Combination switch support, steer-by-wire system tubular column and vehicle

Abstract

The utility model relates to the technical field of vehicles, and provides a combined switch support, a steer-by-wire system tubular column and a vehicle. The combined switch support can comprise a tube body, a first pin support and a first connecting rod. The pipe body is located on the side, facing the combined switch, of the outer rotor motor, the pipe body is rotatably arranged on the circumferential outer side of the steering shaft in a sleeving mode, and the combined switch is arranged on the circumferential outer side of the pipe body in a sleeving mode and fixedly connected with the pipe body; the first pin support comprises a first end and a second end, the first end is connected with the circumferential side wall of the tube body, and the second end extends towards the radial outer side of the tube body and extends out of the circumferential side wall of the outer rotor motor; the first connecting rod is located on the circumferential outer side of the outer rotor motor and comprises a third end and a fourth end, the third end is connected with the upper column pipe, and the fourth end is connected with the second end. According to the combination switch support provided by the embodiment of the utility model, an installation position can be provided for the combination switch.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field especially relates to a combined switch support, line control steering system pipe column and vehicle. BACKGROUND

[0002] In the field of the steering system of the automobile, in order to reduce the number of transmission components, improve efficiency and response speed, an outer rotor motor can be used, the rotor of the outer rotor motor rotates outside, and the stator is inside, this design can directly drive the steering wheel, improve the efficiency and response speed of steering.

[0003] Among them, the line control steering system pipe column adopts the outer rotor motor, and the line control steering system pipe column includes an upper column pipe, an outer rotor motor and a combined switch, and the outer rotor motor is located between the upper column pipe and the combined switch.

[0004] Because the outer rotor motor needs to rotate around the pipe column rotation point to follow the upper column pipe, the cast aluminum shell, the upper steering shaft and the like to adjust the movement in the circumferential direction and the radial direction, and the outer rotor motor itself also needs to rotate around the axis of the outer rotor motor, so the combined switch cannot be directly installed on the outer rotor motor shell or the upper column pipe. SUMMARY

[0005] In order to solve the above technical problems or at least partially solve the above technical problems, the utility model provides a combined switch support, line control steering system pipe column and vehicle.

[0006] In the first aspect, the application provides a combined switch support, which can include: a pipe body, the pipe body is located on the side of the outer rotor motor towards the combined switch, the pipe body is rotatably sleeved on the circumferential outer side of the steering shaft, the combined switch is sleeved on the circumferential outer side of the pipe body and is fixedly connected with the pipe body; a first pin support, the first pin support includes a first end and a second end, the first end is connected with the circumferential side wall of the pipe body, the second end extends towards the radial outer side of the pipe body and protrudes from the circumferential side wall of the outer rotor motor; a first connecting rod, the first connecting rod is located on the circumferential outer side of the outer rotor motor, the first connecting rod includes a third end and a fourth end, the third end is connected with the upper column pipe, and the fourth end is connected with the second end.

[0007] In this way, by extending the circumferential side wall of the outer rotor motor through the first pin support, the second end is located on the circumferential outer side of the outer rotor motor, the first connecting rod is used to realize that the combined switch support is connected with the upper column pipe directly around the outer rotor motor, thereby avoiding the contact between the combined switch support and the outer rotor motor, the combined switch support provides a mounting position for the combined switch, realizes the connection between the upper column pipe and the combined switch, and the line control steering system pipe column of the outer rotor motor is practical.

[0008] In some embodiments of the present application, the combined switch bracket comprises a second pin bracket, one end of the second pin bracket is connected with the circumferential side wall of the tube body, the other end extends towards the radial outer side of the tube body and protrudes out of the circumferential side wall of the outer rotor motor, the second pin bracket is circumferentially spaced apart from the first pin bracket at the tube body; a second connecting rod, the second connecting rod is located on the circumferential outer side of the outer rotor motor, one end of the second connecting rod is connected with the upper column pipe, the other end is connected with the fourth end.

[0009] In some embodiments of the present application, the included angle between the first pin bracket and the second pin bracket in the circumferential direction of the tube body is greater than or equal to 100° and less than or equal to 140°.

[0010] In some embodiments of the present application, the cross-sectional area of the first pin bracket gradually decreases in the direction from the first end to the second end.

[0011] In some embodiments of the present application, the third end is detachably connected with the upper column pipe.

[0012] In some embodiments of the present application, the fourth end is detachably connected with the second end.

[0013] In some embodiments of the present application, the tube body comprises a circumferential limiting protrusion for engaging with the combined switch, the circumferential limiting protrusion is arranged on the outer circumferential wall of the tube body, the circumferential limiting protrusion comprises a first limiting surface and a second limiting surface, the first limiting surface and the second limiting surface are oppositely arranged in the circumferential direction of the tube body.

[0014] In some embodiments of the present application, the tube body further comprises an upper axial limiting protrusion and a lower axial limiting protrusion for engaging with the combined switch respectively, the upper axial limiting protrusion and the lower axial limiting protrusion are arranged on the outer circumferential wall of the tube body, the upper axial limiting protrusion comprises a third limiting surface facing away from the outer rotor motor, and the lower axial limiting protrusion comprises a fourth limiting surface facing towards the outer rotor motor.

[0015] In a second aspect, the present application also provides a steer-by-wire system column, which can comprise the combined switch bracket, the combined switch, the upper column pipe and the outer rotor motor according to any one of the above-mentioned schemes, the outer rotor motor is arranged between the combined switch and the upper column pipe, one end of the steering shaft of the outer rotor motor is fixedly connected with the upper column pipe, the other end is rotatably arranged in the combined switch, and the combined switch bracket is mounted between the combined switch and the upper column pipe.

[0016] The technical effects brought by any of the design schemes in the second aspect can refer to the technical effects brought by different design manners in the first aspect, and will not be repeated here.

[0017] In a third aspect, the application further provides a vehicle, which can comprise the steer-by-wire system column and the frame as described in the second aspect.

[0018] The technical effects brought by any of the design schemes in the third aspect can refer to the technical effects brought by different design manners in the first aspect, and will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and serve to explain the principles of the present application, together with the description.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows, and obviously, for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0021] Figure 1 A schematic diagram of the steer-by-wire system column provided for some embodiments of the present application is shown in FIG. 1.

[0022] Figure 2 A schematic diagram of the combination switch shown in FIG. 2 is shown in FIG. 3. Figure 1 A schematic diagram of the combination switch shown in FIG. 2 is shown in FIG. 3.

[0023] Figure 3 A schematic diagram of the combination switch and the combination switch bracket shown in FIG. 2 is shown in FIG. 4. Figure 1 A schematic diagram of the combination switch and the combination switch bracket shown in FIG. 2 is shown in FIG. 4.

[0024] Figure 4 A cross-sectional schematic diagram of the combination switch and the combination switch bracket shown in FIG. 2 is shown in FIG. 5. Figure 1

[0025] REFERENCE SIGNS

[0026] 100, combination switch bracket

[0027] 110, tube body; 111, circumferential limiting protrusion; 1111, first limiting surface; 1112, second limiting surface; 113, lower axial limiting protrusion; 114, axial limiting notch

[0028] 120, first pin bracket; 121, first end; 122, second end

[0029] 130, first connecting rod; 131, third end; 132, fourth end​

[0030] 140, second pin support; 141, fifth end; 142, sixth end;

[0031] 150, second connecting rod; 151, seventh end; 152, eighth end;

[0032] 160, bolt;

[0033] 200, combination switch; 210, first groove; 230, third groove; 240, axial snap;

[0034] 300, outer rotor motor;

[0035] 400, upper column pipe. DETAILED DESCRIPTION

[0036] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the following will further describe the present application. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0037] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced without the specific details described herein; obviously, the embodiments described in the specification are only a part of the embodiments of the present application, not all the embodiments.

[0038] In the field of automobile steering systems, in order to reduce the number of transmission components, improve efficiency and response speed, an outer rotor motor can be used, the rotor of the outer rotor motor rotates outside, and the stator is inside, this design can directly drive the steering wheel, improve the efficiency and response speed of steering.

[0039] The column of the steer-by-wire system adopts an outer rotor motor, the column of the steer-by-wire system includes an upper column pipe, an outer rotor motor and a combination switch, and the outer rotor motor is located between the upper column pipe and the combination switch.

[0040] Because the outer rotor motor needs to rotate around the column rotation point to follow the upper column pipe, the cast aluminum shell, the upper steering shaft and other movements of circumferential adjustment and radial adjustment, and the outer rotor motor itself also needs to rotate around the axis of the outer rotor motor, the combination switch cannot be directly installed on the outer rotor motor shell or the upper column pipe.

[0041] In order to solve the above technical problems, the present application provides a vehicle, which can include a vehicle frame and a column of a steer-by-wire system, and the column of the steer-by-wire system is installed on a support.

[0042] Among them, please refer to Figure 1The column of the steer-by-wire system can include the combination switch 200, the upper column pipe 400, the outer rotor motor 300, and the combination switch bracket 100. The outer rotor motor 300 is arranged between the combination switch 200 and the upper column pipe 400. One end of a steering shaft of the outer rotor motor 300 is fixedly connected to the upper column pipe 400, and the other end is rotatably arranged in the combination switch 200. The combination switch bracket 100 is arranged between the combination switch 200 and the upper column pipe 400.

[0043] Specifically, refer to Figure 2 The combination switch bracket 100 can include a pipe body 110, a first pin bracket 120, and a first connecting rod 130. The pipe body 110 is located on a side of the outer rotor motor 300 facing the combination switch 200. The pipe body 110 is rotatably sleeved on the outer circumferential side of the steering shaft through a bearing. The combination switch 200 is sleeved on the outer circumferential side of the pipe body 110 and is fixedly connected to the pipe body 110.

[0044] Specifically, refer to Figure 3 and Figure 4 The pipe body 110 can include a circumferential limiting protrusion 111 that is clamped with the combination switch 200. The circumferential limiting protrusion 111 is arranged on the outer circumferential wall of the pipe body 110. The circumferential limiting protrusion 111 includes a first limiting surface 1111 and a second limiting surface 1112. The first limiting surface 1111 and the second limiting surface 1112 are oppositely arranged in the circumferential direction of the pipe body 110. The combination switch 200 is provided with a first groove 210 matched with the circumferential limiting protrusion 111. The first limiting surface 1111 and the second limiting surface 1112 are matched with the inner wall of the first groove 210 to limit the rotation of the pipe body 110 relative to the combination switch 200 in the circumferential direction.

[0045] The number of circumferential limiting protrusions 111 can be multiple. The multiple circumferential limiting protrusions 111 are arranged at intervals in the circumferential direction of the pipe body 110.

[0046] The pipe body 110 can further include an upper axial limiting protrusion and a lower axial limiting protrusion 113 that are clamped with the combination switch 200, respectively. The upper axial limiting protrusion and the lower axial limiting protrusion 113 are arranged on the outer circumferential wall of the pipe body 110. The upper axial limiting protrusion includes a third limiting surface facing away from the outer rotor motor 300. The lower axial limiting protrusion 113 includes a fourth limiting surface facing toward the outer rotor motor 300. The combination switch 200 is provided with a second groove matched with the upper axial limiting protrusion and a third groove 230 matched with the lower axial limiting protrusion 113. The third limiting surface is in abutment with the inner wall of the second groove, and the fourth limiting surface is in abutment with the inner wall of the third groove 230 to limit the movement of the pipe body 110 relative to the combination switch 200 in the axial direction.

[0047] Further, refer to Figure 4 The pipe body 110 is provided with an axial limiting notch 114, and the combination switch 200 is provided with an axial clamping hook 240.

[0048] Please continue to see Figure 2 , the first pin support 120 includes a first end 121 and a second end 122, the first end 121 is connected with the circumferential side wall of the pipe body 110, the second end 122 extends towards the radial outer side of the pipe body 110, and extends out of the circumferential side wall of the outer rotor motor 300; the first connecting rod 130 is located on the circumferential outer side of the outer rotor motor 300, and the first connecting rod 130 includes a third end 131 and a fourth end 132, the third end 131 is connected with the upper column pipe 400, and the fourth end 132 is connected with the second end 122.

[0049] Therefore, by extending the circumferential side wall of the outer rotor motor 300 through the first pin support 120, the second end 122 is located on the circumferential outer side of the outer rotor motor 300, and the first connecting rod 130 is used to realize that the combined switch support 100 is directly connected with the upper column pipe 400 around the outer rotor motor 300, thereby avoiding the contact between the combined switch support 100 and the outer rotor motor 300, the combined switch support 100 provides a mounting position for the combined switch 200, and the line control steering system column of the outer rotor motor 300 has strong practicability.

[0050] In some embodiments of the present application, please continue to see Figure 2 The combined switch support 100 can further include a second pin support 140 and a second connecting rod 150, the second pin support 140 includes a fifth end 141 and a sixth end 142, the fifth end 141 is connected with the circumferential side wall of the pipe body 110, the sixth end 142 extends towards the radial outer side of the pipe body 110, and extends out of the circumferential side wall of the outer rotor motor 300, and the second pin support 140 is arranged in the circumferential direction of the pipe body 110 and is spaced apart from the first pin support 120; the second connecting rod 150 is located on the circumferential outer side of the outer rotor motor 300, and the second connecting rod 150 includes a seventh end 151 and an eighth end 152, the seventh end 151 is connected with the upper column pipe 400, and the eighth end 152 is connected with the fourth end 132.

[0051] It can be understood that by arranging the second pin support 140 and the second connecting rod 150, in cooperation with the first pin support 120 and the first connecting rod 130, the stability of the combined switch support 100 in the circumferential direction and the axial direction during use can be enhanced.

[0052] Meanwhile, by arranging the first pin support 120, the second pin support 140 and the pipe body 110, three fixed positions are provided for the combined switch support 100, thereby ensuring the stability of the combined switch support 100 arranged between the combined switch 200 and the upper column pipe 400.

[0053] In the specific implementation process, the included angle between the first pin support 120 and the second pin support 140 can be set to 100°, 110°, 120°, 130°, or 140°, etc.

[0054] Among them, the optimal value of the included angle between the first pin support 120 and the second pin support 140 is 120°.

[0055] In some embodiments of the present application, the included angle between the first pin support 120 and the second pin support 140 in the circumferential direction of the pipe body 110 is greater than or equal to 100° and less than or equal to 140°.

[0056] It can be understood that, in the force balance angle, the 120° included angle can provide better force balance and distribution, which helps to improve the stability and carrying capacity of the structure. The 120° included angle can reduce stress concentration and prolong the service life of the material.

[0057] In other embodiments, a third pin support and a third connecting rod can also be provided, and the first pin support 120, the second pin support 140, and the third pin support are uniformly spaced in the circumferential direction of the pipe body 110.

[0058] In some embodiments of the present application, please continue to refer to Figure 2 In the direction from the first end 121 to the second end 122, the cross-sectional area of the first pin support 120 gradually decreases, so that, under the premise of reserving the connection position of the second end 122 with the first connecting rod 130, the raw materials can be saved and the structural strength can be ensured.

[0059] Further, in the direction from the fifth end 141 to the sixth end 142, the cross-sectional area of the second pin support 140 gradually decreases.

[0060] In some embodiments of the present application, please continue to refer to Figure 1 and Figure 2 The third end 131 is detachably connected with the upper column pipe 400, specifically, the third end 131 of the first connecting rod 130 is formed into an external thread structure, and the upper column pipe 400 is provided with a threaded hole matched with the third end 131, so as to realize the detachable connection between the first connecting rod 130 and the upper column pipe 400, facilitating the assembly and disassembly between the first connecting rod 130 and the upper column pipe 400.

[0061] It can be understood that, in the embodiment with the second pin support 140 and the second connecting rod 150, the seventh end 151 of the second connecting rod 150 can also be formed into an external thread structure, and the upper column pipe 400 is provided with a threaded hole matched with the seventh end 151.

[0062] In some embodiments of the present application, please continue to refer toFigure 2 The fourth end 132 is detachably connected with the second end 122, in particular, the fourth end 132 is formed as a structure with internal thread, the second end 122 is formed as a through hole or a threaded hole matched with the fourth end 132, and then fixed by a bolt 160.

[0063] It can be understood that in the embodiment with the second pin support 140 and the second connecting rod 150, the eighth end 152 is detachably connected with the sixth end 142, in particular, the eighth end 152 is formed as a structure with internal thread, the sixth end 142 is formed as a through hole or a threaded hole matched with the eighth end 152, and then fixed by a bolt 160.

[0064] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0065] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0066] In the description of the embodiments of the present application, the term "and / or" means and covers any and all possible combinations of one or more of the listed items associated. The term "and / or" is a description of the association relationship of the associated objects, which means that there can be three kinds of relationships, for example, A and / or B can represent: A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in the present application generally represents that the front and rear associated objects are in an "or" relationship.

[0067] In the description of the embodiments of the utility model, need explanation, unless another explicit provision and limitation, term " install " " link " " connection " should do broad sense understanding, for example, " connection " can be detachable connection, also can be unremovably connected, can be direct connection, also can be indirectly connected through intermediate medium. Among them, " fixed connection " refers to the relative position relation of each other after connection is invariable. In addition, the position language mentioned in the embodiments of the utility model, for example, " inner " " outer " etc. are only the direction of reference drawing, therefore, the position language used is for better, more clearly illustrate and understand the embodiments of the utility model, and is not indicate or imply that the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore, cannot be understood as the limitation of the embodiments of the utility model.

[0068] In the description of the embodiments of the utility model, the term " includes " " contains " or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent to such process, method, article or device. Without more limitation, the element defined by the sentence " includes a … " does not exclude the existence of another identical element in the process, method, article or device including the element. Without more limitation, the element defined by the sentence " includes a … " does not exclude the existence of another identical element in the process, method, article or device including the element.

[0069] The above is only the specific implementation of the utility model, so that those skilled in the art can understand or realize the utility model. Various modifications of these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments described herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. A combination switch bracket characterized by, The application relates to a combined switch support for a steer-by-wire system column. The application relates to a combined switch support for a steer-by-wire system column. The application relates to a combined switch support for a steer-by-wire system column. The application relates to a combined switch support for a steer-by-wire system column.

2. The combination switch bracket of claim 1, wherein, The application relates to a combined switch support for a steer-by-wire system column. The application relates to a combined switch support for a steer-by-wire system column. The application relates to a combined switch support for a steer-by-wire system column.

3. The combination switch bracket of claim 2, wherein, The application relates to a combined switch support for a steer-by-wire system column.

4. The combination switch bracket of claim 1, wherein, The application relates to a combined switch support for a steer-by-wire system column.

5. The combination switch bracket of claim 1, wherein, The application relates to a combined switch support for a steer-by-wire system column.

6. The combination switch bracket of claim 1, wherein, The application relates to a combined switch support for a steer-by-wire system column.

7. The combination switch bracket of claim 1, wherein, The application relates to a combined switch support for a steer-by-wire system column.

8. The combination switch bracket of claim 1, wherein, The application relates to a combined switch support for a steer-by-wire system column.

9. A steer-by-wire column, characterized by, The application relates to a combined switch support for a steer-by-wire system column. The application relates to a combined switch support for a steer-by-wire system column. The application relates to a combined switch support for a steer-by-wire system column.

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