Mechanism of linkage reset current protection switch
By concealing the mechanical knob switch and reset switch of small household appliances within the housing, and utilizing the upper protrusion structure of the knob to activate the reset rod, the safety and aesthetic issues of external reset switches are resolved, achieving improvements in both safety and aesthetics.
Patent Information
- Application Number
- CN202520070527.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The existing small household appliances have external reset switches, which pose safety hazards and affect aesthetics.
Design a mechanism for a linkage reset current protection switch, in which the mechanical rotary switch and reset switch are located inside the housing, with the rotary switch exposed. The reset is achieved by triggering the reset rod through the upper protrusion structure of the rotary switch, thus avoiding direct contact between the human hand and the reset switch.
It improves operational safety and aesthetics. The reset is operated manually via a knob, and the reset switch is hidden inside the housing to avoid the risk of electric shock and damage from exposure.
Smart Images

Figure CN223757426U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to switch technical field especially a kind of mechanism of linkage reset current protection switch. BACKGROUND
[0002] Reset switch is usually used to restore equipment or circuit to initial state, and small household appliances may cause danger due to long working time, excessive temperature, failure short circuit of electrical components, etc., so many small household appliances currently increase fuse, temperature controller, etc., to solve this problem, and after these household appliances are forced to stop, reset switch needs to be pressed to restore start, and most small household appliances on market usually expose switch lever outside, when reset switch overcurrent protection acts, machine stops working, and hand can reset by pressing the exposed switch lever, and after reset, machine can work normally, but such setting needs hand to directly contact switch lever, so there is safety hazard, in addition, reset switch exposed outside equipment also damages the beauty of equipment appearance. UTILITY MODEL CONTENTS
[0003] The utility model overcomes the shortcomings in the prior art, provides a kind of mechanism of linkage reset current protection switch, mechanical knob switch and reset switch are located inside shell, knob is connected with mechanical knob switch, the lower end of knob is located in shell, and the upper end of knob is exposed outside shell to facilitate operation, so when hand resets electrical appliance, hand contacts knob, and reset lever is actuated by the upper convex structure of knob to complete reset action, so hand does not directly contact reset switch, improve the safety of operation, and reset switch is not exposed, and better concealment and beauty.
[0004] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0005] A kind of mechanism of linkage reset current protection switch, including mechanical knob switch, knob and reset switch, mechanical knob switch and reset switch are located inside shell, knob is connected with mechanical knob switch, the lower end of knob is located in shell, and the upper end of knob is exposed outside shell to facilitate operation;
[0006] The knob is provided with upper convex structure, the reset switch is provided with reset lever, and the upper convex structure is rotated when the knob is rotated, and the reset lever is contacted;Knob rotation drives mechanical knob switch to rotate and switch gear, while, upper convex structure is rotated and contacted reset lever, so that reset lever is pressed down, to reset reset switch;
[0007] The mechanical knob switch includes knob connecting rod, and the outer periphery of the knob connecting rod is polygonal, and the knob includes connecting sleeve, and the inner cavity of the connecting sleeve is polygonal, and the knob connecting rod is inserted into the inner cavity of the connecting sleeve.
[0008] Further, the upper convex structure is an umbrella-shaped structure with smooth two sides, and the upper convex structure smoothly pushes the reset rod during rotation.
[0009] Further, the inner wall of the connecting sleeve is provided with a contact reinforcing rib in contact with the outer periphery of the knob connecting rod.
[0010] Further, the upper convex structure and the connecting sleeve are provided with an upper convex structure reinforcing rib.
[0011] Further, the knob is externally provided with a pointing mark boss corresponding to the upper convex structure in the vertical direction.
[0012] Further, the knob is externally provided with an anti-skid stripe.
[0013] Further, the shell comprises an upper shell and a lower shell, and the mechanical knob switch and the reset switch are arranged inside the lower shell, and the upper shell and the lower shell are embedded together to surround the mechanical knob switch and the reset switch.
[0014] Further, the upper shell is provided with a reset hole, and the reset rod protrudes from the reset hole.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] The utility model provides a kind of mechanism of linkage reset current protection switch, and mechanical knob switch and reset switch are located in the shell, and knob is connected with mechanical knob switch, and the lower end of knob is located in the shell, and the upper end of knob is exposed outside the shell, to facilitate operation, so that hand contacts knob when hand resets electric appliance, and reset rod is actuated by the upper convex structure of knob to complete the action of resetting, so that hand does not directly contact reset switch, improve the safety of operation;And reset switch is not exposed, and better concealment and aesthetics. DRAWINGS
[0017] The drawings are used to provide further understanding of the utility model, and are used to explain the utility model together with the embodiment of the utility model, and do not constitute the limitation to the utility model, and in the drawings:
[0018] Fig. 1 It is the first schematic view of the reset current protection switch installation of the embodiment of the utility model;
[0019] Fig. 2 It is the explosion schematic view of the reset current protection switch installation of the embodiment of the utility model;
[0020] Fig. 3 It is the structure schematic view of the reset current protection switch of the embodiment of the utility model;
[0021] Fig. 4 is a second installation schematic view of the reset current protection switch of the utility model embodiment;
[0022] Fig. 5 is a knob structure schematic view of the utility model embodiment.
[0023] In the figure: 1, mechanical knob switch;101, knob connecting rod;2, knob;201, connecting sleeve;2011, contact reinforcing rib;202, upper convex body structure;2021, convex reinforcing rib;203, pointing mark boss;204, anti-skid stripe;3, reset switch;301, reset rod;4, upper shell;401, reset hole;5, lower shell. DETAILED DESCRIPTION
[0024] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.
[0025] As Figs. 1 to 5 shown, a mechanism of linkage reset current protection switch, including mechanical knob switch 1, knob 2 and reset switch 3, mechanical knob switch 1 and reset switch 3 are located in the shell inside, knob 2 is connected with mechanical knob switch 1, the lower end of knob 2 is located in the shell, and the upper end of knob 2 is exposed outside the shell to facilitate operation;In this way, when the hand is reset to the electric appliance, the hand contacts knob 2, and the reset rod 301 is actuated through the upper convex body structure 202 of knob 2 to complete the reset action, so that the hand does not directly contact the reset switch 3, and the current of the reset switch 3 can be avoided to the operator, thereby improving the safety of operation and the mechanical knob switch 1 and the reset switch 3 are not exposed, which improves the appearance of the electric appliance.
[0026] Knob 2 is provided with upper convex body structure 202, reset switch 3 is provided with reset rod 301, knob 2 rotates and drives upper convex body structure 202 to rotate, which will top reset rod 301;Knob 2 rotates and drives mechanical knob switch 1 to rotate to switch gear, at the same time, upper convex body structure 202 rotates and tops reset rod 301, so that reset rod 301 is pressed down, thereby resetting reset switch 3;Upper convex body structure 202 is umbrella-shaped structure with smooth sides, and reset rod 301 is smoothly pushed in the process of rotating upper convex body structure 202, so that when the umbrella-shaped top end of upper convex body structure 202 contacts reset rod 301, reset rod 301 is pressed down, and when knob 2 continues to move, the umbrella-shaped top end of upper convex body structure 202 leaves reset rod 301, and reset rod 301 can be popped out when the next electric appliance occurs leakage fault.
[0027] The mechanical knob switch 1 comprises a knob connecting rod 101, the outer periphery of the knob connecting rod 101 is polygonal, the knob 2 comprises a connecting sleeve 201, the inner cavity of the connecting sleeve 201 is polygonal, the knob connecting rod 101 is inserted into the inner cavity of the connecting sleeve 201, so that the knob 2 and the knob connecting rod 101 cannot slip, and the rotation information of the knob 2 can be transmitted to the knob connecting rod 101 through a mechanical mode every time the knob 2 rotates.
[0028] The inner wall of the connecting sleeve 201 is provided with a contact reinforcing rib 2011, the contact reinforcing rib 2011 is in contact with the outer periphery of the knob connecting rod 101, so that the connecting sleeve 201 and the knob connecting rod 101 are in line contact instead of surface contact, so that slight errors during processing of the two will not cause the two to fail to cooperate, thereby reducing the processing difficulty, while maintaining the cooperation precision and accuracy.
[0029] The upper convex structure 202 and the connecting sleeve 201 are provided with an upper convex structure reinforcing rib 2021, the upper convex structure reinforcing rib 2021 makes the upper convex structure 202 more stable, so that the upper convex structure 202 will not be easily deformed when in contact with the reset rod 301, thereby ensuring that the upper convex structure 202 can accurately press down the reset rod 301 after multiple uses.
[0030] The knob 2 is externally provided with a pointing mark boss 203, the pointing mark boss 203 corresponds to the upper convex structure 202 in the vertical direction, so that people can understand whether the convex structure 202 reaches the reset position when operating the knob 2, making the operation more convenient and intuitive.
[0031] The knob 2 is externally provided with anti-skid stripes 204, which facilitate the hand to twist the knob 2, so that the hand will not slip when operating.
[0032] The shell comprises an upper shell 4 and a lower shell 5, the mechanical knob switch 1 and the reset switch 3 are arranged inside the lower shell 5, the upper shell 4 and the lower shell 5 are embedded together to surround the mechanical knob switch 1 and the reset switch 3, the upper shell 4 is provided with a reset hole 401, the reset rod 301 protrudes from the reset hole 401, so that the mechanical knob switch 1 and the reset switch 3 can be well wrapped inside the shell, because the mechanical knob switch 1 and the reset switch 3 are not exposed, on the one hand, it avoids the danger of electric shock caused by direct contact of the hand, on the other hand, it also protects the mechanical knob switch 1 and the reset switch 3 from being damaged by impact.
[0033] Finally, it should be noted that the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model is described in detail with reference to the embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, but any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A mechanism for operating a reset current protection switch in conjunction, characterized by, The mechanical knob switch (1), the knob (2) and the reset switch (3) are arranged in the shell, the knob (2) is connected with the mechanical knob switch (1), the lower end of the knob (2) is arranged in the shell, and the upper end of the knob (2) is exposed outside the shell, so that the knob (2) is convenient to operate. The knob (2) is provided with an upper convex structure (202), the reset switch (3) is provided with a reset rod (301), the upper convex structure (202) is rotated when the knob (2) is rotated, and the reset rod (301) is abutted; the knob (2) is rotated to drive the mechanical knob switch (1) to rotate to switch gears, and at the same time, the upper convex structure (202) is rotated to abut against the reset rod (301), so that the reset rod (301) is pressed down, and the reset switch (3) is reset. The mechanical knob switch (1) comprises a knob connecting rod (101), the outer periphery of the knob connecting rod (101) is polygonal, the knob (2) comprises a connecting sleeve (201), the inner cavity of the connecting sleeve (201) is polygonal, and the knob connecting rod (101) is inserted into the inner cavity of the connecting sleeve (201).
2. The mechanism for interlocking the reset current protection switch according to claim 1, characterized in that, The upper convex structure (202) is a smooth umbrella-shaped structure on both sides, and the reset rod (301) is smoothly pushed in the rotating process of the upper convex structure (202).
3. The mechanism for interlocking the reset current protection switch according to claim 1, characterized in that, The inner wall of the connecting sleeve (201) is provided with a contact reinforcing rib (2011), and the contact reinforcing rib (2011) is in contact with the outer periphery of the knob connecting rod (101).
4. The mechanism for interlocking the reset current protection switch according to claim 3, characterized in that, The upper convex structure (202) and the connecting sleeve (201) are provided with an upper convex structure reinforcing rib (2021).
5. A mechanism for interlocking the reset of current protection switches according to any one of claims 1 to 4, characterized in that The knob (2) is provided with a direction mark boss (203) outside, and the direction mark boss (203) corresponds to the upper convex structure (202) in the vertical direction.
6. The mechanism for interlocking the reset current protection switch according to claim 5, characterized in that, The knob (2) is provided with an anti-skid stripe (204) outside.
7. A mechanism for interlocking the reset of current protection switches according to any one of claims 1 to 4, characterized in that The shell comprises an upper shell (4) and a lower shell (5), the mechanical knob switch (1) and the reset switch (3) are arranged in the lower shell (5), and the upper shell (4) and the lower shell (5) are embedded together to surround the mechanical knob switch (1) and the reset switch (3) therein.
8. The mechanism for interlocking the reset current protection switch according to claim 7, characterized in that, The upper shell (4) is provided with a reset hole (401), and the reset rod (301) protrudes from the reset hole (401).