Switch structure of household electrical appliance

By designing a combination of knob unit, temperature control unit and micro switch on a household appliance, convenient switching between temperature adjustment and power off is achieved, solving the problem in existing technology that it is impossible to confirm whether the lowest setting has cut off the power, thus improving safety and convenience.

CN223884338UActive Publication Date: 2026-02-06NINGBO AOTIAN ELECTRICAL APPLIANCES
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Patent Information

Application Number
CN202423301908.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-06
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The temperature control switches of existing household appliances cannot confirm whether the power is cut off when they are at the lowest setting, which poses a safety hazard.

Method used

Design a switch structure for a household appliance, including a knob unit, a temperature control unit, and a micro switch. The knob unit drives the temperature control unit to adjust the temperature, and the power is cut off by rotating the knob to actuate the micro switch at the lowest setting.

Benefits of technology

It improves user convenience and the safety of home appliances, preventing them from remaining operational even at the lowest setting.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223884338U_ABST
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Abstract

The utility model discloses a switch structure of a household electrical appliance, which comprises a switch structure main body arranged on the household electrical appliance, and the switch structure main body comprises a knob unit, a temperature control unit and a microswitch. The knob unit and the temperature control unit are coaxially arranged; the knob unit is sleeved with a rotating part; when the temperature adjusting work is carried out, the knob unit drives the temperature control unit to adjust the temperature of the household appliance; when the household electrical appliance is turned off, the knob unit drives the rotating part to rotate, the rotating part abuts against the microswitch, and the household electrical appliance stops working. A user can rotate the knob unit to drive the temperature control unit to rotate so as to adjust the temperature; by arranging the rotating part, a user can drive the rotating part by rotating the rotating unit, so that the rotating part is propped against the microswitch, and the household electrical appliance is powered off.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of household appliances, especially to a switch structure of household appliances. BACKGROUND

[0002] With the continuous improvement of people's living standards, users will use household appliances in daily life to improve their quality of life. When using existing household appliances, there are usually temperature adjustment or gear adjustment switches. This type of switch can only adjust the temperature, and users can only adjust the temperature by rotating the knob. It cannot be rotated to the lowest gear to turn off the power of the equipment. Such a setting will cause the user to be unable to confirm whether it is the lowest gear when rotating to the lowest gear. Sometimes the user thinks it is the lowest gear, but in fact the household appliance is still on, which can cause safety hazards. SUMMARY

[0003] The utility model solves the technical problem in the prior art and provides a switch structure of household appliances.

[0004] The utility model adopts the technical scheme for solving the above technical problem:

[0005] A switch structure of household appliances, comprising a switch structure main body provided on the household appliance, the switch structure main body comprising a knob unit, a temperature control unit and a micro switch; the knob unit and the temperature control unit are coaxially arranged; a rotating part is sleeved on the knob unit; when adjusting the temperature, the knob unit drives the temperature control unit to adjust the temperature of the household appliance; when turning off the household appliance, the knob unit drives the rotating part to rotate, the rotating part abuts against the micro switch, and the household appliance stops working.

[0006] The above components achieve the following effects: the switch structure main body is provided on the household appliance to adjust the temperature and cut off the circuit; the coaxial arrangement of the knob unit and the temperature control unit allows the user to rotate the knob unit to drive the temperature control unit to rotate and adjust the temperature; the rotating part is provided to allow the user to rotate the rotating unit to drive the rotating part, which abuts against the micro switch, so that the household appliance is powered off; the rotating part is provided to rotate, allowing the user to power off the household appliance through the knob unit, preventing the household appliance from being in working state when the user adjusts to the lowest gear, and improving the convenience and safety of the household appliance.

[0007] Preferably, the knob unit comprises a knob main body and a mounting piece; the mounting piece is connected to the household appliance; the mounting piece is provided with a mounting hole; the knob main body is provided with a rotating column; the knob main body is connected to the mounting piece by penetrating the rotating column in the mounting hole.

[0008] The effect achieved by the above components is that: the knob unit and the household motor are connected by the mounting piece; the knob body is convenient for the user to rotate and adjust the temperature; the mounting hole is arranged in the mounting piece, and the rotating column is arranged on the knob body, so that the knob body is connected to the mounting piece through the rotating column and the mounting hole, and the structure is more stable and the fixing effect is better.

[0009] Preferably, the temperature control unit comprises a temperature controller body and a connecting column arranged on the temperature controller body; the connecting column is sleeved outside the rotating column.

[0010] The effect achieved by the above components is that: the temperature controller body is arranged for temperature adjustment; the connecting column is arranged outside the rotating column, so that the temperature control unit can be rotated for temperature adjustment.

[0011] Preferably, the rotating part comprises a first rotating end and a second rotating end; the first rotating end is sleeved outside the connecting column or the rotating column.

[0012] The effect achieved by the above components is that: the first rotating end and the second rotating end are arranged, and the first rotating end is sleeved outside the connecting column and the rotating column, so that the second rotating end can drive the first rotating end to rotate through the connecting column or the rotating column.

[0013] Preferably, the inner circumferences of the rotating column, the connecting column and the first rotating end are provided with corresponding cutting surfaces; the rotating column, the connecting column and the first rotating end are coaxially rotated through the cutting surfaces.

[0014] The effect achieved by the above components is that: the rotating column, the connecting column and the first rotating end can be rotated together, and the cooperation between the three components is better.

[0015] Preferably, the microswitch is provided with a microswitch contact; the end of the second rotating end away from the first rotating end can abut against the microswitch contact.

[0016] The effect achieved by the above components is that: the microswitch contact is arranged, and the second rotating end can be powered off when abutting against the microswitch contact, thereby improving the safety of the household appliance in use.

[0017] Preferably, an electric control board is arranged at any position in the household appliance; the electric control board is electrically connected to the microswitch and the temperature control unit.

[0018] The effect achieved by the above components is that: the electric control board is arranged, so that the microswitch and the temperature control unit can work together with the electric control board.

[0019] Compared with the prior art, the utility model has the advantages that the switch structure main body is arranged on the household appliance, is used for temperature adjustment and circuit cut-off of the household appliance, the knob unit and the temperature control unit are coaxially arranged, the user can rotate the knob unit to drive the temperature control unit to rotate and thus temperature adjustment is realized, the rotating part is arranged, the user can rotate the rotating unit to drive the rotating part, the rotating part is abutted against the micro switch, and thus the household appliance is powered off, the rotating part is arranged to rotate, the user can power off the household appliance through the knob unit, when the user adjusts to the lowest gear, the household appliance is still in working state, the convenience during use and the safety of the household appliance are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the structural schematic diagram of the utility model;

[0021] Fig. 2 It is the switch structure main body structure schematic diagram of the utility model;

[0022] Fig. 3 It is the switch structure main body exploded view schematic diagram of the utility model.

[0023] Reference signs: 1, household appliance;11, cut surface;2, switch structure main body;3, knob unit;31, knob main body;32, mounting piece;33, mounting hole;34, rotating column;4, temperature control unit;41, temperature controller main body;42, connecting column;5, micro switch;51, micro contact;6, rotating part;61, first rotating end;62, second rotating end. DETAILED DESCRIPTION

[0024] The following will disclose multiple embodiments of the utility model with drawings, for clear illustration, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these practical details are unnecessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be drawn in a simple schematic way in the drawings.

[0025] It should be noted that all directionality indications in the utility model embodiment, such as up, down, left, right, front, back, etc. are used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indications will also change accordingly.

[0026] And, the above-mentioned partial terms can be used to represent other meanings in addition to the orientation or positional relationship, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases, and those skilled in the art can understand the specific meaning of these terms in the utility model according to the specific circumstances.

[0027] In addition, the terms "mounting", "setting", "provided with", "connecting", "connected", "sleeved" should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication between two devices, elements or components. The connection mode involved in the present application is prior art, and no improvement is made, which belongs to the common knowledge of those skilled in the art. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0028] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the utility model, which is only to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the utility model.

[0029] For example, Figs. 1 to 3The utility model provides a kind of switch structure of household appliance 1, including being set on the switch structure main body 2 of household appliance 1, the switch structure main body 2 includes knob unit 3, temperature control unit 4, microswitch 5;The knob unit 3 is coaxially arranged with temperature control unit 4;Rotating part 6 is set on the knob unit 3;When temperature adjustment work is carried out, the knob unit 3 drives the temperature control unit 4 to carry out temperature adjustment to household appliance 1;When household appliance 1 is closed, the knob unit 3 drives rotating part 6 to rotate, and rotating part 6 is in contact with microswitch 5, and household appliance 1 stops working.By being provided with switch structure main body 2 on household appliance 1, temperature adjustment and circuit interruption are carried out to household appliance 1;By coaxially arranging knob unit 3 with temperature control unit 4, user can rotate knob unit 3 to drive temperature control unit 4 to rotate and carry out temperature adjustment;By being provided with rotating part 6, user can rotate rotating unit to drive rotating part 6, so that rotating part 6 is in contact with microswitch 5, so that household appliance 1 is powered off;Rotating part 6 is provided to rotate, so that user can carry out power-off work to household appliance 1 by knob unit 3, prevent household appliance 1 from being in working state when user adjusts to the lowest gear, improve the convenience of use and the safety of household appliance 1.

[0030] The knob unit 3 includes: knob main body 31 and mounting piece 32;The mounting piece 32 is connected with household appliance 1;Mounting hole 33 is arranged on the mounting piece 32;Rotating column 34 is arranged on the knob main body 31;The knob main body 31 is connected with mounting piece 32 by rotating column through mounting hole 33.By being provided with mounting piece 32, knob unit 3 and household appliance are connected;By being provided with knob main body 31, user can conveniently rotate and temperature adjustment;By being provided with mounting hole 33 in mounting piece 32 and rotating column 34 on knob main body 31, knob main body 31 is connected on mounting piece 32 by rotating column and mounting hole 33, so that the structure is more stable, and the fixing effect is better.

[0031] The temperature control unit 4 includes temperature controller main body 41 and connecting column 42 arranged on the temperature controller main body 41;The connecting column 42 is sleeved outside rotating column 34.By being provided with temperature controller main body 41 for temperature adjustment;By being provided with connecting column 42, and connecting column 42 is sleeved outside rotating column 34, so that temperature control unit 4 can rotate to carry out temperature adjustment by rotating column 34.

[0032] The rotating part 6 comprises a first rotating end 61 and a second rotating end 62; the first rotating end 61 is sleeved on the outer periphery of the connecting column 42 or the rotating column 34. By arranging the first rotating end 61 and the second rotating end 62, and sleeving the first rotating end 61 on the connecting column 42 and the rotating column 34, the second rotating end 62 can rotate to drive the first rotating end 61 to rotate.

[0033] The inner periphery of the rotating column 34, the outer periphery of the connecting column 42 and the inner periphery of the first rotating end 61 are provided with corresponding cut surfaces 11; the rotating column 34, the connecting column 42 and the first rotating end 61 are coaxially limited and rotated by the cut surfaces 11. By arranging the cut surfaces 11, the rotating column 34, the connecting column 42 and the first rotating end 61 can be rotated together, and the cooperation between the three components is better.

[0034] The micro switch 5 is provided with a micro switch contact 51; the end of the second rotating end 62 away from the first rotating end 61 can abut against the micro switch contact 51. By arranging the micro switch contact 51, the second rotating end can be de-energized when abutting against the micro switch contact 51, thereby improving the safety of the household appliance 1 during use.

[0035] The household appliance 1 is provided with an electric control board at any position; the electric control board is electrically connected to the micro switch 5 and the temperature control unit 4. By arranging the electric control board, the micro switch 5 and the temperature control unit 4 can work together with the electric control board.

[0036] In the embodiment:

[0037] When the user selects to use the household appliance 1, the user can rotate the knob body 31 at this time, because the rotating column 34 and the connecting column 42 are arranged, the temperature controller body 41 is driven to work at this time; when the user needs to turn off the household appliance 1, the second rotating end 62 on the rotating part 6 abuts against the micro switch contact 51, so that the household appliance 1 stops working.

[0038] The electric control board, gear adjustment and cut-off circuit realized in the utility model are conventional and well-known technical structures for those skilled in the art, so it is not necessary to make too much elaboration and description of the drawings.

[0039] In the description of the present specification, the terms "one embodiment", "some embodiments", "example", "specific example" and the like refer to the specific features, structures, materials or combinations thereof described in connection with the embodiment or example. This does not mean that the described feature is essential to the embodiment or example. In addition, the terms "one embodiment", "some embodiments", "example", "specific example" and the like do not mean that the described feature is essential to the embodiment or example.

[0040] The description of the term "an example" or "some examples" or the like means that a particular feature, structure, material or characteristic described in connection with the example is included in at least one embodiment or example of the present application. In this specification, the illustrative representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and combine the features of different embodiments or examples described in the specification and the features of different embodiments or examples, without contradiction.

[0041] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet, welding and sticking in the prior art, which will not be described in detail here.

[0042] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, various modifications and changes can be made in the specific implementation mode and application range, and the content of the specification should not be understood as the limitation of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A switch structure of a household appliance comprising a switch structure main body provided on the household appliance, characterized in that: The switch structure body comprises a knob unit, a temperature control unit and a micro switch; the knob unit and the temperature control unit are coaxially arranged; a rotating part is sleeved on the knob unit; When the temperature adjusting work is performed, the knob unit drives the temperature control unit to adjust the temperature of the household appliance; When the household appliance is turned off, the rotating part is rotated by the knob unit, the rotating part abuts against the micro switch, and the household appliance stops working.

2. A switch structure for a domestic appliance according to claim 1, characterized in that: The knob unit comprises a knob main body and a mounting part; the mounting part is connected with the household appliance; a mounting hole is arranged on the mounting part; a rotating column is arranged on the knob main body; the knob main body is connected with the mounting part by penetrating the rotating column in the mounting hole.

3. A switch structure for a domestic appliance according to claim 2, characterized in that: The temperature control unit comprises a temperature controller main body and a connecting column arranged on the temperature controller main body; the connecting column is sleeved on the outer periphery of the rotating column.

4. A switch structure for a domestic appliance according to claim 3, characterized in that: The rotating part comprises a first rotating end and a second rotating end; the first rotating end is sleeved on the outer periphery of the connecting column or the rotating column.

5. A switch structure for a domestic appliance according to claim 4, characterized in that: The inner periphery of the rotating column, the outer periphery of the connecting column and the inner periphery of the first rotating end are provided with corresponding cutting surfaces; the rotating column, the connecting column and the first rotating end are coaxially rotated by the cutting surfaces.

6. A switch structure for a domestic appliance according to claim 4, characterized in that: The micro switch is provided with a micro contact; the end of the second rotating end away from the first rotating end can abut against the micro contact.

7. A switch structure for a domestic appliance according to any one of claims 1 to 6, characterized in that: An electric control board is arranged at any position in the household appliance; the electric control board is electrically connected with the micro switch and the temperature control unit.