CN216348718U

CN216348718U - Double-output encoder

Info

Publication number: CN216348718U
Application number: CN202123019148.4U
Authority: CN
Inventors: 赵银龙; 赵云; 王峰; 李志江; 董伟; 马宛彤
Original assignee: Changchun Shunwei Technology Co ltd
Current assignee: Changchun Shunwei Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-19
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to the technical field of encoders, in particular to a dual-output encoder which solves the problem that an encoder in the prior art can only output a single signal. The utility model provides a dual output encoder, which comprises an outer shell, the end cover is installed to one side of shell, be provided with the main shaft in the shell, the main shaft runs through the end cover and all rotates with end cover and shell to be connected, the inboard of shell is provided with the circuit board, the circuit board is the loop configuration, the inboard fixedly connected with inner ring cover and the outside fixedly connected with outer ring cover of circuit board, outer ring cover is connected with the shell through a plurality of groups matched with cassette and fixture block, the both sides of circuit board are provided with first code wheel and second code wheel respectively, first code wheel is connected with the main shaft through first mount, the second code wheel passes through the second mount and is connected with the main shaft. According to the utility model, by designing the double magnetic rings and the matched reading head, the function of simultaneously outputting double signals by a single encoder is realized, and the convenience in installation and use of the encoder is improved.

Description

Double-output encoder

Technical Field

The utility model relates to the technical field of encoders, in particular to a dual-output encoder.

Background

The encoder is a device for detecting, converting, transmitting and storing signals, and the encoders on the market comprise three major types, namely a photoelectric type, a magnetoelectric type and a capacitance type, wherein the magnetoelectric type encoder has obvious advantages in the aspects of anti-interference capability and response speed, so the magnetoelectric type encoder is widely applied to various complex environments.

However, the existing encoder can only output a single type signal, and in various mechanical devices and emerging robots, the rotating speed and displacement of a component are generally required to be detected and controlled by the encoder, at the moment, a plurality of encoders must be installed to meet the use requirements, and due to the limited installation space, the size limitation of the encoder is more strict, so that the use cost and the installation difficulty of the encoder are increased, and aiming at the problem, a dual-output encoder can be provided, the function of outputting two types of signals by the single encoder is realized, and the practicability of the encoder is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dual-output encoder, which solves the problem that an encoder in the prior art can only output a single signal.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a double-output encoder comprises a shell, wherein an end cover is installed on one side of the shell, a main shaft is arranged in the shell, the main shaft penetrates through the end cover and is rotatably connected with the end cover and the shell, a circuit board is arranged on the inner side of the shell and is of an annular structure, an inner ring sleeve is fixedly connected to the inner side of the circuit board, an outer ring sleeve is fixedly connected to the outer side of the circuit board, the outer ring sleeve is connected with the shell through a plurality of groups of matched clamping seats and clamping blocks, a first coded disc and a second coded disc are respectively arranged on two sides of the circuit board, the first coded disc is connected with the main shaft through a first fixing frame, the second coded disc is connected with the main shaft through a second fixing frame, and two reading heads which are respectively matched with the first coded disc and the second coded disc are installed on the outer side of the circuit board;

the first fixing frame comprises an outer supporting ring and an inner supporting ring, the inner supporting ring is fixedly connected with the main shaft, a plurality of grooves distributed in an annular array are formed in the outer supporting ring and the inner supporting ring, limiting blocks are installed in the grooves in a rotating mode through torsion springs and are of an L-shaped structure, and the second fixing frame and the first fixing frame are identical in structure.

Preferably, a plurality of balls distributed in an annular array are movably embedded in the outer side surface wall of the outer support ring and the inner side surface wall of the inner ring sleeve, springs are arranged in the mounting grooves of the balls, the balls are elastically and movably connected through the springs, and ring grooves matched with the balls are formed in the surface walls of the outer shell and the main shaft.

Preferably, all the clamping seats are distributed on the outer side of the outer ring sleeve in an annular array mode, mounting grooves in one-to-one correspondence with the clamping seats are formed in the shell, the clamping seats are connected with the shell in an elastic sliding mode through springs in the mounting grooves, and a plurality of clamping blocks in one-to-one correspondence with the clamping seats are fixedly connected to the outer wall of the outer ring sleeve.

Preferably, one end of the clamping seat close to the outer ring sleeve is of a triangular table-shaped structure.

Preferably, two elastic snap rings are arranged between the outer support ring and the inner support ring, and the inner parts of the outer support ring, the inner support ring and the limiting block are provided with clamping grooves matched with the elastic snap rings.

Preferably, the horizontal spacing between the first code wheel and the circuit board is equal to that between the second code wheel and the circuit board.

The utility model has at least the following beneficial effects:

when the encoder works, the main shaft can drive the first coded disc and the second coded disc to rotate, so that the two reading heads can read double numerical values by matching with the corresponding coded discs and output the double numerical values after being processed by the circuit board, the effect of monitoring the rotating speed and the displacement simultaneously is realized, and the practicability of the encoder is effectively improved.

The utility model also has the following beneficial effects:

the elastic snap ring is matched with the clamping block, so that the connection stability of the first coded disc and the second coded disc can be improved, the first coded disc and the second coded disc can be prevented from being displaced or falling off in the rotating process, and the running stability of the encoder is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments 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 some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a schematic side view of a first fixing frame, a first coded disc and a limiting block;

FIG. 3 is an enlarged partial cross-sectional view of the present invention.

In the figure: 1. a housing; 2. an end cap; 3. a first fixing frame; 4. a second fixing frame; 5. a reading head; 6. an outer support ring; 7. an inner support ring; 8. a groove; 9. a limiting block; 10. a first code wheel; 11. a second code wheel; 12. a ball bearing; 13. an inner ring sleeve; 14. an outer ring sleeve; 15. a card holder; 16. a clamping block; 17. an elastic snap ring; 18. a circuit board; 19. a main shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-3, a dual-output encoder comprises a housing 1, wherein an end cover 2 is installed on one side of the housing 1, a main shaft 19 is arranged in the housing 1, the main shaft 19 penetrates through the end cover 2 and is rotatably connected with the end cover 2 and the housing 1, a circuit board 18 is arranged on the inner side of the housing 1, the circuit board 18 is of an annular structure, an inner ring sleeve 13 is fixedly connected on the inner side of the circuit board 18, an outer ring sleeve 14 is fixedly connected on the outer side of the circuit board 18, the outer ring sleeve 14 is connected with the housing 1 through a plurality of groups of matched clamping seats 15 and clamping blocks 16, a first code disc 10 and a second code disc 11 are respectively arranged on two sides of the circuit board 18, the first code disc 10 is connected with the main shaft 19 through a first fixing frame 3, the second code disc 11 is connected with the main shaft 19 through a second fixing frame 4, and two reading heads 5 which are respectively matched with the first code disc 10 and the second code disc 11 are installed on the outer side of the circuit board 18;

the first fixing frame 3 comprises an outer supporting ring 6 and an inner supporting ring 7, the inner supporting ring 7 is fixedly connected with a main shaft 19, a plurality of grooves 8 distributed in an annular array are formed in the outer supporting ring 6 and the inner supporting ring 7, a limiting block 9 is installed in each groove 8 in a rotating mode through a torsion spring, the limiting block 9 is of an L-shaped structure, and the second fixing frame 4 is identical to the first fixing frame 3 in structure.

The scheme has the following working processes:

when the encoder works, the main shaft 19 can drive the first fixing frame 3 and the second fixing frame 4 to rotate, so as to drive the first code disc 10 and the second code disc 11 to rotate, the corresponding reading head 5 can read numerical values on the first code disc 10 and the second code disc 11 in the process, and double signals can be output after the processing of the circuit board 18.

According to the working process, the following steps are known:

this encoder has realized reading and the conversion of two sets of data simultaneously through the cooperation of two sets of code disks and reading head 5 to realized that single encoder output removes the function of dual signal, promoted the practicality of encoder.

Further, the balls 12 that are distributed in an annular array are embedded in the outer side surface wall of the outer support ring 6 and the inner side surface wall of the inner ring sleeve 13 in a movable manner, springs are arranged in the installation grooves of the balls 12, the balls 12 are connected through elastic springs in a movable manner, ring grooves matched with the balls 12 are formed in the surface walls of the shell 1 and the spindle 19, the balls 12 can improve the stability of the first fixing frame 3 and the inner ring sleeve 13 under the condition that the relative rotation between the first fixing frame 3 and the shell 1 and between the inner ring sleeve 13 and the spindle 19 is not interfered, and the positioning is convenient to install.

Furthermore, all the clamping seats 15 are distributed on the outer side of the outer ring sleeve 14 in an annular array manner, mounting grooves corresponding to the clamping seats 15 one to one are formed in the shell 1, the clamping seats 15 are connected with the shell 1 in an elastic sliding manner through springs in the mounting grooves, a plurality of clamping blocks 16 corresponding to the clamping seats 15 one to one are fixedly connected to the outer wall of the outer ring sleeve 14, and the clamping seats 15 are matched with the clamping blocks 16 to play a role in supporting and fixing the outer ring sleeve 14 and are convenient to detach.

Furthermore, one end of the clamping seat 15 close to the outer ring sleeve 14 is in a triangular table structure, so that when the encoder is assembled or disassembled, the clamping seat 15 can be squeezed open along the inclined surface of the clamping seat 15 by the second fixing frame 4.

Furthermore, two elastic snap rings 17 are arranged between the outer support ring 6 and the inner support ring 7, clamping grooves matched with the elastic snap rings 17 are formed in the outer support ring 6, the inner support ring 7 and the limiting blocks 9, the elastic snap rings 17 can fix the positions of the clamping blocks 16, the clamping blocks 16 can compress the code discs, and stability of the first code disc 10 and stability of the second code disc 11 are kept.

Further, the horizontal spacing between the first code disc 10 and the second code disc 11 and the circuit board 18 is equal, so that the two reading heads 5 can read values synchronously to realize synchronous output of two groups of signals.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A dual output encoder comprising a housing (1), characterized in that: the improved structure of the LED display screen is characterized in that an end cover (2) is installed on one side of a shell (1), a main shaft (19) is arranged in the shell (1), the main shaft (19) penetrates through the end cover (2) and is rotatably connected with the end cover (2) and the shell (1), a circuit board (18) is arranged on the inner side of the shell (1), the circuit board (18) is of an annular structure, an inner ring sleeve (13) is fixedly connected to the inner side of the circuit board (18), an outer ring sleeve (14) is fixedly connected to the outer side of the circuit board (18), the outer ring sleeve (14) is connected with the shell (1) through a plurality of groups of matched clamping seats (15) and clamping blocks (16), a first coded disc (10) and a second coded disc (11) are respectively arranged on two sides of the circuit board (18), the first coded disc (10) is connected with the main shaft (19) through a first fixing frame (3), and the second coded disc (11) is connected with the main shaft through a second fixing frame (4), two reading heads (5) which are respectively matched with the first coded disc (10) and the second coded disc (11) are arranged on the outer side of the circuit board (18);

first mount (3) are including outer support ring (6) and inner support ring (7), inner support ring (7) and main shaft (19) fixed connection, recess (8) that a plurality of is the annular array and distributes are all seted up to the inside of outer support ring (6) and inner support ring (7), install stopper (9) through torsion spring rotation in recess (8), stopper (9) are L shape structure, the structure of second mount (4) and first mount (3) is the same.

2. The dual output encoder of claim 1, wherein: the utility model discloses a bearing ring, including outer support ring (6), ball (12) that the annular array distributes are equipped with in the outside table wall of outer support ring (6) and the inboard table wall of interior snare (13) equal activity inlays in the installation groove of ball (12), ball (12) are through spring elasticity swing joint, all seted up in the table wall of shell (1) and main shaft (19) with ball (12) matched with annular.

3. The dual output encoder of claim 1, wherein: all cassette (15) are distributed in the outside of outer ring sleeve (14) in an annular array, the shell (1) is internally provided with a mounting groove corresponding to the cassette (15) one by one, and the cassette (15) is elastically and slidably connected with the shell (1) through a spring in the mounting groove, and the outer wall of the outer ring sleeve (14) is fixedly connected with a plurality of clamping blocks (16) corresponding to the cassette (15) one by one.

4. A dual output encoder according to claim 3, wherein: one end of the clamping seat (15) close to the outer ring sleeve (14) is of a triangular table-shaped structure.

5. The dual output encoder of claim 1, wherein: two elastic snap rings (17) are arranged between the outer support ring (6) and the inner support ring (7), and clamping grooves matched with the elastic snap rings (17) are formed in the outer support ring (6), the inner support ring (7) and the limiting block (9).

6. The dual output encoder of claim 1, wherein: the horizontal distances between the first coded disc (10), the second coded disc (11) and the circuit board (18) are equal.