CN211178521U

CN211178521U - Encoder

Info

Publication number: CN211178521U
Application number: CN201922481458.4U
Authority: CN
Inventors: 洪金镳; 苏朝晖; 欧阳昌雄; 王东亮
Original assignee: GUANGDONG SHENGWEI ELECTRONIC PRODUCTS Ltd
Current assignee: GUANGDONG SHENGWEI ELECTRONIC PRODUCTS Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-04
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an encoder, which comprises a bottom plate, a printed circuit board assembly PCBA board, a base, a rotating shaft piece and a knob; the PCBA board is mounted on the bottom plate; the base is arranged on one surface of the PCBA board far away from the bottom plate; the rotating shaft piece is sleeved with the base; the knob is clamped with the rotating shaft piece; a photoelectric sensor is fixedly arranged on the PCBA; the rotating shaft piece also comprises a shading sheet; the shading sheet is connected with the photoelectric sensor in a sliding mode. The encoder has a simple structure and is easy to output signals by simplifying the structure of the encoder.

Description

Encoder

Technical Field

The utility model relates to a photoelectric encoder technical field especially relates to an encoder.

Background

The encoder, such as the hollow encoder, is the rotary encoder switch of the through shaft of the hollow shaft, its most characteristic is hollow, the hollow space can meet the demand for the multi-functionalization, is applied to the home appliances such as DVD player, acoustic apparatus, liquid crystal monitor, air conditioning apparatus, remote controller, microwave oven, toaster, washing machine, etc. extensively in vehicle acoustic air conditioner navigation, etc.

The traditional encoder generates signals when an electric brush is in contact with a hardware piece to rotate, and the structure has the advantages of complex production process, low efficiency, easy pollution and higher maintenance cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an encoder, simple structure, easily output signal.

To achieve the purpose, the utility model adopts the following technical proposal: providing an encoder, which comprises a bottom plate, a printed circuit board assembly PCBA board, a base, a rotating shaft piece and a knob; the PCBA board is mounted on the bottom plate; the base is arranged on one surface of the PCBA board far away from the bottom plate; the rotating shaft piece is sleeved with the base; the knob is clamped with the rotating shaft piece; a photoelectric sensor is fixedly arranged on the PCBA; the rotating shaft piece also comprises a shading sheet; the shading sheet is connected with the photoelectric sensor in a sliding mode.

Optionally, a groove is arranged in the middle of the photoelectric sensor; the shading sheet is connected with the groove in a sliding mode.

Optionally, the number of the light shielding sheets is multiple; the plurality of light shielding sheets are arranged at equal intervals along the outer side of the rotating shaft piece.

Optionally, the base includes an annular side wall, and a shaft body extending vertically upwards is disposed in the middle of the base; an annular groove is formed between the shaft body and the annular side wall; a cavity for accommodating the photoelectric sensor is arranged on the annular side wall; the cavity is clamped with the photoelectric sensor; the rotating shaft part is sleeved with the shaft body; the light shielding sheet is connected with the annular groove in a sliding mode.

Optionally, a positioning piece is further arranged on the base; the positioning piece comprises a positioning spring and a positioning bud point; the positioning spring is fixedly arranged on the base; the bud point is arranged at one end of the positioning spring far away from the base; the positioning piece is connected with the rotating shaft piece; the number of the positioning pieces is two, and the two positioning pieces are respectively arranged in the annular groove of the base; the two positioning pieces are arranged on two sides of the shaft body along the diameter direction.

Optionally, the base and the rotating shaft member are fixed by a bracket; the bracket is sleeved outside the annular side wall; the bracket is buckled with the rotating shaft piece.

Optionally, the knob comprises an axis, and a convex clamping piece is arranged on the outer side of the axis; the rotating shaft piece is provided with a clamping interface; the joint spare with the joint interface joint on the pivot spare.

Optionally, one side that the knob kept away from the axle center is equipped with the display screen, the display screen with PCBA board electricity is connected.

Optionally, the knob is further provided with a decorative ring and an outer button; the outer knob is clamped on the outer side of the knob; the decorative ring is arranged between the knob and the outer knob.

Optionally, the side of the PCBA board is provided with a connector for connection with a target circuit.

The utility model has the advantages that: providing an encoder, which comprises a bottom plate, a printed circuit board assembly PCBA board, a base, a rotating shaft piece and a knob; the PCBA board is mounted on the bottom plate; the base is arranged on one surface of the PCBA board far away from the bottom plate; the rotating shaft piece is sleeved with the base; the knob is clamped with the rotating shaft piece; a photoelectric sensor is fixedly arranged on the PCBA; the rotating shaft piece also comprises a shading sheet; the shading sheet is connected with the photoelectric sensor in a sliding mode. The encoder has a simple structure and is easy to output signals by simplifying the structure of the encoder.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is an exploded view of an overall structure of an encoder according to an embodiment of the present invention;

Fig. 2 is a left side view of an overall structure of an encoder according to an embodiment of the present invention.

Fig. 3 is a right side view of the overall structure of an encoder according to an embodiment of the present invention.

In the figure: 1. PCBA board; 2. a base; 201. an annular sidewall; 202. a shaft body; 203. an annular groove; 204. a cavity; 3. a shaft member; 301. a shading sheet; 302. a card interface; 4. a knob; 401. an axis; 402. a clamping piece; 403. a display screen; 404. a decorative ring; 405. an outer button; 5. a photosensor; 501. a groove; 6. a positioning member; 601. a positioning spring; 602. positioning bud points; 7. a support; 8. a connector is provided.

Detailed Description

An embodiment of the utility model provides an encoder, simple structure, easily output signal.

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is an exploded view of an overall structure of an encoder according to an embodiment of the present invention, which is simple in structure and easy to output signals.

The embodiment of the utility model provides an adopt following technical scheme: an encoder includes a base plate (not shown), a Printed Circuit Board Assembly (PCBA Board) 1, a base 2, a shaft member 3, and a knob 4; the PCBA board 2 is arranged on the bottom plate; the base 2 is arranged on one side of the PCBA board 1, which is far away from the bottom plate; the rotating shaft piece 3 is sleeved with the base 2; the knob 4 is clamped with the rotating shaft piece 3; a photoelectric sensor 5 is fixedly arranged on the PCBA board 1; the rotating shaft piece 3 further comprises a light shielding sheet 301; the light shielding sheet 301 is slidably connected to the photosensor 5.

Specifically, from last down,

knob

4 and 3 joints of pivot spare, knob 4 are used for rotatory pivot spare 3, and pivot spare 3 cup joints on base 2, and base 2 is installed on PCBA board 1, and pivot spare 3's anti-dazzling screen 301 is at 2 internal rotations in the base, and anti-dazzling screen 301 and the 5 sliding connection of photoelectric sensor on the PCBA board 1, when anti-dazzling screen process photoelectric sensor, output signal.

Further, a groove 501 is formed in the middle of the photoelectric sensor 5; the light shielding sheet 301 is slidably connected with the groove 501.

It can be understood that the design of the groove 501 enables the photo sensor 5 to form two output ends, and when the light shielding sheet 301 slides through, the square wave generated can be output through the two output ends of the protrusions to realize dual output.

Further, the number of the light shielding sheets 301 is multiple; the light-shielding sheets 301 are arranged at equal intervals along the outer side of the rotating shaft member 3.

Specifically, the interval between two adjacent light-shielding sheets 301 and the width of the light-shielding sheets can be customized according to the requirement of the output signal of the photoelectric sensor.

Further, the base 2 comprises an annular side wall 201, and a shaft body 202 extending vertically upwards is arranged in the middle of the base 2; an annular groove 203 is formed between the shaft body 202 and the annular side wall 201; a cavity 204 for accommodating the photoelectric sensor 5 is arranged on the annular side wall 201; the cavity 204 is clamped with the photoelectric sensor 5; the rotating shaft part 3 is sleeved with the shaft body 202; the light shielding plate 301 is slidably connected with the annular groove 203.

It will be appreciated that the provision of the cavity 204 in the annular side wall 201 of the base 2, which can house the photosensor 5, allows the structure of the encoder to be simplified and compact.

Furthermore, a positioning piece 6 is also arranged on the base 2; the positioning piece 6 comprises a positioning spring 601 and a positioning bud point 602; the positioning spring 601 is fixedly arranged on the base 2; the positioning bract 602 is arranged at one end of the positioning spring 601 far away from the base 2; the positioning piece 6 is connected with the rotating shaft piece 3; the number of the positioning pieces 6 is two, and the two positioning pieces 6 are respectively arranged in the annular groove 203 of the base 2; the two positioning members 6 are disposed on two sides of the shaft body 202 in the diameter direction.

It can be understood that, the setting of setting element 6 can adjust the height that pivot piece 3 pushed down to keep the stability of pivot piece when pushing down the rotation, the axis body is located respectively to two setting elements along diametric both sides, makes both sides left and right sides balanced, height and stability when can control rotation and pushing down, make the signal of output stable.

Further, the base 2 and the shaft member 3 are fixed by a bracket 7; the bracket 7 is sleeved on the outer side of the annular side wall 201; the bracket 7 is fastened with the rotating shaft piece 3.

Specifically, the base 2 and the shaft member 3 are fixed by the bracket 7 so that the shaft member does not deviate when rotating.

Further, the knob 4 comprises an axis 401, and a convex clamping piece 402 is arranged on the outer side of the axis 401; a clamping interface 302 is arranged on the rotating shaft piece 3; the clamping piece 402 is clamped with the clamping interface 302 on the rotating shaft piece 3.

Specifically, the clamping piece 402 which protrudes outwards is arranged on the axis 401 of the knob 4 and is clamped with the clamping interface on the rotating shaft piece 3, so that the structure is simple and firm.

Further, a display screen 403 is arranged on one surface of the knob 4, which is far away from the shaft center 401, and the display screen 403 is electrically connected with the PCBA board 1.

Specifically, the bottom surface of the display screen 403 is provided with wires for connecting the PCBA board 1, and the electrical connection with the PCBA board is realized. In addition, according to the customer's needs, the functions of touch screen and press switch confirmation key can be designed and added in the middle of the display screen 403, and the transmission line of these functions and the encoder transmission line can be integrated on the PCBA board, so that the functions of the encoder can be diversified and integrated, and the customer can use and assemble the encoder conveniently.

Further, the knob 4 is also provided with a decorative ring 404 and an outer button 405; the outer knob 405 is clamped on the outer side of the knob 4; the decorative ring 404 is disposed between the knob 4 and the outer knob 405.

Specifically, the decorative ring 404 and the outer knob 405 mainly play a decorative role, and meanwhile, the side surface of the outer knob 405 is provided with grains, so that the friction force of the knob is increased, and the knob is easy to rotate.

Further, the side of the PCBA board is provided with a connector 8, and the connector is used for being connected with a target circuit.

To sum up, the embodiment of the present invention provides an encoder, which comprises a bottom plate, a printed circuit board assembly PCBA board, a base, a rotating shaft member and a knob; the PCBA board is mounted on the bottom plate; the base is arranged on one surface of the PCBA board far away from the bottom plate; the rotating shaft piece is sleeved with the base; the knob is clamped with the rotating shaft piece; a photoelectric sensor is fixedly arranged on the PCBA; the rotating shaft piece also comprises a shading sheet; the shading sheet is connected with the photoelectric sensor in a sliding mode. The encoder has a simple structure and is easy to output signals by simplifying the structure of the encoder.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An encoder is characterized by comprising a bottom plate, a printed circuit board assembly PCBA board, a base, a rotating shaft piece and a knob; the PCBA board is mounted on the bottom plate; the base is arranged on one surface of the PCBA board far away from the bottom plate; the rotating shaft piece is sleeved with the base; the knob is clamped with the rotating shaft piece; a photoelectric sensor is fixedly arranged on the PCBA; the rotating shaft piece also comprises a shading sheet; the shading sheet is connected with the photoelectric sensor in a sliding mode.

2. The encoder of claim 1, wherein the photosensor is centered by a recess; the shading sheet is connected with the groove in a sliding mode.

3. The encoder according to claim 1, wherein the number of the light shielding plates is plural; the plurality of light shielding sheets are arranged at equal intervals along the outer side of the rotating shaft piece.

4. The encoder of claim 1, wherein the base comprises an annular side wall, and a shaft body extending vertically and upwardly is arranged in the middle of the base; an annular groove is formed between the shaft body and the annular side wall; a cavity for accommodating the photoelectric sensor is arranged on the annular side wall; the cavity is clamped with the photoelectric sensor; the rotating shaft part is sleeved with the shaft body; the light shielding sheet is connected with the annular groove in a sliding mode.

5. The encoder according to claim 4, wherein the base is further provided with a positioning member; the positioning piece comprises a positioning spring and a positioning bud point; the positioning spring is fixedly arranged on the base; the bud point is arranged at one end of the positioning spring far away from the base; the positioning piece is connected with the rotating shaft piece; the number of the positioning pieces is two, and the two positioning pieces are respectively arranged in the annular groove of the base; the two positioning pieces are arranged on two sides of the shaft body along the diameter direction.

6. The encoder of claim 4, wherein the base and the shaft member are fixed with a bracket; the bracket is sleeved outside the annular side wall; the bracket is buckled with the rotating shaft piece.

7. The encoder according to claim 1, wherein the knob comprises a shaft center, and a convex clamping piece is arranged on the outer side of the shaft center; the rotating shaft piece is provided with a clamping interface; the joint spare with the joint interface joint on the pivot spare.

8. The encoder as claimed in claim 7, wherein a display screen is provided on a side of the knob remote from the hub, the display screen being electrically connected to the PCBA.

9. The encoder according to claim 7, wherein the knob is further provided with a decorative ring and an outer knob; the outer knob is clamped on the outer side of the knob; the decorative ring is arranged between the knob and the outer knob.

10. The encoder of claim 1, wherein a side of the PCBA board is provided with a connector for connection with a target circuit.