CN213716774U

CN213716774U - Small-sized rotary switch

Info

Publication number: CN213716774U
Application number: CN202023001617.5U
Authority: CN
Inventors: 吴金龙; 董志强; 刘飞; 赵东芝; 陈鸣远; 方正
Original assignee: Yueqing Jinlong Electronic Industrial Co ltd
Current assignee: Yueqing Jinlong Electronic Industrial Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-16
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a miniature rotary switch, wherein, including the casing, be equipped with first conducting strip, a plurality of second conducting strip that is array distribution, connecting piece and pivot for connecting first conducting strip and second conducting strip on the casing, be equipped with a plurality of annular protruding muscle in the pivot, be equipped with the breach on the annular protruding muscle, be equipped with the elastic part on the connecting piece, the elastic part is located the movement track of annular protruding muscle, connecting piece one end is connected with the second conducting strip, the other end realizes being connected or breaking away with first conducting strip through the cooperation of annular protruding muscle and elastic part; the utility model discloses overall structure is little, be convenient for connect fixedly, rotate stably.

Description

Small-sized rotary switch

Technical Field

The utility model relates to a miniature rotary switch.

Background

The rotary switch is more and more in variety, but in some cases, the rotary switch needs to be mounted on a circuit board, so that the conventional rotary switch is difficult to realize the connection effect with the circuit board, and has a large volume, so that a small rotary switch is urgently needed.

Disclosure of Invention

The utility model discloses the main technical problem who solves provides a miniature rotary switch.

The utility model discloses the technical scheme who solves its technical problem and adopt is: the utility model provides a miniature rotary switch, wherein, which comprises a housin, be equipped with first conducting strip on the casing, a plurality of is array distribution's second conducting strip, a connecting piece and a pivot for connecting first conducting strip and second conducting strip, be equipped with the protruding muscle of a plurality of annular in the pivot, be equipped with the breach on the protruding muscle of annular, be equipped with the elasticity portion on the connecting piece, the elasticity portion is located the trajectory of motion of the protruding muscle of annular, connecting piece one end is connected with the second conducting strip, the other end passes through the protruding muscle of annular and the cooperation realization of elasticity portion and is connected or the disconnection of first conducting strip.

By adopting the structure, the annular convex rib is abutted against or separated from the elastic part by rotating the rotating shaft, and in the first state, when the annular convex rib is abutted against the elastic part, the connecting piece is disconnected from the first conducting strip, namely the first conducting strip is not electrically connected with the second conducting strip; in the second state, when the elastic part is embedded into the notch, the connecting piece is connected with the first conducting strip, namely the first conducting strip and the second conducting strip form an electrical connection effect. The position and the size of the notch on the annular convex rib can be adjusted according to actual use requirements.

Wherein, the elastic part is located the center of connecting piece, and the elastic part is towards annular protruding muscle one side.

The elastic part is arranged in the middle, so that the connection is more stable.

Wherein, the elastic part is arranged in a V shape.

Through the V-shaped arrangement, better and annular convex rib cooperation is realized breaking the effect.

Wherein, the connecting piece is provided with a reinforcing rib.

The setting of strengthening rib improves the bulk strength of connecting piece, and the strengthening rib can improve holistic electric connection effect moreover.

The gear shifting mechanism comprises a rotating shaft, a cam and a gear piece, wherein the cam is provided with a boss, the rotating shaft is provided with the gear piece, the gear piece is provided with a plurality of grooves distributed in a circumferential array mode, and the boss slides in the grooves.

Through the cooperation of cam and gear piece, form many gears and connect fixed effect for the fixed effect of formation location after the pivot rotates.

Wherein, be equipped with the piece that resets between casing and the cam.

Through the setting of the piece that resets, form buffering effect, improve holistic pivoted stability.

Wherein, the shell is provided with a positioning groove, and the reset part extends into the positioning groove.

Through the setting of constant head tank for the realization that the piece that resets can be better is fixed and the installation.

Wherein, the shell is provided with a slot, and the second conducting strip extends into the slot for fixation.

Through the arrangement of the slot, the second conducting strip forms fixing and isolating effects.

Wherein, the rotating shaft is arranged in an integrated manner.

The rotating shaft is integrally formed, so that the processing is more convenient.

The shell comprises a base body, an upper cover and a bottom cover, the upper cover is fixedly connected with the upper end of the base body, and the bottom cover is fixedly connected with the lower end of the base body.

Through the setting of upper cover and bottom, be convenient for installation and maintenance more.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is an exploded view of embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of a substrate in example 1 of the present invention;

fig. 4 is a schematic structural view of another angle of the base body in embodiment 1 of the present invention;

fig. 5 is a schematic view of the internal structure of embodiment 1 of the present invention;

fig. 6 is a schematic structural view of a rotating shaft in embodiment 1 of the present invention;

fig. 7 is a schematic structural view of a rotating shaft in embodiment 2 of the present invention.

Detailed Description

Example 1:

referring to fig. 1 to 6, a compact rotary switch includes a housing 1, and the housing 1 includes a base 2, an upper cover 3, and a lower cover 4.

The upper cover 3 is connected fixedly with 2 upper ends of base member, and here specifically be detachable fixed, specifically be equipped with first draw-in groove 31 on the upper cover 3, be equipped with a plurality of buckle 21 on the base member 2, realize being connected fixed effect through first draw-in groove 31 and buckle 21 cooperation, also can form detachable fixed effect here through bolted connection.

The bottom cover 4 is also detachably fixed with the lower end of the base body 2, specifically, a second clamping groove 41 corresponding to the buckle 21 is arranged on the bottom cover 4, the second clamping groove 41 is matched with the buckle 21 to realize the effect of connection and fixation, and the detachable fixation effect can be formed through bolt connection. Through the setting of separation between upper cover 3, bottom 4 and base member 2, be convenient for installation and maintenance more.

The base body 2 is provided with a first conducting strip 5, a plurality of second conducting strips 6 distributed in an array, a connecting piece 7 for connecting the first conducting strip 5 and the second conducting strips 6, and a rotating shaft 8.

The first conductive sheet 5 and the second conductive sheet 6 are respectively disposed on two sides of the housing 1, the first conductive sheet 5 is provided with a first horizontal portion 51 and a first connecting portion 52 connected to the circuit board, the first horizontal portion 51 is vertically connected to the first connecting portion 52, the first horizontal portion 51 is located in the housing 1, and the length of the first horizontal portion 51 corresponds to that of all the second conductive sheets 6, if the length of the second conductive sheets 6 is five, the first horizontal portion 51 corresponds to the entire length of the second conductive sheets. The first connecting portion 52 extends out of the housing 1 through the slot 22 on the substrate 2 and the bottom cover 4, and the portion extending out of the housing 1 may be a pin type or a chip type.

The second conductive plates 6 are located on the other side of the housing 1, where the number of the second conductive plates 6 can be increased or decreased according to actual requirements, and for better illustration, the second conductive plates are divided into a first conductive plate 61, a second conductive plate 62, a third conductive plate 63, a fourth conductive plate 64 and a fifth conductive plate 65 according to the distance close to the cam.

In the present embodiment, only five second conductive sheets 6 are taken as an example, the structures of the second conductive sheets 6 are consistent, and only one of the structures of the second conductive sheets 6 is described.

One end of the second conductive plate 6 is located in the substrate 2, and is horizontally arranged with the first horizontal portion 51, and is separately arranged on two sides of the substrate 2, and the other end of the second conductive plate passes through the slot 21 on the substrate 2 and the bottom cover 4 and extends out of the housing 1, where the portion extending out of the housing 1 may be a pin type or a patch type, and it should be noted that the connection modes between the first conductive plate 5, the second conductive plate 6 and the circuit board need to be consistent, or a pin type connection or a patch type connection.

The number of the connecting pieces 7 is the same as that of the second conductive pieces 6, the connecting pieces 7 are horizontally and vertically connected with the first horizontal part 51, and one end of the connecting piece 7 is fixedly connected with the second conductive pieces 6, wherein the connection can be welding or bolt connection or is integrally formed with the second conductive pieces 6. The first horizontal portion 51 is located on the movement locus of the other end of the connecting member 7. The middle of the connecting member 7 is provided with an elastic portion 71, the elastic portion 71 is arranged in a V shape, and the top end of the elastic portion is arranged towards the rotating shaft 8, i.e. downwards. By adopting the V-shaped arrangement, when the rotating shaft 8 rotates, the elastic part 71 can better realize the rotating effect.

Further, the connecting piece 7 is provided with a reinforcing rib 72. The arrangement of the reinforcing ribs 72 improves the overall strength of the connector 7, and the reinforcing ribs 72 can improve the overall electrical connection effect. The reinforcing rib 72 is here located in particular in the middle of the connecting piece 7, i.e. on the spring part 71, and extends towards both sides of the connecting piece 7.

8 one end of pivot is located the casing 1 outside for the operator operates the rotation, and the other end stretches into in the base member 2, and is connected with the opposite side of base member 2, thereby realizes relative base member 2 pivoted effect. Here the shaft 8 is located below the connector 7 and between the two conducting strips. The rotating shaft 8 is provided with five annular ribs 81 corresponding to the second conductive sheet 6, the annular ribs 81 are provided with notches 82, the size and the position of the notches 82 can be limited according to actual requirements, the notches 82 in the embodiment are different, the two notches 82 close to one side of the cam are the same in size, and the difference is that the notches 82 do not correspond in the axial direction, namely, are not on the same axis. The other three notches 82 and the second notch 82 are arranged to be gradually enlarged, that is, they have an intersection in the axial direction, and the position of the notch 82 can be adjusted according to actual requirements.

Furthermore, a gear part 9 is arranged on one side of the rotating shaft 8 close to the front end, a plurality of grooves 91 distributed in a circumferential array are arranged on the gear part 9, and the number of the grooves 91 is six and corresponds to six different states.

Further, the rotating shaft 8 is integrally formed by injection molding. And the integral forming is adopted, so that the integral processing is more convenient.

Be equipped with uplift 23 on the base member 2, be equipped with constant head tank 231 on the top of uplift 23, the quantity of this constant head tank 231 is two, be equipped with cam 10 in the uplift 23, the both ends of cam 10 offset with constant head tank 231 through two piece 92 that reset respectively, reset 92 part embedding promptly and offset with constant head tank 231 in to constant head tank 231, the other end offsets with the both ends of cam 10, cam 10 is equipped with bellying 101 towards the below, bellying 101 and recess 91 cooperation, realize the effect that the multi-gear of pivot 8 is connected fixedly, make pivot 8 rotate the back and form the fixed effect in location. The return member 92 may be a spring here.

By adopting the structure, the annular convex rib 81 is abutted or separated from the elastic part 71 by rotating the rotating shaft 8, and in the first state, when the annular convex rib 81 is abutted to the elastic part 71, the connecting piece 7 and the first conducting strip 5 are in a disconnected state, namely the first conducting strip 5 is not electrically connected with the second conducting strip 6; in the second state, when the elastic portion 71 is inserted into the notch 82, the connecting member 7 is connected to the first conductive sheet 5, i.e., the first conductive sheet 5 and the second conductive sheet 6 form an electrical connection effect.

In this embodiment, the rotating shaft 8 rotates, and the corresponding different second conductive sheets 6 are connected to the first conductive sheet 5, and in the initial state 1, all the second conductive sheets 6 are in a disconnected state due to the action of the annular rib 81; when the rotating shaft 8 is rotated, and the first elastic part 71 close to one side of the cam 10 is positioned in the notch 82, the first second conductive sheet 61 close to one side of the cam 10 is communicated to form a 2 nd state; the first second conductive sheet 61 is disconnected and the second conductive sheet 62 is connected to form a 3 rd state after the continuous rotation; the first second conducting plate 61 is disconnected and the second conducting plate is communicated with the third second conducting plate 63 to form a 4 th state; the first second conducting strip 61 is disconnected, and the second conducting strip, the third conducting strip and the fourth conducting strip 64 are communicated to form a 5 th state; the first second conducting strip 61 is disconnected, and the second, third and fourth conducting strips are communicated with the fifth second conducting strip 65 to form a 6 th state; and continuing to rotate to restore to the initial first state.

Example 2:

referring to fig. 7, the difference between embodiment 2 and embodiment 1 is that the notches 82 have the same size, and the difference is that the notches 82 are located at different positions, and the difference in the positions of the notches 82 specifically means that the notches 82 are located at different positions in the axial direction, that is, the notches 82 are not located at corresponding positions in the axial direction, and may also be understood as being located at intervals in the axial direction. The rotating shaft 8 is rotated once, so that different second conducting strips are correspondingly communicated, namely, the initial state 1 is that the conducting strips are completely disconnected, the state 2 is that the conducting strips are communicated, the state 3 is that the conducting strips are communicated, the state 4 is that the conducting strips are communicated, the state 5 is that the conducting strips are communicated, and the state 6 is that the conducting strips are communicated.

Claims

1. A miniature rotary switch, characterized by: the connecting device comprises a shell, wherein a first conducting strip is arranged on the shell, a plurality of second conducting strips are distributed in an array mode, a connecting piece and a rotating shaft are used for connecting the first conducting strip and the second conducting strips, a plurality of annular convex ribs are arranged on the rotating shaft, gaps are formed in the annular convex ribs, elastic parts are arranged on the connecting piece, the elastic parts are located on the motion tracks of the annular convex ribs, one end of the connecting piece is connected with the second conducting strips, and the other end of the connecting piece is connected or disconnected with the first conducting strips through the cooperation of the annular convex ribs and the elastic parts.

2. A miniature rotary switch as set forth in claim 1, wherein: the elastic part is positioned in the center of the connecting piece and faces one side of the annular convex rib.

3. A miniature rotary switch as set forth in claim 2, wherein: the elastic part is arranged in a V shape.

4. A miniature rotary switch as claimed in claim 1, 2 or 3, wherein: the connecting piece is provided with a reinforcing rib.

5. A miniature rotary switch as set forth in claim 1, wherein: the gear shifting mechanism is characterized by further comprising a cam, wherein a protruding portion is arranged on the cam, a gear part is arranged on the rotating shaft, a plurality of grooves distributed in a circumferential array are formed in the gear part, and the protruding portion slides in the grooves.

6. A miniature rotary switch as set forth in claim 5, wherein: a reset piece is arranged between the shell and the cam.

7. A miniature rotary switch as set forth in claim 6, wherein: the shell is provided with a positioning groove, and the reset part extends into the positioning groove.

8. A miniature rotary switch as set forth in claim 1, wherein: the shell is provided with a slot, and the second conducting strip extends into the slot for fixation.

9. A miniature rotary switch as set forth in claim 1, wherein: the rotating shaft is integrally formed.

10. A miniature rotary switch as set forth in claim 1, wherein: the shell comprises a base body, an upper cover and a bottom cover, the upper cover is fixedly connected with the upper end of the base body, and the bottom cover is fixedly connected with the lower end of the base body.