CN2607718Y

CN2607718Y - Circuit board holding structure for portable electronic apparatus

Info

Publication number: CN2607718Y
Application number: CN 03223532
Authority: CN
Inventors: 秦水源; 廖运祥
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2003-01-28
Filing date: 2003-01-28
Publication date: 2004-03-24
Anticipated expiration: 2013-01-28

Abstract

The utility model relates to a circuit board holding structure for portable electronic apparatus, which comprises a circuit board and a casing, wherein the circuit board is provided with at least one convex rib; the casing is provided with an accommodating space and is provided with at least one supporting wall and one buckle; the supporting wall is provided with an open pore. When the circuit board and the casing are assembled, the convex rib is accommodated and held in the open pore, and one side wall of the circuit board is held in the buckle, so the circuit board is accommodated and held on the casing. The holding structure of the circuit board, a front cover, a rear cover and a battery are assemble to form a portable electronic apparatus; the circuit board is held firmly and is not easy to loose, and the assembling and disassembling of the utility model are convenient.

Description

The circuit board retention structure of portable electron device

[technical field]

The utility model is to close at a kind of portable electron device, refers in particular to a kind of circuit board retention structure of portable electron device.

[background technology]

Existing portable electron device, as mobile phone, the normally engaging of the last lower house by mobile phone and with its circuit board assembling and be retained in the body of mobile phone, announce the 6th as United States Patent (USP), 111, No. 760 patents, it discloses a kind of assembling of mobile phone, wherein the sidewall of mobile phone protecgulum is provided with several finger-like fins of downward extension, the bottom of finger-like fin is provided with the riveted tooth, mobile phone lower cover madial wall correspondence is provided with several riveted recesses, circuit board around also correspondence be provided with several breach.During assembling, thus the finger-like fin of aforementioned protecgulum pass riveted recess that the breach of circuit board makes its riveted tooth and lower cover mutually riveted with circuit board holding between the protecgulum and bonnet of mobile phone.

Yet, be easy to cause circuit board holding insecure, easily loosening the mode of circuit board holding by the engaging of last lower house, cause engaging when relaxing if last lower house is subjected to the external force effect, must cause the loosening of circuit board, thereby influence the electrical connection of mobile phone inside.In addition, the fixing mode of aforementioned circuit plate, for Collapsible mobile telephone, when circuit board and front and back lid, when battery and other component groups are dressed up complete machine, the installed surface of its protecgulum can only be placed on up on the supporting surface, supercircuit plate up progressively again, assembly such as battery and bonnet, and only at bonnet with after protecgulum engages fixing mutually, circuit board just is fixed, yet, if with the installed surface of protecgulum supercircuit plate down and progressively, assembly such as battery and bonnet then because of circuit board can't cause and can't assemble prior to the bonnet fixing, and brings inconvenience for the detection of the circuit board of mobile phone.

In addition, also have at present on the circuit board perforation and by screw pass these holes and with circuit board holding in the mobile phone body, yet this mode needs additional assemblies, and occupy the inner confined space of mobile phone, and give the assembling of mobile phone and safeguard that dismounting brings inconvenience.

[summary of the invention]

The purpose of this utility model be to provide a kind of fixing firmly, prevent to become flexible and the circuit board retention structure of the portable electron device of assembling and convenient disassembly.

For achieving the above object, the utility model provides a kind of circuit board retention structure, comprises a circuit board and a housing, wherein this circuit board is provided with at least one fin, offer at least one perforate on this housing, when circuit board and housing assembling, this fin is accommodated and is retained in this perforate.

Compare the fixing mode of existing circuit board, the utility model circuit board retention structure cooperatively interacts circuit board because of it by being arranged on the fin on the circuit board and being arranged between perforate on the housings support wall, and circuit-board card is held on the housing, therefore circuit board holding is firm, difficult loosening, and assembling and convenient disassembly.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model circuit board retention structure.

Fig. 2 is the partial enlarged drawing of Fig. 1 area I I.

Fig. 3 is the three-dimensional assembly diagram of the utility model circuit board retention structure.

Fig. 4 is the partial enlarged drawing of Fig. 3 area I V.

Fig. 5 is the partial enlarged drawing of Fig. 3 zone V.

[embodiment]

Please refer to Fig. 1, circuit board retention structure 1 of the present utility model comprises a circuit board 10 and a housing 20.In the present embodiment, this circuit board retention structure 1 is to be used for mobile phone, and circuit board 10 is a main circuit board, and housing 20 is the front panel of mobile phone.Wherein circuit board 10 has a upper surface 11, the first side wall 12, second sidewall 13 and a lower surface 15, extend horizontally away

fin

14,16 and and stop wall 17 on second sidewall 13.Aforementioned housing 20 comprises five walls: upper wall 201, lower wall 202, left side wall 203, right side wall 204 and diapire 205, and limit a receiving space 21 jointly by this five wall, wherein this right side wall 204 is provided with a buckle 22, extend supporting

walls

23,25,27 on the left side wall 203 vertically upward, supporting

walls

23,25 is positioned on the same horizontal line, can be at regular intervals between the outer horizontal line of place horizontal line and left side wall 203, be beneficial to install mobile phone sidewall button module (not icon).Offer a perforate 24,26,28 on each supporting

walls

23,25,27 respectively, the shape and size of perforate 24,26 are corresponding with

aforementioned fin

14,16, and can be with these fin 14,16 fixings within it, and supporting walls 27 and perforate 28 thereof match with other parts when being used for the mobile phone assembling.

Please refer to Fig. 2, buckle 22 has "T"-shaped cross section, it comprises hook portion 220 and matrix part 221, the sectional dimension of hook portion 220 is big than matrix part 221 sectional dimensions, and in housing 20 horizontal-extending, matrix part 221 can be a cylindricality, is the inwall vertical extent in receiving space 21 by the right side wall 204 of housing 20.This buckle 22 has two supporting surfaces: first supporting surface 223 and second supporting surface 224 lay respectively at the bottom surface of its hook portion 220 and the side of matrix part 221, and first supporting surface 223 equates with the thickness of circuit board 10 that from the distance of the diapire 205 of receiving space 21 top of hook portion 220 is provided with an inclined-plane 222 near the receiving space 21 of housing 20.

Please refer to Fig. 3, be to be the three-dimensional assembly diagram of circuit board 10 with housing 20 fixings, during assembling, insert circuit board 10 in the receiving space 21 of housing 20 up with its upper surface 11, earlier with the fin 14 on its

second sidewall

13,16 pass and are housed in the supporting walls 23 of housing 20 respectively, 25 perforates of being offered 24, in 26, be rotated down circuit board 10 then, the first side wall 12 that makes circuit board 10 along the inclined-plane 222 of the buckle 22 of the right side wall 204 of housing 20 to lower slider and first supporting surface that is pressed into buckle 22 below 223, thereby circuit board 10 is retained in the receiving space 21 of housing 20, and the outer seamed edge (not icon) of supporting walls 25 of the left side wall 203 of housing 20 is supported on the prevention wall 17 of second sidewall 13 of circuit board 10.

Please together with reference to Fig. 4 and Fig. 5, at this moment, the first side wall 12 of circuit board 10 is held in the buckle 22 of housing 20, upper surface 11 supports on first supporting surface 223 of buckle 22, and its first side wall 12 supports on second supporting surface 224 of buckle 22, thereby circuit board 10 is held in the receiving space 21 of housing 20.

Circuit board 10 is assembled the back by the way with housing 20 and is formed circuit

board retention structure

1,20 of circuit board 10 and housings can sandwich other associated component as required, as button gasket and button circuit board etc., thereby form a circuit board module, form a mobile phone thereby this circuit board module is assembled into one by existing assemble methods such as screw, bolt, grab and battery, front and rear covers, LCD panel and other associated component.No matter during assembling, can be begun by protecgulum, also can be begun progressively to assemble by bonnet, because of circuit board 10 has been retained on the housing 20, be that assembling with protecgulum faces up or all can assemble down, and like this, the detection of assembling and circuit board is comparatively convenient.When taking circuit board 10 apart, its first side wall 12 to inner rotary, and is made its rib protruding 14,16 break away from supporting

walls

23,25 perforates of being offered 24,26 get final product, and need not other instrument dismounting, thus also comparatively convenient.

Aforementioned circuit plate holding structure 1 also can be used for other portable electron device, as PDA(Personal Digital Assistant), aforementioned housing 20 can be the arbitrary housing or the lid of portable electron device, and aforementioned fin 14 is set on this

housing

20,16, supporting

walls

23,25 and buckle 22, assemble the circuit board retention structure 1 that is formed for other portable electron device by aforementioned manner, this circuit board retention structure 1 is passed through screw, bolt, existing assemble method such as grab and battery, front and rear covers, thereby panel and other associated component are assembled into one and form a portable electron device.

Be appreciated that, the

fin

14,16 that is provided with on second sidewall 13 of aforementioned circuit plate 10 can be one or several, correspondingly, the supporting walls that is provided with on the left side wall 203 of housing 20 also can be one or several, and offer a perforate on each supporting walls respectively, play the effect of fixing circuit board 10 by these fins and cooperating of perforate.Equally, aforementioned buckle 22 can be one or several, and these buckles 22 and supporting walls can be arranged on the arbitrary appropriate position of housing 20.

Aforementioned fin

14,16 can be rectangle, circle, trapezoidal or other shape, and correspondingly, perforate 24,26 has same or analogous with it shape, to accommodate and this

fin

14,16 of fixing.

Be appreciated that perforate 24,26 that circuit board holding device 1 of the present utility model also can only be offered by

aforementioned fin

14,16 and supporting

walls

23,25 matches and with circuit board 10 fixings, perhaps only passes through buckle 22 with circuit board 10 fixings.

Claims

1. the circuit board retention structure of a portable electron device, comprise circuit board and housing, it is characterized in that: this circuit board is provided with at least one fin, offers at least one perforate on this housing, when circuit board and housing assembling, this fin is accommodated and is retained in this perforate.

2. the circuit board retention structure of portable electron device as claimed in claim 1 is characterized in that: also be provided with at least one buckle on the described housing.

3. the circuit board retention structure of portable electron device as claimed in claim 2, it is characterized in that: described buckle has a hook portion and a matrix part, the bottom surface of this hook portion has first supporting surface, the side of matrix part has second supporting surface, and the upper surface of circuit board and a sidewall support respectively on this first supporting surface and second supporting surface.

4. the circuit board retention structure of portable electron device as claimed in claim 3 is characterized in that: described hook portion and matrix part are that the sidewall from this housing extends in housing.

5. the circuit board retention structure of portable electron device as claimed in claim 4, it is characterized in that: described hook portion has an inclined-plane.

6. the circuit board retention structure of portable electron device as claimed in claim 5 is characterized in that: distance equates with aforementioned circuit plate one sidewall thickness between the bottom of described first supporting surface and housing.

7. the circuit board retention structure of portable electron device as claimed in claim 6, it is characterized in that: described housing is provided with at least one supporting walls, and described perforate is opened on this supporting walls.

8. the circuit board retention structure of portable electron device as claimed in claim 7, it is characterized in that: described fin is extended by circuit board one sidewall horizontal.

9. the circuit board retention structure of portable electron device as claimed in claim 8, it is characterized in that: described supporting walls is extended vertically upward by a sidewall of described housing.

10. the circuit board retention structure of portable electron device as claimed in claim 7, it is characterized in that: described circuit board is provided with in order to support the prevention wall of described supporting walls.