编码器组件
By employing a surface contact design for the positioning plate and the rotating wheel in the encoder assembly, the structure is simplified and made thinner, solving the problem that existing encoders cannot be miniaturized.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG FENGSHI WEIQI ELECTRONIC TECH CO LTD
- Filing Date
- 2025-09-04
- Publication Date
- 2026-07-17
AI Technical Summary
Existing encoder components have complex structures, and the rotor needs to be thick enough to ensure the contact area between the teeth and the brush lever, which makes it impossible to miniaturize the encoder.
The encoder uses a positioning plate and a rotating wheel structure. The rotating wheel has rotating teeth that abut against the protrusions for surface contact, which simplifies the structure of the encoder assembly. Brushes are arranged around the rotating wheel to achieve a thin and light design.
The structure of the encoder assembly is simplified, enabling miniaturization of the encoder, and eliminating the need to ensure tooth thickness to guarantee stable encoding operations.
Smart Images
Figure CN224517797U_ABST
Abstract
Claims
1. An encoder component, characterized by, include: A base (1) having a receiving cavity (10); Positioning piece (3), the positioning piece (3) is fixedly disposed in the receiving cavity (10), and the positioning piece (3) has a protrusion (31) on the outward side; A rotating wheel (4) is rotatably disposed in the receiving cavity (10) corresponding to the positioning piece (3). The end face of the rotating wheel (4) facing the positioning piece (3) is circumferentially arranged with rotating teeth (41). A brush (42) is circumferentially arranged on the side of the rotating wheel (4). When the rotating wheel (4) rotates circumferentially, the rotating teeth (41) abut against the protrusion (31) so that the rotating wheel (4) is displaced axially and drives the brush (42) to encode.
2. The encoder assembly of claim 1, wherein, Also includes: Connecting shaft (6); The rotating wheel (4) is provided with a rotating hole (43), the rotating hole (43) is polygonal, the connecting shaft (6) is provided with a connecting part (63) corresponding to the rotating hole (43), the connecting shaft (6) passes through the rotating hole (43) through the connecting part (63) and is connected to the rotating wheel (4), so that the connecting shaft (6) rotates and drives the rotating wheel (4) to rotate circumferentially.
3. The encoder assembly of claim 2, wherein, Also includes: Contact piece (2); The contact piece (2) is disposed in the receiving cavity (10) corresponding to the rotating hole (43), and the connecting shaft (6) is provided with a contact part (62) corresponding to the contact piece (2). The connecting shaft (6) can slide relative to the rotating wheel (4) along the rotating hole (43) so that the contact part (62) presses the contact piece (2) to output a signal.
4. The encoder assembly of claim 3, wherein, The positioning piece (3) is arranged in a ring shape, and the positioning piece (3) is provided with a through hole (32) corresponding to the rotating hole (43). The contact part (62) presses the contact piece (2) through the through hole (32).
5. The encoder assembly of claim 3, wherein, The bottom end of the receiving cavity (10) is provided with a mounting groove (12) corresponding to the rotating hole (43), and the contact piece (2) is disposed in the mounting groove (12) and is disposed in the receiving cavity (10) corresponding to the rotating hole (43).
6. The encoder assembly of claim 2, wherein, Also includes: A cover plate (5) is mounted on the base (1) and connected to the wheel (4) to limit the range of axial displacement of the wheel (4) within the receiving cavity (10).
7. The encoder assembly of claim 6, wherein, Also includes: A rotating shaft (7) is provided with a through hole (51) corresponding to the rotating hole (43). The rotating shaft (7) is rotatably disposed in the through hole (51). The end of the rotating shaft (7) away from the connecting shaft (6) is exposed outside the cover plate (5). The end of the rotating shaft (7) facing the connecting shaft (6) is provided with a snap-fit hole (71). The snap-fit hole (71) is polygonal. The connecting shaft (6) is provided with a snap-fit part (61) corresponding to the snap-fit hole (71). The snap-fit part (61) is snapped into the snap-fit hole (71) through the through hole (51) so that the rotating shaft (7) rotates and drives the connecting shaft (6) to rotate.
8. The encoder assembly of claim 6, wherein, The edge of the cover plate (5) extends toward the base (1) to form a slot (53), and the base (1) is provided with a mounting plate (15) corresponding to the slot (53). The cover plate (5) is fastened to the mounting plate (15) through the slot (53) and mounted on the base (1). And / or, the edge of the cover plate (5) extends toward the base (1) to form a fastening part (54), and the base (1) is provided with a fastening groove (16) on the side away from the cover plate (5) corresponding to the fastening part (54), and the cover plate (5) is fastened to the base (1) by the fastening part (54) and fastened to the fastening groove (16); And / or, the base (1) is provided with a fixing post (14) on the side facing the cover plate (5), and the cover plate (5) is provided with a fixing hole (52) corresponding to the fixing post (14). The cover plate (5) is sleeved on the fixing post (14) through the fixing hole (52) and installed on the base (1).
9. The encoder assembly of any one of claims 1 to 8, wherein, The brush (42) includes a brush head (421), a brush rod (422), and a boss (423). The boss (423) is formed on the radially extending side of the rotating wheel (4). The brush rod (422) is formed by the circumferential extension of the boss (4) along the rotating wheel (4). The brush head (421) is disposed at the end of the brush rod (422) away from the boss (423). The brush head (421) contacts the encoding circuit at the bottom of the receiving cavity (10) for encoding.
10. The encoder assembly of any one of claims 1 to 8, wherein, The bottom end of the receiving cavity (10) is provided with a mounting post (13) corresponding to the positioning piece (3), and the positioning piece (3) is provided with a mounting hole (33) corresponding to the mounting post (13). The positioning piece (3) is sleeved on the mounting post (13) through the mounting hole (33) and fixedly installed in the receiving cavity (10).