CN207896649U - A kind of earth leakage protective device of digital encoder - Google Patents

Abstract

The utility model discloses a kind of earth leakage protective devices of digital encoder, are related to earth leakage protective device technical field.Including earth leakage protective device ontology and shell, earth leakage protective device ontology is evenly equipped with fixing axle on one side；Fixing axle is a cylindrical structure, and cylinder side face diameter is to being provided with one first block；First block is a circular ring structure；First block outer surface is installed with one first buffer element；First block both ends of the surface are installed with one second buffer element；Shell is a cylindrical structure, and cylinder both ends are respectively and fixedly provided with a first baffle；First buffer element outer surface coordinates in inner walls.The utility model in the first block outer surface by installing the first buffer element; the second buffer element is installed on the first block two sides; while enhancing the vertically and horizontally buffer capacity of earth leakage protective device ontology; it enhances when multi-angle vibrations occur for earth leakage protective device ontology, to the protective capability of earth leakage protective device ontology.

Description

A kind of earth leakage protective device of digital encoder

Technical field

The utility model belongs to earth leakage protective device technical field, more particularly to a kind of earth leakage protective of digital encoder Device.

Background technology

Encoder be signal (such as bit stream) or data are worked out, be converted to can be used to communicate, transimission and storage The equipment of signal form.Angular displacement or straight-line displacement are converted into electric signal by encoder, the former is known as code-disc, and the latter is known as code Ruler.It can be divided into contact and two kinds contactless according to playback mode encoder；It can be divided into increasing according to operation principle encoder Two class of amount formula and absolute type.Incremental encoder is displacement to be converted into periodic electric signal, then this electric signal is changed At pulse is counted, the size of displacement is indicated with the number of pulse.Each position of absolute type encoder correspond to one it is determining Digital code.

Earth leakage protective device is to cause a kind of earth protective device of accident for preventing the person from getting an electric shock and leaking electricity, and works as circuit Electrical equipment leakage current be more than device setting valve or people, animal occur Danger Electric shock risk when, it can be acted rapidly, cut-out Emergency power supply avoids the expansion of accident, has ensured personal, equipment safety.

Currently, the safeguard procedures of the digital encoder to being used under adverse circumstances are preferable, but for the leakage of digital encoder The safeguard procedures of electrical protective device are poor, and in the place that vibrations take place frequently, earth leakage protective device is subject to destroy.

Utility model content

The purpose of this utility model is to provide a kind of earth leakage protective devices of digital encoder, by outside the first block The first buffer element is installed on surface, is installed the second buffer element on the first block two sides, is enhanced earth leakage protective device ontology Vertically and horizontally while buffer capacity, enhance when multi-angle vibrations occur for earth leakage protective device ontology, to earth leakage protective device It is poor to solve the existing safeguard procedures to the earth leakage protective device of digital encoder under adverse circumstances for the protective capability of ontology The problem of.

In order to solve the above technical problems, the utility model is achieved through the following technical solutions：

The utility model is a kind of earth leakage protective device of digital encoder, including earth leakage protective device ontology and shell, institute It states earth leakage protective device ontology and is evenly equipped with fixing axle on one side；The fixing axle is a cylindrical structure, and cylinder side face diameter is to setting It is equipped with one first block；First block is a circular ring structure；First block outer surface is installed with one first cushioning element Part enhances the horizontal buffer capacity to earth leakage protective device ontology；The first block both ends of the surface are installed with one second buffering Element enhances the vertical buffer capacity to earth leakage protective device ontology；The shell is a cylindrical structure, and the cylinder both ends are equal It is fixed with a first baffle；First buffer element outer surface coordinates in inner walls.

Further, two second buffer element one end are respectively fixed with a second baffle；The first baffle and Two baffles are a circular ring structure；The inner ring diameter of the first baffle is less than the race diameter of second baffle, and difference is in 1-2cm Range, enter in shell to prevent impurity.

Further, the housing outer surface is radially provided with one second block；Second block is a circular ring structure； The shell one end is provided with external screw thread, is convenient for installation of the shell in electrical cabinet.

Further, first buffer element is spring or rubber ring；Second buffer element is spring or rubber Circle.

The utility model has the advantages that：

1, the utility model is installed by installing the first buffer element in the first block outer surface on the first block two sides Second buffer element enhances while enhancing the vertically and horizontally buffer capacity of earth leakage protective device ontology and works as earth leakage protective When multi-angle vibrations occur for device ontology, to the protective capability of earth leakage protective device ontology.

2, the utility model is realized by the way that the inner ring diameter of first baffle to be set smaller than to the race diameter of second baffle Isolation of the shell to sundries.

3, by the way that the second block is radially arranged in housing outer surface external screw thread is arranged in shell one end, just in the utility model In installation of the shell in electrical cabinet.

Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.

Description of the drawings

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is hull outside structural schematic diagram；

Fig. 3 is housing interior structure schematic cross-sectional view；

In attached drawing, parts list represented by the reference numerals are as follows：

1- earth leakage protective device ontologies, 2- second baffles, 3- shells, the first buffer elements of 4-, the second buffer elements of 5-, 101- Fixing axle, the first blocks of 102-, 301- first baffles, the second blocks of 302-, 303- external screw threads.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The all other embodiment obtained, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that term " trepanning ", "upper", " in ", " length ", "inner" etc. Indicating position or position relationship, are merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply and is signified Component or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this practicality Novel limitation.

It please refers to Fig.1 shown in -3, the utility model is a kind of earth leakage protective device of digital encoder, including earth leakage protective Device ontology 1 and shell 3, earth leakage protective device ontology 1 is uniformly distributed there are three fixing axle 101 on one side, the fixation on earth leakage protective device ontology 1 Axis 101 is in angular distribution, enhances stability of the earth leakage protective device ontology 1 in electrical cabinet；Fixing axle 101 is a cylinder knot Structure, cylinder side face diameter is to being provided with one first block 102；First block 102 is a circular ring structure；First block, 102 appearance Face is installed with one first buffer element 4, enhances the horizontal buffer capacity to earth leakage protective device ontology 1；First block, 102 both ends Face is installed with one second buffer element 5, enhances the vertical buffer capacity to earth leakage protective device ontology 1；Shell 3 is a cylinder Structure, cylinder both ends are welded with a first baffle 301；First buffer element, 4 outer surface coordinates in 3 inner wall of shell.

Wherein, two second buffer elements, 5 one end is respectively fixed with a second baffle 2；First baffle 301 and second baffle 2 It is a circular ring structure；The inner ring diameter of first baffle 301 is less than the race diameter of second baffle 2, model of the difference in 1-2cm It encloses, enters in shell 3 to prevent impurity.

Wherein, 3 outer surface of shell is radially provided with one second block 302；Second block 302 is a circular ring structure；Shell 3 One end is provided with external screw thread 303, is convenient for installation of the shell 3 in electrical cabinet.

Wherein, the first buffer element 4 is spring or rubber ring；Second buffer element 5 is spring or rubber ring.

One of the present embodiment has particular application as：Three and the fixation on earth leakage protective device ontology 1 are opened up in electrical cabinet wall Then shell 3 is inserted into through-hole by 101 corresponding through-hole of axis, and by the way that electric leakage to be protected to the cooperation of bolt and external screw thread 303 Shield device ontology 1 is installed on electrical cabinet；When electrical cabinet shakes, the first buffer element 4 and the second buffer element 5 are to electric leakage Protector body 1 is protected；

Wherein, the second buffer element 5 is installed in the both ends of the surface of the first block 102 first, and in two second buffer elements 5 one Second baffle 2 is fixed at end；Then the first buffer element 4 is installed in 102 weeks sides of the first block, then puts the first block 102 In the cavity for entering shell 3, and two first baffles 301 are separately fixed to the both ends of shell 3.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode that the utility model is only described yet.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, to enable skilled artisan to be best understood by and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (4)

1. a kind of earth leakage protective device of digital encoder, including earth leakage protective device ontology (1) and shell (3), it is characterised in that：

The earth leakage protective device ontology (1) is evenly equipped with fixing axle (101) on one side；The fixing axle (101) is a cylindrical structure, institute Cylinder side face diameter is stated to being provided with one first block (102)；First block (102) is a circular ring structure；Described first Block (102) outer surface is installed with one first buffer element (4)；First block (102) both ends of the surface are installed with one second Buffer element (5)；

The shell (3) is a cylindrical structure, and the cylinder both ends are respectively and fixedly provided with a first baffle (301)；

Wherein, the first buffer element (4) outer surface cooperation is in shell (3) inner wall.

2. a kind of earth leakage protective device of digital encoder according to claim 1, which is characterized in that two described second is slow It rushes element (5) one end and is respectively fixed with a second baffle (2)；

The first baffle (301) and second baffle (2) are a circular ring structure；The inner ring diameter of the first baffle (301) Less than the race diameter of second baffle (2), range of the difference in 1-2cm.

3. a kind of earth leakage protective device of digital encoder according to claim 1, which is characterized in that the shell (3) Outer surface is radially provided with one second block (302)；Second block (302) is a circular ring structure；

Described shell (3) one end is provided with external screw thread (303).

4. a kind of earth leakage protective device of digital encoder according to claim 1, which is characterized in that first buffering Element (4) is spring or rubber ring；

Second buffer element (5) is spring or rubber ring.