CN112050833A - Code disc - Google Patents

Abstract

The invention provides a code wheel which comprises a fixed shaft and a magnetic disk, wherein the magnetic disk is positioned on one side of the fixed shaft, the magnetic disk is provided with a first through hole, the fixed shaft is provided with a second through hole, the first through hole and the second through hole are opposite in position, and a plurality of fixed grooves are formed in the peripheral side of the second through hole. According to the coded disc, the buckling tool extends into the fixing groove, the buckling tool is buckled in the fixing groove, the fixing groove is used for limiting the buckling tool and preventing the buckling tool from sliding, the coded disc is driven to rotate by rotating the buckling tool, so that the coded disc is fixed on a fixed object or a rotating shaft for testing the coded disc, the coded disc is conveniently installed in the process of installing the coded disc, time and labor are saved, and the installation efficiency is improved.

Description

Code disc

Technical Field

The invention relates to the field of encoders, in particular to a coded disc.

Background

The code wheel is a part of a digital encoder for measuring angular displacement, has the advantages of strong resolving power, high measuring precision, reliable work and the like, is the most common displacement sensor for measuring the rotating angle position of a shaft, and is divided into an absolute encoder and an incremental encoder, wherein the absolute encoder can directly give out a digital code corresponding to the angular position, and the incremental encoder utilizes a computer system to add or subtract pulse quantity generated by a rotary code wheel aiming at a certain reference number so as to obtain the angular displacement.

Therefore, it is necessary to provide a code wheel to solve the above technical problems.

Disclosure of Invention

The invention provides a coded disc, which aims to solve the problems that the coded disc in the prior art is not provided with a buckle structure, so that the coded disc is very time-consuming and labor-consuming to mount and dismount, and is inconvenient to use.

In order to solve the technical problems, the technical scheme of the invention is as follows: a coded disc comprises a fixed shaft and a magnetic disc, wherein the magnetic disc is located on one side of the fixed shaft, the magnetic disc is provided with a first through hole, the fixed shaft is provided with a second through hole, the first through hole corresponds to the second through hole, and a plurality of fixed grooves are formed in the periphery of the second through hole.

In the invention, the diameter of the second through hole is smaller than that of the first through hole, and a first limiting groove is formed between the magnetic disc and the fixed shaft.

In the invention, one side of the fixed shaft, which is close to the magnetic disc, is provided with a positioning bulge, and the positioning bulge is used for limiting the magnetic disc.

In the present invention, the distances between the plurality of fixing grooves are equal.

In the invention, the inner circumferential side and/or the outer circumferential side of the fixed shaft is provided with threads.

In the invention, the first limiting groove is provided with a chamfer.

In the invention, the fixed shaft comprises a limiting section and a rotating section, and the diameter of the second through hole of the rotating section is smaller than that of the second through hole of the limiting section.

The coded disc comprises a fixed shaft and a magnetic disc, wherein the magnetic disc is positioned on one side of the fixed shaft;

the fixing shaft comprises a second through hole, a positioning bulge, a chamfer, a thread and a plurality of fixing grooves, the second through hole penetrates through the fixing shaft, the positioning bulge is positioned at one side close to the magnetic disc, and the thread is positioned at the outer periphery side and/or the inner periphery side of the fixing shaft;

the fixed shaft comprises a limiting section and a rotating section, and the diameter of the second through hole of the rotating section is smaller than that of the second through hole of the limiting section.

The magnetic disc comprises a first through hole, the first through hole is opposite to the second through hole in position, a first limiting groove is formed by the first through hole and the fixing shaft, a chamfer is arranged on the first limiting groove, and the diameter of the second through hole is smaller than that of the first through hole.

Compared with the prior art, the invention has the beneficial effects that: according to the code wheel, the first through hole is formed in the magnetic disc, the second through hole is formed in the fixed shaft, the first through hole and the second through hole are opposite in position, the plurality of fixing grooves are formed in the second through hole, the fixing grooves are convenient for a buckling tool to extend into the fixing grooves, the code wheel can be conveniently rotatably installed and disassembled, time and labor are saved, and the installing and disassembling efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.

FIG. 1 is a perspective view of a preferred embodiment code wheel of the present invention.

FIG. 2 is a side view of a preferred embodiment code wheel of the present invention.

Fig. 3 is a cross-sectional view taken along section line a-a in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The code wheel in the prior art does not have the self-fixing function, and is usually fixed by bonding or external structure pressing, so that the code wheel is very time-consuming and labor-consuming in installation and disassembly and inconvenient to use.

The following is a preferred embodiment of the code wheel and clamp of the present invention that solves the above technical problems.

Referring to FIGS. 1, 2 and 3, FIG. 1 is a perspective view of a preferred embodiment code wheel of the present invention, FIG. 2 is a side view of a preferred embodiment code wheel of the present invention, and FIG. 3 is a cross-sectional view taken along section line A-A of FIG. 2.

In the drawings, elements having similar structures are denoted by the same reference numerals.

The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.

The coded disc comprises a fixed shaft 11 and a magnetic disc 12, wherein the magnetic disc 12 is positioned on one side of the fixed shaft 11, the magnetic disc 12 is provided with a first through hole, the fixed shaft 11 is provided with a second through hole, the first through hole corresponds to the second through hole, and the periphery of the second through hole is provided with a plurality of fixing grooves 111.

The fixing shaft 11 is located on one side of the disk 12, the fixing shaft 11 is used for supporting the disk 12, the first through hole of the disk 12 corresponds to the second through hole of the fixing shaft 11 in position, the second through hole of the fixing shaft 11 is provided with a plurality of fixing grooves 111, and corresponding fastening tools can conveniently stretch into the second through holes to rotate the fixing shaft 11.

The diameter of second through-hole is less than the diameter of first through-hole, form first spacing recess 13 between disk 12 and the fixed axle 11, one side that fixed axle 11 is close to disk 12 is provided with location arch 113, location arch 113 is used for spacing disk 12, when installing disk 12 on fixed axle 11, prevent that disk 12 from rocking, the diameter of second through-hole is less than the diameter of first through-hole, first spacing recess 13 is used for spacing buckle instrument, prevent that buckle instrument from continuing to stretch into in the second through-hole.

The distance between a plurality of fixed recesses 111 equals, the internal periphery side or the peripheral side of fixed axle 11 is provided with screw thread 112, first spacing recess 13 is provided with the chamfer, the distance between a plurality of fixed recesses 111 equals, the application of force is the same when the fixed axle 11 is rotated to the buckle instrument, conveniently rotates, first spacing recess 13 is provided with the chamfer, the chamfer is used for making things convenient for the buckle instrument to stretch into in the second through-hole, the internal periphery side or the peripheral side of fixed axle 11 is provided with screw thread 112, make things convenient for fixed axle 11 to fix on the fixture.

The fixed shaft 11 comprises a limiting section 115 and a rotating section 114, the diameter of a second through hole of the rotating section 114 is smaller than that of a second through hole of the limiting section 115, when the rotating section 114 is fixed on a fixed object, the fixed object is prevented from continuously extending into the other side of the code disc, and the fixed object is used for limiting the fixed object.

The working principle is as follows:

the magnetic disk 12 is located on one side of the fixed shaft 11, the magnetic disk 12 is limited on the fixed shaft 11 through the positioning protrusion 113 to prevent the magnetic disk 12 from moving or shaking, a chamfer is arranged on the peripheral side of the second through hole of the fixed shaft 11 to facilitate a fastening tool to extend into the fixed shaft 11 to rotate the fixed shaft, threads 112 are arranged on the inner peripheral side or the outer peripheral side of the fixed shaft 11, and the threads 112 are used for fixing the fixed shaft 11 on a fixed object.

At first, stretch into the second through-hole with the buckle instrument, buckle instrument buckle is in fixed recess 111, and through rotating the buckle instrument, the buckle instrument drives fixed axle 11 and rotates to conveniently fix the code wheel on the fixture, labour saving and time saving not only still facilitates the use simultaneously.

The coded disc of the preferred embodiment is provided with the second through hole on the first through hole and the fixed shaft on the magnetic disc, the first through hole is opposite to the second through hole in position, the second through hole is internally provided with the plurality of fixed grooves, the fixed grooves are convenient for a buckling tool to stretch into the fixed grooves, the coded disc is convenient to rotate and install, and the coded disc is time-saving, labor-saving and convenient to use during installation and disassembly.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims (8)

1. The coded disc is characterized by comprising a fixed shaft and a magnetic disc, wherein the magnetic disc is positioned on one side of the fixed shaft, the magnetic disc is provided with a first through hole, the fixed shaft is provided with a second through hole, the first through hole corresponds to the second through hole, and a plurality of fixed grooves are formed in the peripheral side of the second through hole.

2. The code wheel of claim 1, wherein the diameter of the second through hole is smaller than the diameter of the first through hole, and a first limit groove is formed between the magnetic disc and the fixed shaft.

3. The code wheel of claim 1, wherein a side of the fixed shaft close to the magnetic disc is provided with a positioning protrusion for limiting the magnetic disc.

4. The code wheel of claim 1, wherein distances between a plurality of the fixing grooves are equal.

5. The code wheel according to claim 1, characterized in that an inner peripheral side and/or an outer peripheral side of the fixed shaft is provided with a thread.

6. The code wheel of claim 1, characterized in that the first limit groove is provided with a chamfer.

7. The code wheel of claim 1, wherein the fixing shaft includes a stopper section and a rotating section, and a diameter of the second through hole of the rotating section is smaller than a diameter of the second through hole of the stopper section.

8. The coded disc is characterized by comprising a fixed shaft and a magnetic disc, wherein the magnetic disc is positioned on one side of the fixed shaft;

the fixing shaft comprises a second through hole, a positioning bulge, a chamfer, a thread and a plurality of fixing grooves, the second through hole penetrates through the fixing shaft, the positioning bulge is positioned at one side close to the magnetic disc, and the thread is positioned at the outer periphery side and/or the inner periphery side of the fixing shaft;

the fixed shaft comprises a limiting section and a rotating section, and the diameter of the second through hole of the rotating section is smaller than that of the second through hole of the limiting section.

The magnetic disc comprises a first through hole, the first through hole is opposite to the second through hole in position, a first limiting groove is formed by the first through hole and the fixing shaft, a chamfer is arranged on the first limiting groove, and the diameter of the second through hole is smaller than that of the first through hole.

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