CN216118549U

CN216118549U - Knob device with display function and fan

Info

Publication number: CN216118549U
Application number: CN202122186428.8U
Authority: CN
Inventors: 雷飞; 何桂华; 傅海深
Original assignee: Zhongshan Ruirang Electrical Appliance Technology Co ltd
Current assignee: Zhongshan Yuantuo Technology Co.,Ltd.
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-22
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a knob device with a display function and a fan with the knob device with the display function, wherein the knob device with the display function comprises an encoder, a display module and a screw cap component. The outer ring of the encoder is connected with a bracket which is annular and is positioned on the upper side of the encoder; the display module is arranged in the bracket and connected with the inner ring of the encoder; the spiral cover assembly is provided with a containing cavity, wherein the upper end of the support is provided with an annular connecting portion, the diameter of the connecting portion is gradually reduced from bottom to top, and the connecting portion is inserted into the containing cavity and is in interference fit with the inner wall of the containing cavity. The knob device provided by the utility model has the advantages of good sealing performance and good waterproof performance.

Description

Knob device with display function and fan

Technical Field

The utility model relates to the field of electric appliances, in particular to a knob device with a display function and a fan.

Background

The knob has the characteristics of convenience in gear shifting and the like, and is widely applied to various electric appliances. The knob typically includes an encoder having an inner ring and an outer ring, the inner ring being sleeved with the outer ring, and the outer ring being rotatable relative to the inner ring to generate an encoded signal, and a display is conventionally integrated into the encoder. However, the traditional knob has poor sealing performance and water resistance, and substances such as water vapor and the like easily enter the encoder to influence the work of the display.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the knob device with the display function has the advantages of good sealing performance and good waterproof performance.

The utility model also provides a fan with the knob device with the display function.

The knob device with the display function according to the embodiment of the first aspect of the utility model comprises an encoder, a display module and a screw cap assembly. The outer ring of the encoder is connected with a bracket, and the bracket is annular and is positioned on the upper side of the encoder; the display module is arranged in the bracket and is connected with the inner ring of the encoder; the spiral cover assembly is provided with a containing cavity, wherein the upper end of the support is provided with an annular connecting portion, the diameter of the connecting portion is gradually reduced from bottom to top, and the connecting portion is inserted into the containing cavity and is in interference fit with the inner wall of the containing cavity.

The knob device provided by the embodiment of the utility model has at least the following beneficial effects: the connecting part and the inner wall of the accommodating cavity form interference fit, the connecting part can be in close contact with the inner wall of the accommodating cavity, the diameter of the connecting part is gradually reduced from bottom to top, the connecting part can be conveniently inserted into the accommodating cavity, meanwhile, the contact area between the connecting part and the inner wall of the accommodating cavity is increased, therefore, the sealing property between the connecting part and the inner wall of the accommodating cavity is good, substances such as steam and the like are not easy to enter the mounting hole from the position between the connecting part and the inner wall of the accommodating cavity, and the condition that the display module is influenced by the substances such as steam and the like is reduced.

According to some embodiments of the utility model, the annular side wall of the connecting portion is provided with a plurality of strip-shaped grooves, and the strip-shaped grooves are arranged along the axis of the connecting portion.

According to some embodiments of the present invention, the cap screwing assembly includes a screw cap and a face cap, a stepped hole is formed in the screw cap, the face cap is mounted to the stepped hole, the accommodating cavity is defined by the face cap and an inner wall of the stepped hole, and the connecting portion is inserted into the stepped hole and abuts against the face cap to limit the face cap to the stepped hole.

According to some embodiments of the utility model, the face cover is a silicone cover or a rubber cover.

According to some embodiments of the utility model, the display device further comprises a circuit board, the encoder is fixed on the circuit board, the lower end of the display module is slidably inserted into the inner ring of the encoder, a limiting structure is arranged between the display module and the encoder, and the circuit board is provided with a button which is positioned in the inner ring of the encoder and abutted against the lower end of the display module.

According to some embodiments of the present invention, the position limiting structure includes a plurality of first engaging grooves and a plurality of first elastic fasteners, the first engaging grooves are disposed on an inner ring of the encoder, the first engaging grooves are disposed along an up-down direction and have an upper sidewall, the first elastic fasteners are disposed at a lower end of the display module, and the plurality of first elastic fasteners are engaged with the plurality of first engaging grooves in a one-to-one correspondence manner.

According to some embodiments of the present invention, the display module includes a mounting seat, a protective housing, and a display, the lower end of the mounting seat is movably inserted into the inner ring of the encoder, the lower end of the protective housing is connected to the upper end of the mounting seat, the protective housing and the mounting seat enclose a mounting cavity, and the display is disposed in the mounting cavity.

According to some embodiments of the utility model, the lower end of the bracket is clamped to the outer ring of the encoder.

According to some embodiments of the utility model, the outer circumference of the lower end of the bracket is provided with a step in a ring shape, and the lower end surface of the step is provided with a fixing groove for installing the gasket.

The fan according to the second aspect of the embodiment of the utility model comprises the knob device with the display function.

The fan provided by the embodiment of the utility model at least has the following beneficial effects: the knob device has the advantages of good sealing performance and good waterproof performance, and the condition that the display module is influenced by water vapor and other substances can be reduced while the fan is convenient to shift by arranging the knob device.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a knob device with a display function according to an embodiment of the present invention;

FIG. 2 is an exploded view of a knob device with display function according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an internal structure of a knob device with a display function according to an embodiment of the present invention;

fig. 4 is a schematic view of a stent according to an embodiment of the present invention.

Reference numerals:

the display device comprises an encoder 100, an outer ring 110, an inner ring 120, a second clamping groove 111, a first clamping groove 121, a support 200, a step 220, a second elastic buckle 230, a connecting part 210, a strip-shaped groove 211, a fixing groove 221, a display module 300, a mounting seat 310, a protective shell 320, a display 330, a mounting cavity 340, a first elastic buckle 311, a screw cap assembly 400, a screw sleeve 410, a face cover 420, a stepped hole 411, a containing cavity, a circuit board 500 and a button 510.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 4, a knob device with a display function according to an embodiment of the first aspect of the present invention includes an encoder 100, a display module 300, and a cap screwing assembly 400. The outer ring 110 of the encoder 100 is connected with a bracket 200, and the bracket 200 is annular and is positioned on the upper side of the encoder 100; the display module 300 is disposed in the bracket 200 and coupled to the inner race 120 of the encoder 100; spiral cover subassembly 400 is provided with and holds the chamber, and wherein, support 200 upper end has and is annular connecting portion 210, and connecting portion 210's diameter is followed up and is dwindled gradually down, and connecting portion 210 inserts and locates to hold the intracavity and with the inner wall interference fit who holds the chamber. Form interference fit between connecting portion 210 and the inner wall that holds the chamber, can make connecting portion 210 and the inner wall in close contact with that holds the chamber, and connecting portion 210's diameter is followed and is up dwindled gradually from down, when making things convenient for connecting portion 210 to insert and hold the chamber, the area of contact between connecting portion 210 and the intracavity wall that holds has also been increased, thus, the leakproofness is good between connecting portion 210 and the inner wall that holds the chamber, material such as steam is difficult to get into in the mounting hole from between connecting portion 210 and the inner wall that holds the chamber, it takes place to reduce the condition that display module 300 receives material influence such as steam, through the aforesaid setting, the knob device that the utility model provides, the leakproofness is good, waterproof performance is good advantage.

When the gear shifting device is used, the screw cap assembly 400 can be rotated to drive the support 200 and the outer ring 110 of the encoder 100 to rotate relative to the inner ring 120 of the encoder 100, so that a coding signal is generated, and the coding signal can be used for controlling the gear shifting of an electric appliance; wherein, during the rotation of the bracket 200, the display module 300 does not rotate relative to the inner ring 120 of the encoder 100.

It should be noted that the encoder 100 described above is a relatively mature technology, and it is known to those skilled in the art how the encoder 100 generates the encoded signal, and the specific structure of the encoder 100 is not described in detail herein.

It is envisioned that the bottom wall of the receiving cavity is transparent so that a user can see the display interface of the display module 300 through the flip assembly 400.

Referring to fig. 2 and 4, in some embodiments, a plurality of strip-shaped grooves 211 are formed in the annular side wall of the connecting portion 210, and the strip-shaped grooves 211 are arranged along the axis of the connecting portion 210, so that the connecting portion 210 has a certain elastic deformation capability, and the connecting portion 210 and the inner wall of the accommodating cavity form an interference fit more easily, so that the connecting portion 210 and the inner wall of the accommodating cavity can be squeezed mutually, and the two are ensured to be in close contact.

It is conceivable that, in the implementation process, the bracket 200 and the outer ring 110 of the encoder 100 may be separately processed, and the bracket 200 is connected to the outer ring 110 of the encoder 100 in the assembly process; alternatively, the bracket 200 and the outer ring 110 of the encoder 100 may be integrally formed.

Referring to fig. 2 and 3, it is envisioned that in some embodiments, the lower end of the bracket 200 is snap-fitted to the outer ring 110 of the encoder 100 to facilitate the mounting and dismounting of the two, while the bracket 200 is separately machined from the outer ring 110 of the encoder 100. Specifically, the outer ring 110 of the encoder 100 is sleeved at the lower end of the bracket 200, a second elastic buckle 230 is arranged on the annular wall at the lower end of the bracket 200, a second clamping groove 111 is arranged on the periphery of the outer ring 110 of the encoder 100, the second clamping groove 111 is arranged along the vertical direction, the second clamping groove 111 has an upper side wall, and the second elastic buckle 230 is clamped in the second clamping groove 111.

In a specific implementation process, when the above-mentioned knob device is installed on an electrical appliance, generally, the fixing frame of the encoder 100 is located inside a housing of the electrical appliance, the cap screwing assembly 400 is located outside the housing of the electrical appliance, and an avoiding hole for the support 200 to pass through is formed in the housing of the electrical appliance. Referring to fig. 1 to 4, in some embodiments, in order to prevent substances such as moisture from entering the inside of the electrical appliance through the avoidance hole, an annular step 220 is disposed on an outer periphery of a lower end of the bracket 200, and a fixing groove 221 for installing a gasket is disposed on a lower end surface of the step 220, wherein the step 220 is located outside a housing of the electrical appliance, the gasket is installed between the step 220 and the housing of the electrical appliance, the gasket can be fixed in the fixing groove 221, and the gasket abuts against an outer surface of the housing of the electrical appliance and the step 220, so that the situation that the substances such as moisture enter the inside of the electrical appliance through the avoidance hole can be reduced, and the sealing performance of the electrical appliance is good.

Referring to fig. 2 and 3, it is conceivable that, in some embodiments, a button 510 may be further disposed in the knob device, and specifically, the knob device further includes a circuit board 500, the encoder 100 is fixed on the circuit board 500, the lower end of the display module 300 is slidably inserted into the inner ring 120 of the encoder 100, a limiting structure is disposed between the display module 300 and the encoder 100, the circuit board 500 is disposed with the button 510, and the button 510 is disposed in the inner ring 120 of the encoder 100 and abuts against the lower end of the display module 300. Thus, pressing the button 510 may be accomplished by moving the display module 300 downward; after the button 510 is pressed, the display module 300 can be reset by resetting the button 510.

It is envisioned that in particular implementations, the downward movement of the display module 300 may be accomplished in a variety of ways, such as: in some embodiments, the bottom wall of the receiving cavity of the screw cap assembly 400 has elasticity, and the bottom wall of the receiving cavity can be pressed, so that the display module 300 can be moved downward by pressing the bottom wall of the receiving cavity; or, in other embodiments, the bracket 200 may be sleeved on the outer ring 110 of the encoder 100 in a vertically movable manner, and at this time, the bracket 200 may be prevented from being separated from the outer ring 110 of the encoder 100 by the cooperation of the second engaging groove 111 and the second engaging buckle, so that the cover screwing assembly 400 and the bracket 200 may be vertically moved, the display module 300 is pushed to move downwards by moving the cover screwing assembly 400 downwards, and at this time, the bottom wall of the accommodating cavity of the cover screwing assembly 400 may not have elasticity.

Referring to fig. 2 and 3, specifically, in some embodiments, the limiting structure includes a plurality of first engaging grooves 121 and a plurality of first elastic fasteners 311, the first engaging grooves 121 are disposed on the inner ring 120 of the encoder 100, the first elastic fasteners 311 are disposed at the lower end of the display module 300, the plurality of first elastic fasteners 311 are engaged with the plurality of first engaging grooves 121 in a one-to-one correspondence manner, the first engaging grooves 121 are disposed along the vertical direction and have upper sidewalls, and the upper sidewalls of the first engaging grooves 121 abut against the first elastic fasteners 311 to limit the first elastic fasteners 311 in the first engaging grooves 121, so as to prevent the display module 300 from being separated from the inner ring 120 of the encoder 100. When the display module 300 moves downward, the first elastic latch 311 may move downward along the corresponding first card slot 121. Of course, it is understood that the above-mentioned limiting structure may also adopt other arrangement manners, for example, the first card slot 121 may be arranged in the display module 300, the first elastic buckle 311 is arranged in the inner ring 120 of the encoder 100, at this time, the first card slot 121 has a lower side wall, and the display module 300 is limited in the inner ring 120 of the encoder 100 by the first elastic buckle 311 abutting against the lower side wall of the first card slot 121.

Referring to fig. 2 and 3, in some embodiments, specifically, the display module 300 includes a mounting seat 310, a protective shell 320, and a display 330, a lower end of the mounting seat 310 is movably inserted into the inner ring 120 of the encoder 100, a lower end of the protective shell 320 is connected to an upper end of the mounting seat 310, the protective shell 320 and the mounting seat 310 enclose a mounting cavity 340, and the display 330 is disposed in the mounting cavity 340. Therefore, during the downward movement of the display module 300, the acting force applied to the display module mainly acts on the protective casing 320 or the mounting seat 310, and the display 330 is not directly stressed, thereby preventing the display 330 from being damaged due to pressing.

It is envisioned that, referring to fig. 2 and 3, in some embodiments, protective shell 320 is snap-fit to mount 310 to facilitate mounting of protective shell 320.

Referring to fig. 1 to 3, it is conceivable that, in some embodiments, the screw cap assembly 400 includes a screw cap 410 and a surface cap 420, a stepped hole 411 is formed in the screw cap 410, the surface cap 420 is mounted in the stepped hole 411, and the connecting portion 210 of the bracket 200 is inserted into the stepped hole 411 and abuts against the surface cap 420 to limit the surface cap 420 to the stepped hole 411. The accommodating cavity is defined by the surface cover 420 and the inner wall of the stepped hole 411, that is, the inner wall of the stepped hole 411 may constitute the inner wall of the accommodating cavity, and the surface cover 420 may constitute the bottom wall of the accommodating cavity, that is, the connecting portion 210 and the inner wall of the stepped hole 411 form an interference fit. In this case, the connection portion 210 can press the surface cover 420 against the bottom wall of the stepped hole 411, so that the surface cover 420 is in close contact with the bottom wall of the stepped hole 411, thereby ensuring good sealing performance.

It is envisioned that in some embodiments, the face cover 420 may be provided as a silicone cover or a rubber cover, wherein the silicone cover or the rubber cover has elasticity to improve sealability between the face cover 420 and the bottom wall of the stepped hole 411. In addition, when the button 510 is provided in the knob device, since the middle of the silicon or rubber cover can be pressed, the display module 300 can be moved downward by pressing the silicon or rubber cover.

Of course, it is understood that in some embodiments, the above-mentioned cover-screwing assembly 400 may be provided in other configurations, for example, the above-mentioned cover-screwing assembly 400 may also be provided as an integral structure, and in this case, if it is required to move the display module 300 by pressing the bottom wall of the accommodating cavity, the cover-screwing assembly 400 may be made of a material with certain elasticity, such as silicon gel or rubber.

The fan provided by the embodiment of the second aspect of the utility model comprises the knob device with the display function. The knob device has the advantages of good sealing performance and good waterproof performance, and the condition that the display module 300 is influenced by water vapor and other substances can be reduced while the fan is convenient to shift by arranging the knob device.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. Knob device of area display function, its characterized in that includes:

the encoder comprises an encoder (100), wherein a support (200) is connected to an outer ring (110) of the encoder (100), and the support (200) is annular and is positioned on the upper side of the encoder (100);

a display module (300) disposed within the bracket (200) and coupled to the inner race (120) of the encoder (100);

a screw cap assembly (400) provided with a receiving cavity;

wherein, support (200) upper end has and is annular connecting portion (210), the diameter of connecting portion (210) is followed up and is dwindled gradually down, connecting portion (210) insert locate hold the intracavity and with hold the inner wall interference fit in chamber.

2. The knob device with the display function according to claim 1, wherein the annular sidewall of the connecting portion (210) defines a plurality of strip-shaped grooves (211), and the strip-shaped grooves (211) are disposed along an axis of the connecting portion (210).

3. The knob device with the display function according to claim 1, wherein the cap screwing assembly (400) comprises a cap screwing assembly (410) and a face cap (420), a stepped hole (411) is formed in the cap screwing assembly (410), the face cap (420) is mounted in the stepped hole (411), the accommodating cavity is defined by the face cap (420) and an inner wall of the stepped hole (411), and the connecting portion (210) is inserted into the stepped hole (411) and abuts against the face cap (420) to limit the face cap (420) to the stepped hole (411).

4. The knob device with display function according to claim 3, wherein the face cover (420) is a silicone cover or a rubber cover.

5. The knob device with the display function according to any one of claims 1 to 4, further comprising a circuit board (500), wherein the encoder (100) is fixed on the circuit board (500), the lower end of the display module (300) is slidably inserted into the inner ring (120) of the encoder (100), a limiting structure is arranged between the display module (300) and the encoder (100), a button (510) is arranged on the circuit board (500), and the button (510) is located in the inner ring (120) of the encoder (100) and abuts against the lower end of the display module (300).

6. The knob device with the display function according to claim 5, wherein the limiting structure comprises a plurality of first engaging grooves (121) and a plurality of first elastic fasteners (311), the first engaging grooves (121) are disposed on the inner ring (120) of the encoder (100), the first engaging grooves (121) are disposed along an up-down direction, the first elastic fasteners (311) are disposed at a lower end of the display module (300), the plurality of first elastic fasteners (311) are engaged with the plurality of first engaging grooves (121) in a one-to-one correspondence manner, and the first engaging grooves (121) have upper sidewalls to limit the first elastic fasteners (311).

7. The knob device with the display function according to claim 5, wherein the display module (300) comprises a mounting seat (310), a protective shell (320) and a display (330), a lower end of the mounting seat (310) is movably inserted into the inner ring (120) of the encoder (100), a lower end of the protective shell (320) is connected to an upper end of the mounting seat (310), the protective shell (320) and the mounting seat (310) enclose a mounting cavity (340), and the display (330) is disposed in the mounting cavity (340).

8. The knob device with display function according to claim 1, wherein the lower end of the bracket (200) is engaged with the outer ring (110) of the encoder (100).

9. The knob device with display function according to claim 8, wherein the outer circumference of the lower end of the bracket (200) is provided with a step (220) having a ring shape, and the lower end surface of the step (220) is provided with a fixing groove (221) for installing a gasket.

10. Fan, characterized in that it comprises a knob device with display function according to any of claims 1 to 9.