A middle cover device applied to a multi-gear knob switch and a knob switch

Abstract

The utility model provides a kind of middle cover device and knob switch applied to multi-gear knob switch, belong to switch field. Including: middle cover;Multiple first gear holes in the form of circumferential array are set on the middle cover and multiple second gear holes in the form of circumferential array are set on the middle cover are set on middle cover;The diameter of the circle where multiple first gear holes are located is less than the diameter of the circle where multiple second gear holes are located, multiple first gear holes and multiple second gear holes are sequentially arranged alternately;Limiting turntable, relatively rotatable middle cover;At least two elastic components are provided on limiting turntable, the end of at least one elastic component away from limiting turntable can be inserted on any corresponding first gear hole, the end of remaining elastic components away from limiting turntable can be inserted on any one second gear hole.The purpose is to solve the problem that switch cannot be continuously shifted, and the technical effect achieved is that switch can be continuously shifted.

Description

Technical Field

[0001] This utility model relates to the field of switch technology, and in particular to a middle cover device for a multi-position rotary switch, and also to a rotary switch. Background Technology

[0002] In automotive central control systems, industrial rotary knob adjustments, and home audio-visual equipment, multi-position rotary switches are core components for gear switching due to their intuitive operation and precise adjustment. Their continuous gear switching performance directly determines the user experience and efficiency of the equipment. Existing multi-position rotary switches typically consist of a rotating shaft, an annular gear slot, positioning pins, and contact assemblies. During operation, the rotating shaft drives the contact assembly to rotate, causing the contacts to engage with conductive plates of different gear positions. The positioning pins engage within the annular gear slots to achieve gear positioning, thereby completing the circuit path switching. However, in practical applications, existing multi-position rotary switches cannot continuously switch positions due to excessive gaps at the positions on the middle cover. Utility Model Content

[0003] This utility model provides a middle cover device for a multi-position rotary switch, which solves the defect in the prior art that the switch cannot be continuously switched, and realizes that the switch can be continuously switched.

[0004] The first aspect of this utility model provides a middle cover device for a multi-position rotary switch, comprising: Middle cover; The middle cover has the following openings: There are multiple first gear holes arranged in a circular array on the middle cover. There are multiple second-position holes arranged in a circular array on the middle cover. The central axis of the circle containing the multiple first-position holes, the central axis of the circle containing the multiple second-position holes, and the central axis of the middle cover are collinear. The diameter of the circle containing the multiple first-position holes is smaller than the diameter of the circle containing the multiple second-position holes. The multiple first-position holes and the multiple second-position holes are arranged alternately in sequence. A limiting turntable that can rotate relative to the center cover; The elastic components include at least two elastic components disposed on the limiting turntable. At least one elastic component can be inserted into any corresponding first position hole at one end away from the limiting turntable, and the remaining elastic components can be inserted into any corresponding second position hole at one end away from the limiting turntable.

[0005] In addition, the middle cover device of this utility model for multi-position rotary switches may also have the following additional technical features: In some embodiments of this utility model, it further includes: The slots are at least two in number, and both slots are located on the limiting turntable. Each slot has a resilient component inserted into it.

[0006] In some embodiments of this utility model, the middle cover includes: The cover body has multiple first-position holes and multiple second-position holes on one side; A connecting protrusion is located on the other side of the cover.

[0007] In some embodiments of this utility model, each elastic component includes: A spring, one end of which is inserted into a corresponding slot; The ball bearing is located at the other end of the spring and is engaged with the corresponding first gear hole or the corresponding second gear hole.

[0008] In some embodiments of this utility model, it further includes: There are multiple sockets, all of which are located on the cover.

[0009] In some embodiments of this utility model, it further includes: The shaft hole is located in the middle of the cover body.

[0010] In some embodiments of this utility model, the middle cover further includes: Limiting stop bar, the limiting stop bar is set on the cover body; The limit turntable includes: The rotating cover is rotatably connected to the middle cover, and each slot is provided on the rotating cover; The inner stop block is located inside the rotating cover and rotates with the rotating cover until it contacts the limit stop bar.

[0011] The second aspect of this utility model provides a rotary switch, including all the technical features of the middle cover device of the first aspect of this utility model applied to a multi-position rotary switch, and further including: The shaft is rotatably connected to the middle cover and is used to rotate the limiting turntable. The sensor is connected to one side of the middle cover. The first end of the shaft passes through the limiting turntable and the middle cover in sequence and then connects with the sensor. The shaft is also used to adjust the sensor to adjust the gear.

[0012] In some embodiments of this utility model, it further includes: Knob cap, the knob cap is connected to the second end of the shaft.

[0013] In some embodiments of this utility model, it further includes: The top cover is connected to the middle cover on one side; The lower cover is connected to the other side of the middle cover. The limiting turntable is rotatably set inside the upper cover. The first end of the shaft passes through the upper cover, the limiting turntable and the middle cover in sequence and then connects with the sensor. One part of the sensor is set inside the lower cover and the other part of the sensor is set inside the middle cover.

[0014] In summary, this application includes the following beneficial technical effects: by using multiple first gear holes, multiple second gear holes, and at least some of the elastic components, each of which can be inserted into any one of the first gear holes at one end away from the limiting turntable, and the remaining elastic components, each of which can be inserted into any one of the second gear holes at one end away from the limiting turntable, the shifting gap between any two adjacent first gear holes is filled by the second gear hole when the rotary switch shifts gears, thereby enabling the switch to shift gears quickly and accurately continuously. Attached Figure Description

[0015] 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 scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings: Figure 1 The first exploded view of a cover device for a multi-position rotary switch according to some embodiments of the present invention is shown schematically.

[0016] Figure 2 The exploded view of a middle cover device for a multi-position rotary switch according to some embodiments of the present invention is shown schematically.

[0017] Figure 3 The first perspective view of the middle cover of a middle cover device for a multi-position rotary switch according to some embodiments of the present invention is shown schematically.

[0018] Figure 4 The second perspective view of a middle cover of a middle cover device for a multi-position rotary switch according to some embodiments of the present invention is shown schematically.

[0019] Figure 5 A schematic plan view of the middle cover of a middle cover device applied to a multi-position rotary switch according to some embodiments of the present invention is shown.

[0020] Figure 6 The first perspective view schematically shows a limiting turntable of a middle cover device for a multi-position rotary switch according to some embodiments of the present invention.

[0021] Figure 7The second perspective view schematically shows a limiting turntable of a middle cover device for a multi-position rotary switch according to some embodiments of the present invention.

[0022] Figure 8 A first exploded view of a rotary switch according to some embodiments of the present invention is shown schematically.

[0023] Figure 9 A second exploded view of a rotary switch according to some embodiments of the present invention is shown schematically.

[0024] Figure 10 A perspective view of the shaft of a rotary switch according to some embodiments of the present invention is shown schematically.

[0025] Figure label: 1. Top cover; 2. Middle cover; 201. Cover body; 202. First position hole; 204. Limiting stop bar; 205. Positioning rod; 206. Insertion hole; 209. Connecting protrusion; 210. Shaft hole; 211. Second position hole; 3. Limiting turntable; 301. Rotating cover body; 302. Slot; 304. Inner stop block; 305. Central shaft hole; 4. Sensor; 6. Shaft; 601. Adapter shaft; 602. First shaft body; 603. Second shaft body; 604. Baffle plate; 605. Adjusting shaft; 7. Knob cap; 8. Spring; 9. Ball bearing; 11. Sleeve; 12. Nut; 14. Washer; 15. Bottom cover; 16. Snap ring; 17. Connecting screw; 18. Connecting screw. Detailed Implementation

[0026] 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.

[0027] 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.

[0028] 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.

[0029] 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.

[0030] like Figures 1 to 10As shown, according to an embodiment of the first aspect of this utility model, a middle cover device for a multi-position rotary switch is proposed, including a middle cover 2, a limiting turntable 3, and an elastic component. The limiting turntable 3 is rotatable relative to the middle cover 2. The middle cover 2 has a first position hole 202 and a second position hole 211. There are multiple first position holes 202 arranged in a circular array on the middle cover 2, and multiple second position holes 211 arranged in a circular array on the middle cover 2. The central axis of the circle containing the multiple first position holes 202 and the circle containing the multiple second position holes 211 are... The central axis of the circle and the central axis of the cover 2 are collinear; the diameter of the circle containing the multiple first gear holes 202 is smaller than the diameter of the circle containing the multiple second gear holes 211, and the multiple first gear holes 202 and the multiple second gear holes 211 are arranged alternately in sequence; at least two elastic components are provided on the limiting turntable 3, and at least some of the elastic components can be inserted into any one of the first gear holes 202 at one end away from the limiting turntable 3, and the remaining elastic components can be inserted into any one of the second gear holes 211 at one end away from the limiting turntable 3.

[0031] In the above embodiments, it should be noted that the order in which the multiple first gear holes 202 and the multiple second gear holes 211 are alternately arranged is as follows: first gear hole 202, second gear hole 211, first gear hole 202, second gear hole 211, first gear hole 202... in this regular pattern; each second gear hole 211 can fill the gap in the gear shifting process between two adjacent first gear holes 202.

[0032] Multiple elastic components are combined to form two rings of elastic components, with the two rings of elastic components set at the same center.

[0033] When there are two elastic components, one elastic component is used to connect with the first gear hole 202, and the other elastic component is used to connect with the second gear hole 211. The line connecting the central axis of one elastic component and the central axis of the shaft 6 is collinear with the line connecting the central axis of the other elastic component and the central axis of the shaft 6.

[0034] When the elastic component for connecting to the first gear position hole 202 is inserted into the corresponding first gear position hole 202, the elastic component for connecting to the second gear position hole 211 will not be inserted into the corresponding second gear position hole 211; when the elastic component for connecting to the second gear position hole 211 is inserted into the corresponding second gear position hole 211, the elastic component for connecting to the first gear position hole 202 will not be inserted into the corresponding first gear position hole 202; the edge shape of each first gear position hole 202 and the edge shape of each second gear position hole 211 are both arc-shaped.

[0035] The technical effect achieved by the above embodiment is as follows: by using multiple first gear holes 202 and multiple second gear holes 211, and by cooperating with at least some of the elastic components, one end of each elastic component facing away from the limiting turntable 3 can be inserted into any one of the first gear holes 202, and the other elastic components, one end of each elastic component facing away from the limiting turntable 3 can be inserted into any one of the second gear holes 211, the shifting gap between each two adjacent first gear holes 202 is filled by the second gear hole 211 when the rotary switch shifts gears, thereby enabling the switch to shift gears quickly and accurately continuously.

[0036] Optional, such as Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the limiting turntable 3 has at least two slots 302, and each slot 302 has an elastic component inserted into it.

[0037] In the above optional embodiments, it should be noted that the number of slots 302 is the same as the number of elastic components.

[0038] The advantages of the above optional embodiments are: the installation reliability of the elastic component is ensured by setting the slot 302.

[0039] Optional, such as Figures 1 to 5 As shown, the middle cover 2 includes a cover body 201 and a connecting protrusion 209. Each first position hole 202 and each second position hole 211 are opened on one side of the cover body 201, and the connecting protrusion 209 is provided on the other side of the cover body 201.

[0040] In the above optional embodiments, it should be noted that the connecting protrusion 209 is connected to the cover portion 201 by integral molding or welding.

[0041] The advantages of the above optional embodiments are as follows: by setting the connecting protrusion 209, when the switch needs to be assembled, the connecting protrusion 209 can be inserted into other covers to form a pre-installed rotation limit, which increases the convenience and reliability of installation.

[0042] Optional, such as Figure 1 and Figure 2 As shown, each elastic component includes a spring 8 and a ball 9. One end of the spring 8 is inserted into the corresponding slot 302, and the other end of the spring 8 is provided with a ball 9. The ball 9 is engaged with the corresponding first stop hole 202 or the corresponding second stop hole 211.

[0043] In the above optional embodiments, it should be noted that the spring 8 is connected to the bottom wall of the slot 302.

[0044] The advantages of the above optional embodiments are that the cooperation between the spring 8 and the slot 302 increases the convenience of gear adjustment.

[0045] Optional, such as Figures 1 to 5 As shown, the cover portion 201 is also provided with multiple insertion holes 206.

[0046] In the above optional embodiments, it should be noted that the plurality of sockets 206 are used for connection with other covers of the switch.

[0047] Optional, such as Figures 1 to 5 As shown, a shaft hole 210 is provided in the middle of the cover part 201.

[0048] Optional, such as Figures 1 to 7 As shown, the middle cover 2 also includes a limiting stop bar 204. The limiting stop bar 204 is provided on the cover body 201. The limiting turntable 3 includes a rotating cover body 301 and an inner stop block 304. The rotating cover body 301 is rotatably connected to the middle cover 2. Each slot 302 is opened on the rotating cover body 301. The inner stop block 304 is disposed inside the rotating cover body 301. The inner stop block 304 rotates with the rotating cover body 301 until it contacts the limiting stop bar 204.

[0049] In the above optional embodiments, it should be noted that the limiting stop bar is integrally formed or welded to the cover part 201; the rotating cover 301 is integrally formed or welded to the inner stop block 304.

[0050] The advantages of the above optional embodiments are as follows: the limit stop and the inner stop 304 are combined to achieve the limit when the switch is adjusted to the maximum position, so as to avoid the situation where the switch jumps directly from the maximum position to the minimum position, which would affect the reliability of the switch.

[0051] like Figures 8 to 10 As shown, according to an embodiment of the second aspect of the present invention, a rotary switch is proposed, which includes all the technical features of the middle cover device of the multi-position rotary switch of the first aspect of the present invention. In addition, it also includes a shaft 6 and a sensor 4. The first end of the shaft 6 passes through the upper limit turntable 3 and the middle cover 2 in sequence and is connected to the sensor 4. The shaft 6 and the middle cover 2 are rotatably connected. The shaft 6 is used to rotate the limit turntable 3. The shaft 6 is also used to adjust the sensor 4 to adjust the position. The sensor 4 is connected to the middle cover 2.

[0052] In the above optional embodiments, it should be noted that the shaft 6 is rotatably connected to the middle cover 2, and the first end of the shaft 6 is provided with an adjusting shaft 605. The sensor 4 can be a Hall chip or a potentiometer, and the adjusting part can be a plug or a magnet. When the sensor 4 is a Hall chip, the adjusting shaft 605 is a magnet, and the adjusting shaft 605 is magnetically connected to the Hall chip. When the sensor 4 is a potentiometer, the adjusting shaft 605 is a plug, and the adjusting shaft 605 is inserted into the sensor 4.

[0053] The advantages of the above optional embodiments are that the switching position can be effectively adjusted by the cooperation of the shaft 6 and the sensor 4.

[0054] Optional, such as Figures 8 to 10 As shown, it also includes a knob cap 7, which is connected to the second end of the shaft 6.

[0055] The beneficial effect of the above optional embodiments is that the setting of the knob cap 7 increases the convenience of shifting gears in this switch.

[0056] Optional, such as Figures 8 to 10 As shown, it also includes an upper cover 1 and a lower cover 15. One side of the middle cover 2 is connected to the upper cover 1, and the other side of the middle cover 2 is connected to the lower cover 15. The limiting turntable 3 is rotatably disposed inside the upper cover 1. The first end of the shaft 6 passes through the upper cover 1, the limiting turntable 3 and the middle cover 2 in sequence and is connected to the sensor 4. A part of the sensor 4 is disposed inside the lower cover 15, and the other part of the sensor 4 is disposed inside the middle cover 2.

[0057] In the above optional embodiments, it should be noted that the shaft 6 includes a transition shaft portion 601, a first shaft body portion 602, a second shaft body portion 603, and a baffle portion 604, which are connected sequentially from beginning to end.

[0058] It also includes a sleeve 11, a nut 12, a washer 14, a snap ring 16, a connecting screw 17, and a connecting screw 18. The snap ring 16 is set inside the limiting turntable 3 and sleeved on the shaft 6. The lower cover 15, the middle cover 2, and the upper cover 1 are connected by the connecting screw 18. Specifically, the connecting screw 18 is inserted into the insertion hole 206 of the middle cover 2. The sleeve 11 is sleeved between the shaft 6 and the connecting sleeve. The washer 14 is set between the sleeve 11 and the connecting sleeve. The nut 12 is threaded to the upper cover 1 and abuts against the knob cap 7. The connecting screw 17 is used to connect the potentiometer 4 and the middle cover 2.

[0059] The adapter shaft 601 is inserted into the knob cap 7 by interference fit or bonding. The connecting sleeve is fitted onto the first shaft 602. The limiting turntable 3 and the cover 201 are sequentially fitted onto the second shaft 603. The second shaft 603 is inserted into the shaft hole 210 of the middle cover 2. The cross-sectional shape of the adapter shaft 601 and the cross-sectional shape of the adjusting shaft 605 are both semi-circular. The cross-sectional shape of the second shaft 603 is two parallel straight lines with opposite concentric curves in the middle. A positioning groove is provided on one side of the upper cover 1. A positioning rod 205 is provided on the side of the cover 201 near the upper cover 1. The positioning rod 205 is inserted into the positioning groove of the upper cover 1. A central shaft hole 305 is provided in the middle of the rotating cover 301. The second shaft part 603 is inserted into the central shaft hole 305. It also includes a baffle part 604. The baffle part 604 is connected to the end of the second shaft part 603 away from the first shaft part 601 and is located between the adjusting shaft part 605 and the second shaft part 603. The baffle part 604 is used to abut against the rod part 201 to form the upper and lower limits of the shaft 6.

[0060] The advantages of the above optional embodiments are: the sealing performance of the switch is ensured by the upper cover 1 and the lower cover 15, and the working reliability of the switch is increased.

[0061] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A middle cover device for a multi-position rotary switch, characterized in that, include: Middle cover (2); The middle cover (2) has the following openings: The first gear hole (202) is provided in a plurality of the first gear holes (202), and the plurality of the first gear holes (202) are arranged in a circular array on the middle cover (2); There are multiple second gear holes (211), which are arranged in a circular array on the middle cover (2). The central axis of the circle containing the multiple first gear holes (202), the central axis of the circle containing the multiple second gear holes (211), and the central axis of the middle cover (2) are collinear. The diameter of the circle containing the multiple first gear holes (202) is smaller than the diameter of the circle containing the multiple second gear holes (211). The multiple first gear holes (202) and the multiple second gear holes (211) are arranged alternately in sequence. A limiting turntable (3) is rotatable relative to the middle cover (2); At least two elastic components are disposed on the limiting turntable (3). At least one end of the elastic component facing away from the limiting turntable (3) can be inserted into any corresponding first gear hole (202). The remaining elastic components can be inserted into any corresponding second gear hole (211).

2. The middle cover device for a multi-position rotary switch according to claim 1, characterized in that, Also includes: Slots (302), there are at least two slots (302), at least two slots (302) are opened on the limiting turntable (3), and each slot (302) is fitted with one of the elastic components.

3. The middle cover device for a multi-position rotary switch according to claim 2, characterized in that, The middle cover (2) includes: The cover portion (201) has a plurality of first stop holes (202) and a plurality of second stop holes (211) on one side. A connecting protrusion (209) is provided on the other side of the cover portion (201).

4. The middle cover device for a multi-position rotary switch according to claim 2, characterized in that, Each of the aforementioned resilient components includes: A spring (8), one end of which is inserted into a corresponding slot (302); A ball (9) is disposed at the other end of the spring (8), and the ball (9) is engaged with the corresponding first gear hole (202) or the corresponding second gear hole (211).

5. The middle cover device for a multi-position rotary switch according to claim 3, characterized in that, Also includes: The socket (206) is provided in multiple ways, and all of the sockets (206) are provided on the cover (201).

6. The middle cover device for a multi-position rotary switch according to claim 3, characterized in that, Also includes: Shaft hole (210), which is located in the middle of the cover part (201).

7. The middle cover device for a multi-position rotary switch according to claim 3, characterized in that, The middle cover (2) also includes: A limiting stop (204) is provided on the cover part (201); The limiting turntable (3) includes: A rotating cover (301) is rotatably connected to the middle cover (2), and each of the slots (302) is formed on the rotating cover (301); An inner stop block (304) is disposed inside the rotating cover (301). The inner stop block (304) rotates with the rotating cover (301) until it contacts the limiting stop bar (204).

8. A rotary switch, characterized in that, Including all the technical features of the middle cover device of the multi-position rotary switch as described in any one of claims 1 to 7, and further including: A shaft (6) is rotatably connected to the middle cover (2), and the shaft (6) is used to rotate the limiting turntable (3); The sensor (4) is connected to one side of the middle cover (2). The first end of the shaft (6) passes through the limiting turntable (3) and the middle cover (2) in sequence and then connects with the sensor (4). The shaft (6) is also used to adjust the sensor (4) to adjust the gear.

9. The rotary switch according to claim 8, characterized in that, Also includes: A knob cap (7) is connected to the second end of the shaft (6).

10. The rotary switch according to claim 8, characterized in that, Also includes: The upper cover (1) is connected to one side of the middle cover (2); The lower cover (15) is connected to the other side of the middle cover (2). The limiting turntable (3) is rotatably disposed inside the upper cover (1). The first end of the shaft (6) passes through the upper cover (1), the limiting turntable (3) and the middle cover (2) in sequence and is connected to the sensor (4). A part of the sensor (4) is disposed inside the lower cover (15), and the other part of the sensor (4) is disposed inside the middle cover (2).

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