CN219202977U - Trigger protection power-on and power-off device applied to electric cooker - Google Patents

Abstract

The utility model discloses a trigger protection power-on and power-off device applied to an electric cooker, which relates to the technical field of electric cookers and comprises an electric cooker shell and a matched cover body, wherein a middle ring is arranged between the electric cooker shell and the cover body and is rotationally connected through a hinge shaft on the middle ring, a middle ring pushing rod is arranged on the middle ring, a through groove matched with the middle ring pushing rod is formed in the bottom of the cover body, a movable rod is slidably matched with the through groove, the upper end of the movable rod is slidably matched with a motor cover, the motor cover is fixedly arranged on the cover body, a micro switch bracket is arranged on the motor cover, a micro switch is fixedly arranged on the micro switch bracket, a micro switch contact is arranged on the lower side of the micro switch, a spring is sleeved on the outer side of the micro switch contact, and the spring is fixedly arranged at the upper end of the movable rod. Under the condition that parts deform due to high heat, the utility model can ensure that the micro switch contacts on the micro switch can be triggered, effectively ensure the on-off of the electric cooker and ensure the use safety.

Description

Trigger protection power-on and power-off device applied to electric cooker

Technical Field

The utility model relates to the technical field of electric rice cookers, in particular to a trigger protection power-on and power-off device applied to an electric rice cooker.

Background

With the improvement of our living standard, the small household appliances that we used also have increased a lot of choices, the security performance requirement is also higher to rice cooker class kitchen product, for flip protection, in order to prevent to lead to unexpected accident to take place in the course of the work maloperation, traditional structure is hard contact, as the description figure 3, the micro-gap switch is installed at the motor cover, the motor cover passes through the hinge pin to be connected the middle ring (the hinge pin is fixed in the middle ring, the motor cover is done the axle motion), the movable rod is directly acted on the micro-gap switch contact according to motor cover axial motion, after assembly and use, hard touch can lead to the motor cover to warp under the high temperature condition for a long time, the movable rod warp, the middle ring warp, thereby lead to break-make bad emergence, for this we propose a trigger protection to be applied to rice cooker.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a trigger protection power-on and power-off device applied to an electric cooker.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a trigger protection that is applied to rice cooker is put on and is cut off power supply, includes rice cooker shell and the lid that matches, be equipped with the zhonghuan between rice cooker shell and the lid to link to each other through the hinge pin rotation on the zhonghuan, be equipped with the zhonghuan catch bar on the zhonghuan, the logical groove that matches with zhonghuan catch bar is seted up to the bottom of lid, and sliding fit has the movable rod in logical groove, and the upper end sliding fit of movable rod has the motor cover, motor cover fixed mounting is on the lid, installs the micro-gap switch support on the motor cover, be fixed with micro-gap switch on the micro-gap switch support, the downside of micro-gap switch is equipped with the micro-gap switch contact, the outside of micro-gap switch contact has cup jointed the spring, and the spring is fixed in the upper end of movable rod.

Preferably, the middle ring is fixedly arranged on the shell of the electric cooker, and the middle ring pushing rod are integrally formed.

Preferably, the outer wall of the upper end of the movable rod is provided with a shaft shoulder, an annular groove is formed in the inner part of the movable rod, and the bottom end of the annular groove is fixedly connected with the spring.

Preferably, the motor cover is provided with a positioning cutting, and the cover body is provided with a positioning slot matched with the positioning cutting.

The beneficial effects of the utility model are as follows: the movable rod is connected with the spring, so that the movable rod can be elastically contacted with the micro switch contact, even if parts are deformed due to high heat, the micro switch contact on the micro switch can be triggered due to elastic compression compensation of the spring, the on-off of the electric cooker is effectively ensured, the use safety is ensured, and the on-off device can be further used for kitchen products like the electric cooker, such as a water heater and the like.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of the present utility model;

fig. 3 is a schematic structural diagram of a flip cover protection hard connection in a conventional flip cover electric appliance.

Reference numerals in the drawings: 1. an electric cooker shell; 2. a cover body; 3. a middle ring; 4. middle ring pushing rod; 5. a movable rod; 6. a motor cover; 7. a microswitch bracket; 8. a micro-switch; 9. a microswitch contact; 10. a spring; 11. positioning the cutting.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, a trigger protection power-on and power-off device applied to an electric cooker comprises an electric cooker shell 1 and a matched cover body 2, wherein a middle ring 3 is arranged between the electric cooker shell 1 and the cover body 2 and is rotationally connected through a hinge shaft on the middle ring 3, a middle ring pushing rod 4 is arranged on the middle ring 3, a through groove matched with the middle ring pushing rod 4 is formed in the bottom of the cover body 2, a movable rod 5 is slidably matched with the through groove, the upper end of the movable rod 5 is slidably matched with a motor cover 6, the motor cover 6 is fixedly arranged on the cover body 2, a micro-switch bracket 7 is arranged on the motor cover 6, a micro-switch 8 is fixed on the micro-switch bracket 7, a micro-switch contact 9 is arranged on the lower side of the micro-switch 8, a spring 10 is sleeved on the outer side of the micro-switch contact 9, and the spring 10 is fixed at the upper end of the movable rod 5.

The middle ring 3 is fixedly arranged on the electric cooker shell 1, and the middle ring 3 and the middle ring pushing rod 4 are integrally formed; the integrally formed product has high structural strength and long service life.

The upper end outer wall of the movable rod 5 is provided with a shaft shoulder, an annular groove is formed in the upper end outer wall, the bottom end of the annular groove is fixedly connected with the spring 10, and the design of the shaft shoulder ensures that the movable rod 5 slides in the motor cover 6 but cannot be separated from the motor cover 6.

The motor cover 6 is provided with the positioning cutting 11, the cover body 2 is provided with the positioning slot matched with the positioning cutting 11, and the positioning cutting 11 improves the installation positioning efficiency of the motor cover 6 and has good fixing effect.

Working principle: when the micro-switch is used, the cover body 2 rotates around the hinge shaft on the middle ring 3, when the cover body 2 rotates downwards to cover the electric appliance body 1, the middle ring pushing rod 4 on the middle ring 3 is propped against the movable rod 5, the spring 10 is extruded, the upper end of the movable rod 5 is triggered to the micro-switch contact 9, the micro-switch 8 is opened and closed, and even if parts deform due to high heat, the micro-switch contact 10 on the micro-switch 9 can be triggered due to elastic compression compensation of the spring 10, and the micro-switch is always effectively opened and closed.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (4)

1. The utility model provides a be applied to triggering protection of rice cooker and lead to power-off device, includes rice cooker shell (1) and lid (2) that match, its characterized in that, be equipped with zhong (3) between rice cooker shell (1) and lid (2) to rotate through the hinge pin on zhong (3) and link to each other, be equipped with zhong chong zhu (4) on (3), the logical groove with zhong chong zhu (4) matched with is offered to the bottom of lid (2), and sliding fit has movable rod (5) in logical groove, and the upper end sliding fit of movable rod (5) has motor housing (6), motor housing (6) fixed mounting is on lid (2), install micro-gap switch support (7) on motor housing (6), be fixed with micro-gap switch (8) on micro-gap switch support (7), the downside of micro-gap switch (8) is equipped with micro-gap switch contact (9), the outside of micro-gap switch contact (9) has cup jointed spring (10), and spring (10) are fixed the upper end at movable rod (5).

2. The trigger protection power-on and power-off device applied to the electric cooker according to claim 1, wherein the middle ring (3) is fixedly installed on the electric cooker shell (1), and the middle ring (3) and the middle ring pushing rod (4) are integrally formed.

3. The triggering protection power-on and power-off device applied to the electric cooker according to claim 1, wherein the outer wall of the upper end of the movable rod (5) is provided with a shaft shoulder, an annular groove is formed in the inner part of the shaft shoulder, and the bottom end of the annular groove is fixedly connected with the spring (10).

4. The triggering protection power-on and power-off device applied to the electric cooker according to claim 1, wherein a positioning cutting (11) is arranged on the motor cover (6), and a positioning slot matched with the positioning cutting (11) is formed on the cover body (2).

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