CN113840495B

CN113840495B - Terminal device

Info

Publication number: CN113840495B
Application number: CN202111193566.7A
Authority: CN
Inventors: 范致斌; 胡浩; 郭华
Original assignee: Hisense Mobile Communications Technology Co Ltd
Current assignee: Hisense Mobile Communications Technology Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-11-18
Anticipated expiration: 2041-10-13
Also published as: CN113840495A

Abstract

The invention provides a terminal device, comprising: the terminal equipment comprises a first casing, a second casing and a third casing, wherein the first casing forms a frame and a lower casing of the terminal equipment, and the frame of the first casing is provided with an opening; the second machine shell forms an upper shell of the terminal equipment, the second machine shell is connected with the first machine shell, and an accommodating groove is formed in the second machine shell; the roller is arranged in the accommodating groove, and the roller is partially arranged through the opening; the printed circuit board is adhered to the first shell, the printed circuit board covers the accommodating groove, and the roller is movably connected to the printed circuit board; the waterproof foam is arranged around the edge of the accommodating groove and is pressed between the printed circuit board and the edge of the accommodating groove; a fastener fastening the printed circuit board to the first chassis. The terminal equipment solves the waterproof problem after the roller is applied, so that the waterproof of the whole machine is ensured, and the normal pressing and rolling of the roller are not influenced.

Description

Terminal device

Technical Field

The invention belongs to the technical field of electronic equipment, and particularly relates to terminal equipment.

Background

At present, the volume of the existing intelligent terminal equipment is adjusted by keys, and through deep research and discovery on old people, the old people can listen to a radio station by using a radio basically every day before the intelligent terminal equipment is popularized, and the old people tend to adjust the volume or a channel by using a roller. However, there are many uncertainties in practical application environments, for example, how to achieve life waterproofing of terminal devices using rollers is a problem. Because the roller structure is added into the whole machine, the shell is avoided by the roller to form a hole, and the hole cannot meet the basic life waterproof requirement, so that a waterproof mode with low cost and simple and feasible structure is needed.

The patent with publication number CN208079199U provides a mobile terminal, in which the volume value of the output audio of the sound generating device in the mobile terminal can be adjusted according to the rotation stroke of the roller. The waterproof piece is arranged on the inner side of the upper opening of the shell, the waterproof piece can be tightly attached to the roller, and the roller is in contact connection with the waterproof piece during rotation. However, the waterproof mode of the patent is that the upper end and the lower end of the roller are in contact sealing by using the silica gel ring, the rolling resistance is increased after the casing is extruded, the hand feeling is extremely poor, and the silica gel ring may generate a gap with the roller in actual rotation, so that poor sealing is caused.

The invention is provided in view of the above.

Disclosure of Invention

The present invention is directed to solving, at least in part, one of the technical problems in the related art. For this purpose, the first and second air-conditioning systems,

the embodiment of the invention provides terminal equipment, and mainly aims to provide the terminal equipment with better waterproof effect after the roller is applied.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

in an embodiment of the present invention, the present invention provides a terminal device, including: the terminal equipment comprises a first casing, a second casing and a third casing, wherein the first casing forms a frame and a lower casing of the terminal equipment, and the frame of the first casing is provided with an opening; the second machine shell forms an upper shell of the terminal equipment, the second machine shell is connected with the first machine shell, and an accommodating groove is formed in the second machine shell; the roller is arranged in the accommodating groove, and the roller is partially arranged through the opening; the printed circuit board is adhered to the first shell, the printed circuit board covers the accommodating groove, and the roller is movably connected to the printed circuit board; the waterproof foam is arranged around the edge of the accommodating groove and is pressed between the printed circuit board and the edge of the accommodating groove; a fastener fastening the printed circuit board to the first chassis. The terminal equipment solves the waterproof problem after the roller is applied, so that the waterproof of the whole machine is ensured, and the normal pressing and rolling of the roller are not influenced. The roller is movably connected to the first casing through the fastener, and the connection mode can facilitate the buckling and the disassembling between the first casing and the second casing.

In addition, the terminal device according to the above embodiment of the present invention may further have the following additional technical features:

in some embodiments of the present invention, a connection surface between the first chassis and the printed circuit board is sealed by dispensing.

In some embodiments of the present invention, the mobile terminal further includes a device motherboard and a spring piece, the device motherboard is disposed on the second housing, and the device motherboard is electrically connected to the printed circuit board through the spring piece.

In some embodiments of the present invention, a boss is disposed on the first housing, a through hole is disposed in a middle portion of the boss, the fastening member has a fastening portion and a limiting portion, a radial dimension of the limiting portion is larger than that of the fastening portion, the fastening portion penetrates through the through hole, and the limiting portion abuts against the printed circuit board to press the printed circuit board against the first housing.

In some embodiments of the present invention, the waterproof foam includes a recessed portion and an extending portion, the recessed portion is annularly disposed around an edge of the receiving groove, and the extending portion is disposed at two ends of the ring and extends along the frame in a direction away from the recessed portion. The extension part is used for sealing and waterproofing the gap between the first casing and the second casing.

In some embodiments of the present invention, a center of the roller is disposed in the accommodating groove. The small part of the roller protrudes out of the first machine shell, so that the rolling roller is beneficial to improving the operation of a user.

In some embodiments of the present invention, the roller further includes an encoder disposed in the accommodating groove, the encoder is movably connected to the roller, the encoder is fixedly connected to the printed circuit board, and the encoder is configured to detect a relative movement of the roller. The user presses the roller wheel to enable the roller wheel to move relative to the encoder, and the encoder detects the relative movement of the roller wheel to achieve the confirming function of the volume.

In some embodiments of the present invention, the edge of the receiving groove is provided with a flange, and the waterproof foam is disposed along the flange.

In some embodiments of the present invention, the inner side of the flange is a receiving groove, the outer side of the flange is provided with a main board groove, and the equipment main board is arranged in the main board groove.

In some embodiments of the invention, the fastener is a breaker screw.

In some embodiments of the present invention, a decorative cover is disposed on an outer side of the first housing, and the decorative cover is used for protecting the first housing and shielding a through hole on the first housing.

Additional aspects and advantages of the invention 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 invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a first partial schematic diagram of a terminal device provided according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating an assembly of a printed circuit board and a roller of a terminal device according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating an assembly of waterproof foam and a roller of a terminal device according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating an assembly of a waterproof foam and a second housing of a terminal device according to an embodiment of the present invention;

fig. 5 is a partial schematic view of a whole terminal device provided according to an embodiment of the present invention;

FIG. 6 isbase:Sub>A schematic cross-sectional view A-A of FIG. 5;

FIG. 7 is a schematic view of an assembly of a fastener provided in accordance with an embodiment of the present invention inserted through a through-hole;

fig. 8 is a schematic structural diagram of a first chassis according to an embodiment of the present invention.

In the above figures: 1. a first housing; 11. a frame; 111. opening a hole; 12. a lower case; 13. a boss; 131. a through hole; 2. a second housing; 21. an upper shell; 22. accommodating grooves; 23. a flange; 24. a main plate groove; 3. a roller; 4. a printed circuit board; 5. waterproof foam; 51. a recessed portion; 52. an extension portion; 6. a fastener; 61. a fastening section; 62. a limiting part; 7. a device motherboard; 8. a spring plate; 9. an encoder; 10. and (6) decorating the shell.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Terminal devices according to some embodiments of the present invention are described below with reference to fig. 1 to 8.

The invention provides a terminal device, which comprises a first shell 1, a second shell 2, a roller 3, a printed circuit board 4 and waterproof foam 5.

The first housing 1 and the second housing 2 are connected in a matching manner, wherein the first housing 1 forms a frame 11 and a lower housing 12 of the terminal device, and the second housing 2 forms an upper housing 21 of the terminal device. When the mobile terminal is used, the direction facing the user is upward, that is, the second housing 2 is disposed above the first housing 1.

The frame 11 of the first housing 1 is provided with an opening 111, the second housing 2 is connected with the first housing 1, the accommodating groove 22 is formed in the second housing 2, the accommodating groove 22 is a circular groove, and the opening 111 and the accommodating groove 22 arranged on the frame 11 of the first housing 1 are communicated after the second housing 2 is connected with the first housing 1.

The roller 3 is disposed in the receiving groove 22, and the size of the receiving groove 22 is larger than that of the roller 3 so that the roller 3 is not affected by the size of the receiving groove 22 when rotating and moving. The roller 3 is partially disposed through the opening 111 of the first housing 1, so that the roller 3 is partially disposed outside the housing to facilitate the user to operate the roller 3.

Because the assembly relation and the dismouting relation of gyro wheel 3, if be connected gyro wheel 3 with second casing 2, because gyro wheel 3 bulges terminal equipment's complete machine outward appearance, can't carry out lock and dismantlement with first casing 1 and second casing 2. To solve this problem, the roller 3 is movably connected to the printed circuit board 4, and the roller 3 can roll and press against the printed circuit board 4. This connected mode is convenient for assembly lock and dismantlement between first casing 1 and second casing 2 on the one hand, and on the other hand is convenient for preferentially guarantee to connect stably between shell fragment 8 and equipment mainboard 7, realizes behind the functional stability between equipment mainboard 7 and printed circuit board 4, again with first casing 1 and second casing 2 looks lock connection.

The printed circuit board 4 is adhered to the first housing 1 by means of back adhesive, and simultaneously, the connection surface between the first housing 1 and the printed circuit board 4 is sealed by dispensing so as to seal all connection gaps between the first housing 1 and the printed circuit board 4. The center of the roller 3 is arranged in the accommodating groove 22, so that a small part of the roller 3 protrudes out of the first housing 1, and the operation of the rolling roller 3 by a user is improved.

In the present embodiment, the printed circuit board 4 is disposed to cover the accommodating groove 22. Waterproof bubble cotton 5 encircles the edge setting of holding tank 22, presses waterproof bubble cotton 5 to establish between the edge of printed circuit board 4 and holding tank 22 can play waterproof sealed effect under the not influenced condition of the roll of gyro wheel 3 itself and pressing. It should be noted that, the roller 3 and the printed circuit board 4 both adopt the roller 3 and the printed circuit board 4 with waterproof effect, and no additional waterproof treatment is required. The water entering the terminal device stays in the holding groove 22 of the second housing 2 and does not flow to the inside of the terminal device again under the sealing action of the waterproof foam 5.

The waterproof foam 5 in this embodiment includes a recessed portion 51 and an extending portion 52, and the recessed portion 51 is adhered to the edge of the accommodating groove 22 and is disposed annularly around the edge of the accommodating groove 22. The extending portions 52 are disposed at two ends of the annular recess 51, and the extending portions 52 are adhered to the second housing 2 and extend in a direction away from the recess 51 along the frame 11. The recess 51 is pressed between the printed circuit board 4 and the edge of the receiving groove 22, and the extension 52 is pressed between the first housing 1 and the second housing 2. The extension 52 serves to seal and waterproof the gap between the first housing 1 and the second housing 2.

Specifically, waterproof bubble cotton 5 is pasted on the edge of holding tank 22, and encircles the edge setting of holding tank 22, is provided with boss 13 on first casing 1, and boss 13 highly extends to and keeps level mutually with printed circuit board 4's thickness, and boss 13's middle part is provided with through hole 131, and fastener 6 wears to establish through hole 131 and fastens printed circuit board 4 and first casing 1.

Furthermore, the fastening member 6 has a fastening portion 61 and a limiting portion 62, the radial dimension of the limiting portion 62 is larger than the radial dimension of the fastening portion 61, and when the fastening portion 61 of the fastening member 6 penetrates the through hole 131, the limiting portion 62 of the fastening member 6 abuts against the printed circuit board 4 to press the printed circuit board 4 and the first housing 1.

Since the printed circuit board 4 is disposed to cover the accommodating groove 22, the printed circuit board 4 is disposed between the first housing 1 and the second housing 2. When the limiting portion 62 of the fastening member 6 abuts against the printed circuit board 4 to press the printed circuit board 4 and the first housing 1, the printed circuit board 4 will be pressed against the concave portion 51 of the waterproof foam 5 adhered to the edge of the accommodating groove 22, and meanwhile, the first housing 1 and the second housing 2 are buckled and connected to enable the first housing 1 to be pressed against the extending portion 52 of the waterproof foam 5 adhered to the second housing 2. Make between waterproof bubble cotton 5 and the first casing 1, between waterproof bubble cotton 5 and the second casing 2 through the extrusion of fastener 6 to and be complete encapsulated situation between waterproof bubble cotton 5 and the printed circuit board 4, thereby be separated from holding tank 22 and terminal equipment's inside absolutely, play sealed waterproof effect.

In this embodiment, the fastening member 6 is a board breaking screw, the board breaking screw is a large head screw, that is, one end of the board breaking screw is a fastening portion 61 with a smaller radial dimension, the fastening portion 61 is connected with a limiting portion 62 with a larger radial dimension, and the edge of the printed circuit board 4 is compressed between the limiting portion 62 and the first housing 1. The fastening portion 61 is provided with an external thread, the through hole 131 is provided with an internal thread which is matched with a board breaking screw, and the first housing 1 and the printed circuit board 4 are fastened by the board breaking screw passing through the through hole 131. In this embodiment, three fastening members 6 are provided around the printed circuit board 4, and the printed circuit board 4 is fixed by three-point fastening positions.

Because of the limitation of the thickness and size of the mobile terminal, the height of the boss 13 on the first housing 1 cannot meet the strength of the connection structure, and in some embodiments, the height of the boss 13 needs to be increased to increase the number of threads of the internal thread, so as to improve the structural strength of the connection with the boss 13 by increasing the number of threads matched with the breaker screw.

Printed circuit board 4 pastes on first casing 1 through the mode of gum, simultaneously, adopts the point to glue sealedly with the connection face between first casing 1 and printed circuit board 4 to seal up all connection gaps between first casing 1 and printed circuit board 4, further improve terminal equipment's water-proof effects.

In this embodiment, the edge of accommodating groove 22 is provided with flange 23, and waterproof bubble cotton 5 pastes and sets up on flange 23, and waterproof bubble cotton 5 sets up around accommodating groove 22 along flange 23, and the depressed part 51 of waterproof bubble cotton 5 pastes on flange 23 promptly, and sets up around flange 23. The inboard of flange 23 is holding tank 22, and the outside of flange 23 is provided with mainboard groove 24, is provided with equipment mainboard 7 in mainboard groove 24, is connected with shell fragment 8 between equipment mainboard 7 and printed circuit board 4, and equipment mainboard 7 passes through shell fragment 8 with electric connection printed circuit board 4. The device main board 7 of the present embodiment is used for giving a corresponding instruction to the scroll and the pressing of the scroll wheel 3.

In this embodiment, the decorative shell 10 is disposed on the outer side of the first housing 1, the decorative shell 10 is used for protecting the first housing 1, and the decorative shell 10 can shield the through hole 131 in the first housing 1, so as to improve the aesthetic effect of the terminal device.

In this embodiment, the terminal device further includes an encoder 9, and the encoder 9 is disposed in the accommodating groove 22 for detecting the relative movement of the roller 3. The encoder 9 is connected to the printed circuit board 4 by soldering, and the encoder 9 is connected to the roller 3 in a snap-fit manner, so that the roller 3 can move relative to the encoder 9, specifically, the roller 3 is rolled and pressed by a user. The volume is adjusted by rolling the roller 3, the roller 3 is pressed by the user to make the roller 3 move relatively to the encoder 9, and the encoder 9 detects the relative movement of the roller 3 to realize the volume confirmation function. When the user releases the roller 3, the roller 3 can be automatically reset. It should be noted that the encoder 9 is an encoder with waterproof effect, and no additional waterproof measure is needed.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A terminal device, comprising:

the terminal equipment comprises a first casing, a second casing and a third casing, wherein the first casing forms a frame and a lower casing of the terminal equipment, and the frame of the first casing is provided with an opening;

the second machine shell forms an upper shell of the terminal equipment, the second machine shell is connected with the first machine shell, and an accommodating groove is formed in the second machine shell;

the roller is arranged in the accommodating groove, and the roller is partially arranged through the opening;

the printed circuit board is adhered to the first shell, the printed circuit board covers the accommodating groove, and the roller is movably connected to the printed circuit board;

the waterproof foam is arranged around the edge of the accommodating groove and is pressed between the printed circuit board and the edge of the accommodating groove;

a fastener fastening the printed circuit board to the first housing;

the encoder sets up in the holding tank, encoder fixed connection in on the printed circuit board, the encoder with the gyro wheel lock is connected, so that the gyro wheel can for relative motion takes place for the encoder, the encoder is used for detecting the relative motion of gyro wheel is in order to realize the affirmation function of volume.

2. The terminal device of claim 1, wherein:

the fastener is provided with a fastening portion and a limiting portion, the radial size of the limiting portion is larger than that of the fastening portion, the fastening portion penetrates through the through hole, and the limiting portion is abutted to the printed circuit board so as to enable the printed circuit board to be tightly pressed with the first machine shell.

3. The terminal device of claim 1, wherein:

and the connection surface between the first shell and the printed circuit board is sealed by dispensing.

4. The terminal device of claim 1, wherein:

waterproof bubble is cotton including depressed part and extension, the depressed part is the annular and encircles the edge setting of holding tank, the extension sets up annular both ends are followed the frame is to keeping away from the direction of depressed part extends.

5. The terminal device of claim 4, wherein:

the circle center of the roller is arranged in the accommodating groove.

6. The terminal device of claim 1, wherein:

the equipment mainboard is arranged on the second shell and is electrically connected with the printed circuit board through the elastic sheet.

7. The terminal device of claim 6, wherein:

the edge of holding tank is provided with the flange, waterproof bubble is cotton follows the flange sets up.

8. The terminal device of claim 7, wherein:

the inboard of flange is the holding tank, the outside of flange is provided with the mainboard groove, the equipment mainboard sets up the mainboard inslot.

9. The terminal device of claim 2, wherein:

the outer side of the first machine shell is provided with a decorative shell which is used for protecting the first machine shell and shielding the through hole in the first machine shell.