Friction positioning type knob

Abstract

The utility model relates to a friction positioning type knob. A driving structure is arranged in a knob shell; the driving structure rotates in the knob shell; in the knob shell, friction assemblies are arranged on the two sides of the driving structure. A sensing assembly is fixed below the driving structure and the knob shell; the friction assembly conducts friction positioning on the driving structure in the rotating process of the driving structure. A lower friction structure and an electrical structure are manufactured into modules, and the upper handle is convenient to mount, so that the cost and working hours for replacing the friction structure of the handle are greatly saved; the cover plate of the friction structure inherits the limiting structure, and when the friction limiting angle structure is replaced, only the bottom cover plate needs to be replaced.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model relates to a knob, in particular to a friction positioning type knob. BACKGROUND

[0002] The friction type hovering knob commonly used in prior art is generally replaced according to actual use demand, and if the position of the friction structure needs to be changed, the size of the internal friction structure needs to be adjusted to realize. CONTENT OF THE UTILITY MODEL

[0003] The embodiment of the utility model relates to a knob, in particular to a friction positioning type knob.

[0004] In order to realize the above-mentioned purpose, the embodiment of the utility model designs a friction positioning type knob, which comprises:

[0005] A knob shell;

[0006] A driving structure is arranged in the knob shell; the driving structure rotates in the knob shell;

[0007] A friction assembly is arranged on both sides of the driving structure in the knob shell;

[0008] A sensing assembly is arranged below the driving structure and is fixed below the knob shell; the friction assembly frictionally positions the driving structure during rotation of the driving structure.

[0009] Further, in the friction positioning type knob of the utility model, a knob is fixed above the driving structure on the outside of the knob shell.

[0010] Further, in the friction positioning type knob of the utility model, the knob shell further comprises:

[0011] A base is arranged on the outside of the knob shell;

[0012] A base limiting screw is fixed in the internal threaded hole of the base.

[0013] Further, in the friction positioning type knob of the utility model, the driving structure further comprises:

[0014] A copper sleeve passes through the base and is locked at the other end by a copper sleeve nut at the position of the central hole of the base of the knob shell;

[0015] A rotating shaft is sleeved in the rotating groove of the base;

[0016] copper cover, the copper cover is pressed into the circular groove of the base; the copper cover is fixed on the base by screwing a copper cover positioning screw into the small threaded hole;

[0017] magnetic steel, the magnetic steel is pressed into after being glued at the magnetic steel hole of the rotating shaft.

[0018] Further, in the friction positioning type knob of the utility model, the friction assembly further comprises:

[0019] spring washer, the spring washer is pressed into the side hole of the base of the knob shell in sequence;

[0020] compression spring, the compression spring is pressed into the side of the spring washer;

[0021] POM touch ball, the POM touch ball is placed on the side of the compression spring;

[0022] Further, in the friction positioning type knob of the utility model, the compression spring positioning bolt is fixed in the side screw hole on the other side of the base.

[0023] Further, in the friction positioning type knob of the utility model, the sensing assembly further comprises:

[0024] PCB board heightening copper column, the PCB board heightening copper column is screwed into the threaded hole of the base of the knob shell;

[0025] PCB Hall plate, the PCB Hall plate is fixed by a PCB board positioning screw below the PCB board heightening copper column.

[0026] Further, in the friction positioning type knob of the utility model, the knob is sleeved on the upper end of the rotating shaft and is locked into a locking screw on the side.

[0027] Compared with the prior art, the embodiment of the utility model sets a driving structure in the knob shell; the driving structure rotates in the knob shell; the friction assembly is arranged on the two sides of the driving structure in the knob shell; the sensing assembly is fixed below the driving structure and below the knob shell; the friction assembly rubs the driving structure during the rotation of the driving structure and positions the driving structure. By making the lower friction structure and the electrical structure into modules and the upper handle convenient to install, the cost and working hours of replacing the handle friction structure are greatly saved; the cover plate of the friction structure inherits the limiting structure, and when the friction limiting angle structure is replaced, only the bottom cover plate needs to be replaced. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0029] Figure 2 It is Figure 1Explosion diagram of

[0030] Figure 3 A schematic diagram of the main viewing direction of the present invention;

[0031] Figure 4 This is an exploded schematic diagram of the main viewing direction of the present invention;

[0032] Figure 5 This is a schematic diagram of the installation of the base of the utility model. DETAILED DESCRIPTION

[0033] To make the objectives, technical solutions, and advantages of the present invention more clearly apparent, various embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will appreciate that many technical details are provided in various embodiments of the present invention to facilitate a better understanding of the present application. However, even without these technical details and the various variations and modifications based on the following embodiments, the technical solutions claimed in the claims of this application can be achieved.

[0034] The embodiment of the present utility model relates to a friction positioning knob, such as Figures 1 to 5 Shown, including:

[0035] In this embodiment, the knob housing 10 of the friction-positioning type knob serves as the housing;

[0036] A driving structure 20 is provided in the knob housing 10; the driving structure 20 rotates in the knob housing 10; the driving structure 20 serves as a driving component of the friction positioning knob in this embodiment;

[0037] In the knob housing 10 , friction assemblies 30 are provided on both sides of the driving structure 20 ; the friction assemblies 30 provide friction positioning for the friction positioning type knob of this embodiment;

[0038] A sensor assembly 40 is fixed beneath the drive structure 20 and the knob housing 10. The friction assembly 30 frictionally positions the drive structure 20 during its rotation. The sensor assembly 40 is used for Hall effect sensing of the knob. The friction-positioned knob in this embodiment utilizes a modular design of the lower friction structure and electrical structure, making the upper handle easy to install, significantly reducing the cost and labor of replacing the friction structure in the handle. The friction structure's cover plate inherits the position-limiting structure, so replacing the friction position-limiting angle structure only requires replacing the bottom cover plate.

[0039] In order to achieve the above technical effects, in the friction positioning type knob of this embodiment, as shown in FIG. Figures 1 to 5 As shown, the knob 1 is fixed on the outside of the knob housing 10 above the driving structure 20 .

[0040] In order to achieve the above technical effects, in the friction positioning type knob of the embodiment, as shown in Figures 1 to 5 The knob shell 10 further comprises:

[0041] The base 2 is arranged outside the knob shell 10;

[0042] The base limiting bolt 6 is fixed in the internal threaded hole 201 of the base 2. The base limiting bolt 6 is used to limit the position of the knob 1 on the base 2, and mainly plays a limiting role.

[0043] In order to achieve the above technical effects, in the friction positioning type knob of the embodiment, as shown in Figures 1 to 5 The driving structure 20 further comprises:

[0044] The copper sleeve 4 passes through the base 2 at the position of the center hole 202 of the base of the knob shell 10, and is locked at the other end by the copper sleeve nut 3;

[0045] The rotating shaft 5 is sleeved in the rotating groove 206 of the base 2; the copper sleeve 4 and the copper sleeve nut 3 are used to fix the rotating shaft 5,

[0046] The copper cover 8 is pressed into the circular groove 207 of the base 2; the copper cover positioning screw 9 is screwed into the small threaded hole 208 to fix the copper cover 8 on the base 2;

[0047] The magnetic steel 16 is pressed into the magnetic steel hole 501 of the rotating shaft 5 after being coated with glue. The magnetic steel 16 is mainly used for electromagnetic sensing and PCB Hall plate 11 to realize Hall sensing.

[0048] In order to achieve the above technical effects, in the friction positioning type knob of the embodiment, as shown in Figures 1 to 5 The friction assembly 30 further comprises:

[0049] The spring washer 7 is sequentially pressed into the side hole 203 of the base 2 of the knob shell 10;

[0050] The compression spring 14 is pressed into one side of the spring washer 7;

[0051] The POM touch ball 13 is placed on one side of the compression spring 14; the spring washer 7, the compression spring 14, and the POM touch ball 13 are sequentially pressed into the side hole 203 of the base 2 of the knob shell 10 to form the friction assembly 30.

[0052] In order to achieve the above technical effects, in the friction positioning type knob of the embodiment, as shown in Figures 1 to 5 The compression spring positioning bolt 15 is threadedly fixed in the side screw hole 204 on the other side of the base 2, and is used to block the spring washer 7, the compression spring 14, and the POM touch ball 13.

[0053] In order to achieve the above technical effects, in the friction positioning type knob of the embodiment, as shown inFigures 1 to 5 As shown, the sensing assembly 40 further comprises:

[0054] The PCB heightening copper column 101 is screwed into the threaded hole 209 of the base 2 of the knob shell 10;

[0055] The PCB Hall plate 11 is fixed by the PCB heightening copper column 1011 on the base of the knob shell 10.

[0056] In order to achieve the above technical effects, in the friction positioning type knob of the embodiment, as shown, Figures 1 to 5 The knob 1 is sleeved on the upper end of the rotating shaft 5 and locked by the locking screw on the side.

[0057] In the friction positioning type knob of the embodiment, as shown, Figures 1 to 5

[0058] 1) The base fixing bolt 6 is installed at the position 201 of the base 2 and locked.

[0059] 2) The copper sleeve 4 is passed through the center hole 202 of the base of the base 2, and the other end is locked by the copper sleeve nut 3

[0060] 3) The spring washer 7, the compression spring 14, and the POM touch ball 13 are sequentially installed in the side hole 203 of the base 2.

[0061] 4) The compression spring positioning bolt 15 is locked from the outside into the screw hole 204 of the base 2, and the locking screw is locked at the other side 2 of the side hole of the base 2.

[0062] 5) The magnetic steel 16 is pressed into the magnetic steel hole 501 of the rotating shaft 5, the rotating shaft 5 is sleeved into the rotating groove 206, the copper cover 8 is pressed into the groove 207, the copper cover positioning screw 9 is screwed into the small threaded hole 208 to fix the copper cover 8 on the base 2.

[0063] 6) After the PCB heightening copper column 101 is screwed into the threaded hole 209, the PCB Hall plate 11 is fixed on the PCB heightening copper column 101 by the PCB plate positioning screw 12.

[0064] 7) The knob 1 is sleeved on the upper end of the rotating shaft 5 and locked by the locking screw on the side.

[0065] The above completes the assembly.

[0066] Those skilled in the art can understand that the above embodiments are specific embodiments for implementing the present application, and in actual application, various changes can be made in form and details without departing from the spirit and scope of the present application.​

Claims

1. A frictionally positioned knob, characterized by, It includes: knob shell; drive structure, the drive structure is arranged in the knob shell; the drive structure rotates in the knob shell; friction assembly, the friction assembly is arranged on both sides of the drive structure in the knob shell; sensing assembly, the sensing assembly is fixed below the drive structure and below the knob shell; the friction assembly rubs the drive structure during rotation.

2. The frictionally positioned knob of claim 1, wherein, The knob is fixed above the drive structure outside the knob shell.

3. The frictionally positioned knob of claim 1, wherein, The knob shell further includes: base, the base is arranged outside the knob shell; base limiting bolt, the base limiting bolt is fixed in the internal threaded hole of the base.

4. The frictionally positioned knob of claim 1, wherein The drive structure further includes: copper sleeve, the copper sleeve passes through the base at the position of the central hole of the base of the knob shell and is locked at the other end by a copper sleeve nut; rotating shaft, the rotating shaft is sleeved in the rotating groove of the base; copper cover, the copper cover is pressed into the circular groove of the base; the copper cover is fixed on the base by rotating a copper cover positioning screw into a small threaded hole; magnetic steel, the magnetic steel is glued and pressed into the magnetic steel hole of the rotating shaft.

5. The frictionally positioned knob of claim 1, wherein The friction assembly further includes: spring washer, the spring washer is sequentially pressed into the side hole of the base of the knob shell; compression spring, the compression spring is pressed on one side of the spring washer; POM touch ball, the POM touch ball is placed on one side of the compression spring.

6. The frictionally positioned knob of claim 5, wherein, The compression spring positioning screw is threadedly fixed in the side screw hole on the other side of the base.

7. The frictionally positioned knob of claim 1, wherein The sensing assembly further includes: PCB board high copper column, the PCB board high copper column is screwed into the threaded hole of the base of the knob shell; PCB Hall plate, the PCB Hall plate is fixed by a PCB board positioning screw below the PCB board high copper column.

8. The frictionally positioned knob of claim 2, wherein, The knob is sleeved on the upper end of the rotating shaft and is locked by a side locking screw.

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