CN213660233U - Electronic device - Google Patents

Abstract

The utility model provides an electronic device, which comprises a shell, an accommodating cavity and a key module; the shell is provided with an inner cavity and an opening; the accommodating cavity is arranged in the inner cavity of the shell, and the accommodating space of the accommodating cavity is communicated with the opening; the key module comprises an operation component and a functional component; the control component is arranged in the accommodating cavity, and is partially exposed out of the opening for a user to control; the functional component is connected to the operation component, and the functional component is arranged in the shell and positioned outside the accommodating cavity. Through the structure design, the utility model provides an electronic device can utilize the holding cavity, effectively completely cuts off steam and the dust that gets into via the shell opening, avoids steam and dust to get into in the inner chamber of shell. Compared with the prior art, the utility model provides an electronic device has good waterproof dustproof performance.

Description

Electronic device

Technical Field

The utility model relates to an electron device's control element designs technical field, especially relates to an electron device.

Background

If the electronic device has internal dust accumulation, the heat dissipation effect of the electronic device can be influenced, and even the dust particles with larger diameters can cause the blocking and the invalidation of the keys and the knobs. Use agricultural plant protection unmanned aerial vehicle's remote controller as an example, user's operating environment is the open air that the condition is very abominable, and the dust is big, the temperature is high, does not consider that dirt-proof remote controller uses for a long time the back inside deposition is serious, causes very big influence to the heat dissipation and the performance of remote controller. The keys on the remote controller, especially the thumb wheel keys, have larger holes for arranging the keys because the shell of the remote controller is provided with the keys, so that dust can easily enter the interior of the remote controller in the using process. Meanwhile, the electronic device has a large number of electrical components, and once moisture enters the electronic device, the electronic device can be seriously damaged, and particularly, an opening formed in a shell of the electronic device for exposing a key is lack of a waterproof structural design, so that the moisture is easily generated to enter the electronic device, and the electronic device is easy to malfunction.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide an electronic device with better dustproof and waterproof performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to an aspect of the present invention, there is provided an electronic device; the electronic device comprises a shell, an accommodating cavity and a key module; the shell is provided with an inner cavity and an opening; the accommodating cavity is arranged in the inner cavity of the shell, and an accommodating space of the accommodating cavity is communicated with the opening; the key module comprises a control component and a functional component; the operating component is arranged in the accommodating cavity, and is partially exposed out of the opening for being operated by a user; the functional component is connected to the operation component, and the functional component is arranged in the shell and positioned outside the accommodating cavity.

According to one embodiment of the present invention, the operating component includes a thumb wheel, and the functional component includes a circuit board; the dial wheel is rotatably arranged in the accommodating cavity through a rotating shaft, the circuit board is arranged on the outer wall of the accommodating cavity, a potentiometer is arranged on the circuit board and corresponds to the rotating shaft, and the rotating shaft penetrates through the accommodating cavity and is matched with the potentiometer.

According to the utility model discloses a wherein one of them embodiment, be provided with the mount pad in the holding cavity, control the subassembly set up in on the mount pad.

According to one embodiment of the present invention, the operating assembly includes a dial wheel, and the dial wheel is rotatably disposed on the mounting base through a rotating shaft; and a reset elastic piece is arranged between the rotating shaft and the mounting seat.

According to the utility model discloses a one of them embodiment, be provided with the erection column on the mount pad, the erection column passes the holding cavity supplies the functional unit installation.

According to one embodiment of the present invention, the operating assembly includes a thumb wheel, and the thumb wheel is rotatably disposed in the accommodating cavity through a rotating shaft; wherein, the thumb wheel is fan-shaped structure, so that thumb wheel one side is circular-arc, and the opposite side is planar, the thumb wheel is planar one side and is provided with the mounting groove, the pivot is provided with the installation piece, the installation piece with the cooperation of mounting groove block.

According to one of the embodiments of the present invention, the axis of the rotating shaft passes through the center of the corresponding circle of the thumb wheel; and/or one side of the thumb wheel, which is in the shape of a circular arc, is provided with a friction grain structure.

According to one embodiment of the present invention, the key module further comprises a key housing disposed in the accommodating cavity and having a key opening, and the operating component is disposed on the key housing and partially exposed from the key opening; and a protective ring is connected between the key shell and the inner wall of the shell and used for sealing a gap between the key opening and the opening of the shell.

According to the utility model discloses a wherein one of them implementation mode, guard ring has connecting portion, first end and second end along self axial, first end with the second end connect respectively in connecting portion are along axial both sides, guard ring passes through first end cover is located button shell periphery, and pass through the second end connect in shells inner wall.

According to one of the embodiments of the present invention, the connecting portion has a corrugated structure, so that a part of the structure of the guard ring can move along with the key housing relative to the housing.

According to the above technical scheme, the utility model provides an electronic device's advantage lies in with positive effect:

the utility model provides an electronic device sets up relative confined holding cavity in the inner chamber of shell, sets up the control subassembly of button module in this holding cavity to set up the functional unit of button module outside the holding cavity. Through the structure design, the utility model provides an electronic device can utilize the holding cavity, effectively completely cuts off steam and the dust that gets into via the shell opening, avoids steam and dust to get into in the inner chamber of shell. Compared with the prior art, the utility model provides an electronic device has good waterproof dustproof performance.

Drawings

The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a partial external view of an electronic device according to an exemplary embodiment;

FIG. 2 is a partial cross-sectional view of the electronic device shown in FIG. 1;

FIG. 3 is a schematic structural diagram of a portion of the structure of the electronic device shown in FIG. 1;

FIG. 4 is an exploded schematic view of FIG. 3;

FIG. 5 is a cross-sectional view of a portion of the structure of an electronic device according to one exemplary embodiment;

FIG. 6 is an exploded schematic view of a portion of the structure of the electronic device shown in FIG. 5;

FIG. 7 is a cross-sectional view of another corner of the partial structure of the electronic device shown in FIG. 5;

FIG. 8 is an enlarged view of portion A of FIG. 7;

fig. 9 is a schematic structural diagram of a guard ring of the electronic device shown in fig. 5.

The reference numerals are explained below:

100. a housing; a first positioning ring 311;

101. an inner cavity; 312. positioning ear;

110. an opening; a second end portion 320;

120. a second positioning slot; 321. a second retaining ring;

130. an accommodating cavity; a connecting portion 330;

131. a second positioning projection; a pleat formation;

140. a mounting seat; a guard ring 340;

141. mounting a column; 400, a gasket;

200. a key module; 500, a key module;

210. a first positioning slot; 510, a thumb wheel;

220. a first positioning projection; 511, installing a groove;

230. a key housing; rubbing the texture structure;

231. a key opening; 520, a rotating shaft;

232. a first housing; 521, mounting blocks;

233. a second housing; a return spring 522;

240. a key unit; 530, a circuit board;

300. a guard ring; 540. a potentiometer;

310. a first end portion; x. axial direction.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.

Referring to fig. 1, a partial external view of an electronic device according to the present invention is representatively illustrated. In this exemplary embodiment, the electronic device provided by the present invention is described by taking a remote controller and a dial knob thereof as an example. Those skilled in the art will readily appreciate that various modifications, additions, substitutions, deletions, or other changes may be made to the embodiments described below in order to apply the inventive concepts described herein to other types of electronic devices, and such changes are within the scope of the principles of the electronic devices as set forth herein.

As shown in fig. 1, in the present embodiment, the electronic device provided by the present invention includes a housing 100, a key module 500, and a receiving cavity (not shown in fig. 1). Referring to fig. 2-4 in combination, fig. 2 representatively illustrates a partial cross-sectional view of an electronic device; fig. 3 is a schematic structural view typically showing a partial structure of the electronic apparatus; the exploded schematic of fig. 3 is representatively illustrated in fig. 4. The structure, connection mode and functional relationship of the main components of the electronic device proposed by the present invention will be described in detail below with reference to the above drawings.

As shown in fig. 1 and 2, in the present embodiment, the housing 100 has an inner cavity 101, and the housing 100 is provided with an opening 110. The accommodating cavity 130 is disposed in the inner cavity 101 of the housing 100, and an accommodating space of the accommodating cavity 130 is communicated with the opening 110. The key module 500 includes manipulation components and functional components. Specifically, the manipulating component is disposed in the accommodating cavity 130, and a portion of the manipulating component is exposed to the opening 110 of the casing 100 for a user to manipulate. The functional component is connected to the operation component, and the functional component is disposed in the casing 100 and outside the accommodating cavity 130. Through the structure design, the utility model provides an electronic device can utilize holding cavity 130, effectively completely cuts off steam and the dust that gets into via shell 100 opening 110, avoids steam and dust to get into in the inner chamber 101 of shell 100. Compared with the prior art, the utility model provides an electronic device has good waterproof dustproof performance.

Alternatively, as shown in fig. 1 and 2, in the present embodiment, the manipulation assembly may include a jog wheel 510, and the functional assembly may include a circuit board 530. Specifically, the thumb wheel 510 can be rotatably disposed in the accommodating cavity 130 through the rotating shaft 520. The circuit board 530 is disposed on the outer wall of the accommodating cavity 130, a potentiometer 540 is disposed on the circuit board 530, the potentiometer 540 corresponds to the rotating shaft 520, and the rotating shaft 520 passes through the accommodating cavity 130 and is engaged with the potentiometer 540. Accordingly, the key module 500 can recognize the corresponding key control signal according to the rotation of the dial wheel 510 by using the potentiometer 540.

Optionally, as shown in fig. 2 to 4, in the present embodiment, a mounting seat 140 may be disposed in the accommodating cavity 130. On this basis, a manipulating assembly may be disposed on the mounting base 140.

Further, as shown in fig. 2 to 4, based on the structural design that the installation seat 140 is disposed in the accommodating cavity 130 and the manipulating assembly includes the dial wheel 510, in the present embodiment, the dial wheel 510 can be rotatably disposed on the installation seat 140 through the rotating shaft 520. On this basis, a reset elastic member 522 may be disposed between the rotating shaft 520 and the mounting seat 140, so that when the force applied to the thumb wheel 510 by the user is removed, the reset elastic member 522 can apply an elastic restoring force to the rotating shaft 520, so that the rotating shaft 520 drives the thumb wheel 510 to rotate and reset.

Further, as shown in fig. 4, based on the structural design that the return elastic member 522 is disposed between the rotating shaft 520 and the mounting seat 140, in the present embodiment, the return elastic member 522 may be a torsion spring. The torsion spring may be sleeved on the rotating shaft 520, and two abutting ends of the torsion spring may abut against the mounting base 140 respectively. In other embodiments, the elastic restoring member 522 may also be an elastic structure such as a coil spring or a spring plate, and is not limited to this embodiment.

Further, as shown in fig. 3 and 4, based on the structural design of the installation base 140 disposed in the receiving cavity 130, in the present embodiment, an installation column 141 may be disposed on the installation base 140, and the installation column 141 can pass through the receiving cavity 130 for installing the functional component. Taking the example where the functional component includes the circuit board 530, when the circuit board 530 is disposed above the receiving cavity 130, the mounting post 141 passes through the top of the receiving cavity 130 and extends to the lower side of the circuit board 530, and the circuit board 530 can be detachably fixed to the mounting post 141 by a connector such as a bolt.

It should be noted that the structure shown in fig. 3 and 4 is not the actual assembly state of the electronic device, and fig. 3 and 4 can be understood that the key module 200 and the mounting base 140 are removed from the housing 100, the circuit board 530 is reset on the mounting post 141 of the mounting base 140, and the rotating shaft 520 is matched with the potentiometer 540 on the circuit board 530. In other words, the structure shown in fig. 3 and 4 omits the housing 100 and the accommodating cavity 130, and thus the description is omitted.

Further, as shown in fig. 3 and 4, based on the structural design that the mounting base 140 is provided with the mounting posts 141, in the present embodiment, a plurality of mounting posts 141 may be provided on the mounting base 140, thereby enhancing the mounting strength of the functional component.

Alternatively, as shown in fig. 2 to 4, in the present embodiment, the thumb wheel 510 may have a substantially fan-shaped structure such that one side of the thumb wheel 510 is substantially circular-arc-shaped and the other side of the thumb wheel 520 is substantially planar. On this basis, based on the structural design that the thumb wheel 510 is rotatably disposed in the accommodating cavity 130 (for example, rotatably disposed on the mounting seat 140) through the rotating shaft 520, the planar side of the thumb wheel 510 may be provided with a mounting groove 511, and accordingly, the rotating shaft 520 may be provided with a mounting block 521. Accordingly, the mounting block 521 is engaged with the mounting groove 511, so that the thumb wheel 510 and the rotating shaft 520 can be firmly and reliably coupled.

Further, based on the structural design that the thumb wheel 510 is in a fan-shaped structure, in the present embodiment, the axis of the rotating shaft 520 may pass through the center of the corresponding circle of the thumb wheel 510. Through the above structural design, when the user operates the thumb wheel 510 to rotate, the rotation of the thumb wheel 510 corresponds to the rotation of the rotating shaft 520 more accurately, so that the control precision of the key module 500 can be improved, and the use experience of the user can be improved.

Further, as shown in fig. 3 and 4, based on the structural design that the dial 510 has a fan-shaped structure, in the present embodiment, a friction texture 512 may be provided on the side of the dial 510 having an arc shape. Through the above structural design, the sliding of the user in the rotating process of the operating dial wheel 510 can be avoided, so that the unsmooth operation is avoided, and the use experience of the user is further improved.

Based on the above detailed description of an exemplary embodiment of the electronic device, another exemplary embodiment of the electronic device will be described with reference to fig. 5 to 9

Referring to fig. 5, a cross-sectional view of a portion of an electronic device according to another embodiment of the present invention is representatively illustrated. In this exemplary embodiment, the electronic device provided by the present invention is described by taking a camera and a thumbwheel button thereof as an example. Those skilled in the art will readily appreciate that various modifications, additions, substitutions, deletions, or other changes may be made to the embodiments described below in order to apply the inventive concepts described herein to other types of electronic devices, and such changes are within the scope of the principles of the electronic devices as set forth herein.

As shown in fig. 5, in the present embodiment, the electronic device provided by the present invention includes a housing 100, a key module 200, a receiving cavity 130 and a guard ring 300. Referring to fig. 6 to 9, fig. 6 is an exploded view of a part of the electronic device; fig. 7 is a cross-sectional view representatively illustrating another corner of a partial structure of an electronic device; fig. 8 representatively illustrates an enlarged view of portion a of fig. 7; fig. 9 representatively illustrates a schematic structural view of a guard ring of an electronic device. The structure, connection mode and functional relationship of the main components of the electronic device proposed by the present invention will be described in detail below with reference to the above drawings.

As shown in fig. 5 to 7, in the present embodiment, the electronic device according to the present invention has substantially the same structural design as that of the first embodiment, and the structural design of the electronic device different from that of the first embodiment in the present embodiment will be described below. Specifically, in the present embodiment, the key module 200 may further include a key housing 230, wherein the key housing 230 is disposed in the accommodating cavity 130 and has a key opening 231. The manipulating component is disposed in the key housing 230, and a portion of the manipulating component is exposed to the key opening 231. On this basis, the guard ring 300 is connected between the key housing 230 and the inner wall of the housing 100 to close the gap between the key opening 231 and the opening 110 of the housing 100. Through the above structure design, the utility model provides an electronic device can avoid in vapor and dust get into electronic device's casing 100 via the gap between button casing 230 and the opening 110 to provide reliable waterproof dustproof efficiency for electronic device.

It should be noted that, according to the structures shown in fig. 5 and fig. 6, it can be clearly understood that in the present embodiment, based on the design concept of the present invention, the key housing 230 and the key unit 240 (i.e. the thumb wheel of the manipulating assembly) of the key module 200 are still disposed in the accommodating space 130, and the rotating shaft 520 passes through the accommodating space 130 and cooperates with the potentiometer 540 disposed on the circuit board 530 outside the accommodating space 130.

Alternatively, as shown in fig. 5 to 9, in the present embodiment, the guard ring 300 has a connecting portion 330, a first end portion 310 and a second end portion 320 along the axial direction X thereof, and the first end portion 310 and the second end portion 320 are respectively connected to two sides of the connecting portion 330 along the axial direction X. On the basis, the guard ring 300 can be sleeved on the outer periphery of the key housing 230 through the first end portion 310, and can be connected to the inner wall of the housing 100 through the second end portion 320, and the second end portion 320 is substantially connected to the inner wall at a position surrounding the outer periphery of the opening 110.

Further, as shown in fig. 5 to 9, based on the structural design that the guard ring 300 has the connection portion 330, in the present embodiment, the connection portion 330 may have a corrugated structure 331. In view of the above, taking the key module 200 as a thumb wheel key as an example, in the thumb wheel rotation process of the thumb wheel key, or in the key pressing and swinging process of the thumb wheel key, the partial structure of the protection ring 300, such as the fold structure 331, can move along with the key housing 230 relative to the housing 100, further optimizing the waterproof and dustproof effects of the electronic device when using the similar type key module 200. In other embodiments, the key module 200 may also be other types of key structures, and the specific operation type thereof may be swing, translation, rotation, and the like, which are not limited to the present embodiment.

Further, as shown in fig. 5 to 9, based on the structural design that the connecting portion 330 of the guard ring 300 has the corrugated structure 331, in the present embodiment, the cross section of the corrugated structure 331 along the axial direction X may be substantially wavy. In other embodiments, the cross section of the corrugated structure 331 along the axial direction X may be substantially threaded, serrated, or the like, and is not limited to this embodiment.

Further, as shown in fig. 7 to 9, based on the structural design that the guard ring 300 has the first end portion 310, in the present embodiment, the first end portion 310 of the guard ring 300 may have a first positioning ring 311, and the first positioning ring 311 is protruded inward along the radial direction of the guard ring 300. On this basis, the outer circumference of the key housing 230 (e.g., the outer circumference of the first housing 232 and the second housing 233) may be correspondingly provided with at least the first positioning card slot 210. Accordingly, the first positioning ring 311 is engaged with the first positioning slot 210, so that the first end 310 of the protection ring 300 is connected with the key housing 230 for positioning.

Further, as shown in fig. 6 and 7, based on the structural design that the first end portion 310 of the guard ring 300 has the first positioning ring 311 and the outer periphery of the key housing 230 is provided with the first positioning slot 210, in this embodiment, the first end portion 310 may have one first positioning ring 311 and the outer periphery of the key housing 230 may be correspondingly provided with one first positioning slot 210. In other embodiments, the first end 310 of the guard ring 300 may also have a plurality of first positioning rings 311, and the first positioning rings 311 may be arranged at intervals along the axial direction X. On this basis, the outer periphery of the key housing 230 may also be provided with a plurality of first positioning slots 210, the first positioning slots 210 may be arranged at intervals along the axial direction X, and the plurality of first positioning rings 311 are respectively engaged with the plurality of first positioning slots 210, which is not limited in this embodiment.

Further, as shown in fig. 7 to 9, based on the structural design that the guard ring 300 has the first end portion 310, in the present embodiment, the first end portion 310 of the guard ring 300 may have a positioning ear 312, the positioning ear 312 protrudes along the axial direction X and faces away from the opening 110, and the positioning ear 312 is provided with a positioning hole. On this basis, the key housing 230 (e.g. the first housing 232 and the second housing 233 of the key housing 230) may be correspondingly provided with the first positioning protrusion 220. Accordingly, the first end 310 of the protection ring 300 is connected and positioned with the key housing 230 by the insertion and matching of the positioning hole and the first positioning protrusion 220.

Further, as shown in fig. 7 to 9, based on the structural design that the first end 310 of the guard ring 300 has the positioning lug 312, in the present embodiment, the first end 310 may have two positioning lugs 312, and the two positioning lugs 312 are arranged at intervals along the circumferential direction of the guard ring 300, for example, but not limited to, evenly spaced (i.e., symmetrically arranged in the circumferential direction). On this basis, the periphery of the key housing 230 may be provided with two first positioning protrusions 220, and the two positioning holes are respectively in insertion fit with the two first positioning protrusions 220. In other embodiments, the first end 310 of the guard ring 300 may also be provided with one or more positioning ears 312, and the outer periphery of the key housing 230 may also be provided with one or more first positioning protrusions 220. In addition, each positioning lug 312 may be provided with one or more positioning holes for the first positioning protrusions 220 to be correspondingly inserted into and matched with the positioning holes, which is not limited by the present embodiment.

Further, as shown in fig. 7 to 9, based on the structural design that the guard ring 300 has the second end 320, in the present embodiment, the second end 320 of the guard ring 300 may have a second positioning ring 321, and the second positioning ring 321 is protruded radially and outwardly. On this basis, the housing 100 may be provided with a second detent groove 120. Accordingly, the second positioning ring 321 is engaged with the second positioning slot 120, so that the protection ring 300 is connected and positioned with the housing 100 at the second end 320 thereof.

Further, as shown in fig. 7 to 9, based on the structural design that the second end portion 320 has the second positioning ring 321 and the housing 100 is provided with the second positioning slot 120, in the present embodiment, the housing 100 may be provided with the receiving cavity 130 therein, and the receiving cavity 130 is communicated with the opening 110, that is, the receiving cavity 130 has another opening facing the opening 110 of the housing 100. On this basis, the key housing 230 may be disposed in the accommodating cavity 130, and the inner wall of the accommodating cavity 130 (for example, a position close to the opening of the accommodating cavity 130) may be provided with a second positioning protrusion 131, and the second positioning protrusion 131 and the inner wall of the housing 100 form the second positioning slot 120. In other words, in the present embodiment, the second positioning ring 321 of the second end portion 320 is engaged with the second positioning groove 120, that is, the second positioning ring is engaged between the inner wall of the housing 100 and the second positioning protrusion 131 disposed in the accommodating cavity 130 of the housing 100. In other embodiments, a groove structure may be directly disposed on the inner wall of the housing 100 to serve as the second positioning slot 120 for engaging with the second positioning snap ring, which is not limited to the present embodiment.

Further, as shown in fig. 5, 7 and 8, based on the structural design that the second end portion 320 of the protection ring 300 has the second positioning ring 321, and the accommodating cavity 130 is provided with the second positioning protrusion 131, in this embodiment, the periphery of the protection ring 300 may be provided with the gasket 400, and the gasket 400 is disposed between the second positioning ring 321 and the second positioning protrusion 131, so as to further enhance the engagement of the second positioning ring 321 in the second positioning slot 120, further optimize the connection strength between the protection ring 300 and the housing 100, and improve the waterproof and dustproof effects of the electronic device.

Further, based on the structural design of the electronic device provided by the present invention including the gasket 400, in this embodiment, the material of the gasket 400 may include silica gel. In other embodiments, the material of the gasket 400 may also include rubber, and is not limited to this embodiment.

Optionally, in this embodiment, the material of the guard ring 300 may include silica gel. Since the silicone rubber has better flexibility, the silicone rubber can be more suitable for the arrangement of the key module 200 of the types such as a thumb wheel key and the like, and provides effective waterproof and dustproof effects on the basis. In other embodiments, the material of the guard ring 300 may also include rubber, and is not limited to this embodiment.

Alternatively, as shown in fig. 5, 6 and 9, based on the structural design that the key module 200 includes the key housing 230, in this embodiment, the key housing 230 may include a first housing 232 and a second housing 233, and the first housing 232 and the second housing 233 are relatively connected in a snap-fit manner. On this basis, the guard ring 300 may be connected with a guard ring 340, and the guard ring 340 is sandwiched between the first casing 232 and the second casing 233 to close the gap between the first casing 232 and the second casing 233. Through the structure design, the utility model discloses can seal simultaneously key housing 230 because of the gap that communicates in all the other inner chambers of casing 100 that self structural design probably produced for aqueous vapor and dust not only can't get into via the gap between key housing 230 and the opening 110, more can't get into casing 100 via the gap of key housing 230's self structure, further optimize electron device's waterproof dustproof effect.

Further, based on the structural design that the key housing 230 includes the first housing 232 and the second housing 233, in the present embodiment, the connection mode between the first housing 232 and the second housing 233 may include ultrasonic welding. In other embodiments, the connection between the first housing 232 and the second housing 233 may include adhesive dispensing, and is not limited to this embodiment. In other embodiments, the guard ring 300 and the guard ring 340 may be an integral structure, so as to further ensure the integrity of the structural seal, and the first casing 232 and the second casing 233 may be butted in other manners.

Further, based on the design that the connection mode of the first casing 232 and the second casing 233 of the key casing 230 includes ultrasonic welding, in this embodiment, a welding line structure may be provided at the butt joint position of the first casing 232 and the second casing 233.

Alternatively, the key module may contain a manipulation component as well as a functional component. Specifically, the control component is arranged in the key shell and is used for being controlled by a user. The functional assembly is connected to the operation assembly, and the functional assembly is arranged in the shell and positioned outside the key shell. Accordingly, the key housing can isolate the functional assembly from the external environment.

Further, based on the structural design that the key module comprises the operation component and the functional component, the operation component can comprise a thumb wheel which is arranged in the key shell through a rotating shaft and is partially exposed to the opening. The functional assembly may include a circuit board disposed outside the key housing, and an end of the shaft extends out of the key housing and is engaged with the potentiometer on the circuit board.

It should be noted herein that the electronic devices illustrated in the accompanying drawings and described in the present specification are but a few examples of the many types of electronic devices that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are by no means limited to any details or any components of the electronic device shown in the drawings or described in the specification.

To sum up, the utility model provides an electronic device sets up relative confined holding cavity in the inner chamber of shell, sets up the control assembly of button module in this holding cavity to set up the functional unit of button module outside the holding cavity. Through the structure design, the utility model provides an electronic device can utilize the holding cavity, effectively completely cuts off steam and the dust that gets into via the shell opening, avoids steam and dust to get into in the inner chamber of shell. Compared with the prior art, the utility model provides an electronic device has good waterproof dustproof performance.

Exemplary embodiments of an electronic device as proposed by the present invention are described and/or illustrated in detail above. Embodiments of the invention are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. Furthermore, the terms "first" and "second" and the like in the claims and the description are used merely as labels, and are not numerical limitations of their objects.

While the proposed electronic device has been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.

Claims (10)

1. An electronic device, comprising:

a housing having an interior cavity, the housing having an opening;

the accommodating cavity is arranged in the inner cavity of the shell, and an accommodating space of the accommodating cavity is communicated with the opening;

a key module, comprising:

the control assembly is arranged in the accommodating cavity, partially exposed out of the opening and used for being controlled by a user; and

and the functional component is connected to the operating component, arranged in the shell and positioned outside the accommodating cavity.

2. The electronic device of claim 1, wherein the manipulation component comprises a thumbwheel, and the functional component comprises a circuit board; the dial wheel is rotatably arranged in the accommodating cavity through a rotating shaft, the circuit board is arranged on the outer wall of the accommodating cavity, a potentiometer is arranged on the circuit board and corresponds to the rotating shaft, and the rotating shaft penetrates through the accommodating cavity and is matched with the potentiometer.

3. The electronic device of claim 1, wherein a mounting seat is disposed in the receiving cavity, and the manipulating component is disposed on the mounting seat.

4. The electronic device of claim 3, wherein the manipulating component comprises a thumb wheel rotatably disposed on the mounting base via a rotating shaft; and a reset elastic piece is arranged between the rotating shaft and the mounting seat.

5. The electronic device according to claim 3, wherein the mounting seat is provided with a mounting post, and the mounting post passes through the accommodating cavity to mount the functional component.

6. The electronic device according to claim 1, wherein the manipulating component comprises a thumb wheel, and the thumb wheel is rotatably disposed in the accommodating cavity through a rotating shaft; wherein, the thumb wheel is fan-shaped structure, so that thumb wheel one side is circular-arc, and the opposite side is planar, the thumb wheel is planar one side and is provided with the mounting groove, the pivot is provided with the installation piece, the installation piece with the cooperation of mounting groove block.

7. The electronic device according to claim 6, wherein the axis of the rotating shaft passes through the center of the corresponding circle of the thumb wheel; and/or one side of the thumb wheel, which is in the shape of a circular arc, is provided with a friction grain structure.

8. The electronic device according to any one of claims 1 to 7, wherein the key module further includes a key housing disposed in the accommodating cavity and having a key opening, and the operating element is disposed on the key housing and partially exposed to the key opening; and a protective ring is connected between the key shell and the inner wall of the shell and used for sealing a gap between the key opening and the opening of the shell.

9. The electronic device according to claim 8, wherein the guard ring has a connecting portion, a first end portion and a second end portion along its axial direction, the first end portion and the second end portion are respectively connected to two sides of the connecting portion along the axial direction, and the guard ring is sleeved on the outer periphery of the key housing through the first end portion and is connected to the inner wall of the housing through the second end portion.

10. The electronic device of claim 9, wherein the connecting portion has a corrugated structure so that a portion of the structure of the guard ring can move with the key housing relative to the housing.

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