CN111916947A

CN111916947A - Mobile terminal

Info

Publication number: CN111916947A
Application number: CN201910377511.8A
Authority: CN
Inventors: 高善会; 历彦波; 刘克俭; 胡罡罡
Original assignee: Hisense Electronic Technology Shenzhen Co ltd
Current assignee: Hisense Electronic Technology Shenzhen Co ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-11-10
Anticipated expiration: 2039-05-07
Also published as: CN111916947B

Abstract

The invention discloses a mobile terminal, relates to the technical field of structural design of mobile terminals, and aims to solve the problems that a traditional side hole waterproof product of a mobile terminal is poor in plugging experience and sealing performance. The mobile terminal comprises a terminal body, wherein the side wall of the terminal body is provided with a side hole, and the mobile terminal also comprises a side waterproof plug, wherein the side waterproof plug comprises a first body made of hard plastic materials; the first body comprises a plugging part and a sealing part, and the plugging part is fixedly connected with the sealing part; the sealing part is wrapped with a silica gel sleeve, and the sealing part and the silica gel sleeve are of an integrally formed structure; the silica gel cover is wrapped on the sealing portion and is in interference fit with the side hole of the mobile terminal. The mobile terminal is used for sealing and waterproofing the side hole of the mobile terminal.

Description

Mobile terminal

Technical Field

The invention relates to the technical field of mobile terminal structure design, in particular to a mobile terminal.

Background

The waterproof plug is inserted into a side hole (such as an earphone hole, a USB hole, a card support hole and the like in a three-prevention portable terminal) of a traditional mobile terminal, the appearance part of the waterproof plug, which is positioned outside the side hole of the mobile terminal, and the sealing part inserted into the side hole of the mobile terminal are made of TPU (Thermoplastic polyurethane elastomer) materials, and the sealing waterproof surface of the sealing part of the waterproof plug is in interference fit with the side hole of the mobile terminal.

However, the hardness of the TPU material is 70-95 degrees, and in the process of plugging and unplugging the waterproof plug, because the TPU material is soft, when fingers act on the appearance part, the appearance part is deformed, a good acting point cannot be generated, the hand feeling is relatively hard, and the experience is poor. Meanwhile, the TPU material has poor rebound resilience, and after the mobile terminal passes through severe environments such as high temperature and high humidity, the size of a sealing waterproof surface of a sealing part of the waterproof plug is changed, so that the plugging hand feeling difference and the waterproof performance change are easily caused.

In the existing product, the waterproof effect and the plugging hand feeling are mainly improved by optimizing the hardness of the TPU material and the interference fit size, but the hardness of the TPU material can only be optimized within the hardness range of the TPU material, the characteristics of the TPU material cannot be changed, and the interference fit size can only be improved within the allowable range of practical application, so that the defects of the TPU material cannot be overcome. Therefore, the waterproof effect and the plugging hand feeling of the waterproof plug are not obviously improved.

Disclosure of Invention

The mobile terminal provided by the embodiment of the invention can provide better sealing stability and better plugging hand feeling for the side waterproof plug.

In order to achieve the above object, an embodiment of the present invention provides a mobile terminal, including a terminal body, a side hole disposed on a side wall of the terminal body, and a side waterproof plug, where the side waterproof plug includes a first body made of a hard plastic material; the first body comprises a plugging part and a sealing part, and the plugging part is fixedly connected with the sealing part; the sealing part is wrapped with a silica gel sleeve, and the sealing part and the silica gel sleeve are of an integrally formed structure; the sealing part wrapped by the silica gel sleeve is in interference fit with the side edge hole.

According to the mobile terminal provided by the embodiment of the invention, the side waterproof plug comprises the first body made of the plastic material, and due to the characteristic of the hard material of the first body, when a finger acts on the plugging part of the first body in the plugging process, the first body cannot be easily deformed, a better acting point can be generated, the waterproof plug can be smoothly pulled out, and the plugging hand feeling of the waterproof plug is improved; simultaneously the parcel has the silica gel cover on the sealing of first body, and the parcel has the sealing of silica gel cover and mobile terminal's side hole interference fit, because the better resilience of silica gel material self and thermal stability, even can not lead to sealed face size change under high temperature environment yet, has improved the sealing performance of mobile terminal waterproof plug.

Furthermore, at least one first through hole is arranged on the sealing part; the silica gel cover is internally provided with first plug connectors which are in one-to-one correspondence with the first through holes, the first plug connectors are respectively inserted into the corresponding first through holes, and the silica gel cover and the first plug connectors are integrally formed.

Furthermore, a glue pulling groove is formed in the outer wall of the sealing portion, a boss corresponding to the glue pulling groove is arranged on the inner wall of the silica gel sleeve, the boss is inserted into the glue pulling groove, and the silica gel sleeve and the boss are integrally formed.

Furthermore, a raised waterproof ring is arranged on the outer wall of the silica gel sleeve.

Furthermore, the plug part further comprises a second body made of TPU elastomer material, the second body and the sealing part are respectively arranged on two sides of the plug part, and the second body is fixedly connected with the plug part.

Furthermore, at least one second plug connector is arranged on the second body; the first body is provided with second through holes corresponding to the second plug connectors one to one, the second plug connectors are respectively inserted into the corresponding second through holes, and the second body and the second plug connectors are integrally formed.

Furthermore, a bone position is arranged on the second body, a rubber bone corresponding to the bone position is arranged on the first body, the rubber bone is inserted into the bone position, and the first body and the rubber bone are integrally formed.

Furthermore, the edge of the plugging part is provided with a blind groove, and the blind groove is used for forming a gap between the plugging part and the outer wall of the mobile terminal.

Furthermore, a through hole is formed in the edge of the first body, a connecting piece is fixedly arranged on the second body corresponding to the through hole, and the free end of the connecting piece penetrates through the through hole and is used for being connected with a mobile terminal.

Furthermore, the first body and the second body are formed by double-shot injection molding, and the silica gel sleeve is formed by injection molding of an insert in a mold.

Drawings

Fig. 1 is a schematic view of an overall structure of a side waterproof plug of a mobile terminal according to an embodiment of the present invention;

fig. 2 is a front view of a side waterproof plug of the mobile terminal according to the embodiment of the present invention;

FIG. 3 is a cross-sectional view B-B of FIG. 2;

fig. 4 is a schematic structural diagram of a first body of a side waterproof plug of a mobile terminal according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a side waterproof plug silica gel cover of the mobile terminal according to the embodiment of the invention;

FIG. 6 is a cross-sectional view of a side waterproof plug silica gel cover of the mobile terminal according to the embodiment of the invention;

fig. 7 is a schematic structural view of a second body of a side waterproof plug of a mobile terminal according to an embodiment of the present invention;

fig. 8 is a schematic view of a connection structure between a first body and a second body of a side waterproof plug of a mobile terminal according to an embodiment of the present invention;

fig. 9 is a front view of a connection structure of a first body and a second body of a side waterproof plug of a mobile terminal according to an embodiment of the present invention;

FIG. 10 is a cross-sectional view A-A of FIG. 9;

fig. 11 is a front view of a mobile terminal according to an embodiment of the present invention;

FIG. 12 is an enlarged view of a portion A of FIG. 11;

fig. 13 is a left side view of the mobile terminal according to the embodiment of the present invention;

FIG. 14 is an enlarged view, partially in section, of portion B of FIG. 13;

fig. 15 is a schematic view of a connection structure between a mobile terminal and a side waterproof plug according to an embodiment of the present invention.

Detailed Description

The following describes a mobile terminal according to an embodiment of the present invention in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

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 description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 15, the mobile terminal according to the embodiment of the present invention includes a terminal body 18, a side hole is disposed on a side wall of the terminal body 18, and a side waterproof plug 19, where the side waterproof plug 19 includes a first body 1 made of a hard plastic material; the first body 1 comprises a plugging part 2 and a sealing part 3, and the plugging part 2 is fixedly connected with the sealing part 3; the sealing part is wrapped with a silica gel sleeve, and the sealing part and the silica gel sleeve are of an integrally formed structure; the sealing part 3 wrapped with the silica gel sleeve 4 is in interference fit with the side edge hole.

According to the mobile terminal provided by the embodiment of the invention, the first body 1 is preferably made of PC (Polycarbonate) plastic material, when the waterproof plug is opened, fingers act on the first body 1, the first body 1 cannot deform, and a better acting point is generated, so that the harder first body 1 can be easily buckled, and the plugging hand feeling during use is improved; the parcel has silica gel cover 4 on the sealing 3 of first body 1, and the preferred liquid silica gel material of this silica gel cover 4, and be the integrated into one piece structure between the sealing 3 to the parcel has and adopts interference fit between the sealing 3 of silica gel cover 4 and the mobile terminal side hole, because the silica gel material has better resilience and thermal stability, it also can not lead to sealed face size on the silica gel cover 4 to change through high temperature environment, has effectively improved the sealing stability of waterproof stopper.

Because the silicone sleeve 4 is wrapped on the sealing part 3, although the silicone sleeve and the sealing part 3 are integrally formed, in order to make the combination of the overall structure more stable, a reinforcing structure still needs to be arranged, as shown in fig. 4, 5 and 6, at least one first through hole 5 is arranged on the sealing part 3; the silica gel cover 4 is internally provided with a first plug connector 6 which is in one-to-one correspondence with the first through holes 5, and the silica gel cover 4 and the first plug connector 6 are integrally formed. Through the structure of pegging graft each other of first through-hole 5 and first plug connector 6, the first body 1 that the PC plastic material was made combines the back with the silica gel cover 4 that liquid silica gel material was made, and the contact surface between the two increases, makes overall structure more firm, difficult separation.

The reinforcing structure between the silica gel sleeve 4 and the sealing part 3 has various forms, and a single structure can cause over-concentrated stress, so that in order to further improve the stability of the whole structure, the embodiment of the invention adopts a mode of mutually matching two structures, as shown in fig. 4, 5 and 6, the outer wall of the sealing part 3 is provided with a glue pulling groove 7, the inner wall of the silica gel sleeve 4 is provided with a boss 8 corresponding to the glue pulling groove 7, the silica gel sleeve 4 and the boss 8 are integrally formed, and the glue pulling groove 7 is mutually inserted with the boss 8, so that the sealing part 3 is tightly matched with the silica gel sleeve 4. Through the glue groove 7 that draws that sets up on 3 outer walls of inside first through-holes 5 of sealing portion and sealing portion 3, cooperate first plug connector 6 and boss 8, form two kinds of reinforced structure of pegging graft each other to two kinds of reinforced structure do not have the influence each other, further improve overall structure's stability, make the difficult separation of overall structure, prolong the life of waterproof stopper.

Because the waterproof plug is tightly connected with the side hole of the mobile terminal, the silica gel sleeve 4 wrapped on the sealing part 3 is in interference fit with the side hole of the mobile terminal, therefore, the size of the outer ring of the silica gel sleeve 4 is required to be larger than that of the inner ring of the side hole of the mobile terminal, meanwhile, in order to ensure that the waterproof plug is smoothly inserted into the side hole when in use, the embodiment of the invention adopts the mode that the convex waterproof ring 9 is arranged on the outer wall of the silica gel sleeve 4, as shown in figures 5 and 6, the size of the outer ring of the waterproof ring 9 is larger than that of the inner ring of the side hole, the size of the outer ring of the end part of the silica gel sleeve 4 is smaller than that of the inner ring of the side hole, when in the side hole, the end part of the silica gel sleeve 4 is firstly inserted into the side hole, and external force is slightly applied to integrally insert the sealing part 3 wrapped with the silica gel sleeve 4 into the side hole, at, the pressed waterproof ring 9 plays a role of sealing and waterproofing.

The mobile terminal provided by the embodiment of the present invention further includes a second body 10 made of TPU (Thermoplastic polyurethane elastomer rubber) elastomer material, as shown in fig. 7 and 8, the second body 10 and the sealing portion 3 are respectively disposed on two sides of the inserting and extracting portion 2, and the second body 10 is fixedly connected to the inserting and extracting portion 2. The second body 10 serves as an appearance part, and the edge part of the mobile terminal can be protected from being damaged.

Because the first body 1 is made of PC plastic material, the second body 10 is made of TPU elastomer material, and the two are fixedly connected, and structurally, the two are mutually attached from surface to surface, in order to improve the connection stability of the first body 1 and the second body 10, in the embodiment of the present invention, two ways of reinforcing structures are adopted to match, so as to improve the stability of the whole structure, as shown in fig. 4, 7, 8, 9 and 10, at least one second connector 11 is arranged on the second body 10; the first body 1 is provided with second through holes 12 corresponding to the second plug connectors 11 one to one, and the second body 10 and the second plug connectors 11 are integrally formed. Through the mutual grafting between second through-hole 12 and the second plug connector 11, thereby realize first body 1 and second body 10 closely cooperate, have improved the stability of being connected of first body 1 with second body 10, difficult separation.

Furthermore, a bone position 13 is arranged on the second body 10, a rubber bone 14 corresponding to the bone position 13 is arranged on the first body 1, the first body 1 and the rubber bone 13 are integrally formed, and the first body 1 and the second body 10 are tightly matched by inserting the bone position 13 and the rubber bone 14 into each other. The second through hole 12 on the first body 1 is inserted through the second plug connector 11 on the second body 10, and the bone position 13 is mutually inserted with the rubber bone 14, so that two reinforcing structures are formed, the contact surface between the first body 1 and the second body 10 is increased, the friction force is increased, the first body 1 and the second body 10 are prevented from being separated from each other, the connection stability between the first body 1 and the second body 10 is ensured, and the service life of the waterproof plug is prolonged.

It should be noted that the bone 13 is formed by providing criss-cross grooves on the contact surface of the second body 10 and the first body, the rubber ribs 14 are formed by providing criss-cross protrusions corresponding to the bone 13 on the contact surface of the first body 1 and the second body 10, and the rubber ribs 14 are inserted into the bone 13 when the first body 1 is connected with the second body 10.

Preferably, in the embodiment of the present invention, the connection surface between the first body 1 and the second body 2 and the first plug connector 6 are parallel to each other, and the connection surface between the first body 1 and the second body 2 and the second plug connector 11 are perpendicular to each other, that is, the first plug connector 6 and the second plug connector 11 are perpendicular to each other and do not intersect with each other, so that the silicone sleeve 4 is connected with the sealing portion 3 of the first body 1, and the second body 10 and the plug portion 2 of the first body 1 more tightly and is not easy to separate.

In order to more conveniently pull out the waterproof plug in the using process, as shown in fig. 4, a blind groove 15 is formed in the edge of the plugging portion 2, and the blind groove 15 is used for forming a gap between the plugging portion and the outer wall of the mobile terminal when the waterproof plug is inserted into the movable side hole. When the waterproof plug needs to be pulled out, the waterproof plug can be conveniently opened only by inserting the finger tip into the gap.

The mobile terminal provided by the embodiment of the present invention may be configured as an independent body which is not connected with the mobile terminal, but the independent waterproof plug is easy to lose when in use, and therefore, a connection part for connecting the waterproof plug and the mobile terminal is preferably arranged between the waterproof plug and the mobile terminal, as shown in fig. 4, 7 and 8, a through hole 16 is arranged at the edge of the first body 1, a connection member 17 is fixedly arranged on the second body 10 at a position corresponding to the through hole 16, and a free end of the connection member 17 passes through the through hole 16 and is used for connecting the mobile terminal. The connecting piece 17 is preferably made of the same TPU elastomer material as the second body 10, and the second body 10 and the connecting piece 17 are integrally formed, so that on one hand, when the waterproof plug is pulled out, the connecting piece 17 can be bent, the side hole of the mobile terminal is completely opened, and the corresponding plug can be conveniently inserted into the side hole; on the other hand, the waterproof plug is connected to the mobile terminal through the connecting piece 17 and is not easy to lose.

It should be pointed out that, if the distance is nearer between blind groove 15 and the through-hole 16, and through-hole 16 department is the tie point of waterproof stopper and mobile terminal, when the waterproof stopper is pulled out to needs, just need follow blind hole 15 and put a bit's strength to the direction of keeping away from this tie point, make plug portion 2 and mobile terminal outer wall produce bigger gap, until whole plug, set up like this and though can satisfy the waterproof sealing requirement to mobile terminal's side hole, but, it is comparatively hard during the operation, it is convenient not enough, consequently preferably set up above-mentioned blind groove 15 and through-hole 16 respectively in first body 1 relative both ends, when using like this, the finger fingertip deepens into the blind groove 15 department far away from waterproof stopper and mobile terminal tie point, can easily buckle plug portion 2 with a little more hard, and convenient.

In the mobile terminal provided by the embodiment of the present invention, the first body 1 and the second body 10 are formed by two-color injection molding, which not only can ensure the assembling performance between the first body 1 and the second body 10, but also is beneficial to the beauty. Silica gel cover uses liquid silica gel material, the hardness is at 30 degrees-60 degrees, and adopt high temperature high pressure mould inner insert injection moulding, make liquid silica gel parcel on the sealing 3 of first body 1, form sealed waterproof part, this material has better resilience, water proofness and thermal stability, consequently, in the use, even mobile terminal passes through adverse circumstances such as high temperature and high humidity, can not lead to sealed face size on the liquid silica gel cover 4 to change yet, improve the sealing stability of waterproof stopper.

According to the embodiment of the invention, by adopting the technology of double-color injection molding and high-temperature high-pressure in-mold insert injection molding, the second body 10 made of TPU elastomer material is used as an appearance part, the plugging part 2 of the first body 1 made of PC plastic material is used as an inner part, and finally the sealing part 3 wrapped with the silica gel sleeve 4 made of liquid silica gel material is used as a sealing part, so that an integrated molding structure of PC plastic material and TPU elastomer material with liquid silica gel is realized, and the waterproof plug has better sealing stability and plugging hand feeling.

Other configurations of the mobile terminal according to the embodiment of the present invention are well known to those skilled in the art, and will not be described in detail herein.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A mobile terminal comprises a terminal body, wherein a side hole is formed in the side wall of the terminal body, and the mobile terminal is characterized by further comprising a side waterproof plug, wherein the side waterproof plug comprises a first body made of hard plastic materials; the first body comprises a plugging part and a sealing part, and the plugging part is fixedly connected with the sealing part; the sealing part is wrapped with a silica gel sleeve, and the sealing part and the silica gel sleeve are of an integrally formed structure; the sealing part wrapped by the silica gel sleeve is in interference fit with the side edge hole.

2. The mobile terminal according to claim 1, wherein the sealing portion is provided with at least one first through hole; the silica gel cover is internally provided with first plug connectors which are in one-to-one correspondence with the first through holes, the first plug connectors are respectively inserted into the corresponding first through holes, and the silica gel cover and the first plug connectors are integrally formed.

3. The mobile terminal according to claim 1, wherein a glue pulling groove is formed in an outer wall of the sealing portion, a boss corresponding to the glue pulling groove is formed in an inner wall of the silica gel sleeve, the boss is inserted into the glue pulling groove, and the silica gel sleeve and the boss are integrally formed.

4. The mobile terminal according to claim 1, wherein a raised waterproof ring is arranged on the outer wall of the silica gel sleeve.

5. The mobile terminal according to claim 1, further comprising a second body made of TPU elastomer material, wherein the second body and the sealing portion are respectively disposed on two sides of the plugging portion, and the second body is fixedly connected to the plugging portion.

6. The mobile terminal of claim 5, wherein the second body has at least one second plug connector disposed thereon; the first body is provided with second through holes corresponding to the second plug connectors one to one, the second plug connectors are respectively inserted into the corresponding second through holes, and the second body and the second plug connectors are integrally formed.

7. The mobile terminal according to claim 5, wherein a bone position is disposed on the second body, a glue bone corresponding to the bone position is disposed on the first body, the glue bone is inserted into the bone position, and the first body and the glue bone are integrally formed.

8. A mobile terminal according to any of claims 5-7, wherein the edge of the plugging portion is provided with a blind groove for forming a gap between the plugging portion and an outer wall of the mobile terminal.

9. The mobile terminal according to any of claims 5 to 7, wherein a through hole is provided at an edge of the first body, a connecting member is fixedly provided on the second body at a position corresponding to the through hole, and a free end of the connecting member passes through the through hole and is used for connecting the mobile terminal.

10. The mobile terminal according to any of claims 5-7, wherein the first body and the second body are formed by two-color injection molding, and the silicone sleeve is formed by in-mold insert injection molding.