旋转增量型编码器

Abstract

本实用新型公开了一种旋转增量型编码器，包括编码器本体、盖体、勾体和转轴，编码器本体设置有引脚，引脚用于和PCB板电连接，编码器本体用于输出数字脉冲信号；盖体盖合于编码器本体的上方，盖体两相对的侧边设置有卡槽；勾体的一端和编码器本体的底部固定连接，另一端和卡槽卡接，勾体呈折弯状，并包裹编码器本体，勾体和卡槽一一对应，勾体具有弹性；转轴的一端穿设于盖体，另一端突出于盖体之外，转轴和盖体转动连接，转轴伸入盖体的一端用于和编码器本体配合，以调整编码器本体输出的数字脉冲信号。利用勾体配合盖体上的卡槽，从两侧来对盖体和编码器本体进行初步定位，避免盖体和编码器在组装过程中发生相对位移，方便进一步加固工序。

Claims

1. A rotary incremental encoder, characterized by, include: The encoder body (100) is provided with pins (110), which are used to electrically connect to the PCB board, and the encoder body (100) is used to output digital pulse signals; A cover (200) is fitted over the encoder body (100), and the cover (200) has slots (210) on two opposite sides; The hook (300) is fixedly connected at one end to the bottom of the encoder body (100) and at the other end to the slot (210). The hook (300) is bent and wraps around the encoder body (100). The hook (300) and the slot (210) correspond one-to-one. The hook (300) is elastic. A rotating shaft (400) has one end inserted through the cover (200) and the other end protruding outside the cover (200). The rotating shaft (400) and the cover (200) are rotatably connected. One end of the rotating shaft (400) extending into the cover (200) is used to cooperate with the encoder body (100) to adjust the digital pulse signal output by the encoder body (100).

2. The rotary incremental encoder of claim 1, wherein, A knob (500) is provided at one end of the pivot (400) that protrudes beyond the cover (200). The knob (500) is sleeved on the end of the pivot (400) and engages with the end of the pivot (400) so that the knob (500) can drive the pivot (400) to pivot.

3. The rotary incremental encoder of claim 2, wherein, The end of the rotating shaft (400) is provided with a connecting protrusion (410). On the cross-section of the connecting protrusion (410), one side of the connecting protrusion (410) is an arc surface, and the other side is a first limiting surface (411) that is flat. The bottom of the knob (500) is provided with a limiting hole (511). The shape of the limiting hole (511) matches the shape of the connecting protrusion (410). The limiting hole (511) is provided with a second limiting surface (5111). The connecting protrusion (410) is embedded in the limiting hole (511) so that the first limiting surface (411) and the second limiting surface (5111) abut against each other.

4. The rotary incremental encoder of claim 3, wherein, The end of the rotating shaft (400) is provided with an abutment surface (420). When the connecting protrusion (410) is inserted into the limiting hole (511), the abutment surface (420) and the bottom surface of the cover (200) abut against each other.

5. The rotary incremental encoder of claim 3, wherein, The cover (200) includes: Outer shell (520); The inner shell (510) is built into the outer shell (520), the limiting hole (511) is located at the center of the inner shell (510), and a gap is provided between the inner shell (510) and the inner side surface of the outer shell (520); Multiple reinforcing ribs (530) are provided. The reinforcing ribs (530) connect the inner side of the outer shell (520) and the outer side of the inner shell (510). Multiple reinforcing ribs (530) are provided and are arranged around the center of the inner shell (510).

6. The rotary incremental encoder of claim 1, wherein, The hook (300) includes: The first connecting plate (310) is fixedly connected to the bottom surface of the encoder body (100), and the end of the first connecting plate (310) protrudes from the side of the encoder body (100). The snap-fit ​​component (320) snaps into the slot (210); The second connecting plate (330) is fixedly connected at one end to the end of the first connecting plate (310) and at the other end to the snap-fit ​​member (320). The second connecting plate (330) abuts against the side of the encoder body (100) and is elastic.

7. The rotary incremental encoder of claim 6, wherein, The slot (210) extends from top to bottom through the side of the cover (200). The bottom of the cover (200) has two protrusions (211) on its inner sides. The snap-fit ​​member (320) is embedded in the slot (210) and abuts against the upper surface of the protrusion (211). The second connecting plate (330) is embedded between the two protrusions (211).

8. The rotary incremental encoder according to claim 7, characterized in that, The upper end of the second connecting plate (330) is provided with grooves (331) on both sides, and the protrusion (211) is embedded in the grooves (331).

9. The rotary incremental encoder of claim 7, wherein, A connecting edge (212) is provided between the two protrusions (211), the outer side of the connecting edge (212) is flush with the outer side of the encoder body (100), the second connecting plate (330) abuts against the connecting edge (212) and the encoder body (100), and the snap-fit ​​member (320) overlaps the upper surface of the protrusions (211) and the connecting edge (212).

10. The rotary incremental encoder of claim 1, wherein, The upper end face of the cover (200) is provided with a cylinder (220), and the rotating shaft (400) is inserted into the cylinder (220). The rotating shaft (400) and the cylinder (220) are rotatably engaged.

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