Double-knob switch structure and automobile combined switch handle

Abstract

The utility model discloses a double knob switch structure and an automobile combination switch handle, a handle shaft is provided with two adjacent installation discs, and two knobs are rotatably sleeved on the handle shaft and are respectively in clearance fit with the edges of the two installation discs. The inner walls of the two rotary knobs are provided with annular protrusions arranged adjacent to the corresponding installation discs. The two opposite end faces of the annular protrusions and the installation discs are provided with elastic guide rods, waveform sliding ways, metal elastic pieces and circuit boards respectively, wherein the elastic guide rods and the waveform sliding ways are matched in a sliding and abutting mode, and the metal elastic pieces and the circuit boards are matched in a rotating and contacting mode. Wherein the wave-shaped slide way is provided with wave crests and wave troughs which are arranged in a staggered mode, when the knob is not stressed and the elastic guide rod is located at the wave trough, the metal elastic piece is electrically connected with the circuit board, and / or when the knob is stressed to rotate and the elastic guide rod is located at the wave crests in a sliding mode, the metal elastic piece is electrically connected with the circuit board. The automobile handle is simple and compact in structure, cost and assembling procedures can be saved, function control reliability is high, and it can be ensured that a user operates the automobile handle to achieve the needed automobile handle function.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive combination switches, and more specifically, to a double-knob switch structure. In addition, the utility model also relates to an automotive combination switch handle including the above double-knob switch structure. Background Art

[0002] The automotive combination switch handle is installed on the automotive steering wheel, and functions such as automotive lighting and windshield wiper spraying are controlled by rotating the knob switch on the handle rod.

[0003] Currently, most of the knob switch structures are formed by splicing multiple knobs arranged axially along the handle shaft. There are many components assembled between each knob and the handle shaft, with a complex structure, complex assembly processes, low production efficiency, and poor fit between multiple components, which easily causes the user to rotate the knob incompletely, resulting in the inability of the knob and the rotating shaft to achieve electrical contact and the failure to realize the required handle functions of the user, that is, the functional control reliability of the knob switch structure is poor.

[0004] In summary, how to provide a double-knob switch structure with a simple and compact structure and high functional control reliability is an urgent problem to be solved by those skilled in the art currently. Summary of the Utility Model

[0005] In view of this, the purpose of the utility model is to provide a double-knob switch structure, which has a simple and compact structure to save costs and assembly processes, and high functional control reliability to ensure that the user's operation realizes the required automotive handle functions.

[0006] Another purpose of the utility model is to provide an automotive combination switch handle including the above double-knob switch structure.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A double-knob switch structure includes a handle shaft and two knobs. Two adjacent mounting discs are provided on the handle shaft. Both of the two knobs can be rotatably sleeved on the handle shaft and are in clearance fit with the edges of the two mounting discs in one-to-one correspondence. Annular protrusions are provided on the inner walls of both of the two knobs adjacent to the corresponding mounting discs. Elastic guide rods and waveform chutes that can be slidably abutted and cooperated, and metal elastic pieces and circuit boards that can be rotatably contacted and cooperated are respectively provided on the opposite end faces of each annular protrusion and the corresponding mounting disc adjacent to it;

[0009] Among them, the waveform slideway is provided with wave crests and wave troughs arranged alternately. The circuit board is provided with a plurality of electrical contacts. When the knob is not stressed and the elastic guide rod is located at the wave trough, the metal elastic sheet is electrically connected to an electrical contact on the circuit board corresponding to the function of the wave trough, and / or when the knob is stressed and rotated and the elastic guide rod slides to the wave crest, the metal elastic sheet is electrically connected to an electrical contact on the circuit board corresponding to the function of the wave crest.

[0010] Preferably, the handle shaft is a detachable structure, divided into a first handle shaft and a second handle shaft. The opposite ends of the two are integrally connected to the two mounting plates respectively, and a detachable connection structure is provided between the opposite end faces of the two mounting plates.

[0011] Preferably, a positioning bump is provided between the waveform slideway and the end face of the mounting plate. A positioning chute for fixing the elastic guide rod in the groove is provided on the end face of the annular protrusion facing the waveform slideway. The positioning bump can be slidably inserted into the positioning chute and press against the elastic guide rod;

[0012] Among them, when the elastic guide rod is located at the frontmost wave crest, the front edge of the positioning bump abuts against the front side wall of the positioning chute. When the elastic guide rod is located at the rearmost wave crest, the rear edge of the positioning bump abuts against the rear side wall of the positioning chute.

[0013] Preferably, the elastic guide rod includes a spring and a steel ball. One end of the spring is fixed in the positioning chute, and the other end is connected to the steel ball that slides cooperatively with the waveform slideway.

[0014] Preferably, the included angle formed by connecting the front edge and the rear edge of the positioning bump with the center line of the handle shaft is less than 180°.

[0015] Preferably, when the knob is not stressed and the elastic guide rod is located at the wave trough, the metal elastic sheet is electrically connected to an electrical contact on the circuit board corresponding to the function of the wave trough, and when the knob is stressed and rotated and the elastic guide rod slides to the wave crest, the metal elastic sheet is electrically connected to an electrical contact on the circuit board corresponding to the function of the wave crest;

[0016] Among them, one wave trough is provided, two wave crests are provided, and three electrical contacts are provided. The three electrical contacts correspond to the front wave crest, the wave trough, and the rear wave crest one by one to represent different function gears;

[0017] And three function marks are arranged at intervals around the axial direction on the outer wall of the knob. The three function marks correspond to the three electrical contacts one by one and are used to represent different function gears.

[0018] Preferably, when the knob is not stressed and the elastic guide rod is located at the trough, the metal elastic sheet is electrically connected to one of the electrical contacts on the circuit board corresponding to the function of the trough.

[0019] Wherein, a plurality of the wave peaks, the troughs and the electrical contacts are provided, and the plurality of electrical contacts correspond to the plurality of troughs one by one to represent different functional gears.

[0020] And a plurality of function marks are arranged at intervals around the axial direction of the outer wall of the knob, and the plurality of function marks correspond to the plurality of electrical contacts one by one to be used for representing different functional gears.

[0021] An automobile combination switch handle includes a main handle and the dual-knob switch structure described in any one of the above, and the handle shaft is arranged in the inner cavity of the main handle along the central line direction of the handle shaft.

[0022] Preferably, a transparent cover is provided at the top of the main handle, and the function marks arranged on the knob are located below the transparent cover.

[0023] Preferably, the main handle is provided with an opening, and the dial block arranged on the knob passes through the opening and extends out of the inner cavity of the main handle.

[0024] For the dual-knob switch structure provided by the present utility model, the handle shaft is used for being installed in an automobile combination switch handle. Two knobs are adjacently arranged on the same handle shaft. The two knobs are respectively used for controlling the functions of different electrical components, such as the front windshield wiper and the rear windshield wiper. The assembly manners of the two knobs and the handle shaft are the same. Taking one knob as an example for description, specifically, the knob is sleeved on the handle shaft and the inner wall thereof has a clearance fit with the edge of the mounting disc on the handle shaft. An annular protrusion adjacent to the mounting disc is arranged on the inner wall of the knob. The waveform slideway and the elastic guide rod in sliding contact fit are respectively arranged on the opposite end faces of the mounting disc and the annular protrusion, and the circuit board and the metal elastic sheet in rotational contact fit are respectively arranged on the opposite end faces of the mounting disc and the annular protrusion. Therefore, compared with the existing dual-knob switch structure, the circuit board is integrally arranged on the handle shaft through the mounting disc and is closely attached to the metal elastic sheet integrally arranged on the knob. The structure is simple and compact, the number of parts is reduced, and the cost is saved and the assembly process is saved.

[0025] During the rotation of the above-mentioned knob, the positions of the mutually staggered crests and / or troughs can each correspond to a function gear. In one setting method, for example, the first knob used to control the front windshield wiper function, different troughs in its corresponding waveform slide represent different function gears, and multiple electrical contacts on the circuit board correspond one-to-one with the function gears of multiple troughs. When the user adjusts the front windshield wiper function, a certain knob force needs to be applied to the knob to overcome the compression force of the ramp section formed between the trough and the crest on the elastic guide rod. During the process of the elastic guide rod climbing along the positive ramp section of a crest, the elastic guide rod is gradually compressed and its rebound force gradually increases. During the process of the elastic guide rod going downhill along the back ramp section after crossing the crest, the rebound force of the elastic guide rod is released, which can make the operation of the knob smooth, save the user's knob force at the same time, and thus improve the convenience of user operation. The elastic guide rod falls into the trough corresponding to the required function. At this time, the metal elastic sheet is connected to the electrical contact corresponding to the function of this trough. After removing the knob force, the ramp section formed between the trough of the waveform slide and the adjacent crest can play a role in blocking the excessive shaking of the elastic guide rod, avoiding the knob from shaking excessively and disengaging from the trough position, ensuring the correct control of the electrical contact between the metal elastic sheet and the circuit board, and thus ensuring the front windshield wiper function required by the user, that is, improving the function control reliability of the knob switch structure.

[0026] In another setting method, for example, the second knob used to control the rear windshield wiper function, different troughs and crests in its corresponding waveform slide represent different function gears, and multiple electrical contacts on the circuit board correspond one-to-one with the function gears of multiple crests. When the knob is not stressed, that is, when the knob is in its natural state, the elastic guide rod is located at a certain trough. At this time, the metal elastic sheet is connected to the electrical contact corresponding to the function of this trough; if the user needs to adjust the rear windshield wiper function, a certain knob force needs to be applied to the knob to drive the elastic guide rod to slide along the front ramp section or the rear ramp section formed between the trough of the waveform slide and the crests on its front and rear sides. At the same time, the knob drives the metal elastic sheet to slide relative to the circuit board until the elastic guide rod slides to the front crest or the rear crest. At this time, the metal elastic sheet is connected to the electrical contact corresponding to the function of the front crest or the rear crest, and the required rear windshield wiper function of the user can be realized. After removing the knob force, the elastic guide rod automatically resets. During the process of the above-mentioned elastic guide rod climbing along the ramp section, the elastic guide rod is gradually compressed and the rebound force gradually increases. The rebound force generated by the compression of the elastic guide rod can be used to make the elastic guide rod automatically slide to the trough to reset, that is, to achieve the self-locking effect of the rear windshield wiper gear, which can make the operation of the knob smooth, save the user's knob force at the same time, and thus improve the convenience of user operation. Similarly, both the front and rear ramp sections can also play a role in blocking the excessive shaking of the elastic guide rod, avoiding the knob from shaking excessively and disengaging from the trough position, ensuring the correct control of the electrical contact between the metal elastic sheet and the circuit board, and thus ensuring the rear windshield wiper function required by the user, that is, improving the function control reliability of the knob switch structure.

[0027] In summary, the present application has the following beneficial effects:

[0028] (1) Two knobs are adjacently arranged on the same handle shaft, that is, the two knobs are adjacently arranged within the same handle, and the two knobs can be respectively used to control the functions of different electrical components, which can be better applied to small-sized handles, and at the same time, a single automotive combination switch handle can achieve the control of multiple automotive functions.

[0029] (2) The circuit board is integrally arranged on the handle shaft through the mounting plate and is in close contact with the metal elastic sheet integrally arranged on the knob. The structure is simple and compact, reducing the number of components to save costs and assembly processes.

[0030] (3) The elastic guide rod is in sliding fit with the corrugated slideway. On the one hand, it can facilitate the user to operate the knob smoothly and save the user's knob force, thereby improving the convenience of user operation. On the other hand, it can ensure the correct electrical contact control between the metal elastic sheet and the circuit board, thus ensuring the automotive handle functions required by the user and improving the functional control reliability of the knob switch structure. Description of the Drawings

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0032] Figure 1 It is an exploded view of the dual-knob switch structure provided by the present application;

[0033] Figure 2 It is a cross-sectional view of the dual-knob switch structure provided by the present application;

[0034] Figure 3 It is an exploded view of the first knob provided by the present application;

[0035] Figure 4 It is a schematic structural diagram of the mounting plate provided by the present application and in clearance fit with the first knob;

[0036] Figure 5 It is an exploded view of the second knob provided by the present application;

[0037] Figure 6 It is a schematic structural diagram of the mounting plate provided by the present application and in clearance fit with the second knob;

[0038] Figure 7 It is an installation schematic diagram of the transparent cover provided by the present application.

[0039] Reference Signs:

[0040] 1 - Main handle; 2 - Handle shaft; 3 - First knob; 4 - Second knob; 5 - Mounting plate; 6 - Annular protrusion; 7 - Elastic guide rod; 8 - Wave - shaped slideway; 9 - Metal elastic piece; 10 - Circuit board; 11 - Stop bump; 12 - Stop chute; 13 - Transparent cover; 14 - Long strip slider;

[0041] 21 - First handle shaft; 22 - Second handle shaft; 23 - Connection structure;

[0042] 71 - Spring; 72 - Steel ball;

[0043] 81 - Wave crest; 82 - Wave trough. Specific embodiments

[0044] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0045] The core of the present invention is to provide a dual - knob switch structure, the structure of which is simple and compact, so as to save costs and assembly processes, and the function control has high reliability to ensure that the user's operation realizes the required functions of the vehicle handle.

[0046] Another core of the present invention is to provide a vehicle combination switch handle including the above - mentioned dual - knob switch structure.

[0047] It should be noted that in this embodiment, the orientation or positional relationship indicated by "up", "down", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application.

[0048] Please refer to Figures 1 to 6 , this application provides a dual - knob switch structure, including a handle shaft 2 and two knobs. Two adjacent mounting plates 5 are provided on the handle shaft 2. Both knobs can be rotatably sleeved on the handle shaft 2, and the inner walls of the opposite ends of the two knobs are in one - to - one clearance fit with the edges of the two mounting plates 5. Annular protrusions 6 are provided on the inner walls of both knobs adjacent to the corresponding mounting plates 5. Elastic guide rods 7 and wave - shaped slideways 8 which can be slidably abutted and cooperated, and metal elastic pieces 9 and circuit boards 10 which can be rotatably contacted and cooperated are respectively provided on the opposite end faces of each annular protrusion 6 and the adjacent mounting plate 5.

[0049] Among them, the waveform slideway 8 is provided with wave crests 81 and wave troughs 82 which are arranged alternately. A plurality of electrical contacts are provided on the circuit board 10. When the knob is not stressed and the elastic guide rod 7 is located at the wave trough 82, the metal elastic sheet 9 is electrically connected to an electrical contact on the circuit board 10 corresponding to the function of the wave trough 82, and / or when the knob is stressed and rotated and the elastic guide rod 7 slides to be located at the wave crest 81, the metal elastic sheet 9 is electrically connected to an electrical contact on the circuit board 10 corresponding to the function of the wave crest 81.

[0050] It should be noted that the dual-knob switch structure of the present application is applied to the handle of an automotive combination switch. The dual-knob switch structure has two knobs, and the two knobs are respectively used for controlling the functions of different electrical components, such as controlling functions such as automotive lights or windshield wiper spraying. In this article, the first knob 3 and the second knob 4 are respectively used for controlling the front windshield wiper and the rear windshield wiper as an example for description. Usually, the front windshield wiper has four function gears: OFF, AUTO, HI, and LO. Among them, the OFF gear represents the function of turning off the front windshield wiper, the AUTO gear represents the function of automatically operating the front windshield wiper, the HI gear represents the function of continuously operating the front windshield wiper at a high speed, and LO represents the function of continuously operating the front windshield wiper at a low speed; the rear windshield wiper has three function gears: OFF, single wipe, and spray and wipe. Among them, the OFF gear represents the function of turning off the rear windshield wiper, the single wipe gear represents the function of the rear windshield wiper performing a single action, and the spray and wipe gear represents the function of performing the single wipe action and the spray action of the rear windshield wiper together.

[0051] Specifically, please refer to Figure 2 , the handle shaft 2 is used to be installed in the handle of the automotive combination switch. Two adjacent mounting discs 5 are arranged on the handle shaft 2. The two knobs are respectively located on the opposite sides of the two mounting discs 5. The first knob 3 is sleeved on the handle shaft 2 and there is a clearance fit between its inner wall and the edge of the left mounting disc 5. The second knob 4 is sleeved on the handle shaft 2 and there is a clearance fit between its inner wall and the edge of the right mounting disc 5. The assembly methods of the components between the two knobs and their corresponding mounting discs 5 are the same. Taking the second knob 4 and the right mounting disc 5 as an example for description, as Figure 5 and Figure 6 shown, an annular protrusion 6 adjacent to the mounting disc 5 is arranged on the inner wall of the knob. A metal elastic sheet 9 and an elastic guide rod 7 are arranged on the end surface of the annular protrusion 6 facing the mounting disc 5. A circuit board 10 and a waveform slideway 8 are arranged on the end surface of the mounting disc 5 facing the annular protrusion 6. The elastic guide rod 7 is slidably abutted against the waveform slideway 8, and the metal elastic sheet 9 is rotatably in contact with the circuit board 10. Among them, a wave crest 81 and / or a wave trough 82 arranged alternately on the waveform slideway 8 can correspond to a function gear, and the representative functions and the set numbers of the wave crests 81 and the wave troughs 82 on the waveform slideway 8 need to be set according to the functions of the electrical components controlled by the knob.

[0052] In an embodiment, please refer to Figure 3 and Figure 4, the first knob 3 is used to control the front wiper function. The waveform slideway 8 on the left mounting plate 5 is provided with five wave crests 81 and four wave troughs 82. The circuit board 10 is provided with four electrical contacts. The four wave troughs 82 correspond one-to-one with the four functional positions of the electrical contacts, representing four functional positions of OFF, AUTO, HI, LO, etc. Since the ramp section formed between the wave trough 82 and the wave crest 81 can play a role in blocking the shaking of the elastic guide rod 7, when the knob is not stressed, that is, when the knob is in the natural state, the elastic guide rod 7 is located at the wave trough 82, avoiding the knob from shaking excessively and disengaging from the position of the wave trough 82, that is, ensuring that the elastic guide rod 7 is located at the wave trough 82 corresponding to the required function, so as to ensure the correct control of the electrical contact between the metal elastic sheet 9 and the circuit board 10, thereby improving the functional control reliability of the knob switch structure; if the user needs to adjust the front wiper function, a certain knob force needs to be applied to the knob to drive the elastic guide rod 7 to climb and descend along each ramp section successively. At the same time, the knob drives the metal elastic sheet 9 to slide relative to the circuit board 10 until the elastic guide rod 7 crosses each wave crest 81 and falls into the wave trough 82 corresponding to the required function. At this time, the metal elastic sheet 9 is electrically connected to the electrical contact corresponding to the function of this wave trough 82. During this process, when the elastic guide rod 7 climbs along the positive ramp section of a wave crest 81, the elastic guide rod 7 is gradually compressed and its rebounding force gradually increases. Therefore, when the elastic guide rod 7 descends along the back ramp section of the wave crest 81, the rebounding force of the elastic guide rod 7 is released, which can make the operation of the knob smooth, save the user's knob force, and thus improve the convenience of user operation.

[0053] Please refer to Figure 5 and Figure 6, the second knob 4 is used to control the rear wiper function. There are two wave peaks 81 and one wave trough 82 on the waveform slideway 8 of the right mounting plate 5. The circuit board 10 is provided with three electrical contacts. The front wave peak 81, the wave trough 82 and the rear wave peak 81 correspond to the three functional positions of the electrical contacts one by one, representing three functional positions of OFF, single wipe, spray and wipe respectively. Since the front and rear slope sections are formed between the wave trough 82 and the wave peaks 81 on its front and rear sides to block the elastic guide rod 7 and prevent the elastic guide rod 7 from shaking excessively, that is, the front and rear slope sections play a limiting role on the elastic guide rod 7. Therefore, when the knob is not stressed, that is, when the knob is in the natural state, the elastic guide rod 7 is located at the wave trough 82, and the position of the wave trough 82 is the initial position of the elastic guide rod 7. At this time, the metal elastic piece 9 is connected to the first electrical contact to realize the function of closing the rear wiper. If the user needs to adjust the rear wiper function, a certain knob force needs to be applied to the knob to drive the elastic guide rod 7 to slide along the front slope section or the rear slope section. At the same time, the knob drives the metal elastic piece 9 to slide relative to the circuit board 10 until the elastic guide rod 7 slides to the front wave peak 81 or the rear wave peak 81. At this time, the metal elastic piece 9 is connected to the second electrical contact or the third electrical contact, and the rear wiper function required by the user can be realized. Then, after removing the knob force, the elastic guide rod 7 automatically resets and falls into the wave trough 82. The front and rear slope sections play a limiting role on the elastic guide rod 7 to prevent the elastic guide rod 7 from shaking and disengaging from the wave trough 82 and accidentally starting the rear wiper action, which can ensure the correct electrical contact control between the metal elastic piece 9 and the circuit board 10, so as to ensure the rear wiper function required by the user.

[0054] It can be seen from this that the second knob 4 is a self-resetting knob. During the process of the elastic guide rod 7 climbing along the slope section, the elastic guide rod 7 is gradually compressed and the rebound force gradually increases. The rebound force generated by the compression of the elastic guide rod 7 can be used to make the elastic guide rod 7 automatically slide to the wave trough 82 to reset, that is, to realize the self-locking effect of the rear wiper gear, which can make the operation of the knob smooth, save the knob force of the user, and improve the convenience of the user's operation.

[0055] To sum up, the double-knob switch structure with the above structural settings has the following beneficial effects:

[0056] (1) The two knobs are adjacent to each other on the same handle shaft 2, that is, the two knobs are adjacent to each other in the same handle, and the two knobs can be used to control the functions of different electrical components respectively, which can better be applied to small-sized handles and realize the control of multiple vehicle functions with one vehicle combination switch handle.

[0057] (2) The circuit board 10 is integrally arranged on the handle shaft 2 through the mounting plate 5 and is in close contact with the metal elastic piece 9 integrally arranged on the knob. The structure is simple and compact, reducing the number of parts to save costs and assembly processes.

[0058] (3) The elastic guide rod 7 is slidably engaged with the corrugated slideway 8. On the one hand, it can facilitate the user to smoothly operate the knob, and at the same time save the user's knob force, thereby improving the convenience of user operation. On the other hand, it can ensure the correct control of the electrical contact between the metal elastic sheet 9 and the circuit board 10, thereby ensuring the automotive handle functions required by the user and improving the functional control reliability of the knob switch structure.

[0059] To enable the user to intuitively operate the first knob 3 and the second knob 4, based on the above embodiments, please refer to Figure 7 , four function markings are arranged at intervals around the axial direction on the outer wall of the first knob 3. The four function markings correspond to the four electrical contacts one by one and are respectively used to represent four function gears such as OFF, AUTO, HI, and LO; three function markings are arranged at intervals around the axial direction on the outer wall of the second knob 4. The three function markings correspond to the three electrical contacts one by one and are respectively used to represent three function gears such as OFF, single wipe, water spray and wipe. Therefore, the user can intuitively operate the knob according to the function markings on the knob, thereby further improving the convenience of user operation.

[0060] It should be noted that when the user operates the knob, the knob force applied by the user to the knob cannot be quantified, and there is a situation where the elastic guide rod 7 is disengaged from the corrugated slideway 8 due to excessive screwing of the knob.

[0061] To prevent the elastic guide rod 7 from disengaging from the corrugated slideway 8, based on the above embodiments, please refer to Figures 3 to 6 , a stop protrusion 11 is provided between the end face of the corrugated slideway 8 and the mounting plate 5. A stop chute 12 for fixing the elastic guide rod 7 in the groove is provided on the end face of the annular protrusion 6 facing the corrugated slideway 8. The stop protrusion 11 can be slidably inserted into the stop chute 12 and press against the elastic guide rod 7;

[0062] Among them, when the elastic guide rod 7 is located at the frontmost wave crest 81, the front edge of the stop protrusion 11 abuts against the front side wall of the stop chute 12, and when the elastic guide rod 7 is located at the rearmost wave crest 81, the rear edge of the stop protrusion 11 abuts against the rear side wall of the stop chute 12.

[0063] It can be seen from this that a stop projection 11 is provided on the end face of the mounting disc 5 facing the annular projection 6. A corrugated slideway 8 is provided at one end of the stop projection 11 away from the mounting disc 5. A stop chute 12 is provided on the end face of the annular projection 6 facing the corrugated slideway 8. The stop chute 12 is adapted to the shape of the stop projection 11, and the total length of the stop chute 12 is greater than the total length of the stop projection 11, so that the stop chute 12 slides back and forth along the outer edge of the stop projection 11 under the drive of the knob. One end of the elastic guide rod 7 is fixed in the stop chute 12 and the other end abuts against the corrugated slideway 8 at the end of the stop projection 11. The foremost wave crest 81 of the corrugated slideway 8 is in the same plane as the front edge of the stop projection 11, and the rearmost wave crest 81 of the corrugated slideway 8 is in the same plane as the rear edge of the stop projection 11. When the elastic guide rod 7 slides forward to the foremost wave crest 81 with the rotation of the knob, the front edge of the stop projection 11 abuts against the front side wall of the stop chute 12, which can prevent the elastic guide rod 7 from continuing to slide forward out of the corrugated slideway 8. Similarly, when the elastic guide rod 7 slides backward to the rearmost wave crest 81 with the rotation of the knob, the rear edge of the stop projection 11 abuts against the rear side wall of the stop chute 12, which can prevent the elastic guide rod 7 from continuing to slide backward out of the corrugated slideway 8. Therefore, by adopting the stop structure formed by the above-mentioned stop projection 11 and stop chute 12, the elastic guide rod 7 can be effectively prevented from disengaging from the corrugated slideway 8, thereby improving the operation stability and reliability of the double-knob switch structure.

[0064] Optionally, the present application uses a spring 71 and a steel ball 72, which are simple in structure and convenient to maintain, to form the elastic guide rod 7. Specifically, one end of the spring 71 is fixed in the stop chute 12 and the other end is connected to the steel ball 72. The steel ball 72 slides and abuts on the corrugated slideway 8.

[0065] To save the installation space of the double-knob switch structure, on the basis of the above embodiment, please refer to Figure 4 and Figure 6 , the included angles formed by connecting the front edge and the rear edge of the stop projection 11 with the center line of the handle shaft 2 are less than 180°, which can streamline the structure of the stop projection 11 and save the installation space of the stop projection 11, so as to reduce the size of the mounting disc 5 and achieve the purpose of saving the installation space of the double-knob switch structure.

[0066] It should be noted that when the size of the stop projection 11 is small, the rotation angle of the knob is limited and the rebound force of the elastic guide rod 7 is small, resulting in poor automatic reset performance of the knob.

[0067] Preferably, the wave trough 82 in the corrugated slideway 8 is arranged adjacent to the end of the stop projection 11 close to the mounting disc 5, and the wave crest 81 is located at the end of the stop projection 11 away from the mounting disc 5, so as to increase the height difference between the wave crest 81 and the wave trough 82 of the corrugated slideway 8, that is, to increase the slope of the ramp section formed between the wave trough 82 and the wave crest 81, which is beneficial to increasing the rebound force of the elastic guide rod 7 and further improving the automatic reset performance of the knob.

[0068] For the convenience of disassembling and assembling the double-knob switch structure, on the basis of the above embodiments, please refer to Figure 2 , the handle shaft 2 is a detachable structure, which is divided into a first handle shaft 21 and a second handle shaft 22. The opposite ends of the two are integrally connected to two mounting plates 5 respectively, and a detachable connection structure 23 is provided between the opposite end faces of the two mounting plates 5.

[0069] It can be understood that the handle of the automotive combination switch is usually a slender structure, and the handle shaft 2 is arranged along the axial direction of the handle of the automotive combination switch. Then the handle shaft 2 is also a slender structure. The handle shaft 2 is composed of a first handle shaft 21 and a second handle shaft 22 connected by a detachable connection structure 23, which is convenient for the processing of the handle shaft 2 and also convenient for the disassembly and assembly of the handle shaft 2. Among them, the specific structure of the connection structure 23 can refer to the prior art. For example, it is composed of two mutually nested blocks. And to ensure the compact installation of the two knobs on the handle shaft 2, mounting plates 5 are integrally provided at the opposite ends of the first handle shaft 21 and the second handle shaft 22. The inner wall of the end of the first knob 3 has a clearance fit with the outer edge of the mounting plate 5 on the first handle shaft 21, and the inner wall of the end of the second knob 4 has a clearance fit with the outer edge of the mounting plate 5 on the second handle shaft 22, so as to improve the structural compactness of the double-knob switch structure, and further save the internal space of the main handle 1.

[0070] The present application also provides an automotive combination switch handle. Please refer to Figure 1 , which includes a main handle 1 and the above-mentioned double-knob switch structure disclosed in the above embodiments. The handle shaft 2 is arranged in the inner cavity of the main handle 1 and along the center line direction of the handle shaft 2.

[0071] Furthermore, please refer to Figure 7 , a transparent cover 13 is provided at the top of the main handle 1 corresponding to the positions of the two knobs, and the function identifiers set on the two knobs are both located below the transparent cover 13, so that the user can intuitively control the knobs to realize the required functions of the automotive handle.

[0072] In addition, for the convenience of the user to turn the knobs, long strip-shaped blocks 14 arranged along their axial directions are provided on the outer walls of the two knobs, which is beneficial to improving the convenience of the user's operation. Correspondingly, openings are provided at the positions of the main handle 1 corresponding to the knobs, and the long strip-shaped blocks 14 pass through the openings and extend out of the inner cavity of the main handle 1, so that the user can turn the knobs through the long strip-shaped blocks 14.

[0073] It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0074] In this specification, the various embodiments are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts among the various embodiments, reference can be made to each other.

[0075] The above has introduced in detail a double-knob switch structure and an automotive combination switch handle provided by the present utility model. Specific examples are used herein to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A double-knob switch structure, characterized in that, Comprising a handle shaft (2) and two knobs, two adjacent mounting discs (5) are provided on the handle shaft (2), both of the two knobs are rotatably sleeved on the handle shaft (2) and are in clearance fit with the edges of the two mounting discs (5) one by one, annular protrusions (6) are provided on the inner walls of both of the two knobs adjacent to the corresponding mounting discs (5), elastic guide rods (7) and waveform chutes (8) which are in slidable abutting fit and metal elastic pieces (9) and circuit boards (10) which are in rotatable contact fit are respectively provided on opposite end faces of each annular protrusion (6) and the corresponding mounting disc (5) adjacent thereto; Wherein, the waveform chute (8) is provided with mutually staggered wave crests (81) and wave troughs (82), a plurality of electrical contacts are provided on the circuit board (10), when the knob is not stressed and the elastic guide rod (7) is located at the wave trough (82), the metal elastic piece (9) is electrically connected to an electrical contact on the circuit board (10) corresponding to the function of the wave trough (82), and / or, when the knob is stressed and rotated and the elastic guide rod (7) slides to be located at the wave crest (81), the metal elastic piece (9) is electrically connected to an electrical contact on the circuit board (10) corresponding to the function of the wave crest (81).

2. The double-knob switch structure according to claim 1, characterized in that, The handle shaft (2) is a detachable structure and is divided into a first handle shaft (21) and a second handle shaft (22), opposite ends of the two are integrally connected to the two mounting discs (5) respectively, and a detachable connection structure (23) is provided between opposite end faces of the two mounting discs (5).

3. The double-knob switch structure according to claim 1, wherein, A stop protrusion (11) is provided between the waveform chute (8) and the end face of the mounting disc (5), a stop chute (12) for fixing the elastic guide rod (7) in the groove is provided on the end face of the annular protrusion (6) facing the waveform chute (8), and the stop protrusion (11) can be slidably inserted into the stop chute (12) and press against the elastic guide rod (7); Wherein, when the elastic guide rod (7) is located at the foremost wave crest (81), the front edge of the stop protrusion (11) abuts against the front side wall of the stop chute (12), and when the elastic guide rod (7) is located at the rearmost wave crest (81), the rear edge of the stop protrusion (11) abuts against the rear side wall of the stop chute (12).

4. The double-knob switch structure according to claim 3, wherein, The elastic guide rod (7) comprises a spring (71) and a steel ball (72), one end of the spring (71) is fixed in the stop chute (12), and the other end is connected to the steel ball (72) which is in sliding fit with the waveform chute (8).

5. The double-knob switch structure according to claim 3, wherein, The included angle formed by connecting the front edge and the rear edge of the stop protrusion (11) with the center line of the handle shaft (2) is less than 180°.

6. The double-knob switch structure according to any one of claims 1 to 5, characterized in that, When the knob is not stressed and the elastic guide rod (7) is located at the trough (82), the metal elastic sheet (9) is electrically connected to one of the electrical contacts on the circuit board (10) corresponding to the function of the trough (82), and when the knob is stressed and rotated and the elastic guide rod (7) slides to be located at the peak (81), the metal elastic sheet (9) is electrically connected to one of the electrical contacts on the circuit board (10) corresponding to the function of the peak (81); Among them, one trough (82) is provided, two peaks (81) are provided, and three electrical contacts are provided. The three electrical contacts correspond to the front peak (81), the trough (82), and the rear peak (81) one by one to represent different function gears; And three function marks are arranged at intervals around the axis of the outer wall of the knob, and the three function marks correspond to the three electrical contacts one by one for representing different function gears.

7. The double-knob switch structure according to any one of claims 1 to 5, characterized in that, When the knob is not stressed and the elastic guide rod (7) is located at the trough (82), the metal elastic sheet (9) is electrically connected to one of the electrical contacts on the circuit board (10) corresponding to the function of the trough (82); Among them, multiple peaks (81), multiple troughs (82), and multiple electrical contacts are provided. The multiple electrical contacts correspond to the multiple troughs (82) one by one to represent different function gears; And multiple function marks are arranged at intervals around the axis of the outer wall of the knob, and the multiple function marks correspond to the multiple electrical contacts one by one for representing different function gears.

8. An automotive combination switch handle, characterized in that, It includes a main handle (1) and the double-knob switch structure according to any one of claims 1 to 7 above, and the handle shaft (2) is arranged in the inner cavity of the main handle (1) along the center line direction of the handle shaft (2).

9. The automotive combination switch handle according to claim 8, characterized in that, A transparent cover (13) is provided at the top of the main handle (1), and the function marks provided on the knob are located below the transparent cover (13).

10. The automotive combination switch handle according to claim 8, wherein, The main handle (1) is provided with an opening, and the dial block provided on the knob passes through the opening and extends out of the inner cavity of the main handle (1).

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