CN217035500U

CN217035500U - Closed non-gear single-ring rotary switch

Info

Publication number: CN217035500U
Application number: CN202220616472.XU
Authority: CN
Inventors: 杨太荣; 毕绍坤; 杨双华; 龙元玉; 甘元发; 陈俊佐
Original assignee: Guizhou Zhenhua Hualian Electronics Co ltd
Current assignee: Guizhou Zhenhua Hualian Electronics Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-22
Anticipated expiration: 2032-03-21

Abstract

The utility model provides a closed type gear-free single-ring rotary switch which comprises a shell, an installation disc, an inner shell and a rotor, wherein an insulated elliptic cylinder is arranged in the middle of the rotor, an annular contact block is arranged on the outer side of the elliptic cylinder, the elliptic cylinder is arranged in the inner shell, and the inner shell is arranged in the shell; one end of the rotor is rotatably connected with the shell, the other end of the rotor penetrates through the mounting disc and is rotatably connected with the mounting disc, the mounting disc is fixed at an opening at the upper end of the shell, and the upper end of the inner shell is fixed on the mounting disc; the two sides of the inner shell are respectively provided with a first insulating seat and a second insulating seat, contact pieces are arranged on the first insulating seat and the second insulating seat, the contact pieces extend into the inner shell, and wires are arranged on the contact pieces. By adopting the utility model, the rotary switch has no obvious gear induction when rotating, no vibration exists, and the electric signal is stable; the two ends of the rotating shaft are connected with the shell and the mounting disc, so that additional vibration is not generated during rotation; the circuit is switched on and off by touching the contact piece with the contact block on the periphery of the elliptic cylinder.

Description

Closed gear-free single-ring rotary switch

Technical Field

The utility model relates to the technical field of electrical switches, in particular to a closed type gearless single-ring rotary switch.

Background

The conventional rotary switch drives a switching mechanism of the switch to do circular motion around an axis by rotating a central shaft, the switch is controlled to perform rhythmic switching by a plum-blossom-shaped cam, and the rotating angle is usually a factor of 360 degrees, namely 15 degrees, 18 degrees, 22.5 degrees, 30 degrees, 36 degrees, 45 degrees, 60 degrees, 90 degrees, 120 degrees and the like, so that the switching function of a plurality of groups of circuits is realized. The working principle is that a pressure spring and a steel ball in a conversion mechanism roll and slide along a quincunx cam surface under the action of conversion torque, so that the pressure spring starts to be compressed, when the compression amount of the pressure spring is converted to the highest point of a cam, the compression amount of the pressure spring reaches the maximum value, the conversion torque reaches the maximum value, after the maximum value is exceeded, the pressure spring is released, the steel ball jumps to the next position, and a switch finishes reversing action.

When the rotary switch is used for automatic mechanical operation (such as motor driving), the gear easily causes the discontinuous rotation process and obvious vibration, and can not meet the use requirements in some fields, such as pulse signals and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a closed type gear-free single-ring rotary switch.

The utility model is realized by the following technical scheme.

The utility model provides a closed type gear-free single-ring rotary switch which comprises a shell, an installation disc, an inner shell and a rotor, wherein an insulated elliptic cylinder is arranged in the middle of the rotor, an annular contact block is arranged on the outer side of the elliptic cylinder, the elliptic cylinder is arranged in the inner shell, and the inner shell is arranged in the shell; one end of the rotor is rotatably connected with the shell, the other end of the rotor penetrates through the mounting disc and is rotatably connected with the mounting disc, the mounting disc is fixed at an opening at the upper end of the shell, and the upper end of the inner shell is fixed on the mounting disc; the two sides of the inner shell are respectively provided with a first insulating seat and a second insulating seat, contact pieces are arranged on the first insulating seat and the second insulating seat, the contact pieces extend into the inner shell, and wires are arranged on the contact pieces.

The inner shell comprises a lower half shell and an upper half shell, the lower half shell is connected with the upper half shell through bolts, and the two opposite side faces of the lower half shell are arranged on the first insulating seat and the second insulating seat.

The number of the first insulating seats is two, and the two first insulating seats are located on two sides of the second insulating seat in the axial direction.

The first insulating seat and the second insulating seat are connected with the inner shell through screws.

And rubber pads are arranged on the inner sides of the first insulating seat and the second insulating seat.

And one end of the lower half shell and one end of the upper half shell are respectively provided with a bolt hole corresponding to the mounting disc and used for being in threaded connection with the mounting disc.

The middle part of the elliptic cylinder is also provided with a rotating shaft, one end of the rotating shaft is rotatably connected with the shell, and the other end of the rotating shaft extends out of the mounting disc.

The rotating shaft is respectively connected with the shell and the mounting disc through bearings.

The shell is further provided with a bolt, and the bolt is used for extending into the inner shell to be positioned.

The opening part at the upper end of the shell is provided with a limiting step, the mounting disc is provided with a disc-shaped structure corresponding to the limiting step, and the disc-shaped structure is welded with the outer side of the limiting step.

The utility model has the beneficial effects that:

by adopting the utility model, the rotary switch has no obvious gear induction when rotating, no vibration exists, and the electric signal is stable; the two ends of the rotating shaft are connected with the shell and the mounting disc, the inner shell is fixed on the mounting disc, and the mounting disc is fixed on the shell, so that the stability among parts is good, the shifting is not easy to occur, and no additional vibration is generated during rotation; the contact piece touches the contact block on the periphery of the elliptic cylinder to realize the on-off of the circuit, the stress effect is small, the circuit returns to the initial state after rotating for one circle, and the circulation control can be realized.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic structural view of the inner case.

Fig. 4 is a schematic view of the structure of the rotor.

In the figure: 1-a shell; 2-mounting a disc; 3-an inner shell; 4-a rotor; 5-a first insulating base; 6-a second insulating seat; 7-a contact sheet; 8-a wire; 9-a lower half-shell; 10-upper half shell; 11-a rubber pad; 12-an elliptic cylinder; 13-a rotating shaft; 14-a bearing; 15-bolt.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in FIGS. 1-4:

the utility model provides a closed type gear-free single-ring rotary switch which comprises a shell 1, an installation disc 2, an inner shell 3 and a rotor 4, wherein an insulated elliptic cylinder 12 is arranged in the middle of the rotor 4, an annular contact block is arranged on the outer side of the elliptic cylinder 12, the elliptic cylinder 12 is arranged in the inner shell 3, and the inner shell 3 is arranged in the shell 1; one end of the rotor 4 is rotatably connected with the shell 1, the other end of the rotor penetrates through the mounting disc 2 and is rotatably connected with the mounting disc 2, the mounting disc 2 is fixed at an opening at the upper end of the shell 1, and the upper end of the inner shell 3 is fixed on the mounting disc 2; the inner shell is characterized in that a first insulating seat 5 and a second insulating seat 6 are respectively arranged on two sides of the inner shell 3, contact pieces 7 are arranged on the first insulating seat 5 and the second insulating seat 6, the contact pieces 7 extend into the inner shell 3, and wires 8 are arranged on the contact pieces 7.

The principle is as follows: the lead 8 is used for conducting a switching signal, and one end of the rotor 4 penetrating through the mounting disc 2 can be connected with an external driving mechanism (such as a motor), so that mechanical automatic control switching is realized. The contact piece 7 extends into the inner housing 3 so that when the rotor 4 rotates to a certain angle, the annular contact block outside the elliptic cylinder 12 touches the contact piece 7, the circuit is conducted, and when the rotor rotates to another angle, the circuit is disconnected. The position of the contact block corresponding to the contact plate 7 can be arranged as a corresponding indentation according to the required characteristics of the electrical signal, so that complex electrical signals can be obtained.

By adopting the utility model, the rotary switch has no obvious gear induction when rotating, no vibration exists, and the electric signal is stable; the two ends of the rotating shaft 13 are connected with the shell 1 and the mounting disc 2, the inner shell 3 is fixed on the mounting disc 2, the mounting disc 2 is fixed on the shell 1, the stability among parts is good, the shifting is not easy to occur, and no additional vibration is generated during rotation; the contact piece 7 touches the contact block at the periphery of the elliptic cylinder 12 to realize the on-off of the circuit, the stress effect is small, the circuit returns to the initial state after rotating for one circle, and the circulation control can be realized.

The inner shell 3 comprises a lower half shell 9 and an upper half shell 10, the lower half shell 9 and the upper half shell 10 are connected through bolts, and the first insulating seat 5 and the second insulating seat 6 are arranged on two opposite side faces of the lower half shell 9. As shown in fig. 2, the elliptic cylinder 12 can simultaneously contact the contact piece 7 on the first insulating base 5 and the contact piece 7 on the second insulating base 6 at the outer side, and the electric signal transmission is correspondingly fast.

The number of the first insulating bases 5 is two, and the two first insulating bases 5 are located on two sides of the second insulating base 6 in the axial direction. Meanwhile, the non-through signal lines can be connected to realize shunting.

The first insulating seat 5 and the second insulating seat 6 are connected with the inner shell 3 through screws. Easy dismounting, the use is stable, prevents not hard up.

And rubber pads 11 are further arranged on the inner sides of the first insulating seat 5 and the second insulating seat 6. The length of the contact piece 7 can be adjusted by the elasticity of the rubber pad 11, and the electric signal is stable.

And one end of the lower half shell 9 and one end of the upper half shell 10 are respectively provided with bolt holes corresponding to the mounting disc 2 and used for being in threaded connection with the mounting disc 2. Convenient to be disassembled and assembled and has good maintainability.

The middle part of the elliptic cylinder 12 is also provided with a rotating shaft 13, one end of the rotating shaft 13 is rotatably connected with the shell 1, and the other end of the rotating shaft extends out of the mounting disc 2.

The rotating shaft 13 is respectively connected with the shell 1 and the mounting disc 2 through bearings 14. The rotation resistance is small, the vibration is small, and the electric signal is stable.

The shell 1 is further provided with a latch 15, and the latch 15 is used for extending into the inner shell 3 for positioning. The original point of the switch can be conveniently found, and the use convenience is improved.

The opening at the upper end of the shell 1 is provided with a limiting step, the mounting disc 2 is provided with a disc-shaped structure corresponding to the limiting step, and the disc-shaped structure is welded with the outer side of the limiting step. The sealing performance is good, the mounting disc 2 is arranged on the limiting step firstly during assembly, and the assembly is convenient.

Claims

1. The utility model provides a closed no gear single circle rotary switch which characterized in that: the device comprises a shell (1), an installation disc (2), an inner shell (3) and a rotor (4), wherein an insulated elliptic cylinder (12) is arranged in the middle of the rotor (4), an annular contact block is arranged on the outer side of the elliptic cylinder (12), the elliptic cylinder (12) is arranged in the inner shell (3), and the inner shell (3) is arranged in the shell (1); one end of the rotor (4) is rotatably connected with the shell (1), the other end of the rotor penetrates through the mounting disc (2) and is rotatably connected with the mounting disc, the mounting disc (2) is fixed at an opening at the upper end of the shell (1), and the upper end of the inner shell (3) is fixed on the mounting disc (2); the insulation structure is characterized in that a first insulation seat (5) and a second insulation seat (6) are respectively arranged on two sides of the inner shell (3), contact pieces (7) are respectively arranged on the first insulation seat (5) and the second insulation seat (6), the contact pieces (7) stretch into the inner shell (3), and wires (8) are arranged on the contact pieces (7).

2. The closed gearless single-turn rotary switch of claim 1, wherein: inner shell (3) are including half lower shell (9) and first half shell (10), and half lower shell (9) pass through bolted connection with first half shell (10), and half lower shell (9) relative both sides face is located in first insulator seat (5), second insulator seat (6).

3. The closed gearless single-turn rotary switch of claim 2, wherein: the number of the first insulating seats (5) is two, and the two first insulating seats (5) are positioned on two sides of the second insulating seat (6) in the axial direction.

4. The closed gearless single-turn rotary switch of claim 2, wherein: the first insulating seat (5) and the second insulating seat (6) are connected with the inner shell (3) through screws.

5. The closed gearless single-turn rotary switch of claim 4, wherein: and rubber pads (11) are arranged on the inner sides of the first insulating seat (5) and the second insulating seat (6).

6. The closed gearless single-turn rotary switch of claim 2, wherein: one end of the lower half shell (9) and one end of the upper half shell (10) are respectively provided with a bolt hole corresponding to the mounting disc (2) and used for being in threaded connection with the mounting disc (2).

7. The closed gearless single-turn rotary switch of claim 1, wherein: the middle part of the elliptic cylinder (12) is also provided with a rotating shaft (13), one end of the rotating shaft (13) is rotatably connected with the shell (1), and the other end of the rotating shaft extends out of the mounting disc (2).

8. The closed gearless single-turn rotary switch of claim 7, wherein: the rotating shaft (13) is respectively connected with the shell (1) and the mounting disc (2) through a bearing (14).

9. The closed gearless single-turn rotary switch of claim 1, wherein: the shell (1) is further provided with a bolt (15), and the bolt (15) is used for extending into the inner shell (3) to be positioned.

10. The closed gearless single-turn rotary switch of claim 1, wherein: the opening part at the upper end of the shell (1) is provided with a limiting step, the mounting disc (2) is provided with a disc-shaped structure corresponding to the limiting step, and the disc-shaped structure is welded with the outer side of the limiting step.