CN212209314U

CN212209314U - Roller control switch

Info

Publication number: CN212209314U
Application number: CN202020705614.0U
Authority: CN
Inventors: 王振兴; 刘曹阳; 陈进; 田涛
Original assignee: Lisheng Automotive Technology Suzhou Co Ltd
Current assignee: Lisheng Automotive Technology Suzhou Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-22
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a roller control switch, which comprises a base, a rotating shaft component, a roller, a press switch and an optical coupler, wherein the press switch and the optical coupler are arranged on the base; the base comprises a first rotating shaft frame and a second rotating shaft frame which are arranged at intervals; the rotating shaft assembly comprises a driving shaft, an installation frame rotatably connected with the first rotating shaft frame and a driven shaft rotatably connected with the second rotating shaft frame, the driven shaft is movably connected with the installation frame, one end of the driving shaft is connected with the idler wheel, and the other end of the driving shaft is rotatably connected with the installation frame; the optical coupler detects the rotation of the driving shaft; the press switch is arranged corresponding to the driven shaft, and the roller is stirred to drive the driven shaft to press the press switch. The utility model discloses extending that gyro wheel control switch's gyro wheel can be convenient is outside the shell, and is more convenient, comfortable during the operation, is difficult for the spurious triggering other functions.

Description

Roller control switch

Technical Field

The utility model relates to a control switch, in particular to gyro wheel control switch.

Background

Along with the development of automobile technology, people pay more and more attention to the comfort of automobile control, for each item function of conveniently navigating mate control automobile, compromise the security of controlling the switch in the driving process simultaneously, more and more control switches have been set up on the steering wheel of automobile, make the staff need not to break away from the steering wheel and can realize a large amount of control functions.

Since the car has various functions and the space on the steering wheel is limited, one control switch structure is often required to implement various functional controls. For example, chinese utility model patent application No. 201611153534.3 discloses a roller motion recognition device, it includes the gyro wheel, follow gyro wheel pivoted roll axis and set up the pivot gear characteristic part at the similar spline of roll axis one end, pivot gear characteristic part department still is provided with detects its pivoted photoelectric sensor, after the roll member rotates, can drive pivot gear characteristic part and trigger photoelectric sensor and realize function control, and simultaneously, this gyro wheel below is provided with micro-gap switch, make the device can realize more function control through pushing down the gyro wheel.

However, the roller control switch in the prior art includes the roller motion recognition device disclosed in the above patent, and the rolling shaft thereof is supported at both ends, so that the roller can only be buried in the housing, and only part of the roller is exposed to the outside.

In addition, the technical scheme in the patent document still has certain defects, firstly, because only part of the outer surface of the roller is exposed out of the shell, the exposed part can be shifted by fingers to carry out the operation of shifting the roller to rotate or pressing the roller when in use, when the shifting roller rotates, the roller is driven to rotate mainly by the friction force between the fingers and the surface of the roller, the operation of the roller is difficult to grasp, and the operation is inconvenient; secondly, the roller is very easy to press down while the roller is turned, so that other functions are triggered accidentally, especially under the condition that the roller is clamped by a supporting elastic sheet, the rotation resistance of the roller is greatly increased, a human hand can only apply larger force for driving the roller to rotate, and the possibility that the roller is pressed down is greatly increased; in addition, because the micro-gap switch sets up in the gyro wheel below, and micro-gap switch's stroke is limited, and it has restricted the distance that triggers micro-gap switch and need push down for less push down the range can trigger micro-gap switch, leads to the operation to feel not good enough, has further aggravated the possibility of pushing down micro-gap switch when rotating the gyro wheel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned defect among the prior art, provide a gyro wheel control switch, the shell outside can be extended to the at least one end of its gyro wheel, and can realize multiple control function.

In order to achieve the purpose of the utility model, the utility model provides a roller control switch, which comprises a base, a rotating shaft component, a roller, a press switch and an optical coupler, wherein the press switch and the optical coupler are arranged on the base; the base comprises a first rotating shaft frame and a second rotating shaft frame which are arranged at intervals; the rotating shaft assembly comprises a driving shaft, an installation frame rotatably connected with the first rotating shaft frame and a driven shaft rotatably connected with the second rotating shaft frame, the driven shaft is movably connected with the installation frame, one end of the driving shaft is connected with the idler wheel, and the other end of the driving shaft is rotatably connected with the installation frame; the optical coupler detects the rotation of the driving shaft; the press switch is arranged corresponding to the driven shaft, and the roller is stirred to drive the driven shaft to press the press switch.

Furthermore, the utility model discloses still provide following subsidiary technical scheme:

the mounting bracket is provided with an elongated slot, and the driven shaft is provided with a third rotating shaft matched and connected in the elongated slot.

The roller control switch further comprises a belt gear connected to the driving shaft, the belt gear comprises a plurality of convex shading teeth, and the shading teeth extend to a position between the emitting electrode and the receiving electrode of the optical coupler.

The gear is provided with a plurality of grooves arranged at intervals, the roller control switch further comprises an elastic rod connected to the mounting rack, the elastic rod comprises two symmetrically arranged arms, the gear is clamped by the two arms, and the arms are provided with protruding rod parts matched with the grooves.

The grooves are arc-shaped grooves, and the grooves are in transition through arc parts.

The mounting bracket is provided with a cavity facing the optical coupler opening, and the belt gear is arranged in the cavity.

The mounting frame is provided with a long groove and through holes positioned at two ends of the long groove, the elastic rod comprises a cross rod part arranged in the long groove, and the arm part is connected with the cross rod part and extends into the cavity through the through holes.

The mounting bracket further comprises a clamping groove communicated with the long groove and a buckle extending to the upper side of the clamping groove, and the elastic rod comprises a clamping portion clamped in the clamping groove.

First pivot hole has been seted up to first pivot frame, the mounting bracket be provided with the first pivot that first pivot hole matches and connects.

The second rotating shaft frame is provided with a second rotating shaft hole, and the driven shaft is provided with a second rotating shaft matched and connected with the second rotating shaft hole.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a gyro wheel control switch is provided with the base, the driving shaft, the driven shaft and mounting bracket, the driving shaft is rotatable to be connected on the first pivot frame on the base, the driven shaft is rotatable to be connected on the second pivot frame on the base, and driven shaft and mounting bracket swing joint, make can trigger the sensing signal of opto-coupler and press the switch respectively when rotating and pressing the gyro wheel, realize the diversification of control switch function, simultaneously, above-mentioned structure makes the gyro wheel form the structure of cantilever, its tip or whole all can conveniently extend the outside of steering wheel or other part casings, make the whole outer peripheral face that can contact the gyro wheel when the gyro wheel is controlled to the staff, be difficult for accidental push down the gyro wheel when rotating the gyro wheel, the operation is more;

2. in the utility model, the stroke required by the pressing roller can be controlled by controlling the distance from the roller to the first rotating shaft, so that when the pressing roller triggers the press switch, the deflection angle of the roller can be larger, the operation feeling is more obvious, and the possibility of false triggering is further reduced;

3. the utility model discloses in, use the elastic rod to come the tight belt gear of clamp, produce the vibration feedback when rotating the gyro wheel, the elastic rod can be through the metal pole shaping of bending, simple structure, and processing is convenient, and the cost is more cheap.

Drawings

Fig. 1 is a front view of the roller control switch of the present invention.

Fig. 2 is a schematic structural diagram of the base of the present invention.

Fig. 3 is a schematic structural view of the middle roller and the rotating shaft assembly of the present invention.

Fig. 4 is a schematic structural diagram of the roller control switch of the present invention.

Fig. 5 is a schematic structural diagram of the mounting rack of the present invention.

Fig. 6 is a schematic diagram of the position of the belt gear and the optical coupler in the present invention.

Fig. 7 is a schematic diagram of the positions of the mounting bracket and the toothed wheel in the present invention.

Fig. 8 is a schematic structural view of the elastic rod of the present invention.

Fig. 9 is a schematic view of the connection between the elastic rod and the mounting frame of the present invention.

Fig. 10 is a schematic view of the connection between the elastic rod and the toothed wheel according to the present invention.

Fig. 11 is a schematic view of the case of the present invention in which the rollers are all located outside the case.

Fig. 12 is a schematic view of the roller portion of the present invention located outside the housing.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.

As shown in fig. 1, the roller control switch according to a preferred embodiment of the present invention includes a base 1, the base 1 includes an upper housing 10 and a lower housing 11 that are connected by a snap-fit, and the roller control switch further includes a circuit board 2 fixed between the upper housing 10 and the lower housing 11.

The base 1 is further provided with a first rotating shaft frame group 12 and a second rotating shaft frame group 13 which protrude upwards. With further reference to fig. 2, the first shaft bracket set 12 is provided with two first shaft brackets 120 oppositely arranged, and the two first shaft brackets 120 are provided with first shaft holes 121 coaxially arranged; the second rotating shaft frame group 13 has a similar structure to the first rotating shaft frame group 12, and includes two second rotating shaft frames 130 arranged oppositely, and the two second rotating shaft frames 130 are provided with second rotating shaft holes 131 arranged coaxially. The axes of the first and

second spindle holes

121 and 131 are parallel.

The roller control switch further includes a shaft assembly 3, as shown in fig. 3 and 4, the shaft assembly 3 includes a mounting bracket 30 rotatably connected to the first shaft bracket group 12, a driving shaft 31 rotatably connected to the mounting bracket 30, and a driven shaft 32 rotatably connected to the second shaft bracket group 13.

As shown in fig. 5, the mounting bracket 30 includes a bracket body 300 and two first rotating shafts 301 respectively disposed at two sides of the bracket body 300, and the two first rotating shafts 301 are respectively coupled in the two first rotating shaft holes 121 of the first rotating shaft bracket group 12, so that the mounting bracket 30 can rotate around the axis of the first rotating shaft 301. One end of the frame body 300 is further provided with an elongated slot 302, and preferably, the bottom of the elongated slot 302 is a semicircular hole 302 a.

The driven shaft 32 includes a shaft body 320, a second rotating shaft 321 and a third rotating shaft 322 which are disposed on the shaft body 320 and are parallel to each other, and two ends of the second rotating shaft 321 and two ends of the third rotating shaft 322 are respectively located at two sides of the shaft body 320. The second rotating shaft 321 is disposed at a position of the shaft body 320 near the middle, is coupled to the two second rotating shaft holes 131 of the second rotating shaft frame group 13, and can rotate around the axis of the second rotating shaft 321; the third shaft 322 is disposed near the end of the shaft 320 and is coupled to the elongated slot 302 of the frame 300. in this embodiment, two convex plates 300a are disposed on the frame 300, and the elongated slot 302 is disposed on the convex plates 300 a.

As shown in fig. 3, one end of the driving shaft 31 is connected with the roller 4, and the other end is rotatably connected with the frame 300, specifically, a shaft hole 303 is formed on the frame 300, and the driving shaft 31 is coupled in the shaft hole 303. The roller 4 is fixedly connected with the driving shaft 31, and the driving shaft 31 can be driven to rotate after the roller 4 is rotated; pressing the roller 4 downwards can drive the frame 300 to rotate around the first rotating shaft 301, and drive the driven shaft 32 to rotate around the second rotating shaft 321, so that the end of the driven shaft 32 provided with the third rotating shaft 322 is tilted, and the other end (the end 32a) moves downwards.

A push switch 5 electrically connected to the circuit board 2 is fixed to the base 1, and the push switch 5 may be, for example, a conductive adhesive button or a microswitch. The push switch 5 is provided below the end 32a of the driven shaft 32 and can abut against the end 32 a. When the end 32a moves downwards, the push switch 5 is pushed down to trigger, so that the sensing signal can be transmitted to the circuit board 2, and the chip on the circuit board 2 can send out a corresponding control command according to the sensing signal. After the roller 4 loses pressure, the push switch 5 can restore to deform after losing pressure due to the elasticity of the push switch itself, so that the push switch can push the driven shaft 32 to reset, and further the roller 4 resets.

As shown in fig. 6, a gear 6 is connected to the drive shaft 31, and the gear 6 is fixed to the drive shaft 31 so as to be rotatable in synchronization with the drive shaft 31. The belt gear 6 comprises a first gear part 60 and a second gear part 61, the first gear part 60 is provided with a plurality of convex shading teeth 600, and preferably, the shading teeth 600 are uniformly distributed on the first gear part 60 by taking the axis of the belt gear 6 as the center. A plurality of grooves 610 are formed in the second wheel portion 61, preferably, the grooves 610 are arc-shaped grooves, the grooves 610 are in transition through arc portions 611, and preferably, the grooves 610 are uniformly distributed on the second wheel portion 61 by taking the axis of the gear 6 as the center.

Continuing to refer to fig. 6, an optical coupler 7 electrically connected to the circuit board 2 is further fixed on the base 1, the optical coupler 7 includes an emitter 70 and a receiver 71 which are oppositely disposed, the light blocking tooth 600 extends to exceed the outer periphery of the second wheel portion 61 and extends to a position between the emitter 70 and the receiver 71, when the light blocking tooth 600 rotates, light between the emitter 70 and the receiver 71 can be intermittently blocked, so that the optical coupler 7 senses a signal and transmits the sensed signal to the circuit board 2, and a chip on the circuit board 2 sends a corresponding control instruction according to the sensed signal. Preferably, the diameter of the first wheel portion 60 is larger than the diameter of the second wheel portion 61, so that the light-shielding teeth 600 can certainly exceed the outer circumference of the second wheel portion 61.

Since the roller 4 is attached to one end of the driving shaft 31 in the above-described structure to form a cantilever-like structure so that the roller 4 can be wholly or partially protruded to the outside of the housing 100 of the steering wheel or other components, referring to fig. 11 and 12, fig. 11 shows a state where the roller 4 is wholly positioned outside the housing 100, and fig. 12 shows a state where one end of the roller 4 is protruded out of the housing 100. The staff is when rotating gyro wheel 4, can with the whole outer peripheral face contact of gyro wheel 4 (generally speaking, during the rotation, 4 outer peripheral faces of gyro wheel are held between the fingers to a plurality of fingers, the directional palm of the hand of 4 axes of gyro wheel), therefore can more reliable exert the turning force to gyro wheel 4, press down push switch 5 by accident not easily, lead to the unexpected trigger of function, it is more convenient to use. Meanwhile, the driving shaft 31 in the above structure forms a lever structure through the first rotating shaft 301, so that the required pressing amplitude when the roller 4 triggers the press switch can be adjusted by controlling the distance between the roller 4 and the first rotating shaft 301, specifically, the farther the distance between the roller 4 and the first rotating shaft 301 is, the larger the amplitude when the roller 4 needs to be pressed is, therefore, the press switch 5 cannot be accidentally triggered due to the tiny swing of the roller 4 when the roller 4 is rotated, the capability of preventing false triggering can be further improved, the pressing amplitude can be controlled within a proper range, and better operation experience can be obtained.

Further, in order to reduce the space occupied by the gear 60 and make the overall structure more compact, in the present embodiment, the gear 60 is disposed in the frame body 300. Specifically, as shown in fig. 7, the frame 300 has a cavity 304, the cavity 304 is open downward for the light-shielding tooth 600 to extend out, and a top plate 305 of the frame 300 is disposed above the cavity.

As shown in fig. 8 and 9, the roller control switch further includes an elastic rod 8 connected to the frame body 300, the elastic rod 8 is substantially U-shaped and includes a cross rod 80 and arm parts 81 symmetrically disposed at both sides of the cross rod 80, and the arm parts 81 extend downward from the cross rod 80.

The horizontal rod portion 80 is provided with a horizontally extending U-shaped clamping portion 800, the top plate 305 of the frame body 300 is provided with an installation groove 306 and two through holes 307 respectively located at two sides of the installation groove 306, and meanwhile, the top plate 305 is further provided with a clamping groove 308 vertically communicated with the installation groove 306 and one or more clamping buckles 309 extending to the upper side of the clamping groove 308. When the mounting device is installed, the clip portion 800 is clipped into the clip groove 308 by the clip 309, the cross bar portion 80 is located in the mounting groove 306 and supported by the bottom surface 306a of the mounting groove 306, and the two arm portions 81 are inserted into the through hole 307 and extend into the cavity 304.

As shown in fig. 10, the two arm portions 81 are located on both sides of the second wheel portion 61, respectively, and clamp the second wheel portion 61. An inwardly projecting lug 810 is also provided on the arm 81 to mate with the groove 610. preferably, the lug 810 is shaped to conform to the groove 610. the lug 810 can fit into the groove 610. that is, the lug 810 is configured in an arc shape to mate with the groove 610. When the roller 4 is rotated, the protruding rod part 810 can give the roller 4 certain rotation resistance, and the arm part 81 can vibrate intermittently along with the rotation of the roller 4, so that better rotation feedback is given to a human hand, and the operation hand feeling is better. In addition, the elastic rod 8 can be formed by bending a metal rod, so that the cost is low and the manufacturing is convenient.

The utility model discloses a gyro wheel control switch possesses following advantage at least:

It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A roller control switch is characterized by comprising a base (1), a rotating shaft assembly (3), a roller (4), a press switch (5) and an optical coupler (7), wherein the press switch and the optical coupler are installed on the base (1); the base (1) comprises a first rotating shaft frame (120) and a second rotating shaft frame (130) which are arranged at intervals; the rotating shaft assembly (3) comprises a driving shaft (31), an installation frame (30) rotatably connected with the first rotating shaft frame (120) and a driven shaft (32) rotatably connected with the second rotating shaft frame (130), the driven shaft (32) is movably connected with the installation frame (30), one end of the driving shaft (31) is connected with the roller (4), and the other end of the driving shaft (31) is rotatably connected with the installation frame (30); the optical coupler (7) detects the rotation of the driving shaft (31); the press switch (5) and the driven shaft (32) are correspondingly arranged, and the roller (4) is stirred to drive the driven shaft (32) to press the press switch (5).

2. The roller control switch of claim 1, wherein: an elongated slot (302) is formed in the mounting frame (30), and a third rotating shaft (322) matched and connected in the elongated slot (302) is arranged on the driven shaft (32).

3. The roller control switch of claim 1, wherein: the light coupler also comprises a belt gear (6) connected to the driving shaft (31), wherein the belt gear (6) comprises a plurality of convex shading teeth (600), and the shading teeth (600) extend to the position between an emitting electrode (70) and a receiving electrode (71) of the light coupler (7).

4. The roller control switch of claim 3, wherein: the utility model discloses a take gear (6) to set up recess (610) that a plurality of intervals set up, roller control switch still including connect in elastic rod (8) on mounting bracket (30), elastic rod (8) include arm (81) that two symmetries set up, two arm (81) are carried take gear (6), just arm (81) be provided with recess (610) join in marriage protruding pole portion (810) that connects.

5. The roller control switch of claim 4, wherein: the grooves (610) are arc-shaped grooves, and the grooves (610) are transited through arc parts (611).

6. A roller control switch according to claim 4 or 5, wherein: the mounting rack (30) is provided with a cavity (304) which is opened towards the optical coupler (7), and the belt gear (6) is arranged in the cavity (304).

7. The roller control switch of claim 6, wherein: the mounting frame (30) is provided with a long groove (302) and through holes (307) located at two ends of the long groove (302), the elastic rod (8) comprises a cross rod part (80) arranged in the long groove (302), and the arm part (81) is connected with the cross rod part (80) and extends into the cavity (304) through the through holes (307).

8. The roller control switch of claim 7, wherein: the mounting frame (30) further comprises a clamping groove (308) communicated with the long groove (302) and a buckle (309) extending above the clamping groove (308), and the elastic rod (8) comprises a clamping portion (800) clamped in the clamping groove (308).

9. A roller control switch according to any one of claims 1 to 5, wherein: first pivot hole (121) have been seted up in first pivot frame (120), mounting bracket (30) be provided with first pivot (301) that join in marriage and connect in first pivot hole (121).

10. The roller control switch of claim 9, wherein: the second rotating shaft frame (130) is provided with a second rotating shaft hole (131), and the driven shaft (32) is provided with a second rotating shaft (321) matched and connected with the second rotating shaft hole (131).