CN221113787U - Combined switch assembly - Google Patents

Abstract

The utility model provides a combination switch assembly, which belongs to the technical field of vehicle combination switches and comprises: a base having a stator portion having an annular outer wall-like structure; the clock spring comprises a rotor part which is used for being connected with the steering wheel and rotating along with the rotation of the steering wheel, and the rotor part is rotatably arranged in the stator part and forms a shell of the clock spring; the beneficial effects of the utility model are as follows: the assembly structure for integrating the clock spring on the base of the combined switch is provided, the stator part of the clock spring is designed to be a part of the base, the matching property of the combined switch and the clock spring is greatly improved, the clock spring and the combined switch are skillfully combined into a whole, the modular development of the combined switch is facilitated, and errors are not easy to occur during installation.

Description

Combined switch assembly

Technical Field

The utility model belongs to the technical field of vehicle combined switches, and relates to a combined switch assembly.

Background

The combined switch assembly refers to a multifunctional component arranged on a steering column of a steering wheel of a vehicle, and comprises two controllable handles, and the combined switch assembly can control the functions of light, gear signals, wipers, washers, retarders, gear modes, horns and the like of the vehicle.

The multifunctional switch, the gasbag and the like of the automobile steering wheel are all arranged in the automobile steering wheel, and the electric parts are required to be connected to the outside through circuits, the circuits are wound on the steering shaft of the steering wheel in the rotating process of the steering wheel, the circuits are wound more tightly, and finally the circuits are damaged, so a clock spring is arranged below the steering wheel, and the clock spring is used for ensuring that the safety airbag of the steering wheel, the horn switch and other electric part switches on the steering wheel can work normally and stably when the steering wheel rotates leftwards or rightwards, and has the main functions of: 1. the electric signals transmitted from the front and side-mounted sensors of the automobile are transmitted to the gas generator of the steering wheel, so that the reliable transmission of the explosion signals of the safety air bag is realized; 2. transmitting electrical signals of control paths such as horns, other electrical component functions and the like on an automobile steering wheel; 3. the automatic return function of the steering switch on the combined switch assembly is realized.

The existing combination switch and the clock spring are two independent components, and the two components are usually required to be assembled together, for example, an utility model patent with the application number of CN201320505175.9 is named as a novel automobile combination switch, the clock spring is integrated in the combination switch, but the traditional clock spring is arranged on a base of the combination switch, and the clock spring and the base are separately designed, so that the integration level of the combination switch is not high, abnormal noise can be caused under the condition of low matching performance, the combination switch is unfavorable for modularized development, and errors are easy to occur during installation.

Disclosure of utility model

The present utility model is directed to a combination switch assembly that addresses the above-mentioned problems with the prior art.

The aim of the utility model can be achieved by the following technical scheme: a combination switch assembly, comprising:

A base having a stator portion having an annular outer wall-like structure;

The clock spring comprises a rotor part which is used for being connected with a steering wheel and rotating along with the rotation of the steering wheel, and the rotor part is rotatably arranged in the stator part and forms a shell of the clock spring.

Preferably, the clock spring further comprises a flexible flat wire harness, the flexible flat wire harness is arranged between the stator part and the rotor part in a spring shape, one end of the flexible flat wire harness is connected with the stator part, and the other end of the flexible flat wire harness is connected with the rotor part.

Preferably, the rotor part comprises a rotating ring and an annular end cover, the rotating ring is rotatably arranged in the stator part, the annular end cover is fixedly connected with the upper end of the rotating ring, and the annular end cover is provided with a connecting column used for being connected with a steering wheel.

Preferably, the base includes a lower housing, a middle housing, and an upper housing, the upper housing is detachably connected to the middle housing, the middle housing is detachably connected to the lower housing, and a part of the stator portion is located in the middle housing and another part is located in the upper housing.

Preferably, the base is provided with a circuit board, the circuit board is provided with at least one first hall sensor, be provided with outer ring gear and at least one first gear in the base, outer ring gear with rotor portion is connected and drive when rotor portion rotates outer ring gear rotates, first gear with outer ring gear meshing, first magnet steel is installed to first gear, and first magnet steel with hall sensor corresponds the setting from top to bottom.

Preferably, two first gears are arranged in the base, two first Hall sensors are arranged on the circuit board, the two first gears are meshed with the outer gear, and the first magnetic steels of the two first gears are respectively and correspondingly arranged with the two first Hall sensors.

Preferably, the outer gear ring is located below the stator portion, and the outer gear ring has a connection portion inserted into the central hole of the rotor portion, and the connection portion is fixedly connected with the rotor portion.

Preferably, the bottom of the stator part is provided with a rotating shaft, and the first gear is positioned below the stator part and is rotatably connected with the rotating shaft.

Preferably, the switch handles capable of swinging are arranged on two sides of the base.

Preferably, the switch handle comprises a front-back swinging bracket, the front-back swinging bracket is hinged with the base in a swinging way, the front-back swinging bracket is provided with an arc-shaped rack part taking a swinging fulcrum of the front-back swinging bracket as a circle center, the circuit board is provided with a second Hall sensor, a second gear is further arranged in the base, the second gear is meshed with the arc-shaped rack part, the second gear is provided with second magnetic steel, and the second magnetic steel and the second Hall sensor are correspondingly arranged up and down.

Compared with the prior art, the utility model has the beneficial effects that:

1. The assembly structure for integrating the clock spring on the base of the combined switch is provided, the stator part of the clock spring is designed to be a part of the base, the matching property of the combined switch and the clock spring is greatly improved, the clock spring and the combined switch are skillfully combined into a whole, the modular development of the combined switch is facilitated, and errors are not easy to occur during installation.

2. The rotating ring is positioned in the stator part, and can drive the outer gear ring to rotate when rotating, a gap is formed between the rotating ring and the stator part, the flexible flat wire harness is positioned between the gap, the annular end cover covers the upper part of the gap, and the annular end cover is detachably connected with the rotating ring, so that the assembly is convenient.

3. The rotor part is arranged on the middle shell, the rotor part is positioned in a part of the stator part, then the upper shell and the middle shell are assembled together, the other part of the stator part of the upper shell is buckled with the edge of the annular end cover of the rotor part, meanwhile, the assembly of the stator part is realized, and the assembly of the clock spring is completed in the assembly process of the combined switch base, so that the whole assembly process is simplified.

4. The combined switch assembly is only provided with the circuit board, the structure of the combined switch assembly is simplified, all circuit functions on the combined switch are integrated on the circuit board, the circuit board can realize the signal transmission function of two switch handles on the combined switch assembly, and besides the signal transmission function of the two switch handles on the combined switch assembly, the angle sensing function of the steering wheel can also be realized, so that the integration of the combined switch is greatly improved.

5. When the rotor part of clock spring is connected with the steering wheel, the steering wheel rotates and can drive the rotor part to rotate, and the outer gear can be driven to rotate when the rotor part rotates, and the outer gear rotates to enable the first gear and the first magnetic steel to rotate through meshing transmission, and the first hall sensor can sense the rotation angle of the first magnetic steel, so that corresponding signals are output, and the circuit board of the combined switch has the function of sensing the rotation angle of the steering wheel.

Drawings

FIG. 1 is a schematic diagram of a combination switch assembly of the present utility model in semi-section.

FIG. 2 is a schematic diagram of a combination switch assembly of the present utility model.

Fig. 3 is an exploded view of the combination switch assembly of the present utility model.

Fig. 4 is a schematic view of the combination switch assembly of the present utility model with the upper and middle housings removed.

Fig. 5 is a schematic diagram showing the connection relationship between the rotor portion and the outer ring gear according to the present utility model.

100, A base; 110. a lower housing; 120. a middle shell; 130. an upper housing; 140. an outer ring gear; 141. a connection part; 150. a first gear; 160. a second gear; 170. a circuit board; 200. a clock spring; 210. a stator part; 220. a rotor section; 221. a rotating ring; 222. an annular end cap; 223. a connecting column; 300. a switch handle; 310. a back and forth swinging bracket; 320. an arc-shaped rack part.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-5, a combination switch assembly comprising: the base 100 and Zhong Danhuang, 200, the base 100 has a stator portion 210 having an annular outer wall-like structure; the clock spring 200 includes a rotor portion 220 for connection with the steering wheel and rotation with the rotation of the steering wheel, and the rotor portion 220 is rotatably installed in the stator portion 210 and constitutes a housing of the clock spring 200.

The housing of the clock spring 200 is composed of two relatively rotatable parts, namely a stator part 210 and a rotor part 220, wherein the stator part 210 is designed as a part of the base 100, and the rotor part 220 is rotatably arranged in the stator part 210, so that the clock spring 200 and the combination switch are integrated together, the combination switch assembly is provided with the clock spring 200, the clock spring 200 and the base 100 are highly integrated together, and the subsequent installation links are omitted; in addition, the rotor portion 220 has a central hole through which the steering wheel spindle passes, the steering wheel is connected to the rotor portion 220, and the steering wheel rotates to drive the rotor portion 220 to rotate by the same angle.

The assembly structure for integrating the clock spring 200 on the combined switch base 100 is provided, the stator part 210 of the clock spring 200 is designed to be a part of the base 100, the matching property of the combined switch and the clock spring 200 is greatly improved, the two are skillfully combined into a whole, the modular development of the combined switch is facilitated, and errors are not easy to occur during installation.

In addition to the above embodiment, the clock spring 200 further includes a flexible flat harness (not shown in the drawings) that is disposed between the stator portion 210 and the rotor portion 220 in a spiral spring shape, and has one end connected to the stator portion 210 and the other end connected to the rotor portion 220.

The flexible flat harness, i.e., the flat cable, has a certain length and is provided in a spring shape, and drives the rotor part 220 to rotate when the steering wheel rotates, and is wound or unwound, thereby enabling the clock spring 200 to realize a basic rotational connection function.

As shown in fig. 1, 3 and 5, in the above embodiment, the rotor part 220 includes a rotating ring 221 and an annular end cover 222, the rotating ring 221 is rotatably installed in the stator part 210, the annular end cover 222 is fixedly connected to the upper end of the rotating ring 221, and the annular end cover 222 is provided with a connection post 223 for connecting with a steering wheel.

The rotor portion 220 is composed of a rotating ring 221 and an annular end cover 222, the rotating ring 221 and the annular end cover 222 are of annular structures, the rotating ring 221 is located in the stator portion 210, the rotating ring 221 can drive the outer gear ring 140 to rotate when rotating, a gap is formed between the rotating ring 221 and the stator portion 210, a flexible flat wire harness is located between the gap, the annular end cover 222 covers the upper portion of the gap, and the annular end cover 222 is detachably connected with the rotating ring 221, so that assembly is facilitated.

As shown in fig. 1 to 3, the base 100 includes the lower case 110, the middle case 120, and the upper case 130, the upper case 130 is detachably connected to the middle case 120, the middle case 120 is detachably connected to the lower case 110, and a part of the stator part 210 is located in the middle case 120 and another part is located in the upper case 130, on the basis of the above embodiments.

A space for installing the circuit board 170, the first gear 150, the second gear 160, and the gear ring is formed between the middle case 120 and the lower case 110, and the upper case 130 and the middle case 120 are connected to form the stator part 210, so that the assembly of the clock spring 200 can be facilitated; in a specific assembly process, the rotor part 220 is placed on the middle housing 120, so that the rotor part 220 is located in a part of the stator part 210, and then the upper housing 130 and the middle housing 120 are assembled together, so that the other part of the stator part 210 of the upper housing 130 buckles the edge of the annular end cover 222 of the rotor part 220, meanwhile, the assembly of the stator part 210 is realized, and the assembly of the clock spring 200 is completed simultaneously in the assembly process of the combined switch base 100, thereby simplifying the whole assembly process.

As shown in fig. 1 to 5, on the basis of the above embodiment, the base 100 is provided with a circuit board 170, the circuit board 170 is provided with at least one first hall sensor (not shown in the drawings), an outer gear ring 140 and at least one first gear 150 are provided in the base 100, the outer gear ring 140 is connected with the rotor portion 220, and when the rotor portion 220 rotates, the outer gear ring 140 is driven to rotate, the first gear 150 is meshed with the outer gear ring 140, the first gear 150 is provided with first magnetic steel (not shown in the drawings), and the first magnetic steel and the hall sensor are provided correspondingly up and down.

It should be noted that the present combination switch assembly has only one circuit board 170, which simplifies the structure of the combination switch assembly, and integrates all circuit functions of the combination switch on one circuit board 170, and the circuit board 170 can realize the signal transmission function of the two switch handles 300 of the combination switch assembly, and also can realize the angle sensing function of the steering wheel, thereby greatly improving the integration of the combination switch.

Specifically, the circuit board 170, the first gear 150 and the outer gear 140 are all installed in the installation control between the lower housing 110 and the middle housing 120, when the rotor part 220 of the clock spring 200 is connected with the steering wheel, the steering wheel rotates to drive the rotor part 220 to rotate, the rotor part 220 can drive the outer gear 140 to rotate when rotating, the outer gear 140 rotates to drive the first gear 150 and the first magnetic steel to rotate through meshing transmission, and the first hall sensor can sense the rotation angle of the first magnetic steel, so that corresponding signals are output, and the circuit board 170 of the combination switch has the function of sensing the rotation angle of the steering wheel.

On the basis of the above embodiment, two first gears 150 are disposed in the base 100, two first hall sensors are disposed on the circuit board 170, the two first gears 150 are engaged with the outer gear ring 140, and the first magnetic steels of the two first gears 150 are disposed corresponding to the two first hall sensors, respectively.

Since the rotation angle of the steering wheel is a very important parameter, two groups of first gears 150 need to be set for mutual calibration, specifically, after the steering wheel rotates, one of the first gears 150 rotates and enables the corresponding first hall sensor to output signals, and meanwhile, the other first gear 150 also rotates to enable the corresponding first hall sensor to output signals, and the circuit board 170 performs calibration through the two signals, so that the reliability of steering wheel angle sensing is ensured.

In addition to the above embodiment, the outer ring gear 140 is located below the stator part 210, and the outer ring gear 140 has the connection part 141 inserted into the center hole of the rotor part 220, and the connection part 141 is fixedly connected to the rotor part 220.

In addition to the above embodiment, the bottom of the stator part 210 has a rotation shaft (not shown), and the first gear 150 is rotatably connected to the rotation shaft and is located below the stator part 210.

As shown in fig. 1 to 5, on the basis of the above embodiment, both sides of the base 100 are mounted with swingable switch handles 300.

On the basis of the above embodiment, the switch handle 300 includes the front-back swinging bracket 310, the front-back swinging bracket 310 is swingably hinged to the base 100, the front-back swinging bracket 310 is provided with the arc-shaped rack portion 320 using the swinging fulcrum thereof as the center of a circle, the circuit board 170 is provided with the second hall sensor (not shown in the figure), the base 100 is also provided with the second gear 160, the second gear 160 is meshed with the arc-shaped rack portion 320, the second gear 160 is provided with the second magnetic steel (not shown in the figure), and the second magnetic steel is correspondingly arranged up and down with the second hall sensor.

The circuit board 170 swings back and forth with the second magnetic steel inductive switch handle 300 on the second gear 160 through the second hall sensor; the switch handle 300 is hinged to the base 100 through the back-and-forth swing bracket 310, and the switch handle 300 performs a back-and-forth swing motion through the back-and-forth swing bracket 310, and when the switch handle 300 swings back-and-forth, the second gear 160 and the second magnetic steel can be driven to rotate through the arc-shaped rack portion 320, and the second hall sensor can sense a rotation angle of the second magnetic steel and output a signal.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims (10)

1. A combination switch assembly, comprising:

A base (100), the base (100) having a stator portion (210) having an annular outer wall-like structure;

A clock spring (200), the clock spring (200) comprising a rotor portion (220) for connection with a steering wheel and rotation with rotation of the steering wheel, the rotor portion (220) being rotatably mounted within the stator portion (210) and constituting a housing of the clock spring (200).

2. A combination switch assembly as defined in claim 1, wherein: the clock spring (200) further comprises a flexible flat wire harness which is arranged between the stator part (210) and the rotor part (220) in a spiral spring shape, one end of the flexible flat wire harness is connected with the stator part (210) and the other end of the flexible flat wire harness is connected with the rotor part (220).

3. A combination switch assembly as defined in claim 1, wherein: the rotor part (220) comprises a rotating ring (221) and an annular end cover (222), the rotating ring (221) is rotatably installed in the stator part (210), the annular end cover (222) is fixedly connected with the upper end of the rotating ring (221), and the annular end cover (222) is provided with a connecting column (223) used for being connected with a steering wheel.

4. A combination switch assembly as defined in claim 1, wherein: the base (100) comprises a lower shell (110), a middle shell (120) and an upper shell (130), wherein the upper shell (130) is detachably connected with the middle shell (120), the middle shell (120) is detachably connected with the lower shell (110), and one part of the stator part (210) is located in the middle shell (120) and the other part of the stator part is located in the upper shell (130).

5. A combination switch assembly as defined in claim 1, wherein: the base (100) is provided with a circuit board (170), the circuit board (170) is provided with at least one first Hall sensor, an outer gear ring (140) and at least one first gear (150) are arranged in the base (100), the outer gear ring (140) is connected with the rotor part (220) and drives the outer gear ring (140) to rotate when the rotor part (220) rotates, the first gear (150) is meshed with the outer gear ring (140), first magnetic steel is arranged on the first gear (150), and the first magnetic steel and the Hall sensors are arranged up and down correspondingly.

6. A combination switch assembly as defined in claim 5, wherein: two first gears (150) are arranged in the base (100), two first Hall sensors are arranged on the circuit board (170), the two first gears (150) are meshed with the outer gear ring (140), and the first magnetic steels of the two first gears (150) are respectively and correspondingly arranged with the two first Hall sensors.

7. A combination switch assembly as defined in claim 6, wherein: the outer gear ring (140) is positioned below the stator part (210), the outer gear ring (140) is provided with a connecting part (141) inserted into a central hole of the rotor part (220), and the connecting part (141) is fixedly connected with the rotor part (220).

8. A combination switch assembly as set forth in claim 7, wherein: the bottom of the stator part (210) is provided with a rotating shaft, and the first gear (150) is positioned below the stator part (210) and is rotatably connected with the rotating shaft.

9. A combination switch assembly as defined in claim 5, wherein: both sides of the base (100) are provided with a swingable switch handle (300).

10. A combination switch assembly as set forth in claim 9, wherein: the switch handle (300) comprises a front-back swing support (310), the front-back swing support (310) is hinged to the base (100) in a swinging mode, the front-back swing support (310) is provided with an arc-shaped rack portion (320) taking a swing fulcrum of the front-back swing support as a circle center, the circuit board (170) is provided with a second Hall sensor, a second gear (160) is further arranged in the base (100), the second gear (160) is meshed with the arc-shaped rack portion (320), the second gear (160) is provided with second magnetic steel, and the second magnetic steel and the second Hall sensor are correspondingly arranged up and down.