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CN-224202466-U - Encoder

CN224202466UCN 224202466 UCN224202466 UCN 224202466UCN-224202466-U

Abstract

The utility model discloses an encoder which comprises an outer shaft, wherein the inner part of the outer shaft is a hollow space which is vertically communicated, an inner rotating shaft is arranged in the outer shaft, the inner rotating shaft can rotate and vertically move relative to the outer shaft, an annular groove is formed in the bottom edge of the outer shaft, the inner diameter of the annular groove is larger than that of a cylindrical body of the outer shaft, the annular groove is positioned below the cylindrical body of the outer shaft, a plurality of rubber coating chips are arranged on the inner top surface of the annular groove, a rotating disc is sleeved on the outer circumferential surface of the bottom end of the inner rotating shaft, the rotating disc is rotatably assembled in the annular groove, a plurality of brushes are arranged on the top edge of the rotating disc, and in the process that the inner rotating shaft drives the brushes to rotate, the plurality of brushes can be respectively contacted with and separated from the rubber coating chips. The utility model has reasonable structural design, the rotating shaft is an inner shaft, and the rotating shaft has the function of pressing the switch besides the rotating function.

Inventors

  • ZHUO HONGYU
  • HUANG LIWEN

Assignees

  • 惠州市宏宇高科电子有限公司

Dates

Publication Date
20260505
Application Date
20250506
Priority Date
20241231

Claims (10)

  1. 1. An encoder comprises an outer shaft (2), and is characterized in that the inner part of the outer shaft (2) is a hollow space which is vertically communicated, an inner rotating shaft (6) is arranged in the outer shaft (2), the inner rotating shaft (6) can rotate and vertically move relative to the outer shaft (2), an annular groove (22) is formed in the bottom edge of the outer shaft (2), the inner diameter of the annular groove (22) is larger than the inner diameter of a cylindrical body of the outer shaft (2), the annular groove (22) is positioned below the cylindrical body of the outer shaft (2), a plurality of rubber coated chips (24) are arranged on the inner top surface of the annular groove (22), a rotating disc (4) is sleeved on the outer circumferential surface of the bottom end of the inner rotating shaft (6), a plurality of brushes (3) are arranged on the top edge of the rotating disc (4), the inner rotating shaft (6) drives the brushes (3) to rotate, the plurality of brushes (3) can be respectively separated from the rubber coated chips (24) of the outer shaft (2) and the rubber coated chips (94) are respectively provided with the rubber coated chips (9) of the rubber coated chips (94), the center (81) of the dome sheet (8) is arched upwards, and when the inner rotating shaft (6) is pressed downwards, the bottom end of the inner rotating shaft (6) can press the center (81) of the dome sheet (8) so that the dome sheet (8) is contacted with the switch (94) downwards.
  2. 2. The encoder of claim 1, wherein a plurality of posts (41) are arranged at the top edge of the rotating disc (4), the posts (41) are sequentially distributed along the circumferential direction of the rotating disc (4), brush claws (31) and round holes (32) are respectively arranged at two ends of the brush (3), the brush (3) is sleeved on the posts (41) through the round holes (32) and riveted together, the brush (3) can be contacted with and separated from the plurality of encapsulation chips (24) through the brush claws (31), and the brush claws (31) of one brush (3) are adjacent to the round holes (32) of the other brush (3).
  3. 3. The encoder of claim 1, wherein a plurality of protruding blocks (61) are arranged at the bottom edge of the inner rotating shaft (6), the plurality of protruding blocks (61) are sequentially distributed along the circumferential direction of the inner rotating shaft (6), a plurality of second grooves (42) are arranged at the bottom edge of the rotating disc (4), the plurality of second grooves (42) are sequentially distributed along the circumferential direction of the rotating disc (4), the plurality of protruding blocks (61) are respectively sleeved into the plurality of second grooves (42) upwards, so that the inner rotating shaft (6) can drive the rotating disc (4) to rotate together, and the protruding blocks (61) can move up and down relative to the second grooves (42).
  4. 4. The encoder of claim 3, wherein a plurality of positioning grooves (43) are formed in the bottom edge of the rotating disc (4), the plurality of positioning grooves (43) are sequentially distributed along the circumferential direction of the rotating disc (4), the plurality of positioning grooves (43) are located on the outer sides of the plurality of second grooves (42), a positioning spring piece (5) is arranged below the rotating disc (4), the middle of the positioning spring piece (5) is vertically penetrated, the bottom end of the inner rotating shaft (6) penetrates through the middle of the positioning spring piece (5), a positioning bud point (52) is formed in the edge of the positioning spring piece (5), the positioning spring piece (5) is fixedly connected with the bottom edge of the annular groove (22), the rotating disc (4) is limited up and down by the positioning spring piece (5) and the annular groove (22), and the positioning bud point (52) can be contacted with and separated from the plurality of positioning grooves (43) when the inner rotating shaft (6) rotates.
  5. 5. The encoder of claim 4, wherein first positioning posts (26) are respectively arranged at two sides of the bottom edge of the annular groove (22), holes (51) of the elastic pieces are respectively arranged at two ends of the positioning elastic piece (5), positioning bud points (52) are respectively arranged at the other two ends of the positioning elastic piece (5), the first positioning posts (26) at two sides respectively penetrate downwards through the holes (51) of the elastic pieces at two ends, so that the positioning elastic piece (5) is fixed on the first positioning posts (26) of the annular groove (22), the positioning elastic piece (5) is a hardware elastic piece, and the positioning bud points (52) are stamping bud points (521) on the hardware elastic piece or plastic bud points (522) encapsulated on the hardware elastic piece.
  6. 6. The encoder of claim 5, wherein a plurality of first positioning holes (27) are formed in the bottom edge of the annular groove (22), a plurality of second positioning columns (91) are formed in the top edge of the switch encapsulation body (9), the switch encapsulation body (9) is assembled with the first positioning holes (27) of the outer shaft (2) through the second positioning columns (91), assembling grooves (95) are formed in two sides of the top edge of the switch encapsulation body (9), the assembling grooves (95) on two sides are matched with the first positioning columns (26) on two sides respectively to fix holes (51) of the spring plates on two ends, the outer shaft (2) is formed by encapsulating hardware sheets (21) through injection molding, and the annular groove (22) of the outer shaft (2) is assembled and fixed with the switch encapsulation body (9) through four clamping pins (11) on the bracket (1).
  7. 7. An encoder according to any one of claims 3 to 6, characterized in that the outer wall of the inner shaft (6) is provided with a lower cylindrical surface (62) and an upper cylindrical surface (63), the upper cylindrical surface (63) is located above the lower cylindrical surface (62), the outer diameter of the upper cylindrical surface (63) is smaller than the outer diameter of the lower cylindrical surface (62), the protruding block (61) is located on the lower cylindrical surface (62), the inner wall of the lower side of the cylindrical body of the outer shaft (2) is provided with Kong Zhumian (25), the inner wall of the upper side of the cylindrical body of the outer shaft (2) is provided with a plurality of hole ribs (23), the upper cylindrical surface (63) is in fit contact with a plurality of Kong Tujin (23), and the lower cylindrical surface (62) is in fit contact with the Kong Zhumian (25), so that the inner shaft (6) can rotate inside the outer shaft (2) and move up and down by a certain space.
  8. 8. An encoder according to any one of claims 1 to 6, characterized in that the top edge of the switch encapsulation body (9) is provided with the switch (94), a switch pressing pad (7) is arranged between the inner rotating shaft (6) and the switch encapsulation body (9), the edge of the bottom end face of the inner rotating shaft (6) is provided with a lower end face (64), the upper end face (71) of the switch pressing pad (7) is divided into an inner ring and an outer ring through an annular cutting groove, the lower end face (64) of the inner rotating shaft (6) is abutted against the inner ring of the upper end face (71) of the switch pressing pad (7), the edge of the switch pressing pad (7) is fixedly connected with the switch encapsulation body (9), a small boss (73) is arranged below the inner ring of the upper end face (71) of the switch pressing pad (7), and when the inner rotating shaft (6) presses down the switch pressing pad (7), the small boss (73) can press the dome (8) to be in contact with the switch (94) downwards.
  9. 9. The encoder of claim 8, wherein a plurality of clamping positions (72) are arranged on the edge of the switch pressing gasket (7), a plurality of third grooves (92) are arranged on the top edge of the switch encapsulation body (9), the switch pressing gasket (7) is respectively sleeved into the plurality of third grooves (92) of the switch encapsulation body (9) through the plurality of clamping positions (72), fourth grooves (93) provided with the switch (94) are respectively arranged on two sides of the top edge of the switch encapsulation body (9), the dome pieces (8) are fixed through the fourth grooves (93), the small bosses (73) are respectively arranged on two sides below an inner ring of the upper end face (71) of the switch pressing gasket (7), and the small bosses (73) on two sides can be respectively pressed on centers (81) of the dome pieces (8) on two sides to generate pressing actions.
  10. 10. An encoder according to any one of claims 1 to 6, wherein a dome placement groove (96) is provided in the middle of the switch encapsulation body (9), the switch (94) is provided at the bottom of the dome placement groove (96), the dome (8) is provided at the top of the dome placement groove (96), a pressing point (65) protruding downward in a conical shape is provided in the middle of the bottom end surface of the inner rotating shaft (6), and the pressing point (65) can press the dome (8) downward to contact with the switch (94).

Description

Encoder Technical Field The utility model relates to the technical field of encoders, in particular to an encoder. Background 1. The prior art is as follows: The hollow encoder is an encoder with a hollow space (hollow in the center), and is intended to provide a hollow space for a customer to use, and to add a light emitting device, other pressing function device, or the like. The existing hollow encoders are all provided with an outer shaft which rotates and does not have a pressing function. 2. The technical problem to be solved is that the traditional encoder is that the outer shaft rotates and cannot be additionally provided with a push switch function. Disclosure of utility model The utility model aims to provide an encoder which solves the technical problem that a traditional encoder can not be additionally provided with a push switch function for rotating an outer shaft. In order to achieve the above purpose, the technical scheme of the utility model provides an encoder, which comprises an outer shaft, wherein a hollow space vertically penetrating through the outer shaft is arranged inside the outer shaft, an inner rotating shaft is arranged inside the outer shaft, the inner rotating shaft can rotate and vertically move relative to the outer shaft, an annular groove is arranged at the bottom edge of the outer shaft, the inner diameter of the annular groove is larger than the inner diameter of a cylindrical body of the outer shaft, the annular groove is positioned below the cylindrical body of the outer shaft, a plurality of rubber coating chips are arranged on the inner top surface of the annular groove, a rotating disc is sleeved on the outer circumferential surface of the bottom end of the inner rotating shaft, the rotating disc is rotationally assembled in the annular groove, a plurality of brushes are arranged on the top edge of the rotating disc, the brushes can respectively contact with and separate from the rubber coating chips in the process of driving the brushes by the inner rotating shaft, a switch rubber coating body is arranged below the outer shaft, a dome is arranged on the switch rubber coating body, the upper side of the switch is covered on the switch, the dome is arranged at the center of the dome, and when the inner shaft is rotated upwards, the inner rotating disc is rotationally assembled in the annular groove, and the dome is in contact with the bottom end of the dome. Further, the top edge of the rotating disc is provided with a plurality of posts, and the posts are sequentially distributed along the circumferential direction of the rotating disc; the two ends of the brush are respectively provided with a brush claw and a round hole, the brush is sleeved on the pillar through the round hole and riveted together, the brush can be contacted with and separated from a plurality of rubber coating chips through the brush claws, and the brush claw of one brush is adjacent to the round hole of the other brush. Further, the bottom edge of the inner rotating shaft is provided with a plurality of protruding blocks, the protruding blocks are sequentially distributed along the circumferential direction of the inner rotating shaft, the bottom edge of the rotating disc is provided with a plurality of second grooves, the second grooves are sequentially distributed along the circumferential direction of the rotating disc, the protruding blocks are respectively sleeved into the second grooves upwards, so that the inner rotating shaft can drive the rotating disc to rotate together, and the protruding blocks can move up and down relative to the second grooves. Further, a plurality of positioning grooves are formed in the bottom edge of the rotating disc, the plurality of positioning grooves are distributed in sequence along the circumferential direction of the rotating disc, the plurality of positioning grooves are located on the outer sides of the plurality of second grooves, positioning spring pieces are arranged below the rotating disc, the middle parts of the positioning spring pieces penetrate through the middle parts of the positioning spring pieces vertically, the bottom end of the inner rotating shaft penetrates through the middle parts of the positioning spring pieces, positioning bud points are arranged on the edges of the positioning spring pieces, the positioning spring pieces are fixedly connected with the bottom edges of the annular grooves, the rotating disc is limited up and down by the positioning spring pieces and the annular grooves, and when the inner rotating shaft rotates, the positioning bud points can be contacted with and separated from the plurality of positioning grooves. Further, first positioning columns are respectively arranged at two sides of the bottom edge of the annular groove, holes of the elastic sheets are respectively arranged at two ends of the positioning elastic sheets, positioning bud points are respectively arranged at the other two ends of the positio