CN220272360U - Rotary pressing device and intelligent household equipment - Google Patents

Abstract

The utility model discloses a rotary pressing device and intelligent household equipment, comprising a key cap, a circuit board, a fixing piece, a hollow rotary encoder, a light guide ring, a movable seat and a fixing plate, wherein the key cap is arranged on the circuit board; the hollow rotary encoder comprises an outer ring and an inner ring which can rotate mutually and are provided with conductive contact pieces; the inner ring is penetrated with a fixing piece in an axially movable way, one end of the fixing piece is fixedly connected with the fixing plate, and an anti-falling limiting mechanism is arranged between the other end of the fixing piece and the inner ring; the circuit board is electrically connected with the conductive contact piece, so that the circuit board is fixed at one end of the outer ring far away from the movable seat; the circuit board is fixedly provided with a key switch, and the fixing piece is provided with an abutting part for triggering the key switch; the key cap, the light guide ring, the movable seat and the outer ring are fixedly sleeved in sequence from outside to inside, and the circuit board is positioned in the key cap. Through providing a collect knob and press rotatory press device and intelligent house equipment as an organic whole, simple structure, assembly are simple, the appearance is pleasing to the eye and space utilization is high, effectively saves economic cost, can be applied to multiple scene.

Description

Rotary pressing device and intelligent household equipment

Technical Field

The utility model relates to the field of intelligent home, in particular to a rotary pressing device and intelligent home equipment.

Background

Along with the rapid development of smart home, screen products are widely applied to the smart home industry, users tend to prefer products with more complete functional products when selecting the screen products, and the mechanical control mode of the traditional smart home products is operated by matching a plurality of knobs and keys on a panel, so that different functions are realized, the structural devices are distributed sporadically, the operation is relatively inconvenient, and therefore, the user experience effect is also poor.

The patent document with the publication number of CN111192782A discloses a product integrating a knob, a pressing key and a display screen, more devices, higher cost and complex assembly, and in actual operation, because a screen module cannot rotate, a key cap needs to rotate, if the distance between the screen and the appearance is smaller, the jam is easy to be caused, and if the distance between the appearance is larger, the appearance is not attractive. Such products are suitable for products with display screen functions on the knob, and for products which already have large screens per se, the above-mentioned solutions are very disadvantageous from the point of view of cost, assembly, appearance and application range.

Disclosure of Invention

The utility model aims to overcome the defects of more devices, difficult assembly, high cost, unattractive appearance and small application range in the prior art, and provides a rotary pressing device and intelligent household equipment.

The utility model solves the technical problems by the following technical scheme:

in a first aspect, the present utility model provides a rotary pressing device, including a key cap, a circuit board, a fixing member, a hollow rotary encoder, a diaphragm, a movable seat, and a fixing plate;

the hollow rotary encoder comprises an outer ring and an inner ring which can rotate mutually and are provided with conductive contact pieces; the inner ring is penetrated with the fixing piece in an axially movable way, one end of the fixing piece is fixedly connected with the fixing plate, and an anti-falling limiting mechanism is arranged between the other end of the fixing piece and the inner ring;

the circuit board is electrically connected to the conductive contact piece, so that the circuit board is fixed at one end of the outer ring far away from the movable seat; the circuit board is fixedly provided with a key switch, and the fixing piece is provided with an abutting part for triggering the key switch;

the key cap, the light guide ring, the movable seat and the outer ring are fixedly sleeved in sequence from outside to inside, and the circuit board is positioned in the key cap.

Optionally, the fixing piece, the movable seat and the fixing plate are all provided with hollow structures, and the hollow structures are used for laying electric connection wires for establishing electric connection relation between the circuit board and external equipment.

Optionally, the outer wall of the fixing piece is provided with at least one first limiting part for preventing the fixing piece and the inner ring from rotating mutually; the inner wall of the fixing piece is provided with at least a second limiting part for preventing the fixing piece and the key switch from being separated from each other.

Optionally, the outer wall of the fixing piece is provided with a plurality of first limit convex strips serving as the first limit parts; the inner wall of the fixing piece is provided with a plurality of second limiting convex strips serving as the second limiting parts.

Optionally, the diaphragm is provided with at least one connecting part, and the key cap is detachably and fixedly connected to the diaphragm through the connecting part.

Optionally, the circuit board is fixedly provided with at least one light emitting device, the light guide ring is provided with a light guide channel, one end of the light guide channel is led to the light emitting surface of the light emitting device, and the other end of the light guide channel is led to the outside of the rotary pressing device.

Optionally, the cross section of the light guide channel is in a Z-shaped structure.

Optionally, a groove structure is arranged at one end of the fixed plate, which is close to the movable seat, and the groove structure is matched with the movable seat.

Optionally, the fixing member is detachably and fixedly connected to the fixing plate.

In a second aspect, the present utility model provides an intelligent home device, applied to the rotary pressing apparatus according to any one of the first aspects.

The utility model has the positive progress effects that: the rotary pressing device integrating knob and pressing and the intelligent household equipment are simple in structure, simple to assemble, attractive in appearance and high in space utilization rate, meanwhile, economic cost is effectively saved, and the rotary pressing device can be applied to various scenes.

Drawings

Fig. 1 is a top view of a rotary pressing device according to embodiment 1 of the present utility model.

Fig. 2 is an inverted top view of a rotary pressing device according to embodiment 1 of the present utility model.

Fig. 3 is a schematic cross-sectional view of a rotary pressing device according to embodiment 1 of the present utility model.

Fig. 4 is a schematic exploded view of a rotary pressing device according to embodiment 1 of the present utility model.

Fig. 5 is a schematic structural diagram of a circuit board and a key switch according to embodiment 1 of the present utility model.

Fig. 6 is a schematic structural diagram of a fixing member according to embodiment 1 of the present utility model.

Fig. 7 is a schematic structural diagram of a hollow rotary encoder according to embodiment 1 of the present utility model.

Fig. 8 is a schematic diagram illustrating disassembly of a key cap and a light guide ring according to embodiment 1 of the present utility model.

Fig. 9 is a schematic structural diagram of an intelligent home device according to embodiment 2 of the present utility model.

Reference numerals: the key cap-1, the first ring groove-101, the circuit board-2, the fixing piece-3, the first limit protruding strip-31, the second limit protruding strip-32, the first hollow part-33, the first screw hole-34, the abutting part-35, the hollow rotary encoder 4, the inner ring-41, the first limit groove-411, the outer ring-42, the conductive contact piece-421, the first limit clamping groove-422, the second limit clamping groove-423, the light guide ring-5, the first protrusion-501, the second protrusion-502, the second screw hole-503, the first reflecting surface-51, the second reflecting surface-52, the movable seat-6, the first limit clamping buckle-601, the second limit clamping buckle-602, the second hollow part-603, the third screw hole-604, the fixing plate-7, the third hollow part-71, the fourth screw hole-72, the key switch-8, the pressing part-81, the light emitting device-9, the local control a of the indoor middle screen and the rotary pressing device-b.

Detailed Description

The utility model is further illustrated by means of the following examples, which are not intended to limit the utility model to the examples described.

Example 1

The present embodiment provides a rotary pressing device, which includes a key cap 1, a circuit board 2, a fixing member 3, a hollow rotary encoder 4, a diaphragm 5, a movable seat 6, and a fixing plate 7, as shown with reference to fig. 1 to 8. The hollow rotary encoder 4 includes an inner ring 41 and an outer ring 42 with conductive contacts 421 which are rotatable with each other; the inner ring 41 is provided with a fixing member 3 movably in the axial direction. One end of the fixed part 3, which is close to the movable seat 6, is fixedly connected to the fixed plate 7, and an anti-falling limiting mechanism is arranged between the other end of the fixed part 3 and the inner ring 41; the outer ring 42 and the diaphragm 5 are fixedly connected to the movable seat 6, and the diaphragm 5 is sleeved outside the outer ring 42. The circuit board 2 is electrically connected to the conductive contact 421 on the outer ring 42 so as to be fixed to each other with the outer ring 42; the circuit board is fixedly provided with a key switch 8, and the fixing piece 3 is provided with an abutting part 35 for triggering the key switch 8; the circuit board 2 is located at one end of the fixed member 3 away from the movable seat 6. The key cap 1, the light guide ring 5, the movable seat 6 and the outer ring 42 are fixedly sleeved in sequence from outside to inside, and the circuit board 2 is positioned inside the key cap 1.

In practical implementation, when the key cap 1 of the device is rotated, the outer ring 42, the diaphragm 5 and the movable seat 6 of the hollow rotary encoder 4 all rotate along with the rotation of the key cap 1, and the inner ring 41, the circuit board 2 and the fixing member 3 of the hollow rotary encoder 4 are fixed. The hollow rotary encoder 3 used in this embodiment is a sensor for motion control, which can convert mechanical quantities such as angular displacement and angular velocity of an output shaft into corresponding electrical signals through photoelectric conversion, and then output the corresponding electrical signals, and the electrical signals are used as feedback for motion control and transmitted to various motion control devices, and is an existing component for measuring rotation speed and realizing rapid speed adjustment by matching with PWM technology, and the specific structure is not described herein.

In an alternative embodiment, as shown in fig. 4, the fixing member 3, the movable seat 6 and the fixing plate 7 are each provided with a hollow structure for laying electrical connection wires of the circuit board 2 in electrical connection relation with external devices. The fixing piece 3 is provided with a first hollow part 33 with a hollow structure, the diaphragm 5 is of an annular hollow structure, the movable seat 6 is provided with a second hollow part 603 with a hollow structure, and the fixing plate 7 is provided with a third hollow part 71 with a hollow structure.

As shown in fig. 4 and fig. 5, the electrical connection line on the circuit board 2 adopts the flexible board 21, and the flexible board 21 sequentially passes through the first hollow portion 33, the inner ring 41, the diaphragm 5, the second hollow portion 603, and finally passes through the third hollow portion 71, so as to establish an electrical connection relationship between the circuit board 2 and external equipment. Specifically, when the key cap 1 is rotated, the flexible board 21 is arranged in the hollow structure, so that the flexible board 21 does not rotate by the key cap 1 to do relative motion, and the flexible board 21 is prevented from winding in the rotating process to cause functional failure of products.

As shown in fig. 3 and 5, the key switch 8 is fixed on the circuit board 2 in a flip-chip manner, the bottom of the key switch 8 is fixed at one end of the circuit board 2 near the fixing member 3 in a patch manner, and the pressing portion 81 of the key switch 8 faces one end of the fixing member 3 far away from the movable seat 6, and the fixing member 3 is provided with an abutting portion 35 for triggering the key switch 8. In a specific implementation, by applying an acting force to the top of the keycap 1, the whole module moves downward, so that the pressing portion 81 of the key switch 8 and the abutting portion 35 of the fixing member 3 are pressed, and the key function of the device is triggered.

In an alternative embodiment, the outer wall of the fixing element 3 is provided with at least one first limiting portion, and the first limiting portion is used for preventing the fixing element 3 and the inner ring 41 from rotating relative to each other; the inner wall of mounting 3 is equipped with at least second spacing portion, and second spacing portion is used for hindering mounting 3 and key switch 8 mutually to separate.

In an alternative embodiment, as shown in fig. 6, the outer wall of the fixing member 3 is provided with a plurality of first limiting ribs 31 serving as first limiting portions; the inner wall of the fixing member 3 is provided with a plurality of second limit convex strips 32 serving as second limit portions.

In a preferred embodiment, as shown in fig. 6 and 7, the first limiting ribs 31 are distributed on the outer wall of the fixing member 3 at annular intervals, and the second limiting ribs 32 are distributed on the inner wall of the fixing member 3 at annular intervals; the inner ring 41 of the hollow rotary encoder 4 is provided with a plurality of first limiting grooves 411 corresponding to the first limiting convex strips 31, and the first limiting grooves are used for being fastened and fixed with the outer wall of the fixing piece 3. One end of the fixing piece 3, which is close to the movable seat 6, is fixedly connected to the fixing plate 7 through a screw. Through the arrangement of the structure, the effect that the fixing piece 3 is not moved when the keycap 1 rotates is achieved.

In an alternative embodiment, the aperture 5 is provided with at least one connection by means of which the key cap 1 is detachably fixedly connected to the aperture 5.

As shown in fig. 8, the connection portion of the diaphragm includes, but is not limited to, a plurality of first protrusions 501 and second protrusions 502 integrally formed on the outer wall of the diaphragm 5, and at least one first ring groove 101 is formed on the inner wall of the key cap 1. After assembly, the plurality of first protrusions 501 are embedded in the annular groove 101, so that the key cap 1 and the diaphragm 5 are not separated up and down; the second protrusions 502 are abutted against the inner side wall of the keycap 1, and the aperture guide 5 can rotate along with the keycap 1 by means of friction resistance between the second protrusions 502 and the keycap 1.

The bottom of the diaphragm 5 is detachably and fixedly connected to the movable seat 6, as shown in fig. 4, a plurality of second screw holes 503 are formed in the bottom of the diaphragm 5 and used for penetrating screws to be fixedly connected to the movable seat 6, so that the movable seat 6 can rotate along with the diaphragm 5 when the diaphragm 5 rotates along with the key cap 1.

In an alternative embodiment, as shown in fig. 1, the circuit board 2 is fixedly provided with at least one light emitting device 9, and the light guide ring 5 is provided with a light guide channel, one end of which is led to the light emitting surface of the light emitting device 9, and the other end of which is led to the outside of the rotary pressing device. The light device 9 may be a monochromatic light device or a polychromatic light device, and the light device 9 is fixed to the circuit board 2 such that the light device 9 is fixed when the key cap 1 is rotated.

In an alternative embodiment, the cross section of the light guide channel is in a Z-shaped configuration.

In a preferred embodiment, as shown in fig. 1, the light guide ring 5 is made of a light-guiding material, and the upper end of the light guide channel leads to the light emitting surface of the light emitting device 9, and a first reflecting surface 51 is provided thereon; the lower end of the light guide channel is led to the outside of the rotary pressing device, a second reflecting surface 52 is arranged on the light guide channel, and the first reflecting surface 51 and the second reflecting surface 51 face each other. The two folding angles in the Z-shaped structure are 90 degrees, so that the first reflecting surface 51 totally reflects the light emitted by the light emitting device 9, and the second reflecting surface 52 can totally reflect the light reflected by the first reflecting surface 51 for the second time to emit light, thereby achieving the effect of uniform effect of the whole circle of lamps of the device.

The combination of the light guide ring 5 and the light emitting device 9 used in the present embodiment is not limited to the above, and the combination may be implemented to better protect the structure of the rotary pressing device, or may be implemented to achieve a lighting effect by using a device such as an LED light strip.

In an alternative embodiment, the end of the fixed plate 7 close to the movable seat 6 is provided with a groove structure adapted to the movable seat 6 for movably connecting the movable seat 6 with the fixed plate 7.

As shown in fig. 4 and 7, the inner side wall of the movable seat 6 is provided with a plurality of first limit buckles 601 and second limit buckles 602, and the outer wall of the outer ring 42 of the hollow rotary encoder 4 is provided with a plurality of first limit clamping grooves 422 and second limit clamping grooves 423. After assembly, the first limiting buckle 601 is embedded in the first limiting clamping groove 422, so that the movable seat 6 can rotate along with the rotation of the outer ring 42; the second limiting buckle 602 is embedded in the second limiting slot 423, and is used for preventing the movable seat 6 and the outer ring 42 from being separated from each other.

In an alternative embodiment, the fixing member 3 is fixedly connected to the fixing plate 7. Preferably, as shown in fig. 4, the fixing member 3 is provided with a plurality of first screw holes 34, the fixing plate 7 is provided with a plurality of fourth screw holes 72, and a plurality of screws sequentially pass through the fourth screw holes 72 and the first screw holes 34, so that the fixing member 3 is detachably and fixedly connected to the fixing plate 7. This embodiment is through providing a rotatory press device as an organic whole with pressing by collecting the knob, can only set up single rotatory function, single press the function and collect rotatory integrative function of pressing when the assembly, its inner structure is simple and easy, assembly mode is simple, the appearance is pleasing to the eye and space utilization is high, effectively saves economic cost simultaneously, can be applied to multiple scene.

Example 2

On the basis of embodiment 1, this embodiment provides an intelligent home equipment, including the rotatory press device of embodiment 1.

In an alternative embodiment, the smart home device of this embodiment may be an indoor central control panel of a smart home, as shown in fig. 9, where the local a of the indoor central control panel and the rotary pressing device b provided in embodiment 1 are disposed, and by rotating or pressing the rotary pressing device b, function control of the indoor central control panel is triggered.

In this embodiment, provide an intelligent household equipment, through providing one kind be applied to this intelligent household equipment on collect knob and press rotatory press device as an organic whole, can only set up single rotatory function, single press the function and collect rotatory function of pressing an organic whole when the assembly, its inner structure is simple and easy, assembly mode is simple, the appearance is pleasing to the eye and space utilization is high, effectively saves economic cost simultaneously, can be applied to multiple scene.

The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.

Claims (10)

1. The rotary pressing device is characterized by comprising a key cap, a circuit board, a fixing piece, a hollow rotary encoder, a light guide ring, a movable seat and a fixing plate;

the hollow rotary encoder comprises an outer ring and an inner ring which can rotate mutually and are provided with conductive contact pieces; the inner ring is penetrated with the fixing piece in an axially movable way, one end of the fixing piece is fixedly connected with the fixing plate, and an anti-falling limiting mechanism is arranged between the other end of the fixing piece and the inner ring;

the circuit board is electrically connected to the conductive contact piece, so that the circuit board is fixed at one end of the outer ring far away from the movable seat; the circuit board is fixedly provided with a key switch, and the fixing piece is provided with an abutting part for triggering the key switch;

the key cap, the light guide ring, the movable seat and the outer ring are fixedly sleeved in sequence from outside to inside, and the circuit board is positioned in the key cap.

2. The rotary pressing device according to claim 1, wherein the fixing member, the movable seat and the fixing plate are each provided with a hollow structure for laying an electrical connection wire for establishing an electrical connection relationship between the circuit board and the external device.

3. The rotary pressing device according to claim 1, wherein the outer wall of the fixing member is provided with at least one first limiting portion for preventing the fixing member and the inner ring from rotating relative to each other; the inner wall of the fixing piece is provided with at least a second limiting part for preventing the fixing piece and the key switch from being separated from each other.

4. The rotary pressing device according to claim 3, wherein the outer wall of the fixing member is provided with a plurality of first limit ribs serving as the first limit portions; the inner wall of the fixing piece is provided with a plurality of second limiting convex strips serving as the second limiting parts.

5. The rotary pressing device according to claim 1, wherein the diaphragm is provided with at least one connecting portion, and the key cap is detachably and fixedly connected to the diaphragm through the connecting portion.

6. The rotary pressing device according to claim 1, wherein the circuit board is fixedly provided with at least one light emitting device, the light guide ring is provided with a light guide channel, one end of the light guide channel is led to a light emitting surface of the light emitting device, and the other end is led to the outside of the rotary pressing device.

7. The rotary pressing device of claim 6, wherein the light guide channel has a Z-shaped cross-section.

8. The rotary pressing device according to claim 1, wherein the end of the fixed plate adjacent to the movable seat is provided with a groove structure, and the groove structure is matched with the movable seat.

9. The rotary compression device of claim 8, wherein the securing member is removably fixedly coupled to the securing plate.

10. A smart home device, characterized in that it comprises a rotary pressing device according to any one of claims 1-9.