CN210297764U - A seal structure and intelligent terminal for intelligent terminal - Google Patents

Abstract

The utility model provides a seal structure and intelligent terminal for intelligent terminal, seal structure includes first sealing member and second sealing member, be provided with first concave part on the first sealing member it makes to pour into stickness material into in the first concave part the second sealing member with first sealing member is connected and is formed sealedly. The sealing structure is not only suitable for the whole intelligent terminal, but also can be used for sealing connection between the card support mounting area and the earphone mounting area of the intelligent terminal. The sealing device has the advantages of good sealing consistency, low cost, more convenience in factory production and assembly and no great loss.

Description

A seal structure and intelligent terminal for intelligent terminal

Technical Field

The utility model relates to an intelligent terminal field especially relates to a seal structure for intelligent terminal and intelligent terminal thereof.

Background

With the development of communication technology, the use of the intelligent terminal is more and more extensive, and in the process of daily use of the intelligent terminal by a user, the mobile terminal is inevitably easy to contact with water, such as raining, falling into water, or accidentally entering water. In addition, in mobile terminal market research, nearly half of mobile terminals are repaired every year due to water inflow, and solving the problem of water inflow of the mobile terminals is a research and development hotspot of various large manufacturers. Therefore, the requirement of environmental adaptability of the intelligent terminal is also increasing, for example, in rainy and snowy weather or other severe environments or weather, the electronic device must have a waterproof function, so that the normal operation of the electronic device can be ensured.

Taking a waterproof mobile phone as an example, as shown in fig. 1, a mobile phone in the prior art mainly achieves a sealing and waterproof effect by adding waterproof foam between a front shell and a rear shell. The handset 100 includes a front case assembly 110, a rear case assembly 120, and a waterproof foam 130. The waterproof structure in the prior art generally comprises a whole circle of waterproof foam 130 adhered to the front shell assembly 110, and the waterproof structure is assembled with the shell of the rear shell assembly 120 and then is subjected to interference extrusion to obtain a whole circle of waterproof foam, so that the waterproof and sealing effects are achieved. The front housing assembly 110 and the rear housing assembly 120 are completely sealed by a full ring of waterproof foam 130. As shown in fig. 2, the front case assembly 110 and the rear case assembly 120 are hermetically connected by the upper and lower surfaces of the waterproof foam 130, so that a sealed space is formed between the front case assembly and the rear case assembly to prevent water.

However, the above-mentioned waterproof manner of the mobile phone in the prior art still has many defects and problems:

1, the traditional die cutting process of the whole circle of waterproof foam 130 is complex, and the reject ratio of the waterproof foam is high;

2, the traditional whole-circle waterproof foam 130 product is easy to deform, and the characteristic that the traditional whole-circle waterproof foam is soft and easy to deform is combined, so that when the traditional whole-circle waterproof foam 130 is assembled on the shell of the rear shell assembly 120, the traditional whole-circle waterproof foam is difficult to be accurately attached to the shell, cannot be accurately positioned, and has larger assembly attachment tolerance; the assembly of the whole machine has poor water resistance and high reject ratio; the whole circle of foam is lost due to the fact that the adhesive tape is crooked, folded and damaged;

3, the traditional whole-circle waterproof foam 130 has higher cost; the cost of one circle of waterproof foam is about 2 RMB;

4, the traditional whole circle of waterproof foam 130 is only sealed by extruding the upper part and the lower part of the whole circle of waterproof foam by glue, the sealing effect of the foam body is poor, and the waterproof performance is poor after the foam body is assembled;

5, the waterproof uniformity of the traditional whole-circle waterproof foam 130 is poor, and the waterproof effect is unstable.

Therefore, the waterproof effect of the waterproof foam adopted in the prior art is not ideal, and therefore a more reliable waterproof mode needs to be found for the intelligent terminal.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a seal structure for intelligent terminal, including first sealing member and second sealing member, be provided with first concave part on the first sealing member it makes to pour into stickness material into in the first concave part the second sealing member with first sealing member is connected and is formed sealedly.

Further, the viscous material is sealant, and a sealing rubber ring is formed in the first groove part through dispensing or spraying; the second sealing element is fixedly connected with the first sealing element through the sealing rubber ring to form sealing.

Further, a first protruding portion matched with the first groove portion is arranged on the second sealing element; the first protruding part extends into the first groove part; the first protruding portion and the first groove portion are fixedly connected through the sealing rubber ring and form sealing.

Further, the first seal is a rear shell assembly and the second seal is a front shell assembly; the first groove part is arranged along the circumferential direction of the edge of the rear shell assembly; the first boss is arranged circumferentially along the edge of the front shell assembly; and after the first protruding part and the first groove part are sealed by a sealing rubber ring formed by dispensing or spraying rubber, a closed space is formed between the rear shell assembly and the front shell assembly.

Further, the rear shell assembly comprises a first protruding part and a second protruding part, and the first groove part is formed between the first protruding part and the second protruding part; the first protruding portion extends into the first groove portion.

Furthermore, the bottom surface and the side surface of the first groove part are transited through a right-angle chamfer or an arc chamfer; the top surface and the side surface of the first bulge are respectively transited through a right-angle chamfer or a circular arc chamfer.

Further, the first sealing element is a front shell assembly, and the second sealing element is a PCB board.

Further, be provided with the card that is used for holding the card and holds in the palm the installation area on the preceding shell subassembly, be equipped with second bellying and second concave part on the card holds in the palm the installation area, the second concave part is located on the second bellying, just the second bellying is the U type ring and encircles the card holds in the palm the installation area, correspond on the lateral wall of preceding shell subassembly the card holds in the palm the installation area and is provided with the card and holds in the palm the mounting hole, the opening of U type is towards the card holds in the palm the mounting hole, the open-ended end of U type with the lateral wall is connected.

Further, be provided with the earphone installing zone that is used for holding the earphone on the preceding shell subassembly, correspond on the lateral wall of preceding shell subassembly the earphone installing zone is provided with the jack, be equipped with third bellying and third concave part on the earphone installing zone, the third concave part is located on the third bellying, just the third bellying is the U type ring around the earphone installing zone, correspond on the lateral wall of preceding shell subassembly the earphone installing zone is provided with the jack, the opening of U type orientation the jack, the open-ended of U type end with the lateral wall is connected.

The utility model also provides an intelligent terminal, including the aforesaid seal structure.

Compared with the prior art, the utility model has the advantages that:

1. the application has strong operability, the glue dispensing amount can be adjusted, and the glue path can be adjusted, so the sealing consistency of the glue dispensing scheme of the application is superior to that of the traditional whole-circle waterproof foam scheme;

2. the cost of the dispensing scheme is about 1/4 of the traditional whole circle of waterproof foam; the cost of the dispensing scheme is superior to that of the traditional whole-circle waterproof foam scheme;

3. the factory production equipment of this application is more convenient, can not cause very big loss, consequently, the point of this application scheme of gluing will be superior to the waterproof cotton scheme of bubble of traditional whole circle.

Drawings

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

FIG. 1 is an exploded view of a prior art handset structure using waterproof foam as a waterproof structure;

FIG. 2 is a schematic sectional view of a prior art structure between a front housing assembly and a rear housing assembly through a full circle of waterproof foam upper and lower double-sided interference housings to form a sealed space between the front housing assembly and the rear housing assembly;

fig. 3 is a schematic structural diagram of a first sealing member and a second sealing member of a smart terminal according to a first embodiment of the present application;

fig. 4 is an internal structural diagram of a front case assembly of a smart terminal according to a first embodiment of the present application;

fig. 5 is an internal structural diagram of a rear case assembly of the smart terminal according to the first embodiment of the present application;

fig. 6 is a schematic structural cross-sectional view of the intelligent terminal according to the first embodiment of the present application after the front shell assembly and the rear shell assembly are sealed by dispensing or spraying glue;

fig. 7 is a schematic structural cross-sectional view of a sealing rubber ring formed after glue dispensing or glue spraying curing in a U-shaped groove of a rear shell assembly of an intelligent terminal according to a first embodiment of the present application;

fig. 8 is a schematic diagram of a dispensing or glue spraying structure of a card holder mounting area of a front shell assembly of an intelligent terminal according to a second embodiment of the present application;

fig. 9 is a schematic cross-sectional view illustrating a structure of a front case assembly of a smart terminal after glue dispensing or spraying in a card holder mounting area according to a second embodiment of the present application;

fig. 10 is a schematic structural diagram of a sealed connection between a PCB and a card holder mounting area of a front case assembly of a smart terminal according to a second embodiment of the present application after glue dispensing or spraying;

fig. 11 is a schematic structural diagram of dispensing or spraying glue in an earphone mounting area of a front shell assembly of an intelligent terminal according to a third embodiment of the present application;

fig. 12 is a schematic cross-sectional view of a structure after glue is dispensed or sprayed on an earphone mounting area of a front shell assembly of an intelligent terminal according to a third embodiment of the present application;

fig. 13 is a schematic structural diagram of a sealing connection between a PCB and an earphone mounting area of a front shell assembly of an intelligent terminal after dispensing or spraying glue according to a third embodiment of the present application.

Reference numerals:

100-handset, 110-front shell assembly, 120-rear shell assembly, 130-waterproof foam, 200-sealing structure, 210-first sealing element, 211-first groove portion, 2111-first protrusion portion, 2112-second protrusion portion, 212-rear shell assembly, 220-second sealing element, 221-first protrusion portion, 222-front shell assembly, 2221-card holder mounting area, 22211-second protrusion portion, 222111-second groove portion, 22212-card holder mounting hole, 2222-earphone mounting area, 22221-third protrusion portion, 222211-third groove portion, 2223-side wall, 223-PCB board, 300-smart terminal, 310-sealant.

Detailed Description

The advantages of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. A mobile handset is illustrated in the drawings as an exemplary embodiment, but it will be understood by those skilled in the art that the configuration in the embodiment according to the present invention can be applied to a fixed type terminal in addition to elements particularly used for mobile purposes. The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiments of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes. Further, those skilled in the art will appreciate that the mobile terminal configuration shown in the drawings does not constitute a limitation of the intelligent terminal, and that the intelligent terminal may include more or less components than those shown, or combine certain components, or arrange different components. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. The terms "first" and "second" in this application are used to distinguish between different objects and are not used to describe a particular order. Reference in the specification 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 specification. The appearances of the 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 explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The design concept of the application is as follows: firstly, a rear shell is used as a glue blocking structure to form a U-shaped groove; then, dispensing or spraying glue in the U-shaped groove 211 of the rear shell assembly 212 of the intelligent terminal 300; mounting the front shell assembly 222 on the rear shell assembly 212, and enabling the sealing surface of the front shell assembly 222 to be attached to the surface of the sealant in the U-shaped groove 211 of the rear shell assembly 212; standing to cure the sealant, forming a sealant ring after the sealant is cured, and forming a closed space between the rear shell assembly 212 and the front shell assembly 222 to ensure waterproof performance. In addition, the card holder mounting area 2221 and the earphone mounting area 2222 of the smart terminal 300 may be hermetically connected to the PCB 223 by providing a groove and dispensing or spraying glue therein. The three different sealing structures (dispensing or glue spraying sealing between the front housing assembly 222 and the rear housing assembly 212, dispensing or glue spraying sealing between the card holder mounting area 2221 and the PCB 223, and dispensing or glue spraying sealing between the earphone mounting area 2222 and the PCB 223) may be simultaneously applied to the same smart terminal or may be respectively applied to different smart terminals. The glue dispensing is a process with wide application, namely glue applying, glue spreading, glue pouring, glue dripping and the like, and electronic glue, oil or other viscous materials are smeared, encapsulated and dripped on products, so that the products have the function of sticking. The dispensing in this application refers in particular to the use of viscous materials such as glue with a pasting effect. Preferably, in order to realize the effect of complete sealing, the utility model discloses in the glue dispensing process, glue the way and can not be interrupted. The glue spraying refers to a process of spraying glue or other viscous materials by using a full-automatic glue spraying machine and enabling the glue or other viscous materials to be attached to another object according to a certain rule.

Through the technical scheme of this application, have following advantage:

1. the application has strong operability, the glue dispensing or spraying amount can be adjusted, and the glue path can be adjusted, so the sealing consistency of the glue dispensing or spraying scheme is superior to that of the traditional whole-circle waterproof foam scheme;

2. the cost of the application is low, and the cost of the glue dispensing or spraying scheme is about 1/4 of the traditional whole circle of waterproof foam; the cost of the glue dispensing or spraying scheme is superior to that of the traditional whole-circle waterproof foam scheme;

3. the factory production equipment of this application is more convenient, can not cause very big loss, consequently, the point of this application is glued or is spouted gluey scheme and will be superior to the waterproof cotton scheme of bubble of traditional whole circle.

The structure of the above design concept is merely an exemplary structure for facilitating understanding of the present invention, and the protection scope of the present invention is not limited to only between the front case and the rear case, or the fastening area, or the earphone mounting area, and those skilled in the art can apply the spirit and concept of the present invention to other structures, such as the whole waterproof structure or the partial waterproof structure, as needed.

The utility model provides a seal structure 200 for intelligent terminal 300, including first sealing member 210 and second sealing member 220, the periphery of first sealing member 210 is equipped with first concave part 211 inject viscous material in the first concave part 211, make first sealing member 210 with connect between the second sealing member 220 and form sealedly. Preferably, the injection mode is a glue dispensing or spraying mode, and the viscous material is a sealant or other viscous materials with a sticking effect. Intelligent terminal 300 can include cell-phone, panel computer, notebook computer, palm computer, Personal Digital Assistant (PDA), Portable media player (Portable media player, PMP), mobile terminal such as navigation head, wearable equipment, intelligent bracelet, pedometer to and fixed terminal such as Digital TV, desktop computer. For convenience of understanding, the drawings and the embodiments take a mobile phone as an example, but it can be understood by those skilled in the art that the smart terminal of the present application is not limited to the mobile phone. The first sealing member 210 and the second sealing member 220 are fixedly connected and sealed by a sealing rubber ring in the first groove portion 211, so that a sealed space is formed between the first sealing member 210 and the second sealing member 220 to prevent water.

Fig. 3 to 7 illustrate a first embodiment of the present invention, and in fig. 3, exemplarily, the first sealing member 210 is a rear housing assembly 212, the second sealing member 220 is a front housing assembly 222, a first groove portion 211 is provided at a periphery of the first sealing member 210, a sealant ring is formed by dispensing or spraying a sealant in the first groove portion 211, and then the first sealing member 210 and the second sealing member 220 are fixedly connected and sealed by the sealant ring in the first groove portion 211, so that a sealed space is formed between the first sealing member 210 and the second sealing member 220.

Fig. 4 is a schematic diagram illustrating an internal structure of the front case assembly 222 according to the present application, and it can be seen that the inside of the second sealing member includes various functional structures of the smart terminal 300.

Fig. 5 is a schematic view of an internal structure of the rear housing assembly 212 according to the present application, and it can be seen that a first groove portion 211 is formed around the rear housing assembly 212 for dispensing or spraying glue.

As can be seen from fig. 6, the front housing assembly 222 is provided with a first protruding portion 221 on the periphery thereof, the rear housing assembly 212 is provided with a first protruding portion 2111 and a second protruding portion 2112 on the outer side of the first protruding portion on the periphery thereof, and the first groove portion 211 is formed between the first protruding portion 2111 and the second protruding portion 2112. The first groove portion 211 is circumferentially disposed along an edge of the rear housing assembly 212; the first protrusions 221 are respectively disposed along the circumferential direction of the edge of the front case assembly 222. The first groove portion 211 is filled with glue or sprayed with glue to form a sealing rubber ring, and in the figure, 310 is a sealing rubber. The first groove portion 211 matches the first protruding portion 221, and more specifically, the width of the first protruding portion 221 is less than or equal to the width of the first groove portion 211, so that the first protruding portion 221 protrudes into the first groove portion 211; the first protrusion 221 and the first groove 211 are fixedly connected by the sealing rubber ring and form a sealed space inside the front housing assembly 222 and the rear housing assembly 2121. Wherein, the first protruding portion 2111 and the second protruding portion 2112 function to block the flow of the glue in the first groove portion 211 before curing. The sealing rubber ring can not only play a role in connecting the front shell assembly 222 and the rear shell assembly 212, but also play a role in sealing and preventing water. Preferably, an interference fit may be further formed between the first protruding portion 221 and the first groove portion 211, so as to make the connection between the front shell assembly 222 and the rear shell assembly 212 tighter, and further enhance the sealing function between the front shell assembly 222 and the rear shell assembly 212. Fig. 7 is an enlarged view of the dispensed structure of the rear housing assembly 212. In fig. 7, the first groove portion 211 is a U-shaped groove, and preferably, the bottom surface and the side surface of the U-shaped groove of the first groove portion 211 are transited by a right-angle chamfer or a non-right-angle chamfer; the top surface and the side surface of the first protruding portion 221 are respectively transited by a right angle chamfer or a non-right angle chamfer.

According to a second embodiment of the present invention, as shown in fig. 8-10, the first sealing member is a front case assembly 222 and the second sealing member is a PCB board 223.

As shown in fig. 8, a card holder mounting area 2221 for accommodating a card holder is disposed on the front housing assembly 222, a second protruding portion 22211 is disposed on the card holder mounting area 2221, preferably, the second protruding portion 22211 is U-shaped, an opening of the U-shape faces a card holder mounting hole 22212 disposed on a side wall 2223 of the front housing assembly, and a distal end of the opening of the U-shape is connected to the side wall 2223. The second projection 22211 is U-shaped to surround the holder mounting area 2221. The second protrusion 22211 is provided with a second groove 222111, the second groove 222111 is U-shaped, and the opening of the U-shape faces the card holder mounting hole 22212 formed on one side wall of the front housing assembly, in other words, the second groove 222111 is distributed along the second protrusion 22211. Dispensing or spraying glue into the second groove 222111, and then connecting the PCB 223 with the second protrusion 22211.

Fig. 9 is a schematic cross-sectional view illustrating the PCB 223 and the second protrusion 22211 connected by glue 310, and as can be seen from fig. 9, when glue is dispensed or sprayed, a proper amount of the sealant 310 needs to be injected into the second groove 222111 of the second protrusion 22211 until the surface height of the sealant 310 is higher than or equal to the height of the second groove 222111, so that the PCB 223 can be fixedly connected to the second protrusion 22211 by the glue 310. Preferably, the cross-sectional structure of the second groove portion 222111 is U-shaped or other curved surface shape. Preferably, the PCB 223 may further be provided with a protruding portion, and the protruding portion may match with the second groove portion, and more specifically, the protruding portion may be embedded in the second groove portion, and the width of the protruding portion is less than or equal to the width of the second groove portion, or the protruding portion and the second groove portion are in an interference fit.

As shown in fig. 10, the side wall 2223 of the front housing assembly 222 is provided with a card-receiving mounting hole 22212, and the U-shaped opening formed by the second protrusion portion 22211 and the second groove portion 222111 faces the card-receiving mounting hole 22212 and is connected to the side wall 2223 of the front housing assembly 222. After the PCB 223 is connected to the second protrusion 22211 by the sealant 310, a sealed space is formed between the PCB 223 and the card holder mounting area 2221, so that the card holder mounting area 2221 is prevented from water entering, and a local waterproof function can be achieved.

According to a third embodiment of the present invention, as shown in fig. 11-13, the first sealing member is a front case assembly 222 and the second sealing member is a PCB board 223.

As shown in fig. 11, an earphone mounting area 2222 for accommodating a card holder is disposed on the front housing assembly 222, a third protrusion 22221 is disposed on the earphone mounting area 2222, preferably, the third protrusion 22221 is U-shaped, an opening of the U-shape faces to a jack 22222 disposed on a side wall 2223 of the front housing assembly, and a distal end of the opening of the U-shape is connected to the side wall 2223. The third projection 22221 is U-shaped to surround the earphone mounting area 2222. The third protrusion 22221 has a third groove 222211, the third groove 222211 is U-shaped, and the opening of the U-shape faces the insertion hole 22222 formed on a side wall 2223 of the front housing assembly, in other words, the third groove 222211 is distributed along the third protrusion 22221. Dispensing or spraying glue into the third groove 222211, and then connecting the PCB 223 with the third protrusion 22221.

Fig. 12 is a schematic cross-sectional view of the PCB 223 and the third protruding portion 22221 connected by glue 310, and as can be seen from fig. 12, when glue is dispensed or sprayed, an appropriate amount of the sealant 310 needs to be injected into the third groove portion 222211 of the third protruding portion 22221 until the surface height of the sealant 310 is equal to or higher than the height of the third groove portion 222211, so that the PCB 223 can be fixedly connected with the third protruding portion 22221 by the sealant 310. Preferably, the cross-sectional structure of the third groove portion 222211 is U-shaped or other curved surface shape. Preferably, the PCB 223 may further be provided with a protruding portion, and the protruding portion may match with the third groove portion, and more specifically, the protruding portion may be embedded in the third groove portion, and the width of the protruding portion is less than or equal to the width of the third groove portion, or the protruding portion and the third groove portion are in an interference fit.

As shown in fig. 13, the side wall 2223 of the front housing assembly 222 is provided with a receptacle 22222, and the U-shaped opening formed by the third protruding portion 22221 and the third groove portion 222211 faces the receptacle 22222 and is connected to the side wall 2223 of the front housing assembly 222. After the PCB 223 is connected to the third protrusion 22221 by the sealant 310, a sealed space is formed between the PCB 223 and the earphone mounting area 2222, so that the earphone mounting area 2222 is prevented from water entering, and a local waterproof function can be achieved.

The utility model also provides an intelligent terminal, including the aforesaid various embodiments of seal structure. The intelligent terminal has the same expansion scheme and technical effect as the intelligent terminal in each embodiment of the sealing structure, and the description is not repeated here.

The above detailed description of the embodiments of the present invention is only for exemplary purposes, and the present invention is not limited to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Therefore, the equivalent changes and modifications without departing from the spirit of the invention and the scope of protection of the claims are to be covered by the scope of the invention.

Claims (10)

1. A sealing structure for an intelligent terminal comprises a first sealing element and a second sealing element,

the first sealing element is provided with a first groove portion, and viscous materials are injected into the first groove portion to enable the second sealing element to be connected with the first sealing element to form sealing.

2. The seal structure of claim 1,

the viscous material is sealant, and a sealing rubber ring is formed in the first groove part through dispensing or spraying;

the second sealing element is fixedly connected with the first sealing element through the sealing rubber ring to form sealing.

3. The seal structure of claim 2,

a first protruding part matched with the first groove part is arranged on the second sealing element;

the first protruding part extends into the first groove part;

the first protruding portion and the first groove portion are fixedly connected through the sealing rubber ring and form sealing.

4. The seal structure of claim 3,

the first sealing element is a rear shell assembly, and the second sealing element is a front shell assembly;

the first groove part is arranged along the circumferential direction of the edge of the rear shell assembly;

the first boss is arranged circumferentially along the edge of the front shell assembly;

and after the first protruding part and the first groove part are sealed by a sealing rubber ring formed by dispensing or spraying rubber, a closed space is formed between the rear shell assembly and the front shell assembly.

5. The seal structure of claim 4,

the rear shell assembly comprises a first extending portion and a second extending portion, and the first groove portion is formed between the first extending portion and the second extending portion.

6. The seal structure of claim 5,

the bottom surface and the side surface of the first groove part are transited through a right-angle chamfer or an arc chamfer;

the top surface and the side surface of the first bulge are respectively transited through a right-angle chamfer or a circular arc chamfer.

7. The seal structure of claim 1,

the first sealing element is a front shell assembly, and the second sealing element is a PCB.

8. The seal structure of claim 7,

the card that is used for holding the card support installing zone is provided with on the preceding shell subassembly, be equipped with second bellying and second concave part on the card support installing zone, the second concave part is located on the second bellying, just the second bellying is the U type ring and encircles the card support installing zone, correspond on the lateral wall of preceding shell subassembly the card support installing zone is provided with the card and holds in the palm the mounting hole, the opening orientation of U type the card holds in the palm the mounting hole, the open-ended end of U type with the lateral wall is connected.

9. The sealing structure according to claim 7, wherein an earphone mounting area for receiving an earphone is provided on the front housing assembly, a jack is provided on a side wall of the front housing assembly corresponding to the earphone mounting area, a third protrusion portion and a third groove portion are provided on the earphone mounting area, the third groove portion is provided on the third protrusion portion, the third protrusion portion surrounds the earphone mounting area in a U-shape, an opening of the U-shape faces the jack, and a distal end of the opening of the U-shape is connected to the side wall.

10. An intelligent terminal is characterized in that a terminal body is provided with a plurality of terminals,

comprising a sealing structure according to any of claims 1-9.

Images