CN104506674A - Mobile phone sealing structure and terminal - Google Patents

Abstract

The invention provides a mobile phone sealing structure, which includes a back shell, a battery cover, a first seal, and a second seal. The back shell is provided with a shell and a battery compartment opened in the shell. The casing of the shell is provided with a top wall and a side wall surrounding the opening of the battery compartment, the side wall is provided with a rear casing protrusion, and the second sealing member is injection-molded on the rear casing protrusion of the casing, The casing is also provided with a sealing groove, the sealing groove is opened on the top wall of the casing and is located on the outer periphery of the opening of the battery compartment, and the battery cover includes a cover body and a protrusion protruding against the cover body wall, the cover of the battery cover is buckled on the shell of the rear case, the cover is provided with a cover protrusion, the first sealing member is injection molded to cover the cover protrusion, and the first sealing member The second sealing member is pressed against the sealing groove of the rear case, and the second sealing member is pressed against the supporting wall of the battery cover. The mobile phone sealing structure of the present invention is provided with double-layer sealing protection, and has good sealing effect. The invention also provides a terminal.

Description

Mobile phone sealing structure and terminal

technical field

The invention relates to the field of communication equipment, in particular to a mobile phone sealing structure and a terminal provided with the mobile phone sealing structure.

Background technique

With the development and wide application of various portable terminals such as smart phones and tablet computers, people have higher and higher demands on waterproof functions of various terminals. There is an existing waterproof mobile phone, which protects its battery compartment from water by setting a mobile phone sealing structure. This type of mobile phone is usually provided with a sealing ring between the periphery of the battery compartment of the rear shell and the battery cover, so as to achieve waterproofing. However, this sealing method only uses a single mobile phone sealing structure, and there may be water seepage in experiments that require a high waterproof level.

Contents of the invention

A mobile phone sealing structure and a terminal with good sealing effect are provided.

A mobile phone sealing structure, comprising a back shell, a battery cover, a second seal, and a first seal, the back shell is provided with a shell, the shell is provided with a battery compartment, and the shell of the back shell is provided with The top wall and the side wall surrounding the opening of the battery compartment, the side wall is provided with a rear case protrusion, the second sealing member is injection-molded on the rear case protrusion of the housing, and the housing is also provided with There is a sealing groove, the sealing groove is opened on the top wall of the housing and is located on the outer periphery of the opening of the battery compartment, the battery cover includes a cover body and a resisting wall protruding relative to the cover body, the The cover body of the battery cover is fastened to cover the shell of the rear case, the cover body is provided with a cover body protrusion, the first sealing member is injection-molded on the cover body protrusion, and the first sealing member The second sealing member is pressed against the sealing groove of the rear shell, and the second sealing member is pressed against the supporting wall of the battery cover.

Further, the second sealing member and the sealing groove on the rear shell are in a closed ring shape.

Further, the first sealing member and the abutting wall on the battery cover are in a closed ring shape.

Further, the first seal forms an interference fit with the side of the sealing groove of the rear shell, and the second seal forms an interference fit with the side of the abutting wall of the battery cover.

Further, the first sealing member is coated on the protrusion of the battery cover by secondary injection molding, and the second sealing member is coated on the protrusion of the rear case by secondary injection molding.

Further, the second sealing member and the first sealing member are made of elastic soft rubber.

A terminal adopts the mobile phone sealing structure as mentioned above.

The sealing structure of the mobile phone and the terminal of the present invention form a first seal through the interference fit between the first sealing member of the battery cover and the side of the sealing groove of the rear case, and the second sealing member of the rear cover and the The interference fit of the side of the abutting wall of the battery cover forms a second seal, and this double seal protection has a good sealing effect.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the top view of the sealing structure of the mobile phone provided by the preferred embodiment of the present invention;

Fig. 2 is a schematic cross-sectional view of the mobile phone sealing structure shown in Fig. 1 along the X-X direction;

Fig. 3 is a partially enlarged schematic diagram of the sealing structure of the mobile phone shown in Fig. 2;

Fig. 4 is a top view of the back shell of the mobile phone sealing structure shown in Fig. 1;

Fig. 5 is a schematic cross-sectional view of the rear shell shown in Fig. 4 along the Y-Y direction;

Fig. 6 is a partially enlarged schematic view of the sealing structure of the mobile phone shown in Fig. 5 .

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Referring to FIG. 1 to FIG. 3 , a preferred embodiment of the present invention provides a mobile phone sealing structure, including a rear case 11 , a battery cover 13 , a second sealing member 15 , and a first sealing member 17 . The mobile phone sealing structure is set on portable terminals such as mobile phones, tablet computers, notebook computers, handheld game consoles or media players, and forms a sealing protection for such terminals to prevent liquids, dust, etc. from entering the interior of such terminals.

In this embodiment, the mobile phone sealing structure is arranged on the mobile phone, and seals the battery compartment of the mobile phone, thereby forming waterproof protection for the battery compartment of the mobile phone. It can be understood that the mobile phone as shown in the figure can also be provided with components such as a front panel, a frame, a display module, a touch module, and a control circuit, which will not be repeated here.

It can be understood that the mobile phone sealing structure described in this embodiment can be set on other terminals, such as tablet computers, notebook computers, handheld game consoles or media players, etc.; it can also be set on any such terminals that require sealing and waterproof protection Area.

Please refer to FIG. 4 to FIG. 6 , the rear case 11 has a top wall 111 and a side wall 113 , and the top wall 111 of the rear case 11 defines a sealing groove 115 . In this embodiment, the rear case 11 is in the shape of a hollow frame, the top wall 111 of the rear case 11 faces the side of the battery cover 13, and the side wall 113 of the rear case 11 is substantially perpendicular to the top wall. 111, and set towards the area to be sealed inside the mobile phone.

In this embodiment, the rear shell 11 is hollow, and its side wall 113 encloses an opening of the battery compartment for placing the battery. It can be understood that the rear shell 11 can be set to a suitable shape as required. For example, the rear shell 11 can also be set in a plate shape, and a concave recess is provided in the middle, so as to form a container for receiving The area to be sealed of the sealing part. The side wall 113 of the rear shell 11 can be enclosed in any shape according to the shape of the area to be sealed that needs to be sealed. Batteries or other electrical components requiring waterproof sealing can be arranged in the area to be sealed.

Further, the side wall 113 of the rear case 11 is provided with a rear case protrusion 1131, and the rear case protrusion 1131 protrudes toward the center of the rear case 11, and the second sealing member 15 is formed by secondary injection molding on the rear case. The rear case 11 is covered and the rear case protrusion 1131 of the rear case 11 is covered. The side wall 113 of the rear case 11 of the present invention is provided with rear case protrusions 1131, so that when the rear case 11 is assembled on the battery cover 13, the rear case 11 can be arranged against the rear case 11 through the rear case protrusions 1131 The second seal 15 between the battery cover 13 , so that the second seal 15 is deformed and tightly filled in the gap between the rear shell 11 and the battery cover 13 , ensuring the sealing effect of the second seal 15 .

Further, in this embodiment, the sealing groove 115 of the rear shell 11 is opened close to the side wall 113 of the rear shell 11, and the side wall of the tank body on the side of the sealing groove 115 of the rear shell 11 is the side wall 113 . In this embodiment, by arranging the sealing groove 115 close to the side wall 113, it is ensured that the first sealing member 17 arranged in the sealing groove 115 and the second sealing member 15 arranged close to the side wall 113 are mutually The second sealing member 15 and the first sealing member 17 can both apply a resisting force to the side wall 113 of the rear case 11 , further ensuring a stable connection between the rear case 11 and the battery cover 13 .

The battery cover 13 includes a cover body 131 and a resisting wall 133 protruding relative to the cover body 131 . The rear case protrusion 1131 of the rear case 11 protrudes toward the resisting wall 133 of the battery cover 13 . The battery cover 13 is used to cover the rear case 11 so as to seal and protect the rear case 11. When the cover body 131 of the battery cover 13 is buckled on the top wall 111 of the rear case 11 , the abutment wall 133 of the battery cover 13 is arranged inside the side wall 113 of the rear case 11 , The cover body 131 of the battery cover 13 covers the sealing groove 115 of the rear case 11 . There is a gap between the resisting wall 133 of the battery cover 13 and the side wall 113 of the rear case 11 . It can be understood that the size of the gap between the resisting wall 133 of the battery cover 13 and the side wall 113 of the rear case 11 can be adjusted as required. It is only necessary to ensure that when the cover 131 of the battery cover 13 is fastened to the rear case 11, the second sealing member 15 can be filled in the contact wall 133 of the battery cover 13 and the rear case 11. The gap between the side walls 113 is sufficient.

In this embodiment, the abutting wall 133 of the battery cover 13 is consistent with the side wall 113 of the rear case 11 , is also enclosed in a closed ring shape and is arranged inside the side wall 113 of the rear case 11 , Therefore, it is convenient to cooperate with the second sealing member 15 to form waterproof protection for the area enclosed by the abutting wall 133 of the battery cover 13 .

The battery cover 13 is further provided with a cover protrusion 135 connected to the cover 131 , and the cover protrusion 135 is disposed corresponding to the sealing groove 115 of the rear shell 11 . The first sealing member 17 is formed on the battery cover 13 by secondary injection molding and covers the cover protrusion 135 of the battery cover 13 . When the cover 131 of the battery cover 13 is fastened on the rear case 11, the cover protrusion 135 and the first sealing member 17 covering the cover protrusion 135 are placed on the rear case 11. In the sealing groove 115.

Further, the sealing groove 115 of the rear shell 11 is a closed annular groove provided outside the side wall 113 . It can be understood that, according to the structural configuration requirements of the mobile phone, the side wall 113 of the rear case 11 , the abutment wall 133 of the battery cover 13 and the sealing groove 115 can also be set to be non-closed.

In this embodiment, the second sealing member 15 and the first sealing member 17 are made of elastic materials. Further, the second sealing member 15 and the first sealing member 17 are made of elastic soft rubber.

When assembling the mobile phone sealing structure of the present invention, the battery cover 13 is buckled and covered on the rear case 11 . The second seal 15 is filled between the tank side wall 113 of the rear shell 11 and the abutment wall 133 of the battery cover 13 , and the first seal 17 is filled in the seal of the rear shell 11 slot 115. The second sealing member 15 is deformed under the abutting action of the rear casing protrusion 1131 of the rear casing 11 and exerts a resisting force on the side wall 113 of the rear casing 11 and the abutting wall 133 of the battery cover 13 , so The second sealing member 15 forms an interference fit with the side wall 113 of the rear shell 11 . The first sealing member 17 is deformed under the abutting action of the cover protrusion 135 of the battery cover 13 and exerts a resisting force on the side wall 113 of the rear case 11 , the first sealing member 17 and the The sealing groove 115 of the rear shell 11 forms an interference fit. The second sealing member 15 and the first sealing member 17 form a double-layer sealing protection between the rear case 11 and the battery cover 13, and because the rear case protrusion 1131 of the rear case 11 and the cover body protrusion 135 of the battery cover 13 Respectively resist the second seal 15 and the first seal 17 in different directions, so that the second seal 15 and the first seal 17 are deformed in different directions, not only ensuring that the second seal 15 and the first seal 17 It is in a certain compressed state and provides sealing protection in different directions.

The present invention also provides a terminal, which adopts the above-mentioned mobile phone sealing structure.

In the mobile phone sealing structure and terminal of the present invention, a sealing groove 115 and a side wall 113 are provided on the rear case 11 , and a resisting wall 133 is provided inside the side wall 113 of the rear case 11 . The second sealing member 15 is disposed between the side wall 113 and the resisting wall 133 , and the first sealing member 17 is disposed in the sealing groove 115 of the rear case 11 , thereby forming a double-layer sealing protection. And by setting the rear shell protrusion 1131 and the cover protrusion 135 protruding in different directions to respectively resist the second sealing member 15 and the first sealing member 17, it is ensured that the second sealing member 15 and the first sealing member 17 are filled in the rear The gap between the shell 11 and the battery cover 13 forms an interference fit to improve the sealing effect.

What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Those of ordinary skill in the art can understand all or part of the process of realizing the above embodiments, and according to the rights of the present invention The equivalent changes required still belong to the scope covered by the invention.

Claims (7)

1. A sealing structure for a mobile phone, characterized in that it comprises a rear shell, a battery cover, a first seal, and a second seal, the rear shell is provided with a housing, the housing is provided with a battery compartment, and the rear The casing of the shell is provided with a top wall and a side wall surrounding the opening of the battery compartment, the side wall is provided with a rear casing protrusion, and the second sealing member is injection-molded on the rear casing protrusion of the casing, The casing is also provided with a sealing groove, the sealing groove is opened on the top wall of the casing and is located on the outer periphery of the opening of the battery compartment, and the battery cover includes a cover and a protruding part relative to the cover. against the wall, the cover body of the battery cover is buckled on the shell of the rear case, the cover body is provided with a cover body protrusion, and the first sealing member is injection-molded on the cover body protrusion, The first sealing element is against the sealing groove of the rear shell, and the second sealing element is against the abutting wall of the battery cover. 2 . The sealing structure of the mobile phone according to claim 1 , wherein the second sealing member and the sealing groove on the rear case are in a closed ring shape. 3 . 3 . The sealing structure of the mobile phone according to claim 2 , wherein the first sealing member and the abutting wall on the battery cover are in a closed ring shape. 4 . 4. The mobile phone sealing structure according to claim 1, wherein the first sealing member forms an interference fit with the side of the sealing groove of the rear case, and the contact between the second sealing member and the battery cover The sides of the retaining wall form an interference fit. 5. The sealing structure of the mobile phone according to claim 1, wherein the first sealing member is coated on the battery cover protrusion by secondary injection molding, and the second sealing member is coated on the rear shell by secondary injection molding raised. 6. The mobile phone sealing structure according to claim 5, wherein the second sealing member and the first sealing member are made of elastic soft glue. 7. A terminal, characterized in that it adopts the mobile phone sealing structure according to any one of claims 1 to 6.