CN2842996Y - Backing board and electric connector assembly using same - Google Patents
Backing board and electric connector assembly using same Download PDFInfo
- Publication number
- CN2842996Y CN2842996Y CN 200520067707 CN200520067707U CN2842996Y CN 2842996 Y CN2842996 Y CN 2842996Y CN 200520067707 CN200520067707 CN 200520067707 CN 200520067707 U CN200520067707 U CN 200520067707U CN 2842996 Y CN2842996 Y CN 2842996Y
- Authority
- CN
- China
- Prior art keywords
- backboard
- electric connector
- circuit board
- coupler component
- mating surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model relates to a backing board. The backing board and an electronic component are positioned at both opposite sides of a circuit board, and the electronic component is provided with a plurality of tin balls which can be welded with the circuit board. The utility model is characterized in that the lower surface of the backing board is provided with a first fitting surface and a second fitting surface, and a downwards concave reinforcement rib is arranged between the first fitting surface and the second fitting surface. The periphery of the first fitting surface exceeds the area of the electronic component provided with the tin balls. The backing board and an electric connector assembly using the backing board of the utility model can not cause an electric connector to split, and can ensure the normal electrical connection between the electric connector and the circuit board.
Description
[technical field]
The utility model relates to a kind of backboard and uses the electric coupler component of this backboard.
[background technology]
Existing electric coupler component, generally include the electric connector and the backboard that are positioned at the relative both sides of circuit board, this electric connector be provided with some can with the tin ball of circuit board welding, it realizes electric connector, circuit board, backboard are fixed together by fixed structures such as screws.At present, backboard such as United States Patent (USP) US5883782 patent that industry is commonly used, generally comprise main body and the through hole that is positioned at four angles of main body, fixed structure passes this through hole backboard is fixed on the circuit board, to realize electrically conducting of electric connector and circuit board, but it is provided with one and the contacted contact-making surface of circuit board owing to this backboard, and the periphery of this contact-making surface is positioned at the zone that this electric connector is provided with the tin ball, therefore, in the process of installing, because discontinuity, can cause the flexural deformation of circuit board, thereby make tin ball generation solder crack, cause not prison welding solid, influence its normal electric connection.
Therefore, be necessary to design a kind of novel backboard and use the electric coupler component of this backboard, to overcome above-mentioned defective.
[utility model content]
The electric coupler component that the purpose of this utility model is to provide a kind of backboard and uses this backboard, it can guarantee that electric connector and circuit board electrically connect normally.
In order to reach above-mentioned creation purpose, the utility model backboard, it is positioned at the relative both sides of circuit board with electronic building brick, this electronic building brick be provided with some can with the tin ball of circuit board welding, this backboard lower surface has first mating surface and second mating surface, be provided with reinforced ribs between the two, and the periphery of first mating surface surpasses the zone of establishing the tin ball on this electronic building brick to lower recess.
The utility model electric coupler component, comprise the electric connector and the backboard that are positioned at the relative both sides of circuit board, this electric connector be provided with some can with the tin ball of circuit board welding, this backboard lower surface has first mating surface and second mating surface, be provided with reinforced ribs between the two, and the periphery of first mating surface surpasses the zone of establishing the tin ball on this electric connector to lower recess.
Compared with prior art, the utility model backboard and use the electric coupler component of this backboard can not make electric connector generation solder crack, and can guarantee that electric connector and circuit board electrically connect normally.
[description of drawings]
Fig. 1 is the schematic perspective view of the utility model electric coupler component and circuit board;
Fig. 2 is the backboard of the utility model electric coupler component and the cutaway view of circuit board and insulating body;
Fig. 3 is the stereogram of the backboard of the utility model electric coupler component;
Fig. 4 is the vertical view of another embodiment of the utility model electric coupler component;
Fig. 5 is the front view of electric coupler component shown in Figure 4;
Fig. 6 is the stereogram of the 3rd embodiment of the backboard of the utility model electric coupler component.
[embodiment]
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to figs. 1 through Fig. 3, the utility model electric coupler component, in order to connect chip module (not shown), comprise that the electric connector 2 that is positioned at the circuit board 1 relative both sides that are provided with perforation 10 is (certain, also can be other electronic building brick) and backboard 3, and the fixed structure (being screw 4 in the present embodiment) in order to electric connector 2, backboard 3, circuit board 1 are fixed together.
This electric connector 2 comprises the main body 21 that is provided with tool through hole 20 and is installed in the upper cover body 22 of main body 21 1 ends in order to the compacting chip module, is equiped with one in order to upper cover body 22 is suppressed the rocking bar 23 on main body 21 at the other end of main body 21.Wherein, this main body 21 comprises insulating body 24 and conducting terminal (not shown), and described through hole 20 is arranged on the insulating body 21, and screw 4 can pass through hole 20 electric connector 2, circuit board 1, backboard 3 are fixed together.In addition, also be provided with dented space on the insulating body 24, can hold chip module, be provided with some location divisions (not shown) at insulating body 24 lower surfaces, can locate this electric connector, be provided with plurality of terminals accommodation hole (not shown) in the spatial accommodation, described conducting terminal is housed in this terminal accommodation hole, and this conducting terminal tail end is provided with the tin ball 5 that welds with circuit board.
Described backboard 3 roughly is rectangle, bending is provided with reinforcement 30 downwards all around, its lower surface has first mating surface 31 and second mating surface 32, is provided with the reinforced ribs 33 to lower recess between the two, and the periphery of first mating surface 31 surpasses the zone of establishing tin ball 5 on this electric connector 2.In addition, this backboard 3 is provided with fixed part 34, and fixed part 34 is positioned on second mating surface 32, and described screw 4 can pass on the insulating body 24 that the corresponding perforation 10 that is provided with matches with fixed part 34 on the through hole 20 that is provided with and the circuit board 1, and electric connector 2, backboard 3, circuit board 1 are fixed together.
The utility model electric coupler component is because the periphery of first mating surface 31 of backboard 3 surpasses the zone of establishing the tin ball on this electric connector, make it in the process of installing, can not make electric connector generation solder crack, and can guarantee that electric connector and circuit board electrically connect normally.
Please refer to Fig. 4, shown in Figure 5, be another embodiment of the present utility model, itself and the foregoing description difference are: described main body comprises reinforcement 22 ', be contained in insulating body 24 ' and conducting terminal on the reinforcement 22 ', described through hole 20 ' is arranged on the reinforcement 22 ', the corresponding perforation that is provided with matches with fixed part this screw 4 on through hole on the reinforcement and the circuit board in order to pass, make electric connector, backboard, circuit board is fixed together, it also can reach equally in the process of installing can not make electric connector generation solder crack, and can guarantee that electric connector and circuit board electrically connect normally.
Please refer to shown in Figure 6, be the 3rd embodiment of the present utility model, itself and the first embodiment difference are: be provided with two reinforced ribs 33 to lower recess between first mating surface 31 of described backboard 3 and second mating surface 32, it also can reach equally in the process of installing can not make electric connector generation solder crack, and can guarantee that electric connector and circuit board electrically connect normally.
Claims (10)
1. backboard, it is positioned at the relative both sides of circuit board with electronic building brick, this electronic building brick be provided with some can with the tin ball of circuit board welding, it is characterized in that: this backboard lower surface has first mating surface and second mating surface, be provided with reinforced ribs between the two, and the periphery of first mating surface surpasses the zone of establishing the tin ball on this electronic building brick to lower recess.
2. backboard as claimed in claim 1 is characterized in that: bending downwards is provided with reinforcement around this backboard.
3. backboard as claimed in claim 1 is characterized in that: this backboard is provided with fixed part, and fixed position is on second mating surface.
4. electric coupler component, comprise the electric connector and the backboard that are positioned at the relative both sides of circuit board, this electric connector be provided with some can with the tin ball of circuit board welding, it is characterized in that: this backboard lower surface has first mating surface and second mating surface, be provided with reinforced ribs between the two, and the periphery of first mating surface surpasses the zone of establishing the tin ball on this electric connector to lower recess.
5. electric coupler component as claimed in claim 4 is characterized in that: bending downwards is provided with reinforcement around this backboard.
6. electric coupler component as claimed in claim 4 is characterized in that: this backboard is provided with fixed part, and fixed position is on second mating surface.
7. electric coupler component as claimed in claim 4 is characterized in that: this electric coupler component also comprises fixed structure, and described electric connector is provided with the main body of tool through hole, and fixed structure passes through hole electric connector, circuit board, backboard are fixed together.
8. electric coupler component as claimed in claim 7 is characterized in that: this main body comprises insulating body and conducting terminal, and described through hole is arranged on the insulating body.
9. electric coupler component as claimed in claim 7 is characterized in that: this main body comprises reinforcement, is contained in insulating body and conducting terminal on the reinforcement, and described through hole is arranged on the reinforcement.
10. electric coupler component as claimed in claim 4 is characterized in that: described electric connector also comprises upper cover body and the rocking bar of being located at the main body two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067707 CN2842996Y (en) | 2005-11-22 | 2005-11-22 | Backing board and electric connector assembly using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067707 CN2842996Y (en) | 2005-11-22 | 2005-11-22 | Backing board and electric connector assembly using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842996Y true CN2842996Y (en) | 2006-11-29 |
Family
ID=37446863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520067707 Expired - Lifetime CN2842996Y (en) | 2005-11-22 | 2005-11-22 | Backing board and electric connector assembly using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842996Y (en) |
-
2005
- 2005-11-22 CN CN 200520067707 patent/CN2842996Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061129 |
|
| EXPY | Termination of patent right or utility model |