CN220232322U

CN220232322U - Knob panel

Info

Publication number: CN220232322U
Application number: CN202322215183.6U
Authority: CN
Inventors: 焦家海
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2023-12-22
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a knob panel, wherein an upper cover body and a lower cover body are fixedly connected, and a PCBA panel and a PCBA power supply board are both positioned in the lower cover body; the inner bushing and the hollow encoder are positioned in the upper cover body, and the knob and the display screen are exposed out of the upper cover body; the display screen is fixed at the outer end of the inner bushing, and is electrically connected with the PCBA panel; the inner bushing is provided with a key contact, the PCBA panel is provided with a key position, the inner end of the inner bushing is clamped with the PCBA panel, and the key contact corresponds to the key position; the PCBA power panel is electrically connected with the PCBA panel; the outer ring of the hollow encoder is clamped with the outer bushing, and the inner ring of the hollow encoder is clamped with the inner bushing; the knob is connected to the periphery of the outer lining. The utility model can realize rotation and function switching, has compact and reasonable structural design, strong stability and long service life.

Description

Knob panel

Technical Field

The utility model belongs to the technical field of intelligent home, and particularly relates to a knob panel.

Background

The thermostat or dimming panel typically effects temperature control or dimming control by rotation of a knob on the panel. For example, the functions of switching, temperature, mode and air volume control of an air conditioner, mode switching and temperature adjustment of floor heating, color temperature and brightness adjustment of lamplight and the like are realized by adopting a knob structure; these knob structures often employ encoder or potentiometer schemes to perform their functions.

At present, the knob panel is single in general function, can only complete the rotation adjusting function, for example, can only adjust the wind speed, can not convert electric signals through a mechanical structure, so that function selection and confirmation can be realized, if the functions are to be realized, a plurality of knob panels or other external function confirmation buttons are required on one panel, the structural stability is poor, mechanical faults are easy to occur, normal use is influenced, and a new knob panel scheme is necessary to be developed.

Disclosure of Invention

Therefore, the utility model provides a knob panel, which solves the problems that the traditional knob panel has single function and is easy to cause mechanical failure.

In order to achieve the above object, the present utility model provides the following technical solutions: a knob panel comprises an upper cover body, a lower cover body, a PCBA panel, a PCBA power panel, a display screen, an inner bushing, a hollow encoder, an outer bushing and a knob;

the upper cover body is fixedly connected with the lower cover body, and the PCBA panel and the PCBA power panel are both positioned in the lower cover body; the inner bushing and the hollow encoder are positioned in the upper cover body, and the knob and the display screen are exposed out of the upper cover body;

the display screen is fixed at the outer end of the inner bushing, and the display screen is electrically connected with the PCBA panel; the inner bushing is provided with a key contact, the PCBA panel is provided with a key position, the inner end of the inner bushing is clamped with the PCBA panel, and the key contact corresponds to the key position; the PCBA power panel is electrically connected with the PCBA power panel;

the outer ring of the hollow encoder is clamped with the outer bushing, and the inner ring of the hollow encoder is clamped with the inner bushing; the knob is connected to the periphery of the outer bushing.

As a preferable scheme of the knob panel, a through hole is formed in the center of the upper cover body, a flange is formed at the edge of the through hole, and the edge of the knob is positioned outside the flange.

As the preferable scheme of the knob panel, the upper cover body and the lower cover body are fixedly connected through screws; the knob and the outer lining are bonded by glue.

As a preferable scheme of the knob panel, the inner bushing is provided with a first buckling position; the PCBA panel is provided with a first buckling part, and the first buckling position is connected with the first buckling part.

As the preferable scheme of knob panel, the inner liner is equipped with the reference column, PCBA panel corresponds the position of reference column is equipped with the locating hole, the periphery cover of reference column has reset spring.

As a preferable scheme of the knob panel, the outer bushing is provided with a limiting boss and a second buckling position, the outer ring of the hollow encoder is provided with a limiting groove and a second buckling part, and the limiting boss is inserted into the limiting groove; the second buckling part is connected with the second buckling part.

As the preferable scheme of knob panel, the edge of outer bush is formed with the round platform, the knob corresponds the position of round platform is equipped with the cooperation groove.

As the preferable scheme of the knob panel, the PCBA panel and the PCBA power panel are connected by adopting a PCB connector; the display screen is connected with the wiring terminals on the PCBA panel through a flat cable.

As a preferable scheme of the knob panel, the rotary knob panel further comprises a mounting piece, wherein the mounting piece is matched with the outer part of the lower cover body.

The beneficial effects of the utility model are as follows: the device is provided with an upper cover body, a lower cover body, a PCBA panel, a PCBA power panel, a display screen, an inner bushing, a hollow encoder, an outer bushing and a knob; the upper cover body is fixedly connected with the lower cover body, and the PCBA panel and the PCBA power supply board are both positioned in the lower cover body; the inner bushing and the hollow encoder are positioned in the upper cover body, and the knob and the display screen are exposed out of the upper cover body; the display screen is fixed at the outer end of the inner bushing, and is electrically connected with the PCBA panel; the inner bushing is provided with a key contact, the PCBA panel is provided with a key position, the inner end of the inner bushing is clamped with the PCBA panel, and the key contact corresponds to the key position; the PCBA power panel is electrically connected with the PCBA panel; the outer ring of the hollow encoder is clamped with the outer bushing, and the inner ring of the hollow encoder is clamped with the inner bushing; the knob is connected to the periphery of the outer lining. The utility model can realize rotation and function switching, has compact and reasonable structural design, strong stability and long service life.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the scope of the utility model.

FIG. 1 is an exploded view of a knob panel according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a knob panel according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an inner bushing structure of a knob panel according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a knob panel according to an embodiment of the present utility model.

In the figure, 1, an upper cover body; 2. a lower cover; 3. a PCBA panel; 4. PCBA power panel; 5. a display screen; 6. an inner liner; 7. a hollow encoder; 8. an outer liner; 9. a knob; 10. a key contact; 11. a key position; 12. a through port; 13. a flange; 14. a first buckling position; 15. a first buckling part; 16. positioning columns; 17. positioning holes; 18. a return spring; 19. a limit boss; 20. a second buckling position; 21. a limit groove; 22. a second buckling part; 23. round bench; 24. a mating groove; 25. and a mounting member.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, an embodiment of the present utility model provides a knob panel, which includes an upper cover 1, a lower cover 2, a PCBA panel 3, a PCBA power panel 4, a display 5, an inner bushing 6, a hollow encoder 7, an outer bushing 8 and a knob 9;

the upper cover body 1 and the lower cover body 2 are fixedly connected, and the PCBA panel 3 and the PCBA power panel 4 are both positioned in the lower cover body 2; the inner bushing 6 and the hollow encoder 7 are positioned in the upper cover body 1, and the knob 9 and the display screen 5 expose the upper cover body 1;

the display screen 5 is fixed at the outer end of the inner bushing 6, and the display screen 5 is electrically connected with the PCBA panel 3; the inner bushing 6 is provided with a key contact 10, the PCBA panel 3 is provided with a key position 11, the inner end of the inner bushing 6 is clamped with the PCBA panel 3, and the key contact 10 corresponds to the key position 11; the PCBA power panel 4 is electrically connected with the PCBA panel 3;

the outer ring of the hollow encoder 7 is clamped with the outer bushing 8, and the inner ring of the hollow encoder 7 is clamped with the inner bushing 6; the knob 9 is connected to the outer periphery of the outer liner 8.

In this embodiment, the hollow encoder 7 belongs to standard components, and is divided into an inner ring and an outer ring, the outer ring is buckled with the outer bushing 8, the inner bushing 6 is buckled with the PCBA panel 3, and the inner ring of the hollow encoder 7 is fixed (unable to rotate), so the display screen 5 connected with the inner bushing 6 is also fixed and unable to rotate; the outer ring of the hollow encoder 7 can rotate, the manual rotation knob 9 drives the outer ring of the hollow encoder 7 to rotate, and the circuit is subjected to signal switching, namely the switching of the functional knob 9 of the display screen 5 is completed.

The display screen 5 is pressed, the display screen 5 drives the inner bushing 6 to move in the hollow encoder 7 in a stroke manner, the key position 11 is driven to press downwards, and the circuit is subjected to signal switching, so that the confirmation of the current function of the display screen 5 (a certain function selected by pressing confirmation) is completed.

In this embodiment, the center of the upper cover 1 is formed with a through hole 12, the edge of the through hole 12 is formed with a flange 13, and the edge of the knob 9 is located outside the flange 13. The through hole 12 can accommodate the inner bushing 6, the hollow encoder 7 and the outer bushing 8 inside, so that the inner bushing 6, the hollow encoder 7 and the outer bushing 8 extend out of the through hole 12, the outer ring of the hollow encoder 7 is conveniently assembled by the knob 9, the knob 9 corresponds to the flange 13, and the whole structure is more compact.

In the embodiment, the upper cover body 1 and the lower cover body 2 are fixedly connected through screws; the knob 9 and the outer lining 8 are bonded by glue. The upper cover body 1 and the lower cover body 2 protect the PCBA panel 3 and the PCBA power panel 4 inside, and play a main body supporting role. The knob 9 and the outer bushing 8 are fixed through glue, and the knob 9 can be rotated through the outer bushing 8 to drive the outer ring of the hollow encoder 7 to rotate.

Wherein, the edge of the outer bushing 8 is provided with a round table 23, and the position of the knob 9 corresponding to the round table 23 is provided with a matching groove 24. The round table 23 and the matching groove 24 are glued to realize the effect that the knob 9 drives the outer bushing 8.

Auxiliary fig. 3, in this embodiment, the inner liner 6 is provided with a first fastening location 14; the PCBA panel 3 is provided with a first buckling part 15, and the first buckling position 14 is connected with the first buckling part 15; the inner bushing 6 is provided with a positioning column 16, the PCBA panel 3 is provided with a positioning hole 17 corresponding to the positioning column 16, and the periphery of the positioning column 16 is sleeved with a reset spring 18.

Specifically, the inner bush 6 and the PCBA panel 3 are assembled together by the first fastening portion 15 and the first fastening portion 14. And adopt reference column 16 and locating hole 17 cooperation between inner liner 6, the PCBA panel 3, when pressing display screen 5, display screen 5 can drive inner liner 6 at the travel motion of hollow encoder 7, drives button position 11 and presses down, and the circuit is signal switching, has just also accomplished the confirmation to display screen 5 current function. The return spring 18 has a pressing return effect, and further, function selection and function confirmation are completed through the transformation of a pure mechanical structure and an electric signal.

In the embodiment, the outer bushing 8 is provided with a limiting boss 19 and a second buckling part 20, the outer ring of the hollow encoder 7 is provided with a limiting groove 21 and a second buckling part 22, and the limiting boss 19 is inserted into the limiting groove 21; the second fastening portion 22 is connected to the second fastening portion 20. The outer bushing 8 and the outer ring of the hollow encoder 7 are matched through the limiting boss 19 and the limiting groove 21, and meanwhile, the second buckling part 20 of the outer bushing 8 is assembled with the second buckling part 22 of the hollow encoder 7, so that the reliability of the outer bushing 8 and the outer ring of the hollow encoder 7 is ensured.

In the embodiment, the PCBA panel 3 and the PCBA power panel 4 are connected by adopting a PCB connector; the display 5 is connected with the wiring terminals on the PCBA panel 3 through a flat cable. The PCBA power panel 4 supplies power to the PCBA panel 3 through the PCB connector, and the PCBA panel 3 supplies power and controls the display 5 through the flat cable.

In the embodiment, the mounting member 25 is further included, and the mounting member 25 is fitted to the outside of the lower cover 2. The entire knob panel is conveniently mounted on the carrier by means of the mounting member 25.

In summary, the utility model is provided with an upper cover 1, a lower cover 2, a PCBA panel 3, a PCBA power panel 4, a display 5, an inner bushing 6, a hollow encoder 7, an outer bushing 8 and a knob 9; the upper cover body 1 is fixedly connected with the lower cover body 2, and the PCBA panel 3 and the PCBA power supply board 4 are both positioned in the lower cover body 2; the inner bushing 6 and the hollow encoder 7 are positioned in the upper cover body 1, and the knob 9 and the display screen 5 expose the upper cover body 1; the display screen 5 is fixed at the outer end of the inner bushing 6, and the display screen 5 is electrically connected with the PCBA panel 3; the inner bushing 6 is provided with a key contact 10, the PCBA panel 3 is provided with a key position 11, the inner end of the inner bushing 6 is clamped with the PCBA panel 3, and the key contact 10 corresponds to the key position 11; the PCBA power panel 4 is electrically connected with the PCBA panel 3; the outer ring of the hollow encoder 7 is clamped with the outer bushing 8, and the inner ring of the hollow encoder 7 is clamped with the inner bushing 6; the knob 9 is connected to the outer periphery of the outer liner 8. The hollow encoder 7 belongs to standard components and parts, and is divided into an inner ring and an outer ring, the outer ring is buckled and connected with the outer bushing 8, the inner bushing 6 is buckled and connected with the PCBA panel 3, and the inner ring of the hollow encoder 7 is fixed (can not rotate), so that the display screen 5 connected with the inner bushing 6 is also fixed and can not rotate; the outer ring of the hollow encoder 7 can rotate, the manual rotation knob 9 drives the outer ring of the hollow encoder 7 to rotate, and the circuit is subjected to signal switching, namely the switching of the functional knob 9 of the display screen 5 is completed. The inner bush 6 and the PCBA panel 3 are assembled into a whole through the first buckling part 14 and the first buckling part 15. And adopt reference column 16 and locating hole 17 cooperation between inner liner 6, the PCBA panel 3, when pressing display screen 5, display screen 5 can drive inner liner 6 at the travel motion of hollow encoder 7, drives button position 11 and presses down, and the circuit is signal switching, has just also accomplished the confirmation to display screen 5 current function. The return spring 18 has a pressing return effect, and further, function selection and function confirmation are completed through the transformation of a pure mechanical structure and an electric signal. The utility model can realize rotation and function switching, has compact and reasonable structural design, strong stability and long service life.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The knob panel is characterized by comprising an upper cover body (1), a lower cover body (2), a PCBA panel (3), a PCBA power panel (4), a display screen (5), an inner bushing (6), a hollow encoder (7), an outer bushing (8) and a knob (9);

the upper cover body (1) is fixedly connected with the lower cover body (2), and the PCBA panel (3) and the PCBA power panel (4) are both positioned in the lower cover body (2); the inner bushing (6) and the hollow encoder (7) are positioned in the upper cover body (1), and the knob (9) and the display screen (5) are exposed out of the upper cover body (1);

the display screen (5) is fixed at the outer end of the inner bushing (6), and the display screen (5) is electrically connected with the PCBA panel (3); the inner bushing (6) is provided with a key contact (10), the PCBA panel (3) is provided with a key position (11), the inner end of the inner bushing (6) is clamped with the PCBA panel (3), and the key contact (10) corresponds to the key position (11); the PCBA power panel (4) is electrically connected with the PCBA panel (3);

the outer ring of the hollow encoder (7) is clamped with the outer bushing (8), and the inner ring of the hollow encoder (7) is clamped with the inner bushing (6); the knob (9) is connected to the periphery of the outer bushing (8).

2. A knob panel according to claim 1, characterized in that the centre of the upper cover (1) forms a through opening (12), the edge of the through opening (12) forms a flange (13), the edge of the knob (9) is outside the flange (13).

3. The knob panel according to claim 2, wherein the upper cover (1) and the lower cover (2) are fixedly connected by screws; the knob (9) and the outer lining (8) are bonded by glue.

4. A knob panel according to claim 1, wherein the inner bushing (6) is provided with a first snap-in position (14); the PCBA panel (3) is provided with a first buckling part (15), and the first buckling position (14) is connected with the first buckling part (15).

5. The knob panel according to claim 4, wherein the inner bushing (6) is provided with a positioning column (16), the PCBA panel (3) is provided with a positioning hole (17) corresponding to the positioning column (16), and the periphery of the positioning column (16) is sleeved with a return spring (18).

6. The knob panel according to claim 1, wherein the outer bushing (8) is provided with a limit boss (19) and a second fastening position (20), the outer ring of the hollow encoder (7) is provided with a limit groove (21) and a second fastening part (22), and the limit boss (19) is inserted into the limit groove (21); the second buckling position (20) is connected with the second buckling part (22).

7. A knob panel according to claim 1, characterized in that the edge of the outer bushing (8) is formed with a circular table (23), and the knob (9) is provided with a mating groove (24) at a position corresponding to the circular table (23).

8. The knob panel according to claim 1, wherein the PCBA panel (3) and the PCBA power panel (4) are connected by a PCB connector; the display screen (5) is connected with the wiring terminal on the PCBA panel (3) through a flat cable.

9. A knob panel according to claim 1, further comprising a mounting member (25), said mounting member (25) being fitted to the outside of said lower cover (2).