CN210036762U

CN210036762U - Ultrathin encoder with switch

Info

Publication number: CN210036762U
Application number: CN201921127599.XU
Authority: CN
Inventors: 李军; 蔡春贤
Original assignee: Dongguan Shun You Electronics Co Ltd
Current assignee: Dongguan Shun You Electronics Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-02-07
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a super thin type band switch encoder, including support, axle center, spacer, undulant dish, brush 5, switch piece and body, the support includes support fixed plate, axle center grafting groove post and side latch baffle, wherein the through-hole has been seted up on the support fixed plate, the through-hole top installation is fixed with axle center grafting groove post, install supporting fixed plate's both sides face side latch baffle, the axle center comprises axle center top groove post and axle center locking bottom prop, axle center top groove post is pegged graft inside the axle center grafting groove post, undulant dish includes disk body and axle center grafting convex groove post, the outside of axle center grafting convex groove post has been cup jointed the spacer. Has the advantages that: the product is thin and is only 3.5mm in design, the problem of space limitation of a client product is solved, the rotating hand feeling is smooth, the positioning points are clear and obvious, the signal output is stable, and the precision is high.

Description

Ultrathin encoder with switch

Technical Field

The utility model relates to an encoder field especially relates to a super thin type area switch encoder.

Background

The encoder is equipment which compiles and converts signals or data into a signal form which can be used for communication, transmission and storage, converts angular displacement or linear displacement into an electric signal, wherein the former is called a code disc, the latter is called a code ruler, and the encoder can be divided into a contact type and a non-contact type according to a reading mode; the encoder can be divided into an incremental type and an absolute type according to the working principle, wherein the incremental encoder converts displacement into a periodic electric signal, then converts the electric signal into counting pulses, and expresses the size of the displacement by the number of the pulses. Each position of the absolute encoder corresponds to a determined digital code, so that the indication value of the absolute encoder is only related to the starting position and the ending position of measurement and is not related to the middle process of measurement.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide an ultra-thin type band switch encoder for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

an ultra-thin encoder with a switch comprises a bracket, an axle center, a positioning sheet, a wave-driving disc, a brush, a switch sheet and a body, wherein the bracket comprises a bracket fixing plate, an axle center inserting groove column and a side latch baffle plate, wherein the bracket fixing plate is provided with a through hole, the axle center inserting groove column is fixedly arranged above the through hole, the side latch partition plates are arranged on the two side surfaces of the supporting and fixing plate, the axis consists of an axis top groove column and an axis locking bottom column, the axis top groove column is inserted into the axis inserting groove column, the fluctuation disc comprises a disc body and an axis inserting convex groove column, the positioning sheet is sleeved on the outer side of the axis splicing convex groove column, the axis top groove column is spliced inside the axis splicing convex groove column, the bottom of the wave plate is provided with the brush, the brush is installed on the body, and the switch sheet is further installed on the body.

In order to further improve the performance of ultra-thin type tape switch encoder, the body includes that body dish, body extend terminal, big ring annular and little circle groove, the body is coiled the embedded sheetmetal of establishing, body dish is two then outwards extend the terminal in opposite directions and does the body extends the terminal, and wherein one side is extended to have two terminals to be the switch terminal, and the opposite side extends to have three terminal to be signal terminal, the higher authority of body dish is drawn and is equipped with the recess, the recess includes the inner circle the little circle groove with encircle the little circle groove big ring annular.

In order to further improve the performance of the ultrathin encoder with the switch, three small riveting columns are arranged on the bottom surface of the fluctuation disc, and the small riveting columns are assembled and installed with riveting points on the brush.

In order to further improve the performance of the ultrathin type belt switch encoder, a chamfer convex block is arranged on the axis top groove column and used for being clamped inside the axis inserting convex groove column in a limiting and sliding-preventing mode.

In order to further improve the performance of the ultrathin type belt switch encoder, the upper surface of the disc body is provided with positioning teeth, and the tooth edges of the positioning teeth are provided with chamfers which are used for being matched with the positioning pieces to generate smoother and clearer feeling of fixation.

In order to further improve the performance of the ultrathin type belt switch encoder, the brush teeth of the brush are clamped on the clamping teeth inside the large ring groove, and the switch piece is installed in the small ring groove.

In order to further improve the performance of the ultrathin type band switch encoder, the thickness of the body is 3.0-3.8mm, the width is 11-12mm, and the length is 12-13mm, so that the encoder is ultrathin overall.

In the structure, the axle center is vertically pressed down, the two terminals of the switch are connected, the switch is naturally restored to be disconnected by loosening, the axle center of the product is rotated, the axle center drives the fluctuation disc to rotate, the tooth surface of the fluctuation disc is contacted with the wrapping point of the positioning plate to generate positioning feeling, and meanwhile, the brushes on the fluctuation disc are contacted with the body, so that phase difference is generated according to the connection sequence of the left brushes and the right brushes.

Has the advantages that: the product is thin and is only 3.5mm in design, the problem of space limitation of a client product is solved, the rotating hand feeling is smooth, the positioning points are clear and obvious, the signal output is stable, and the precision is high.

Drawings

FIG. 1 is an exploded view of an ultra-thin band switch encoder according to the present invention;

fig. 2 is an overall structural view of an ultra-thin type band switch encoder according to the present invention;

fig. 3 is an enlarged view of a support of an ultra-thin type band switch encoder according to the present invention;

FIG. 4 is an enlarged view of the axis of an ultra-thin band switch encoder according to the present invention;

FIG. 5 is an enlarged view of a wobble plate of an ultra-thin band switch encoder according to the present invention;

fig. 6 is an enlarged view of the body of the ultra-thin type band switch encoder of the present invention.

The reference numerals are explained below:

1. the device comprises a bracket, 101, a bracket fixing plate, 102, an axis inserting groove column, 103 and a side latch partition plate; 2. an axis 201, an axis top groove column 202 and an axis locking bottom column; 3. positioning plates; 4. the undulation disc 401, the disc body 402 and the axis are inserted with the convex groove column; 5. a brush; 6. a switch sheet; 7. the body comprises a body 701, a body disc 702, a body extending terminal 703, a large ring groove 704 and a small ring groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-6, an ultra-thin belt switch encoder comprises a support 1, an axis 2, a positioning plate 3, a wave plate 4, a brush 5, a switch plate 6 and a body 7, wherein the support 1 comprises a support fixing plate 101, an axis inserting groove column 102 and a side latch baffle 103, wherein the support fixing plate 101 is provided with a through hole, the axis inserting groove column 102 is fixedly arranged above the through hole, the side latch baffle 103 is arranged on two side surfaces of the support fixing plate 101, the axis 2 is composed of an axis top groove column 201 and an axis locking bottom column 202, the axis top groove column 201 is inserted into the axis inserting groove column 102, the wave plate 4 comprises a plate body 401 and an axis inserting groove column 402, the positioning plate 3 is sleeved on the outer side of the axis inserting groove column 402, the axis top groove column 201 is inserted into the axis inserting groove column 402, the brush 5 is arranged at the bottom of the wave plate 4, the brush 5 is arranged on the body 7, the body 7 is also provided with a switch sheet 6.

In order to further improve the performance of the ultrathin type belt switch encoder, the body 7 comprises a body disc 701, a body extension terminal 702, a large ring groove 703 and a small ring groove 704, a metal sheet is embedded in the body disc 701, the two opposite outward extension terminals of the body disc 701 are the body extension terminals 702, one side of the body disc 701 extends to form two terminals as switch terminals, the other side of the body disc 701 extends to form three terminals as signal terminals, a groove is dug in the body disc 701 and comprises the small ring groove 704 of the inner ring and the large ring groove 703 surrounding the small ring groove 704, three small riveting columns are arranged on the bottom surface of the fluctuation disc 4, the small riveting columns are assembled and installed with riveting points on the brush 5, a chamfer convex block is arranged on the top groove column 201 of the axis and used for being clamped in the axis inserting convex groove column 402 for limiting and avoiding sliding, a positioning tooth is arranged on the upper surface of the body 401, a chamfer is arranged on the tooth edge of the positioning tooth and used for being matched with the positioning sheet 3 to, the teeth of the brush 5 are clamped to the teeth inside the large ring groove 703, and the switch plate 6 is installed inside the small ring groove 704.

The tooth piece on the side latch partition plate 103 is used for bending the bottom of the latch body 7 after assembly, except for the axis 2, the volume of the encoder is mainly limited by the body 7, in the embodiment, the thickness of the body 7 is 3.0-4.0mm, the width is 11-12mm, and the length is 12-13mm, so that the encoder is overall ultra-thin.

In the structure, the shaft center 2 is vertically pressed down, two terminals of the switch are switched on, the product is naturally switched off after being loosened, the shaft center 2 of the product is rotated, the shaft center 2 drives the fluctuation disc 4 to rotate, the tooth surface of the fluctuation disc 4 is in contact with the wrapping point of the positioning sheet to generate a positioning feeling, and meanwhile, the brush 5 on the fluctuation disc 4 is in contact with the body 7, so that a phase difference is generated according to the switching-on sequence of the left brush and the right brush.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ultra-thin type band switch encoder, characterized in that: including support, axle center, spacer, undulant dish, brush, switch piece and body, the support includes support fixed plate, axle center grafting groove post and side latch baffle, wherein the through-hole has been seted up on the support fixed plate, the installation of through-hole top is fixed with axle center grafting groove post, the both sides face of support fixed plate is installed side latch baffle, the axle center comprises axle center top groove post and axle center locking bottom pillar, axle center top groove post is pegged graft inside the axle center grafting groove post, undulant dish includes disk body and axle center grafting convex groove post, the outside of axle center grafting convex groove post has been cup jointed the spacer, axle center top groove post is pegged graft inside the axle center grafting convex groove post, undulant dish bottom is equipped with the brush, the brush is installed on the body, still install on the body the switch piece.

2. An ultra-thin type band switch encoder according to claim 1, wherein: the body includes that body dish, body extend terminal, big ring annular and little ring groove, the body dish embeds establishes the sheetmetal, body dish two then outside extend the terminal in opposite directions do the body extends the section son, and wherein one side is extended to have two terminals to be the switch terminal, and the opposite side is extended to have three terminal to be the signal terminal, the higher authority of body dish is drawn and is equipped with the recess, the recess includes the inner circle the little ring groove with encircle the little ring groove big ring groove.

3. An ultra-thin type band switch encoder according to claim 1, wherein: the thickness of the body is 3.0-3.8mm, the width is 11-12mm, and the length is 12-13mm, so that the encoder is ultrathin overall.

4. An ultra-thin type band switch encoder according to claim 1, wherein: the bottom surface of the fluctuation disc is provided with three small riveting columns, and the small riveting columns are assembled and installed with the riveting points on the brush.

5. An ultra-thin type band switch encoder according to claim 1, wherein: the shaft center top groove column is provided with a chamfer lug which is used for being clamped inside the shaft center inserting groove column in a limiting and sliding-preventing mode.

6. An ultra-thin type band switch encoder according to claim 2, wherein: the upper surface of disk body is provided with the location tooth, the tooth limit of location tooth be provided with the chamfer be used for with the spacer cooperation produces more smooth clear feeling of deciding.

7. An ultra-thin type band switch encoder according to claim 2, wherein: the brush teeth of the brush are clamped to the clamping teeth inside the large ring groove, and the switch piece is installed in the small ring groove.