Knob screen anti-separation structure

Abstract

The utility model discloses an anti-separation structure of a knob screen, which relates to the technical field of knob screens and comprises a PCBA (Printed Circuit Board Assembly), an encoder, a rotating structure, a knob shell and a pressing structure, the PCBA board is provided with a clamping hole; the encoder is fixed with the PCBA board, and the encoder can be pressed; the rotating structure comprises a fixed part and a rotating part, the fixed part is fixed with the PCBA board, and the rotating part can rotate relative to the fixed part; the knob shell is arranged on the outer side of the rotating structure and is fixed with the rotating part; the pressing structure comprises a clamping block and a pressing block, the clamping block can be clamped with the clamping hole and is used for connecting the PCBA board and the pressing structure, and the pressing block is in contact with the encoder and is used for pressing the encoder through the pressing structure. The pressing structure and the rotating structure are both connected to the PCBA board, and due to the fact that the PCBA board has a large area, the pressing structure and the rotating structure can both have a large connecting face, and therefore stable fixation is formed.

Description

Technical Field

[0001] The present application relates to the technical field of knob screens, and in particular to a knob screen anti-detachment structure. Background Art

[0002] The knob screen is a smart display screen that is small in size and can be rotated for operation. The knob screen is widely used in various smart devices, such as smart home, smart wearable, smart car, etc., and is often used to control the adjustment of parameters such as volume, brightness, channel, etc. Due to its small size and knob control method, the knob screen is very suitable for providing convenient and fast operation in a limited space.

[0003] At present, the knob screen can usually be controlled by rotation. The utility model patent announcement number CN220085902U discloses a stable knob structure, which belongs to the technical field of parts and components, including an encoder body, an encoder bearing, a knob body, a screw, and a support member; the bottom end of the encoder body is welded on the circuit board; the encoder shaft is arranged at the end of the encoder body away from the circuit board, and the knob body is installed on the encoder shaft; the top of the encoder shaft is provided with a threaded hole adapted to the screw, and the screw passes through the knob body and is connected to the threaded hole; the support member is connected to the encoder bearing to support the encoder shaft. The utility model can reduce the possibility of unstable connection between the knob body and the encoder shaft, that is, avoid the possibility of idling when the knob body rotates; improve the quality of the encoder shaft, further reduce the possibility of the encoder shaft breaking, and at the same time, under the premise of ensuring that it can rotate, increase the plane contact area, so that the knob body will not produce obvious shaking. Since the knob body has only one support point of the encoder, if it is applied to a knob screen with a pressing function, the single connection mode will cause the connection between the knob body and the encoder to be subjected to greater pressure, resulting in easy damage to the connection. Summary of the invention

[0004] In order to solve the problem that the connection between the knob screen and the encoder of the pressable knob screen is not stable enough, the present application provides a knob screen anti-detachment structure.

[0005] The present application provides a knob screen anti-detachment structure adopts the following technical solution:

[0006] A knob screen anti-detachment structure comprises a PCBA board, an encoder, a rotating structure, a knob shell and a pressing structure; the PCBA board has a clamping hole; the encoder is fixed to the PCBA board and can be pressed; the rotating structure comprises a fixed part and a rotating part, the fixed part is fixed to the PCBA board, and the rotating part can rotate relative to the fixed part; the knob shell is arranged outside the rotating structure and is fixed to the rotating part; the pressing structure comprises a clamping block and a pressing block, the clamping block can be clamped with the clamping hole and is used to connect the PCBA board and the pressing structure, the pressing block is in contact with the encoder and is used to press the encoder through the pressing structure.

[0007] By adopting the above technical solution, the PCBA board is the main component for controlling the knob screen, and is also used to provide support for the anti-detachment structure of the knob screen. By fixing the rotating structure and the pressing structure on the PCBA board, the rotating structure and the pressing structure can be supported at multiple points, avoiding the single-point connection of the rotating structure and the pressing structure through the encoder, thereby making the anti-detachment structure of the knob screen more stable. The encoder can be pressed, and through contact with the pressing block, the pressing structure is transmitted to the encoder after being pressed, and the encoder generates an electrical signal. In addition, the encoder can sense the position of the knob housing without contact, thereby generating different electrical signals through different positions of the knob housing, and the electrical signal generated by the encoder is transmitted to the PCBA board, so that the knob screen can be on the PCBA. The corresponding content is displayed under the control of the board; the fixed part of the rotating structure is fixed on the PCBA board, the rotating part can rotate relative to the fixed part, and is fixed to the knob housing, so that the knob housing can rotate under the support of the rotating structure, making the rotation more stable; the pressing structure is connected to the PCBA board through the clamping block and the clamping hole, and the pressing device is connected through the PCBA board, which can make the pressing device more stable; the pressing structure contacts the encoder through the pressing block, so that the encoder can support the pressing structure when it is not pressed, and when the pressing structure is pressed, the encoder is pressed by the pressing structure, thereby realizing the pressing function of the knob screen; by using the PCBA board to connect the rotating structure and the pressing structure, the knob screen with rotation and pressing functions has a more stable structure.

[0008] Optionally, the clamping block has an inclined surface, and the inclined surface is used to make it easier for the clamping block to be pressed into the clamping hole.

[0009] By adopting the above technical solution, since the PCBA board and the pressing structure are separate structures, they need to be snap-fitted during installation. Therefore, by providing an inclined surface, the snap-fit ​​block can use the inclined surface to apply the force of inserting the PCBA board into the pressing structure to cause the snap-fit ​​block to be slightly displaced, thereby inserting it into the snap-fit ​​hole and forming a snap-fit. The inclined surface makes the connection between the PCBA board and the pressing structure more convenient, which is beneficial to improving the installation efficiency of the anti-separation structure.

[0010] Optionally, the clamping block has a connecting portion, which can move in the clamping hole, so as to enable the pressing structure to move relative to the PCBA board.

[0011] By adopting the above technical solution, the pressing structure moves relative to the PCBA board when the encoder is pressed. Therefore, a connecting portion is provided on the clamping block, and the connecting portion can move in the clamping hole. When the pressing structure is pressed, the clamping block can move relative to the clamping hole by providing the connecting portion, thereby avoiding the need for an additional moving device, and allowing the pressing structure to form a stable structure in a relatively simple manner.

[0012] Optionally, there are multiple clamping blocks, and the multiple clamping blocks are evenly distributed.

[0013] By adopting the above technical solution, multiple clamping blocks can enhance the connection stability between the PCBA board and the pressing structure, and the uniform distribution can make each clamping block bear uniform pressure when fixing the pressing structure and the PCBA board, making the structure more stable.

[0014] Optionally, the pressing structure also includes a support platform.

[0015] By adopting the above technical solution, since the pressing structure is the structure for transmitting pressing in the knob screen, and the screen of the knob screen is the structure that is pressed during the use of the knob screen, a support platform is provided for installing the screen of the knob screen, so that the knob screen can be fixed to the pressing structure, so that the pressing can be accurately sensed by the pressing structure, thereby ensuring the functional stability of the knob screen.

[0016] Optionally, the knob housing includes a connecting frame, and the rotating part includes a connecting groove, and the connecting frame and the connecting groove fit together to fix the knob housing and the rotating part.

[0017] By adopting the above technical solution, the rotating structure and the knob housing are usually separately manufactured components. The rotating structure can be fixed, and the knob housing needs to change its size according to the form of the knob screen, and the knob housing is fixed to the outside of the rotating structure. The knob housing can be easily and stably fixed on the rotating structure through the connecting frame and the connecting groove.

[0018] Optionally, the connecting slot has an opening, and the connecting frame can be inserted into or detached from the connecting slot through the opening.

[0019] By adopting the above technical solution and providing an opening, the connecting frame can be quickly inserted into or removed from the connecting groove without deformation.

[0020] Optionally, the PCBA board has a fixing hole, and the fixing part has a fixing block, which fits with the fixing hole and is used to fix the PCBA board and the rotating structure.

[0021] By adopting the above technical solution, the fixing block and the fixing hole can quickly complete the fixation of the PCBA board and the rotating structure, and the outer side of the rotating structure will be restricted by the pressing structure, thereby preventing the rotating structure from falling off the PCBA board. The fixation can be completed by simply connecting the fixing block and the fixing hole.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. The pressing structure and the rotating structure are both connected to the PCBA board. Since the PCBA board has a large area, the pressing structure and the rotating structure can have a large connection surface, so that the pressing structure and the rotating structure can be fixed on the PCBA board through multiple fixing points, forming a relatively stable fixation;

[0024] 2. By providing a connecting portion on the clamping block, the clamping block can move relative to the clamping hole. When the pressing structure is pressed, it can move as a whole, avoiding the need to provide an additional moving structure, so that the pressing structure can be pressed in a simpler way. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0026] Figure 2 It is a schematic diagram of the explosion structure of an embodiment of the present application;

[0027] Figure 3 is a schematic structural diagram of a pressing structure of an embodiment of the present application;

[0028] Figure 4 This is a schematic diagram of the structure of the pressing structure and PCBA board of the embodiment of the present application.

[0029] Figure 5 yes Figure 3 A partial enlarged schematic diagram of part A;

[0030] Figure 6 It is a schematic diagram of the structure of the rotating mechanism and the knob housing of the embodiment of the present application.

[0031] Figure numerals: 1, PCBA board; 11, snap-on hole; 12, fixing hole; 2, encoder; 3, rotating structure; 31, fixing part; 32, rotating part; 33, connecting groove; 34, opening; 35, fixing block; 4, knob housing; 41, connecting frame; 5, pressing structure; 51, snap-on block; 51a, inclined surface; 51b, connecting part; 52, pressing block; 53, supporting platform. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1 To Attachment Figure 6, further details of this application are given.

[0033] A knob screen anti-detachment structure, referring to Figures 1 to 3 , including a PCBA board 1, an encoder 2, a rotating structure 3, a knob housing 4 and a pressing structure 5; the PCBA board 1 is arranged below the anti-separation structure, and the PCBA board 1 is used to fix the rotating structure 3 and the pressing structure 5 while serving as a control unit of the knob screen. Since the PCBA board 1 has a large area, it can provide more fixing sites for the rotating structure 3 and the pressing structure 5, so that the anti-separation structure has a relatively stable structure; the encoder 2 is also fixed on the PCBA board 1, and the encoder 2 senses the position of the knob housing 4 and forms an electrical signal after being pressed, and transmits the electrical signal to the PCBA board 1, so that the PCBA board 1 can control the display content of the knob screen according to the electrical signal; the rotating structure 3 includes a fixing part 31 and a rotating part 32, the fixing part 31 is provided with a fixing block 35, and the PCBA board 1 is provided with a fixing hole 12 The fixing block 35 and the fixing hole 12 are matched, so that the rotating structure 3 can be fixed on the PCBA board 1. The rotating part 32 can rotate relative to the fixing part 31. The rotating part 32 is fixedly connected to the knob housing 4, which is used to support the knob housing 4 so that the knob housing 4 can rotate relative to the PCBA board 1; the pressing structure 5 includes a clamping block 51, a pressing block 52 and a support platform 53. The PCBA board 1 is provided with a clamping hole 11. There are four clamping holes 11 and four clamping blocks 51 respectively, and they are evenly surrounded in a circle. The clamping hole 11 and the clamping block 51 form a clamping connection, so that the PCBA board 1 and the pressing structure 5 can be connected. When the two are connected, the pressing block 52 contacts the upper end of the encoder 2. When the pressing structure 5 is pressed, the encoder 2 will be pressed by the pressing block 52 at the same time. The support platform 53 is located above the pressing structure 5, which is used to fix the screen supporting the knob screen.

[0034] Reference Figures 3 to 5 The clamping block 51 includes an inclined surface 51a and a connecting portion 51b. The inclined surface 51a can convert the insertion force into a force to open the clamping block 51 when the pressing structure 5 is inserted into the PCBA board 1, so that the clamping block 51 can be inserted into the clamping hole 11 and re-fasten the clamping hole 11 to form a clamping connection after insertion. The connecting portion 51b can move in the clamping hole 11, so that the pressing structure 5 can move relative to the PCBA board 1. When the pressing structure 5 is not pressed, the pressing block 52 in the pressing structure 5 presses the encoder 2, so that the clamping block 51 and the clamping hole 11 are fastened to each other. When the pressing structure 5 is pressed, the pressing structure 5 descends as a whole, the pressing block 52 presses the encoder 2, and the clamping block 51 moves in the clamping hole 11 through the connecting portion 51b, thereby completing the pressing.

[0035] Reference Figure 6The rotating portion 32 is provided with a connecting groove 33, and the knob housing 4 is provided with a connecting frame 41. There are three connecting grooves 33 and three connecting frames 41, which are evenly distributed on the rotating portion 32 and the knob housing 4 respectively. The connecting groove 33 has an opening 34, and the connecting frame 41 can be inserted into the connecting groove 33 through the opening 34. Therefore, through the clamping of the connecting groove 33 and the connecting frame 41, the rotating portion 32 of the rotating structure 3 and the knob housing 4 are fixed to each other, so that the knob housing 4 can rotate relative to the PCBA board 1 under the support of the rotating portion 32.

[0036] The implementation principle of the embodiment of the present application is as follows: during the installation process, the encoder 2 and the PCBA board 1 are first fixed, and then the PCBA board 1 and the rotating structure 3 are fixed through the fixing hole 12 and the fixing block 35, and the connecting frame 41 is installed into the connecting groove 33 from the opening 34, thereby fixing the knob housing 4 and the rotating structure 3, and then the pressing structure 5 is inserted from the middle of the rotating structure 3, and the PCBA board 1 and the pressing structure 5 are fixed by the clamping block 51 and the clamping hole 11, thereby completing the installation; the rotating structure 3 and the pressing structure 5 are independent of each other, and are both fixed on the larger PCBA board 1 through several fixed points, so as to maintain the stability of the structure while realizing the rotation and pressing functions.

[0037] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A knob screen anti-detachment structure, characterized in that: include: A PCBA board (1) having a card connection hole (11); An encoder (2) is fixed to the PCBA board (1), and the encoder (2) is pressable; The rotating structure (3) comprises a fixed portion (31) and a rotating portion (32), wherein the fixed portion (31) is fixed to the PCBA board (1), and the rotating portion (32) is capable of rotating relative to the fixed portion (31); A knob housing (4) is arranged outside the rotating structure (3) and is fixed to the rotating portion (32); The pressing structure (5) comprises a clamping block (51) and a pressing block (52); the clamping block (51) is capable of being clamped with the clamping hole (11) and is used to connect the PCBA board (1) and the pressing structure (5); the pressing block (52) is in contact with the encoder (2) and is used to press the encoder (2) through the pressing structure (5).

2. The knob screen anti-detachment structure according to claim 1, characterized in that: The clamping block (51) has an inclined surface (51a), and the inclined surface (51a) is used to facilitate the clamping block (51) to be inserted into the clamping hole (11).

3. The knob screen anti-detachment structure according to claim 1, characterized in that: The clamping block (51) has a connecting portion (51b), and the connecting portion (51b) is movable in the clamping hole (11) and is used to enable the pressing structure (5) to move relative to the PCBA board (1).

4. The knob screen anti-detachment structure according to claim 1, characterized in that: The number of the clamping blocks (51) is multiple, and the multiple clamping blocks (51) are evenly distributed.

5. The knob screen anti-detachment structure according to claim 1, characterized in that: The pressing structure (5) also includes a support platform (53).

6. The knob screen anti-detachment structure according to claim 1, characterized in that: The knob housing (4) comprises a connecting frame (41), the rotating portion (32) comprises a connecting groove (33), and the connecting frame (41) and the connecting groove (33) fit together and are used to fix the knob housing (4) and the rotating portion (32).

7. The knob screen anti-detachment structure according to claim 6, characterized in that: The connecting groove (33) has an opening (34), and the connecting frame (41) can be inserted into or detached from the connecting groove (33) through the opening (34).

8. The knob screen anti-detachment structure according to claim 1, characterized in that: The PCBA board (1) has a fixing hole (12), and the fixing portion (31) has a fixing block (35), wherein the fixing block (35) fits in the fixing hole (12) and is used to fix the PCBA board (1) and the rotating structure (3).

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