CN219141854U

CN219141854U - Encoder with switch

Info

Publication number: CN219141854U
Application number: CN202223220378.1U
Authority: CN
Inventors: 钟标; 谭远明
Original assignee: Dongguan Syou Electronics Co ltd
Current assignee: Guangdong Shunyou Electronics Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-06-06
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to a switch-equipped encoder, comprising: the axle center, the push piece, the axle sleeve, the fluctuation dish, signal body, switch body and five metals shell realize the location respectively in the bottom surface and the side of fluctuation dish through first spacer and second spacer, strengthened the location effect greatly, with first spacer and second spacer integration on the signal body, simplify the assembly structure of spacer, switch body and fluctuation dish assemble respectively in the bottom surface and the top surface of signal body, simplified the assembly structure of encoder.

Description

Encoder with switch

Technical Field

The utility model relates to the technical field of encoders, in particular to an encoder with a switch.

Background

The utility model discloses a rotary encoder with a switch, which comprises a bracket, wherein the bottom of the bracket is provided with an axle center, one side of the axle center away from the bracket is sleeved with a locating plate, one side of the locating plate away from the axle center is provided with a fluctuation disk, the bottom of the fluctuation disk is movably connected with a brush, one side of the brush is provided with a body, the bottom of the body is provided with a switch plate, and one side of the switch plate away from the body is fixedly connected with a switch seat. According to the rotary encoder with the switch, positioning teeth with chamfer design are arranged, so that smooth and clear fixed feeling can be generated by matching with the positioning sheets, six sections of small riveting columns are matched with six riveting points of the brush, tolerance between the fluctuation disk and the brush can be reduced compared with a common three-point structure, the brush is free from displacement after riveting, and the contact precision with the body hardware sheet can be improved; the set copper silver-plated switch piece has better elasticity, clearer pressing switching sound and prolonged service life.

The prior art mainly has the following defects: the positioning structure of the fluctuation disk and the positioning sheet is simple, so that the positioning effect between the fluctuation disk and the positioning sheet is poor, and the positioning structure cannot be applied to an application environment with high requirements on the positioning effect.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the encoder with the switch, which solves the defect of poor positioning effect in the prior art and realizes the optimization of the positioning structure of the fluctuation disk and the positioning sheet.

The embodiment of the utility model provides an encoder with a switch, which comprises: the switch comprises an axle center, a pressing sub, a shaft sleeve, a fluctuation disc, a signal body, a switch body and a hardware shell, wherein a first contact piece, a second contact piece and a first positioning piece are embedded in the signal body, a third contact piece is embedded in the switch body, the signal body is erected at the top of the switch body, a groove is formed in the top of the signal body, the fluctuation disc is arranged in the groove, the shaft sleeve is erected at the top of the signal body, the axle center penetrates through the shaft sleeve to be in transmission connection with the fluctuation disc, the pressing sub is assembled at the bottom of the axle center and is used for driving the second contact piece to be in contact with the third contact piece of the switch body so as to realize the function of pressing the switch, the shell is positioned at the bottom of the switch body and limits the positions of the switch body, the signal body and the shaft sleeve, a plurality of positioning teeth are arranged on the outer peripheral surface of the fluctuation disc at intervals along the circumferential direction, gaps between the first positioning piece and adjacent positioning teeth form a first positioning structure, the hardware piece is arranged on the bottom of the fluctuation disc, and the hardware piece is used for being in contact with the first contact piece to be conducted; a second locating piece is arranged on one side of the groove, and a gap between the second locating piece and the adjacent locating teeth forms a second locating structure.

In some embodiments, the groove has a mounting groove on one side, the mounting groove has a channel in communication with the groove, the mounting groove is configured to receive a second positioning tab, and the second positioning tab has a second positioning protrusion that resiliently protrudes from the mounting groove through the channel toward the groove.

In some of these embodiments, the second positioning tab includes a second positioning tab located in the middle and mounting side portions located on either side of the second positioning tab.

In some of these embodiments, the first positioning tab has a first positioning tab that resiliently moves into and out of the gap between adjacent positioning teeth.

In some embodiments, the center of the fluctuation disk is provided with a through hole penetrating through the upper part and the lower part, and a limit hole limiting the bottom of the axle center is formed in the through hole by the structure of the reinforcing ribs.

In some of these embodiments, the sleeve has a mounting hole and the hardware housing has a rivet that is riveted to the sleeve surface after passing through the mounting hole.

In some of these embodiments, the bottom surface of the recess is formed with a first slot and a second slot, the first locating tab being located in the first slot and the first contact tab being located in the second slot.

Compared with the related art, the encoder with the switch provided by the embodiment of the utility model has the following beneficial effects:

1) The first locating piece and the second locating piece are respectively located on the bottom surface and the side surface of the fluctuation disk, so that the locating effect is greatly enhanced;

2) The first locating piece and the second locating piece are integrated on the signal body, so that the assembly structure of the locating piece is simplified;

3) The switch body and the fluctuation disk are respectively assembled on the bottom surface and the top surface of the signal body, so that the assembling structure of the encoder is simplified.

The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the utility model.

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 utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is an overall construction diagram of a switch-equipped encoder according to an embodiment of the present utility model.

Fig. 2 is an exploded structural view of the encoder with a switch according to the embodiment of the present utility model.

In the figure, 1, an axle center; 2. pressing the son; 3. a shaft sleeve; 4. a wave plate; 5. a signal body; 6. a switch body; 7. a hardware housing; 8. a groove; 9. a mounting groove; 10. a first contact piece; 11. a second contact piece; 12. a first positioning piece; 13. a second positioning piece; 14. a first groove; 15. a second groove; 16. a first positioning protrusion; 17. a second positioning protrusion; 18. pins; 19. a mounting side portion; 20. a third contact piece; 21. perforating; 22. reinforcing ribs; 23. a limiting hole; 24. positioning teeth; 25. a gap; 26. a tube body; 27. a mounting hole; 28. and (5) riveting the part.

Detailed Description

The present utility model will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present utility model more apparent.

As shown in fig. 1-2, an encoder with a switch according to an embodiment of the present utility model includes: the device comprises an axle center 1, a pressing piece 2, an axle sleeve 3, a fluctuation disk 4, a signal body 5, a switch body 6 and a hardware shell 7.

In order to enhance the positioning effect and simplify the mounting structure of the positioning pieces, the top surface of the signal body 5 is provided with a groove 8 and a mounting groove 9 which is communicated, the groove 8 is embedded with a first contact piece 10 and a second contact piece 11 (the number of the first contact pieces 10 is three according to the requirement, the number of the second contact pieces 11 is only one for pressing the switch) in an injection molding mode, and the mounting groove 9 is additionally provided with a first positioning piece 12 in an additional mounting mode, and a second positioning piece 13. In order to avoid the transitional extrusion of the wobble plate 4 to the first contact piece 10 and the first positioning piece 12, a first groove 14 and a second groove 15 are formed in the inner bottom surface of the groove 8, the first positioning piece 12 is positioned in the first groove 14, the first positioning convex part 16 is higher than the bottom surface of the groove 8 by the elasticity of the first positioning piece 12 to expose the first groove 14, the first contact piece 10 is positioned in the second groove 15, and the contact point is higher than the bottom surface of the groove 8 by the elasticity of the first contact piece 10 to expose the second groove 15. The mounting groove 9 and the groove 8 have a passage communicating with each other, and the second positioning piece 13 has a second positioning protrusion 17 elastically protruding from the mounting groove 9 to the groove 8 through the passage, and the first positioning protrusion 16 and the second positioning protrusion 17 together position the wave plate 4 in the groove 8, wherein the first positioning protrusion 16 positions from the bottom surface of the wave plate 4, and the second positioning protrusion 17 positions from the side surface of the wave plate 4. And the first contact 10 extends out of the signal body 5 beyond the signal body 5 to form pins 18 (three pins 18 in this embodiment). The second contact piece 11 is in the central opening of the groove 8 of the signal body 5, and the second contact piece 11 can move towards the switch body 6 after being pushed down through the opening under the driving of the pressing piece 2.

In order to improve the positioning stability of the first positioning sheet 12 and the second positioning sheet 13 on the wobble plate 4, the forward and reverse rotation has a smooth and stable positioning effect. The first positioning piece 12 and the second positioning piece 13 are both configured as symmetrical stress structures, so that the first positioning convex portion 16 and the second positioning convex portion 17 are respectively located in the middle, for example: the second positioning piece 13 includes a second positioning convex portion 17 at the middle portion and mounting side portions 19 at both sides of the second positioning convex portion 17. The difference of the forward and reverse rotation positioning effect caused by the deflection of the stress of the positioning convex part is effectively avoided, and the hand feeling is influenced.

The switch body 6 of the present embodiment is embedded with the third contact piece 20 by integral injection molding, and the third contact piece 20 is connected to the above-mentioned partial pins 18 by extending to the outer surface of the switch body 6, thereby forming a push switch circuit. The switch body 6 is embedded in the bottom surface of the signal body 5, thereby simplifying the assembly structure between the switch body 6 and the signal body 5.

The wave disc 4 of the embodiment is built in the groove 8 of the signal body 5 and is provided with a through hole 21 which penetrates through the upper surface and the lower surface at the center, a limit hole 23 which is used for realizing transmission is formed in the through hole 21 by limiting the bottom of the axle center 1 with the structure of the reinforcing rib 22, the mode of replacing the solid injection molding of the limit hole 23 by the mechanism of the reinforcing rib 22 is used for reducing the use of plastic and weight reduction on the basis of enhancing the stability of the structure, and assistance is provided for adding the matched parts. The peripheral side surface centering on the through hole 21 is provided with a plurality of positioning teeth 24 which are arranged at intervals along the circumferential direction, gaps 25 for positioning the first positioning convex parts 16 and the second positioning convex parts 17 are arranged between the adjacent positioning teeth 24, the gaps 25 and the first positioning sheets 12 form a first positioning structure positioned on the bottom surface of the fluctuation disk 4, and the gaps 25 and the second positioning sheets 13 form a second positioning structure positioned on the side surface of the fluctuation disk 4. A hardware piece is assembled or integrally formed on the bottom surface of the wave plate 4, and the hardware piece is used for contacting with the first contact piece 10 to form a loop.

The shaft sleeve 3 of this embodiment is erected at the top of the signal body 5, the middle part of the shaft sleeve 3 is provided with a hollow pipe body 26, the shaft center 1 rotatably passes through the shaft sleeve 3, and the bottom of the shaft center 1 is inserted into the limit hole 23 of the fluctuation disk 4 and realizes rotation transmission with each other. In order to realize the function of the push switch, a push button 2 is arranged between the bottom of the shaft center 1 and the second contact piece 11 of the switch body 6, the push button 2 pushes down the second contact piece 11 under the push-down drive of the shaft center 1, then the second contact piece 11 contacts with the third contact piece 20 to conduct the push switch, and after the external force is removed from the shaft center 1, the second contact piece 11 is reset upwards. Four mounting holes 27 are formed in the periphery of the pipe body 26 of the shaft sleeve 3, the hardware shell 7 is provided with a riveting piece 28, and the riveting piece penetrates through the mounting holes 27 and is then riveted to the surface of the shaft sleeve 3 so as to strengthen the assembly structure of the shaft sleeve 3 and the hardware shell 7.

The working principle of the embodiment of the utility model is as follows: the axle center 1 is rotated, the axle center 1 drives the fluctuation disk 4 to rotate, the hardware sheet of the fluctuation disk 4 is contacted with the first contact sheet 10 of the signal body 5 in a segmented mode, gear switching is achieved, in the process, the first positioning sheet 12 and the second positioning sheet 13 of the signal body 5 jointly position the fluctuation disk 4, and then positioning sense during rotation is generated. After the shaft center 1 is pressed down, the shaft center 1 drives the pressing piece 2 to press down the second contact piece 11, so that the second contact piece 11 is in contact with the third contact piece 20, and the function of pressing the switch is realized.

Compared with the prior art, the encoder with the switch provided by the embodiment of the utility model has the advantages that the positioning effect is greatly enhanced by respectively realizing the positioning of the first positioning sheet 12 and the second positioning sheet 13 on the bottom surface and the side surface of the fluctuation disk 4, the first positioning sheet 12 and the second positioning sheet 13 are integrated on the signal body 5, the assembly structure of the positioning sheets is simplified, the switch body 6 and the fluctuation disk 4 are respectively assembled on the bottom surface and the top surface of the signal body 5, and the assembly structure of the encoder is simplified.

It should be understood by those skilled in the art that the technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, they should be considered as being within the scope of the description provided herein, as long as there is no contradiction between the combinations of the technical features.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A switched encoder, comprising: the utility model provides a power supply, including axle center (1), press son (2), axle sleeve (3), wave disc (4), signal body (5), switch body (6) and five metals shell (7), signal body (5) are embedded to have first contact piece (10), second contact piece (11) and first location piece (12), switch body (6) are embedded to have third contact piece (20), signal body (5) erect in switch body (6)'s top, signal body (5)'s top has recess (8), recess (8) are built-in have wave disc (4), axle sleeve (3) erect in signal body (5)'s top, axle center (1) are passed axle sleeve (3) with wave disc (4) transmission connection, press son (2) assemble in axle center (1)'s bottom and be used for driving second contact piece (11) with switch body (6) third contact piece (20) contact in order to realize pressing switch function, shell is located switch body (6) and is located bottom surface and with wave disc (4) limit for the peripheral face (4), wave disc (4) are located in signal body (4) have and are separated by each other to peripheral face (4) have and are located at the position (24), the gap (25) between the first positioning sheet (12) and the adjacent positioning teeth (24) forms a first positioning structure, and the bottom surface of the fluctuation disk (4) is provided with a hardware sheet which is used for being in contact with the first contact sheet (10) to be conducted; a second locating piece (13) is arranged on one side of the groove (8), and a second locating structure is formed by a gap (25) between the second locating piece (13) and the adjacent locating teeth (24).

2. A switch-equipped encoder according to claim 1, characterized in that one side of the recess (8) has a mounting groove (9), the mounting groove (9) having a passage communicating with the recess (8), the mounting groove (9) being adapted to fit the second positioning piece (13), the second positioning piece (13) having a second positioning projection (17) extending elastically from the mounting groove (9) through the passage toward the recess (8).

3. A switched-mode encoder according to claim 2, characterized in that the second positioning tab (13) comprises the second positioning projection (17) in the middle and mounting sides (19) on both sides of the second positioning projection (17).

4. A switched encoder according to claim 1 or 3, characterized in that the first positioning tab (12) has a first positioning protrusion (16) which is resilient into and out of a gap (25) between adjacent positioning teeth (24).

5. The encoder with switch according to claim 1, wherein the center of the wobble plate (4) has a through hole (21) penetrating up and down, and a limit hole (23) for limiting the bottom of the shaft center (1) is formed in the through hole (21) in a structure of a reinforcing rib (22).

6. A switch-equipped encoder according to claim 1, characterized in that the sleeve (3) has a mounting hole (27), the hardware housing (7) has a rivet (28), and the rivet (28) is riveted to the sleeve (3) surface after passing through the mounting hole (27).

7. The encoder with the switch according to claim 1, wherein a first groove (14) and a second groove (15) are formed on the bottom surface of the groove (8), the first positioning piece (12) is located in the first groove (14), and the first contact piece (10) is located in the second groove (15).