Central display knob

Abstract

The utility model discloses a central display knob, which comprises a mounting plate for mounting the central display knob, a potentiometer for controlling circuit parameters through rotation is arranged on the mounting plate, and a central column is arranged on the mounting plate and positioned on one side of the potentiometer. A screen display assembly used for displaying rotation parameters of the potentiometer is arranged at the end, away from the mounting plate, of the central column, a rotating piece capable of rotating around the central column and driving the potentiometer to rotate is arranged outside the central column, and the potentiometer is electrically connected with the screen display assembly. According to the central display knob of the utility model, the rotating member can rotate around the central column, and the screen display assembly can display corresponding rotation parameters, so that real-time data can be observed at the center of the central display knob, and the installation space of the central display knob can be saved. And convenience is provided for use and observation of the central display knob.

Description

Technical Field

[0002] The utility model relates to the technical field of knob switches, in particular to a central display knob.

Background Art

[0004] For the knobs of electronic devices on the current market, if numbers and patterns are to be displayed in the middle of the knob, a hollow encoder structure is adopted. The knob drives the encoder knob to operate. The middle of the encoder is hollow and a display screen can be placed. This structure is suitable for stepless adjustment and infinite rotation, and the starting and ending points cannot be determined, and the machine power cannot be cut off by rotation; the potentiometer structure can cut off the power by rotation, but since the potentiometer can only be placed in the middle position of the knob, a display screen cannot be placed in the middle of the knob, and only indicator lights or patterns can be displayed around the knob.

Content of the Utility Model

[0006] To solve the above technical problems, the utility model proposes a central display knob.

[0007] The utility model is realized by the following technical solutions:

[0008] A central display knob includes a mounting plate for mounting the central display knob. A potentiometer for controlling circuit parameters by rotation is provided on the mounting plate. A central column is provided on one side of the potentiometer on the mounting plate. A screen display component for displaying the rotation parameters of the potentiometer is provided at one end of the central column away from the mounting plate. A rotating member capable of rotating around the central column and driving the potentiometer to rotate is provided outside the central column. The potentiometer is electrically connected to the screen display component.

[0009] For a central display knob as described above, a transmission member for driving the potentiometer to rotate is provided between the rotating member and the potentiometer.

[0010] For a central display knob as described above, the rotating member includes a rotating assembly for driving the potentiometer to rotate. A driving gear is provided on the outer periphery of the rotating assembly close to the mounting plate. An installation hole connected to the rotating shaft of the potentiometer is provided in the middle of the transmission member. A driven gear meshing with the driving gear is provided outside the transmission member.

[0011] For a central display knob as described above, the central column includes a fixing frame connected to the mounting plate. The fixing frame is provided with a first limiting portion and a second limiting portion. The rotating assembly is provided with a third limiting portion that can be movably and cooperatively limited between the first limiting portion and the second limiting portion.

[0012] A central display knob as described above, on the side of the rotating assembly away from the mounting plate, there is an annular structure connected to the driving gear, and at the end of the rotating member away from the mounting plate, there is a rotating outer shell for hand rotation.

[0013] A central display knob as described above, the third limiting portion is provided on the inner side wall of the annular structure, and the first limiting portion and the second limiting portion are provided on the outer side wall of the fixing frame.

[0014] A central display knob as described above, on the side of the rotating outer shell close to the mounting plate, there is a buckle, and on the annular structure, there is a corresponding card hole for the buckle. The rotating assembly is detachably connected to the rotating outer shell through the cooperation between the buckle and the card hole.

[0015] A central display knob as described above, the rotating outer shell is provided with positioning posts for positioning the installation position, and on the annular structure, there are corresponding positioning holes for cooperation with the positioning posts.

[0016] A central display knob as described above, the first limiting portion, the second limiting portion and the third limiting portion are all strip-shaped protrusions. There is a distance between the first limiting portion and the second limiting portion, and the third limiting portion can rotate within the interval distance between the first limiting portion and the second limiting portion and contact and limit with them as the rotating member rotates.

[0017] A central display knob as described above, the screen display assembly includes an illuminating portion connected to the fixing frame for generating light and a protective cover for protecting the illuminating portion. The surface of the protective cover is provided with a light-transmitting film for providing light penetration and displaying characters and patterns. The screen display assembly also includes a translucent lens, and the translucent lens is connected to the protective cover.

[0018] Compared with the prior art, a central display knob proposed by the present utility model has the following beneficial effects:

[0019] 1. For the central display knob of the present utility model, the rotating member can rotate around the central column, and at the same time, the screen display assembly can display corresponding rotation parameters, which can ensure real-time data is observed at the center of the central display knob, and at the same time save the installation space of the central display knob, providing convenience for the use and observation of the central display knob;

[0020] 2. By setting the cooperating first limiting portion, second limiting portion and third limiting portion, the starting and ending points can be determined, and at the same time, the suction force can be adjusted by increasing or decreasing the gear within a certain range;

[0021] 3. The central column is connected to the mounting plate, which can ensure that the screen display component does not rotate with the knob when the central display knob rotates, facilitating the observation of rotation parameters, power supply, etc.

Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for the description of the embodiments.

[0024] Figure 1 It is a schematic structural diagram of the present invention;

[0025] Figure 2 is Figure 1 an exploded view of;

[0026] Figure 3 is Figure 1 a schematic diagram from another perspective;

[0027] Figure 4 It is an exploded view of the rotating part and the transmission part of the present invention;

[0028] Figure 5 is Figure 4 a schematic diagram from another perspective;

[0029] Figure 6 It is an exploded view of the screen display part of the present invention.

[0030] Among them, the reference numerals are as follows:

[0031] 1, mounting plate; 11, potentiometer; 2, central column; 21, screen display component; 211, lighting part; 212, protective cover; 213, light-transmitting film; 214, semi-transparent lens; 22, fixing frame; 221, first limiting part; 222, second limiting part; 3, rotating part; 31, rotating assembly; 311, driving gear; 312, annular structure; 3121, third limiting part; 3122, clamping hole; 3123, positioning hole; 32, rotating housing; 321, buckle; 322, positioning post; 4, transmission part; 41, mounting hole; 42, driven gear.

Detailed Embodiments

[0033] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the following further details the present invention in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0034] Specific embodiments, in combination with Figures 1 to 6As shown in the figure, the technical solution of the present utility model will be further described. A central display knob is installed on a mounting plate 1. A potentiometer 11 for controlling circuit parameters by rotation is provided on the mounting plate 1. A central column 2 is provided on one side of the potentiometer 11 on the mounting plate 1. A screen display component 21 for displaying the rotation parameters of the potentiometer 11 is provided at one end of the central column 2 away from the mounting plate 1. A rotating member 3 capable of rotating around the central column 2 and driving the potentiometer 11 to rotate is provided outside the central column 2. The potentiometer 11 is electrically connected to the screen display component 21. The rotating member 3 can drive the potentiometer 11 to rotate, and at the same time, the rotation parameters can be displayed on the screen display component 21 through the electrical connection between the potentiometer 11 and the screen display component 21.

[0035] In this embodiment, a transmission member 4 for driving the potentiometer 11 to rotate is provided between the rotating member 3 and the potentiometer 11. The rotating member 3 drives the potentiometer 11, so that the rotation parameters of the potentiometer 11 are displayed on the screen display component 21.

[0036] In this embodiment, the central column 2 includes a fixing frame 22 connected to the mounting plate 1. The screen display component 21 includes an illumination part 211 for generating light. The illumination part 211 is installed in the fixing frame 22. The fixing frame 22 is connected to the mounting plate 1, and a space for installing the illumination part 211 is provided in the middle of the fixing frame 22.

[0037] Further, as a preferred implementation manner of this solution rather than a limitation, the illumination part 211 adopts an LED light board (light emitting diode light board).

[0038] Further, as a preferred implementation manner of this solution rather than a limitation, the screen display component 21 includes a protective cover 212 for protecting the illumination part 211 and a light transmissive film 213 corresponding to the protective cover 212 for providing light penetration and displaying characters and patterns. The protective cover 212 can protect the illumination part 211, and the light transmissive film 213 can provide light penetration and display characters and patterns, so as to display specific data.

[0039] Further, as a preferred implementation manner of this solution rather than a limitation, the screen display component 21 further includes a semi-transparent lens 214 for further processing the data display.

[0040] Further, as a preferred implementation manner of this solution rather than a limitation, the illumination part 211 is connected to the fixing frame 22 by screws, and the fixing frame 22 is connected to the mounting plate 1 by screws. By fixing the screen display component 21 on the mounting plate 1, the screen display component 21 will not rotate when the rotating member 3 is rotated.

[0041] In this embodiment, the rotating member 3 is mounted on the outside of the central column 2, and the rotating member 3 includes a rotating component 31 for driving the transmission member 4 and a rotating shell 32 connected to the rotating component 31 for hand-held rotation. A driving gear 311 is provided on the outer periphery of one side of the rotating component 31 close to the mounting plate 1, and the transmission member 4 includes a mounting hole 41 connected to the rotating shaft of the potentiometer 11 and a driven gear 42 meshing with the driving gear 311.

[0042] Furthermore, the rotating member 3 is provided with an annular structure 312 connected to the driving gear 311 on the side away from the mounting plate 1, the outer side wall of the fixing frame 22 is provided with a first limiting portion 221 and a second limiting portion 222, and the inner side wall of the annular structure 312 is provided with a third limiting portion 3121 that can be movably matched and limited between the first limiting portion 221 and the second limiting portion 222. By providing the first limiting portion 221, the second limiting portion 222 and the third limiting portion 3121, the gear position can be planned, the starting and ending positions can be determined during installation, and the gear position can be adjusted within a certain range.

[0043] Furthermore, the first limiting portion 221, the second limiting portion 222 and the third limiting portion 3121 are all strip-shaped protrusions, and the first limiting portion 221 and the second limiting portion 222 are spaced a distance apart. The third limiting portion 3121 can contact and limit between the first limiting portion 221 and the second limiting portion 222 as the rotating member 3 rotates.

[0044] Further, the position of the rotating shell 32 is far away from one end of the mounting plate 1, and a buckle 321 is provided on the side of the rotating shell 32 close to the mounting plate 1, and a clamping hole 3122 corresponding to the buckle 321 is provided on the annular structure 312, and the rotating assembly 31 is detachably connected to the rotating shell 32 through the cooperation between the buckle 321 and the clamping hole 3122, and the central column 2 is located in the rotating shell 32. The rotating shell 32 can drive the rotating assembly 31 to rotate, thereby driving the transmission member 4 to realize the control of the power supply.

[0045] Further, as a preferred embodiment of the present invention but not limiting, the rotating housing 32 is provided with a positioning post 322 for positioning the installation position, and the rotating member 3 is provided with a positioning hole 3123 corresponding to the positioning post 322. The positioning post 322 can ensure the installation accuracy of the rotating housing 32 and the rotating assembly 31, and the positioning post 322 can ensure that the rotating housing 32 does not shake when being held and rotated.

[0046] Furthermore, the semi-transparent lens 214 passes through the rotating shell 32 and is connected to the protective cover 212 .

[0047] The working principle of this embodiment is as follows:

[0048] A central display knob proposed by the present utility model. A potentiometer 11 is installed on a mounting plate 1, and a central column 2 is installed on the mounting plate 1 on a different side from the potentiometer 11. A rotating member 3 is sleeved outside the central column 2, and a transmission member 4 is provided between the rotating member 3 and the potentiometer 11. When a user rotates the rotating outer shell 32 to control the knob, the rotating outer shell 32 drives the rotating assembly 31, and the rotating assembly 31 drives the transmission member 4 to drive the potentiometer 11 to rotate. At the same time, the potentiometer 11 is electrically connected to the screen display assembly 21, and the potentiometer 11 transmits the rotation parameters to the screen display assembly 21 for data display. The third limiting portion 3121 cooperates between the first limiting portion 221 and the second limiting portion 222 to be able to determine the starting and ending positions during installation, and at the same time can adjust the gear within a certain range during rotation. The central column 2 is screwed to the mounting plate 1 and can keep the pattern from rotating with the knob during rotation.

Claims

1. A central display knob, comprising a mounting plate (1) for mounting the central display knob, characterized in that, A potentiometer (11) for controlling circuit parameters by rotation is provided on the mounting plate (1). A central column (2) is provided on the mounting plate (1) on one side of the potentiometer (11). A screen display component (21) for displaying the rotation parameters of the potentiometer (11) is provided at one end of the central column (2) away from the mounting plate (1). A rotating member (3) capable of rotating around the central column (2) and driving the potentiometer (11) to rotate is provided outside the central column (2). The potentiometer (11) is electrically connected to the screen display component (21).

2. The central display knob according to claim 1, wherein A transmission member (4) for driving the potentiometer (11) to rotate is provided between the rotating member (3) and the potentiometer (11).

3. The central display knob according to claim 2, characterized in that, The rotating member (3) includes a rotating assembly (31) for driving the potentiometer (11) to rotate. A driving gear (311) is provided on the outer periphery of the rotating assembly (31) on the side close to the mounting plate (1). An installation hole (41) connected to the rotating shaft of the potentiometer (11) is provided in the middle of the transmission member (4). A driven gear (42) meshing with the driving gear (311) is provided outside the transmission member (4).

4. A central display knob according to claim 3, characterized in that, The central column (2) includes a fixing frame (22) connected to the mounting plate (1). The fixing frame (22) is provided with a first limiting portion (221) and a second limiting portion (222). The rotating assembly (31) is provided with a third limiting portion (3121) that can be movably and cooperatively limited between the first limiting portion (221) and the second limiting portion (222).

5. A central display knob according to claim 4, wherein, An annular structure (312) connected to the driving gear (311) is provided on the side of the rotating assembly (31) away from the mounting plate (1). A rotating outer shell (32) for hand-held rotation is connected to one end of the rotating member (3) away from the mounting plate (1).

6. The central display knob according to claim 5, characterized in that, The third limiting portion (3121) is provided on the inner side wall of the annular structure (312). The first limiting portion (221) and the second limiting portion (222) are provided on the outer side wall of the fixing frame (22).

7. A central display knob according to claim 5, characterized in that, A buckle (321) is provided on the side of the rotating outer shell (32) close to the mounting plate (1). A card hole (3122) corresponding to the buckle (321) is provided on the annular structure (312). The rotating assembly (31) is detachably connected to the rotating outer shell (32) through the cooperation between the buckle (321) and the card hole (3122).

8. A central display knob according to claim 7, characterized in that, The rotating outer shell (32) is provided with a positioning column (322) for positioning the installation position. A positioning hole (3123) corresponding to the positioning column (322) is provided on the annular structure (312).

9. A central display knob according to claim 5, characterized in that, The first limiting portion (221), the second limiting portion (222), and the third limiting portion (3121) are all strip-shaped protrusions. There is a distance between the first limiting portion (221) and the second limiting portion (222). The third limiting portion (3121) can rotate within the distance between the first limiting portion (221) and the second limiting portion (222) and contact and limit it with the rotation of the rotating member (3).

10. A central display knob according to claim 4, characterized in that, The screen display component (21) includes an illumination part (211) connected to the fixing bracket (22) for generating light and a protective cover (212) for protecting the illumination part (211). A light-transmitting film (213) for providing light penetration and displaying characters and patterns is provided on the surface of the protective cover (212). The screen display component (21) further includes a semi-transparent lens (214), and the semi-transparent lens (214) is connected to the protective cover (212).

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