Cap assembly and multi-position rotary switch

Abstract

The utility model relates to the technical field of switch, provide a cap body subassembly and multi -gear rotary switch, cap body subassembly is used for multi -gear rotary switch, and multi -gear rotary switch includes base, rotating shaft and gear shift mechanism, is set up with a plurality of gear holes on gear shift mechanism, cap body subassembly is connected with rotating shaft, and cap body subassembly is suitable for operating rotating shaft to switch one of a plurality of gear holes to be in the working position, and cap body subassembly includes: knob cap, the side to base is connected with rotating shaft, first limit structure and second limit structure all set up on the base, rotating disc, the outer periphery of rotating shaft is covered, and rotating disc is provided with third limit structure and fourth limit structure, wherein, first limit structure and third limit structure are in the lowest gear limit, and second limit structure and fourth limit structure are in the highest gear limit. The utility model can be suitable for the use of a variety of gears, and the versatility of cap body subassembly is improved.

Description

Technical Field

[0001] This utility model relates to the field of switch technology, and in particular to a cap assembly and a multi-position rotary switch. Background Technology

[0002] A multi-position rotary switch is a mechanical switch that switches different circuit connection states by rotating it. Its core function is to realize the on / off state of the circuit, function conversion or signal selection by discretely switching the positions.

[0003] In the existing technology, rotary switches with different numbers of gear positions correspond to different cap components, which lacks versatility and increases the mold and production costs for manufacturers.

[0004] Therefore, how to provide a cap assembly and a multi-position rotary switch that can improve versatility is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] This utility model provides a hat body assembly to solve the defect of the lack of universality of the existing hat body assembly, thereby improving the universality of the hat body assembly.

[0006] This utility model provides a cap assembly for a multi-position rotary switch. The multi-position rotary switch includes a base, a rotating shaft, and a position switching mechanism. The base has multiple position holes. Both the cap assembly and the position switching mechanism are connected to the rotating shaft. The cap assembly is adapted to operate the rotating shaft to switch one of the multiple position holes to a working position that matches the position switching mechanism. The cap assembly includes: A knob cap is connected to the rotating shaft on the side facing the base; The first limiting structure and the second limiting structure are both disposed on the base; A rotating disk is sleeved on the outer periphery of the rotating shaft, and the rotating disk is provided with a third limiting structure and a fourth limiting structure; The first limiting structure and the third limiting structure are limited at the lowest gear, while the second limiting structure and the fourth limiting structure are limited at the highest gear.

[0007] According to the present invention, a cap body assembly is provided, wherein the knob cap has a positioning hole on the side facing the base, and the rotating shaft is detachably inserted into the positioning hole, wherein the outer circumference of the rotating shaft is adapted to the inner circumference of the positioning hole.

[0008] According to the present invention, a hat body assembly is provided, wherein the positioning hole includes an arc-shaped contact surface and a planar contact surface that are connected end to end.

[0009] According to the present invention, the radial cross-section of the arc-shaped contact surface is mostly semi-circular.

[0010] According to the present invention, a cap body assembly includes a knob cap comprising: The cap body is circular, with its bottom positioned near the rotation axis, and the positioning hole is located in the middle of the cap body; The grip is integrally formed on the top of the cap body; the grip is arranged radially along the cap body.

[0011] According to the present invention, a cap body assembly includes an annular body and a recessed platform. The recessed platform is located inside the annular body and is spaced apart from the bottom side of the annular body. The recessed platform has a mounting hole. The knob cap also includes a mounting part, which is disposed in the mounting hole and is flush with the bottom side of the annular body.

[0012] According to the present invention, a cap assembly includes a mounting hole comprising a first elongated hole, a round hole, and a second elongated hole, wherein the mounting portion is disposed within the round hole; the extending directions of the first elongated hole and the second elongated hole are the same as the extending directions of the gripping portion.

[0013] According to the present invention, a hat body assembly is provided with an indicator mark on the top of the hat body.

[0014] This utility model also provides a multi-position rotary switch, including: The cap body assembly as described above; Base; A rotating shaft is rotatably connected to the base. The gear shifting mechanism has multiple gear shift holes; The cap assembly as described above, and under the action of the cap assembly, the rotating shaft is operated to switch one of the plurality of the position holes to the working position.

[0015] According to the multi-position rotary switch provided by this utility model, the position switching mechanism includes a potentiometer.

[0016] The cap assembly provided by this utility model is suitable for operating a rotating shaft to switch one of the multiple gear holes in the gear switching mechanism to the working position. It is connected to the rotating shaft via a knob cap facing the base. A first limiting structure and a second limiting structure are both disposed on the base. A rotating disk is sleeved on the outer periphery of the rotating shaft, and a third limiting structure and a fourth limiting structure are disposed on the rotating disk. The first limiting structure and the third limiting structure limit the lowest gear, and the second limiting structure and the fourth limiting structure limit the highest gear. The positions of the third limiting structure and the fourth limiting structure on the rotating disk can be set according to requirements, thus enabling the cap assembly to be used with multiple gears and improving the versatility of the cap assembly.

[0017] The multi-position rotary switch provided by this utility model has the various advantages described above because it includes the cap assembly as described above. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a cross-sectional view of the multi-position rotary switch provided by this utility model.

[0020] Figure 2 This is one of the partial structural schematic diagrams of the multi-position rotary switch provided by this utility model.

[0021] Figure 3 This is the second partial structural schematic diagram of the multi-position rotary switch provided by this utility model.

[0022] Figure 4 This is the third partial structural schematic diagram of the multi-position rotary switch provided by this utility model.

[0023] Figure 5 This is a schematic diagram of the structure of the knob cap provided by this utility model.

[0024] Figure label: 10. Base; 20. Rotating shaft; 30. Gear shifting mechanism; 1. Knob cap; 2. First limiting structure; 3. Second limiting structure; 4. Rotating disc; 5. Third limiting structure; 6. Fourth limiting structure; 7. Indicator mark; 11. Cap body; 12. Handling part; 13. Mounting part; 14. First elongated hole; 15. Second elongated hole; 111. Ring body; 112. Recessed platform. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] The following is combined Figures 1-5 This invention describes the cap body assembly.

[0027] like Figures 1-4 As shown, this utility model embodiment provides a cap assembly for a multi-position rotary switch. The multi-position rotary switch includes a base 10, a rotating shaft 20, and a position switching mechanism 30. The base 10 has multiple position holes. The cap assembly and the position switching mechanism are both connected to the rotating shaft 20. The cap assembly is adapted to operate the rotating shaft 20 to switch one of the multiple position holes to be in the working position by matching it with the position switching mechanism.

[0028] The cap assembly includes: a knob cap 1, a first limiting structure 2, a second limiting structure 3, and a rotating disk 4. The knob cap 1, facing the base 10, is connected to the rotating shaft 20. The knob cap 1 serves as the user's operating end, rotating to drive the rotating shaft 20. Both the first limiting structure 2 and the second limiting structure 3 are mounted on the base 10. The rotating disk 4 is fitted around the outer circumference of the rotating shaft 20 and rotates synchronously with it. The rotating disk 4 is equipped with a third limiting structure 5 and a fourth limiting structure 6. Specifically, the first limiting structure 2 and the third limiting structure 5 limit the rotation at the lowest setting. When the rotation reaches the lowest setting, the first limiting structure 2 on the base contacts the third limiting structure 5 on the rotating disk, preventing the rotating shaft from continuing to rotate in that direction, thus preventing it from falling below the lowest setting. The second limiting structure 3 and the fourth limiting structure 6 limit the rotation at the highest setting. When the rotation reaches the highest setting, the second limiting structure 3 on the base contacts the fourth limiting structure 6 on the rotating disk, preventing the rotating shaft from continuing to rotate in that direction, thus preventing it from exceeding the highest setting.

[0029] Traditional hat body components can only be adapted to specific gear positions. However, in this embodiment of the invention, the positions of the third limiting structure 5 and the fourth limiting structure 6 on the rotating disk 4 can be set according to requirements. Therefore, the hat body component can be used for different gear positions, improving the versatility of the hat body component.

[0030] In one feasible embodiment of this utility model, a positioning hole is provided on the side of the knob cap 1 facing the base 10, and the rotating shaft 20 is fixedly inserted into the positioning hole, with the outer circumference of the rotating shaft 20 matching the inner circumference of the positioning hole. This gapless fitting structure reduces the possibility of knob wobbling, provides a clearer feel for the user during operation, and avoids misalignment of the limiting structure due to wobbling. Compared to screw fixing or welding, the shaft-hole insertion method requires no additional fasteners; simply align the rotating shaft with the positioning hole and insert it to complete the connection, significantly simplifying the production and assembly process and reducing costs.

[0031] In one feasible embodiment of this utility model, the positioning hole includes an arc-shaped contact surface and a planar contact surface that meet end to end. The arc-shaped contact surface occupies most of the positioning hole and is smooth and rounded, used to fit against the arc-shaped portion of the outer periphery of the rotating shaft 20, providing radial support over a large area. The planar contact surface occupies a small portion and is a straight plane, which fits tightly against the corresponding planar portion of the outer periphery of the rotating shaft 20, forming an anti-rotation jamming point. During operation, the rotating shaft is subjected to radial loads. The large-area arc-shaped contact can evenly distribute the radial force on the contact surface, significantly reducing the pressure per unit area and avoiding deformation and wear of the positioning hole or rotating shaft caused by local stress concentration. The smooth, rounded fit can adapt to the natural curvature of the rotating shaft 20, ensuring the continuity of contact and reducing radial wobble caused by contact gaps.

[0032] In one feasible embodiment of this invention, the radial cross-section of the arc-shaped contact surface is mostly semi-circular. This semi-circular shape can cover more than 50% of the outer circumference of the rotating shaft 20, resulting in a contact area closer to the maximum of the shaft's half-circumference. The minimal gap effectively limits the multi-directional radial displacement of the shaft. The arc-shaped contact surface with its semi-circular cross-section offers a larger effective support area and a more rational force transmission path, demonstrating significant advantages when bearing radial loads.

[0033] like Figure 4 As shown, in a feasible embodiment of this utility model, the knob cap 1 includes a cap body 11 and a handle 12. The cap body 11 is circular, with its bottom positioned near the rotation axis 20, and a positioning hole is provided in the middle of the cap body 11; the handle 12 is integrally disposed on the top of the cap body 11; the handle 12 is arranged radially along the cap body 11. The structural design of the cap body 11 and the handle 12 directly conforms to the human hand operating the device, significantly reducing the difficulty of operation. When a human hand rotates an object, the natural direction of force is radial, and the radial arrangement of the handle along the cap body maximizes the distance between the point of force application and the rotation axis.

[0034] like Figure 5As shown, in a feasible embodiment of this utility model, the cap body 11 includes an annular body 111 and a recessed platform 112. The recessed platform 112 is located inside the annular body 111, and there is a gap between the recessed platform 112 and the bottom side of the annular body 111, forming a hidden receiving cavity that can be used to accommodate the top end of the rotating shaft. The recessed platform 112 has a mounting hole, and the knob cap 1 also includes a mounting part 13. The mounting part 13 is disposed in the mounting hole, and the mounting part 13 is flush with the bottom side of the annular body 111, avoiding step interference caused by the protrusion of the mounting part 13. The combined structure of the annular body 111 and the recessed platform 112 improves the deformation resistance of the cap body while reducing weight, ensuring reliable torque transmission.

[0035] In one feasible embodiment of this utility model, the mounting hole includes a first elongated hole 14, a round hole, and a second elongated hole 15 that are connected. The mounting part 13 is disposed in the round hole. The extending directions of the first elongated hole and the second elongated hole are the same as the extending directions of the gripping part 12. When the knob transmits torque, the mounting part 13 needs to bear the reaction force of the rotating shaft 20. The round hole bears the main torque through surface contact, while the first elongated hole 14 and the second elongated hole 15 can be separated by the inner wall to avoid the round hole being subjected to excessive force alone, which would cause the hole diameter to deform and ensure the assembly accuracy after long-term use.

[0036] like Figure 2 As shown, in a feasible embodiment of this utility model, the top of the cap 11 is also provided with an indicator mark 7. The indicator mark 7 can intuitively mark the functional state corresponding to the current rotation position of the rotary knob. Users do not need to rely on memory or repeated trial and error. They can quickly confirm the position of the knob by the mark, which greatly reduces the operation error caused by misjudgment of position.

[0037] A second aspect of this utility model provides a multi-position rotary switch, including a base 10, a rotating shaft 20, a position switching mechanism 30, and a cap assembly as described in any of the above embodiments. The cap assembly is rotatably mounted on the base 10; the rotating shaft 20 is connected to the cap assembly; and the position switching mechanism 30 is sleeved on the outer periphery of the rotating shaft 20.

[0038] The multi-position rotary switch provided by this utility model achieves switching between different positions through the rotation of the rotating shaft 20. The cap assembly is stably connected to the rotating shaft 20, and the precise triggering of the position switching mechanism 30 is crucial. Because the multi-position rotary switch provided by this utility model includes the cap assembly described above, it can improve the versatility of the multi-position rotary switch.

[0039] In one feasible embodiment of this utility model, the gear switching mechanism 30 includes a potentiometer, which outputs different voltage values ​​by utilizing the linear change of the potentiometer's resistance, and has strong anti-magnetic interference capability.

[0040] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model according to the specific circumstances.

[0041] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "method," "specific method," or "some methods," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or method is included in at least one embodiment or method of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or method. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or methods. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or methods described in this specification, as well as the features of different embodiments or methods.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A hat body assembly, characterized in that, For a multi-position rotary switch, the multi-position rotary switch includes a base (10), a rotating shaft (20), and a position switching mechanism (30). The base (10) has multiple position holes. The cap assembly and the position switching mechanism (30) are both connected to the rotating shaft (20), and the cap assembly is adapted to operate the rotating shaft (20) to switch one of the multiple position holes to be adapted to the position switching mechanism (30) in a working position. The cap assembly includes: The knob cap (1) is connected to the rotating shaft (20) on the side facing the base (10); The first limiting structure (2) and the second limiting structure (3) are both disposed on the base (10); A rotating disk (4) is sleeved on the outer periphery of the rotating shaft (20), and a third limiting structure (5) and a fourth limiting structure (6) are provided on the rotating disk (4). The first limiting structure (2) and the third limiting structure (5) are limited at the lowest gear, while the second limiting structure (3) and the fourth limiting structure (6) are limited at the highest gear.

2. The cap assembly according to claim 1, characterized in that, The knob cap (1) has a positioning hole on the side facing the base (10), and the rotating shaft (20) is detachably inserted into the positioning hole. The outer circumference of the rotating shaft (20) is adapted to the inner circumference of the positioning hole.

3. The cap assembly according to claim 2, characterized in that, The positioning hole includes an arc-shaped contact surface and a planar contact surface that are connected end to end.

4. The cap assembly according to claim 3, characterized in that, The radial cross-section of the arc-shaped contact surface is mostly semi-circular.

5. The cap assembly according to claim 2, characterized in that, The knob cap (1) includes: The cap body (11) is circular, with its bottom positioned close to the rotating shaft (20), and the positioning hole is provided in the middle of the cap body (11); The grip (12) is integrally disposed on the top of the cap body (11); the grip (12) is disposed radially along the cap body (11).

6. The cap assembly according to claim 5, characterized in that, The cap body (11) includes an annular body (111) and a recess (112). The recess (112) is located inside the annular body (111) and has a gap distance from the bottom side of the annular body (111). The recess (112) has a mounting hole. The knob cap (1) also includes a mounting part (13). The mounting part (13) is disposed in the mounting hole and is flush with the bottom side of the annular body (111).

7. The cap assembly according to claim 6, characterized in that, The mounting hole includes a first elongated hole (14), a round hole and a second elongated hole (15) that are connected, and the mounting part (13) is disposed in the round hole; the extension direction of the first elongated hole and the second elongated hole is the same as the extension direction of the gripping part (12).

8. The cap assembly according to claim 5, characterized in that, The top of the cap (11) is also provided with an indicator (7).

9. A multi-position rotary switch, characterized in that, include: Base (10); A rotating shaft (20) is rotatably connected to the base (10); The gear shifting mechanism (30) has multiple gear holes; The cap assembly as described in any one of claims 1-8, wherein the rotating shaft is operated by the cap assembly to switch one of the plurality of the position holes to a working position.

10. The multi-position rotary switch according to claim 9, characterized in that, The gear shifting mechanism (30) includes a potentiometer.

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