Steering wheel roller switch assembly

Abstract

The utility model discloses a steering wheel roller switch assembly, including: a housing; a rolling component, including a roller and a transmission shaft, the roller is arranged on the transmission shaft, and the transmission shaft is arranged in the housing; a transmission component, including: a first transmission gear, a second transmission gear and a third transmission gear arranged in mesh with each other, the first transmission gear is arranged at one end of the transmission shaft, the second transmission gear is arranged between the third transmission gear and the first transmission gear, and the third transmission gear is provided with an output shaft; a control component, including: a bottom plate, a PCB and a sensor, the bottom plate is arranged in the housing, the PCB is arranged on the bottom plate, and the sensor is arranged on the PCB. The utility model is beneficial in that a three-stage gear transmission is arranged to realize multiple angular velocity outputs and multiple functions, with a compact structure, high integration, and easy use.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to a steering wheel roller switch assembly. Background Art

[0002] As an important symbol of improved living standards, cars have gradually entered thousands of households. With the continuous innovation of the automotive industry, in order to reduce the occupied space, the control switch is designed on the steering wheel. Most of the control switches are roller-type, including a roller, a bracket, an encoder and a circuit board. The direction and position of the roller are sensed by the encoder. For example, the utility model patent with the authorization announcement number CN212380387U discloses a multi-function steering wheel switch assembly for an automobile. The encoder is set to sense the rolling position and angle of the roller. The encoder needs to be installed on the PCB, and a large PCB is also required to control the overall movement of the switch. It can only output simple rotation signals, and other buttons are required to cooperate. The structure is complex and occupies a large space. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a steering wheel roller switch assembly, which realizes stepless transmission, has a simple structure, high integration, compact structure, small space occupation, reduces dial buttons, and is easy to use.

[0004] Specifically, the utility model discloses a steering wheel roller switch assembly, comprising:

[0005] case;

[0006] A rolling assembly, comprising a roller and a transmission shaft, wherein the roller is arranged on the transmission shaft, and the transmission shaft is arranged in a housing;

[0007] The transmission assembly comprises: a first transmission gear, a second transmission gear and a third transmission gear which are meshed with each other, wherein the first transmission gear is arranged at one end of the transmission shaft, the second transmission gear is arranged between the third transmission gear and the first transmission gear, and the third transmission gear is provided with an output shaft;

[0008] The control component comprises: a bottom plate, a PCB and a sensing element, wherein the bottom plate is arranged in the shell, the PCB is arranged on the bottom plate, and the sensing element is arranged on the PCB.

[0009] The advantage of adopting the above technical solution is that a three-stage gear transmission is provided to achieve multiple angular velocity outputs and multiple functions, with a compact structure, high integration, and easy use.

[0010] Furthermore, an induction wheel is arranged on the output shaft, the induction wheel is provided with induction teeth arranged at intervals, and the induction element is arranged on the side of the induction wheel.

[0011] The benefit of adopting the above technical solution is that the setting of the induction wheel is used to match the position of the induction tooth with the induction part, so as to obtain the forward and reverse rolling of the roller, and output different signals when rolling at different speeds, thereby realizing different functional outputs, reducing the design of buttons and making the overall shape smaller.

[0012] Furthermore, the shell is provided with a accommodating cavity, the roller is arranged in the accommodating cavity, a support is provided on the side of the accommodating cavity, and the transmission shaft passes through the support.

[0013] The benefit of adopting the above technical solution is that the transmission shaft is used to support the rotation of the roller and transmit the rotation of the roller to the gear. The setting of the accommodating cavity covers the roller, reducing the exposed area of ​​the roller, which does not affect the use and ensures the feel of use.

[0014] Furthermore, the transmission shaft is connected to a support body, the support body is fixedly arranged in the shell, and the roller is rotatably arranged outside the support body.

[0015] The advantage of adopting the above technical solution is that the setting of the support body plays a supporting role. During the process of turning the roller, the roller will not be deformed due to pressing, etc. During long-term use, deformation will occur, affecting the service life of the roller.

[0016] Furthermore, the housing is provided with a support plate, and the output shaft is rotatably arranged through the support plate.

[0017] The benefit of adopting the above technical solution is that the support plate plays a supporting role, and the output shaft is installed through the support plate, so that the output shaft can rotate with the roller.

[0018] Furthermore, the sensing element is an optical coupling sensor, which is located on both sides of the sensing wheel.

[0019] The benefit of adopting the above technical solution is that the optical coupling sensor is used to sense the rotation direction, rotation speed, etc. of the induction wheel, and output different signals to the PCB to realize different functions.

[0020] Furthermore, the transmission shaft sleeve is provided with a rolling element, the outer side of the rolling element is in contact with and supported by the roller, the rolling element is provided with a strip protrusion axially along the transmission shaft, and the inner side of the roller is provided with a strip groove matching the strip protrusion.

[0021] The benefit of adopting the above technical solution is that the setting of the rolling element plays a fixing role, and a strip-shaped protrusion is set on the outside to cooperate with the roller, so that when the roller rotates, it drives the rolling element and the transmission shaft to rotate, preventing the roller from idling.

[0022] Furthermore, an elastic block is arranged on the side of the support body, and the elastic block extends out from the side of the support body. The side of the rolling element is provided with arc-shaped protrusions arranged at intervals, and the elastic block is arranged in contact with the arc-shaped protrusions.

[0023] The benefit of adopting the above technical solution is that, during the rotation of the roller, the elastic block provides a certain resistance to the rolling of the rolling element, so that the rolling feel of the roller is better.

[0024] Furthermore, the second transmission gear is connected to a gear shaft, a fixing portion is provided at the end of the gear shaft, the fixing portion includes symmetrically arranged fixing feet, a clamping block is provided on the outer side of the fixing feet, and the shell is provided with a mounting hole for the fixing feet to pass through.

[0025] The benefit of adopting the above technical solution is that the fixing part is configured to fix the second transmission gear, and the second transmission gear is connected by a clamping block. When replacement is needed, it is only necessary to apply inward pressure to the clamping block, and then the gear shaft can be removed from the side. Replacement is convenient and can be achieved without disassembling other components.

[0026] Furthermore, the output shaft is arranged below the roller.

[0027] The advantage of adopting the above technical solution is that the output shaft is arranged on the lower side of the roller, and the PCB and the sensor are also located on the lower side of the roller, which can reduce the occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required to be used in the embodiments or the description of the prior art will be briefly introduced below.

[0029] Figure 1 This is a schematic diagram of the overall structure of the steering wheel roller switch assembly of the utility model.

[0030] Figure 2 This is a cross-sectional schematic diagram of the steering wheel roller switch assembly of the utility model.

[0031] Figure 3 This is a schematic diagram of the matching structure of the transmission shaft, support body and rolling element of the utility model.

[0032] Figure 4 This is a schematic diagram of the rolling structure of the utility model

[0033] Figure 5 It is a schematic diagram of the structure of the second transmission gear of the utility model.

[0034] The reference numerals in the accompanying drawings are as follows:

[0035] Shell 1; support 11; roller 2; strip groove 21; transmission shaft 3; support body 31; rolling element 32; strip protrusion 33; elastic block 34; first transmission gear 4; second transmission gear 5; gear shaft 51; fixed foot 52; third transmission gear 6; output shaft 61; induction wheel 62; bottom plate 7; PCB 71; induction element 72. DETAILED DESCRIPTION

[0036] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0037] like Figure 1-5 The utility model discloses a steering wheel roller switch assembly, comprising:

[0038] Shell 1;

[0039] The rolling assembly comprises a roller 2 and a transmission shaft 3, wherein the roller 2 is arranged on the transmission shaft 3, and the transmission shaft 3 is arranged in the housing 1;

[0040] The transmission assembly comprises: a first transmission gear 4, a second transmission gear 5 and a third transmission gear 6 which are meshed with each other, wherein the first transmission gear 4 is arranged at one end of the transmission shaft 3, the second transmission gear 5 is arranged between the third transmission gear 6 and the first transmission gear 4, and the third transmission gear 6 is provided with an output shaft 61;

[0041] The control component includes: a bottom plate 7, a PCB 71 and a sensing element 72, wherein the bottom plate 7 is arranged in the housing 1, the PCB 71 is arranged on the bottom plate 7, and the sensing element 72 is arranged on the PCB 71.

[0042] The benefit of adopting the above technical solution is that a three-stage gear transmission is set up to achieve multiple angular velocity outputs and multiple functions. It has a compact structure, high integration, and is easy to use. Multiple parameters are provided according to the rotation rate, acceleration, and angle of the roller 2 and transmitted to PCB71 so that PCB71 can output multiple functions according to the multiple parameters.

[0043] In some embodiments, the output shaft 61 can adopt the following structural scheme, wherein a sensing wheel 62 is provided on the output shaft 61, and the sensing wheel 62 is provided with sensing teeth arranged at intervals, and the sensing element 72 is arranged on the side of the sensing wheel 62, and the sensing element 72 is an optical coupling sensor, which is located on both sides of the sensing wheel 62, and the optical coupling sensor has a transmitting end and a receiving end, and the transmitting end transmits a light signal, which passes through the rotating sensing wheel 62, through the shielding and light transmission of the sensing wheel 62, and then the receiving end receives the light signal, converts it into an electrical signal and sends it to PCB71, converts the rotation direction, rotation speed, etc. of the roller 2 into different signal outputs, and outputs different signals to PCB71 to realize different functions and control different functions.

[0044] The benefit of adopting the above technical solution is that the setting of the induction wheel 62 is used to match the position of the induction member 72 with the induction tooth, so as to obtain the forward and reverse rolling of the roller 2, and output different signals when rolling at different speeds, thereby realizing different functional outputs, reducing the design of buttons and making the overall shape smaller.

[0045] In some embodiments, the housing 1 may adopt the following structural scheme: the housing 1 is provided with a receiving cavity, the roller 2 is arranged in the receiving cavity, a support 11 is arranged on the side of the receiving cavity, and the transmission shaft 3 passes through the support 11. The housing 1 is also provided with a mounting groove on the side, and the mounting groove can be snapped into the steering wheel of the car to fix the housing 1.

[0046] The benefit of adopting the above technical solution is that the transmission shaft 3 is used to support the rotation of the roller 2 and transmit the rotation of the roller 2 to the gear. The setting of the accommodating cavity covers the roller 2, reducing the exposed area of ​​the roller 2, which does not affect the use and ensures the feel of use.

[0047] In some embodiments, the transmission shaft 3 can adopt the following structural scheme, the transmission shaft 3 is connected to a support body 31, the support body 31 is fixedly arranged in the shell 1, the roller 2 is rollingly arranged on the outside of the support body 31, the support body 31 is a cylinder, and a groove is opened on the side, which reduces the weight without reducing the hardness of the support body 31, the transmission shaft 3 is inserted into the support body 31, the transmission shaft 3 rotates in the support body 31, the support body 31 is fixedly arranged and does not rotate, and the roller 2 drives the transmission shaft 3 to rotate when rolling.

[0048] The advantage of adopting the above technical solution is that the support body 31 plays a supporting role. During the process of moving the roller 2, the roller 2 will not be deformed due to pressing, etc. During long-term use, deformation will occur, affecting the service life of the roller 2.

[0049] In some embodiments, the shell 1 may adopt the following structural scheme: the shell 1 is provided with a support plate, the output shaft 61 passes through the support plate and is rotatably arranged, and the output shaft 61 is arranged below the roller 2.

[0050] The benefit of adopting the above technical solution is that the support plate plays a supporting role, and the output shaft 61 is installed through the support plate so that the output shaft 61 can rotate with the roller 2. The output shaft 61 is arranged on the lower side of the roller 2, and the PCB 71 and the sensor 72 are also located on the lower side of the roller 2, which can reduce the occupied space.

[0051] In some embodiments, the transmission shaft 3 can adopt the following structural scheme, the transmission shaft 3 is sleeved with a rolling member 32, the rolling member 32 is arranged on the side of the support body 31, and is fixedly connected to the transmission shaft 3, the outer side of the rolling member 32 is in contact with and supported by the roller 2, the rolling member 32 is provided with a strip protrusion 33 along the axial direction of the transmission shaft 3, and the inner side of the roller 2 is provided with a strip groove 21 that cooperates with the strip protrusion 33; an elastic block 34 is provided on the side of the support body 31, the elastic block 34 extends from the side of the support body 31, and expands and contracts along the axial direction of the transmission shaft 3, the side of the rolling member 32 is provided with arc-shaped protrusions arranged at intervals, and the elastic block 34 is provided in contact with the arc-shaped protrusions.

[0052] The benefit of adopting the above technical solution is that the setting of the rolling element 32 plays a fixing role, and a strip protrusion 33 is set on the outside to cooperate with the roller 2, so that when the roller 2 rotates, the rolling element 32 and the transmission shaft 3 are driven to rotate, thereby preventing the roller 2 from idling. During the rotation of the roller 2, the elastic block 34 provides a certain resistance to the rolling of the rolling element 32, so that the rolling feel of the roller 2 is better.

[0053] In some embodiments, the second transmission gear 5 can adopt the following structural scheme, the second transmission gear 5 is connected to a gear shaft 51, the end of the gear shaft 51 is provided with a fixing portion, the fixing portion includes symmetrically arranged fixing feet 52, which have a certain elasticity, a clamping block is provided on the outer side of the fixing feet 52, and the housing 1 is provided with a mounting hole for the fixing feet 52 to pass through.

[0054] The advantage of adopting the above technical solution is that the fixing portion is configured to fix the second transmission gear 5, and the second transmission gear 5 is connected by a snap-in block. When replacement is required, it is only necessary to apply inward pressure to the snap-in block, and then the gear shaft 51 can be removed from the side, which is convenient for replacement and can be achieved without disassembling other components.

[0055] For ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the utility model, which all fall within the protection scope of the utility model.

Claims

1. A steering wheel roller switch assembly, characterized in that: include: Housing (1); A rolling assembly, comprising a roller (2) and a transmission shaft (3), wherein the roller (2) is arranged on the transmission shaft (3), and the transmission shaft (3) is arranged in a housing (1); A transmission assembly, comprising: a first transmission gear (4), a second transmission gear (5) and a third transmission gear (6) which are arranged to mesh with each other, wherein the first transmission gear (4) is arranged at one end of the transmission shaft (3), the second transmission gear (5) is arranged between the third transmission gear (6) and the first transmission gear (4), and the third transmission gear (6) is provided with an output shaft (61); The control component comprises: a base plate (7), a PCB (71) and a sensing element (72), wherein the base plate (7) is arranged in the housing (1), the PCB (71) is arranged on the base plate (7), and the sensing element (72) is arranged on the PCB (71).

2. The steering wheel roller switch assembly according to claim 1, characterized in that: The output shaft (61) is provided with an induction wheel (62), the induction wheel (62) is provided with induction teeth arranged at intervals, and the induction member (72) is arranged on the side of the induction wheel (62).

3. The steering wheel roller switch assembly according to claim 1, characterized in that: The housing (1) is provided with a receiving cavity, the roller (2) is arranged in the receiving cavity, a support (11) is provided on the side of the receiving cavity, and the transmission shaft (3) passes through the support (11).

4. The steering wheel roller switch assembly according to claim 1, characterized in that: The transmission shaft (3) is connected to a support body (31), the support body (31) is fixedly arranged in the housing (1), and the roller (2) is rollingly arranged outside the support body (31).

5. The steering wheel roller switch assembly according to claim 2, characterized in that: The housing (1) is provided with a support plate, and the output shaft (61) is rotatably arranged through the support plate.

6. The steering wheel roller switch according to claim 2, characterized in that: The sensing element (72) is a photocoupler sensor and is located on both sides of the sensing wheel (62).

7. The steering wheel roller switch assembly according to claim 4, characterized in that: The transmission shaft (3) is sleeved with a rolling element (32), the outer side of the rolling element (32) is in contact with and supported by the roller (2), the rolling element (32) is provided with a strip protrusion (33) along the axial direction of the transmission shaft (3), and the inner side of the roller (2) is provided with a strip groove (21) that cooperates with the strip protrusion (33).

8. The steering wheel roller switch assembly according to claim 7, characterized in that: An elastic block (34) is arranged on the side of the support body (31), and the elastic block (34) extends from the side of the support body (31). An arc-shaped protrusion arranged at intervals is arranged on the side of the rolling element (32), and the elastic block (34) is arranged in contact with the arc-shaped protrusion.

9. The steering wheel roller switch assembly according to claim 1, characterized in that: The second transmission gear (5) is connected to a gear shaft (51), the end of the gear shaft (51) is provided with a fixing portion, the fixing portion comprises symmetrically arranged fixing feet (52), the outer sides of the fixing feet (52) are provided with a clamping block, and the housing (1) is provided with a mounting hole for the fixing feet (52) to pass through.

10. The steering wheel roller switch assembly according to claim 2, characterized in that: The output shaft (61) is arranged below the roller (2).

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