CN215413792U

CN215413792U - Photoelectric security encoder

Info

Publication number: CN215413792U
Application number: CN202121778886.4U
Authority: CN
Inventors: 乐英涛
Original assignee: Beijing Chengpin Snapshot Internet Of Things Technology Co ltd
Current assignee: Beijing Chengpin Snapshot Internet Of Things Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-04
Anticipated expiration: 2031-08-02

Abstract

The utility model belongs to the technical field of encoders, in particular to a photoelectric security encoder.A bearing sleeve is welded in the middle of a second connecting flange plate and is sleeved outside an output shaft, connecting components are respectively arranged between an encoder shell and the first connecting flange plate and between the encoder shell and the second connecting flange plate, a bearing is arranged between the bearing sleeve and the output shaft, and sealing components are arranged on two sides of the bearing; install first flange and the second flange plate of connecting at encoder casing both ends through coupling assembling, thereby the convenience at encoder casing both ends is installed to first flange plate and second flange plate has been increased, the encoder casing of being convenient for, first flange plate and second flange plate protect the inside encoder subassembly that sets up, bearing housing and output shaft are located the seal assembly that the bearing both sides set up simultaneously, be convenient for seal between bearing housing and the output shaft, thereby the seal performance of encoder has been increased.

Description

Photoelectric security encoder

Technical Field

The utility model belongs to the technical field of encoders, and particularly relates to a photoelectric security encoder.

Background

An encoder is a device that compiles, converts, and formats signals (e.g., bitstreams) or data into a form of signals that can be communicated, transmitted, and stored. Encoders convert angular or linear displacements, called codewheels, into electrical signals, called coderulers. The encoder can be divided into a contact type and a non-contact type according to a reading mode; encoders can be classified into an incremental type and an absolute type according to their operation principles. The incremental encoder converts displacement into periodic electrical signals, and then converts the electrical signals into counting pulses, and the number of the pulses is used for expressing the magnitude of the displacement. Each position of the absolute encoder corresponds to a certain digital code, so that its representation is only dependent on the start and end positions of the measurement, and not on the intermediate course of the measurement. Traditional encoder is when using, and the assembly stability is not enough, and encoder casing is not firm with being connected the flange dish connection simultaneously, and the poor problem of sealing performance between bearing housing and the output shaft.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a photoelectric security encoder which has the characteristics that an encoder shell is firmly connected with a connecting flange plate, and the sealing performance between a bearing sleeve and an output shaft is good.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a photoelectric type security encoder, includes the encoder casing, installs first flange dish and the second flange dish at encoder casing both ends to and set up the encoder subassembly in encoder casing inside, and the output shaft of being connected with the encoder subassembly, weld the bearing housing at second flange dish middle part, and the bearing housing cover is in the outside of output shaft, all be provided with coupling assembling between encoder casing and the first flange dish and between encoder casing and the second flange dish, be provided with the bearing between bearing housing and the output shaft, and the both sides of bearing are provided with seal assembly.

The photoelectric type security encoder comprises a first connecting flange plate, a second connecting flange plate, a compression spring, a positioning block and positioning grooves, wherein the first connecting flange plate and the second connecting flange plate are integrally formed on the surfaces of the first connecting flange plate and the second connecting flange plate, the compression spring is installed in a groove formed in the insertion ring, the positioning block is movably installed in the groove formed in the insertion ring through the compression spring, the positioning grooves are formed in the inner surfaces of two points of the encoder shell, and the end parts of the positioning blocks are inserted into the positioning grooves.

As a preferred technical solution of the photoelectric security encoder of the present invention, the connecting assembly further includes a first connecting flange and a second connecting flange, the first connecting flange and the second connecting flange have limiting grooves on their surfaces, and the end of the encoder housing is inserted into the limiting grooves.

As a preferred technical solution of the photoelectric security encoder of the present invention, the connecting assembly further includes a clamping groove formed at an end of the insert ring, and a clamping block integrally formed on an inner surface of the encoder housing and installed inside the clamping groove.

According to the preferred technical scheme of the photoelectric security encoder, the sealing assembly comprises a first sealing ring arranged on the inner surface of the bearing sleeve and a second sealing ring arranged on the outer surface of the output shaft, magnetic rings are arranged inside the first sealing ring and the second sealing ring, and magnetic poles of the two magnetic rings arranged at opposite positions of the first sealing ring and the second sealing ring are arranged in opposite directions.

As a preferable technical solution of the photoelectric type security encoder of the present invention, the connecting ring integrally formed with the outer ring of the first sealing ring is embedded in a groove formed on an inner surface of the bearing sleeve, and the connecting ring integrally formed with the inner ring of the second sealing ring is embedded in a groove formed on an outer surface of the output shaft.

As a preferable technical solution of the photoelectric security encoder of the present invention, an arc-shaped cavity is disposed at a position where the first sealing ring and the second sealing ring are opposite to each other.

Compared with the prior art, the utility model has the beneficial effects that:

1. install first flange and the second flange plate of connecting at encoder casing both ends through coupling assembling, thereby the convenience at encoder casing both ends is installed to first flange plate and second flange plate has been increased, the encoder casing of being convenient for, first flange plate and second flange plate protect the inside encoder subassembly that sets up, bearing housing and output shaft are located the seal assembly that the bearing both sides set up simultaneously, be convenient for seal between bearing housing and the output shaft, thereby the seal performance of encoder has been increased.

2. Through a positioning component consisting of an insert ring, a compression spring, a positioning block and a positioning groove, and the positioning block is movably arranged in the groove formed on the insert ring through the compression spring, and the surfaces of the first connecting flange disc and the second connecting flange disc are respectively welded with an insert ring, so that when the first connecting flange disc and the second connecting flange disc are arranged at the two ends of the encoder shell, the positioning block is arranged in the positioning groove, thereby improving the connection stability of the encoder shell, the first connecting flange plate and the second connecting flange plate, meanwhile, two ends of the encoder shell are inserted into the limiting grooves formed on the surfaces of the first connecting flange plate and the second connecting flange plate, and the joint piece of encoder casing internal surface integrated into one piece installs in the joint inslot that insert the ring tip and offer, has improved the firm nature that encoder casing both ends and first flange dish and second flange dish are connected.

3. Through the seal assembly who comprises first sealing ring and second sealing ring, the inslot that the interior surface was seted up through outer lane integrated into one piece's go-between embedding bearing housing to first sealing ring simultaneously, the inslot that the output shaft surface was seted up is embedded through inner circle integrated into one piece's go-between to the second sealing ring, be convenient for carry on spacingly to first sealing ring and second sealing ring, two magnetic ring magnetic poles that first sealing ring and the inside setting of second sealing ring are reverse simultaneously set up, the stability of first sealing ring and the contact of second sealing ring has been increased, the arc chamber that forms between first sealing ring and the second sealing ring simultaneously, the arc intracavity of being convenient for is filled lubricating oil and is lubricated the junction of first sealing ring and second sealing ring.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of a connection structure of a bearing housing and an output shaft according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

in the figure: 1. an encoder housing; 2. a first connecting flange; 3. a second connecting flange; 4. a bearing housing; 5. an output shaft; 6. inserting a ring; 7. a limiting groove; 8. a compression spring; 9. positioning blocks; 10. positioning a groove; 11. a clamping groove; 12. a clamping block; 13. a bearing; 14. a first seal ring; 15. a second seal ring; 16. a magnetic ring; 17. and (7) connecting rings.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a photoelectric type security encoder, including encoder casing 1, install first flange dish 2 and second flange dish 3 at 1 both ends of encoder casing, and set up the encoder subassembly at 1 inside of encoder casing, and the output shaft 5 of being connected with the encoder subassembly, the bearing housing 4 at 3 middle parts of second flange dish is welded, and bearing housing 4 covers the outside at output shaft 5, all be provided with coupling assembling between encoder casing 1 and the first flange dish 2 and between encoder casing 1 and the second flange dish 3, be provided with bearing 13 between bearing housing 4 and the output shaft 5, and bearing 13's both sides are provided with seal assembly.

In this embodiment, install first flange dish 2 and second flange dish 3 at 1 both ends of encoder casing through coupling assembling, thereby the convenience at 1 both ends of encoder casing has been installed to first flange dish 2 and second flange dish 3 has been increased, be convenient for encoder casing 1, the encoder subassembly of inside setting is protected to first flange dish 2 and second flange dish 3, bearing housing 4 and output shaft 5 are located the seal assembly that bearing 13 both sides set up simultaneously, be convenient for seal between bearing housing 4 and the output shaft 5, thereby the sealing performance of encoder has been increased.

Concretely, coupling assembling includes

first flange dish

2 and 3 surperficial integrated into one piece's of second flange dish insert ring 6, insert ring 6 and offer the compression spring 8 of inslot installation, offer the locating piece 9 of inslot through compression spring 8 movable mounting at insert ring 6, and the constant head tank 10 that the many internal surfaces of 1 two points of encoder casing were offered, and the tip of locating piece 9 inserts the inside of constant head tank 10, coupling assembling still includes spacing groove 7 that

first flange dish

2 and 3 surperficial setings of second flange dish, and the inside of spacing groove 7 is inserted to the tip of encoder casing 1, coupling assembling still includes the joint groove 11 that the tip of inserting ring 6 was offered, 1 internal surface integrated into one piece's of encoder casing joint piece 12, and joint piece 12 installs the inside at joint groove 11.

In this embodiment, through inserting the ring 6, compression spring 8, the locating component that locating piece 9 and constant head tank 10 are constituteed, locating piece 9 passes through compression spring 8 movable mounting and is inserting the inslot that ring 6 was seted up, and the welding has respectively to insert ring 6 on the surface of first flange dish 2 and second flange dish 3, be convenient for first flange dish 2 and second flange dish 3 install when encoder casing 1 both ends, locating piece 9 is installed in the inside of constant head tank 10, thereby encoder casing 1, the stability that first flange dish 2 and second flange dish 3 are connected has been improved, the spacing inslot 7 that first flange dish 2 and second flange dish 3 surface were seted up is inserted to the both ends of encoder casing 1 simultaneously, and the joint piece 12 of encoder casing 1 internal surface integrated into one piece installs in the joint inslot 11 that insert ring 6 tip was seted up, the firm nature of encoder casing 1 both ends and first flange dish 2 and second flange dish 3 connection has been improved.

Specifically, the sealing assembly comprises a first sealing ring 14 arranged on the inner surface of the bearing sleeve 4 and a second sealing ring 15 arranged on the outer surface of the output shaft 5, magnetic rings 16 are arranged inside the first sealing ring 14 and the second sealing ring 15, two magnetic rings 16 arranged at opposite positions of the first sealing ring 14 and the second sealing ring 15 are arranged in opposite directions, a connecting ring 17 integrally formed on the outer ring of the first sealing ring 14 is embedded into a groove formed on the inner surface of the bearing sleeve 4, and a connecting ring 17 integrally formed on the inner ring of the second sealing ring 15 is embedded into a groove formed on the outer surface of the output shaft 5.

In this embodiment, through the seal assembly who comprises first sealing ring 14 and second sealing ring 15, first sealing ring 14 imbeds the inslot that the internal surface was seted up through outer lane integrated into one piece's go-between 17 simultaneously, second sealing ring 15 imbeds the inslot that the external surface was seted up of output shaft 5 through inner circle integrated into one piece's go-between 17, be convenient for carry on spacingly to first sealing ring 14 and second sealing ring 15, two magnetic ring 16 magnetic poles that first sealing ring 14 and the inside setting of second sealing ring 15 are reverse simultaneously set up, the stability of first sealing ring 14 and the contact of second sealing ring 15 has been increased, the arc chamber that forms between first sealing ring 14 and the second sealing ring 15 simultaneously, it lubricates the junction of first sealing ring 14 and second sealing ring 15 to be convenient for pack lubricating oil in the arc chamber.

The working principle and the using process of the utility model are as follows: during the installation, output shaft 5 to be connected with the encoder subassembly passes through bearing 13 and installs the inside at bearing housing 4, first sealing ring 14 and the 15 contacts of second sealing ring this moment, the encoder unit mount is in the inside of encoder casing 1, and install the both ends at encoder casing 1 first flange dish 2 and second flange dish 3, insert simultaneously ring 6 and insert in encoder casing 1, make the tip of encoder casing 1 insert in spacing groove 7, locating piece 9 installs the inside at constant head tank 10, joint piece 12 installs the inside at joint groove 11 simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a photoelectric type security encoder, includes encoder casing (1), install first flange dish (2) and second flange dish (3) of connecting at encoder casing (1) both ends to and set up the inside encoder subassembly in encoder casing (1), and output shaft (5) of being connected with the encoder subassembly, the welding is at bearing housing (4) at second flange dish (3) middle part, and bearing housing (4) cover is in the outside of output shaft (5), its characterized in that: all be provided with coupling assembling between encoder casing (1) and first connecting flange dish (2) and between encoder casing (1) and second connecting flange dish (3), be provided with bearing (13) between bearing housing (4) and output shaft (5), and the both sides of bearing (13) are provided with seal assembly.

2. The photoelectric security encoder according to claim 1, wherein: the connecting assembly comprises an inserting ring (6) which is formed by integrally forming the surfaces of a first connecting flange plate (2) and a second connecting flange plate (3), wherein the inserting ring (6) is provided with a compression spring (8) which is arranged in a groove, a positioning block (9) which is arranged in the groove is arranged on the inserting ring (6) through the compression spring (8) in a movable mode, positioning grooves (10) which are formed in two points of the inner surface of the encoder shell (1) are formed, and the end portions of the positioning blocks (9) are inserted into the positioning grooves (10).

3. The photoelectric security encoder according to claim 2, wherein: the connecting assembly further comprises a limiting groove (7) formed in the surfaces of the first connecting flange plate (2) and the second connecting flange plate (3), and the end portion of the encoder shell (1) is inserted into the limiting groove (7).

4. An electro-optical security encoder according to claim 3, wherein: coupling assembling still includes joint groove (11) that insert ring (6) tip was seted up, encoder casing (1) internal surface integrated into one piece's joint piece (12), and the inside at joint groove (11) is installed in joint piece (12).

5. The photoelectric security encoder according to claim 1, wherein: the sealing assembly comprises a first sealing ring (14) arranged on the inner surface of the bearing sleeve (4) and a second sealing ring (15) arranged on the outer surface of the output shaft (5), magnetic rings (16) are arranged inside the first sealing ring (14) and the second sealing ring (15), and the magnetic poles of the two magnetic rings (16) arranged at the opposite positions of the first sealing ring (14) and the second sealing ring (15) are arranged in opposite directions.

6. The photoelectric security encoder according to claim 5, wherein: the outer ring of the first sealing ring (14) is integrally formed into a connecting ring (17) which is embedded into a groove formed in the inner surface of the bearing sleeve (4), and the inner ring of the second sealing ring (15) is integrally formed into a connecting ring (17) which is embedded into a groove formed in the outer surface of the output shaft (5).