Multi-gear switch

Abstract

The invention provides a multi-gear switch, and belongs to the field of switches. The shaft rod is inserted into the upper cover and can rotate relative to the upper cover; the elastic bead assembly is inserted into the shaft rod, and the two ends of the elastic bead assembly abut against the inner side wall of the upper cover; the inductor is connected with the first end of the shaft rod in a matched mode. The adjusting part is arranged at the first end of the shaft rod, and the adjusting part and the sensor are arranged in a matched mode; the upper cover comprises a first cover body, and a shaft rod is inserted into the first cover body; and the number of the limiting grooves is multiple, the multiple limiting grooves are formed in the inner side wall of the first cover body at intervals in the circumferential direction, and the two ends of the elastic bead assembly abut against the limiting grooves correspondingly. The multi-gear switch structure aims to solve the problems that in the prior art, a multi-gear switch structure is fuzzy in gear positioning, poor in switching hand feeling and the like. The technical effect that the hand feeling is smooth when gears are switched is achieved.

Description

Technical Field

[0001] This invention relates to the field of switch technology, and more particularly to a multi-position switch. Background Technology

[0002] In fields such as electronic equipment, home appliances, and industrial control, multi-position switches are core components for function adjustment and state switching, and their performance directly affects the operating accuracy and user experience of the equipment. As equipment develops towards miniaturization and high precision, higher requirements are placed on the structural compactness, position switching stability, and service life of multi-position switches.

[0003] Existing multi-position switches often suffer from problems such as unclear position positioning, poor switching feel, and easy loosening or failure after long-term use. Traditional switches mostly achieve position adjustment through complex mechanical snap-fit ​​structures, which are not only difficult to assemble, but also prone to position deviation due to component wear during frequent rotation, affecting the normal operation of the switch. Summary of the Invention

[0004] This invention provides a multi-position switch to solve the defects of existing multi-position switch structures, such as ambiguous position positioning, poor switching feel, and easy loosening or failure after long-term use. It achieves a multi-position switch structure with a smoother feel when switching positions and reduces the probability of position deviation caused by loosening after long-term use.

[0005] This invention provides a multi-position switch, comprising: Top cover; A shaft is inserted into the upper cover and can rotate relative to the upper cover; The elastic bead assembly is inserted into the shaft, and both ends of the elastic bead assembly abut against the inner sidewall of the upper cover. The sensor is connected to the first end of the shaft. An adjustment unit is located at the first end of the shaft and is configured in conjunction with a sensor. The top cover includes: A first cover body, on which a shaft is inserted; The limiting grooves are arranged at intervals along the circumferential direction on the inner side wall of the first cover, and the two ends of the elastic bead assembly abut against one of the limiting grooves respectively.

[0006] In addition, the multi-position switch according to the present invention may also have the following additional technical features: In some embodiments of the present invention, the elastic bead assembly includes: A spring is inserted into the shaft along the radial direction of the shaft. The spring has a ball bearing attached to its end, and the ball bearing abuts against the corresponding limiting groove.

[0007] In some embodiments of the present invention, it further includes: Gear adjustment component, which is detachably mounted on the first cover; Gear adjustment holes, multiple gear adjustment holes are spaced out along the circumference on the first cover; The shaft also includes: A limit block is mounted on the shaft. One end of the gear adjustment component can pass through any one of the gear adjustment holes and abut against the shaft. The limit block can rotate with the shaft. The gear adjustment component is used to limit the maximum rotation position of the limit block.

[0008] In some embodiments of the present invention, the gear adjustment component includes: A gear adjustment ring is rotatably connected to the first cover. The gear adjustment lever is located on one side of the gear adjustment ring. The gear adjustment lever can pass through any one of the gear adjustment holes and abut against the shaft. The limiting block can rotate with the shaft until it contacts the gear adjustment lever.

[0009] In some embodiments of the present invention, the top cover further includes: A limit stop is provided on the bottom wall of the upper cover. The limit block is located between the gear adjustment rod and the limit stop. The limit block can rotate with the shaft until it contacts the limit stop.

[0010] In some embodiments of the present invention, it further includes: Knob cap, the knob cap is connected to the second end of the shaft.

[0011] In some embodiments of the present invention, the shaft includes: The first shaft part, one end of which is connected to the knob cap; The second shaft portion has one end connected to the other end of the first shaft portion; The central shaft is connected to the other end of the second shaft body. The central shaft is rotatably inserted into the first cover body. A limiting block is provided on the surface of the central shaft, and a spring is inserted in the radial direction of the central shaft.

[0012] In some embodiments of the present invention, the shaft further includes: A limiting ring is fitted onto the surface of the central shaft, and a limiting block is provided on the side of the limiting ring.

[0013] In some embodiments of the present invention, it further includes: The middle cover has a first side connected to the first cover body, and a portion of the sensor is located inside the middle cover; The lower cover is connected to the second side of the middle cover, and another part of the sensor is located inside the lower cover.

[0014] In some embodiments of the present invention, it further includes: A positioning groove is formed on one side of the first cover. The middle cover includes: The second cover has a first side connected to the first cover and a second side connected to the lower cover. A raised locking block is provided on the first side of the second cover and is inserted into the positioning groove.

[0015] In summary, this application includes the following beneficial technical effects: the setting of the elastic ball assembly inserted on the shaft and the two ends abutting against the limiting groove on the inner side wall of the upper cover can clearly locate each gear position, solve the problem of gear position ambiguity, and at the same time bring a smoother feel when switching gears; since the elastic abutting setting of the elastic ball assembly and the limiting groove can reduce the gap between components, reduce the assembly difficulty, reduce the probability of gear position deviation caused by loosening after long-term use, and extend the service life of the switch. Attached Figure Description

[0016] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0017] Figure 1 A first exploded view of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0018] Figure 2 A second exploded view of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0019] Figure 3 A perspective view of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0020] Figure 4 A first view schematically illustrating the internal structure of a multi-position switch according to some embodiments of the present invention is shown.

[0021] Figure 5 A second view schematically illustrates the internal structure of a multi-position switch according to some embodiments of the present invention.

[0022] Figure 6 A first perspective view of a multi-position switch excluding the middle and lower covers is schematically shown according to some embodiments of the present invention.

[0023] Figure 7A second perspective view of a multi-position switch excluding the middle and lower covers is shown schematically according to some embodiments of the present invention.

[0024] Figure 8 A third view schematically illustrates the internal structure of a multi-position switch according to some embodiments of the present invention.

[0025] Figure 9 A first perspective view of the top cover of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0026] Figure 10 A second perspective view of the top cover of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0027] Figure 11 A third perspective view of the top cover of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0028] Figure 12 A first perspective view of the shaft of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0029] Figure 13 A second perspective view of the shaft of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0030] Figure 14 A first perspective view of the center cover of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0031] Figure 15 A second perspective view of the center cover of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0032] Figure 16 A perspective view of a gear adjustment member of a multi-position switch according to some embodiments of the present invention is shown schematically.

[0033] Figure label: 1. Top cover; 101. First cover body; 102. Protruding ring; 103. Connecting sleeve; 104. Pin hole; 105. Gear adjustment hole; 106. Limiting groove; 1061. Protrusion; 1062. Recess; 107. Positioning groove; 108. Connecting groove; 109. Limiting block; 2. Shaft; 201. First shaft body; 202. Second shaft body; 203. Limiting ring; 204. Limiting block; 205. Central shaft; 206. Adjustment part; 207. Adjustment insertion hole; 208. Shaft connecting piece; 3. Middle cover ; 301, Second cover; 302, First connecting block; 3021, First connecting hole; 303, Second connecting block; 3031, Second connecting hole; 304, Protruding locking block; 4, Knob cap; 5, Lower cover; 6, Elastic ball assembly; 61, Spring; 62, Ball bearing; 7, Controller; 8, Sensor; 9, Gear adjustment component; 91, Gear adjustment ring; 92, Gear adjustment rod; 10, First sealing ring; 11, Nut; 12, Sleeve; 13, Second sealing ring; 14, Screw; 15, Pin; 16, Threaded rod. Detailed Implementation

[0034] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0035] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “” used herein may also indicate the inclusion of the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated, unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0036] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0037] For ease of description, spatial relative terms may be used in the text to describe the relationship of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "over," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure is flipped, an element described as "below other elements or features" or "below other elements or features" would subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may also be rotated 90 degrees or in other orientations, and the spatial relative descriptors used in the text will be interpreted accordingly.

[0038] like Figures 1 to 16 As shown, according to an embodiment of the first aspect of the present invention, a multi-position switch is provided, including an upper cover 1, a shaft 2, an elastic bead assembly 6, an adjustment part 206 and a sensor 8. The shaft 2 is inserted into the upper cover 1 and is rotatable relative to the upper cover 1. The sensor 8 is connected to the first end of the shaft 2. The elastic bead assembly 6 is inserted into the shaft 2, and both ends of the elastic bead assembly 6 abut against the inner sidewall of the upper cover 1. An adjustment part 206 is provided at the first end of the shaft 2. The adjustment part 206 is configured to cooperate with the sensor 8. An elastic ball assembly 6 is inserted radially into the shaft 2. The upper cover 1 includes a first cover body 101 and a limiting groove 106. A shaft 2 is inserted into the first cover body 101. There are multiple limiting grooves 106. Multiple limiting grooves 106 are arranged at intervals along the circumferential direction on the inner side wall of the first cover body 101. The two ends of the elastic bead assembly 6 respectively abut against one limiting groove 106. Both ends of the elastic bead assembly 6 abut against the limiting groove 106.

[0039] In the above embodiments, it should be noted that the sensor 8 can be a Hall chip or a potentiometer, and the adjustment part can be a plug or a magnet; when the sensor 8 is a Hall chip, the adjustment part 206 is a magnet, and the adjustment part 206 is magnetically connected to the Hall chip; when the sensor 8 is a potentiometer, the adjustment part 206 is a plug, and the adjustment part 206 is inserted into the sensor 8.

[0040] Each limiting groove 106 includes at least one protrusion 1061 and at least one recess 1062. The at least one protrusion 1061 and at least one recess 1062 are arranged alternately on the inner sidewall of the first cover 101, and the at least one protrusion 1061 and at least one recess 1062 are arranged in a circumferential array. The shape of each protrusion 1061 and each recess 1062 is arc-shaped. Multiple limiting grooves 106 can cooperate to form a circular wave shape.

[0041] It also includes controller 7, and sensor 8 is electrically connected to controller 7. Regardless of whether sensor 8 is a Hall chip or a potentiometer, the electrical connection between sensor 8 and controller 7 adopts the existing connection method, which will not be discussed in detail here.

[0042] The technical effects achieved by the above embodiments are as follows: by radially inserting the shaft 2 into the elastic bead assembly 6, and setting the two ends to abut against the limiting groove 106 on the inner side wall of the upper cover 1, each gear position can be clearly positioned, solving the problem of gear position ambiguity, and at the same time bringing a smoother feel when switching gears; since the elastic abutment setting between the elastic bead assembly 6 and the limiting groove 106 can reduce the gap between components, reduce the assembly difficulty, reduce the probability of gear position deviation caused by loosening after long-term use, and extend the service life of the switch.

[0043] Optional, such as Figure 1 and Figure 2 As shown, the elastic ball assembly 6 includes a spring 61 and a ball 62. The spring 61 is inserted into the shaft 2 along the radial direction of the shaft 2. The end of the spring 61 is connected to the ball 62, and the ball 62 abuts against the corresponding limiting groove 106.

[0044] In the above optional embodiments, it should be noted that the number of springs 61 is at least one, and the number of balls 62 is twice the number of springs 61. Each spring 61 is inserted in the radial direction of the shaft 2. Each end of each spring 61 is connected to a ball 62 by welding or screwing. Each ball 62 abuts against the limiting groove 106 and each ball 62 abuts against one of the recesses 1062.

[0045] The advantages of the above optional embodiments are: the combination of spring 61 and ball 62 makes the gear shifting feel smoother, indirectly increasing the convenience of gear shifting.

[0046] Optional, such as Figure 1 , Figure 2 , Figure 4 , Figure 6 , Figure 8 and Figure 16 As shown, it also includes: Gear adjustment component 9 is detachably mounted on the first cover 101; Gear adjustment hole 105, multiple gear adjustment holes 105 are spaced apart along the circumferential direction on the first cover 101; Shaft 2 also includes: The limiting block 204 is set on the shaft 2. One end of the gear adjustment member 9 can pass through any one of the gear adjustment holes 105 and abut against the shaft 2. The limiting block 204 can rotate with the shaft 2. The gear adjustment member 9 is used to limit the maximum rotation position of the limiting block 204.

[0047] In the above optional embodiments, it should be noted that the limiting block 204 is set on the shaft 2 by welding, screwing or bonding.

[0048] The advantages of the above optional embodiments are as follows: by setting the gear adjustment component 9 in conjunction with the limit block 204, when the switch is shifted to the set maximum gear, the gear can only be reduced one gear at a time, and there will be no situation where the gear jumps directly from the highest gear to the lowest gear, thereby increasing the safety and reliability of the switch; by setting the gear adjustment hole 105, the maximum number of gears of the switch can be adjusted according to actual needs.

[0049] Optional, such as Figure 16 As shown, the gear adjustment component 9 includes a gear adjustment ring 91 and a gear adjustment rod 92. The gear adjustment ring 91 is rotatably connected to the first cover 101. The gear adjustment rod 92 is disposed on one side of the gear adjustment ring 91. The gear adjustment rod 92 can pass through any one of the gear adjustment holes 105 and abut against the shaft 2. The limiting block 204 can rotate with the shaft 2 to contact the gear adjustment rod 92.

[0050] In the above optional embodiments, it should be noted that the gear adjustment ring 91 and the gear adjustment rod 92 are connected by welding, screwing, or bonding; the gear adjustment ring 91 can slide up and down relative to the first cover 101 to drive the gear adjustment rod 92 to disengage from the first cover 101 and be inserted into the corresponding gear adjustment hole 105 to realize gear adjustment; the limiting block 204 can rotate with the shaft 2 until it contacts the gear adjustment rod 92, which is the limiting position. The gear adjustment rod 92 can resist the limiting block 204 to continue rotating with the shaft 2.

[0051] The advantages of the above optional embodiments are that reliable adjustment of the maximum number of gears is achieved by setting the gear adjustment ring 91 and the gear adjustment lever 92.

[0052] Optional, such as Figure 11 As shown, the upper cover 1 also includes a limiting block 109, which is disposed on the bottom wall of the upper cover 1. The limiting block 204 is located between the gear adjustment rod 92 and the limiting block 109. The limiting block 204 can rotate with the shaft 2 to contact the limiting block 109.

[0053] In the above optional embodiments, it should be noted that the limiting block 109 is integrally formed on the bottom wall of the upper cover 1; the limiting block 204 can rotate with the shaft 2 until it contacts the limiting block 109, that is, the limiting block 109 can stop the limiting block 204 from continuing to rotate with the shaft 2.

[0054] The advantages of the above optional embodiments are as follows: by setting the limiting block 109 in conjunction with setting the gear adjustment rod 92 to be inserted in the gear adjustment hole 105, the user can set the number of gears according to actual needs. The number of gears is the number of the multiple recesses 1062 of the limiting groove 106 corresponding to the limiting block 109 and the gear adjustment rod 92.

[0055] Optional, such as Figure 12 and Figure 13 As shown, the shaft 2 includes a first shaft part 201, a second shaft part 202, and a central shaft part 205. The first shaft part 201, the second shaft part 202, and the central shaft part 205 are connected sequentially from end to end. The end of the first shaft part 201 facing away from the second shaft part 202 is connected to the knob cap 4. The central shaft part 205 is rotatably inserted into the first cover 101. The limiting block 204 is provided on the surface of the central shaft part 205. The spring 61 is inserted in the radial direction of the central shaft part 205.

[0056] In the above optional embodiments, it should be noted that the shaft 2 also includes a shaft connector 208, and the adjusting part 206 and the central shaft part 205 are connected by the shaft connector 208.

[0057] The first shaft portion 201 and the second shaft portion 202 are integrally formed. The central shaft portion 205 is sleeved on the second shaft portion 202. The central shaft portion 205 and the second shaft portion 202 are connected by welding, integral forming, snap-fitting, or bonding. The diameter of the central shaft portion 205 is larger than the diameter of the second shaft portion 202. The shaft rod 2 connector is integrally formed or welded to the second shaft portion 202.

[0058] The advantages of the above optional embodiments are as follows: the end of the first shaft part 201 that is away from the second shaft part 202 is connected to the knob cap 4, which provides a stable force carrier for the operator. When the knob cap 4 is rotated, the force can be smoothly transmitted to the shaft 2, avoiding slippage or uneven force that causes adjustment jamming, and optimizing the operating feel.

[0059] The central shaft 205 is rotatably fitted with the first cover 101, which not only ensures the coaxiality of the shaft 2 as a whole and reduces radial offset, but also provides effective support for the shaft 2 through the first cover 101, reducing wear caused by long-term rotation and extending the service life of the shaft 2.

[0060] The spring 61 is radially inserted into the central shaft 205, which further enhances the elastic feedback during gear switching, making the gear positioning clearer. At the same time, it buffers the impact force when the shaft 2 rotates, reduces rigid collisions between components, and indirectly improves the stability and durability of the overall switch structure.

[0061] Optional, such as Figure 12 and Figure 13 As shown, the shaft 2 also includes a limiting ring 203, which is sleeved on the surface of the central shaft portion 205, and a limiting block 204 is provided on the side of the limiting ring 203.

[0062] In the above optional embodiments, it should be noted that the limiting ring 203 is integrally formed with the central shaft portion 205 or connected by welding or screwing, and the limiting block 204 is integrally formed with the limiting ring 203.

[0063] The beneficial effect of the above optional embodiments is that the setting of the limiting ring 203 ensures the reliability of the operation of the limiting block 204.

[0064] Optional, such as Figures 1 to 3 and Figures 5 to 7 As shown, it also includes a knob cap 4, which is connected to the second end of the shaft 2.

[0065] In the above optional embodiments, it should be noted that the upper cover 1 also includes a connecting sleeve 103, which is integrally formed on the side of the first cover 101 near the knob cap 4, and the gear adjustment ring 91 is sleeved on the connecting sleeve 103; it also includes a first sealing ring 10, a sleeve 12, a second sealing ring 13 and a nut 11, the first sealing ring 10 is disposed between the gear adjustment ring 91 and the connecting sleeve 103, the nut 11 is threadedly sleeved on the connecting sleeve 103, the sleeve 12 is disposed between the connecting sleeve 103 and the shaft 2, and the second sealing ring 13 is disposed between the sleeve 12 and the shaft 2. The combination of the sleeve 12, the second sealing ring 13 and the connecting sleeve 103 increases the smoothness of the rotation of the shaft 2.

[0066] The upper cover 1 also includes a raised ring 102. The surface of the first cover 101 is provided with a raised ring 102, and the gear adjustment ring 91 is rotatably connected to the raised ring 102.

[0067] The knob cap 4 is connected to the second end of the shaft 2 by means of screwing, snapping, welding or bonding.

[0068] The beneficial effect of the above optional embodiments is that the setting of the knob cap 4 increases the convenience of the switch shifting operation.

[0069] Optional, such as Figures 1 to 3 As shown, it also includes a middle cover 3 and a lower cover 5. The first side of the middle cover 3 is connected to the first cover body 101, and the lower cover 5 is connected to the second side of the middle cover 3. A part of the sensor 8 is disposed inside the middle cover 3, and the other part of the sensor 8 is disposed inside the lower cover 5.

[0070] In the above optional embodiments, it should be noted that the first shaft portion 201 and the second shaft portion 202 are integrally formed, the central shaft portion 205 is sleeved on the second shaft portion 202, and the central shaft portion 205 and the second shaft portion 202 are connected by welding, integral forming, snap-fitting, or bonding, etc. The diameter of the central shaft portion 205 is larger than the diameter of the second shaft portion 202, and the shaft connecting member 208 is integrally formed or welded to the second shaft portion 202.

[0071] The end of the first shaft part 201 facing away from the second shaft part 202 is connected to the knob cap 4. The connecting sleeve 103 on the first cover 101 is fitted onto the first shaft part 201. The first cover 101 is fitted onto the central shaft part 205. The sleeve 12 is disposed between the first shaft part 201 and the connecting sleeve 103. The second shaft part 202 is rotatably inserted into the central cover 3.

[0072] The advantages of the above optional embodiments are: the middle cover 3 and the lower cover 5 make the switch form a closed structure, which increases the reliability, sealing and service life of the switch.

[0073] Optional, such as Figures 9 to 11 , Figure 14 and Figure 15 As shown, a positioning groove 107 is provided on one side of the first cover 101. The middle cover 3 includes a second cover 301 and a protruding locking block 304. The first side of the second cover 301 is connected to the first cover 101, and the second side of the second cover 301 is connected to the lower cover 5. The protruding locking block 304 is disposed on the first side of the second cover 301 and is inserted into the positioning groove 107.

[0074] In the above optional embodiments, it should be noted that screws 14, screw rods 16, and pins 15 are also included. The first cover 101 is also provided with a connecting groove 108 and a pin hole 104. The pin 15 is a needle roller pin 15. The pin 15 is inserted into the pin hole 104 to limit the initial position of the gear so that the operator can observe it. The second cover 301 is also provided with a first connecting block 302 and a second connecting block 303. The first connecting block 302 is provided with a first connecting hole 3021, and the second connecting block 303 is provided with a second connecting hole 3031. One end of the screw 14 passes through the first connecting hole 3021 of the lower cover 5 and the middle cover 3 and is threadedly connected to the connecting groove 108 on the first cover 101 to realize the sequential connection between the lower cover 5, the middle cover 3, and the upper cover 1. The screw rod 16 connects the sensor 8 to the second connecting hole 3031 of the middle cover 3 to realize the connection between the sensor 8 and the middle cover 3.

[0075] The advantages of the above optional embodiments are as follows: the positioning groove 107 of the first cover 101 and the protruding locking block 304 on the first side of the second cover 301 of the middle cover 3 form a pre-positioning structure; during assembly, there is no need to repeatedly calibrate the relative position of the upper cover 1 and the middle cover 3, which effectively shortens the assembly time and avoids the problem of component misalignment caused by assembly deviation, thereby indirectly ensuring the fitting accuracy of the elastic bead assembly 6 and the limiting groove 106, and the shaft 2 and the sensor 8; the positioning groove 107 and the protruding locking block 304 can reliably limit the relative position between the upper cover 1 and the middle cover 3, avoid relative rotation between the upper cover 1 and the middle cover 3, and indirectly ensure the reliability of the rotation of the shaft 2.

[0076] The needle roller pin 15 is inserted into the pin hole 104 of the first cover 101, which allows the operator to quickly determine the initial rotation position of the shaft 2. The operator can quickly confirm the initial position of the switch by positioning the pin 15 without the need for additional calibration tools. This simplifies the installation and debugging process and avoids position recognition errors caused by initial position deviation.

[0077] Screw 14 passes through the first connecting hole 3021 of the first connecting block 302 of the lower cover 5 and the middle cover 3 in sequence, and is threadedly connected to the connecting groove 108 of the first cover body 101, so as to realize the reliable connection of the upper cover 1, the middle cover 3 and the lower cover 5; screw 16 connects the sensor 8 to the second connecting hole 3031 of the second connecting block 303 of the middle cover 3, effectively fixing the position of the sensor 8, preventing the sensor 8 from shifting when the shaft 2 rotates, further ensuring the stability of signal transmission, reducing the probability of failure caused by loose parts, and effectively extending the service life of this switch.

[0078] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A multi-position switch, characterized in that, include: Top cover (1); A shaft (2) is inserted into the upper cover (1) and is rotatable relative to the upper cover (1); Elastic bead assembly (6), the elastic bead assembly (6) is inserted on the shaft (2), and both ends of the elastic bead assembly (6) abut against the inner sidewall of the upper cover (1); Sensor (8), which is connected to the first end of the shaft (2); An adjustment part (206) is provided at the first end of the shaft (2), and the adjustment part (206) is configured to cooperate with the sensor (8); The upper cover (1) includes: The first cover (101) is provided with the shaft (2). The limiting groove (106) is provided in multiple ways. The multiple limiting grooves (106) are arranged at intervals along the circumferential direction on the inner sidewall of the first cover (101). The two ends of the elastic bead assembly (6) respectively abut against one of the limiting grooves (106).

2. The multi-position switch according to claim 1, characterized in that, The elastic bead assembly (6) includes: A spring (61) is inserted into the shaft (2) along the radial direction of the shaft (2); The ball (62) is connected to the end of the spring (61), and the ball (62) abuts against the corresponding limiting groove (106).

3. The multi-position switch according to claim 2, characterized in that, Also includes: Gear adjustment component (9), which is detachably mounted on the first cover (101); Gear adjustment holes (105), a plurality of gear adjustment holes (105) are spaced apart along the circumferential direction on the first cover (101); The shaft (2) also includes: A limiting block (204) is provided on the shaft (2). One end of the gear adjustment member (9) can pass through any one of the gear adjustment holes (105) and abut against the shaft (2). The limiting block (204) can rotate with the shaft (2). The gear adjustment member (9) is used to limit the maximum rotation position of the limiting block (204).

4. The multi-position switch according to claim 3, characterized in that, The gear adjustment component (9) includes: A gear adjustment ring (91) is rotatably connected to the first cover (101); The gear adjustment lever (92) is located on one side of the gear adjustment ring (91). The gear adjustment lever (92) can pass through any one of the gear adjustment holes (105) and abut against the shaft (2). The limiting block (204) can rotate with the shaft (2) to contact the gear adjustment lever (92).

5. The multi-position switch according to claim 4, characterized in that, The upper cover (1) also includes: A limiting block (109) is provided on the bottom wall of the upper cover (1). A limiting block (204) is located between the gear adjustment rod (92) and the limiting block (109). The limiting block (204) can rotate with the shaft (2) to contact the limiting block (109).

6. The multi-position switch according to claim 5, characterized in that, Also includes: A knob cap (4) is connected to the second end of the shaft (2).

7. The multi-position switch according to claim 6, characterized in that, The shaft (2) includes: The first shaft part (201) has one end connected to the knob cap (4); The second shaft part (202) has one end connected to the other end of the first shaft part (201); The central shaft portion (205) is connected to the other end of the second shaft portion (202). The central shaft portion (205) is rotatably inserted into the first cover (101). The limiting block (204) is disposed on the surface of the central shaft portion (205). The spring (61) is inserted in the radial direction of the central shaft portion (205).

8. The multi-position switch according to claim 7, characterized in that, The shaft (2) also includes: A limiting ring (203) is sleeved on the surface of the central shaft portion (205), and a limiting block (204) is provided on the side of the limiting ring (203).

9. The multi-position switch according to any one of claims 1 to 8, characterized in that, Also includes: The middle cover (3) is connected to the first cover body (101) on its first side, and a portion of the sensor (8) is disposed inside the middle cover (3); The lower cover (5) is connected to the second side of the middle cover (3), and another part of the sensor (8) is disposed inside the lower cover (5).

10. The multi-position switch according to claim 9, characterized in that, Also includes: A positioning groove (107) is provided on one side of the first cover (101); The middle cover (3) includes: The second cover (301) has a first side connected to the first cover (101) and a second side connected to the lower cover (5). A protruding locking block (304) is disposed on the first side of the second cover (301) and is inserted into the positioning groove (107).

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