CN216596196U

CN216596196U - Encoder assembly capable of switching rotational degrees of freedom of roller

Info

Publication number: CN216596196U
Application number: CN202122936818.2U
Authority: CN
Inventors: 陈爱华
Original assignee: Guangdong Ruixun Electronic Technology Co ltd
Current assignee: Guangdong Ruixun Electronic Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-24
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses an encoder assembly capable of switching rotational degrees of freedom of a roller, which comprises a support, an encoder module arranged on the support and a roller triggering the encoder module to generate signals, wherein the support is also provided with a switching key, the switching key is associated with a pressing wheel component pivoted on the support, and the pressing of the switching key can enable the pressing wheel component to be far away from or close to the roller so as to switch the rotational degrees of freedom of the roller. The roller state of the roller assembly can be switched by the button type switching key, so that a rolling mode with low degree of freedom and damping and paragraph feeling or a low-damping free rolling mode with high degree of freedom is obtained, and different environmental requirements are met; in addition, the pinch roller component of this application simple structure is reliable, makes overall structure frivolous, easily assembles, and light in weight, low in production cost is fit for the industrialization production and uses widely.

Description

Encoder assembly capable of switching rotational degrees of freedom of roller

Technical Field

The utility model relates to input equipment, in particular to an encoder assembly capable of switching the rotational freedom degree of a roller.

Background

Inputting data and information to a computer or electronic device is the bridge by which the computer communicates with users or other devices. An input device is one of the primary means by which information is exchanged between a user and a computer system. A keyboard, a mouse, a camera, a scanner, a light pen, a handwriting input board, a joystick, a voice input device, and the like are input devices. An input device is a device that a person or the outside interacts with a computer for inputting raw data and programs for processing these numbers into the computer. The computer can receive various data, such as numerical data or non-numerical data, and the data can be input into the computer through different types of input devices for storage, processing and output.

The roller module belongs to one of the hardware modules for generating signals in the input device, and as with the key, has become a common component in the input device nowadays. The roller module is widely applied to a mouse, and the roller is not limited to the mouse and can also be applied to other input equipment to realize the interaction function of roller operation.

The damping of current gyro wheel is fixed mostly, dials a check and rolls, can not provide multiple and stir the layer of feeling, still can't stir fast simultaneously, uses very inconveniently in some official working or recreation scenes. Therefore, ZL201910560652.3 multimode roller of input equipment appears on the market, which can provide three operation degrees of freedom, namely flywheel degree of freedom, constant friction degree of freedom and ratchet degree of freedom, but the structure of the multimode roller is too complex, so that the production cost of the mouse is greatly increased, and the weight of the mouse is increased; due to the complex structure, the shock resistance effect is poor and the structure is easy to damage. Usually, such a multi-mode mouse is switched mechanically, and if the multi-mode mouse is electrically, electromechanically or electromagnetically controlled, the structural complexity is further increased, and the production cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention is directed to an encoder assembly with switchable rotational degrees of freedom of a roller, which is novel in structure and convenient to assemble.

In order to realize the technical purpose, the scheme of the utility model is as follows: the utility model provides an encoder subassembly of changeable gyro wheel rotational degree of freedom, includes the support and establishes the encoder module on the support, still includes the gyro wheel that triggers encoder module production signal, still be equipped with a switching button on the support, the switching button is relevant to have a pinch roller component of pin joint on the support, presses the switching button and can make the pinch roller component keep away from or hug closely the gyro wheel and then switch gyro wheel pivoted degree of freedom.

Preferably, the roller is of an annular structure with an inner ring, and the inner ring wall of the roller is of a wavy or toothed structure; the pinch roller component comprises a swing rod end, a connecting end and a pin joint hole between the swing rod end and the connecting end, a pin joint shaft is arranged on the support and matched with the pin joint hole, the connecting end is connected with the switching key, the swing rod end extends into the inner ring of the roller, and when the switching key is pressed, the connecting end lifts up along with the up-and-down movement of the switching key to enable the swing rod end to be tightly attached to or far away from the inner ring wall of the roller.

As preferred, switch the button including smooth claw cover, button and guide seat, smooth claw cover is fixed on the support, the button nestification is in smooth claw cover, the button bottom is equipped with the button gear, smooth claw cover bottom is equipped with smooth claw sleeve gear, be equipped with on the guide seat with button gear assorted pinion and with smooth claw sleeve gear assorted gear wheel, guide seat upper portion cover is equipped with first reset spring, be equipped with second reset spring in the guide seat bottom, second reset spring bottom cover is equipped with the push rod, the push rod is connected with the link of pinch roller component.

Preferably, the switching key further comprises a guide groove with a baffle, the guide groove is fixed on the support through the baffle, and the sliding claw is sleeved on the guide groove in an embedded mode.

Preferably, the button and the sliding claw sleeve are of a cylindrical structure, an outer convex strip is arranged at the bottom of the outer side of the button, an inner convex strip is arranged at the top of the inner side of the sliding claw sleeve, and the inner convex strip and the outer convex strip are arranged at intervals.

Preferably, a through hole is formed in the guide seat, the push rod penetrates through the through hole and can move up and down in the through hole, and a push rod protrusion with the diameter larger than that of the through hole is arranged at the top end of the push rod.

Preferably, a rotating shaft is arranged at the center of the roller, the encoder module comprises a fixing frame, a coding turntable and a PCB, a light pair pipe assembly composed of a light emitting element and a photosensitive element is arranged on the PCB in a patch mode, the coding turntable is a hollow circular ring cover made of opaque materials and is inserted into the roller through the rotating shaft, a light path switch is arranged on the outer annular wall of the coding turntable, and when the light path switch on the coding turntable rotates to the light path of the light pair pipe, the photosensitive element can receive light emitted by the light emitting element.

Preferably, the light path switch is an optical through hole formed in an outer annular wall of the code turntable, and the outer annular wall of the code turntable is located between the light emitting element and the photosensitive element.

Preferably, the PCB is provided with LED lamp beads in an attached mode.

The beneficial effects of the utility model are: the roller state of the roller assembly can be switched by the button type switching key, so that the free rolling degree of freedom or the free rolling degree of freedom of the ratchet wheel is obtained, and different environmental requirements are met; in addition, the pinch roller component of this application simple structure is reliable, makes overall structure frivolous, easily assembles, and light in weight, low in production cost is fit for the industrialization production and uses widely.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view of the switch button of the present invention;

FIG. 4 is a schematic diagram of the construction of the puck component of the present invention;

FIG. 5 is a schematic structural diagram of a turntable for coding according to the present invention;

fig. 6 is a schematic structural diagram of an embodiment of the present invention.

Wherein: 1. a support; 11. a pivot shaft; 2. a roller; 21. an inner annular wall; 22. a rotating shaft; 23. an anti-slip rubber ring; 3. switching a key; 31. a sliding claw sleeve; 311. a sliding pawl sleeve gear; 312. inner side convex strips; 32. a button; 321. a button gear; 322. outer side convex strips; 33. a guide seat; 331. a bull gear; 332. a pinion gear; 333. a through hole; 34. a first return spring; 35. a second return spring; 36. a push rod; 361. the push rod is raised; 37. a guide groove; 4. a pinch roller member; 41. a swing rod end; 42. a connecting end; 43. a pivot hole; 5. an encoder module; 51. a fixed mount; 52. a coding turntable; 521. an optical path switch; 53. a PCB board; 54. a light-to-tube assembly; 6. a housing; 61. and pressing a key groove.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific embodiments.

As shown in fig. 1-6, the embodiment of the present invention is an encoder capable of switching rotational degrees of freedom of a roller, which can be configured as a mouse by matching a housing 6 and a key, and includes a bracket 1, an encoder module 5 disposed on the bracket 1, and a roller 2 triggering the encoder module 5 to generate a signal, wherein the bracket 1 is further provided with a switch key 3, the housing 6 is provided with a key pressing groove 61 matching with the switch key 3, the switch key 3 is disposed in the key pressing groove 61, the switch key 3 is associated with a pressing wheel member 4 pivoted on the bracket 1, and pressing the switch key 3 can make the pressing wheel member 4 away from or cling to the roller 2 to switch the rotational degree of freedom of the roller 2, so that the roller 2 is configured as a ratchet wheel rolling or a free rolling.

The roller 2 has the advantages that the roller 2 has the quick low-damping roller 2 and the ratchet wheel type accurate roller 2, specifically, the roller 2 is of an annular structure with an inner ring, and the inner ring wall 21 of the roller is of a wavy or toothed structure; the pinch roller component 4 comprises a swing rod end 41, a connecting end 42 and a pivot hole 43 located between the swing rod end 41 and the connecting end 42, a pivot shaft 11 matched with the pivot hole 43 is arranged on the support, the connecting end 42 is connected with the switching key 3, the swing rod end 41 extends into the inner ring of the roller, and when the switching key is pressed, the connecting end 42 moves up and down along with the switching key 3 to enable the swing rod end to be attached to or away from the inner ring wall 21 of the roller 2.

The switching key 3 adopts a pressing structure, a user can switch between the free rolling freedom degree and the ratchet wheel rolling freedom degree only by lightly pressing the roller 2, the roller can roll under the ratchet wheel freedom degree when the roller needs to be dragged slowly, the hand feeling of a paragraph is brought, and the free rolling freedom degree can be switched by faster light touch. The switching key 3 comprises a sliding claw sleeve 31, a button 32 and a guide seat 33, the sliding claw sleeve 31 is fixed on the support 1, the button 32 is nested in the sliding claw sleeve 31, a button gear 321 is arranged at the bottom of the button 32, a sliding claw sleeve gear 311 is arranged at the bottom of the sliding claw sleeve 31, a small gear 332 matched with the button gear 321 and a large gear 331 matched with the sliding claw sleeve gear 311 are arranged on the guide seat 33, a first return spring 34 is sleeved at the upper part of the guide seat 33, a second return spring 35 is arranged in the bottom of the guide seat 33, a push rod 36 is sleeved at the bottom of the second return spring 35, and the push rod 36 is connected with a connecting end 42 of the pinch roller component 4;

the button 32 and the sliding claw sleeve 31 are cylindrical structures, the outer bottom of the button 32 is provided with an outer convex strip 322, the inner top of the sliding claw sleeve 31 is provided with an inner convex strip 312, the inner convex strip 312 and the outer convex strip 322 are arranged at intervals, and when the button 32 rotates downwards, the inner convex strip 312 is matched with the outer convex strip 322;

a through hole 333 is arranged in the guide seat 33, the push rod 36 passes through the through hole 333 and can move up and down in the through hole 333, and a push rod protrusion 361 with the diameter larger than that of the through hole 333 is arranged at the top end of the push rod 36.

In order to prevent the sliding claw sleeve 31 from moving when the button 32 is pressed, the switch key 3 further comprises a guide groove 37, two sides of the guide groove 37 extend to form a baffle, a clamping block is arranged on the sliding claw sleeve 31, and the sliding claw sleeve 31 is fixed on the guide groove 37 through the clamping block.

When the button 32 is pressed, the button 32 slides downwards to the button gear 321 to be combined with the pinion 332 of the guide seat 33, the lower protrusion of the button 32 is mutually abutted with the upper protrusion of the sliding claw sleeve 31, then the guide seat 33 descends to drive the push rod 36 to move downwards, the guide seat 33 is abutted against the push rod protrusion 361, and the push rod 36 drives the pressure wheel component 4 to move upwards to contact the roller 2; at this time, the first return spring 34 and the second return spring 35 are in a power accumulation state, and when the push button 32 is pressed again, the second return spring 35 is rebounded by the pressure to raise the guide holder 33, the large gear 331 of the guide holder 33 is engaged with the sliding pawl sleeve gear 311, the guide holder 33 rotates to disengage the small gear 332 from the push button gear 321, and the push button 32 is raised and returned by the urging force of the first return spring 34.

The utility model provides a 2 subassemblies of gyro wheel still have the photoelectric function, 2 centers of gyro wheel are equipped with a pivot 22, encoder module 5 includes mount 51, code wheel 52 and PCB board, the paster is equipped with the light geminate transistor subassembly 54 that comprises light emitting component and light-sensitive element on the PCB board, code wheel 52 is the cavity ring lid of light-tight material, this code wheel 52 inserts in the gyro wheel 2 through pivot 22, code wheel 52's outer rampart is equipped with light path switch 521, when the light path of light geminate transistor is rotated to light path switch 521 on code wheel 52, light-sensitive element can receive the light that light emitting component sent. The light path switch 521 is a light through hole 333 formed on the outer circumferential wall of the encoder dial 52, which is located between the light emitting element and the light sensitive element of the encoder dial 52.

As the preferred scheme of this embodiment, the cover is equipped with anti-skidding rubber ring 23 on gyro wheel 2, and the PCB board facing is equipped with LED lamp pearl, can bring the various light effect of dazzling for the gyro wheel.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an encoder subassembly of changeable gyro wheel rotational degree of freedom, includes the support and establishes the encoder module on the support, still including the gyro wheel that triggers the encoder module to produce the signal, its characterized in that: the support is also provided with a switching key, the switching key is associated with a pinch roller component pivoted on the support, and the pinch roller component can be far away from or tightly attached to the roller by pressing the switching key so as to switch the rotational freedom degree of the roller.

2. The switchable roller rotational degree of freedom encoder assembly of claim 1, wherein: the roller is of an annular structure with an inner ring, and the inner ring wall of the roller is of a wavy or toothed structure; the pinch roller component comprises a swing rod end, a connecting end and a pin joint hole between the swing rod end and the connecting end, a pin joint shaft is arranged on the support and matched with the pin joint hole, the connecting end is connected with the switching key, the swing rod end extends into the inner ring of the roller, and when the switching key is pressed, the connecting end lifts up along with the up-and-down movement of the switching key to enable the swing rod end to be tightly attached to or far away from the inner ring wall of the roller.

3. The switchable roller rotational degree of freedom encoder assembly of claim 2, wherein: the switching key comprises a sliding claw sleeve, a button and a guide seat, the sliding claw sleeve is fixed on the support, the button is nested in the sliding claw sleeve, a button gear is arranged at the bottom of the button, a sliding claw sleeve gear is arranged at the bottom of the sliding claw sleeve, a small gear matched with the button gear and a large gear matched with the sliding claw sleeve gear are arranged on the guide seat, a first reset spring is sleeved on the guide seat, a second reset spring is arranged in the guide seat bottom, a push rod is sleeved at the bottom of the second reset spring, and the push rod is connected to the connecting end of the pinch roller component.

4. The switchable roller rotational degree of freedom encoder assembly of claim 3, wherein: the switching key further comprises a guide groove with a baffle, the guide groove is fixed on the support through the baffle, and the sliding claw is sleeved on the guide groove in an embedded mode.

5. The switchable roller rotational degree of freedom encoder assembly of claim 3, wherein: the button and the sliding claw sleeve are of cylindrical structures, an outer side convex strip is arranged at the bottom of the outer side of the button, an inner side convex strip is arranged at the top of the inner side of the sliding claw sleeve, and the inner side convex strip and the outer side convex strip are arranged at intervals.

6. The switchable roller rotational degree of freedom encoder assembly of claim 3, wherein: the guide seat is internally provided with a through hole, the push rod penetrates through the through hole and can move up and down in the through hole, and the top end of the push rod is provided with a push rod bulge with the diameter larger than that of the through hole.

7. The switchable roller rotational degree of freedom encoder assembly of claim 2, wherein: the encoder module comprises a fixing frame, a coding turntable and a PCB, wherein a light pair pipe assembly composed of a light emitting element and a photosensitive element is arranged on a patch on the PCB, the coding turntable is a hollow ring cover made of opaque materials, the coding turntable is inserted into the roller through the rotating shaft, a light path switch is arranged on the outer ring wall of the coding turntable, and when the light path switch on the coding turntable rotates to the light path of the light pair pipe, the photosensitive element can receive light emitted by the light emitting element.

8. The switchable roller rotational degree of freedom encoder assembly of claim 7, wherein: the light path switch is an optical through hole formed in the outer ring wall of the coding turntable, and the outer ring wall of the coding turntable is located between the light-emitting element and the photosensitive element.

9. The switchable roller rotational degree of freedom encoder assembly of claim 7, wherein: and the PCB is provided with LED lamp beads in an attaching manner.