Non-contact combination switch
By using a contactless structure that combines a Hall sensor with a magnet, the problem of easy wear on the combination switch knob is solved, achieving more durable contactless control, improving the overall service life of the combination switch and simplifying the assembly process.
Patent Information
- Application Number
- CN202520285893.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-21
AI Technical Summary
In existing automotive combination switches, knobs have a short lifespan, and traditional contact switches are prone to wear and tear, leading to functional failure.
By using a Hall sensor in conjunction with a magnet and through the meshing structure of a drive rod and a toothed pawl, contactless control is achieved, replacing the traditional contact switch. The first and second knobs drive the drive rod to rotate, which in turn drives the toothed pawl to engage the sliding seat, thus achieving functional control in conjunction with the Hall sensor.
It improves the durability of combination switches, avoids the wear and tear problems of contact switches, extends service life, and simplifies the assembly process.
Smart Images

Figure CN223744703U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile combination switch technical field, especially a kind of non-contact combined switch. BACKGROUND
[0002] Automobile combination switch is used to control the integrated device of automobile's lighting light, signal light, steering lamp, fog lamp and other electronic devices, generally installed on the steering column of steering wheel, wherein, non-contact combined switch is the new combined switch of Hall inductor replacing the contact patch switch in traditional combined switch to realize the switch of each function, for example, utility model patent: a combined switch based on 3D Hall sensor (publication number:221553247U) discloses a combined switch with better stability and reliability and longer service life, in the above combined switch, magnet cooperating with Hall inductor is arranged on handle assembly and moves with handle swing, cooperates Hall inductor to control the function controlled by handle swing action, but in addition to the function controlled by handle swing on the handle of combined switch, there is also the function realized by rotating knob, currently, the mode of rotating knob to realize control function is still traditional contact patch switch, and the service life of rotating knob needs to be improved.
[0003] In view of the above problems, the utility model is improved. UTILITY MODEL CONTENTS
[0004] The utility model provides a non-contact combined switch, solve the above -mentioned problem existing in the prior art in the use process.
[0005] The technical scheme of the utility model is as follows:
[0006] A non-contact combined switch, including base, circuit board, handle and first knob, the circuit board is fixedly arranged on base, the handle is movably arranged on base, the first knob is rotatably arranged on handle, the base is slidably provided with first sliding seat on the side of circuit board, the first sliding seat is formed with first driven claw, the first driving rod is rotatably arranged in handle, one end of the first driving rod is fixedly connected with the first knob, and the other end is formed with the first driving rod. First driving rod is engaged with first driven claw, first magnet is arranged on first sliding seat, first Hall sensor is arranged on circuit board and opposite to first magnet.
[0007] Preferably, first limiting groove is formed on the outer wall of the first driving rod along the length direction of the first driving rod, first mounting hole is formed in the center of the first knob and matched with the end of the first driving rod, first limiting protrusion is formed on the inner wall of the first mounting hole and matched with the first limiting groove, the first driving rod is inserted into the first mounting hole and connected with the first knob in interference fit, and the first limiting protrusion is retained in the first limiting groove.
[0008] Preferably, the first driving rod is formed with an end of the first driving pawl to form a limiting ring, and the first driving rod is inserted into the handle to make the limiting ring abut against the handle port.
[0009] Preferably, the base is provided with a first sliding groove, and the first sliding seat is formed with a plurality of first clamping blocks, and the first sliding seat is inserted into the first sliding groove from bottom to top to make the first clamping blocks clamped on the first sliding groove.
[0010] Preferably, the handle is rotatably provided with a second knob, the base is slidably provided with a second sliding seat located at one side of the first sliding seat, the second sliding seat is formed with a second driven pawl, the handle is rotatably provided with a second driving rod sleeved on the first driving rod, one end of the second driving rod is fixedly connected with the second knob, the other end is formed with a second driving pawl engaged with the second driven pawl, the second sliding seat is provided with a second magnet, and the circuit board is provided with a second Hall sensor opposite to the second magnet.
[0011] Preferably, the second driving rod is provided with a second limiting groove extending along the length direction of the second driving rod at the end of the second driving rod, the second knob is provided with a second mounting hole in the center, the second limiting protrusion is formed on the inner wall of the second mounting hole and matched with the second limiting groove, the second limiting protrusion is formed with a limiting rib on each side, and the second limiting groove is provided with a third limiting groove matched with the limiting rib on each side wall.
[0012] Preferably, the base is provided with a second sliding groove, and the second sliding seat is formed with a plurality of second clamping blocks, and the second sliding seat is inserted into the second sliding groove from bottom to top to make the second clamping blocks clamped on the second sliding groove.
[0013] In summary, the beneficial effects of the utility model lie in that: rotating the first knob drives the first driving rod to rotate, the second driving rod drives the first driving pawl to swing, the first driving pawl drives the first sliding seat to slide through the engagement with the first driven pawl, the first sliding seat drives the first magnet to act to realize the function control in cooperation with the first Hall sensor, the traditional touch piece type switch structure of the first knob is changed into the non-contact switch structure realized by the cooperation of the first Hall sensor and the first magnet, the problem that the touch piece type switch is prone to wear and tear to cause function failure after repeated use is avoided, and the durability of the combined switch as a whole is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0015] Figure 1 is a decomposition schematic view of the present application;
[0016] Figure 2 is Figure 1 is an enlarged schematic view of position A in the middle;
[0017] Figure 3 is a structural schematic view of a first knob, a first driving rod and a first sliding seat in the present application;
[0018] Figure 4 is a structural schematic view of a second knob, a second driving rod and a second sliding seat in the present application;
[0019] Figure 5 is a structural schematic view of a first sliding seat, a second sliding seat and a base in the present application.
[0020] In the figure: 1, base; 11, first sliding groove; 12, second sliding groove; 2, circuit board; 21, first Hall sensor; 22, second Hall sensor; 3, handle; 31, first knob; 311, first mounting hole; 312, first limiting protrusion; 32, first driving rod; 321, first driving claw; 322, first limiting groove; 323, limiting ring; 33, second knob; 331, second mounting hole; 332, second limiting protrusion; 333, limiting rib; 34, second driving rod; 341, second driving claw; 342, second limiting groove; 343, third limiting groove; 4, first sliding seat; 41, first driven claw; 42, first magnet; 43, first clamping block; 5, second sliding seat; 51, second driven claw; 52, second magnet; 53, second clamping block. DETAILED DESCRIPTION
[0021] The following will combine the drawings in the embodiments of the present application to make a brief introduction. Figures 1-5 The technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0022] As shown in the figure, a kind of touchless combination switch, including base 1, circuit board 2, handle 3 and first knob 31, the circuit board 2 is fixedly arranged on base 1, the handle 3 is movably arranged on base 1, the first knob 31 is rotatably arranged on the end of handle 3, the first sliding seat 4 of being located on the one side of circuit board 2 is slidably arranged on base 1, the first sliding seat 4 is formed with the first driven claw 41, the first driving rod 32 is rotatably arranged in handle 3, one end of the first driving rod 32 is fixedly connected with first knob 31, and the other end is formed with the first driving claw 321 engaged with the first driven claw 41, the first sliding seat 4 is provided with the first magnet 42, and the circuit board 2 is provided with the first hall sensor 21 opposite to the first magnet 42.
[0023] Specifically, the structure that the end of the first driving rod 32 is fixedly connected with the first knob 31: the first limiting groove 322 extending along the length direction of the first driving rod 32 is formed on the outer wall of the first driving rod 32, the first mounting hole 311 matched with the end of the first driving rod 32 is formed in the center of the first knob 31, the first limiting protrusion 312 matched with the first limiting groove 322 is formed on the inner wall of the first mounting hole 311, the first driving rod 32 is inserted into the first mounting hole 311 and is connected with the first knob 31 in interference, and the first limiting protrusion 312 is retained in the first limiting groove 322.
[0024] Specifically, the structure that the first sliding seat 4 is slidably arranged on the base 1: the first sliding groove 11 is formed on the base 1, a plurality of first clamping blocks 43 are formed on the first sliding seat 4, and the first sliding seat 4 passes through the first sliding groove 11 from bottom to top so that the first clamping block 43 is clamped on the slot of the first sliding groove 11.
[0025] In the above structure, the first driving rod 32 is linked with the first knob 31 in the rotation direction through the cooperation of the first limiting protrusion 312 and the first limiting groove 322, and when the first knob 31 is rotated to realize the corresponding control function, the first knob 31 drives the first driving rod 32 to rotate, the first driving rod 32 drives the first driving pawl 321 to swing, and the first driving pawl 321 drives the first sliding seat 4 to slide on the base 1 through the meshing cooperation with the first driven pawl 41. The first Hall sensor 21 realizes the control of the corresponding function of the first knob 31 through the cooperation of the first magnet 42 which acts with the first sliding seat 4. The above structure changes the traditional touch switch structure of the first knob 31 into a non-contact switch structure realized by the cooperation of the first Hall sensor 21 and the first magnet 42, avoids the problem that the touch switch is prone to wear and tear after repeated use, and improves the durability of the combination switch as a whole. The first driving rod 32 and the first knob 31 are connected through the plug-in mode, so that no additional fasteners are needed during assembly of the combination switch, facilitating the operation during assembly. The first sliding seat 4 is connected with the base 1 through the cooperation of the first clamping block 43 and the sliding groove, which is also convenient for operation during assembly.
[0026] In addition, in order to strengthen the stability of the first driving rod 32 when it is driven by the first knob 31 to rotate, the end of the first driving rod 32 where the first driving pawl 321 is formed is formed with a limiting ring 323. The first driving rod 32 penetrates into the handle 3 so that the limiting ring 323 abuts against the port of the handle 3. The limiting ring 323 limits the sliding of the first driving rod 32 in the length direction relative to the handle 3, preventing the first driving rod 32 from moving in the length direction in the handle 3, so that the first driving pawl 321 and the first driven pawl 41 stably maintain meshing, and the stability of the first knob 31 driving the first sliding seat 4 to slide to realize the control function is ensured.
[0027] On the basis of the above structure, the second knob 33 is rotatably arranged on the handle 3 and is used to realize the second group of control functions by rotating. The second sliding seat 5 is slidably arranged on the base 1 and located on one side of the first sliding seat 4. The second sliding seat 5 is formed with a second driven pawl 51. The second driving rod 34 is rotatably arranged in the handle 3 and is internally hollow and sleeved on the first driving rod 32. One end of the second driving rod 34 is fixedly connected with the second knob 33, and the other end is formed with a second driving pawl 341 which meshes with the second driven pawl 51. The second sliding seat 5 is provided with a second magnet 52, and the circuit board 2 is provided with a second Hall sensor 22 opposite to the second magnet.
[0028] Specifically, the structure that the end of the second driving rod 34 is fixedly connected with the second knob 33 is that the end of the second driving rod 34 is provided with a second limiting groove 342 extending along the length direction of the second driving rod 34, the second knob 33 is provided with a second mounting hole 331 in the center, the inner wall of the second mounting hole 331 is formed with a second limiting protrusion 332 matched with the second limiting groove 342, the two sides of the second limiting protrusion 332 are each formed with a limiting rib 333, and the two side walls of the second limiting groove 342 are each provided with a third limiting groove 343 matched with the limiting rib 333; the end of the second driving rod 34 penetrates into the second mounting hole 331, the second limiting protrusion 332 is inserted into the second limiting groove 342, and the limiting rib 333 is inserted into the third limiting groove 343.
[0029] Specifically, the structure that the second sliding seat 5 is slidably arranged on the base 1 is that the base 1 is provided with a second sliding groove 12, the second sliding seat 5 is formed with a plurality of second clamping blocks 53, and the second sliding seat 5 passes through the second sliding groove 12 from bottom to top so that the second clamping blocks 53 are clamped on the groove opening of the second sliding groove 12.
[0030] In the above further structure, when the second knob 33 is rotated to realize the second group of control functions, the second knob 33 drives the second driving rod 34 to rotate through the cooperation of the second limiting protrusion 332 and the second limiting groove 342, the second driving rod 34 drives the second driving pawl 341 to swing, the second driving pawl drives the second sliding seat 5 to slide through the meshing cooperation with the second driven pawl 51, the second sliding seat 5 drives the second magnet 52 to act to realize the second group of control functions in cooperation with the second Hall sensor 22; in the above structure, the second driving rod 34 is coaxially arranged on the first driving rod 32, the handle 3 has high integration, and the second group of non-contact function controls realized by the second magnet 52 and the second Hall sensor 22 improve the durability of the combined switch as a whole.
[0031] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A touchless combination switch, comprising a base (1), a circuit board (2), a handle (3) and a first knob (31), the circuit board (2) is fixedly arranged on the base (1), the handle (3) is movably arranged on the base (1), and the first knob (31) is rotatably arranged on the handle (3), characterized in that: The base (1) is slidably provided with a first sliding seat (4) on one side of the circuit board (2), the first sliding seat (4) is formed with a first driven claw (41), the handle (3) is rotatably provided with a first driving rod (32), one end of the first driving rod (32) is fixedly connected with a first knob (31), the other end is formed with a first driving claw (321) engaged with the first driven claw (41), the first sliding seat (4) is provided with a first magnet (42), and the circuit board (2) is provided with a first Hall sensor (21) opposite to the first magnet (42). 2. The touchless combination switch according to claim 1, characterized in that: The first driving rod (32) is provided with a first limiting groove (322) extending along the length direction of the first driving rod (32) on the outer wall, the first knob (31) is provided with a first mounting hole (311) matching the end of the first driving rod (32) in the center, the first mounting hole (311) is formed with a first limiting protrusion (312) matching the first limiting groove (322) on the inner wall, the first driving rod (32) is inserted into the first mounting hole (311) and is connected with the first knob (31) in interference, and the first limiting protrusion (312) is retained in the first limiting groove (322).
3. The touchless combination switch of claim 2, wherein: The first driving rod (32) is formed with a first driving claw (321), and the end of the first driving rod (32) is formed with a limiting ring (323).
4. The touchless combination switch of claim 3, wherein: The base (1) is provided with a first sliding groove (11), the first sliding seat (4) is formed with a plurality of first clamping blocks (43), and the first sliding seat (4) passes through the first sliding groove (11) from bottom to top, so that the first clamping block (43) is clamped on the slot of the first sliding groove (11).
5. The touchless combination switch of claim 4, wherein: The handle (3) is rotatably provided with a second knob (33), the base (1) is slidably provided with a second sliding seat (5) on one side of the first sliding seat (4), the second sliding seat (5) is formed with a second driven claw (51), the handle (3) is rotatably provided with a second driving rod (34) sleeved on the first driving rod (32), one end of the second driving rod (34) is fixedly connected with the second knob (33), the other end is formed with a second driving claw (341) engaged with the second driven claw (51), the second sliding seat (5) is provided with a second magnet (52), and the circuit board (2) is provided with a second Hall sensor (22) opposite to the second magnet.
6. The touchless combination switch of claim 5, wherein: The second driving rod (34) is provided with a second limiting slot (342) extending along the length direction of the second driving rod (34) at the end thereof, the second knob (33) is provided with a second mounting hole (331) in the center thereof, a second limiting protrusion (332) matched with the second limiting slot (342) is formed on the inner wall of the second mounting hole (331), a limiting rib (333) is formed on each side of the second limiting protrusion (332), a third limiting slot (343) matched with the limiting rib (333) is formed on each side wall of the second limiting slot (342), the end of the second driving rod (34) penetrates into the second mounting hole (331), the second limiting protrusion (332) is inserted into the second limiting slot (342), and the limiting rib (333) is inserted into the third limiting slot (343).
7. The touchless combination switch of claim 6, wherein: The base (1) is provided with a second sliding slot (12), the second sliding seat (5) is formed with a plurality of second clamping blocks (53), and the second sliding seat (5) passes through the second sliding slot (12) from bottom to top so that the second clamping blocks (53) are clamped on the slot opening of the second sliding slot (12).