft positioned in the shell and a transmission gear train positioned in the shell and rotating along with the timing main shaft;

the escapement mechanism further comprises an escapement pendulum, a timing cam and a head wheel which can rotate along with the timing spindle are sequentially sleeved on the timing spindle from top to bottom, a driver serving as a power source is sleeved on the timing spindle between the head wheel and the shell, and a notch is formed in the working peripheral surface of the timing cam;

the escapement and the head wheel are connected together through the transmission gear train, and the transmission gear train is used for transmitting the rotating speed of the timing spindle to the escapement when the driver is released;

the inside of casing is equipped with a fixed axle, rotatable cover is equipped with the brake on the fixed axle, the pot head of brake is located on the fixed axle, the other end with the escapement pendulum is inconsistent, just be equipped with first contact piece on the brake, first contact piece passes the casing and respectively with beat hammer spare with the timing cam contacts.

Preferably, be located in the casing one side of timing main shaft, the interval is equipped with quiet reed and movable contact spring in proper order, be equipped with on the brake one side be equipped with the global contact of cam work first contact piece, the another side be equipped with the second contact piece of movable contact spring contact, first contact piece is located the breach of timing cam, movable contact spring and quiet reed separation, first contact piece is located the global of work of timing cam, the brake promotes movable contact spring makes movable contact spring and quiet reed contact switch on.

Preferably, the transmission wheel train comprises a first gear, a second gear, a third gear and a fourth gear which are sequentially meshed, the head wheel is meshed with the first gear, and the fourth gear drives the escapement to rotate.

Preferably, the timing main shaft is a plastic timing main shaft, each transmission gear in the transmission gear train is a plastic gear, the timing cam is a plastic timing cam, and the head wheel is a plastic head wheel.

Preferably, the housing comprises an upper cover and a lower cover, and the upper cover and the lower cover are connected together through screws.

Preferably, the upper cover is provided with a back bell with an open end and an inner cavity, the inner cavity of the back bell is internally provided with a hammer head for knocking the back bell to make a ringing sound, the hammer part is connected with the back bell through a pin shaft, and the hammer part can rotate around the pin shaft.

Preferably, an opening is formed in the upper cover, and the first contact block abuts against one end of the hammer through the opening.

Preferably, the lower cover is recessed inwardly to form a recess, the driver and the head pulley being located within the recess.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first contact block on the brake of the utility model contacts the timing cam and the hammer at the same time, so that the timer generates a sound for alarming after the escapement stops working, thereby eliminating the defect that the alarm clock still can generate noise after sounding;

2. each gear in the transmission gear train is a plastic gear, the plastic gears are convenient and quick to process, the defective rate is low, and the service life is long.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention without a back bell;

FIG. 3 is a schematic view of the mechanism inside the housing of the present invention;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a schematic diagram of the escapement mechanism of the present invention;

FIG. 6 is a schematic diagram of the transmission wheel system of the present invention;

fig. 7 is a schematic top view of the inside of the upper cover of the present invention.

Reference numerals

1. A housing; 11. a lower cover; 111. a groove; 12. an upper cover; 121. an opening; 2. timing the main shaft; 21. a timing cam; 22. a head pulley; 23. a driver; 3. carrying out a bell; 31. a hammering member; 32. a pin shaft; 4. catching the pitch; 5. a transmission wheel train; 51. a first gear; 511. a first pinion gear; 512. a first bull gear; 513. a first rotating shaft; 52. a second gear; 521. a second pinion gear; 522. a second bull gear; 523. a second rotating shaft; 53. a third gear; 531. a third bull gear; 532. a third pinion gear; 533. a third rotating shaft; 54. a fourth gear; 541. a fourth pinion gear; 542. a fourth bull gear; 543. a fourth rotating shaft; 6. a fixed shaft; 7. a brake; 71. a first contact block; 72. a second contact block; 8. a stationary reed; 9. and (5) a movable spring plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, an air fryer timer comprising: the timing mechanism comprises a shell 1, wherein an escapement mechanism is arranged in the shell 1, the escapement mechanism comprises a timing main shaft 2 positioned in the shell 1 and a transmission gear train 5 positioned in the shell 1 and rotating along with the timing main shaft 2, the timing main shaft 2 is a plastic timing main shaft 2, and each transmission gear in the transmission gear train 5 is a plastic gear.

Referring to fig. 3-5, the escapement further includes an escapement 4, a timing cam 21 and a head pulley 22 capable of rotating with the timing spindle 2 are sequentially sleeved on the timing spindle 2 from top to bottom, a driver 23 serving as a power source is sleeved on the timing spindle 2 between the head pulley 22 and the casing 1, the driver 23 is a driving spring, and functions as a clockwork spring; and the working peripheral surface of the timing cam 21 is provided with a notch;

further, the escapement 4 and the head wheel 22 are connected together through a transmission gear train 5, and the transmission gear train 5 is used for transmitting the rotating speed of the timing spindle 2 to the escapement 4 when the driver 23 is released;

still further, a stationary spring 8 and a movable spring 9 are sequentially arranged at intervals in one side of the timing main shaft 2 in the housing 1, a fixed shaft 6 is arranged at the bottom of the housing 1, a brake 7 is rotatably sleeved on the fixed shaft 6, one end of the brake 7 is sleeved on the fixed shaft 6, the other end of the brake is abutted against the escapement pendulum 4, a first contact block 71 in contact with the working peripheral surface of the cam is arranged on one side of the brake 7, a second contact block 72 in contact with the movable spring 9 is arranged on the other side of the brake, the first contact block 71 is positioned in a notch of the timing cam 21, the movable spring 9 is separated from the stationary spring 8, the first contact block 71 is positioned on the working peripheral surface of the timing cam 21, and the brake 7 pushes the movable spring 9 so that the movable spring 9 is in contact with the stationary spring 8.

Referring to fig. 6, the transmission train 5 includes a first gear 51, a second gear 52, a third gear 53 and a fourth gear 54 which are engaged with each other in sequence, and the head wheel 22 is engaged with the first gear 51, and the fourth gear 54 drives the escapement 4 to rotate.

The first gear 51 includes a first small gear 511, a first large gear 512, and a first rotating shaft 513, the first small gear 511 and the second large gear 522 are both sleeved on the first rotating shaft 513 and can rotate along with the first rotating shaft 513, the first rotating shaft 513 is disposed in the housing 1, and first rotating holes for the first rotating shaft 513 to be inserted are disposed on upper and lower end faces inside the housing 1. Similarly, the second gear 52 includes a second small gear 521, a second large gear 522 and a second rotating shaft 523; the third gear 53 includes a third pinion 532, a third large gear 531, and a third rotating shaft 533; the fourth gear 54 includes a fourth pinion gear 541, a fourth large gear 542, and a fourth rotation shaft 543, and the fourth large gear 542 is a ratchet having ratchet teeth. The cooperation of the transmission wheel 5 described above is prior art, as is the ratchet wheel cooperating with the escapement pendulum 4, and will not be elaborated upon here.

Further, the timing cam 21 is a plastic timing cam 21, and the head pulley 22 is a plastic head pulley 22. Therefore, all transmission gears in the timer are plastic gears, the plastic gears are convenient and fast to process, the defective rate is low, and the service life is long.

Referring to fig. 1, a housing 1 includes an upper cover 12 and a lower cover 11, the upper cover 12 and the lower cover 11 are connected together by screws, and the housing 1 is also a plastic housing 1.

Referring to fig. 7, the lower cover 11 is recessed inward to form a groove 111, and the driver 23 and the head pulley 22 are seated in the groove 111.

Referring to fig. 1 and 2, a back bell 3 with an open end and an inner cavity is arranged on the upper cover 12, a hammer piece 31 with a hammer head for knocking the back bell 3 to generate a beating sound is arranged in the inner cavity of the back bell 3, the hammer piece 31 is connected with the back bell 3 through a pin shaft 32, and the hammer piece 31 can rotate around the pin shaft 32.

Further, an opening 121 is formed in the upper cover 12, and the first contact block 71 abuts against one end of the hammer 31 through the opening 121. And this hammering piece 31 becomes L type, and the cover is equipped with the torsional spring on the round pin axle 32, and when first contact block 71 was located the work global of timing cam 21, hammering piece 31 was inconsistent with first contact block 71 under the effect of torsional spring for the tup of hammering piece 31 does not contact with back bell 3, and when first contact block 71 was located the breach of timing cam 21, first contact block 71 promoted hammering piece 31 and rotated around round pin axle 32, made hammering piece 31 and back bell 3 collide with each other, sounded. The first contact block on the brake contacts the timing cam and the hammer at the same time, so that the timer makes an alarm sound after the escapement stops working, thereby eliminating the disadvantage that the alarm clock still makes noise after the alarm clock sounds

The utility model discloses a theory of operation and process are as follows:

firstly, a timing main shaft 2 in the timer rotates clockwise by a certain angle under the action of an external force and drives a head wheel 22 and a timing cam 21 to rotate simultaneously, and at the moment, a driver 23 is curled and deformed to accumulate certain elastic potential energy; meanwhile, the first contact block 71 on the brake 7 climbs up the working peripheral surface of the timing paint from the gap of the timing cam 21, at this time, the first contact block 71 generates a certain displacement at the opening 121 of the upper cover 12, the hammer 31 is always abutted against the first contact block 71 under the elastic force of the torsion spring, so that the hammer head of the hammer 31 is far away from the back bell 3; after the external force is relieved, the driver 23 releases the capacity to drive the timing main shaft 2, the head wheel 22 and the transmission gear train 5 to rotate, the timing grabbing circumference drives each gear to rotate at a constant speed from the position set by the external force, the timing starts, the movable reed 9 and the static reed 8 are in contact conduction under the pushing of the brake 7, power is supplied to the air fryer, and the air fryer starts to work; when the timing time is over, all the devices return to the initial state, and the first contact block 71 pushes the hammer 31 to rotate around the pin shaft 32, so that the hammer 31 collides with the back bell 3 to make a sound, thereby reminding the user of the end of the work.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air fryer timer, comprising: the back bell comprises a shell and a back bell arranged on the shell, wherein an escapement mechanism is arranged in the shell, a hammer component is arranged in an inner cavity of the back bell, and the escapement mechanism comprises a timing main shaft positioned in the shell and a transmission gear train positioned in the shell and rotating along with the timing main shaft;

2. The air fryer timer according to claim 1, wherein a stationary spring and a movable spring are sequentially provided at intervals in the housing on one side of the timing main shaft, the brake is provided with a first contact block on one side contacting the working peripheral surface of the cam, and a second contact block on the other side contacting the movable spring, the first contact block is located in the notch of the timing cam, the movable spring and the stationary spring are separated, the first contact block is located on the working peripheral surface of the timing cam, and the brake pushes the movable spring to make the movable spring and the stationary spring contact and conduct.

3. The air fryer timer according to claim 1, wherein said drive train comprises a first gear, a second gear, a third gear and a fourth gear sequentially engaged with each other, and wherein said head wheel is engaged with said first gear and said fourth gear drives said escapement to rotate.

4. The air fryer timer of claim 1, wherein said timing spindle is a plastic timing spindle, each drive gear in said drive train is a plastic gear, said timing cam is a plastic timing cam, and said head wheel is a plastic head wheel.

5. The air fryer timer of claim 1, wherein said housing comprises an upper cover and a lower cover, said upper cover and said lower cover being bolted together.

6. The air fryer timer according to claim 5, wherein said back bell having an open end and an interior is disposed on said upper cover, said back bell having an interior chamber with said hammer member having a hammer head for striking said back bell to produce a ringing sound, said hammer member being connected to said back bell by a pin, and said hammer member being rotatable about said pin.

7. The air fryer timer of claim 6, wherein said upper cover defines an opening through which said first contact block abuts an end of said hammer member.

8. The air fryer timer of claim 5, wherein said lower cover is recessed to form a recess, said driver and said head wheel being located within said recess.