CN214795743U

CN214795743U - Rotary knob assembly with screen

Info

Publication number: CN214795743U
Application number: CN202120728122.8U
Authority: CN
Inventors: 王志洋; 叶德火; 朱文山; 尤明辉
Original assignee: Xiamen Intretech Inc
Current assignee: Xiamen Intretech Inc
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-19
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a take knob subassembly of screen, including the metal knob, first support, a bearing, the second support, the main support, screen and PCB board, second support and PCB board all set up on the main support, the screen is installed on the second support, first support cover is established in the second support outside, and first support passes through the bearing and is connected with the second leg rotation, the metal knob cover is established in the first support outside and can drive first support rotation, the metal knob is connected with first support electricity, first support still is connected with second leg electricity through the bearing, the second support is connected with the earth electricity on the PCB board. The utility model discloses a metal knob loops through the ground electricity connection on first support, bearing, second support and the PCB board, makes and forms an electrostatic discharge route between the ground on metal knob and the PCB board to the protection screen can not cause the damage because of receiving the static attack, promotes product stability.

Description

Rotary knob assembly with screen

Technical Field

The utility model relates to a take knob subassembly of screen.

Background

In intelligent house or car field, knob assembly's use is very general, mainly realizes the function of gear regulation through rotatory knob, and the operation is directly perceived convenient, and the knob assembly of taking the screen then has the function that the gear was adjusted and is shown simultaneously. The current knob subassembly of taking the screen, the mounted position of its knob and screen is very close to, so the knob adopts metal material less than will, if the knob adopts metal material, because the mounted position of screen is very close to the knob, when user's hand goes the knob of touching metal material, produces static easily, probably causes the damage to the screen.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem, provide a take knob subassembly of screen.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a take knob subassembly of screen, includes metal knob, first support, bearing, second support, main support, screen and PCB board, second support and PCB board all set up on the main support, the screen is installed on the second support, first support cover is established the second support outside, just first support passes through the bearing with the second support rotates to be connected, the metal knob cover is established first support outside and can drive first support rotates, the metal knob with first support electric connection, first support still passes through the bearing with second support electric connection, the second support with ground electric connection on the PCB board.

Preferably, the PCB further comprises a first conductive part, the second bracket is electrically connected with the ground on the PCB through the first conductive part, and the first conductive part is conductive foam, a conductive elastic sheet or a conductive wire.

Preferably, the metal panel is arranged on the main support, the main support and the PCB are both positioned on the inner side of the metal panel, a mounting hole is formed in the metal panel corresponding to the metal knob, and the metal knob is movably arranged in the mounting hole in a penetrating mode.

Preferably, the metal panel further comprises a second conductive component, the metal panel is electrically connected with the ground on the PCB board through the second conductive component, and the second conductive component is conductive foam, a conductive elastic sheet or a conductive wire.

Preferably, the metal knob is in interference fit with the first support, so that the metal knob is electrically connected with the first support and can drive the first support to rotate.

Preferably, the metal knob is further glued to the first bracket.

Preferably, a first rib is arranged on the metal knob and/or the first support, and the first support is in interference fit with the metal knob through the first rib.

Preferably, the bearing comprises an inner ring, an outer ring and a steel ball arranged between the inner ring and the outer ring, and the inner ring is electrically connected with the outer ring through the steel ball; the first bracket is in interference fit with the outer ring, so that the first bracket is electrically connected with the outer ring and can drive the outer ring to rotate; the second support is in interference fit with the inner ring, so that the second support is electrically connected with the inner ring, and the second support and the inner ring are circumferentially and relatively fixed.

Preferably, the gaps among the steel ball, the inner ring and the outer ring are respectively filled with conductive grease.

Preferably, the outer surface of the first bracket is coated with a conductive coating, or the first bracket is made of a conductive material;

the outer surface of the second support is coated with a conductive coating, or the second support is made of a conductive material.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a metal knob loops through the ground electricity connection on first support, bearing, second support and the PCB board, makes and forms an electrostatic discharge route between the ground on metal knob and the PCB board to the protection screen can not cause the damage because of receiving the static attack, promotes product stability.

2. The utility model discloses a set up first conductive part between second support and PCB board, first conductive part is electrically conductive bubble cotton, electrically conductive shell fragment or wire, can guarantee that the ground on second support and the PCB board is reliably connected electrically.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the above embodiments.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic exploded view of the present invention;

fig. 4 is a schematic perspective view of the first bracket of the present invention;

fig. 5 is a schematic perspective view of a second bracket according to the present invention.

The reference numerals are explained below:

1-metal knob, 11-first opening, 12-end cover, 2-first support, 21-first rib, 22-second rib, 3-bearing, 4-second support, 41-third rib, 5-main support, 6-screen, 7-PCB board, 8-first conductive component, 9-metal panel, 91-mounting hole, 10-second conductive component.

Detailed Description

An embodiment, please refer to fig. 1 to 5, the utility model discloses a take knob subassembly of screen, including metal knob 1, first support 2, bearing 3, second support 4, main support 5, screen 6 and PCB board 7 (printed circuit board promptly), second support 4 and PCB board 7 all set up on main support 5, screen 6 is installed on second support 4, first support 2 cover is established in the second support 4 outside, and first support 2 rotates with second support 4 through bearing 3 and is connected, metal knob 1 cover is established in the first support 2 outside and can drive first support 2 and rotate, metal knob 1 is connected with first support 2 electricity, first support 2 still is connected with second support 4 electricity through bearing 3, second support 4 is connected with the electricity on the PCB board 7.

In this embodiment, an optical tracking sensor (not shown in the figure) for detecting the rotation of the first bracket 2 is arranged below the first bracket 2, and the optical tracking sensor is electrically connected with a control unit (not shown in the figure) on the PCB 7 and sends a detection signal to the control unit; the screen 6 is connected to a connector (not shown) on the PCB board 7 through an FPC line (not shown) to realize a power-on display.

Referring to fig. 2 and 3, in the present embodiment, the knob assembly with the screen 6 further includes a first conductive component 8, the second bracket 4 is electrically connected to the ground on the PCB 7 through the first conductive component 8, the first conductive component 8 is a conductive foam, and the conductive foam has certain elasticity. The present embodiment can ensure reliable electrical connection of the second holder 4 to the ground on the PCB board 7 by providing the first conductive member 8 between the second holder 4 and the PCB board 7. Of course, in other embodiments, the first conductive component 8 may also be a conductive elastic sheet, one end of the conductive elastic sheet is electrically connected to the second bracket 4, and the other end of the conductive elastic sheet is electrically connected to the ground on the PCB 7; alternatively, the first conductive member 8 may be a wire, one end of which is electrically connected to the second bracket 4, and the other end of which is electrically connected to the ground on the PCB board 7.

Referring to fig. 1 to 3, in the present embodiment, the knob assembly with the screen 6 further includes a metal panel 9, the metal panel 9 is disposed on the main support 5, and the main support 5 and the PCB 7 are both located inside the metal panel 9, a mounting hole 91 is formed on the metal panel 9 corresponding to the metal knob 1, the metal knob 1 is movably disposed in the mounting hole 91, and the metal panel 9 can play a role of shielding and protecting the main support 5 and the PCB 7, so that the product is more beautiful and has higher reliability. Specifically, as shown in fig. 2, the second bracket 4 and the PCB board 7 are respectively disposed at upper and lower sides of the main bracket 5, and the metal panel 9 and the second bracket 4 are both disposed at an upper side of the main bracket 5.

Referring to fig. 2 and 3, in the present embodiment, the knob assembly with the screen 6 further includes a second conductive component 10, the metal panel 9 is electrically connected to the ground on the PCB 7 through the second conductive component 10, and the second conductive component 10 is conductive foam. In the embodiment, the second conductive component 10 is arranged between the metal panel 9 and the PCB 7, so that the metal panel 9 and the ground on the PCB 7 can be reliably electrically connected, and the sensor on the PCB 7, which is closer to the metal panel 9, is prevented from being influenced by electrostatic interference on the metal panel 9 to further influence the detection result. Of course, in other embodiments, the second conductive component 10 may also be a conductive dome or wire.

In this embodiment, the metal knob 1 is in interference fit with the first bracket 2, so that the metal knob 1 is electrically connected with the first bracket 2 and can drive the first bracket 2 to rotate. Specifically, please refer to fig. 3 and 4, the first bracket 2 is annular, a plurality of first ribs 21 are arranged on the outer side wall of the first bracket 2 along the circumferential direction thereof, and the first bracket 2 is in interference fit with the metal knob 1 through the first ribs 21, so that the metal knob 1 is electrically connected with the first bracket 2 and can drive the first bracket 2 to rotate. Of course, in other embodiments, it is also possible that the entire outer side wall of the first bracket 2 is directly in interference fit with the metal knob 1, and the outer side wall of the first bracket 2 is not provided with the first rib 21.

In this embodiment, the inside wall of metal knob 1 still splices with the lateral wall of first support 2, can strengthen the joint strength of metal knob 1 and first support 2, makes metal knob 1 can drive first support 2 reliably and rotates.

In this embodiment, the bearing 3 includes an inner ring (not specifically shown), an outer ring (not specifically shown), and a steel ball (not specifically shown) disposed between the inner ring and the outer ring, the specific structure of the bearing 3 is not shown in fig. 2 and 3, the inner ring is electrically connected to the outer ring through the steel ball, and both the inner ring and the outer ring of the bearing 3 are made of a conductive material; the first support 2 is in interference fit with the outer ring, so that the first support 2 is electrically connected with the outer ring and can drive the outer ring to rotate; the second support 4 is in interference fit with the inner ring, so that the second support 4 is electrically connected with the inner ring, and the second support 4 and the inner ring are circumferentially and relatively fixed. Referring to fig. 2 to 4, a plurality of second ribs 22 are arranged on the inner side wall of the first bracket 2 along the circumferential direction thereof, the first bracket 2 is in interference fit with the outer ring of the bearing 3 through the second ribs 22, a plurality of third ribs 41 are arranged on the outer side wall of the second bracket 4 along the circumferential direction thereof, and the second bracket 4 is in interference fit with the inner ring of the bearing 3 through the third ribs 41.

In this embodiment, the gaps between the steel ball and the inner ring and the outer ring are respectively filled with conductive grease, and the conductive grease can play a role in lubrication and can ensure reliable electrical connection between the steel ball and the inner ring or the outer ring.

In this embodiment, the first support 2 and the first support 2 are made of ABS plastic, the outer surface of the first support 2 is coated with a conductive coating (not shown in the figure), so that the first support 2 can be conductive, the outer surface of the second support 4 is coated with a conductive coating (not shown in the figure), so that the second support 4 can be conductive, and the conductive coatings on the outer surfaces of the first support 2 and the second support 4 are made of nickel, silver, cadmium or alloys thereof. Of course, in other embodiments, the first holder 2 may be made of a conductive material (e.g., a superconducting plastic) directly, and the second holder 4 may be made of a conductive material (e.g., a superconducting plastic) directly.

Referring to fig. 1 to 3, in the present embodiment, the metal knob 1 and the metal panel 9 are made of aluminum alloy, the metal knob 1 is substantially cylindrical, one end of the metal knob 1 is provided with a first opening 11 corresponding to the screen 6, the other end of the metal knob 1 is provided with a second opening (not marked in the figures), an end cover 12 is disposed on the metal knob 1 at the first opening 11, and the end cover 12 has a transparent or semitransparent area for displaying data on the screen 6. Specifically, in the present embodiment, the entire end cap 12 is made of a transparent material, and the end cap 12 can be used for transmitting light on the screen 6.

In other embodiments, be equipped with a plurality of first ribs along its circumference on the inside wall of metal knob, perhaps equally divide on the inside wall of metal knob and the lateral wall of first support and do not be equipped with a plurality of first ribs, first support is through first rib and metal knob interference fit, equally also can realize the utility model aims at.

It is right by the aforesaid the utility model discloses a description compares in prior art, the utility model discloses a metal knob loops through the ground electricity connection on first support, bearing, second support and the PCB board, makes to form an electrostatic discharge route between the ground on metal knob and the PCB board, guarantees that the static that the user produced can not cause the damage to the screen in the use, promotes product stability.

The above embodiments are only used to further illustrate the utility model discloses a knob subassembly with screen, but the utility model discloses do not limit to the embodiment, all according to the utility model discloses a technical entity does any simple modification, equivalent change and modification to above embodiment, all fall into the protection scope of the technical scheme of the utility model.

Claims

1. The utility model provides a take knob subassembly of screen, its characterized in that, includes metal knob, first support, bearing, second support, main support, screen and PCB board, second support and PCB board all set up on the main support, the screen is installed on the second support, first support cover is established the second support outside, just first support passes through the bearing with the second support rotates to be connected, the metal knob cover is established first support outside and can drive first support rotates, the metal knob with first support electric connection, first support still passes through the bearing with the second support electricity is connected, the second support with ground electric connection on the PCB board.

2. The screen knob assembly of claim 1 further comprising a first conductive component, wherein the second bracket is electrically connected to ground on the PCB board through the first conductive component, and wherein the first conductive component is a conductive foam, a conductive spring, or a conductive wire.

3. The rotary knob assembly with screen of claim 1, further comprising a metal panel, wherein the metal panel is disposed on the main bracket, and the main bracket and the PCB board are both located at an inner side of the metal panel, the metal panel is provided with a mounting hole corresponding to the metal knob, and the metal knob is movably disposed through the mounting hole.

4. The screen knob assembly of claim 3 further comprising a second conductive component, wherein the metal panel is electrically connected to ground on the PCB board through the second conductive component, and the second conductive component is a conductive foam, a conductive clip or a wire.

5. The rotatable screen knob assembly of claim 1 wherein the metal knob has an interference fit with the first bracket such that the metal knob is electrically connected to the first bracket and can rotate the first bracket.

6. The rotary screen knob assembly of claim 5 wherein the metal knob is further glued to the first bracket.

7. The rotary knob assembly with screen of claim 5 or 6, wherein the metal rotary knob and/or the first bracket is provided with a first rib, and the first bracket is in interference fit with the metal rotary knob through the first rib.

8. The rotary knob assembly with screen of claim 1, wherein the bearing comprises an inner ring, an outer ring and a steel ball disposed between the inner ring and the outer ring, the inner ring being electrically connected to the outer ring through the steel ball; the first bracket is in interference fit with the outer ring, so that the first bracket is electrically connected with the outer ring and can drive the outer ring to rotate; the second support is in interference fit with the inner ring, so that the second support is electrically connected with the inner ring, and the second support and the inner ring are circumferentially and relatively fixed.

9. The rotary screen knob assembly according to claim 8 wherein gaps between the steel ball and the inner and outer rings are filled with conductive grease, respectively.

10. The screen knob assembly of claim 1 wherein the first bracket is coated with a conductive coating on its outer surface, or the first bracket is made of a conductive material;