Multi-gear rotary switch structure
By incorporating slots and damping structures into the multi-position rotary switch structure, the problem of poor position adjustability in existing technologies is solved, enabling flexible position adjustment and perceptible damping feel, while reducing production costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-20
AI Technical Summary
The existing multi-position switch structure has poor adjustability, making it difficult to adjust the position according to customer needs, which increases production costs.
A multi-position rotary switch structure was designed. The number of positions is controlled by setting multiple slots on the base, and the moving contact is electrically connected to the terminals of different positions. The damping feel is adjusted by combining the damping structure and the V-groove of the position ring, and the contact effect is ensured by the protrusion and the compression spring.
It enables flexible adjustment of gear positions and provides a tactile feedback of damping, ensuring the reliability and safety of gear shifting and reducing production costs.
Smart Images
Figure CN224020673U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rotary switch technical field, specifically point to a kind of multi-gear rotary switch structure. BACKGROUND
[0002] Switch refers to an electronic element that can make circuit open circuit, make current interrupt or make it flow to other circuit, at present, mechanical switch on market is divided into: press type, trigger type, dial type, rotary type according to different operation mode, rotary switch is widely used in electric appliance field such as fan, electric light, radio, sound equipment etc. with its convenient use, multi-gear adjustment, positioning reliable and other advantages.
[0003] Current multi-gear switch structure adjustment is poor, after production in same mould, it is difficult to carry out gear adjustment according to customer needs subsequently, and it increases the production cost of manufacturer. INVENTION CONTENTS
[0004] (1) problem to be solved
[0005] The utility model solves the technical problems, overcome above technical defects, provide a kind of multi-gear rotary switch structure that can be adjusted, adapt to multi-gear application, convenient operation and use.
[0006] (2) technical scheme
[0007] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a kind of multi-gear rotary switch structure, including the bottom plate and the cover plate of sleeve joint engagement, the bottom end of the bottom plate is connected with several terminals, the cover plate is rotationally sleeved with handle, and the handle is matched with the damping structure between the cover plate, the lower end of the handle is also connected with the movable contact piece of engagement;
[0008] The terminal includes fixed terminal arranged in the middle part of the base and multiple groups of gear terminals arranged along the circumferential direction of the base, and the lower ends of the movable contact pieces are electrically connected with the fixed terminal and any gear terminal respectively.
[0009] As an improvement, the bottom plate is provided with a plurality of insertion grooves matched with the terminals, and the cross section of the terminal is L-shaped, and the long arm end of the terminal extends to the lower end of the base through the insertion groove.
[0010] As an improvement, the handle includes a shaft and a handle seat connected to the lower end of the shaft, the shaft is rotationally sleeved with the middle part of the cover rod, and extends to the top of the cover plate, and the movable contact piece is engaged in the bottom of the handle seat.
[0011] As an improvement, a horizontal accommodating cavity is formed on the shaft below the cover plate.
[0012] The damping structure comprises an over-dial spring sleeved in the accommodating cavity and a sliding core column sleeved at both ends of the over-dial spring, and the bottom end of the cover plate is downwardly protruded with an over-dial damping ring surrounding the outer side of the shaft rod, and the inner wall of the over-dial damping ring is inwardly recessed with a plurality of dial grooves along the circumferential direction thereof.
[0013] As an improvement, the cross section of the movable contact is a open-upward-shaped, and the bottom end of the handle seat is inwardly recessed with a contact piece groove for accommodating the movable contact.
[0014] As an improvement, the bottom seat is further protruded with a dial ring arranged in a ring shape around the fixed terminal, the contact piece groove is matched with a vertically arranged receiving groove at the position of the dial ring, the receiving groove is provided with a pressing spring, and the contact point of the bottom end of the movable contact and the dial ring is further protruded downwardly with a protrusion;
[0015] The top of the dial ring is inwardly recessed with a plurality of V-shaped grooves along the circumferential direction thereof, the included angle of the plurality of V-shaped grooves and the adjacent V-shaped grooves are circularly arranged, and the included angle of the plurality of V-shaped grooves is one-to-one corresponding to the plurality of dial terminals.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the advantages of the present application are that: in the present application, a plurality of insertion grooves are arranged on the base, the number of gears is controlled by the number of insertion grooves, the adjustment of the gears is controlled by the electrical connection of the movable contact and different dial terminals, and the use needs are met, the V-shaped grooves of the dial ring are matched with the additional damping structure to meet the adjustment of the damping feeling, the gears are conveniently perceived, and the protrusion and the pressing spring ensure the contact effect of the movable contact and different terminals to prevent virtual connection during use. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structural schematic view of a multi-gear rotary switch structure.
[0019] Figure 2 It is a structural schematic view of an explosion diagram of a rotary switch.
[0020] Figure 3 It is a structural schematic view of the lower end of the cover plate.
[0021] Figure 4 It is a structural schematic view of the lower end of the handle seat.
[0022] Figure 5 It is a structural schematic view of the second embodiment.
[0023] Figure 6 It is a structural schematic view of the cover plate and the handle in the second embodiment.
[0024] Figure 7 It is a structural schematic view of the lower end of the cover plate in the second embodiment.
[0025] Figure 8 is a structural schematic diagram of the second embodiment cross-sectional view.
[0026] Figure 9 is a structural schematic diagram of the second embodiment cross-sectional view.
[0027] As shown in the figure: 1, base; 2, cover plate; 3, handle; 4, moving contact; 5, fixed terminal; 6, gear terminal; 7, slot; 8, shaft; 9, handle base; 10, containing cavity; 11, overgear spring; 12, slide core column; 13, overgear damping ring; 14, gear slot; 15, contact slot; 16, gear ring; 17, storage groove; 18, pressing spring; 19, protrusion; 20, V-shaped groove. DETAILED DESCRIPTION
[0028] The specific embodiments of the present application will be further described below with reference to the accompanying drawings. Wherein the same parts are denoted by the same reference numerals.
[0029] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular part.
[0030] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a central element, and when an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. The use of the terms "and / or" includes a set of one or more associated listed items.
[0032] In order to make the content of the present application more easily understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present application.
[0033] Please refer to the accompanying drawings Figures 1-9 A multi-gear rotary switch structure, comprising a base 1 and a cover plate 2 which are connected by a sleeve joint, and a plurality of terminals are connected to the bottom end of the base 1.
[0034] In use, the cover plate 2 is rotatably sleeved with a rotating handle 3, and the rotating handle 3 is matched with a damping structure between the cover plate 2. The lower end of the rotating handle 3 is further clamped and connected with a movable contact piece 4. In use, the terminal includes a fixed terminal 5 arranged in the middle of the base 1 and a plurality of gear terminals 6 arranged along the circumferential direction of the base 1. The lower ends of the movable contact piece 4 are respectively electrically connected with the fixed terminal 5 and any gear terminal 6. The two ends of the movable contact piece 4 are respectively disconnected with the fixed terminal 5 and any gear terminal 6, so as to adjust different circuit connections and complete gear adjustment.
[0035] More specifically, a plurality of insertion grooves 7 are arranged in the base 1 matched with the terminal. The cross section of the terminal is L-shaped. The long arm end of the terminal extends to the lower end of the base 1 through the insertion groove 7. The plurality of gear terminals 6 can be installed at a fixed interval to form different numbers, so as to adjust the number of gears.
[0036] The rotating handle 3 includes a shaft 8 and a handle seat 9 connected to the lower end of the shaft 8. The shaft 8 is rotatably sleeved with the middle of the cover plate 2 and extends to the top of the cover plate 2. The movable contact piece 4 is clamped at the bottom of the handle seat 9. A horizontal accommodating cavity 10 is arranged in the lower part of the cover plate 2. The damping structure includes an over-gear spring 11 sleeved in the accommodating cavity 10 and a sliding core column 12 sleeved at both ends of the over-gear spring 11. The bottom end of the cover plate 2 is downwardly protruded with an over-gear damping ring 13 surrounding the outer side of the shaft 8. A plurality of gear grooves 14 are arranged in the inner wall of the over-gear damping ring 13 along the circumferential direction. The sliding core column 12 is abutted with the gear groove 14, so as to provide a rotating damping feeling.
[0037] The cross section of the movable contact piece 4 is a open-upwardly V-shaped. The bottom end of the handle seat 9 is concave to arrange a contact piece groove 15 for accommodating the movable contact piece 4. The base 1 is further protruded with a gear ring 16 arranged in a ring shape around the fixed terminal 5. A vertical receiving groove 17 is arranged in the contact piece groove 15 matched with the position of the gear ring 16. A pressing spring 18 is arranged in the receiving groove 17. The contact point of the bottom end of the movable contact piece 4 and the gear ring 16 is further protruded downwardly with a protrusion 19. In order to ensure safety in use and facilitate the use of the rotary switch, a plurality of V-shaped grooves 20 are formed in the top of the gear ring 16 along the circumferential direction and are concave. The included angle of the plurality of V-shaped grooves 20 and the adjacent V-shaped grooves 20 are both arranged in a round shape. The included angle of the plurality of V-shaped grooves 20 corresponds to the plurality of gear terminals 6. The rotary use is completed through the pressing spring 18 matched with the V-shaped groove 20 and the protrusion 19, so as to ensure the contact point separation when switching gears.
[0038] Second embodiment:
[0039] Different from the first embodiment, the plurality of gear terminals 6 can be installed at a fixed interval, such as 45° intervals, and a clamping block can be provided on the top side of the handle base, and the bottom end of the cover plate is connected to two sets of gear posts outside the gear damping ring, the clamping block is slidably connected between the two sets of gear posts, and a return spring is further connected between the clamping block and any gear post to provide enhanced rotational resistance setting.
[0040] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.
[0041] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the description will not be repeated here, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.
[0042] The utility model and its implementation mode are described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if those skilled in the art are inspired, without departing from the creative purpose of the utility model, without creative design, similar structure modes and embodiments of the technical scheme should belong to the protection scope of the utility model.
Claims
1. A multi-position rotary switch structure, characterized in that: It includes a base (1) and a cover plate (2) that are fitted together. The bottom end of the base (1) is connected to several terminals. A rotating handle (3) is rotatably fitted inside the cover plate (2). A damping structure is fitted between the rotating handle (3) and the cover plate (2). A movable contact piece (4) is also fitted to the lower end of the rotating handle (3). The terminals include a fixed terminal (5) located in the middle of the base (1) and multiple sets of position terminals (6) arranged along the circumference of the base (1). The two ends of the lower part of the movable contact (4) are electrically connected to the fixed terminal (5) and any position terminal (6) respectively.
2. The multi-position rotary switch structure according to claim 1, characterized in that: The base (1) has several slots (7) for the terminals. The terminals have an L-shaped cross-section and the long arm of the terminal extends through the slot (7) to the lower end of the base (1).
3. The multi-position rotary switch structure according to claim 2, characterized in that: The handle (3) includes a shaft (8) and a handle seat (9) connected to the lower end of the shaft (8). The shaft (8) is rotatably sleeved with the middle part of the cover rod and extends to the top of the cover plate (2). The movable contact piece (4) is engaged at the bottom of the handle seat (9).
4. The multi-position rotary switch structure according to claim 3, characterized in that: The shaft (8) has a horizontally arranged receiving cavity (10) located below the cover plate (2); The damping structure includes a pass spring (11) sleeved in the receiving cavity (10) and a sliding core column (12) sleeved at both ends of the pass spring (11). The bottom end of the cover plate (2) is provided with a pass damping ring (13) that protrudes downward and surrounds the outside of the shaft (8). The inner wall of the pass damping ring (13) is provided with a number of stop grooves (14) along its circumferential direction.
5. A multi-position rotary switch structure according to claim 3 or 4, characterized in that: The cross-section of the movable contact (4) is an upward-opening U-shape, and the bottom end of the handle (9) is recessed with a contact groove (15) for accommodating the movable contact (4).
6. The multi-position rotary switch structure according to claim 5, characterized in that: The base (1) is also provided with a ring-shaped stop ring (16) protruding around the fixed terminal (5). The contact groove (15) is provided with a vertically arranged storage groove (17) that matches the position of the stop ring (16). The storage groove (17) is provided with a pressure spring (18). The bottom end of the moving contact piece (4) and the contact point of the stop ring (16) are also provided with a protrusion (19) protruding downward. The top of the gear ring (16) is concave inward along its circumference to form multiple sets of V-shaped grooves (20). The included angles of the multiple sets of V-shaped grooves (20) and the adjacent V-shaped grooves (20) are all rounded. The included angles of the multiple sets of V-shaped grooves (20) correspond one-to-one with the multiple sets of gear terminals (6).