Novel rotary switch

Abstract

The utility model discloses a novel rotary switch. The switch comprises a surface cover, a shaft center, a bottom shell, a torsion spring, a plurality of movable elastic sheets and a plurality of movable contact sheets, the surface cover is connected with the bottom shell in a buckled mode, a circular rotating cavity is formed in the center of the inner side of the bottom shell, an inner boss protruding upwards is arranged in the center of the bottom face of the rotating cavity, a positioning hole and a supporting ring are arranged on the inner boss, and the supporting ring is matched with the movable contact sheets; a circular turntable is arranged at the end part of the lower end of the axis, a conductive groove is formed in the turntable, an anti-falling groove is formed in the inward side of the middle part of the conductive groove, and a plurality of raised anti-falling blocks are arranged in the conductive groove; according to the technical scheme of the utility model, the structure of the shaft center and the structure of the movable contact piece are strengthened, and the bottom shell supports the movable contact piece, so that the anti-vibration performance of the movable contact piece can be improved, and the service life of parts can be prolonged. The device has the characteristics of ingenious structure and durability.

Description

Technical Field

[0001] The utility model relates to a novel rotary switch. Background Art

[0002] Current rotary switches need to rotate frequently due to working factors, and the working environment may be subject to continuous vibration, which can easily cause the moving contact piece located in the middle position to loosen, resulting in poor conductivity or even damage. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a new type of rotary switch, which can effectively solve the problem that the movable contact piece located in the middle position is easily loosened due to the rotary switch. By strengthening the structure of the axis and the movable contact piece and adding the support of the bottom shell to the movable contact piece, the vibration resistance of the movable contact piece can be improved, the service life of the components can be increased, and the utility model has the characteristics of ingenious structure and durability.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a new type of rotary switch, including a face cover, an axis, a bottom shell, a torsion spring, and a plurality of movable springs and movable contact pieces, the face cover is snap-connected with the bottom shell, and is characterized in that: the contact surfaces of the face cover and the bottom shell are both square, a circular rotating cavity is provided at the center position of the inner side of the bottom shell, a plurality of clamping cavities are provided on the side of the rotating cavity, the clamping cavities are respectively arranged on the four inner corners of the inner side of the bottom shell, an inner boss protruding upward is provided at the center position of the bottom surface of the rotating cavity, a positioning hole and a support ring are provided on the inner boss, the positioning hole is provided at the center position of the inner boss, the support ring is provided outside the positioning hole, and the support ring cooperates with the movable contact piece;

[0005] The axis passes through the cover, and a circular turntable is provided at the lower end of the axis, and the turntable is arranged in the rotating cavity. A positioning block matching the positioning hole is provided at the main position in the bottom surface of the turntable, and a plurality of conductive grooves for placing the moving contact pieces are provided on the outer side of the positioning block, and the conductive grooves are arranged in a mirror-like manner. Contact grooves extending to the circumferential side of the turntable are provided at the upper and lower ends of the conductive grooves, and a reinforcement groove is provided at the lower end of the contact groove, and the width of the reinforcement groove is greater than the width of the contact groove. An anti-slip groove is provided on the inner side of the middle part of the conductive groove, and a plurality of raised anti-slip blocks are provided in the conductive groove;

[0006] An anti-slip portion cooperating with the anti-slip groove is provided on the inner side of the middle part of the moving contact piece, a first conductive portion cooperating with the contact groove is provided on both the left and right ends of the moving contact piece, a reinforcement portion cooperating with the reinforcement groove is provided at the lower end of the first conductive portion, and a plurality of anti-slip holes cooperating with the anti-slip block are provided on the moving contact piece.

[0007] Furthermore, a second conductive part cooperating with the first conductive part is provided at the inward end of the movable elastic piece, one end of the second conductive part is connected to the movable elastic piece body and the angle between the two is greater than 90 degrees and less than 180 degrees, and an avoidance hook is provided at the other end of the second conductive part, and the bending direction of the avoidance hook is opposite to the position of the turntable.

[0008] Furthermore, the movable spring piece is arranged in the clamping cavity, and the conductive polarity of the movable spring piece in the bottom shell is diagonally distributed with different polarities.

[0009] Furthermore, a deformation groove is provided at the end of the movable elastic piece facing outwards for enhancing the structural strength of this part.

[0010] The utility model adopts the above-mentioned technical solution, overcomes the shortcomings of the background technology, and provides a new type of rotary switch, which can effectively solve the problem that the rotary switch easily causes the movable contact piece located in the middle position to loosen. By strengthening the structure of the axis and the movable contact piece, and adding the support of the bottom shell to the movable contact piece, the vibration resistance performance of the movable contact piece can be improved, and the service life of the components can be increased. It has the characteristics of ingenious structure and durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Attached Figure 1 It is a schematic diagram of the split structure of the utility model.

[0012] Attached Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0013] Attached Figure 3 It is a structural schematic diagram of the bottom shell of the utility model.

[0014] Attached Figure 4 It is a structural schematic diagram of the central axis of the utility model.

[0015] Attached Figure 5 It is a structural schematic diagram of the moving contact piece in the utility model.

[0016] Attached Figure 6 It is a structural schematic diagram of the movable spring in the utility model.

[0017] Attached Figure 7 It is a schematic diagram of the normally closed state of the utility model.

[0018] Attached Figure 8 This is a schematic diagram of the first conducting state of the utility model.

[0019] Attached Fig. 9 This is a schematic diagram of the second conducting state of the utility model.

[0020] In the figure: cover 1, axis 2, turntable 201, positioning block 202, conductive slot 203, contact slot 204, reinforcement slot 205, anti-slip slot 206, anti-slip block 207, normally closed slot 208, bottom shell 3, rotating cavity 301, clamping cavity 302, inner boss 303, positioning hole 304, support ring 305, torsion spring 4, moving spring piece 5, second conductive part 501, avoidance hook 502, deformation slot 503, moving contact piece 6, anti-slip part 601, first conductive part 602, reinforcement part 603, anti-slip hole 604. DETAILED DESCRIPTION

[0021] The following descriptions of the embodiments are made with reference to the attached drawings to illustrate specific embodiments in which the present invention may be implemented. The directional terms mentioned in the present invention, such as up, down, front, back, left, right, inside, outside, side, etc., are only used with reference to the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, but are not used to limit the present invention. In the drawings, units with similar structures are represented by the same reference numerals.

[0022] The following further describes the specific implementation modes of the present invention in conjunction with the accompanying drawings to make the technical solutions and beneficial effects of the present invention clearer and more specific.

[0023] See attached Figures 1 to 9 The utility model comprises a cover 1, an axis 2, a bottom shell 3, a torsion spring 4, and a plurality of movable springs 5 ​​and a movable contact piece 6. The cover 1 is snap-connected with the bottom shell 3, and is characterized in that: the contact surfaces of the cover 1 and the bottom shell 3 are both square, a circular rotating cavity 301 is provided at the center of the inner side of the bottom shell 3, a plurality of fixing cavities 302 are provided on the side of the rotating cavity 301, and the fixing cavities 302 are respectively arranged on the four inner corners of the inner side of the bottom shell 3, an inner boss 303 protruding upward is provided at the center of the bottom surface of the rotating cavity 301, a positioning hole 304 and a support ring 305 are provided on the inner boss 303, the positioning hole 304 is provided at the center of the inner boss 303, the support ring 305 is provided on the outer side of the positioning hole 304, and the support ring 305 cooperates with the movable contact piece 6;

[0024] The axis 2 passes through the cover 1, and a circular turntable 201 is provided at the lower end of the axis 2. The turntable 201 is arranged in the rotating cavity 301. A positioning block 202 matching the positioning hole 304 is provided at the main position in the bottom surface of the turntable 201. A plurality of conductive grooves 203 for placing the movable contact piece 6 are provided on the outer side of the positioning block 202. The conductive grooves 203 are arranged in a mirror-like manner. Contact grooves 204 extending to the circumferential side of the turntable 201 are provided at the upper and lower ends of the conductive grooves 203. A reinforcement groove 205 is provided at the lower end of the contact groove 204. The width of the reinforcement groove 205 is greater than that of the contact groove 204. An anti-slip groove 206 is provided on the inner side of the middle part of the conductive groove 203, and a plurality of raised anti-slip blocks 207 are provided in the conductive groove 203.

[0025] An anti-slip portion 601 cooperating with the anti-slip groove 206 is provided on the inner side of the middle part of the moving contact piece 6, and a first conductive portion 602 cooperating with the contact groove 204 is provided on both the left and right ends of the moving contact piece 6, and a reinforcement portion 603 cooperating with the reinforcement groove 205 is provided at the lower end of the first conductive portion 602, and a plurality of anti-slip holes 604 cooperating with the anti-slip block 207 are provided on the moving contact piece 6.

[0026] Furthermore, a second conductive part 501 cooperating with the first conductive part 602 is provided at the inward end of the movable elastic piece 5, one end of the second conductive part 501 is connected to the main body of the movable elastic piece 5 and the angle between the two is greater than 90 degrees and less than 180 degrees, and an avoidance hook 502 is provided at the other end of the second conductive part 501, and the bending direction of the avoidance hook 502 is opposite to the position of the turntable 201.

[0027] Furthermore, the movable spring piece 5 is arranged in the clamping cavity 302, and the conductive polarity of the movable spring piece 5 in the bottom shell 3 is diagonally distributed with different polarities.

[0028] Furthermore, a deformation groove 503 is provided at the end of the movable elastic piece 5 facing outwards for enhancing the structural strength of this part.

[0029] When in use, a reinforcement groove 205, an anti-slip groove 206 and an anti-slip block 207 are added to the axis 2 on the basis of the conductive groove 203 and the contact groove 204. Together with the anti-slip portion 601, the reinforcement portion 603 and the anti-slip hole 604 on the moving contact piece 6, the moving contact piece 6 can be more firmly fixed on the axis 2 and not easily loosened. At the same time, a support ring 305 corresponding to the moving contact piece 6 is arranged on the bottom shell 3, which can further support the moving contact piece 6, and can also reduce the contact surface between the bottom shell 3 and the axis 2, thereby reducing the friction between the two, so that the rotation of the axis 2 is smooth, with less resistance and more durable. The second conductive portion 50 on the moving spring piece 5 and the first conductive portion 602 on the moving contact piece 6 can make large-area contact, which improves the conductive effect and makes the contact surface between the two more durable.

[0030] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods, and improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, or an electrical connection, it can be a direct connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0035] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A novel rotary switch, comprising a cover, an axis, a bottom shell, a torsion spring, and a plurality of movable springs and movable contact pieces, wherein the cover is snap-connected with the bottom shell, and characterized in that: The contact surfaces of the face cover and the bottom shell are both square, a circular rotating cavity is provided at the center of the inner side of the bottom shell, a plurality of clamping cavities are provided on the side of the rotating cavity, the clamping cavities are respectively provided on the four inner corners of the inner side of the bottom shell, an inner boss protruding upward is provided at the center of the bottom surface of the rotating cavity, a positioning hole and a support ring are provided on the inner boss, the positioning hole is provided at the center of the inner boss, the support ring is provided outside the positioning hole, and the support ring cooperates with the moving contact piece; The axis passes through the cover, and a circular turntable is provided at the lower end of the axis, and the turntable is arranged in the rotating cavity. A positioning block matching the positioning hole is provided at the main position in the bottom surface of the turntable, and a plurality of conductive grooves for placing the moving contact pieces are provided on the outer side of the positioning block, and the conductive grooves are arranged in a mirror-like manner. Contact grooves extending to the circumferential side of the turntable are provided at the upper and lower ends of the conductive grooves, and a reinforcement groove is provided at the lower end of the contact groove, and the width of the reinforcement groove is greater than the width of the contact groove. An anti-slip groove is provided on the inner side of the middle part of the conductive groove, and a plurality of raised anti-slip blocks are provided in the conductive groove; An anti-slip portion cooperating with the anti-slip groove is provided on the inner side of the middle part of the moving contact piece, a first conductive portion cooperating with the contact groove is provided on both the left and right ends of the moving contact piece, a reinforcement portion cooperating with the reinforcement groove is provided at the lower end of the first conductive portion, and a plurality of anti-slip holes cooperating with the anti-slip block are provided on the moving contact piece.

2. A novel rotary switch according to claim 1, characterized in that: A second conductive part matching with the first conductive part is provided at the inward end of the movable elastic piece, one end of the second conductive part is connected to the movable elastic piece body and the angle between the two is greater than 90 degrees and less than 180 degrees, and an avoidance hook is provided at the other end of the second conductive part, and the bending direction of the avoidance hook is opposite to the position of the turntable.

3. A novel rotary switch according to claim 1, characterized in that: The movable spring piece is arranged in the clamping cavity, and the conductive polarity of the movable spring piece in the bottom shell is diagonally distributed with different polarities.

4. A novel rotary switch according to claim 1, characterized in that: The end of the movable elastic piece facing outward is provided with a deformation groove for enhancing the structural strength of this part.

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