JP2014192560A - Portable terminal and assembly method of the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that it is difficult to realize a stable waterproof function in a portable terminal because of a lot of design limitations.SOLUTION: A portable terminal includes: a housing member which is formed including a sheet metal and a resin and has multiple openings; a circuit board which is inserted so as to be positioned in at least a first opening of the multiple openings and is fixed thereto; and a sheet-like member which is bonded so as to close the first opening.

Description

  The present invention relates to a mobile terminal and a mobile terminal assembly method, and more particularly, to a mobile terminal having a waterproof structure and a mobile terminal assembly method.

  As mobile terminals are widely used, their usage scenes are expanding, and improvement in waterproof performance is also demanded. A waterproof structure of a portable terminal according to the background art will be described with reference to the drawings. FIG. 7 is an exploded perspective view showing a schematic component configuration of a related waterproof portable terminal.

  In FIG. 7, an upper housing 201 and a lower housing 202 sandwich a packing 203 and form a main skeleton of a waterproof portable terminal housing. A display device 204 such as a liquid crystal, a circuit board 205, a battery 206, and a communication antenna 207 are incorporated in the housing. The transparent screen 208 and the battery cover 209 are incorporated into the upper casing 201 and the lower casing 202 in an appropriate shape having a waterproof function to constitute the exterior of the device. The opening of the lower housing 202 opened for mounting device parts such as the camera 210 is stopped by a camera screen 212 having a waterproof double-sided tape 211.

  In FIG. 7, the upper housing 201 and the lower housing 202 are fixed by screws 213 and the opposing fitting claws 214 with the packing 203 interposed therebetween. Furthermore, general design issues in designing waterproof portable terminals are described. In FIG. 7, attention is focused on the upper housing 201. It is an important design issue to improve the reliability of a device that can withstand external forces such as inadvertent dropping, and to ensure appropriate rigidity in consideration of the use state of the device. Therefore, the upper housing 201 is a plastic molded part in which a metal plate 215 is integrally molded.

  Next, in FIG. 7, attention is paid to the arrangement of internal components. It is a general configuration that the circuit board 205, the battery 206, and the communication antenna 207 are arranged in an arrangement as shown in FIG. A heavy battery 206 is placed at the center of the device, and the center of gravity is placed at the center of the device. The communication antenna 207 is arranged on the side of the device in consideration of a specific absorption rate (SAR) when the human body is exposed to radio waves during a voice call. It is an issue to design a waterproof portable terminal that realizes a stable waterproof function and is excellent in design while receiving design constraints.

JP 2012-95132 A

  It is preferable that the waterproof performance of the portable terminal is higher. However, the related portable terminal shown in FIG. 7 is designed such that the packing 203 is sandwiched between the upper casing 201 and the lower casing 202. Therefore, if the configuration is not realized with appropriate dimensions, the waterproof function of the device may be impaired. It is an important design problem to suppress the deformation of the upper casing 201 and the lower casing 202 that are subjected to the reaction force of crushing the packing 203 in addition to the variation in the size of each part. In order to be sure to fix the upper housing 201 and the lower housing 202 over the entire circumference of the packing 203, the waterproof portable terminal is designed in order to be restricted by the mounting parts inside the device, the device size, and the device design. It has become a big challenge when doing.

  In the related portable terminal shown in FIG. 7, the packing 203 is sandwiched between the upper casing 201 and the lower casing 202, and the circuit board is interposed between the upper casing 201 and the lower casing 202. 205, and device parts such as the communication antenna 207 and the camera 210 are arranged therebetween. For this reason, the assembling work of the portable terminal becomes complicated, and it is necessary to carefully perform the assembling work for maintaining the waterproof function.

  On the other hand, Patent Document 1 proposes a waterproof structure for a portable electronic device in which rubber packing or the like is not sandwiched between an upper housing and a lower housing. In Patent Document 1, an internal mounting component is inserted and mounted through an upper surface opening of a casing of a portable electronic device, and then the upper surface opening is covered with a sheet-like member, thereby reducing the assembly man-hour by reducing the number of components and the portable electronic device. It is compatible with improving the waterproof performance of the equipment.

  In the portable electronic device proposed in Patent Document 1, it is possible to improve the waterproof performance, but further improvement of the waterproof performance is desired. Also, it is desired to achieve both smooth assembly work and improved waterproof performance by an internal structure different from the portable electronic device proposed in Patent Document 1.

  As described above, the related portable terminal has a problem that it is difficult to realize a stable waterproof function because of many design restrictions.

  An object of the present invention is to assemble a portable terminal and a portable terminal that solve the problem that it is difficult to realize a stable waterproof function because there are many design restrictions in the portable terminal. It is to provide a method.

  In order to achieve the above object, a portable terminal according to the present invention includes a sheet metal and a resin, and is disposed in a housing member having a plurality of openings and at least a first opening of the plurality of openings. A circuit board that is inserted and fixed to be fixed, and a sheet-like member that is attached so as to close the first opening.

A method for assembling a portable terminal according to the present invention includes a housing member having a first opening on one main surface, comprising a sheet metal and a resin, and a circuit board fixed so as to be positioned in the first opening. A method of assembling a portable terminal having a sheet-like member attached so as to close the first opening,
After the circuit board is arranged and fixed in the first opening using the second opening, the sheet-like member is attached via an adhesive tape so as to close the first opening of the housing member.

  According to the mobile terminal and the mobile terminal assembly method of the present invention, a stable waterproof function can be realized even when there are many design restrictions.

It is a perspective view which shows the external appearance of the portable terminal by embodiment of this invention. It is a disassembled perspective view of the portable terminal by 1st Embodiment of this invention. (A) is sectional drawing along the AA line of FIG. 1, (b) is a partial expanded sectional view which shows the detailed structure of three places shown with the broken line of (a). It is a perspective view for demonstrating the assembly method of the portable terminal by 1st Embodiment of this invention. It is a disassembled perspective view of the portable terminal by 2nd Embodiment of this invention. It is a disassembled perspective view of the portable terminal by 3rd Embodiment of this invention. It is a disassembled perspective view of a related portable terminal.

  Preferred embodiments of the present invention will be described in detail with reference to the drawings. The present invention is provided with a mechanism for further improving waterproof performance and facilitating assembling work of a mobile terminal with respect to the mobile terminal having an opening therein. In a waterproof structure of a portable terminal in which a main skeleton of a housing is formed with a single component, the method is characterized by the formation of an opening for incorporating an internal mounting component and its water stopping method.

[First Embodiment]
First, the portable terminal and the method for assembling the portable terminal according to the first embodiment of the present invention will be described. FIG. 1 is a perspective view illustrating an appearance of a mobile terminal according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of the mobile terminal according to the first embodiment of the present invention. 3A is a cross-sectional view taken along the line AA in FIG. 1, and FIG. 3B is a partially enlarged cross-sectional view showing a detailed structure of three locations indicated by broken lines in FIG. is there. Three locations indicated by broken lines in FIG. 3A are a region from the first opening 108 to one end of the housing 101, a region from the first opening 108 to the second opening 109 via the frame 120, The region corresponds to the area from the second opening 109 to the other end of the housing 101 via the frame 121 and the third opening 110. FIG. 4 is a perspective view for explaining a method of assembling the portable terminal according to the first embodiment of the present invention.

  As shown in FIG. 1, the mobile terminal according to the present embodiment includes a housing 101 and a battery cover 118 as an example of a cover member attached to the housing 101. The casing 101 is made of a single sheet metal integrated plastic. More specifically, as shown in an exploded perspective view in FIG. 2, the portable terminal includes a sheet metal and a resin, and a casing as an example of a casing member having a first opening 108 on one main surface. 101, a circuit board 105 inserted and fixed so as to be positioned in the first opening 108 of the housing 101, and an example of a sheet-like member attached so as to close the first opening 108 of the housing 101 And a battery cover 118 as an example of a cover member mounted on the one main surface side of the casing.

  The housing 101 is a plastic resin part in which a frame 120 and a frame 121 made of a plastic material and a sheet metal 122 which is a metal plate are integrally molded. The first opening 108 is formed on the one main surface of the housing 101, and the second opening 109 adjacent to the first opening 108 via the frame 120 and the second opening 109 are formed. It has the 3rd opening part 110 which adjoins via the flame | frame 121. FIG. A circuit board 105, a battery 106, and a communication antenna 107 are respectively incorporated in the first opening 108, the second opening 109, and the third opening 110 of the housing 101.

  The first opening 108, the second opening 109, and the third opening 110 of the housing 101 are divided by a plastic material frame 120 and a frame 121. It is configured to be connectable across the entire area. Thereby, the circuit board 105, the battery 106, and the communication antenna 107 can be electrically connected in a state of being incorporated in the opening.

  A substantially rectangular rib 101a protrudes from the first opening 108 of the housing 101, and a camera 113 is attached. Further, an opening 125 is formed on the side surface of the casing 101 around the first opening 108. This opening 125 is stopped by a suitable cover 126.

  The circuit board 105 that is inserted and fixed so as to be positioned in the first opening 108 is provided with an electrode 124 that is connected to the battery 106 at one end, as shown in a perspective view in FIGS. A connector 123 used for connection with an external device is provided at the other end opposite to the one end. The circuit board 105 has a notch 105a. Further, the connector 123 is designed to be positioned in the opening 125 on the side surface of the housing 101 in a state where the circuit board 105 is fixed to the first opening 108. In consideration of frequent insertion and removal of the cable by the operator of the device, it is desirable that the connector 123 be accommodated in the opening 125 of the housing 101 where the gap is limited as much as possible.

  The first opening 108 stops water by applying a sheet 112 provided with a waterproof double-sided tape 111. The sheet 112 has an opening 112 a at a position overlapping the camera 113. The camera 113 captures an image through the opening 112 a provided in the sheet 112. The opening 112a of the sheet 112 is stopped by attaching a camera screen 115 having a waterproof double-sided tape 114.

  A battery 106 is attached to the second opening 109 of the housing 101. When the battery 106 is attached to the second opening 109, the battery 106 is arranged so as to be electrically connected to the electrode 124 of the circuit board 105 fixed to the first opening 108. The second opening 109 is appropriately waterproofed by a packing 119 provided on the battery cover 118 that covers the entire back surface of the device. As shown in FIGS. 3A and 3B, the packing 119 is sandwiched between the frame 120 and the frame 121 around the second opening 109 in which the battery 106 is mounted and the battery cover 118. When the battery cover 118 is attached to the housing 101, the second opening 109 in which the battery 106 is attached is securely fixed by the packing 119 over the entire circumference.

  A communication antenna 107 is attached to the third opening 110 of the housing 101 and incorporated therein. Further, the third opening 110 is stopped by a sheet 117 having a waterproof double-sided tape 116. The sheet 112 and the sheet 117 can be flexible sheets.

  On the other main surface side of the housing 101, a display device 102 such as a liquid crystal display element is disposed. On the other main surface side of the casing 101, a display device 102 and a transparent screen 103 are incorporated, and are fixed and water-stopped using a waterproof double-sided tape 104.

  The display device 102, the circuit board 105, the battery 106, and the communication antenna 107 are appropriately electrically connected by connectors and flexible printed circuit (FPC) wiring. However, since it is not directly related to the features of the present invention, the description thereof will be omitted.

  Next, the method for assembling the mobile terminal according to the present embodiment will be described. The casing 101 is made of a single sheet metal integrated plastic. The plastic mold structure used in this production will be described. As shown in a partially enlarged sectional view in FIG. 3B, in order to form the frame 120 and the frame 121, the undercut range B is slid in the direction of arrow B ′ and the undercut range C is slid in the direction of arrow C ′. A mold structure is used. Thereby, the housing | casing 101 which consists of a plastic resin component which integrally molded the flame | frame 120, the flame | frame 121, and the sheet metal 122 can be manufactured.

  On the other main surface side of the housing 101 formed in this way, a display device 102 and a transparent screen 103 are incorporated, and fixed and water-stopped using a waterproof double-sided tape 104. A cover 126 is attached to the opening 125 on the side surface of the housing 101 as necessary.

  Next, the camera 113 is attached to the rib 101 a of the first opening 108 of the housing 101. Further, the circuit board 105 is inserted into the first opening 108 and fixed. This insertion and fixing is performed by moving the circuit board 105 so as to change from the arrow D to the arrow E in FIG. 4, placing the electrode 124 inside the frame 120, and further inserting the connector 123 into the opening 125. In other words, when the circuit board 105 is assembled into the housing 101, the electrode 124 of the circuit board 105 is once stored inside the frame 120 inside the housing 101, and the connector 123 at the other end is inserted into the opening 125 of the housing 101. Move to fit. In this way, the electrode 124 of the circuit board 105 is disposed on the inner side of the frame 120 and can contact the electrode of the battery 106 mounted in the second opening 109 to establish an electrical connection. In order to realize the movement from the arrow D to the arrow E in FIG. 4, each part of the housing 101 is designed to have a dimensional relationship that does not disturb the movement range when the circuit board 105 is assembled.

  After fixing the circuit board 105 to the first opening 108, a sheet 112 having a waterproof double-sided tape 111 is attached to the first opening 108, and a camera screen 115 having a waterproof double-sided tape 114 to the opening 112 a of the sheet 112. Paste. The sticking order is not limited to this, and after the camera screen 115 having the waterproof double-sided tape 114 is attached to the opening 112a of the sheet 112, the sheet 112 having the waterproof double-sided tape 111 to the first opening 108 is provided. May be pasted.

  Further, the battery 106 is attached to the second opening 109 of the housing 101. When the battery 106 is attached to the second opening 109, the battery 106 is electrically connected to the electrode 124 of the circuit board 105 fixed to the first opening 108.

  Further, the communication antenna 107 is attached to the third opening 110 of the housing 101 and incorporated therein. Further, a sheet 117 provided with a waterproof double-sided tape 116 is attached to the third opening 110.

  Thus, after the circuit board 105, the battery 106, and the communication antenna 107 are incorporated in the first opening 108, the second opening 109, and the third opening 110 of the housing 101, respectively, the battery cover that covers the entire back surface of the device. 118 is attached. In this way, the assembly of the mobile terminal of this embodiment is completed.

  According to the portable terminal of the present embodiment, the first opening 108 of the housing 101 is stopped by the sheet 112 provided with the waterproof double-sided tape 111, and the third opening 110 of the housing 101 is provided with the waterproof double-sided tape 116. The sheet 117 is stopped. Thereby, the waterproof performance of a portable terminal can be improved. Further, with such a water stop structure, even when moisture enters from between the housing 101 and the battery cover 118, the circuit board 105, the camera 113, and the communication antenna 110 are provided by the water stop function using the sheets 112 and 117. It is possible to suppress the arrival of moisture. Therefore, compared with the related portable terminal shown in FIG. 7, there is no moisture intrusion into the circuit board 105, the camera 113, and the communication antenna 110. In addition, as compared with the related mobile terminal assembly method shown in FIG. A portable terminal having a sufficient waterproof function can be manufactured by a simple assembly operation.

  Furthermore, according to the portable terminal of the present embodiment, the insertion and fixation of the circuit board 105 are designed with a dimensional relationship that realizes movement that changes from the arrow D to the arrow E in FIG. According to such a design, the circuit board 105 can be inserted and fixed so as to be positioned in the first opening 108 while further reducing the opening of the first opening 108 of the housing 101. By reducing the opening of the first opening 108, there is no risk of moisture ingress, and the waterproof performance of the mobile terminal can be improved. The waterproof performance is stabilized as compared to the background art that may cause the housing deformation due to the reaction force of the packing.

  Furthermore, according to the portable terminal of the present embodiment, the sheet 112 has the opening 112a at a position overlapping the camera 113, and the camera screen provided with the waterproof double-sided tape 114 in the opening 112a of the sheet 112. Water is stopped by sticking 115. Since the sheet 112 has the opening 112 a, the sheet 112 that stops the first opening 108 does not hinder photographing by the camera 113. Thereby, waterproof performance can be improved, maintaining the imaging | photography performance of the camera 113. FIG. That is, it is possible to achieve both the photographing performance of the camera 113 and the waterproof performance of the mobile terminal.

  Thus, according to the mobile terminal and the mobile terminal assembly method according to the present embodiment, a stable waterproof function can be realized even when there are many design restrictions.

[Second Embodiment]
Next, the portable terminal and the method for assembling the portable terminal according to the second embodiment of the present invention will be described. FIG. 5 is an exploded perspective view of a portable terminal according to the second embodiment of the present invention. Detailed description of the same or similar contents as in the first embodiment will be omitted.

  Similar to the mobile terminal according to the first embodiment, the mobile terminal according to the present embodiment includes a housing 501 and a battery cover 518 as an example of a cover member attached to the housing 501. The housing 501 is made of a single sheet metal integrated plastic. More specifically, as shown in an exploded perspective view in FIG. 5, the portable terminal includes a sheet metal and a resin, and a casing as an example of a casing member having a first opening 508 on one main surface. 501, a circuit board 505 inserted and fixed so as to be positioned in the first opening 508 of the housing 501, and an example of a sheet-like member attached so as to close the first opening 508 of the housing 501 A flexible substrate 512 and a battery cover 518 as an example of a cover member mounted on the one main surface side of the housing.

  The housing 501 is a plastic resin part in which a frame made of a plastic material and a sheet metal that is a metal plate are integrally molded, as in the first embodiment. The first opening 508 is formed on the one main surface of the housing 501, and further, a second opening 509 adjacent to the first opening 508 via a frame, and a frame on the second opening 509. A third opening 510 adjacent to each other is provided. A circuit board 505, a battery 506, and a communication antenna 507 are respectively incorporated in the first opening 508, the second opening 509, and the third opening 510 of the housing 501.

  As in the first embodiment, the first opening 508, the second opening 509, and the third opening 510 of the housing 501 are separated by a plastic material frame, It is configured to be connectable throughout. Thereby, the circuit board 505, the battery 506, and the communication antenna 507 can be electrically connected in a state of being incorporated in the opening.

  A substantially square rib 501a protrudes from the first opening 508 of the housing 501, and the camera 513 is attached. Further, an opening 519 is formed on the side surface of the housing 501 around the first opening 508. The opening 519 is stopped by a cover 520.

  As shown in the exploded perspective view of FIG. 5, the circuit board 505 inserted and fixed so as to be positioned in the first opening 508 is provided with an electrode connected to the battery 506 at one end, A connector used for connection to an external device is provided at the other end. This arrangement is the same as in the first embodiment. The circuit board 505 has a notch 505a. Further, the connector of the circuit board 505 is designed to be positioned in the opening 519 on the side surface of the housing 501 in a state where the circuit board 505 is fixed to the first opening 508.

  The 1st opening part 508 stops water by sticking the flexible substrate 512 provided with the waterproof double-sided tape 511. When a non-contact communication function is mounted on a mobile terminal, an antenna is often formed on a flexible substrate. In the present embodiment, a flexible substrate 512 having such an antenna function is used. A spiral antenna element is formed in the periphery of the flexible substrate 512. Further, the flexible substrate 512 has an opening 512 a at a position overlapping the camera 513. The camera 513 captures an image through an opening 512a provided in the flexible substrate 512. The opening 512 a of the flexible substrate 512 is stopped by attaching a camera screen 515 provided with a waterproof double-sided tape 514. The flexible substrate 512 is flexible and has electrodes, terminals, wiring, elements, circuits, etc. formed inside or on its surface, and is called a flexible printed circuit (FPC) substrate or a flexible circuit substrate. Is.

  A battery 506 is attached to the second opening 509 of the housing 501 as in the first embodiment. When the battery 506 is attached to the second opening 509, the battery 506 is configured to be electrically connected to the electrode of the circuit board 505 fixed to the first opening 508. The second opening 509 is appropriately waterproofed by a packing provided on the battery cover 518 that covers the entire back surface of the device.

  A communication antenna 507 is attached to the third opening 510 of the housing 501. The communication antenna 507 can be a resin component in which an antenna circuit is formed if a method of forming an antenna circuit in a resin component is used. In this embodiment, the packing 516 is sandwiched between the housing 501 and the communication antenna 507, and the communication antenna 507 is fixed with screws 517. Thereby, the 3rd opening part 510 is water-stopping. A simple resin molded product or a metal plate may be used for water stoppage of the third opening 510 if the antenna function is not required. Thus, the opening for incorporating the internal mounting component can be changed to an appropriate material and shape.

  Similar to the first embodiment, a display device 502 such as a liquid crystal display element is disposed on the other main surface side of the housing 501. A display device 502 and a transparent screen 503 are incorporated on the other main surface side of the housing 501, and are fixed and water-stopped using a waterproof double-sided tape 504.

  As in the first embodiment, the display device 502, the circuit board 505, the battery 506, and the communication antenna 507 are appropriately electrically connected by connectors and flexible printed circuit (FPC) wiring.

  Next, the method for assembling the mobile terminal according to the present embodiment will be described. As in the first embodiment, the housing 501 is manufactured from a single sheet metal integrated plastic. As in the first embodiment, the display device 502 and the transparent screen 503 are incorporated on the other main surface side of the housing 501 formed in this way, and are fixed and water-stopped using a waterproof double-sided tape 504. A cover 520 is attached to the opening 519 on the side surface of the housing 501 as necessary.

  The camera 513 is attached to the rib 501 a of the first opening 508 of the housing 501. Further, the circuit board 505 is inserted into the first opening 508 and fixed. Similar to the first embodiment, the circuit board 505 is moved so as to change from the arrow D to the arrow E in FIG. 4, the electrodes are placed inside the frame, and the connector is further inserted into the opening 519.

  After fixing the circuit board 505 to the first opening 508, a flexible board 512 having a waterproof double-sided tape 511 is attached to the first opening 508. A camera screen 515 provided with a waterproof double-sided tape 514 is attached to the opening 512 a of the flexible substrate 512. The sticking order is not limited to this, and after the camera screen 515 having the waterproof double-sided tape 514 is attached to the opening 512a of the flexible substrate 512, the flexible having the waterproof double-sided tape 511 in the first opening 508 is provided. The substrate 512 may be attached.

  Further, the battery 506 is attached to the second opening 509 of the housing 501. When the battery 506 is mounted in the second opening 509, the battery 506 is electrically connected to the electrode of the circuit board 505 fixed to the first opening 508.

  Further, the communication antenna 507 is attached to the third opening 510 of the housing 501. The communication antenna 507 is a resin part on which an antenna is formed, a packing 516 is sandwiched between the housing 501 and the communication antenna 507, and the communication antenna 507 is fixed to the housing 501 with screws 517. Thereby, the 3rd opening part 510 of the housing | casing 501 is water-stopped.

  As described above, after the circuit board 505, the battery 506, and the communication antenna 507 are assembled in the first opening 508, the second opening 509, and the third opening 510 of the housing 501, respectively, the battery cover that covers the entire back surface of the device. Wear 518. In this way, the assembly of the mobile terminal of this embodiment is completed.

  According to the present embodiment, the first opening 508 of the housing 501 is stopped by the flexible substrate 512 provided with the waterproof double-sided tape 511, and the third opening 510 of the housing 501 sandwiches the packing 516 with the screw 517. Water is stopped by a fixed communication antenna 507. Thereby, the waterproof performance of a portable terminal can be improved similarly to 1st Embodiment. Further, with such a water-stopping structure, even if water enters the inside from between the housing 501 and the battery cover 518, the water-stopping function by the flexible board 512 allows the water to reach the circuit board 505 and the camera 513. Can be suppressed. By using the communication antenna 507 as a resin part on which the antenna is formed, it is possible to suppress moisture from reaching the antenna. Therefore, compared with the related portable terminal shown in FIG. 7, there is no moisture intrusion into the circuit board 505, the camera 513, and the communication antenna 507. Compared with the related mobile terminal assembling method shown in FIG. 7, the mobile terminal is easily assembled. A portable terminal having a sufficient waterproof function can be manufactured by a simple assembly operation.

  Furthermore, according to the portable terminal of this embodiment, the insertion and fixing of the circuit board 505 are designed with a dimensional relationship that realizes the movement from the arrow D to the arrow E in FIG. 4 as in the first embodiment. ing. According to such a design, the circuit board 505 can be inserted and fixed so as to be positioned in the first opening 508 while further reducing the opening of the first opening 508 of the housing 501. By reducing the opening of the first opening 508, there is no risk of moisture ingress, and the waterproof performance of the mobile terminal can be improved. The waterproof performance is stable as compared with the one using the packing of the background art.

  Furthermore, according to the mobile terminal of the present embodiment, the flexible substrate 512 has the opening 512a at a position overlapping the camera 513, and the waterproof double-sided tape 514 is provided in the opening 512a of the flexible substrate 512. Water is stopped by attaching a camera screen 515. Since the flexible substrate 512 has the opening portion 512 a, the flexible substrate 512 that stops the first opening portion 508 does not interfere with photographing by the camera 513. Thereby, waterproof performance can be improved, maintaining the imaging | photography performance of the camera 513. FIG. That is, it is possible to achieve both the photographing performance of the camera 513 and the waterproof performance of the mobile terminal.

  Furthermore, according to the portable terminal of this embodiment, the flexible substrate 512 having an antenna function is used. Thereby, a non-contact communication function can be mounted on the portable terminal. At that time, if the spiral antenna element is disposed in the periphery of the flexible substrate 512 and the opening 512a is disposed in the center of the flexible substrate 512, the antenna element does not interfere with the photographing of the camera 513. The opening 512a does not hinder the arrangement of the antenna element. Thereby, waterproof performance can be improved, maintaining the imaging | photography performance of the camera 513. FIG. In addition, a non-contact communication function can be mounted on the mobile terminal while maintaining the shooting performance of the camera 513. In addition, waterproof performance can be improved while a non-contact communication function is mounted on the mobile terminal. That is, the shooting performance of the camera 513, the non-contact communication function of the mobile terminal, and the waterproof performance of the mobile terminal can be compatible and coexist without any trade-off relationship.

[Third Embodiment]
Next, a portable terminal and a method for assembling the portable terminal according to the third embodiment of the present invention will be described. FIG. 6 is an exploded perspective view of a mobile terminal according to the third embodiment of the present invention. Detailed descriptions of the same or similar contents as those in the first and second embodiments will be omitted. This embodiment shows an example when the range and quantity of the opening part of a housing | casing are changed from 1st Embodiment and 2nd Embodiment.

  The mobile terminal according to this embodiment includes a housing 601 and a battery cover 618 as an example of a cover member attached to the housing 601, similarly to the mobile terminals according to the first embodiment and the second embodiment. The housing 601 is made of a single sheet metal integrated plastic. More specifically, as shown in an exploded perspective view in FIG. 6, the portable terminal includes a sheet metal and a resin, and a casing as an example of a casing member having a first opening 608 on one main surface. 601, a circuit board 609 inserted and fixed so as to be positioned in the first opening 608 of the housing 601, and an example of a sheet-like member attached so as to close the first opening 608 of the housing 601 And a battery cover 618 as an example of a cover member mounted on the one main surface side of the casing.

  The housing 601 is a plastic resin component in which a frame made of a plastic material and a metal plate, which is a metal plate, are integrally molded, as in the first and second embodiments. The one main surface of the housing 601 is formed with the first opening 608, and further has a second opening 610 adjacent to the first opening 608 through a frame. A circuit board 609 is incorporated so as to be positioned in the first opening 608 of the housing 601, and a battery 615 is incorporated in the second opening 610.

  The first opening 608 and the second opening 610 of the housing 601 are separated by a plastic material frame, but are configured to be able to be connected in part or in the entire area inside the frame. Thereby, the circuit board 609 and the battery 615 can be electrically connected in a state of being incorporated in the opening.

  Adjacent to the first opening 608 of the housing 601, a substantially rectangular rib 601a protrudes, and the camera 605 is incorporated from the display device 602 side. Furthermore, an opening is formed in the side surface of the housing 601 around the first opening 608, and the opening is stopped by a cover 619.

  As shown in the exploded perspective view of FIG. 6, the circuit board 609 inserted and fixed so as to be positioned in the first opening 608 is provided with an electrode 612 connected to the battery 615 at one end. A connector 611 used for connection with an external device is provided at the other end opposite to. About this arrangement | positioning, it is the same as that of 1st Embodiment and 2nd Embodiment. The circuit board 609 has a notch 609a. Further, the connector 611 of the circuit board 609 is designed to be positioned in the opening on the side surface of the housing 601 with the circuit board 609 fixed to the first opening 608.

  The first opening 608 is used for wiring processing of the circuit board 609 and the like. And by sticking the sheet | seat 614 provided with the waterproof double-sided tape 613, water is stopped similarly to 1st Embodiment. The opening 601b of the housing 601 is stopped by applying a camera screen 617 provided with a waterproof double-sided tape 616. The sheet 614 can be a flexible sheet having flexibility.

  A battery 615 is attached to the second opening 610 of the housing 601 as in the first and second embodiments. When the battery 615 is mounted in the second opening 610, the electrode 612 of the circuit board 609 fixed to be positioned in the first opening 608 and the electrode of the battery 615 are in contact with each other. The second opening 610 is appropriately waterproofed by a packing provided on the battery cover 618 that covers the entire back surface of the device.

  Similar to the first and second embodiments, a display device 602 such as a liquid crystal display element is disposed on the other main surface side of the housing 601. On the other main surface side of the housing 601, a display device 602 and a transparent screen 603 are incorporated, and are fixed and water-stopped using a waterproof double-sided tape 604. In this embodiment, the camera 605 and the communication antenna 606 are incorporated from the display device 602 side.

  As in the first and second embodiments, the display device 602, the circuit board 609, the battery 615, and the communication antenna 606 are appropriately electrically connected by connectors and flexible printed circuit wiring.

  Next, the method for assembling the mobile terminal according to the present embodiment will be described. The housing 601 is made of a single sheet metal integrated plastic. Further, the circuit board 609 is inserted and fixed so that the circuit board 609 is positioned in the first opening 608. In the present embodiment, unlike the first embodiment and the second embodiment, the first opening 608 does not reach the area necessary for incorporating the circuit board 609, and is therefore incorporated from the second opening 610 for battery incorporation. , And moved so as to fit in a predetermined position. That is, the circuit board 609 is inserted from the second opening 610 and translated inside the housing 601. Then, the circuit board 609 is fixed so as to be finally moved to the first opening 608 and positioned in the first opening 608. In order to realize such movement, each part of the housing 601 is designed to have a dimensional relationship that does not interfere with the movement range when the circuit board 609 is assembled.

  Further, a sheet 614 provided with a waterproof double-sided tape 613 is attached to the first opening 608. A camera screen 617 provided with a waterproof double-sided tape 616 is attached to the opening 601 b of the housing 601.

  Further, the battery 615 is attached to the second opening 610 of the housing 601. When the battery 615 is attached to the second opening 610, the battery 615 is electrically connected to the electrode 612 of the circuit board 609 fixed at the position of the first opening 608. Thus, after the circuit board 609 is assembled at the position of the first opening 608 of the housing 601 and the battery 615 is assembled into the second opening 610, the battery cover 618 covering the entire back surface of the device is attached.

  A camera 605 and a communication antenna 606 are incorporated on the other main surface side of the housing 601. Further, as in the first and second embodiments, the display device 602 and the transparent screen 603 are incorporated, and are fixed and water-stopped using the waterproof double-sided tape 604. A cover 619 is attached to the opening on the side surface of the housing 601 as necessary. In this way, the assembly of the mobile terminal of this embodiment is completed.

  According to the present embodiment, the first opening 608 of the housing 601 is stopped by the sheet 614 provided with the waterproof double-sided tape 613. Thereby, the waterproof performance of a portable terminal can be improved similarly to 1st Embodiment. Further, with such a water-stopping structure, even if water enters inside from between the housing 601 and the battery cover 618, the water-stopping function by the sheet 614 can suppress the arrival of water to the circuit board 609. Therefore, compared with the related portable terminal shown in FIG. 7, there is no moisture intrusion into the circuit board 609. Compared with the related mobile terminal assembling method shown in FIG. 7, the mobile terminal is easily assembled. A portable terminal having a sufficient waterproof function can be manufactured by a simple assembly operation.

  Furthermore, according to the portable terminal of the present embodiment, a portion in which the camera 605 and the communication antenna 606 are incorporated in the sheet metal 607 integrally formed in the housing 601 is deleted. As a result, the resin range of the housing 601 is enlarged, and the area of the opening 608 is reduced. Further, compared to the first embodiment, an opening for incorporating a communication antenna is eliminated on one main surface of the housing 601.

  Furthermore, according to the mobile terminal of this embodiment, the circuit board 608 is inserted and fixed from the second opening 610 in which the battery 615 is mounted. Even in the case of a portable terminal using the same size battery as the first embodiment and the second embodiment and having the second opening of the same size, the opening size of the first opening 608 is not limited to the insertion and fixing of the circuit board 609. It does not affect. Therefore, according to the portable terminal by this embodiment, the 1st opening part 608 can be made smaller than 1st Embodiment or 2nd Embodiment. According to such a design, the circuit board 609 can be inserted and fixed so as to be positioned in the first opening 608 while making the opening of the first opening 608 of the housing 601 smaller. By reducing the opening of the first opening 608, the waterproof performance of the portable terminal can be further improved as compared with the first embodiment and the second embodiment. The waterproof performance is stable as compared with the one using the packing of the background art.

  As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to this. For example, the present invention is not limited to the integral molding method of sheet metal and resin, but can be applied to a portable terminal manufactured by a holding method such as adhesion, welding, and screw fixing. It goes without saying that various modifications are possible within the scope of the invention described in the claims, and these are also included in the scope of the present invention. For example, the number, position, and area of the opening of the housing can be adjusted by the structure of the waterproof portable terminal.

A part or all of the above-described embodiment can be described as in the following supplementary notes, but is not limited thereto.
(Appendix 1) A casing member comprising a sheet metal and a resin and having a first opening on one main surface, a circuit board fixed so as to be positioned in the first opening, and the first opening A method for assembling a portable terminal having a sheet-like member attached so as to be closed,
A method for assembling a portable terminal, comprising: arranging and fixing the circuit board in the first opening, and then sticking the sheet-like member with an adhesive tape so as to close the first opening of the housing member.
(Supplementary note 2) The mobile terminal assembling method according to supplementary note 1, wherein the circuit board is inserted from the first opening of the housing member and fixed so as to be positioned in the first opening of the housing member. .
(Supplementary Note 3) A casing member including a sheet metal and a resin, having a first opening on one main surface, a circuit board fixed to be positioned at the first opening, and the first opening A method for assembling a portable terminal having a sheet-like member attached so as to be closed,
After the circuit board is placed and fixed in the first opening using the second opening, the sheet-like member is pasted via an adhesive tape so as to close the first opening of the housing member. Assembling method of portable terminal.
(Supplementary note 4) The method of assembling the portable terminal according to Supplementary note 3, wherein a battery is mounted in the second opening of the housing member, and the electrode of the battery and the electrode of the circuit board are electrically connected.
(Supplementary Note 5) A casing member that includes a sheet metal and a resin and has a plurality of openings, and a circuit board that is inserted and fixed so as to be disposed in at least the first opening of the plurality of openings. And a sheet-like member pasted so as to close the first opening.
(Additional remark 6) The said sheet-like member is provided with the adhesive tape, The portable terminal of Additional remark 5 which has sealed the said 1st opening part with the said adhesive tape.
(Appendix 7) The housing member further includes a second opening adjacent to the first opening,
The mobile terminal according to appendix 5, wherein the circuit board is inserted through the second opening and fixed to be disposed in the first opening.
(Supplementary note 8) The mobile terminal according to supplementary note 7, wherein a battery is mounted in the second opening, and an electrode of the battery is electrically connected to an electrode of the circuit board.
(Supplementary note 9) The mobile terminal according to any one of supplementary notes 5 to 8, wherein the sheet-like member is a flexible substrate.
(Additional remark 10) The portable terminal of Additional remark 9 with which the coil-shaped antenna is formed in the said sheet-like member.
(Supplementary note 11) The mobile terminal according to any one of supplementary notes 5 to 8, wherein the sheet-like member is a flexible sheet.
(Supplementary note 12) Any one of Supplementary notes 5 to 11, wherein the sheet-like member has an opening, and the opening of the sheet-like member is covered with another sheet-like member. The portable terminal as described in one.
(Supplementary note 13) The housing member has a third opening,
The portable terminal according to any one of supplementary notes 5 to 12, wherein another sheet-like member is attached so as to close the third opening.
(Supplementary note 14) The mobile terminal according to supplementary note 13, wherein a resin component having an antenna circuit is attached to the third opening of the housing member.

101, 501, 601 Housing 101a, 501a, 601a Rib 102, 502, 602 Display device 103, 503, 603 Transparent screen 104, 111, 114, 116, 504, 511, 514, 516, 604, 613, 616 Waterproof both sides Tape 105, 505, 609 Circuit board 105a, 505a, 609a Notch 106, 506, 615 Battery 107, 507, 606 Communication antenna 108, 109, 110, 508, 509, 510, 608, 610 Opening 112, 117, 614 Sheet 113, 513, 605 Camera 115, 515, 617 Camera screen 118, 518, 618 Battery cover 119, 516 Packing 120, 121 Frame 122, 607 Sheet metal 123, 611 Connector 124, 12 electrodes 125,519 openings 126,520,619 cover 512 flexible substrate 512a, 601b opening 517 screws

Claims (10)

  A housing member including a sheet metal and a resin, and having a plurality of openings, a circuit board inserted and fixed so as to be disposed in at least a first opening of the plurality of openings, and the first A portable terminal having a sheet-like member attached so as to close the opening.   The portable terminal according to claim 1, wherein the sheet-like member includes an adhesive tape, and the first opening is sealed with the adhesive tape. The housing member further includes a second opening adjacent to the first opening,
The mobile terminal according to claim 1, wherein the circuit board is inserted through the second opening and fixed to be disposed in the first opening.   The mobile terminal according to claim 3, wherein a battery is mounted in the second opening, and an electrode of the battery is electrically connected to an electrode of the circuit board.   The portable terminal according to any one of claims 1 to 4, wherein the sheet-like member is a flexible substrate.   The portable terminal according to claim 5, wherein a coiled antenna is formed on the sheet-like member.   The portable terminal according to claim 1, wherein the sheet-like member is a flexible sheet.   The sheet-like member has an opening, and the opening of the sheet-like member is further sealed with another sheet-like member. The portable terminal according to item. The housing member has a third opening;
The portable terminal according to any one of claims 1 to 8, wherein another sheet-like member is attached so as to close the third opening. A casing member comprising a sheet metal and a resin and having a first opening on one main surface, a circuit board fixed so as to be positioned in the first opening, and affixed so as to close the first opening A method for assembling a portable terminal having a sheet-like member attached thereto,
After the circuit board is placed and fixed in the first opening using the second opening, the sheet-like member is pasted via an adhesive tape so as to close the first opening of the housing member. Assembling method of portable terminal.

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