CN220020953U - Knob control structure with display and key functions - Google Patents
Knob control structure with display and key functions Download PDFInfo
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- CN220020953U CN220020953U CN202321583515.XU CN202321583515U CN220020953U CN 220020953 U CN220020953 U CN 220020953U CN 202321583515 U CN202321583515 U CN 202321583515U CN 220020953 U CN220020953 U CN 220020953U
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- knob
- control structure
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- key
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- 238000003780 insertion Methods 0.000 description 2
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- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a knob control structure with display and key functions, relates to household appliances, and aims to solve the problems that accessories of the knob control structure with display and key functions are not popular and the cost is high, and the technical scheme is as follows: the knob control structure with the functions of display and keys comprises a PCB (printed circuit board), keys, a knob outer ring, a transparent disc and a panel, wherein the PCB is provided with a digital display screen and a rotary encoder, the digital display screen is cylindrical and is provided with a notch, the digital display screen is rotatably sleeved with an outer gear ring, and the rotary encoder is provided with a spur gear; the transparent disc is connected with the inner ring of the knob outer ring in a telescopic way, is connected with the knob outer ring in a telescopic way and is matched with the key in a butt joint way. The knob control structure with the functions of display and key-press achieves the purposes that the display size of a digital display screen is not limited by the size of a hollow encoder, and the cost is reduced because a common rotary encoder is selected.
Description
Technical Field
The present utility model relates to a household appliance, and more particularly, to a knob control structure having display and key functions.
Background
The conventional control modes of the household appliances generally comprise three modes of keys, a touch screen and a knob, wherein the knob is not provided with a display function or a key function at the same time.
As shown in fig. 7, the steamer with a knob control structure with display and key functions is commercially available, and comprises a hollow encoder 91 with a PCB board 1 mounted on the PCB board 1, a key 2 and a nixie tube 92 positioned in the hollow encoder 91, and a knob outer ring 3 connected to the hollow encoder 91, wherein a transparent disc 4 is arranged in the knob outer ring 3, and the transparent disc 4 is matched with the key 2.
According to the technical scheme, the size of the display pattern is limited by the size of the hollow encoder, a large pattern is displayed without a matched encoder or a new encoder needs to be customized and developed, and the cost of the whole machine is increased by using the hollow encoder; in summary, the knob control structure with display and key functions in the prior art has the problems that accessories are not popular and the cost is high; there is therefore a need to propose a new solution to this problem.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a knob control structure with display and key functions, so that the display size of a digital display screen is not limited by the size of a hollow encoder, and the cost is reduced due to the selection of a common rotary encoder.
The technical aim of the utility model is realized by the following technical scheme: the knob control structure with the functions of display and keys comprises a PCB (printed circuit board), keys, a knob outer ring, a transparent disc and a panel, wherein a digital display screen and a rotary encoder are arranged on the PCB, the digital display screen is cylindrical and is provided with a notch, the keys are positioned in the notch, the digital display screen is rotationally sleeved with the outer ring, and a central shaft of the rotary encoder is connected with a spur gear meshed with the outer ring; the transparent disc is connected with the inner ring of the outer ring of the knob in a telescopic manner, and is connected with the outer ring of the knob in a telescopic manner and matched with the key in an abutting manner.
By adopting the technical scheme, the digital display screen and the keys are optimally arranged, namely, the installation positions of the keys are limited in the notch, so that the keys are prevented from interfering with the rotation of the outer gear ring, the digital display screen and the rotary encoder are arranged in a parallel mode, the torque transmission between the outer ring of the knob and the rotary encoder is realized through the transmission between the spur gear and the outer gear ring, the technical effect of replacing the hollow encoder with the rotary encoder is further realized, the display size of the digital display screen is not limited by the size of the hollow encoder, and the cost is reduced due to the selection of the common rotary encoder.
The utility model is further provided with: the PCB is positioned in a space formed by the mounting cover and the panel.
The utility model is further provided with: the number of the keys is two, and the keys are symmetrically arranged by taking the central axis of the digital display screen as the center.
The utility model is further provided with: the digital display screen is provided with a ring edge, and the ring edge is attached to the inner end face of the outer gear ring.
The utility model is further provided with: the outer end face of the outer gear ring is provided with a plurality of arc plates, a connecting clamping opening is formed between every two adjacent arc plates, the knob outer ring is provided with a panel, the panel is inserted into the connecting clamping opening, and the connecting clamping opening and the panel are isosceles trapezoids in a front view state.
The utility model is further provided with: the panel is provided with the through-hole, the panel surface is provided with the neck cover along the through-hole, the knob outer lane rotates and cup joints in the neck cover to be provided with the outer end butt of inner ring and neck cover, the panel sets up in the inner ring, the panel bottom is provided with the trip, the trip is hooked with the inner of neck cover and is held and be connected.
The utility model is further provided with: the digital display screen is provided with a hooking groove, and the transparent disc is provided with a hooking plate which is hooked and matched with the hooking groove.
The utility model is further provided with: the transparent disc is provided with an extension column which is aligned with the key.
In summary, the utility model has the following beneficial effects: the technical effect that the rotary encoder can replace the hollow encoder is realized, the display size of the digital display screen is not limited by the size of the hollow encoder, and the cost is reduced because the common rotary encoder is selected; the utility model can be independently and completely assembled and then is arranged on the body of the electric steamer in an integrally embedded manner, thereby effectively improving the convenience of assembly; the outer ring of the knob is synchronously and rotatably connected with the outer gear ring through the insertion connection of the panel and the connecting clamp, and the connecting structure is positioned in an invisible space outside, so that the attractiveness is effectively ensured; the clamping hooks and the inner ring are matched to form two ends for clamping the neck sleeve, so that the axial activity of the outer ring of the knob is eliminated, and the rotation installation stability of the knob is effectively ensured; on the premise that the inward pressing of the transparent disc is not affected, the outward mobility of the transparent disc is eliminated, and the transparent disc is effectively prevented from falling out.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a partial cross-sectional view of the present utility model;
FIG. 4 is a diagram showing the relationship between the outer ring of the knob and the outer ring of the knob according to the present utility model;
FIG. 5 is a diagram showing the coordination relationship among the keys, the transparent disk and the digital display screen;
FIG. 6 is a schematic view of the present utility model assembled to an electric steamer;
fig. 7 is a schematic diagram of a structure of the background art.
Description of the drawings: 1. a PCB board; 2. a key; 3. a knob outer ring; 4. a transparent disk; 5. a panel; 6. a digital display screen; 7. a rotary encoder; 8. a notch; 9. an outer ring gear; 10. spur gears; 11. a mounting cover; 12. a rim; 13. an arc-shaped plate; 14. a connecting clamping port; 15. a panel; 16. a through hole; 17. a neck sleeve; 18. an inner collar; 19. a hook; 20. a hooking groove; 21. a hook plate; 22. an extension column; 91. a hollow encoder; 92. a nixie tube.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The knob control structure with the functions of display and keys comprises a PCB (printed circuit board) 1, keys 2, a knob outer ring 3, a transparent disc 4 and a panel 5, wherein the PCB 1 is provided with a digital display screen 6 and a rotary encoder 7, the outer shell of the digital display screen 6 is cylindrical and is provided with a notch 8, the keys 2 are positioned in the notch 8, the digital display screen 6 is rotatably sleeved with an outer gear ring 9, and a central shaft of the rotary encoder 7 is connected with a spur gear 10 meshed with the outer gear ring 9; the knob outer ring 3 is connected with the outer gear ring 9, and the transparent disc 4 is telescopically connected in the knob outer ring 3 and is in butt fit with the key 2.
The utility model optimizes the layout of the digital display screen 6 and the keys 2, namely, the installation positions of the keys 2 are limited in the notch 8, thereby avoiding the keys 2 from interfering the rotation of the external teeth 9, adopting a parallel mode to layout the digital display screen 6 and the rotary encoder 7, realizing the torque transmission between the knob outer ring 3 and the rotary encoder 7 through the transmission of the spur gear 10 and the external teeth 9, further realizing the technical effect that the rotary encoder 7 can replace the hollow encoder 91, achieving the technical effect that the display size of the digital display screen 6 is not limited by the size of the hollow encoder 91, and reducing the cost due to the selection of the common rotary encoder 7.
In this embodiment, the utility model is applied to an electric steamer, and as shown in fig. 2 and 6, a knob control structure with display and key functions further comprises a mounting cover 11, wherein the mounting cover 11 is combined with the panel 5 and is fixed by bolts, and the PCB board 1 is positioned in a space formed by the mounting cover 11 and the panel 5, so that the utility model can be independently and completely assembled and then mounted on a machine body of the electric steamer in an integrally embedded manner, thereby effectively improving the convenience of assembly.
In order to improve the stability of the transparent disc 4, as shown in fig. 2 and 5, the specific number of the keys 2 is two, and the keys are symmetrically arranged by taking the central axis of the digital display screen 6 as the center, so that the reaction force of the keys 2 borne by the transparent disc 4 is more balanced, and the stability is prevented from being influenced by overturning.
In order to position the relative position of the outer gear ring 9 and ensure that the outer gear ring 9 is meshed with the spur gear 10, as shown in fig. 2 and 3, the outer shell of the digital display screen 6 is integrally formed with a ring edge 12, the ring edge 12 is attached to the inner end surface of the outer gear ring 9, the relative position of the outer gear ring 9 is limited by the ring edge 12, the structure is simple, and the friction resistance of the outer gear ring 9 is prevented from increasing more.
The knob outer ring 3 is synchronously and rotatably connected with the outer gear ring 9 in a manner that, as shown in fig. 3 and 4, a plurality of arc plates 13 are integrally formed on the outer end surface of the outer gear ring 9, a connecting clamping opening 14 is formed between the adjacent arc plates 13, a panel 15 is integrally formed on the knob outer ring 3, and the panel 15 is inserted into the connecting clamping opening 14; therefore, the knob outer ring 3 is synchronously and rotatably connected with the outer gear ring 9 through the insertion connection of the panel 15 and the connecting clamp opening 14, and the connecting structure is positioned in an invisible space outside, so that the attractiveness is effectively ensured.
As shown in fig. 3 and 4, the connecting clip 14 and the panel 15 each have an isosceles trapezoid shape in front view, so that the panel 15 applies an inward thrust to the outer ring gear 9 on the premise of synchronously rotationally connecting the knob outer ring 3 and the outer ring gear 9, and the restriction of the rim 12 further restricts the relative position of the outer ring gear 9, thereby ensuring that the outer ring gear 9 is always engaged with the spur gear 10.
According to the utility model, the knob outer ring 3 is rotatably installed in the following manner, as shown in fig. 2 and 3, a through hole 16 is integrally formed in the panel 5, a neck sleeve 17 is integrally formed on the outer surface of the panel 5 along the edge of the through hole 16, and the knob outer ring 3 is rotatably sleeved on the neck sleeve 17; therefore, the panel 5 provides a mounting position for the knob outer ring 3, and compared with a shell which is directly connected with the digital display screen 6 in a rotating way, the hidden trouble of damage of the digital display screen 6 is effectively reduced.
As shown in fig. 2 and 3, the knob outer ring 3 is integrally formed with an inner ring 18 abutting against the outer end of the neck sleeve 17, the panel 15 is integrally formed with the inner ring 18, the bottom end of the panel 15 is provided with a hook 19, and the hook 19 is hooked and connected with the inner end of the neck sleeve 17; therefore, the clamping hooks 19 and the inner ring 18 are matched to clamp the neck sleeve 17 at two ends, the axial activity of the outer ring 3 of the knob is eliminated, and the rotation installation stability of the knob is effectively ensured.
The transparent disc 4 is telescopically connected in the knob outer ring 3 in the following manner, as shown in fig. 2 and 5, the housing of the digital display screen 6 is integrally formed with a hooking groove 20, the transparent disc 4 is integrally formed with a hooking plate 21 which is hooked and matched with the hooking groove 20, and the hooking plate 21 and the hooking groove 20 are matched, so that the outward mobility of the transparent disc 4 is eliminated on the premise that the inward pressing of the transparent disc 4 is not affected, and the falling-out of the transparent disc 4 is effectively avoided.
As shown in fig. 2 and 3, the transparent disk 4 is in abutting fit with the key 2, and the transparent disk 4 is integrally formed with an extension column 22, and the extension column 22 is aligned with the key 2, so that the distance difference between the key 2 and the transparent disk 4 is adapted through the extension column 22.
The present utility model is not limited by the specific embodiments, and modifications can be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, but are protected by patent laws within the scope of claims of the present utility model.
Claims (8)
1. The utility model provides a knob control structure with show and button function, includes PCB board (1), button (2), knob outer lane (3), transparent disc (4) and panel (5), its characterized in that: the PCB (1) is provided with a digital display screen (6) and a rotary encoder (7), the digital display screen (6) is cylindrical and is provided with a notch (8), the key (2) is positioned in the notch (8), the digital display screen (6) is rotationally sleeved with an outer gear ring (9), and a central shaft of the rotary encoder (7) is connected with a spur gear (10) meshed with the outer gear ring (9); the knob outer ring (3) is connected with the outer gear ring (9), and the transparent disc (4) is telescopically connected in the knob outer ring (3) and is in butt fit with the key (2).
2. The knob control structure with display and key functions according to claim 1, wherein: the PCB (1) is positioned in a space formed by the mounting cover (11) and the panel (5).
3. The knob control structure with display and key functions according to claim 1, wherein: the number of the keys (2) is two, and the keys are symmetrically arranged by taking the central axis of the digital display screen (6) as the center.
4. The knob control structure with display and key functions according to claim 1, wherein: the digital display screen (6) is provided with a ring edge (12), and the ring edge (12) is attached to the inner end surface of the outer gear ring (9).
5. The knob control structure with display and key functions according to claim 4, wherein: the outer end face of the outer gear ring (9) is provided with a plurality of arc plates (13), a connecting clamping opening (14) is formed between every two adjacent arc plates (13), the knob outer ring (3) is provided with a panel (15), the panel (15) is inserted into the connecting clamping opening (14), and the connecting clamping opening (14) and the panel (15) are isosceles trapezoids in a front view state.
6. The knob control structure with display and key functions according to claim 5, wherein: the panel (5) is provided with through-hole (16), panel (5) surface is provided with neck cover (17) along through-hole (16), knob outer lane (3) rotate and cup joint in neck cover (17) to be provided with the outer end butt of inner loop (18) and neck cover (17), panel (15) set up in inner loop (18), panel (15) bottom is provided with trip (19), trip (19) are hooked with the inner of neck cover (17) and are held and be connected.
7. The knob control structure with display and key functions according to claim 1, wherein: the digital display screen (6) is provided with a hooking groove (20), and the transparent disc (4) is provided with a hooking plate (21) which is hooked and matched with the hooking groove (20).
8. The knob control structure with display and key functions according to claim 1, wherein: the transparent disc (4) is provided with an extension column (22), and the extension column (22) is aligned with the key (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321583515.XU CN220020953U (en) | 2023-06-20 | 2023-06-20 | Knob control structure with display and key functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321583515.XU CN220020953U (en) | 2023-06-20 | 2023-06-20 | Knob control structure with display and key functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020953U true CN220020953U (en) | 2023-11-14 |
Family
ID=88683989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321583515.XU Active CN220020953U (en) | 2023-06-20 | 2023-06-20 | Knob control structure with display and key functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020953U (en) |
-
2023
- 2023-06-20 CN CN202321583515.XU patent/CN220020953U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |