CN212320744U - Encoder - Google Patents
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- CN212320744U CN212320744U CN202020835695.6U CN202020835695U CN212320744U CN 212320744 U CN212320744 U CN 212320744U CN 202020835695 U CN202020835695 U CN 202020835695U CN 212320744 U CN212320744 U CN 212320744U
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Abstract
The utility model discloses an encoder, which relates to the technical field of encoders, and realizes the complete isolation of a shaft and a circuit part of the encoder through a first groove and a second groove which are separated from each other; through installing a plurality of bearings epaxial, the jump ring card is behind the jump ring groove, places the spring between two adjacent bearings, holds the spring, stretches into the axle in the second recess, is the mounting groove on the spring reachs the second recess, and the spring can pop out, blocks in the mounting groove to fix the axle, reduce the interference, make things convenient for the dismouting maintenance. The first groove is internally provided with a stepped groove, and circuit boards with different sizes can be stably placed on corresponding steps through multiple steps, so that the circuit boards can be stably placed in the first groove and are suitable for circuit boards of various encoders; meanwhile, the inside of the first groove is sealed by adopting a filling agent, so that the encoder can adapt to an industrial environment with a complex environment.
Description
Technical Field
The utility model belongs to the technical field of the encoder, especially, relate to an encoder.
Background
The angle sensor is widely applied to the fields of automobiles, machinery, aviation, aerospace, navigation, industrial automation and the like. The contact angle sensor is mainly divided into a contact angle sensor and a non-contact angle sensor, and as the use time of the contact angle sensor increases, the contact angle sensor has the defects of mechanical abrasion, reduced precision, frequent maintenance, inconvenient maintenance, even replacement of new equipment and the like, so that the production cost is improved, the quality of the equipment is not guaranteed easily, and the non-contact angle sensor overcomes the defects. Common non-contact angle sensors are photoelectric and magneto-electric. The photoelectric type is higher in accuracy than the magnetoelectric type, but is not suitable for an industrial environment having a complicated environment because of its strict environmental requirements and poor shock resistance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an encoder to overcome the shortcoming that current encoder maintenance is inconvenient, be not suitable for the more complicated industrial environment of environment.
To achieve the above object, the present invention provides an encoder, including:
the front end and the rear end of the shell are respectively provided with a first groove and a second groove which are isolated from each other;
a circuit board placed in the first groove;
the cover plate is arranged on the first groove and can cover the first groove;
one end of the wiring is connected with the circuit board, and the other end of the wiring extends out of the shell;
the front end of the shaft is arranged in the second groove, the rear end of the shaft extends out of the shell, and a clamp spring groove is formed in the periphery of the shaft;
a magnet disposed at an end of the shaft proximate the first recess;
the clamp spring is arranged on the clamp spring groove, and the periphery of the clamp spring is clamped on the inner wall of the second groove;
the inner diameter of each bearing is matched with the outer diameter of the shaft, the outer diameter of each bearing is matched with the inner part of the corresponding second groove, the bearings are arranged on the shaft between the magnet and the clamp springs, at least two bearings are arranged, and the bearings are axially limited through the clamp springs and the magnet; and
the spring, it sets up between adjacent two the bearing, and set up on the periphery of axle, the second recess be equipped with spring assorted mounting groove, through holding the spring will the front end of axle stretches into the second recess, makes the spring card is established in the second recess to make the bearing install in the second recess.
Further, 2 bearings are arranged on a shaft between the magnet and the clamp spring groove.
Further, the size of the magnet is larger than the diameter of the shaft.
Furthermore, the cover plate is provided with a wire outlet, and the connecting wire extends out of the shell through the wire outlet.
Further, the inside of first recess is notch cuttype recess.
Further, the first groove comprises at least two layers of steps.
Further, the inside of the first groove is sealed by using a filler.
Further, the filler is a resin.
Further, the structure of the magnet and the shaft is set according to requirements.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the encoder provided by the utility model realizes the complete isolation of the shaft and the circuit part of the encoder through the mutually separated first groove and second groove; through installing a plurality of bearings epaxial, behind the jump ring groove through the jump ring card, place the spring between two adjacent bearings, press the spring, make the external diameter of spring be less than or equal to the external diameter of bearing, stretch into the second recess with the axle, be the mounting groove on the spring reachs the second recess, the spring can pop out, the card is in the mounting groove to fix the axle, reduce the interference, make things convenient for the dismouting maintenance.
2. In the encoder provided by the utility model, the first groove is internally provided with a stepped groove, and circuit boards with different sizes can be stably placed on corresponding steps through a plurality of layers of steps, so that the circuit boards are stably placed in the first groove and are suitable for circuit boards of various encoders; meanwhile, the inside of the first groove is sealed by adopting a filling agent, so that the encoder can adapt to an industrial environment with a complex environment.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an encoder of the present invention;
wherein: 1-shell, 2-cover plate, 3-wiring, 4-shaft, 5-magnet, 6-snap spring, 7-bearing, 8-spring, 9-mounting groove, 10-annular groove, 11-boss, 12-first groove, 13-second groove and 14-mounting hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the encoder provided by the present invention comprises: casing 1, circuit board, apron 2, wiring 3, axle 4, magnet 5, jump ring 6, bearing 7 and spring 8.
The front end of the shell 1 is provided with a first groove 12, the rear end is provided with a second groove 13, the first groove 12 and the second groove 13 are mutually isolated, in the embodiment, the second groove 13 is a circular hole and is a Y-shaped hole; the case 1 is cylindrical, and is not limited to cylindrical, and the present embodiment will be described with reference to the case 1 having a cylindrical shape; a boss 11 is arranged on the outer side of the rear end of the shell 1, and an annular groove 10 is arranged on the outer side of the shell 1 close to the boss 11; the shell 1 is made of aluminum alloy and is suitable for harsh industrial environment.
The circuit board is placed in the first recess 12;
the cover plate 2 is arranged on the first groove 12 and can cover the first groove 12;
one end of the wiring 3 is connected with the circuit board, and the other end extends out of the shell 1.
The front end of the shaft 4 is mounted in the second groove 13; the rear end of the shaft 4 is provided with a mounting hole 14 and extends out of the shell 1; the periphery of the shaft 4 is provided with a clamp spring groove, and the front section of the shaft 4 is not contacted with the first groove 12.
The jump ring 6 is installed on the jump ring groove, and the periphery card of jump ring 6 is established on the inner wall of second recess 13, and jump ring 6 is split retaining ring in this embodiment, adopts e type split retaining ring.
The inner diameter of the bearing 7 is matched with the outer diameter of the shaft 4, the outer diameter of the bearing 7 is matched with the inner part of the second groove 13, the bearing 7 is arranged on the shaft 4 between the magnet 5 and the clamp spring 6, at least two bearings 7 are arranged, the two bearings 7 with the same size are sequentially arranged on the shaft 4 between the magnet 5 and the clamp spring 6, the bearing 7 is limited in the shaft 4 direction through the clamp spring 6 and the magnet 5, and the clamp spring 6 is arranged on the clamp spring groove and can be disassembled, so that the bearing 7 is convenient to disassemble and assemble; the bearing 7 is a stainless steel bearing;
the spring 8 is arranged between the two adjacent bearings 7 and arranged on the periphery of the shaft 4, the second groove 13 is provided with a mounting groove 9 matched with the spring 8, the front end of the shaft 4 extends into the second groove 13 by pressing the spring 8, when the shaft 4 extends into a certain position, namely the spring 8 reaches the mounting groove 9, the spring 8 can pop up and is clamped in the mounting groove 9, so that the bearings 7 are mounted in the second groove 13, the bearings 7 are prevented from being excessively matched, and the mounting is convenient; while the circlip 6 is close to the opening of the second groove 13. The spring 8 is a C-shaped single-coil spring and the like, and the size of the spring 8 is matched with the shaft 4 and the mounting groove 9.
With continued reference to fig. 1, the configuration of the magnet 5 and shaft 4 are arranged as desired. The magnet 5 is directly mounted at one end of the shaft 4 or mounted through other structures; for example: the end part of the shaft 4 close to the first groove 12 is provided with a magnetic seat mounting shaft 4; when the magnet mounting seat and the shaft 4 are of an integrated structure, a T-shaped rotating shaft is adopted, a groove is formed in the T-shaped end of the T-shaped rotating shaft, the magnet 5 is mounted in the groove, and the bearing 7 and the spring 8 are limited through the T-shaped end of the T-shaped rotating shaft and the clamp spring 6. When the magnet mounting seat and the shaft 4 are in a non-integrated structure, a magnet 5 with a diameter larger than that of the shaft 4 is arranged at one end of the shaft 4, so that the bearing 7 is limited by the magnet 5, namely the size of the magnet 5 is larger than that of the shaft 4; the magnet 5 is cylindrical, but is not limited to cylindrical, and the magnet 5 and the shaft 4 may be configured as needed.
With further reference to fig. 1, the inside of the first groove 12 is a stepped groove, the first groove 12 includes at least two steps, and the circuit boards of different sizes can be stably placed on the corresponding steps through the multiple steps, so as to be stably placed in the first groove 12. The size of the cover plate 2 is smaller than the opening of the first groove 12, the cover plate 2 is placed above the top step of the stepped groove, and the opening of the first groove 12 is provided with a corresponding cover plate 2 device groove, so that the cover plate 2 can be installed on the opening of the first groove 12. The notch cuttype recess is the circular arc groove of notch cuttype, and then corresponding apron 2 is circular apron, and this embodiment is total 3 grades of ladders, and the degree of depth of notch cuttype recess is from shallow to deep, and the centre of a circle of all circular arc grooves is all on the axle center of first recess 12. The cover plate 2 is provided with a wire outlet hole, and the connecting wire 3 extends out of the shell 1 through the wire outlet; the cover plate 2 is a plastic cover plate.
The first groove 12 is filled with a filler, which is resin.
Carry out the detailed description to the installation of the utility model discloses the encoder to make technical staff in the field more understand the utility model discloses:
a cylindrical shell 1 and a T-shaped shaft are adopted, a groove is arranged at one end of the T-shaped rotating shaft with larger size, and a mounting hole 14 is arranged at the other end of the T-shaped rotating shaft; a magnet 5 is arranged in the groove, two bearings 7 with the same size are arranged on the shaft 4, and a spring 8 is placed between the two bearings 7 after being clamped in the clamp spring groove through a clamp spring 6; the spring 8 is pressed, the outer diameter of the spring 8 is smaller than or equal to that of the bearing 7, the shaft 4 extends into the second groove 13, the spring 8 reaches the mounting groove 9 in the second groove 13, the spring 8 can be popped out and clamped in the mounting groove 9, and therefore the interference is reduced, and the mounting and dismounting are facilitated for the fixing shaft 4.
The circuit board that selects needs places the circuit board in first recess 12 to carry out the embedment through the resin, install apron 2 again, through the embedment, also can work in aqueous to the sealed effect of circuit board. Through the first groove 12 and the second groove 13 which are separated from each other, the shaft 4 of the encoder is completely isolated from a circuit part, and the encoder is suitable for industrial environments with complex environments.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or modifications within the technical scope of the present invention, and all should be covered by the scope of the present invention.
Claims (7)
1. An encoder, comprising:
the front end and the rear end of the shell are respectively provided with a first groove and a second groove which are isolated from each other;
a circuit board placed in the first groove;
the cover plate is arranged on the first groove and can cover the first groove;
one end of the wiring is connected with the circuit board, and the other end of the wiring extends out of the shell;
the method is characterized in that: further comprising:
the front end of the shaft is arranged in the second groove, the rear end of the shaft extends out of the shell, and a clamp spring groove is formed in the periphery of the shaft;
a magnet disposed at an end of the shaft proximate the first recess;
the clamp spring is arranged on the clamp spring groove, and the periphery of the clamp spring is clamped on the inner wall of the second groove;
the inner diameter of each bearing is matched with the outer diameter of the shaft, the outer diameter of each bearing is matched with the inner part of the corresponding second groove, the bearings are arranged on the shaft between the magnet and the clamp springs, at least two bearings are arranged, and the bearings are axially limited through the clamp springs and the magnet; and
the spring, it sets up between adjacent two the bearing, and set up on the periphery of axle, the second recess be equipped with spring assorted mounting groove, through holding the spring will the front end of axle stretches into the second recess, makes the spring card is established in the second recess to make the bearing install in the second recess.
2. The encoder of claim 1, wherein: and 2 bearings are arranged on a shaft between the magnet and the clamp spring groove.
3. The encoder of claim 1, wherein: the cover plate is provided with a wire outlet, and the connecting wire extends out of the shell through the wire outlet.
4. The encoder of claim 1, wherein: the interior of the first groove is a stepped groove.
5. The encoder of claim 4, wherein: the first groove comprises at least two layers of steps.
6. The encoder of claim 1, wherein: the interior of the first groove is sealed by a filler.
7. The encoder of claim 6, wherein: the filler is resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020835695.6U CN212320744U (en) | 2020-05-19 | 2020-05-19 | Encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020835695.6U CN212320744U (en) | 2020-05-19 | 2020-05-19 | Encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212320744U true CN212320744U (en) | 2021-01-08 |
Family
ID=74024200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020835695.6U Active CN212320744U (en) | 2020-05-19 | 2020-05-19 | Encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212320744U (en) |
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2020
- 2020-05-19 CN CN202020835695.6U patent/CN212320744U/en active Active
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