Novel rotary switch

Abstract

The utility model discloses a novel rotary switch. The upper shell and the lower shell are connected in a buckled mode, the bottom of the lower shell is provided with a first terminal, a second terminal and a third terminal, the lower shell is provided with a first extending part, a containing groove is formed in the first extending part, a diode is arranged in the containing groove, and a lead on the diode is connected with the second terminal and the third terminal respectively. A first movable elastic sheet is arranged on the second terminal, a second movable elastic sheet is arranged on the third terminal, a U-shaped fixed elastic sheet is arranged on the first terminal, and the U-shaped fixed elastic sheet is respectively in contact connection with the first movable elastic sheet and the second movable elastic sheet; the upper shell is provided with a second extension portion matched with the first extension portion, the inner side of the second extension portion is provided with a receding groove, the diode is arranged in the rotary switch, different working requirements of the rotary switch can be directly preset, and the rotary switch has the advantages of being ingenious in structure, convenient to use and practical.

Description

Technical Field

[0001] The utility model relates to a rotary switch, in particular to a novel rotary switch which is used for motor control and has a built-in diode. Background Art

[0002] When a rotary switch controls a motor, in order to prevent the motor from rotating backwards, it is generally necessary to connect some additional diodes to control the direction of current flow, thereby accurately controlling the direction of the motor. Traditional rotary switches and corresponding diodes are usually two separate parts that need to be installed together when in use, which brings some inconvenience to installation. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a novel rotary switch, which can effectively solve the problem that the rotary switch and the corresponding diode are usually two separate parts, which makes installation inconvenient. By arranging the diode in the rotary switch, different working requirements of the rotary switch can be directly preset, and the utility model has the characteristics of ingenious structure, convenience and practicality.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a novel rotary switch, comprising a rotating shaft and an upper shell and a lower shell connected by a buckle, a first terminal is provided on one side of the bottom of the lower shell, and a second terminal and a third terminal are provided in parallel on the other side corresponding to the lower shell, characterized in that: a first extension portion extending outward is provided on the side of the lower shell where the second terminal and the third terminal are located, a plurality of positioning edges are provided in the first extension portion, a storage groove is formed between the positioning edges, a diode is provided in the storage groove, and a gap for placing the lead of the diode is provided on the positioning edge;

[0005] The lead wires on the diode are respectively connected to the second terminal and the third terminal, the second terminal is provided with a first movable elastic piece, the third terminal is provided with a second movable elastic piece, the first terminal is provided with a U-shaped fixed elastic piece, and the U-shaped fixed elastic piece is respectively contact-connected with the first movable elastic piece and the second movable elastic piece;

[0006] The upper shell is provided with a second extension portion matched with the first extension portion, and the inner side of the second extension portion is provided with a clearance groove matched with the diode.

[0007] Furthermore, a turntable is provided at the lower end of the rotating shaft, and a plurality of lowering grooves are provided at the lower end of the turntable. The first movable elastic piece and the second movable elastic piece are both in contact and conduction with the U-shaped fixed elastic piece when reaching the lowering grooves, and the first movable elastic piece, the second movable elastic piece and the U-shaped fixed elastic piece are in staggered contact and conduction with each other.

[0008] Furthermore, the lower end of the rotating shaft is provided with a plurality of flower-shaped grooves evenly distributed along its circumferential surface, and the lower shell body is provided with a plurality of positioning beads matched with the flower-shaped grooves and a plurality of compression springs for providing positioning force to the positioning beads.

[0009] Furthermore, the lower shell body is provided with a plurality of U-shaped portions for limiting the movable range of the positioning beads and the compression spring, the U-shaped portions are corresponding, the U-shaped portions are arched toward the inner side of the lower shell body, the middle of the bottom of the U-shaped portion is empty, and a plurality of slots are provided on both sides of the U-shaped portion.

[0010] Furthermore, a plurality of fixing parts cooperating with the U-shaped portion are provided at the bottom of the lower shell body, and a sliding groove for facilitating the movement of the positioning bead and the compression spring is provided on the fixing part, and a plurality of hooks are provided on both sides of the sliding groove, and the hooks cooperate with the slots.

[0011] The utility model adopts the above 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 and the corresponding diode are usually two separate parts, which are inconvenient to install. By arranging the diode in the rotary switch, different working requirements of the rotary switch can be directly preset, and it has the characteristics of ingenious structure, convenience and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attached Figure 1 It is a structural schematic diagram of the utility model.

[0013] Attached Figure 2 It is a schematic diagram of the split structure of the utility model.

[0014] Attached Figure 3 It is a structural schematic diagram of the lower shell in the utility model.

[0015] Attached Figure 4 It is a structural schematic diagram of the upper shell in the utility model.

[0016] Attached Figure 5 It is a structural schematic diagram of the fixing member in the utility model.

[0017] In the figure: shaft 1, turntable 101, lowering groove 102, flower-shaped groove 103, upper shell 2, second extension part 201, air avoidance groove 202, lower shell 3, first extension part 301, positioning edge 302, storage groove 303, air avoidance gap 304, U-shaped part 305, card slot 306, first terminal 4, U-shaped fixed elastic piece 401, second terminal 5, first movable elastic piece 501, third terminal 6, second movable elastic piece 601, diode 7, lead 701, positioning bead 8, compression spring 9, fixing part 10, sliding groove 1001, hook 1002. DETAILED DESCRIPTION

[0018] 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.

[0019] 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.

[0020] See attached Figures 1 to 5 The utility model comprises a rotating shaft 1 and an upper shell 2 and a lower shell 3 connected by a buckle, wherein a first terminal 4 is arranged on one side of the bottom of the lower shell 3, and a second terminal 5 and a third terminal 6 are arranged in parallel on the other side corresponding to the lower shell 3, and the utility model is characterized in that: a first extension portion 301 extending outward is arranged on the side of the lower shell 3 where the second terminal 5 and the third terminal 6 are located, a plurality of positioning edges 302 are arranged in the first extension portion 301, and a storage groove 303 is formed between the positioning edges 302, a diode 7 is arranged in the storage groove 303, and a gap 304 for accommodating the lead 701 of the diode 7 is arranged on the positioning edge 302;

[0021] The lead wire 701 on the diode 7 is connected to the second terminal 5 and the third terminal 6 respectively. The second terminal 5 is provided with a first elastic piece 501, the third terminal 6 is provided with a second elastic piece 601, and the first terminal 4 is provided with a U-shaped fixed elastic piece 401. The U-shaped fixed elastic piece 401 is contact-connected with the first elastic piece 501 and the second elastic piece 601 respectively.

[0022] The upper shell 2 is provided with a second extending portion 201 matched with the first extending portion 301 , and the inner side of the second extending portion 201 is provided with a avoiding groove 202 matched with the diode 7 .

[0023] Furthermore, a turntable 101 is provided at the lower end of the rotating shaft 1, and a plurality of lowering grooves 102 are provided at the lower end of the turntable 101. The first movable elastic piece 501 and the second movable elastic piece 601 are both in contact and conduction with the U-shaped fixed elastic piece 401 when reaching the lowering groove 102. The first movable elastic piece 501, the second movable elastic piece 601 and the U-shaped fixed elastic piece 401 are in staggered contact and conduction with each other.

[0024] Furthermore, the lower end of the rotating shaft 1 is provided with a plurality of flower-shaped grooves 103 evenly distributed along its circumferential surface, and the lower shell 3 is provided with a plurality of positioning beads 8 matching the flower-shaped grooves 103 and a plurality of compression springs 9 for providing positioning force to the positioning beads 8.

[0025] Furthermore, the lower shell 3 is provided with a plurality of U-shaped portions 305 for limiting the movable range of the positioning beads 8 and the compression spring, the U-shaped portions 305 are corresponding, the U-shaped portions 305 are arched toward the inner side of the lower shell 3, the middle of the bottom of the U-shaped portion 305 is empty, and a plurality of slots 306 are provided on both sides of the U-shaped portion 305.

[0026] Furthermore, a plurality of fixing parts 10 cooperating with the U-shaped portion 305 are provided at the bottom of the lower shell body 3, and a sliding groove 1001 is provided on the fixing part 10 for facilitating the movement of the positioning bead 8 and the compression spring 9, and a plurality of hooks 1002 are provided on both sides of the sliding groove 1001, and the hooks 1002 cooperate with the slot 306.

[0027] When in use, since the diode 7 is already built into the rotary switch, the first terminal 4, the second terminal 5 and the third terminal 6 only need to be connected to the corresponding power supply and motor wiring, and there is no need to weld an additional diode, which saves the installation process. The upper shell 2 and the lower shell 3 are connected by a buckle. If the built-in diode 7 is found to be damaged during subsequent maintenance, the damaged diode 7 can be replaced by removing the buckle.

[0028] 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.

[0029] 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.

[0030] 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.

[0031] 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.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", 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.

[0033] 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 rotating shaft and an upper shell and a lower shell connected by a buckle, wherein one side of the bottom of the lower shell is provided with a first terminal, and the other side thereof is provided with a second terminal and a third terminal in parallel, characterized in that: A first extension portion extending outward is provided on the side of the lower housing where the second terminal and the third terminal are located, a plurality of positioning edges are provided in the first extension portion, a placement groove is formed between the positioning edges, a diode is provided in the placement groove, and a gap for placing the lead wire of the diode is provided on the positioning edge; The lead wires on the diode are respectively connected to the second terminal and the third terminal, the second terminal is provided with a first movable elastic piece, the third terminal is provided with a second movable elastic piece, the first terminal is provided with a U-shaped fixed elastic piece, and the U-shaped fixed elastic piece is respectively contact-connected with the first movable elastic piece and the second movable elastic piece; The upper shell is provided with a second extension portion matched with the first extension portion, and the inner side of the second extension portion is provided with a clearance groove matched with the diode.

2. A novel rotary switch according to claim 1, characterized in that: A turntable is provided at the lower end of the rotating shaft, and a plurality of lowering grooves are provided at the lower end of the turntable. The first movable elastic piece and the second movable elastic piece are both in contact and conduction with the U-shaped fixed elastic piece when they reach the lowering grooves. The first movable elastic piece, the second movable elastic piece and the U-shaped fixed elastic piece are in staggered contact and conduction with each other.

3. A novel rotary switch according to claim 1, characterized in that: The lower end of the rotating shaft is provided with a plurality of flower-shaped grooves evenly distributed along its circumferential surface, and the lower shell body is provided with a plurality of positioning beads matched with the flower-shaped grooves and a plurality of compression springs for providing positioning force to the positioning beads.

4. A novel rotary switch according to claim 3, characterized in that: The lower shell body is provided with a plurality of U-shaped portions for limiting the movable range of the positioning beads and the compression spring, the U-shaped portions are corresponding to each other, the U-shaped portions are arched toward the inner side of the lower shell body, the middle of the bottom of the U-shaped portion is empty, and a plurality of slots are provided on both sides of the U-shaped portion.

5. A novel rotary switch according to claim 4, characterized in that: The bottom of the lower shell is provided with a plurality of fixing parts matched with the U-shaped part, and the fixing parts are provided with sliding grooves for facilitating the movement of the positioning beads and the compression springs. Both sides of the sliding groove are provided with a plurality of hooks, and the hooks are matched with the slots.

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