Input module and input device

Abstract

The utility model provides an input module and an input device, the input module comprises a circuit board, an encoder, a button, a roller with two ends and a limit cover with a through hole, the encoder and the button are arranged on the circuit board, one end of the roller is inserted in the encoder, the other end of the roller is arranged above the button, and the limit cover is provided with a through hole. The limiting cover is fixed on the circuit board and is matched with the circuit board to accommodate and limit the roller, and the roller is exposed out of the limiting cover from the through hole. According to the input module, the encoder and the keys are arranged on the circuit board, the idler wheel serves as a trigger element of the encoder and the keys, the circuit board and the limiting cover are mutually fixed, the idler wheel is contained and limited in a matched mode, the input module is modularized, and therefore the input module is convenient to use. The product can be used as a standard component to be applied to various different products, is good in structural consistency, stable in quality and high in production efficiency, and facilitates the utilization rate of links such as later after-sale maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic input, in particular to an input module and an input device. Background Art

[0002] In modern digital systems, encoders play a very important role. They are widely used in systems such as computers, industrial automation control, robots, and instrumentation to provide digital input or output signals for these systems.

[0003] The prior art also applies encoders to digital tablets for input signals. Please refer to Figure 1 and Figure 2 , wherein, Figure 1 FIG. 17 is an exploded perspective view of a digital tablet provided by the prior art, Figure 2 and Figure 1 FIG. 18 is a perspective view of the main housing shown in FIG. 17. The digital tablet 100 includes an encoder device 10 and a main housing 20. The encoder device 10 includes a plastic component 11, a fixing ring 13, a bearing 15, and an encoder 17. The housing 20 includes a through hole 21 corresponding to the plastic component 11. The through hole 21 includes a receiving protrusion 211 and a housing buckle 213. The bearing 15 is placed on the receiving protrusion 211, and the fixing ring 13 is engaged with the housing buckle 213.

[0004] In the prior art, the components of the encoder 17 are assembled in cooperation with the main housing 20. The encoder 17 is not modular. When it is applied to different products, the encoder 17 needs to be redesigned, and modular design and assembly cannot be achieved. The structural consistency is poor, resulting in poor quality stability, low production efficiency, and low utilization rate in various links such as after-sales maintenance. Summary of the Utility Model

[0005] The utility model provides a modular input module and an input device using the input module to solve the above technical problems.

[0006] An embodiment of the utility model provides an input module, including a circuit board, an encoder, a button, a roller with two ends, and a limit cover with a through hole. The encoder and the button are arranged on the circuit board. One end of the roller is inserted into the encoder, and the other end is arranged above the button. The limit cover is fixed to the circuit board and cooperates with the circuit board to receive and limit the roller. The roller is exposed from the through hole to the limit cover.

[0007] In some embodiments, the limit cover further includes a limit groove for restricting the other end of the roller from moving away from the circuit board.

[0008] In some embodiments, the limiting cover further includes a first rib position having a first limiting groove and a second rib position having a second limiting groove. One end of the roller passes through the first limiting groove, and the other end of the roller passes through the second limiting groove. The roller is clamped between the first rib position and the second rib position.

[0009] In some embodiments, the limiting cover further includes a base and a cover portion connected and arranged. The through hole divides the cover portion into a first cover portion and a second cover portion. The first cover portion covers the encoder, the second cover portion covers the button, the first rib position is arranged on the first cover portion, and the second rib position is arranged on the second cover portion.

[0010] In some embodiments, the roller includes a roller shaft and a wheel body that rotate synchronously. The roller shaft includes a shaft body and a baffle. The wheel body sleeves the shaft body and is arranged adjacent to the baffle. The first rib position and the baffle are arranged on the same side of the wheel body in sequence.

[0011] In some embodiments, the shaft body includes a first shaft body, an intermediate shaft body, and a second shaft body connected in sequence. The first shaft body passes through the first limiting groove and is inserted into the encoder. The baffle is arranged at the connection between the intermediate shaft body and the first shaft body. The wheel body sleeves the intermediate shaft body. The second shaft body passes through the second limiting groove and is arranged above the button.

[0012] In some embodiments, the limiting cover further includes a buckle. The circuit board includes a card hole. The buckle is fixedly matched with the card hole.

[0013] In some embodiments, the circuit board includes a relief hole. The roller passes through the relief hole.

[0014] In some embodiments, the limiting cover further includes a positioning post. The circuit board includes a positioning hole. The positioning post passes through the positioning hole.

[0015] An embodiment of the present invention provides an input device, including a housing and an input module. The input module includes a circuit board, an encoder, a button, a roller having two ends, and a limiting cover having a through hole. The encoder and the button are arranged on the circuit board. One end of the roller is inserted into the encoder, and the other end is arranged above the button. The limiting cover is fixed to the circuit board and cooperates with the circuit board to accommodate and limit the roller. The roller is exposed from the through hole to the limiting cover. The circuit board includes a mounting hole for mounting the input module on the housing of the input device.

[0016] Compared with the prior art, in the input module provided by the present utility model, the encoder and the button are disposed on the circuit board. One end of the roller is inserted into the encoder, and the other end is disposed above the button as a triggering element. The circuit board and the limit cover are fixed to each other to cooperate to accommodate and limit the roller, modularize the input module, and can be used as a standard component in various different products. It only needs to be fixed to the housing of various different products, with good structural consistency, stable quality, high production efficiency, and is beneficial to the utilization rate of various links such as after-sales maintenance in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings, where:

[0018] Figure 1 FIG. 9 is a three-dimensional exploded view of a digitizing tablet provided by the prior art;

[0019] Figure 2 FIG. Figure 1 15 is a three-dimensional structural view of the main housing shown;

[0020] Figure 3 FIG. 19 is a three-dimensional assembled view of the input module provided by the embodiment of the present utility model;

[0021] Figure 4 FIG. Figure 3 25 is a three-dimensional exploded view of the input module shown;

[0022] Figure 5 FIG. Figure 3 31 is a cross-sectional view of the input module shown;

[0023] Figure 6 FIG. Figure 3 37 is a partial exploded view of the input module shown;

[0024] Figure 7 FIG. Figure 3 43 is a schematic diagram of the assembly process of the input module shown. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art

[0026] In the present utility model, "at least one" means one or more, and "a plurality" means two or more. The terms "first" and "second" are only used for descriptive purposes to distinguish objects such as substances from each other, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features.

[0027] It should be understood that when an element is referred to as being "connected", "coupled", "fitted", "attached", "fixed", "abutted", etc. to another element, it can be directly connected to the other element, or there may be an indirect connection. On the contrary, when an element is referred to as being "directly connected", "directly coupled", etc. to another element, there is no intermediate element. Other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between" and "directly between", "adjacent" and "directly adjacent", etc.).

[0028] It should also be understood that terms such as "left, right, up, down, front, back, side, high, long, wide, up, down, inside, outside, inner, outer, etc." may be used herein to only describe the reference points without restricting the present utility model to any specific direction and / or configuration.

[0029] Please refer to Figure 3 and Figure 4 , in which, Figure 3 is a three-dimensional assembly schematic diagram of the input module provided by the embodiment of the present utility model, Figure 4 is Figure 3 a three-dimensional exploded schematic diagram of the input module shown in FIG. The input module 30 includes a circuit board 31, an encoder 32, a key 33, a roller 34, and a limit cover 35. The encoder 32 and the key 33 are provided on the circuit board 31 and are respectively arranged at both ends of the roller 34. The limit cover 35 is fixed to the circuit board 31 and cooperates with the circuit board 31 to receive and limit the roller 34.

[0030] The circuit board 31 includes mounting holes 311 for mounting the input module 30 on the housing of the input device. It can be understood that the number and position of the mounting holes 311 can be set according to actual needs and are not specifically limited herein. In this embodiment, the number of the mounting holes 311 is two, and they are respectively arranged at opposite ends of the circuit board 31 along the extending direction of the roller 34. The circuit board 31 further includes a relief hole 312 through which the roller 34 passes, which can reduce the height of the limit cover 35 and can reduce the height of the input device when the input module 30 is mounted on the housing of the input device.

[0031] The encoder 32 is a rotary encoder 32. When the roller 34 rotates, it drives the rotary encoder 32 to rotate and generates an input signal.

[0032] The key 33 includes a key contact 331. When the roller 34 is pressed, the key contact 331 is driven to press down, generating an input signal.

[0033] It can be understood that when the physical force pressing the roller 34 is removed, the key contact 331 of the key 33 resets, and at the same time, the roller 34 is driven to reset.

[0034] The roller 34 includes a roller shaft 341 and a wheel body 343. The wheel body 343 is sleeved on the roller shaft 341, and the wheel body 343 is key-connected to the roller shaft 341 to rotate synchronously.

[0035] In some embodiments, the roller shaft and the wheel body are of an integral structure.

[0036] The roller shaft 341 has two ends. One end is inserted into the encoder 32, and the other end is disposed above the key contact 331 of the key 33. The roller shaft 341 includes a shaft body 3411 and a baffle 3413, and the baffle 3413 is disposed on the shaft body 3411.

[0037] Please refer to Figure 5 and Figure 6 , wherein, Figure 5 is Figure 3 a cross-sectional view of the input module shown in Figure 6 is Figure 3 a partially exploded schematic view of the input module shown in . The shaft body 3411 includes a first shaft body 34111, an intermediate shaft body 34112, and a second shaft body 34113 that are sequentially connected and arranged. The first shaft body 34111 is inserted into the encoder 32, and the baffle 3413 is disposed at the junction of the intermediate shaft body 34112 and the first shaft body 34111. The wheel body 343 is sleeved on the intermediate shaft body 34112 and is disposed adjacent to the baffle 3413. A first annular boss 3431 is provided on the side of the wheel body 343 adjacent to the baffle 3413, and a second annular boss 3432 is provided on the side of the wheel body 343 away from the baffle 3413. The second shaft body 34113 is disposed above the key contact 331.

[0038] Wherein, the cross-section of the intermediate shaft body 34112 is in a "cross" shape, as shown in Figure 4 , and a pair of key grooves 3435 are correspondingly provided in the hollow through hole 3434 of the wheel body 343 for the intermediate shaft body 34112 to achieve key connection.

[0039] It can be understood that the number of the wheel bodies 343 can be one or more, and those skilled in the art can set it according to actual needs. When the number of the wheel bodies 343 is multiple, spacers can be provided between two adjacent wheel bodies 343 to facilitate rotation.

[0040] Please also refer to Figure 4 and Figure 5 , the limit cover 35 includes a base 351, a cover portion 353 and a through hole 354. The base 351 is connected to the cover portion 353. The through hole 354 divides the cover portion 353 into a first cover portion 3531 and a second cover portion 3532. The wheel body 343 is exposed from the through hole 354 to the limit cover 35. The first cover portion 3531 covers the encoder 32 and the first shaft body 34111, and the second cover portion 3532 covers the button 33 and the second shaft body 34113.

[0041] Please also refer to Figure 5 and Figure 6 , the limit cover 35 further includes a limit groove for restricting the roller 34 from moving away from the circuit board 31. Specifically, the limit cover 35 further includes a first rib 355 having a first limit groove 3551 and a second rib 356 having a second limit groove 3561. One end of the roller 34 passes through the first limit groove 3551 and maintains a certain gap with the groove wall of the first limit groove 3551. The other end of the roller 34 passes through the second limit groove 3561 and maintains a certain gap with the groove wall of the second limit groove 3561. The roller 34 is clamped between the first rib 355 and the second rib 356. Specifically, the first rib 355 is provided on the first cover portion 3531 and faces the first shaft body 34111. The second rib 356 is provided on the second cover portion 3532 and faces the second shaft body 34113. The first shaft body 34111 passes through the first limit groove 3551 and maintains a certain gap with the groove wall of the first limit groove 3551. The second shaft body 34113 passes through the second limit groove 3561 and maintains a certain gap with the groove wall of the second limit groove 3561. The wheel body 343 is clamped between the first rib 355 and the second rib 356.

[0042] Wherein, the first limit groove 3551 and the second limit groove 3561 are U-shaped grooves.

[0043] It can be understood that the limit cover 35 and the circuit board 31 can be fixed by snap-fitting, screw-fixing, pasting, etc. Those skilled in the art can set according to actual needs and are not specifically limited herein.

[0044] In this embodiment, the limit cover 35 and the circuit board 31 can be fixed by snap-fitting. Specifically, please refer to Figure 4, the limit cover 35 further includes a buckle 357 and a positioning post 358. The buckle 357 is provided on the cover portion 353. The circuit board 31 is provided with a card hole 313 corresponding to the buckle 357. The buckle 357 is fixed in cooperation with the card hole 313. The positioning post 358 is provided on the base 351. The circuit board 31 is provided with a positioning hole 315 corresponding to the positioning hole 315. The positioning post 358 penetrates through the positioning hole 315.

[0045] Please refer to Figure 7 , for Figure 3 the schematic assembly process diagram of the input module shown. The assembly steps of the input module 30 are as follows:

[0046] S1. Sheathe the wheel body 343 on the roller 341 to form a first assembly;

[0047] S2. Based on the first assembly, insert the first shaft body 34111 of the roller 341 into the encoder 32, and place the second shaft body 34113 on the key contact 331 of the key 33 to form a second assembly;

[0048] S3. Based on the second assembly, fix the limit cover 35 to the circuit board 31 to form the input module 30.

[0049] The present invention also provides an input device. As shown in the figure, it includes a control board, a housing, and an input module 30. The input module 30 adopts the input module 30. The input module 30 is installed on the housing of the input device through the installation hole 311 of the circuit board 31 and is electrically connected to the control board.

[0050] Compared with the prior art, in the input module 30 provided by the present invention, the encoder 32 and the key 33 are arranged on the circuit board 31. One end of the roller 34 is inserted into the encoder 32, and the other end is arranged above the key 33 as a trigger element. Through the mutual fixation of the circuit board 31 and the limit cover 35, the roller 34 is cooperatively received and limited, and the input module 30 is modularized. It can be used as a standard component in various different products. Only need to fix it on the housings of various different products. It has good structural consistency, stable quality, high production efficiency, and is beneficial to the utilization rate of various links such as after-sales maintenance in the later stage. At the same time, the input module 30 has a simple structure and is convenient to assemble.

[0051] The limiting cover 35 is provided with a first rib 355 having a first limiting groove 3551 and a second rib 356 having a second limiting groove 3561. The first shaft body 34111 passes through the first limiting groove 3551, and the second shaft body 34113 passes through the second limiting groove 3561, which can reduce the risk of shaking or displacement when the roller 34 is in use, and at the same time does not affect the smooth rolling of the roller 34.

[0052] On the side of the wheel body 343 close to the first shaft body 34111, the first rib 355 and the baffle 3413 are arranged in sequence to limit the wheel body 343. On the side of the wheel body 343 close to the second shaft body 34113, the second rib 356 limits the wheel body 343, further reducing the risk of shaking or displacement when the roller 34 is in use.

[0053] The above are only some embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. An input module, characterized in that: include: Circuit boards; An encoder, arranged on the circuit board; A button, arranged on the circuit board; A roller with two ends, one end of which is inserted into the encoder and the other end is arranged above the button; A limiting cover with a through hole is fixed to the circuit board and cooperates with the circuit board to accommodate and limit the roller. The roller is exposed from the through hole to the limiting cover.

2. The input module according to claim 1, characterized in that: The limiting cover further comprises a limiting groove, and the limiting groove is used to limit the roller from moving in a direction away from the circuit board.

3. The input module according to claim 1, characterized in that: The limiting cover also includes a first rib position having a first limiting groove and a second rib position having a second limiting groove, one end of the roller passes through the first limiting groove, the other end of the roller passes through the second limiting groove, and the roller is clamped between the first rib position and the second rib position.

4. The input module according to claim 3, characterized in that: The limit cover also includes a base and a cover portion that are connected to each other. The through hole separates the cover portion into a first cover portion and a second cover portion. The first cover portion covers the encoder, and the second cover portion covers the button. The first rib is located on the first cover portion, and the second rib is located on the second cover portion.

5. The input module according to claim 3, characterized in that: The roller comprises a synchronously rotating roller shaft and a wheel body, the roller shaft comprises a shaft body and a baffle, the wheel body is sleeved with the shaft body and arranged adjacent to the baffle, and the first rib position and the baffle are sequentially arranged on the same side of the wheel body.

6. The input module according to claim 5, characterized in that: The shaft body includes a first shaft body, an intermediate shaft body and a second shaft body which are connected in sequence. The first shaft body passes through the first limiting slot and is inserted into the encoder. The baffle is arranged at the junction of the intermediate shaft body and the first shaft body. The wheel body is sleeved with the intermediate shaft body. The second shaft body passes through the second limiting slot and is arranged above the button.

7. The input module according to claim 1, characterized in that: The limiting cover also includes a buckle, the circuit board includes a buckle hole, and the buckle is fixed in cooperation with the buckle hole.

8. The input module according to claim 1, characterized in that: The circuit board comprises a clearance hole, and the roller passes through the clearance hole.

9. The input module according to claim 1, characterized in that: The limiting cover further includes a positioning column, the circuit board includes a positioning hole, and the positioning column passes through the positioning hole.

10. An input device, characterized in that: It comprises a shell and an input module, wherein the input module is the input module as claimed in any one of claims 1 to 9, and the circuit board comprises a mounting hole, wherein the mounting hole is used to mount the input module on the shell of the input device.

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