Control switch
By combining a rotary shaft, ratchet, and wave-shaped shaft, the problem of existing switch speed control structures requiring strong force and having limited adjustment functions is solved. This achieves stable rotation and limit of the gear knob, improving ease of use and adjustment accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-10
AI Technical Summary
Existing speed control mechanisms require significant external force to operate the buttons, have limited adjustment functions, and are inconvenient to use.
It adopts a combination structure of rotary shaft, ratchet and shifter shaft. The rotary shaft drives the ratchet and gear knob to rotate, and the shifter shaft uses elastic reset to limit the gear knob and prevent it from deviating.
It achieves stable rotation and limit of the gear knob, improving ease of use and adjustment accuracy.
Smart Images
Figure CN224110182U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric appliance technical field especially is involved in control switch. BACKGROUND
[0002] The existing switch speed regulation structure is provided with a plurality of buttons, and each button corresponds to different functions. The speed of the electric appliance is adjusted by pressing the mode button, and a large external force is required for pressing the button. Therefore, the adjustment function is single, and the use is inconvenient. Therefore, the control switch is proposed. UTILITY MODEL CONTENTS
[0003] The utility model discloses to overcome the above-mentioned situation shortage, aims at providing a kind of technical scheme that can solve above-mentioned problem.
[0004] The control switch includes PCBA and panel support, the PCBA is provided with rotating shaft at one side of forward side, and rotating shaft rotates on PCBA, and rotating shaft is coaxially connected with gear knob, and gear knob rotates on PCBA through rotating shaft, the rotating shaft is provided with ratchet wheel between PCBA, and ratchet wheel is sleeved on rotating shaft, and rotating shaft and ratchet wheel are synchronous transmission between, and ratchet wheel is located at the forward side of PCBA, so that gear knob rotates on PCBA through rotating shaft and ratchet wheel rotates on PCBA, and gear knob and PCBA are electrically connected, the spring support is vertically arranged at the bottom of the back of panel support, and the wave shaft is vertically and elastically arranged in the spring support, and the wave shaft is inserted at the bottom of ratchet wheel.
[0005] Preferably, the gear knob and the panel support are provided with a panel, and the panel is vertically located at the forward side of the panel support, and the gear knob is vertically located at the forward side of the panel, and the rotating shaft penetrates the panel.
[0006] Preferably, the wave shaft and the spring support are provided with a moving block, and the moving block is vertically located in the spring support, and the wave shaft is vertically located at the top of the moving block.
[0007] Preferably, the moving block and the spring support are provided with a spring, and one end of the spring is elastically connected with the moving block, and the other end of the spring is elastically connected with the spring support.
[0008] Compared with the prior art, the gear knob is rotated on the PCBA through the rotating shaft and the ratchet wheel, the ratchet wheel exerts pressure on the wave shaft, the wave shaft is compressed into the spring support, the gap between the bottom end of the ratchet wheel is rotated to the wave shaft, the wave shaft is elastically reset and inserted into the gap between the bottom end of the ratchet wheel and the ratchet wheel is limited, the elastic insertion limiting cooperation between the ratchet wheel and the wave shaft is realized, the gear knob is rotationally limited on the PCBA, and the gear knob can be limited when being rotated to different gear values, so that the gear knob is prevented from being deviated and the normal value is affected.
[0009] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0011] Figure 1 Structure diagram of the control switch;
[0012] Figure 2 Structure diagram of the panel;
[0013] Figure 3 Structure diagram of the panel support;
[0014] Figure 4 Another structure diagram of the panel support;
[0015] Figure 5 Another structure diagram of the control switch;
[0016] Figure 6 Still another structure diagram of the control switch.
[0017] As shown in the drawings: 1, PCBA, 2, panel support, 3, panel, 4, gear knob, 5, knob shaft, 6, spring support, 7, ratchet wheel, 8, moving block, 9, wave shaft, 10, spring. DETAILED DESCRIPTION
[0018] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0019] Please refer to Figures 1-6 In the embodiments of the present application, the control switch comprises a PCBA1 and a panel support 2, a rotating shaft 5 is arranged at one side of a front face of the PCBA1, the rotating shaft 5 rotates on the PCBA1, the rotating shaft 5 is coaxially connected with a gear knob 4, the gear knob 4 rotates on the PCBA1 through the rotating shaft 5, a ratchet wheel 7 is arranged between the rotating shaft 5 and the PCBA1, the ratchet wheel 7 is sleeved on the rotating shaft 5, synchronous transmission is provided between the rotating shaft 5 and the ratchet wheel 7, the ratchet wheel 7 is located at the front face of the PCBA1, the gear knob 4 rotates on the PCBA1 through the rotating shaft 5, the ratchet wheel 7 rotates on the PCBA1, the gear knob 4 is electrically connected with the PCBA1, a spring support 6 is vertically arranged at the bottom of the back of the panel support 2, a wave shaft 9 is vertically and elastically arranged in the spring support 6, and the wave shaft 9 is inserted at the bottom of the ratchet wheel 7, so that when the gear knob 4 rotates on the PCBA1 through the rotating shaft 5 and the ratchet wheel 7, the ratchet wheel 7 presses the wave shaft 9, the wave shaft 9 is compressed into the spring support 6, until the gap between the bottom of the ratchet wheel 7 rotates to the wave shaft 9, the wave shaft 9 is elastically reset and re-inserted into the gap between the bottom of the ratchet wheel 7 and limits the ratchet wheel 7, so that the gear knob 4 is limited in rotation on the PCBA1 through the elastic insertion and limiting cooperation between the ratchet wheel 7 and the wave shaft 9, so that the gear knob 4 can be limited when rotating to different gear values, preventing the gear knob 4 from deviating and affecting the normal value.
[0020] A panel 3 is arranged between the gear knob 4 and the panel support 2, the panel 3 is vertically located at the front face of the panel support 2, the gear knob 4 is vertically located at the front face of the panel 3, and the rotating shaft 5 penetrates the panel 3, so that the gear knob 4 rotates on the panel 3 through the rotating shaft 5.
[0021] The moving block 8 is arranged between the wave shaft 9 and the spring support 6, is vertically arranged inside the spring support 6, and the wave shaft 9 is vertically arranged at the top end of the moving block 8; a spring 10 is arranged between the moving block 8 and the spring support 6, one end of the spring 10 is elastically connected with the moving block 8, and the other end of the spring 10 is elastically connected with the spring support 6; the elastic cooperation between the spring 10 and the moving block 8 enables the wave shaft 9 to elastically move inside the spring support 6, so that the wave shaft 9 can be limitedly cooperated with the ratchet wheel 7.
[0022] It is obvious for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, but that it can be implemented in other embodiments without departing from the spirit or essential characteristics of the application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims
1. A control switch comprising a PCBA and a faceplate bracket, characterized in that, The PCBA is provided with a rotating shaft at one side of the front surface, the rotating shaft rotates on the PCBA, the rotating shaft is coaxially connected with a gear knob, the gear knob rotates on the PCBA through the rotating shaft, a ratchet wheel is arranged between the rotating shaft and the PCBA, the ratchet wheel is sleeved on the rotating shaft, synchronous transmission is achieved between the rotating shaft and the ratchet wheel, the ratchet wheel is located at the front surface of the PCBA, the gear knob rotates on the PCBA through the rotating shaft, the ratchet wheel rotates on the PCBA, the gear knob is electrically connected with the PCBA, a spring support is vertically arranged at the bottom end of the back of the panel support, a wave shaft is vertically and elastically arranged in the spring support, and the wave shaft is inserted into the bottom end of the ratchet wheel.
2. The control switch according to claim 1, characterized in that A panel is arranged between the gear knob and the panel support, the panel is vertically located at the front surface of the panel support, the gear knob is vertically located at the front surface of the panel, and the rotating shaft penetrates the panel.
3. The control switch according to claim 1, characterized in that A moving block is arranged between the wave shaft and the spring support, the moving block is vertically located in the spring support, and the wave shaft is vertically located at the top end of the moving block.
4. The control switch according to claim 3, characterized in that A spring is arranged between the moving block and the spring support, one end of the spring is elastically connected with the moving block, and the other end of the spring is elastically connected with the spring support.