CN219757358U

CN219757358U - Miniature encoder with switch for new terminal contact structure

Info

Publication number: CN219757358U
Application number: CN202320202821.8U
Authority: CN
Inventors: 黄炎
Original assignee: Guangdong Fengshi Weiqi Electronic Technology Co ltd
Current assignee: Guangdong Fengshi Weiqi Electronic Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-09-26
Anticipated expiration: 2033-02-14

Abstract

The utility model relates to the technical field of encoders, in particular to a miniature encoder with a novel terminal contact structure and a switch, which comprises a shell, a rotor and a base assembly, wherein the back of the shell is connected with the base assembly, a positioning sheet and the rotor are arranged between the shell and the base assembly, the back of the base assembly is connected with the switch base assembly, a high-temperature film is arranged at the front of the switch base assembly, a dome sheet is arranged in the switch base assembly, a gear is arranged at the front of the rotor, a concave positioning hole is formed in the middle of the rotor, a rotor angle dial is connected to the back of the rotor, a convex positioning cylinder is arranged in the middle of the front of the rotor angle dial, a plurality of square holes are formed in the middle of the convex positioning cylinder, the back of the rotor angle dial is connected with a coding terminal, a terminal angle dial is arranged on the coding terminal, a base terminal is arranged in the base assembly, and a switch terminal is arranged in the switch base assembly.

Description

Miniature encoder with switch for new terminal contact structure

Technical Field

The utility model relates to the technical field of encoders, in particular to a miniature encoder with a novel terminal contact structure and a switch.

Background

The encoder is a mechanical rotary electric signal generating device, which is an electronic element that directly converts the angular displacement that is rotated into a digital signal. The miniature encoder is widely used in the fields of household intelligent watches, electronic cigarettes, bluetooth sound equipment, earphones, small medical instruments, wireless controllers and the like, and is mainly used in the fields of intelligent watches, bluetooth earphones, bluetooth sound equipment, game console control handles, unmanned aerial vehicle remote controllers and the like, and has the characteristics of high use frequency and high operation randomness.

The miniature encoder on the market comprises a shell, a base terminal, a rotor, a positioning sheet and a switching sheet. The encoder base is internally provided with a base terminal, the rubber coating is arranged in the base, a rotor which moves circularly is arranged in an inner cavity of the base, a switching piece which is in contact with the base terminal is arranged on the rotor, the rotor is arranged between the base and the positioning piece, the positioning piece is arranged on two positioning columns of the base, the shell is buckled on buckling corners on two sides of the base, although the encoding function can be realized by the product, the volume can not meet the use requirement, and the encoding function can not work stably.

Therefore, there is a need to design a new micro encoder with a switch having a terminal contact structure to solve the above-mentioned problems in the related art.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, although a product can realize the coding function, the volume can not meet the use requirement and the coding function can not work stably, and provides a novel miniature encoder with a terminal contact structure and a switch.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the miniature encoder comprises a shell, a rotor and a base assembly, wherein the back of the shell is connected with the base assembly, a positioning sheet and the rotor are arranged between the shell and the base assembly, the back of the base assembly is connected with the switch base assembly, a high-temperature film is arranged at the front of the switch base assembly, and a dome sheet is arranged in the switch base assembly;

the side face of the shell is provided with a plurality of clamping square holes, four corners of the back of the shell are provided with riveting pins, and the front of the shell is provided with a plurality of groups of shell positioning holes and middle holes;

an elastic arm and a positioning hole of the positioning sheet are arranged on the side face of the positioning sheet, and a limiting boss is arranged on the elastic arm;

the rotor is characterized in that a gear is arranged on the front face of the rotor, a concave positioning hole is formed in the middle of the rotor, the back face of the rotor is connected with a rotor angle dial, a convex positioning cylinder is arranged in the middle of the front face of the rotor angle dial, a multi-edge square hole is formed in the middle of the convex positioning cylinder, the back face of the rotor angle dial is connected with a coding terminal, and a terminal angle dial is arranged on the coding terminal;

the middle of the base assembly is provided with a base inner cavity, a base positioning hole is formed in a middle piece of the base inner cavity, base brushes are arranged on two sides of the front surface of the base inner cavity, base positioning columns are arranged on two sides of the lower part of the front surface of the base assembly, and a buckling boss is arranged on the side surface of the base assembly;

a base terminal is arranged in the base assembly body, and a plurality of groups of terminal brushes are arranged on the base terminal;

a touch-press sending bump is arranged in the middle of the high-temperature film;

a switch base inner cavity is formed in the middle of the switch base assembly, first contact protruding points are arranged in the switch base inner cavity, switch base positioning holes are formed in two sides of the lower part of the front surface of the switch base assembly, and welding positions are arranged on two sides of the switch base assembly;

the switch base assembly body is internally provided with a switch terminal, and the switch terminal is provided with a second contact bump and a welding foot.

As a preferable scheme of the utility model, the shell has a plurality of forms, including a convex middle hole horizontal riveting shell, a convex middle Kong Tieban shell, a concave middle hole riveting shell and a concave middle Kong Tieban shell, the section of the shell is in a -shaped structure, the shell and the base assembly are mutually buckled, and the clamping square holes and the clamping bosses are connected through matched clamping.

As a preferable scheme of the utility model, the shell is riveted and buckled through a plurality of groups of riveting pins on the side face and the switch base assembly.

As a preferable scheme of the utility model, the rotor has a plurality of forms, including a rotor with a central shaft inner hole of a convex square hole, a rotor with a central shaft inner hole of a convex hexagonal hole and a rotor with a central shaft inner hole of a concave square hole, the encoding terminal is coated on the rotor to form a rotor assembly, the shell is matched and positioned and connected with the concave positioning hole through the middle hole, the positioning hole is internally coupled with the rotor assembly, the tip of the base brush is in an inverted V shape, the rotor assembly performs circular rotation in the base assembly, and a rotor angle dial on the rotor assembly interacts with a base brush on the base assembly to generate encoding signals.

As a preferable scheme of the utility model, the positioning sheet penetrates through the base positioning column through the positioning sheet positioning hole and is assembled on the base assembly, the limiting boss is propped against the gear on the circumferential side surface of the central shaft of the rotor, and the spherical or arc limiting boss on the elastic arm of the positioning sheet and the rotor do relative circumferential rotary motion, so that the fluctuation paragraph sense is generated.

As a preferable scheme of the utility model, the base terminal is coated on the base assembly.

As a preferable scheme of the utility model, the switch terminal is coated on the switch base assembly, the dome sheet is assembled in the inner cavity of the switch base, the high-temperature film is adhered to the front surface of the switch base assembly through single-sided adhesive, the contact-pressure sending protruding point on the high-temperature film can be pressed downwards to act on the dome sheet, and the dome sheet generates up-and-down elastic movement to generate an electric signal for switching on and off the switch.

In summary, the technical effects and advantages of the present utility model are: this novel terminal contact structure takes miniature encoder of switch through design terminal angle scale on the coding terminal, design terminal brush on the base terminal, mould rotor and coding terminal package, base assembly and base terminal package are moulded, not only effectual improvement coding function, and can guarantee coding function's stability, the gear and the spacer complex driving mode of rotor center pin side design, the front centre bore design of shell has concave mesopore, be used for fixed rotor assembly, and not exceed the encoder body, effectively saved the space, the product volume has been reduced, the lock has the switch base assembly in base assembly below, thereby make the encoder realize upper and lower driven switching function, its form is various simultaneously, can adapt to different demands.

Drawings

Fig. 1 is an exploded view of a miniature encoder with a switch for a new terminal contact structure.

Fig. 2 is a schematic diagram of a miniature encoder housing with a switch for a new terminal contact configuration.

Fig. 3 is a schematic diagram of a novel terminal contact structure micro-encoder rotor with a switch.

Fig. 4 is a schematic diagram of the appearance of a miniature encoder with a switch having a new terminal contact structure.

In the figure: 1. a housing; 11. a middle hole; 12. a housing locating hole; 13. clamping square holes; 14. riveting pins; 15. installing welding pins; 2. a positioning sheet; 21. a limit boss; 22. an elastic arm; 23. positioning holes of the positioning sheets; 3. a rotor; 31. a gear; 32. concave locating holes; 33. a multi-edge square hole; 34. a rotor angle dial; 35. a convex positioning cylinder; 4. a code terminal; 41. a terminal angle dial; 5. a base assembly; 51. a base positioning column; 52. a base cavity; 53. a base brush; 54. a boss is buckled; 55. a base positioning hole; 6. a base terminal; 61. a terminal brush; 7. a high temperature membrane; 71. pressing the convex points; 8. a pot slice; 9. a switch base assembly; 91. a switch base positioning hole; 92. a first contact bump; 93. an inner cavity of the switch base; 94. welding positions; 10. a switch terminal; 101. a second contact bump; 102. and welding the pins.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a miniature encoder with a novel terminal contact structure and a switch comprises a shell 1, a base assembly 5 and a rotor 3, wherein the cross section of the shell 1 is of a structure, a plurality of clamping square holes 13 are designed on two sides, two shell positioning holes 12 are designed on the front surface, a convex or concave middle hole 11 is designed on the front surface and is matched with a positioning cylinder or a concave positioning hole 32 of the rotor assembly for positioning, a clamping boss 54 matched with the clamping square holes 13 is arranged on the side surface corresponding to the base assembly 5, a clamping boss 54 matched with the shell positioning holes 12 is designed on the front surface corresponding to the base assembly 5, so that the positioning of the shell 1 and the base assembly 5 is realized, and in addition, a plurality of riveting feet 14 are also arranged on the side surface of the shell 1 and are used for riveting a buckling switch base assembly 9;

two elastic arms 22 with symmetrical positions are designed on the side surface of the positioning sheet 2, spherical or arc-shaped limiting bosses 21 are designed at the tips of the two elastic arms 22, the spherical or arc-shaped limiting bosses 21 are propped against a gear 31 on the side surface of the rotor assembly, the spherical or arc-shaped limiting bosses 21 and the gear 31 of the rotor assembly do relative circular rotation movement, so that a fluctuation paragraph sense is generated, positioning sheet positioning holes 23 are designed on the front surface of the positioning sheet 2, and the positioning sheet positioning holes 23 are matched with base positioning columns 51 at positions corresponding to the base assembly 5 and used for fixing the positioning sheet 2 on the base assembly 5;

a terminal angle dial 41 with angle equally dividing is designed on the circumference of the front surface of the coding terminal 4 and is coated on the rotor 3 to form a rotor assembly; the base terminal 6 is designed with 4 brushes 61, 3 welding feet are also designed at the end part and coated on the base assembly 5 to form the base assembly 5, the base assembly 5 is designed with a base inner cavity 52, a positioning hole 55 is designed in the center of the base inner cavity 52, the rotor assembly is coupled in the positioning hole 55 in the center of the base assembly 5, the rotor 3 performs circular rotation motion in the base inner cavity 52 of the base assembly 5 by being positioned with the central concave middle hole 11 of the shell 1 and the positioning hole 55 in the center of the base assembly 5, the tip part of the brush 53 on the base assembly 5 is designed into an inverted V shape, and is in fit friction contact with the rotor angle disc 34 of the rotor assembly, and the angle disc 34 on the rotor assembly interacts with the brush 53 on the base assembly during circular rotation motion to generate a coding signal;

the switch base assembly 9 is provided with a switch base inner cavity 93, the switch terminal 10 is molded in the switch base assembly 9, the switch terminal 10 is provided with a contact convex point 101, two sides of the switch terminal are provided with welding feet 102 which are welded with a PCB of an external device, the dome sheet 8 is arranged in the switch base inner cavity 93, the high-temperature film 7 is single-sided adhesive and is adhered to the front surface of the switch base assembly 9, the center of the high-temperature film 7 is provided with an insulation convex point 71, the insulation convex point 71 is pressed downwards and acts on the dome sheet 8, the dome sheet 8 generates up-down elastic movement, and the conversion of electric signals of an on-off switch is realized, so that the switch function is realized;

the switch base assembly 9 is assembled on the back of the base assembly 5, and the base 5 and the switch base assembly 9 are riveted and buckled together through the riveting pin 14 on the shell 1, so that the novel miniature encoder with the terminal contact structure and the switch is formed.

Working principle: the miniature encoder with the novel terminal contact structure provided with the switch is characterized in that a terminal angle dial 41 is designed on the encoding terminal 4, a terminal brush 61 is designed on the base terminal 6, the rotor 3 and the encoding terminal 4 are coated with plastic, the base assembly 5 and the base terminal 6 are coated with plastic, the encoding function is effectively improved, the stability of the encoding function can be ensured, a concave middle hole 11 is designed in the front center hole of the shell 1 in a driving mode of matching the gear 31 and the locating plate 2 designed on the side face of the central shaft of the rotor 3, the rotor assembly is used for fixing the rotor assembly, the space is not higher than the encoder body, the product volume is effectively saved, the switch base assembly 9 is buckled below the base assembly 5, the up-down driving switch function of the encoder is realized, and meanwhile, the mode is various, and different requirements can be met.

The outer shell 1 has various forms in practical application, namely, the outer shell 1-1 is riveted with the outer shell through a convex middle hole, wherein the outer shell is matched with a positioning cylinder of the rotor assembly through a convex middle hole 11, and is riveted and buckled with the switch base assembly 9 through a plurality of riveting pins 14 designed on the side surface; the outer convex middle hole flitch shell 1-2 is welded with the PCB of an external device through a mounting welding pin 15 additionally arranged on the side surface; the inner concave middle hole riveting shell 1-3, the inner concave middle hole riveting shell 1-4 and the inner concave middle hole flitch shell 1-5 are also arranged; although the above-described case 1 is different in form, the above-described functions can be realized by the case 1 of each of the above-described forms, and the function of a micro-encoder with a switch having a new terminal contact structure can also be realized.

In addition, 2 types of rotor assemblies exist in practical application, namely, a concave positioning hole rotor assembly 3-1 and a concave positioning hole rotor assembly 3-2 shown in fig. 3, and the rotor matching types are different, but the shell in each type can realize the functions, and the function of a miniature encoder with a novel terminal contact structure and a switch can also be realized.

In addition, since a new terminal contact structure has a variety of mounting forms of the micro encoder with a switch, the final appearance thereof is also varied, i.e., as shown in fig. 4, the mounting forms include: the outer shell convex riveting appearance A, the outer shell convex patch appearance B, the outer shell concave riveting appearance C, the outer shell concave single-buckle riveting appearance D, the outer shell concave patch appearance E and the outer shell convex single-buckle riveting appearance F are included in the scope of the utility model.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel miniature encoder of terminal contact structure area switch, includes shell (1), rotor (3) and base assembly (5), its characterized in that: the novel electric cooker is characterized in that the back of the shell (1) is connected with a base assembly (5), a positioning sheet (2) and a rotor (3) are arranged between the shell (1) and the base assembly (5), the back of the base assembly (5) is connected with a switch base assembly (9), the front of the switch base assembly (9) is provided with a high-temperature film (7), and a dome sheet (8) is arranged in the switch base assembly (9);

a plurality of clamping square holes (13) are formed in the side face of the shell (1), riveting pins (14) are arranged at four corners of the back face of the shell (1), and a plurality of groups of shell positioning holes (12) and middle holes (11) are formed in the front face of the shell (1);

an elastic arm (22) and a positioning hole (23) are arranged on the side face of the positioning sheet (2), and a limiting boss (21) is arranged on the elastic arm (22);

the novel rotor is characterized in that a gear (31) is arranged on the front face of the rotor (3), a concave positioning hole (32) is formed in the middle of the rotor (3), a rotor angle dial (34) is connected to the back face of the rotor (3), a convex positioning cylinder (35) is arranged in the middle of the front face of the rotor angle dial (34), a multi-edge square hole (33) is formed in the middle of the convex positioning cylinder (35), a coding terminal (4) is connected to the back face of the rotor angle dial (34), and a terminal angle dial (41) is arranged on the coding terminal (4);

a base inner cavity (52) is formed in the middle of the base assembly (5), base positioning holes (55) are formed in the middle of the base inner cavity (52), base brushes (53) are arranged on two sides of the front surface of the base inner cavity (52), base positioning columns (51) are arranged on two sides of the lower portion of the front surface of the base assembly (5), and buckling bosses (54) are arranged on the side surfaces of the base assembly (5);

a base terminal (6) is arranged in the base assembly (5), and a plurality of groups of terminal brushes (61) are arranged on the base terminal (6);

a touch-press convex point (71) is arranged in the middle of the high-temperature film (7);

a switch base inner cavity (93) is formed in the middle of the switch base assembly (9), a first contact convex point (92) is arranged in the switch base inner cavity (93), switch base positioning holes (91) are formed in two sides of the lower part of the front surface of the switch base assembly (9), and welding positions (94) are formed in two sides of the switch base assembly (9);

a switch terminal (10) is arranged in the switch base assembly (9), and a second contact bump (101) and a welding pin (102) are arranged on the switch terminal (10).

2. The miniature encoder with a switch for a new terminal contact structure of claim 1, wherein: the cross section of the shell (1) is of a structure, the shell (1) and the base assembly (5) are mutually buckled, and the clamping square holes (13) and the clamping bosses (54) are connected through matched clamping.

3. The miniature encoder with a switch for a new terminal contact structure of claim 1, wherein: the shell (1) is riveted and buckled with the switch base assembly (9) through a plurality of groups of riveting pins (14) on the side face.

4. The miniature encoder with a switch for a new terminal contact structure of claim 1, wherein: the encoding terminal (4) is coated on the rotor (3) to form a rotor assembly, the shell (1) is matched, positioned and connected with the concave positioning hole (32) through the middle hole (11), the rotor assembly is coupled in the positioning hole (55), and the tip of the base brush (53) is in an inverted V shape.

5. The miniature encoder with a switch for a new terminal contact structure of claim 1, wherein: the locating piece (2) penetrates through the base locating column (51) through the locating piece locating hole (23) to be assembled on the base assembly (5), the limiting boss (21) is abutted against the gear (31) on the circumference side face of the central shaft of the rotor (3), and the spherical or arc limiting boss (21) on the elastic arm (22) of the locating piece (2) and the rotor (3) do relative circular rotation movement.

6. The miniature encoder with a switch for a new terminal contact structure of claim 1, wherein: the base terminal (6) is coated on the base assembly (5).

7. The miniature encoder with a switch for a new terminal contact structure of claim 1, wherein: the switch terminal (10) is coated on the switch base assembly (9), the dome sheet (8) is assembled in the switch base inner cavity (93), the high-temperature film (7) is adhered to the front side of the switch base assembly (9) through single-sided adhesive, and the touch-pressure sending protruding point (71) on the high-temperature film (7) can be pressed downwards to act on the dome sheet (8).