CN210926546U

CN210926546U - Circuit rotation switching device

Info

Publication number: CN210926546U
Application number: CN201922171015.5U
Authority: CN
Inventors: 陈和生; 陈耀卫; 徐勋爵
Original assignee: Hangzhou Pannello Lighting Technology Co ltd
Current assignee: Hangzhou Pannello Lighting Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-03
Anticipated expiration: 2029-12-06

Abstract

The utility model provides a rotatory auto-change over device of circuit, the device includes: the rotating component is of a tubular structure, one end of the rotating component is provided with a threading port for a lead to pass through, a plurality of conductive first contact components are arranged at intervals in the circumferential direction of the other end of the rotating component, and leads of different circuits enter the rotating component through the threading port and are connected to the corresponding first contact components; the fixing component is of a tubular structure and is sleeved with the rotating component, one end of the fixing component is rotatably connected with the rotating component, the side wall of the other end of the fixing component is provided with a second contact component which is abutted against at most one first contact component, and the second contact component is electrically connected with the power supply; when the rotating component drives the first contact component to rotate, the first contact component in contact with the second contact component is switched, so that different circuits are switched, switched on or switched off. The device switches the circuit in a rotating mode, and the rotating resistance is small; the whole structure is simple, and the structural stability is strong.

Description

Circuit rotation switching device

Technical Field

The utility model relates to a circuit auto-change over device, specific theory relates to a rotatory auto-change over device of circuit.

Background

Traditional double circuit or many circuit switch often need loaded down with trivial details reciprocal switch operation, generally, adopt toggle button position to realize the switching of circuit or the break-make of power, though this kind of structure operation is directly perceived, its inner structure is complicated, and the assembly degree of difficulty is high, and causes the maloperation easily.

Based on the above problems, chinese patent publication No. CN106206131 discloses a shift knob switch for a vehicle, and specifically discloses: the fixed seat is connected with a plurality of elastic top pin contact devices, each elastic fixed pin movable contact device comprises a top pin, a gear spring, an adjusting spring and a movable contact connecting arm, the movable contact is arranged, the lower end of the top pin penetrates through a guide hole of the movable contact connecting arm, and the top pin is limited by a nut; the gear spring is sleeved on the excircle of the ejector pin, the upper end of the gear spring is limited by a step surface on the ejector pin, and the lower end of the gear spring is abutted against the upper end surface of the movable contact connecting arm; the ejector pin is provided with an inner hole, the adjusting spring is placed in the inner hole of the ejector pin, the lower end of the adjusting spring is nailed on the upper end face of the movable contact connecting arm, and the movable contact is fixed on the movable contact connecting arm; a downward pressure head is arranged on the gear rotating block and corresponds to a top pin of the elastic top pin moving contact device; therefore, when the rotary knob drives the gear rotating block to move, the elastic steel ball device is matched with the gear plate to realize gear switching, and meanwhile, a pressure head on the gear rotating block presses or leaves a top pin of the elastic top pin movable contact device to make or break the movable contact and the static contact on the circuit board component; in this scheme, set up the switch into the knob component, when rotatory this knob, the gear revolves the piece and moves thereupon, thereby make elastic steel ball device and gear board cooperation realize the gear and switch, this scheme adopts the structure mode of rotatory switching to solve the structure problem that the maloperation easily takes place through shifting the button position that realizes circuit switching, nevertheless because its steel ball, the movable contact all passes through spring-loaded support, frictional resistance is great at the rotation in-process, bring the operation inconvenience, furthermore, its inner structure is comparatively complicated, the assembling process is loaded down with trivial details, and there is the difficult scheduling problem of steel ball location, the structural stability is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present invention provides a circuit rotation switching device, which switches a circuit in a rotation manner, and has a small rotation resistance; the whole structure is simple, and the structural stability is strong.

Based on the above-mentioned purpose, the utility model provides a rotatory auto-change over device of circuit, the device includes:

the rotating component is of a tubular structure, one end of the rotating component is provided with a threading opening for a lead to pass through, a plurality of conductive first contact components are arranged at intervals in the circumferential direction of the other end of the rotating component, and leads of different circuits enter the rotating component through the threading opening and are connected to the corresponding first contact components;

the fixing component is of a tubular structure and is sleeved with the rotating component, one end of the fixing component is rotatably connected with the rotating component, the side wall of the other end of the fixing component is provided with a second contact component which is abutted against at most one first contact component, and the second contact component is electrically connected with the power supply;

when the rotating component drives the first contact component to rotate, the first contact component in contact with the second contact component is switched, so that different circuits are switched, switched on or switched off.

Preferably, one end of the rotating component, which is provided with the first contact component, is inserted into the fixed component, the middle part of the rotating component is provided with a plurality of first threading holes corresponding to the first contact components, and the conducting wires of different control circuits enter the rotating component through the threading holes and respectively pass through different first threading holes to be connected to the corresponding first contact components.

Preferably, the fixing member is inserted into the rotating member, and a second threading hole is provided in a side wall of the fixing member for passing a wire connected to the second contact member.

Preferably, the first contact member includes a copper sheet attached to an outer wall of an end of the rotating member.

Preferably, the fixed member and the rotating member are coupled by a bearing assembly.

Preferably, the second contact member includes an arc-shaped conductive elastic piece protruding toward the rotating member.

Preferably, the arc-shaped conductive elastic sheet comprises a protruding part and an extending part;

the projection is projected towards the radial direction of the rotating component so as to abut against the side wall of the rotating component;

the extension part extends along the side wall of the fixing part and is buckled on the side wall of the fixing part.

Preferably, a through hole is formed in the fixed part, the extending part of the arc-shaped conductive elastic sheet encircles the outer wall of the fixed part, and the protruding part penetrates through the through hole and abuts against the side wall of the rotating part.

Compared with the prior art, the beneficial effects of the utility model are that:

the device switches the circuit in a rotating mode, and the rotating resistance is small; overall structure is simple, and assembly process is simple, and structural stability is strong.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of an overall structure of a circuit rotation switching device according to a first embodiment of the present invention;

fig. 2 is a schematic diagram of an overall structure of a circuit rotation switching device according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rotating component and a bearing assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fixing member according to a first embodiment of the present invention;

FIG. 5 is a schematic structural view of the fixing member with the second contact member removed according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second contact member according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a position where the first contact member abuts against the second contact member according to an embodiment of the present invention.

Wherein, 1, a rotating component; 2. a fixing member; 3. a bearing assembly;

11. a wire inlet; 12. a first contact member;

21. a second contact member; 22. and a through hole.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, in the description of the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right" and "front", "rear", "left", "right" and "front", "rear", "side", "front", "rear", "side,

The terms "vertical," "horizontal," "top," "bottom," "inner," "clockwise," "counterclockwise," and the like are used in the orientation or positional relationship illustrated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The present embodiment provides a circuit rotation switching apparatus, as shown in fig. 1 and 2, the apparatus includes:

the rotary component 1 is of a tubular structure, one end of the rotary component is provided with a threading port for a lead to pass through, the other end of the rotary component is provided with a plurality of conductive first contact components 12 at intervals in the circumferential direction, and leads of different circuits enter the rotary component 1 through the threading port and are connected to the corresponding first contact components 12;

the fixed component 2 is of a tubular structure and is sleeved with the rotating component 1, one end of the fixed component 2 is rotatably connected with the rotating component 1, a second contact component 21 which is pressed on at most one first contact component 12 is arranged on the side wall of the other end of the fixed component 2, and the second contact component 21 is electrically connected with a power supply;

when the rotating member 1 rotates the first contact member 12, the first contact member 12 contacting the second contact member 21 is switched, thereby switching, turning on or off different circuits. Specifically, the method comprises the following steps:

in a preferred embodiment, one end of the rotating member 1 having the first contact member 12 is inserted into the fixed member 2, as shown in fig. 7, the first contact member 12 is attached to the outer wall of the end of the rotating member 1, and the second contact member 21 protrudes toward the rotating member 1 and abuts against the end thereof.

The middle part of the rotating part 1 is provided with a plurality of first threading holes corresponding to the first contact parts 12, and wires of different control circuits enter the rotating part 1 through the threading holes and respectively pass through different first threading holes to be connected to the corresponding first contact parts 12.

Preferably, as shown in fig. 5, a second threading hole is provided on a side wall of the fixing member 2 for a wire connected to the second contact member 21 to pass through.

Preferably, the first contact member 12 includes a copper sheet attached to an outer wall of an end of the rotating member 1.

Preferably, as shown in fig. 3, the fixed member 2 and the rotating member 1 are connected by a bearing assembly 3.

Preferably, the second contact member 21 includes an arc-shaped conductive elastic sheet protruding or tilting toward the rotating member 1.

Preferably, as shown in fig. 4 and 6, the arc-shaped conductive elastic sheet comprises a protruding part and an extending part;

the protruding portion protrudes toward the radial direction of the rotating member 1 so as to abut on the side wall of the rotating member 1;

the extension part extends along the side wall of the fixing part 2 and is buckled on the side wall of the fixing part 2.

Preferably, as shown in fig. 4 and 5, a through hole 22 is provided on the fixed component 2, the extending portion of the arc-shaped conductive elastic sheet surrounds the outer wall of the fixed component 2, and the protruding portion passes through the through hole 22 and abuts against the side wall of the rotating component 1.

Preferably, a detent structure (not shown) is provided between the rotating member 1 and the fixed member 2, such as external teeth provided on the outer wall of the rotating member 1 and internal teeth provided on the inner wall of the fixed member 2, the external teeth and the internal teeth being engaged, so that the detent structure can provide a click feeling or fix the position of the rotating member 1 to prevent the rotational degree of freedom from being too large when the rotating member 1 rotates more than one length of the first contact member 12.

In this embodiment, since the first contact member 12 is a sheet-like structure capable of being stuck to the end of the rotating member 1 and the second contact member 21 is arc-shaped, when the first contact member 12 rotates following the rotating member 1, the frictional force between the first contact member 12 and the second contact member 21 is small, and thus the rotational resistance thereof is small.

In another preferred embodiment, the difference from the above solution is that the fixing member is inserted into the rotating member, the first contact member is attached to the inner wall of the end of the rotating member, the second contact portion protrudes outward to abut against the first contact member, and the side wall of the fixing member is provided with a second threading hole for passing a wire connected to the second contact member.

In conclusion, the device switches the circuit in a rotating mode, and the rotating resistance is small; overall structure is simple, and assembly process is simple, and structural stability is strong.

Further, it should be noted that:

in the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. A circuit rotation switching device is characterized in that,

the rotary component (1) is of a tubular structure, one end of the rotary component is provided with a threading port for a lead to pass through, a plurality of conductive first contact components (12) are arranged at intervals in the circumferential direction of the other end of the rotary component, and leads of different circuits enter the rotary component (1) through the threading port and are connected to the corresponding first contact components (12);

the fixing component (2) is of a tubular structure and is sleeved with the rotating component (1), one end of the fixing component (2) is rotatably connected with the rotating component (1), the side wall of the other end of the fixing component is provided with a second contact component (21) which is pressed against at most one first contact component (12), and the second contact component (21) is electrically connected with a power supply;

when the rotating component (1) drives the first contact component (12) to rotate, the first contact component (12) in contact with the second contact component (21) is switched, so that different circuits are switched, conducted or disconnected.

2. The circuit rotation switching device according to claim 1, wherein one end of the rotating member (1) having the first contact member (12) is inserted into the fixed member (2), a plurality of first threading holes corresponding to the first contact member (12) are provided in a middle portion of the rotating member (1), and wires of different control circuits enter the rotating member (1) through the threading holes and are connected to the corresponding first contact members (12) through the different first threading holes, respectively.

3. The circuit rotation switching device according to claim 1, wherein the fixing member (2) is inserted into the rotating member (1), and a second threading hole for passing a wire connected to the second contact member (21) is provided on a side wall of the fixing member (2).

4. The circuit rotation switching device according to claim 1, wherein the first contact member (12) comprises a copper sheet attached to an outer wall of an end portion of the rotating member (1).

5. The circuit rotation switching device according to any one of claims 1 to 4, wherein the stationary member (2) and the rotating member (1) are connected by a bearing assembly (3).

6. The circuit rotation switching device according to any one of claims 1 to 4, wherein the second contact member (21) comprises an arc-shaped conductive dome protruding toward the rotating member (1).

7. The rotary circuit switching device according to claim 6, wherein the arc-shaped conductive dome comprises a protrusion and an extension;

the protruding part protrudes towards the radial direction of the rotating component (1) so as to abut against the side wall of the rotating component (1);

the extension part extends towards two sides along the side wall of the fixing part (2) and is buckled on the side wall of the fixing part (2).

8. The circuit rotation switching device according to claim 7, wherein the fixed member (2) is provided with a through hole (22), the extending portion of the arc-shaped conductive elastic sheet surrounds the outer wall of the fixed member (2), and the protruding portion passes through the through hole (22) and abuts against the side wall of the rotating member (1).