CN107833775A - Waterproof assembly, mobile terminal and assembling method of waterproof assembly - Google Patents

Abstract

The application discloses provide a waterproof assembly relates to the waterproof technical field of mobile terminal, and this waterproof assembly includes: the mainboard upper cover is provided with an accommodating groove and a side key groove communicated with the accommodating groove; the side key switch is accommodated in the accommodating groove; the waterproof piece is accommodated in the accommodating groove and comprises a hard rubber frame and a soft rubber piece which is sleeved on the hard rubber frame and is arranged in a close fit manner, and the side key switch is arranged in a fit manner with the soft rubber piece; and the side key is partially positioned in the side key groove and is buckled on the inner wall of the side key groove surrounded by the main board upper cover, and the side key is attached to the soft rubber piece and is arranged opposite to the side key switch. This application with waterproof piece and side key switch holding in this storage tank to set up waterproof piece between side key and side key switch, and then improve the mobile terminal who uses at waterproof component greatly and have good waterproof performance in the position of side key. The present application also provides a mobile terminal comprising a waterproof assembly as described above and a method of assembling a waterproof assembly as described above.

Description

Waterproof component, mobile terminal, and assembly method of waterproof component

technical field

The present application relates to the field of structural design, in particular to a waterproof component, a mobile terminal, and an assembly method of the waterproof component.

Background technique

With the development of smart phone technology, smart phones are becoming more and more popular, and there are more and more usage scenarios of smart phones. Many users often hold or use their smart phones while doing other things. If the smart phone comes into contact with water accidentally, the water entering the smart phone may cause serious damage to the smart phone, so now more and more Smartphones are partially waterproof. However, there are basically no waterproof parts for the position where the side keys are set, and the waterproof performance is poor.

Contents of the invention

The present application provides a waterproof component, a mobile terminal, and an assembly method of the waterproof component, which can make the mobile terminal have better waterproof performance.

A technical solution adopted by this application is to provide a waterproof component, including:

The upper cover of the main board is provided with an accommodating slot and a side keyway communicating with the accommodating slot;

a side key switch, accommodated in the accommodating groove;

The waterproof part is accommodated in the accommodating groove, and the waterproof part includes a hard plastic frame and a soft rubber part that is set close to the hard plastic frame, and the side key switch is attached to the soft rubber part settings; and

The side key is partly located in the side keyway, and is buckled on the inner wall of the main board upper cover surrounding the side keyway. The side key is attached to the soft rubber part and is arranged opposite to the side key switch.

The present application also provides a mobile terminal, including the waterproof assembly described above.

The present application also provides a method for assembling a waterproof component, comprising the following steps:

buckle the side key on the inner wall surrounding the side keyway on the main board upper cover, so that a part of the side key is located in the side keyway;

Mounting the side key switch on the waterproof member to form an integral body;

The assembly of the side key switch and the waterproof member is assembled into the accommodating groove of the upper cover of the main board, so that the side key is arranged opposite to the side key switch.

In the present application, by opening an accommodating groove on the upper cover of the main board, and accommodating the waterproof part and the side key switch in the accommodating groove, a waterproof part is provided between the side key and the side key switch, thereby greatly improving the use of The mobile terminal of the waterproof component has good waterproof performance at the position of the side key.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic structural diagram of a waterproof assembly according to an embodiment of the present application;

Fig. 2 is a schematic diagram of an exploded structure of a waterproof part and a side key switch according to an embodiment of the present application;

Fig. 3 is a structural schematic diagram of an angle of a waterproof member in an embodiment of the present application;

Fig. 4 is a structural schematic diagram of the assembly of the waterproof part and the side key switch shown in Fig. 2;

Fig. 5 is a structural schematic diagram of the assembly shown in Fig. 4 being assembled to the upper cover of the motherboard to form a waterproof assembly;

Fig. 6 is a schematic structural sectional view of the waterproof assembly shown in Fig. 5 along the a-a direction;

Fig. 7 is a structural schematic diagram of another angle of the waterproof member in an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;

FIG. 9 is a schematic flowchart of a method for assembling a waterproof component according to an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the specific embodiments described here are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only some structures related to the present application are shown in the drawings but not all structures. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The terms "first", "second", and "third" in this application are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. All directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship between the various components in a certain posture (as shown in the drawings) , sports conditions, etc., if the specific posture changes, the directional indication also changes accordingly. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to FIG. 1 , the present application provides a waterproof assembly 100 , which is used in electronic devices such as mobile terminals to improve the waterproof performance of the side keys of the mobile terminal. The waterproof assembly 100 includes a mainboard cover 10 , a waterproof component 20 connected to the mainboard cover 10 , a side key switch 30 attached to the waterproof component 20 , and a side key 40 opposite to the side key switch 30 .

In one embodiment, the mainboard cover 10 includes an inner part 12 , an outer part 14 and a plastic part 16 sandwiched between the inner part 12 and the outer part 14 . Further, in this embodiment, the built-in part 12, the exterior part 14 and the plastic part 16 are integrally formed by injection molding. Furthermore, both the built-in part 12 and the exterior part 14 are alloy parts, such as aluminum alloy. Specifically, an accommodating groove 122 is defined on the built-in component 12 , and the accommodating groove 122 is used for accommodating the waterproof component 20 and the side key switch 30 . The appearance part 14 and the plastic part 16 define a side key groove 142 communicating with the accommodating groove 122 , and the side key groove 142 is used for accommodating the side key 40 . In other embodiments, the motherboard cover 10 may not include a separate built-in part 12 , an exterior part 14 and a plastic part 16 , but a single alloy or plastic part.

The side key switch 30 is accommodated in the accommodating groove 122 and is closely attached to the waterproof member 20 .

The waterproof component 20 is accommodated in the accommodating groove 122 of the motherboard cover 10 . The waterproof component 20 includes a hard rubber frame 22 and a soft rubber component 24 sleeved on the hard rubber frame 22 and closely attached to it. Specifically, the hard rubber frame 22 forms a closed ring-shaped frame body or a frame body with an opening, and is sleeved with the soft rubber part 24 and arranged in close contact. Further, referring to FIG. 3 , in one embodiment, a part of the peripheral edge of the hard plastic frame 22 extends away from the side key 40 to form a plurality of fixing pieces 222 , and the plurality of fixing pieces 222 surround to form an accommodating cavity 224 . Specifically, in one embodiment, the side key switch 30 is fixedly connected to a flexible printed circuit board 60, and the flexible printed circuit board 60 is just snapped and accommodated in the accommodating cavity 224, so that the side key switch 30 is closely attached to Combined soft rubber part 24 is arranged, as shown in Figure 2. Further, in this embodiment, the hard rubber frame 22 and the soft rubber part 24 are integrally formed by injection molding.

The hard rubber frame 22 is a hard part made of a hard material, such as one of metal, alloy or plastic, and the soft rubber part 24 is made of a soft rubber material, such as silica gel. The hard rubber frame 22 is a rigid frame with a stable structure, which can well stretch and fix the soft rubber part 24, so that the side of the soft rubber frame 24 close to the side key 40 is closely attached to the inner wall of the accommodating groove 122. To avoid water infiltration from the top of the soft rubber frame 24, to ensure good waterproof performance.

Refer to the accompanying drawings, in which Fig. 4 is a schematic diagram of the structure of the side key switch assembled on the waterproof part, Fig. 5 is a schematic diagram of the structure after the assembly shown in Fig. Schematic diagram of the cross-sectional structure of the module along the a-a direction.

Specifically, in one embodiment, referring to FIG. 6 , the soft rubber part 24 includes a joint part 242 and a peripheral part 244 integrally formed with the joint part 242 at the edge. The peripheral portion 244 and the top end of the joint portion 242 form a locking position, and the hard plastic frame 22 is nested on the locking position to realize the combination of the two. In this embodiment, the soft rubber part 24 and the hard rubber frame 22 are integrally formed by injection molding, and in other embodiments, the two can also be attached by an adhesive layer.

In conjunction with FIG. 3 , optionally, in one embodiment, a groove 246 is formed on a side of the coupling portion 242 away from the side key 40 , and the side key switch 30 is accommodated in the groove 246 . Such an arrangement can make the side key switch 30 fit on the soft rubber part 24 more closely, so as to ensure that the user can control the side key switch 30 without using relatively large pressing force.

Further, in combination with FIG. 6 and FIG. 7 , in one embodiment, the soft rubber part 24 forms a recessed portion 248 and a peripheral portion 244 surrounding the recessed portion 248 toward the side key 40 , and the recessed portion 248 is attached to the side key 40 The combined position forms a bump 2482. The protrusion 2482 is interposed between the side key 40 and the side key switch 30. The setting of the protrusion 2482 enables the user to press the side key 40, most of the pressing force of the user can directly act on the protrusion 2482, thereby better It acts on the side key switch 30 and at the same time makes the user feel better when pressing the side key 40 . In other embodiments, the side of the soft rubber part 24 facing the side key 40 may also be only a plane or other surfaces, as long as the force received by the side key 40 can act on the side key switch 30 .

The side key 40 is buckled on the inner wall of the side key groove 142 surrounding the main board upper cover 10, so that the side key 40 is detachably connected to the appearance part 14, and a part is located in the side key groove 142, and is attached to the soft rubber part 24, and at the same time Set opposite to the side key switch 30 . Specifically, two ends of the side key 40 are provided with engaging portions 42 , and the engaging portion 42 is used for better engaging and connecting the side key 40 on the inner wall surrounding the side key groove 142 . In other embodiments, the side key 40 may also be connected to the inner wall surrounding the side key hole 142 by riveting or glueing.

Further, in one embodiment, a protrusion 44 is formed on the side key 40 facing the side key switch 30 , and the protrusion 44 is in close contact with the soft rubber part 24 and is disposed opposite to the side key switch 30 . Such a structural arrangement enables the user to control the side key switch 30 by simply pressing the side key 40 .

In one embodiment, the waterproof assembly 100 further includes a sealing member 50 formed on the side of the soft rubber member 24 facing the side key 40 . Adopting such a structure can ensure that the entire waterproof member 20 fits more closely on the inner wall surrounding the accommodating groove 122 to ensure good airtightness, thereby ensuring that the mobile terminal device applied to the waterproof assembly 100 has a Better waterproof performance. It can be understood that, in the embodiment where the soft rubber part 24 forms a concave portion 248 facing the side key 40 and the peripheral portion 244 surrounding the concave portion 248 , the sealing member 50 is formed on the peripheral portion 244 . And when the waterproof member 20 is accommodated in the accommodating groove 122 of the main board upper cover 10, the end face of the sealing member 50 away from the side key switch 30 is closer to the side key 40 than the end face of the protrusion 2482 away from the side key switch 30, so as to ensure softness. The glue part 24 fits seamlessly with the inner wall surrounding the accommodating groove 122 , thereby further improving the waterproof performance of the waterproof assembly 100 . In the above embodiments, the sealing member 50 is an annular sealing ring. In other embodiments, the sealing member 50 may also be in a non-sealed shape with an opening.

It can be understood that, in one embodiment, the sealing member 50 and the soft rubber member 20 are integrally formed by injection molding. In this way, the sealing member 50 and the soft rubber member 20 can be combined more firmly.

The present application also provides a mobile terminal 200, which has a waterproof component as described in any one of the above embodiments, as shown in FIG. 8 , the side key 40 of the waterproof component is shown in the mobile terminal 200 . Specifically, the mobile terminal 200 in this application may be a mobile phone, an IPad, a smart wearable device, a digital audio and video player, an e-reader, a handheld game console, a vehicle electronic device, a digital camera, a printer, and a flash drive.

The present application also provides a method for assembling a waterproof component. In one implementation, the method includes the following steps:

110: Buckle the side key on the inner wall of the side keyway on the upper cover of the main board, so that a part of the side key is located in the side keyway.

120: Mount the side key switch on the waterproof part to form an integral body.

130: Assemble the assembly of the side key switch and the waterproof part into the accommodating groove of the upper cover of the main board, so that the side key and the side key switch are arranged opposite to each other.

Because the soft rubber part 24 on the waterproof part 20, or the soft rubber part 24 and the sealing part 50 have a certain degree of elasticity, it can produce a certain deformation to facilitate the assembly of the side key switch 30 and the waterproof part 20 into the accommodating groove 122. , and make corresponding deformation adjustments when the force is applied, so that the side key switch 30 is aligned with the protrusion 44 on the side key 40 and the bump 2482 on the soft rubber part 24 . The arrangement of the soft rubber part 24 and the sealing part 50 can well fill the gap between the side key switch 30 and the side key 40, thereby achieving a good waterproof effect and improving the waterproof performance of the mobile terminal 200 to which the waterproof component 100 is applied. . In addition, the waterproof member 20 provided in the present application has simple structure, simple production process, low cost and strong practicability.

The above is only the implementation of the application, and does not limit the patent scope of the application. Any equivalent structure or equivalent process conversion made by using the specification and drawings of the application, or directly or indirectly used in other related technologies fields, are all included in the scope of patent protection of this application in the same way.

Claims (13)

1. A kind of 1. water repellent component, it is characterised in that including：

   Covered on mainboard, open up storage tank and the side switch groove connected with the storage tank；

   Side key switch, it is contained in the storage tank；

   Waterproof case, it is contained in the storage tank, the waterproof case includes ebonite frame and be arranged with the ebonite frame to be close to set The flexible glue part put, the side key switch are bonded the flexible glue part and set；And

   Side switch, partly in the side switch groove, and it is buckled in lid on the mainboard and encloses on the inwall for setting the side switch groove, it is described Side switch is bonded with flexible glue part and is oppositely arranged with the side key switch.
2. 2. water repellent component as claimed in claim 1, it is characterised in that the flexible glue part is formed towards the side switch side and is recessed Portion and the outer part for setting the depressed part is enclosed, and projection is formed in the position that the depressed part is bonded with the side switch, it is described Projection is folded between the side switch and the side key switch.
3. 3. water repellent component as claimed in claim 2, it is characterised in that also formed including seal, the seal described On outer part, and relatively described end face of the projection away from the side key switch in end face of the seal away from the side key switch Closer to the side switch.
4. 4. water repellent component as claimed in claim 1, it is characterised in that also formed including seal, the seal described Flexible glue part is towards the side switch side.
5. 5. the water repellent component as described in claim 3 or 4, it is characterised in that the seal and the flexible glue part integrated injection molding Shaping.
6. 6. water repellent component as claimed in claim 1, it is characterised in that the flexible glue part and the ebonite frame integrated injection molding into Type.
7. 7. water repellent component as claimed in claim 1, it is characterised in that the side switch forms convex towards the side key switch side Rise, it is described raised to be close to the flexible glue part and be oppositely arranged with the side key switch.
8. 8. water repellent component as claimed in claim 1, it is characterised in that also including flexible circuit board, the side key switch The flexible circuit board is fixedly connected on, the edge part of the ebonite frame extends to be formed away from the side switch direction Multiple fixtures, and the multiple fixture encloses and sets to form accommodating cavity, engaging is contained in institute to the flexible circuit board just State in accommodating cavity.
9. 9. water repellent component as claimed in claim 1, it is characterised in that the flexible glue part includes joint portion and positioned at edge With the integrally formed outer part in the joint portion, the outer part and the top of the joint portion form engaging position, the ebonite Frame is nested in the engaging position.
10. 10. water repellent component as claimed in claim 9, it is characterised in that the joint portion forms recessed away from the side switch side Groove, the side key switch are placed in the groove.
11. 11. water repellent component as claimed in claim 1, it is characterised in that on the mainboard lid include built-in part, appearance member and The plastic parts being located between the built-in part and the appearance member, the storage tank are located on the built-in part, the side switch Groove is through the appearance member and the plastic parts.
12. 12. a kind of mobile terminal, it is characterised in that including the water repellent component as described in claim 1-11.
13. 13. a kind of assembly method of water repellent component, it is characterised in that comprise the following steps：

    Side switch is buckled in into lid on the mainboard to enclose on the inwall for setting the side switch groove, makes a part for the side switch positioned at described In side switch groove；

    The side key switch is mounted on the waterproof case to form one；

    The component that the side key switch and the waterproof case are assemblied together is fitted into the storage tank covered on the mainboard, made Side switch is oppositely arranged with the side key switch.