CN215447977U

CN215447977U - Encoder with glue overflow prevention structure

Info

Publication number: CN215447977U
Application number: CN202122375240.8U
Authority: CN
Inventors: 曹帅; 蒋卓文
Original assignee: Wuxi Sanle Precision Machinery Manufacturing Co ltd
Current assignee: Wuxi Sanle Precision Machinery Manufacturing Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-07
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to the technical field of encoders, in particular to an encoder with an anti-glue-overflow structure.

Description

Encoder with glue overflow prevention structure

Technical Field

Background

An encoder is a device that compiles and converts signals or data into a form that can be used for communication, transmission, and storage; is a device for converting angular displacement or linear displacement into an electric signal.

In the prior art, glue is generally smeared on the upper top surface of a code disc seat, then a code disc is bonded, when the glue is smeared too little, bonding is easy to cause infirm, when the glue is smeared too much, redundant glue overflows in the process of mounting the code disc, the overflowed glue flows into a bearing or other parts of an encoder, normal work of other parts can be influenced, and an installer is required to clean and the like, so that adverse influence is generated on mounting efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the utility model provides an encoder with an anti-glue-overflow structure, which comprises an encoder main body, a code disc seat, a code disc and a main shaft, wherein the encoder main body is provided with a plurality of glue overflow holes; a cylindrical inner cavity is formed in the encoder main body; the inner cavity penetrates through the encoder main body; the code disc seat is arranged at a port of the inner cavity; the code disc seat and the code disc are both arranged in a disc shape; the coded disc is coaxially arranged on the upper top surface of the coded disc seat; the coded disc and the coded disc seat are parallel to each other; the lower bottom surface of the code disc is contacted with the upper top surface of the code disc seat; the main shaft penetrates through the inner cavity along the axial direction of the inner cavity; the main shaft also penetrates through the centers of the code disc and the code disc seat; the coded disc and the coded disc seat are perpendicular to the main shaft; the main shaft can drive the code disc and the code disc seat to rotate; a plurality of glue overflow grooves are formed in the upper top surface of the code disc seat; all the glue overflow grooves are arranged in a circular ring shape by taking the main shaft as the center; the lower bottom surface of the coded disc can seal all the glue overflow grooves.

Furthermore, a glue dispensing groove is formed in the upper top surface of the code disc seat; the glue dispensing groove and the glue overflow groove are arranged in the same direction; the glue dispensing groove and all the glue overflow grooves are arranged concentrically; all the glue overflowing grooves are respectively arranged on two sides of the glue dispensing groove.

Further, the cross section shape of the glue dispensing groove is the same as that of all the glue overflow grooves.

Furthermore, the glue dispensing groove and the glue overflowing groove are in smooth transition connection with the upper top surface of the code disc seat.

Further, two bearings are coaxially arranged inside the inner cavity; the two bearings are respectively arranged at two ends of the inner cavity; the main shaft penetrates through the two bearings; the main shaft can rotate along with the inner ring of the bearing.

The utility model has the advantages or beneficial effects that:

according to the encoder with the glue overflow prevention structure, the plurality of glue overflow grooves are formed in the code disc seat, glue can be gradually dispersed into the glue overflow grooves after glue is coated on the code disc seat by an installer, then the code disc is installed, the code disc and the code disc seat are mutually extruded, redundant glue can be extruded into the glue overflow grooves, and through the arrangement, on one hand, the phenomenon that the normal operation of other parts of the encoder is affected due to excessive overflow of the glue can be avoided, on the other hand, the redundant glue cannot overflow to the outside, the installer does not need to perform cleaning and other work, and the installation efficiency can be effectively improved.

Drawings

The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a cross-sectional view of an encoder with an anti-flash structure provided in embodiment 1 of the present invention;

fig. 2 is a partially enlarged view of fig. 1.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are 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 embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.

Example 1

In order to solve the above technical problem, the encoder with the glue overflow prevention structure provided in embodiment 1, as shown in fig. 1 to 2, includes an encoder main body 1, a code disc seat 2, a code disc 3 and a main shaft 4; a cylindrical inner cavity 11 is formed in the encoder main body 1; the inner cavity 11 penetrates through the encoder body 1; the code disc seat 2 is arranged at the port of the inner cavity 11; the code disc seat 2 and the code disc 3 are both arranged in a disc shape; the coded disc 3 is coaxially arranged on the upper top surface of the coded disc seat 2; the code disc 3 and the code disc seat 2 are parallel to each other; the lower bottom surface of the code disc 3 is contacted with the upper top surface of the code disc seat 2; the main shaft 4 penetrates through the inner cavity 11 along the axial direction of the inner cavity 11; the main shaft 4 also penetrates through the centers of the code disc 3 and the code disc seat 2; the code disc 3 and the code disc seat 2 are vertical to the main shaft 4; the main shaft 4 can drive the code disc 3 and the code disc seat 2 to rotate; a plurality of glue overflow grooves 21 are formed on the upper top surface of the code disc seat 2; all the glue overflow grooves 21 are arranged in a circular ring shape by taking the main shaft 4 as the center; the lower bottom surface of the code wheel 3 can seal all the glue overflow grooves 21.

This embodiment 1 is through seting up a plurality of and overflowing gluey groove 21 on code wheel seat 2, the installer paints glue after on code wheel seat 2, glue can disperse gradually in overflowing gluey groove 21, install code wheel 3 again, code wheel 3 hugs closely each other with code wheel seat 2, unnecessary glue also can be extruded and overflows in gluey groove 21, through this setting, can avoid glue too much to spill over and influence the normal operating of other parts of encoder on the one hand, on the other hand, unnecessary glue can not spill over to the outside, the installer need not carry out work such as cleaning, can improve the installation effectiveness effectively.

In order to facilitate an installer to apply glue, in the encoder with the glue overflow prevention structure provided in this embodiment 1, a glue applying groove 22 is further formed in the upper top surface of the code wheel base 2; the glue dispensing groove 22 and the glue overflowing groove 21 are arranged in the same direction; the glue dispensing groove 22 and all glue overflow grooves 21 are arranged concentrically; all glue overflow grooves 21 are respectively arranged at two sides of the glue dispensing groove 22. In this embodiment 1, the setting of glue groove 22 can manage and control the volume of glue and the position of glue, guarantees that each position between code wheel 3 and the code wheel seat 2 coheres intensity evenly, and when code wheel 3 and code wheel seat 2 hug closely the installation each other, still has some glue to be extruded glue groove 22, will overflow glue groove 21 and set up respectively in the both sides of glue groove 22, can collect the glue that overflows from glue groove 22.

Specifically, two glue overflow grooves 21 are provided, one glue overflow groove 21 is close to the main shaft 4, the outer wall of the main shaft 4 is used as a groove wall, and the overflowed glue can be adhered to the main shaft 4, so that the connection strength between the main shaft 4 and the code disc seat 2 is enhanced; the other glue overflow groove 21 is close to the edge of the code disc seat 2, and the overflow glue is prevented from overflowing to the outside of the code disc seat 2.

For the convenience of manufacturing, the encoder with the glue overflow preventing structure provided in this embodiment 1 has the same cross-sectional shape of the glue dispensing groove 22 as that of the glue overflow groove 21. The code disc seat 2 can be formed by other modes such as extrusion, and the shapes of the glue dispensing groove 22 and the glue overflowing groove 21 are set to be the same, so that the forming and the manufacturing are convenient.

In order to enhance the mechanical performance of the code wheel base 2, in the encoder with the glue overflow preventing structure provided in this embodiment 1, the glue dispensing slot 22 and the glue overflow slot 21 are both in smooth transition connection with the upper top surface of the code wheel base 2. This embodiment 1 can avoid some glue groove 22 and overflow gluey groove 21 and the junction of code wheel seat 2 to produce stress concentration through this setting, leads to the condition of code wheel seat 2 fracture to take place to improve the mechanical properties of code wheel seat 2, prolong the life of code wheel seat 2.

Preferably, in the encoder with the glue overflow prevention structure provided in embodiment 1, two bearings 12 are coaxially disposed inside the inner cavity 11; the two bearings 12 are respectively arranged at two ends of the inner cavity 11; the main shaft 4 penetrates through the two bearings 12; the main shaft 4 is rotatable with the inner race of the bearing 12. The two bearings 12 are spaced apart in the inner cavity 11, and inner rings of the two bearings 12 are fixed to the main shaft 4, thereby restricting the main shaft 4 from being displaced in the axial direction.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims

1. An encoder with an anti-overflow glue structure is characterized by comprising an encoder main body, a code disc seat, a code disc and a main shaft;

a cylindrical inner cavity is formed in the encoder main body; the inner cavity penetrates through the encoder main body; the code disc seat is arranged at a port of the inner cavity; the code disc seat and the code disc are both arranged in a disc shape; the coded disc is coaxially arranged on the upper top surface of the coded disc seat; the coded disc and the coded disc seat are parallel to each other; the lower bottom surface of the code disc is contacted with the upper top surface of the code disc seat; the main shaft penetrates through the inner cavity along the axial direction of the inner cavity; the main shaft also penetrates through the centers of the code disc and the code disc seat; the coded disc and the coded disc seat are perpendicular to the main shaft; the main shaft can drive the code disc and the code disc seat to rotate;

a plurality of glue overflow grooves are formed in the upper top surface of the code disc seat; all the glue overflow grooves are arranged in a circular ring shape by taking the main shaft as the center; the lower bottom surface of the coded disc can seal all the glue overflow grooves.

2. The encoder with the glue overflow preventing structure as claimed in claim 1, wherein a glue dispensing groove is further formed on the upper top surface of the code disc seat; the glue dispensing groove and the glue overflow groove are arranged in the same direction; the glue dispensing groove and all the glue overflow grooves are arranged concentrically; all the glue overflowing grooves are respectively arranged on two sides of the glue dispensing groove.

3. The encoder with an anti-flash structure of claim 2, wherein the cross-sectional shape of the dispensing slot is the same as the cross-sectional shape of all the flash slots.

4. The encoder with the glue overflow preventing structure as claimed in claim 2, wherein the glue dispensing groove and the glue overflow groove are both in smooth transition connection with the upper top surface of the code wheel base.

5. The encoder with the glue overflow preventing structure as claimed in claim 1, wherein two bearings are coaxially arranged inside the inner cavity; the two bearings are respectively arranged at two ends of the inner cavity; the main shaft penetrates through the two bearings; the main shaft can rotate along with the inner ring of the bearing.