阅读说明：本技术 一种耐用寿命较高的微波炉定时器 (Durable microwave oven timer with long service life ) 是由 余斯凡 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种耐用寿命较高的微波炉定时器,涉及微波炉技术领域,包括定时器壳体,所述定时器壳体一侧设有两个定时转轴,且定时器壳体后侧固定安装有保护壳,且保护壳内传动安装有凸轮,所述凸轮外侧壁啮合有传动框,且传动框一侧铰接有主变速齿轮。本发明通过设置主变速齿轮和副变速齿轮,马达通电开始动作,处于定时状态,预定时间走完,同时主变速齿轮拉动第一杠杆复原,并副变速齿轮带动一侧第二杠杆带动动簧片转动与静簧片脱开,电源切断,此时能够停止电路连通,停止电磁炉工作,从而能够通过主变速齿轮以及副变速齿轮的调节配合转动定时精度,有效提高定时调节的精度,满足使用适配性。(The invention discloses a microwave oven timer with longer service life, which relates to the technical field of microwave ovens and comprises a timer shell, wherein two timing rotating shafts are arranged on one side of the timer shell, a protective shell is fixedly arranged on the rear side of the timer shell, a cam is arranged in the protective shell in a transmission manner, a transmission frame is meshed with the outer side wall of the cam, and a main transmission gear is hinged to one side of the transmission frame. According to the invention, through arranging the main speed change gear and the auxiliary speed change gear, the motor starts to act when being electrified, is in a timing state, and runs out in a preset time, meanwhile, the main speed change gear pulls the first lever to recover, the auxiliary speed change gear drives the second lever on one side to drive the movable spring leaf to rotate and separate from the static spring leaf, the power supply is cut off, at the moment, the circuit communication can be stopped, and the work of the induction cooker is stopped, so that the rotation timing precision can be matched through the adjustment of the main speed change gear and the auxiliary speed change gear, the timing adjustment precision is effectively improved, and the.)

1. A timer for a microwave oven having a long life, comprising:

timer casing (1), timer casing (1) one side is equipped with two timing pivot, and timer casing (1) rear side fixed mounting has protective housing (2), and protective housing (2) internal transmission installs cam (4), cam (4) lateral wall meshing has transmission frame (3), and transmission frame (3) one side articulates there is main change gear (5), and transmission frame (3) opposite side articulates there is a plurality of drive gear (10), and one side drive gear (10) one side meshing has vice change gear (11), and transmission frame (3) one side still has motor (22) through the transmission meshing, motor (22) fixed mounting is in timer casing (1) inner chamber one side, main change gear (5) one side meshing has first lever (9), and first lever (9) articulate in timer casing (1) inner chamber.

2. The microwave oven timer with long service life according to claim 1, wherein a first terminal (17) is attached to the bottom of the first lever (9), a static reed (14) is movably connected to one side of the first terminal (17) through a quick assembling mechanism (8), a conductive seat (16) is sleeved on the outer side wall of the static reed (14), the conductive seat (16) is fixedly installed in the inner cavity of the timer shell (1), a movable reed (13) is attached to the other end of the static reed (14), a second lever (12) is attached to one side of the movable reed (13), the second lever (12) is hinged to the inner cavity of the protective shell (2), and the other side of the second lever (12) is meshed with the auxiliary speed change gear (11);

the timer shell (1) is characterized in that a limiting plate (15) is arranged on one side of an inner cavity of the timer shell (1), the limiting plate (15) is located on one side of the second lever (12), a limiting column (19) is fixedly connected to one side of the inner cavity of the timer shell (1), a second terminal (18) is attached to one side of the limiting column (19), the second terminal (18) is located at the bottom of the first terminal (17), a discharging mechanism (6) is attached to the bottom of the second terminal (18), an anti-oxidation mechanism (7) is attached to the bottom of the second terminal (18), and a timing rotating shaft is meshed with the main speed change gear (5) and the auxiliary speed change gear (11) respectively.

3. The microwave oven timer with long service life according to claim 2, wherein the discharging mechanism (6) comprises a fixed seat (602), the fixed seat (602) is fixedly connected to the bottom of the timer housing (1), a telescopic rod (603) is fixedly connected to the bottom of the inner cavity of the fixed seat (602), a knocking block (601) is fixedly connected to the top end of the telescopic rod (603), the top of the knocking block (601) is attached to the bottom of the second terminal (18), a first spring (604) is sleeved on the outer side wall of the telescopic rod (603), and two ends of the first spring (604) are respectively and fixedly connected to the corresponding positions of the knocking block (601) and one side of the inner cavity of the fixed seat (602).

4. The durable and long-life timer for microwave oven according to claim 1, wherein the bell weight (20) is connected to the inner cavity of the protective case (2) through a screw thread, and a motor (22) is attached to one side of the bell weight (20), the motor (22) is hinged to one end of the first lever (9) through a screw, and the diameter of the bell (21) is smaller than that of the inner cavity of the protective case (2).

5. The microwave oven timer according to claim 2, wherein the anti-oxidation mechanism (7) comprises an electric contact absorber (704), one side of the electric contact absorber (704) is attached to one side of a contact of the first terminal (17), a base (702) is fixedly connected to the bottom of the electric contact absorber (704), sliding sleeves are embedded on two sides of the bottom of the base (702), sliding rods (703) are slidably connected in the sliding sleeves, the top ends of the sliding rods (703) are fixedly connected to the bottom of the first terminal (17), a top block is fixedly connected to the bottom ends of the sliding rods (703), a second spring (701) is sleeved on the outer side wall of the sliding rods (703), and two ends of the second spring (701) are fixedly connected to the top block and one side of the sliding sleeves in corresponding positions.

6. The microwave oven timer with long service life as claimed in claim 2, wherein the fast-assembling mechanism (8) comprises a clamping seat (801), one side of the clamping seat (801) is attached to one side of the stationary spring (14), a clamping block (802) is clamped in the clamping seat (801), one side of the clamping block (802) is fixedly connected to one side of the first terminal (17), a clamping hole (806) is formed in the top of the clamping block (802), a clamping rod (804) is clamped in the clamping hole (806), a clamping sleeve is sleeved on the outer side wall of the clamping rod (804), the clamping sleeve is embedded in the top of the inner cavity of the clamping seat (801), a third spring (805) is sleeved on the outer side wall of the clamping rod (804), and two sides of the third spring (805) are respectively and fixedly connected to the clamping block (802) and one side of the inner cavity of the clamping seat (801) in.

7. The durable high-life timer for microwave ovens according to claim 5, wherein the cross-sectional shapes of the sliding rod (703) and the sliding sleeve are both circular.

8. The timer of claim 3, wherein the top of the fixing base (602) is opened, and the diameter of the top opening of the fixing base (602) is larger than the diameters of the telescopic rod (603) and the striking block (601).

9. The high durability microwave oven timer according to claim 3, wherein the striking block (601) is a plastic block, and the striking block (601) is non-conductive.

10. The timer of claim 6, wherein a conductive plate (803) is fixedly connected to one side of the cavity of the card holder (801), and one side of the conductive plate (803) is attached to one side of the card holder (802).

Technical Field

The invention relates to the field of microwave ovens, in particular to a microwave oven timer with longer service life.

Background

The microwave oven is a heating appliance generated by microwave heating, can quickly perform microwave heating on solid or liquid placed on the inner wall, is uncontrollable in the microwave heating process, generally controls the heating temperature control effect only through heating time, and therefore a microwave oven timer becomes an indispensable component.

The control of microwave oven timer among the prior art is many to realize through simple motor resetting, it is not good to the location effect of different length of time, microwave heating is regularly more used for the accurate timing in preceding 3 minutes, if long-time only influence binding post's positioning accuracy easily to this regional rotation of small amplitude, lead to resetting outage ageing appearance deviation, wiring formula switch still has certain electric load when the outage simultaneously, this just leads to binding post to absorb outside dust and take place the oxidation with the terminal material because of residual load electron easily, influence binding post's durable life, can't satisfy whole use needs.

Disclosure of Invention

The invention aims to provide a microwave oven timer with longer service life, which can realize precise control on short-time and long-time timing and prolong the service life.

The technical purpose of the invention is realized by the following technical scheme: a timer for a microwave oven having a high durability and a long life, comprising: timer casing, timer casing one side is equipped with two timing pivot, and timer casing rear side fixed mounting has the protective housing, and the cam is installed in the protective housing transmission, the meshing of cam lateral wall has the transmission frame, and transmission frame one side articulates there is main change gear, and transmission frame opposite side articulates there is a plurality of drive gear, and the meshing of one side drive gear one side has vice change gear, and transmission frame one side still has the motor through the transmission meshing, motor fixed mounting is in timer casing inner chamber one side, main change gear one side meshing has first lever, and first lever articulates at timer casing inner chamber.

Furthermore, a first terminal is attached to the bottom of the first lever, one side of the first terminal is movably connected with a static reed through a quick assembly mechanism, the outer side wall of the static reed is sleeved with a conductive seat which is fixedly arranged in the inner cavity of the timer shell, the other end of the static reed is attached with a movable reed, one side of the movable reed is attached with a second lever, the second lever is hinged in the inner cavity of the protective shell, the other side of the second lever is meshed with the auxiliary speed change gear, one side of the inner cavity of the timer shell is provided with a limit plate, a limit plate is positioned at one side of the second lever, one side of the inner cavity of the timer shell is fixedly connected with a limit post, one side of the limit post is jointed with a second terminal, and the second terminal is positioned at the bottom of the first terminal, the bottom of the second terminal is attached with a discharge mechanism, the bottom of the second terminal is attached with an anti-oxidation mechanism, and the timing rotating shaft is respectively meshed with the main speed change gear and the auxiliary speed change gear.

Further, discharge mechanism includes the fixing base, fixing base fixed connection is in timer housing bottom, fixing base inner chamber bottom fixedly connected with telescopic link, telescopic link top fixedly connected with strikes the piece, strike a top and laminate with second terminal bottom, telescopic link lateral wall cover is equipped with first spring, first spring both ends correspond position fixed connection with striking piece and fixing base inner chamber one side respectively.

Furthermore, the protective housing inner chamber has the bell hammer through screw threaded connection, and the laminating of bell hammer one side has the motor, the motor passes through the screw and articulates with first lever one end mutually, and the diameter of ringing is less than the diameter of protective housing inner chamber.

Furthermore, the anti-oxidation mechanism comprises an electric contact, one side of the electric contact is attached to one side of the first terminal contact, the bottom of the electric contact is fixedly connected with a base, sliding sleeves are embedded in two sides of the bottom of the base, sliding rods are connected in the sliding sleeves in a sliding mode, the top ends of the sliding rods are fixedly connected with the bottom of the first terminal, ejector blocks are fixedly connected to the bottom ends of the sliding rods, second springs are sleeved on the outer side walls of the sliding rods, and two ends of each second spring are fixedly connected with the ejector blocks and one side of each sliding sleeve in a corresponding position.

Further, fast-assembling mechanism includes the cassette, cassette one side and stationary reed one side are laminated mutually, the joint has the fixture block in the cassette, fixture block one side and first terminal one side fixed connection, the card hole has been seted up at the fixture block top, the joint has the kelly in the card hole, the kelly lateral wall cover is equipped with the cutting ferrule, the cutting ferrule inlays and locates cassette inner chamber top, the kelly lateral wall cover is equipped with the third spring, the third spring both sides correspond position fixed connection with fixture block and cassette inner chamber one side respectively.

Furthermore, the cross section shapes of the sliding rod and the sliding sleeve are both circular.

Furthermore, the opening is opened at the top of the fixing seat, and the diameter of the opening at the top of the fixing seat is larger than the diameter of the telescopic rod and the diameter of the knocking block.

Furthermore, the knocking block is a plastic block and is not conductive.

Furthermore, one side of the inner cavity of the clamping seat is fixedly connected with a conducting strip, and one side of the conducting strip is attached to one side of the clamping block.

Compared with the prior art, the scheme has the beneficial effects that:

1. when timing is needed, the timing rotating shafts on two sides can adjust reset aging according to the main speed changing gear and the auxiliary speed changing gear which are connected, when the timing rotating shafts rotate, the cam which is matched with the timing rotating shafts is driven, the cam rotates and extrudes the transmission frame on one side, the transmission frame pulls the main speed changing gear to drive the first lever which is meshed on one side to move downwards, the first lever moves downwards to push the first terminal to be connected with the second terminal, at the moment, the motor is electrified to start to act, the timing state is achieved, the preset time is finished, meanwhile, the main speed changing gear pulls the first lever to recover, the auxiliary speed changing gear drives the second lever on one side to drive the movable spring piece to rotate and separate from the static spring piece, the power supply is cut off, at the moment, the circuit communication can be stopped, the work of the electromagnetic oven is stopped, and the timing precision can be rotated by the adjustment and, the timing adjustment precision is effectively improved, and the use adaptability is met;

2. this scheme is through setting up anti-oxidation mechanism and discharge mechanism, when first lever drives the contact of the first terminal of one end and bottom second terminal contact, the second terminal can atress downstream, the second terminal atress removes can with strike the piece contact, thereby can get rid of the attachment on second terminal surface through strikeing, and when the contact on second terminal surface separates with first terminal, the electricity absorption contact that can laminate through one side absorbs electric load, and then can absorb and emit the negative charge that the second resistance surface was saved through rocking of electricity absorption contact, thereby can effectively prolong the life of durability of top second terminal, the durability of extension timing component, satisfy whole user demand.

3. This scheme is through setting up first terminal, and when first terminal one end wearing and tearing were ageing, can shift out the card hole through pulling the kelly in cutting ferrule and cassette, can shift out in the cassette with first terminal pulling drive fixture block this moment to can dismantle the change with first terminal fast, can change the just dress ability that effectively improves first terminal through the modular assembly, effectively improve life.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear side partial cross-sectional structural view of the present invention;

FIG. 3 is an enlarged view of the timer housing of the present invention;

FIG. 4 is a schematic cross-sectional front view of the timer housing of the present invention;

FIG. 5 is an enlarged schematic view of part A of the present invention;

FIG. 6 is an enlarged schematic view of part B of the present invention;

FIG. 7 is an enlarged front view of the driving frame of the present invention;

FIG. 8 is an enlarged cross-sectional view of the protective case of the present invention;

in the figure: 1. a timer housing; 2. a protective shell; 3. a transmission frame; 4. a cam; 5. a main transmission gear; 6. a discharge mechanism; 601. knocking the block; 602. a fixed seat; 603. a telescopic rod; 604. a first spring; 7. an anti-oxidation mechanism; 701. a second spring; 702. a base; 703. a slide bar; 704. a suction contact; 8. a quick-mounting mechanism; 801. a card holder; 802. a clamping block; 803. a conductive sheet; 804. a clamping rod; 805. a third spring; 806. a clamping hole; 9. a first lever; 10. a transmission gear; 11. a sub transmission gear; 12. a second lever; 13. a movable spring plate; 14. a stationary reed; 15. a limiting plate; 16. a conductive seat; 17. a first terminal; 18. a second terminal; 19. a limiting column; 20. a bell hammer; 21. ringing; 22. a motor.

Detailed Description

The invention will be further described by means of specific embodiments, which are given by way of illustration only and are not intended to limit the scope of the invention.

Example 1

The utility model provides a higher microwave oven timer of durable life, as shown in fig. 1-6, includes timer casing 1, timer casing 1 one side is equipped with two timing pivot, and timer casing 1 rear side fixed mounting has protective housing 2, and the transmission installs cam 4 in the protective housing 2, the meshing of 4 lateral walls of cam has transmission frame 3, and 3 one sides of transmission frame articulate has main change gear 5, and 3 opposite sides of transmission frame articulate has a plurality of drive gear 10, and the meshing of 10 one side of one side drive gear has vice change gear 11, and transmission frame 3 one side still has motor 22 through the transmission meshing, motor 22 fixed mounting is in timer casing 1 inner chamber one side, the meshing of 5 one side of main change gear has first lever 9, and first lever 9 articulates at timer casing 1 inner chamber.

In practical application, when timing is needed, the rotating time adjusting knob is screwed, the timing rotating shafts on two sides can adjust the reset aging according to the main speed changing gear 5 and the auxiliary speed changing gear 11 which are connected, and further can adjust different off-time lengths according to different rotating timing rotating shafts, when the timing rotating shafts rotate, the cams 4 matched with the timing rotating shafts are driven, the cams 4 rotate to extrude the transmission frame 3 on one side, the transmission frame 3 pulls the main speed changing gear 5 to drive the first levers 9 meshed on one side to move downwards, the first levers 9 move downwards to push the first terminals 17 to be communicated with the second terminals 18, at the moment, the motor 22 is electrified to start acting, the timing state is reached, the preset time is finished, meanwhile, the main speed changing gear 5 pulls the first levers 9 to recover, and the auxiliary speed changing gear 11 drives the second levers 12 on one side to drive the movable spring pieces 13 to rotate to be separated from the static spring pieces 14, the power supply is cut off, and the circuit communication can be stopped at the moment to stop the work of the induction cooker, so that the timing precision can be rotated by the adjustment matching of the main transmission gear 5 and the auxiliary transmission gear 11, the precision of timing adjustment is effectively improved, and the use adaptability is met.

Example 2

A microwave oven timer with longer service life is different from that of embodiment 1 in that, as shown in figure 5, a first terminal 17 is attached to the bottom of a first lever 9, a static reed 14 is movably connected to one side of the first terminal 17 through a fast assembling mechanism 8, a conductive seat 16 is sleeved on the outer side wall of the static reed 14, the conductive seat 16 is fixedly installed in the inner cavity of a timer shell 1, a movable reed 13 is attached to the other end of the static reed 14, a second lever 12 is attached to one side of the movable reed 13, the second lever 12 is hinged to the inner cavity of a protective shell 2, the other side of the second lever 12 is meshed with an auxiliary speed change gear 11, a limiting plate 15 is arranged on one side of the inner cavity of the timer shell 1, a limiting column 19 is fixedly connected to one side of the inner cavity of the timer shell 1, a second terminal 18 is attached to one side of the limiting column 19, the second terminal 18 is positioned at the bottom of the first terminal 17, the bottom of the second terminal 18 is attached with the discharging mechanism 6, the bottom of the second terminal 18 is attached with the anti-oxidation mechanism 7, the timing rotating shaft is respectively engaged with the main speed change gear 5 and the auxiliary speed change gear 11, the anti-oxidation mechanism 7 comprises an electric suction contact 704, one side of the electric suction contact 704 is attached with one side of the contact of the first terminal 17, the bottom of the electric suction contact 704 is fixedly connected with a base 702, two sides of the bottom of the base 702 are respectively embedded with a sliding sleeve, the sliding sleeve is connected with a sliding rod 703 in a sliding manner, the top end of the sliding rod 703 is fixedly connected with the bottom of the first terminal 17, the bottom end of the sliding rod 703 is fixedly connected with a top block, the outer side wall of the sliding rod is sleeved with a second spring 701, two ends of the second spring 701 are respectively fixedly connected with the top block and one side of, the opening has been seted up at fixing base 602 top, and fixing base 602 open-top's diameter is greater than telescopic link 603 and strikes the diameter of piece 601, strike piece 601 and be the plastic piece, and strike piece 601 nonconducting.

In practical application, when the first lever 9 drives the first terminal 17 at one end to contact with the contact of the second terminal 18 at the bottom, the second terminal 18 can move downwards under stress to contact with the knocking block 601, the knocking block 601 can move downwards under stress to extrude the telescopic rod 603, the telescopic rod 603 can vibrate under stress through the first spring 604 at the outer side, the knocking block 601 can abut the second terminal 18 against the outer wall of the limit column 19, so that the attachments on the surface of the second terminal 18 can be removed through knocking, and when the contact on the surface of the second terminal 18 is separated from the first terminal 17, the electric load can be absorbed through the electric absorption contact 704 attached at one side, meanwhile, the second spring 701 sleeved outside the sliding rod 703 can drive the top base 702 to be upwardly attached to the electric absorption contact 704 through the self elasticity, the attaching effect is effectively ensured, and further, the negative charges accumulated on the surface of the second resistor can be absorbed and discharged through the shaking of the, thereby effectively prolonging the service life of the top second terminal 18 and the durability of the timing member to meet the overall use requirement.

Example 3

A microwave oven timer with a long service life, as shown in fig. 1-3, is different from the microwave oven timer of embodiment 2 in that the quick-assembly mechanism 8 includes a card seat 801, one side of the card seat 801 is attached to one side of the stationary spring 14, a card block 802 is connected to the card seat 801 in a clamping manner, one side of the card block 802 is fixedly connected to one side of the first terminal 17, a card hole 806 is formed at the top of the card block 802, a card rod 804 is connected to the card hole 806 in a clamping manner, a card sleeve is sleeved on the outer side wall of the card rod 804, the card sleeve is embedded to the top of the inner cavity of the card seat 801, a third spring 805 is sleeved on the outer side wall of the card rod 804, two sides of the third spring 805 are respectively and fixedly connected to the card block 802 and the inner cavity of the card seat 801 in a corresponding position.

In practical application, when first terminal 17 one end is worn and aged, can move out card hole 806 in cutting ferrule and cassette 801 through pulling kelly 804, can shift out first terminal 17 pulling drive fixture block 802 from cassette 801 this moment to can dismantle the change with first terminal 17 fast, can change the civilian dress ability that effectively improves first terminal 17 through modular assembly, effectively improve life.

The working principle is as follows: when timing is needed, the rotating time adjusting knob is screwed, the timing rotating shafts on two sides can adjust reset aging according to the main speed changing gear 5 and the auxiliary speed changing gear 11 which are connected, different off time lengths can be adjusted according to different rotating timing rotating shafts, when the timing rotating shafts rotate, the cam 4 matched with the timing rotating shafts is driven, the cam 4 rotates to extrude the transmission frame 3 on one side, the transmission frame 3 pulls the main speed changing gear 5 to drive the first lever 9 meshed on one side to move downwards, the first lever 9 moves downwards to push the first terminal 17 to be communicated with the second terminal 18, at the moment, the motor 22 starts to power on to act, the timing state is achieved, the preset time is finished, meanwhile, the main speed changing gear 5 pulls the first lever 9 to recover, and the auxiliary speed changing gear 11 drives the second lever 12 on one side to drive the movable reed 13 to rotate to be separated from the fixed reed 14.

When the first lever 9 drives the contact between the first terminal 17 at one end and the second terminal 18 at the bottom, the second terminal 18 can be stressed to move downwards to be in contact with the knocking block 601, the knocking block 601 can be stressed to move downwards to extrude the telescopic rod 603, the telescopic rod 603 can vibrate frequently through the stress of the first spring 604 on the outer side, the knocking block 601 can abut the second terminal 18 on the outer wall of the limiting column 19, so that the attachments on the surface of the second terminal 18 can be removed through knocking, and when the contact on the surface of the second terminal 18 is separated from the first terminal 17, the electric load can be absorbed through the electric absorbing contact 704 attached to one side, and meanwhile, the second spring 701 sleeved on the sliding rod 703 can drive the top base 702 to be upwards contacted and attached to the electric absorbing contact 704 through self.

When one end of the first terminal 17 is worn and aged, the clamping rod 804 can be pulled to move out of the clamping hole 806 in the clamping sleeve and the clamping seat 801, and at the moment, the first terminal 17 can be pulled to drive the clamping block 802 to move out of the clamping seat 801.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.