CN207925711U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN207925711U CN207925711U CN201820311458.2U CN201820311458U CN207925711U CN 207925711 U CN207925711 U CN 207925711U CN 201820311458 U CN201820311458 U CN 201820311458U CN 207925711 U CN207925711 U CN 207925711U
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- accepting hole
- insulating body
- side wall
- wall surface
- axis
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Abstract
The utility model embodiment discloses a kind of electric connector, including insulating body and multiple conducting terminals for being contained in insulating body, insulating body is equipped with multiple accepting holes, one accepting hole accommodates a corresponding conducting terminal, each accepting hole includes the first accepting hole, second accepting hole and third accepting hole, multiple first accepting holes are arranged in parallel along the X-axis of insulating body, in each accepting hole, second accepting hole and third accepting hole are located at the opposite sides of the first accepting hole, and it is connected to the first accepting hole, second accepting hole is angularly disposed relative to the X-axis and Y-axis of insulating body；The second side wall surface and the spacing L1 of third side wall surface front end are less than the spacing L2 of the second side wall surface and third side wall surface rear end.By the above-mentioned means, conducting terminal can be stably fixed in insulating body by the utility model embodiment, and deformed after avoiding conducting terminal stress.
Description
Technical field
The utility model embodiment is related to connector technique field more particularly to a kind of electric connection chip module to printing
The electric connector of circuit board.
Background technology
Planar grid array electric connector is widely used in electronic field, for being electrically connected chip module to printed circuit
Plate, to realize the transmission of signal and data between chip module and circuit board.The electric connector includes insulating body and is contained in absolutely
The intrinsic multiple conducting terminals of edge, when chip module is connect by the electric connector with circuit board, the contact site of conducting terminal
It mutually being crimped with the conductive sheet of chip module, the weld part of conducting terminal is then mutually welded by the conductive sheet of solder and circuit board, from
And form the signal transmission between chip module and circuit board.
Enhance with the function of electronic product, the integrated level of electronic device is higher and higher, and electric connector is also laid more next
It is more intensive, thus the conducting terminal of electric connector more do it is smaller so that the intensity of conducting terminal itself is more and more weaker, and intensity
The elasticity of the conducting terminal of decrease also reduces therewith.For the process for avoiding in the accepting hole that conducting terminal is assembled into insulating body
In, there is the problem of conducting terminal deformation, it is generally the case that the size of accepting hole need to be more than the size of conducting terminal, and have
Certain is more than needed.
When chip module is by way of pressing and the conducting terminal of electric connector is electrically connected, due to the size of accepting hole
More than the size of conducting terminal, conducting terminal stress backward shift is easily led to；By the opposite position for changing conducting terminal and accepting hole
It sets, conducting terminal can be stably fixed in insulating body, but have the following disadvantages:It can not disperse after conducting terminal stress outer
Power, it is unstable to may result in terminal structure, and then it is good to cause conducting terminal not formed completely with chip module or circuit board
Good contact, influences the signal transmission between chip module and circuit board.
Utility model content
Conducting terminal can be stably fixed on by the utility model embodiment mainly solving the technical problems that offer one kind
In insulating body, and deformed after avoiding conducting terminal stress.
The utility model use a technical solution be：A kind of electric connector is provided, for being electrically connected chip module
It is equipped with to printed circuit board, including insulating body and multiple conducting terminals for being contained in the insulating body, the insulating body
Multiple accepting holes, accepting hole accommodate a corresponding conducting terminal, each described accepting hole includes the first accepting hole, the
Two accepting holes and third accepting hole, multiple first accepting holes are arranged in parallel along the X-axis of the insulating body, in each institute
State in accepting hole, second accepting hole and the third accepting hole are located at the opposite sides of first accepting hole, and with
The first accepting hole connection, second accepting hole are angularly disposed relative to the X-axis and Y-axis of the insulating body；
First accepting hole includes the first front face, the first side wall face and the first rear surface, the second accepting hole packet
Include the second front face, the second side wall surface and the second rear surface, the third accepting hole include third front face, third side wall surface and
Third rear surface；
The conducting terminal includes main part, the elastic arm extended from the main part upper end and from the main part lower end
The interconnecting piece of extension, further includes the holding parts extended from the side edge bending of the main part, and the main part at least partly accommodates
In second accepting hole, the holding parts are at least partially housed in the third accepting hole, the main part and described
Holding parts are not parallel to the X-axis and Y-axis of the insulating body；
The second side wall surface and the spacing L1 of third side wall surface front end are less than the second side wall surface and described the
The spacing L2 of three side wall surface rear ends.
Optionally, the first rear surface of first accepting hole is parallel to the X-axis of the insulating body, the third receiving
The third rear surface in hole and first rear surface are coplanar.
Optionally, described there are spacing L3 between the holding parts and first rear surface and the third rear surface
The free extreme direction of spacing L3 towards the holding parts tapers into.
Optionally, the width of the third accepting hole gradually increases towards first accepting hole direction, the third antetheca
Face and the third rear surface are not parallel.
Optionally, the third side wall surface of the third accepting hole and the third rear surface form on-right angle.
Optionally, the second side wall surface is obliquely installed relative to the X-axis and Y-axis of the insulating body, before described second
Wall surface is parallel with second rear surface.
Optionally, when the angle of inclination of X-axis of the second side wall surface relative to the insulating body is θ, the third
The angle that side wall surface and the third rear surface are formed is less than (180 ° of-θ) and is not equal to 90 °.
In some embodiments, on the insulating body upper surface, second accepting hole and the third accepting hole
It is provided with chamfering.
In some embodiments, it is additionally provided on the insulating body from second rear surface towards first accepting hole
The support portion protruded out, the support portion are connected to the main part of the conducting terminal.
Optionally, the support portion includes the columnar part extended the insulating body upper surface and formed, the columnar part
Cross section taper into from the bottom to top.
The advantageous effect of the utility model embodiment is：The case where being different from the prior art, the utility model embodiment
Electric connector includes insulating body and multiple conducting terminals for being contained in insulating body, and insulating body is equipped with multiple accepting holes, often
One accepting hole includes the first accepting hole, the second accepting hole and third accepting hole, in each accepting hole, the second accepting hole and third
Accepting hole is located at the opposite sides of the first accepting hole, and is connected to the first accepting hole, and the second accepting hole is relative to insulating body
X-axis and Y-axis it is angularly disposed, wherein the second side wall surface and the spacing L1 of third side wall surface front end are less than the second side wall surface and the
The spacing L2 of three side wall surface rear ends by the above-mentioned means, conducting terminal can be stably fixed in insulating body, and avoids leading
It is deformed after electric terminal stress.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of the utility model wherein electric connector of an embodiment；
Fig. 2 is the vertical view of the electric connector of the utility model embodiment；
Fig. 3 is the vertical view of the insulating body in the electric connector of the utility model embodiment；
Fig. 4 is the partial enlarged view of the part B of insulating body shown in Fig. 3；
Fig. 5 is the vertical view of the accepting hole of the insulating body of the utility model embodiment；
Fig. 6 is the structural schematic diagram of the conducting terminal in the electric connector of the utility model embodiment；
Fig. 7 is the upward view of conducting terminal shown in fig. 6；
Fig. 8 is the partial enlarged view of the part A of electric connector shown in Fig. 2.
Specific implementation mode
A kind of electric connector that the utility model wherein embodiment provides, for being electrically connected chip module (not shown)
To printed circuit board (not shown), referring to Fig. 1, the electric connector 10 includes insulating body 100 and multiple is contained in insulation
The conducting terminal 200 of ontology 100, insulating body 100 have upper surface 101 and the lower surface 102 opposite with upper surface 101, when
After electric connector 10 is connect with chip module, upper surface 101 is closer to chip module.
Also referring to Fig. 2, insulating body 100 is equipped with multiple accepting holes 110, and multiple accepting holes 110 are in insulating body
It is arranged along the X-axis of insulating body 100 in the grid-like arrangement of M rows × N row, the row in 100, the row are along insulating body 100
Y-axis setting.One accepting hole 110 accommodates a corresponding conducting terminal 200.
Fig. 3 and Fig. 4 are please referred to, each accepting hole 110 includes the first accepting hole 111, the second accepting hole 112 and third receiving
Hole 113, multiple first accepting holes 111 are arranged in parallel along the X axis of insulating body 100.In each accepting hole 110, the second receiving
Hole 112 and third accepting hole 113 are located at the opposite sides of the first accepting hole 111, and are connected to the first accepting hole 111, second
Accepting hole 112 is angularly disposed relative to the X-axis and Y-axis of insulating body 100.
First accepting hole 111 includes the first front face 1111, the first side wall face 1112 and the first rear surface 1113, before first
Wall surface 1111 and the first rear surface 1113 are oppositely arranged, the first front face 1111 and the first side wall face 1112 can by chamfering or
Arc transition connects, and the first side wall face 1112 is not connect with the first rear surface 1113.Optionally, the first rear surface 1113 is flat
For row in the X-axis of insulating body 100, the present embodiment, the first rear surface 1113 is parallel to the X-axis setting of insulating body 100.
Second accepting hole 112 includes the second front face 1121, the second side wall surface 1122 and the second rear surface 1123, before second
Wall surface 1121 and the second rear surface 1123 are oppositely arranged, and the second front face 1121 and the second rear surface 1123 are and second sidewall
Face 1122 connects.In one embodiment, the second side wall surface 1122 is obliquely installed relative to the X-axis and Y-axis of insulating body 100, the
Two front faces 1121 are parallel with the second rear surface 1123.
Third accepting hole 113 includes third front face 1131, third side wall surface 1132 and third rear surface 1133, before third
Wall surface 1131 and third rear surface 1133 are oppositely arranged, and third front face 1131 and third rear surface 1133 with third side wall
Face 1132 connects.Third rear surface 1133 and the first rear surface 1113 are coplanar, third side wall surface 1132 and third rear surface 1133
On-right angle is formed, can be obtuse angle, can also be acute angle.In one embodiment, the width of third accepting hole 113 is accommodated towards first
111 direction of hole gradually increases, and third front face 1131 and third rear surface 1133 are not parallel.
Wherein, the spacing L1 of 1132 front end of the second side wall surface 1122 and third side wall surface is less than the second side wall surface 1122 and the
The spacing L2 of three side wall surfaces, 1132 rear end.When it is implemented, as shown in Fig. 5, when the second side wall surface 1122 is relative to insulating body
When the angle of inclination of 100 X-axis is θ, the angle beta of third side wall surface 1132 and the formation of third rear surface 1133 is less than (180 ° of-θ)
And it is not equal to 90 °, so that the distance of L1 is less than L2.
Also referring to Fig. 6, each conducting terminal 200 includes flat main part 210, and 210 upper end of main body is prolonged
The interconnecting piece 230 that the elastic arm 220 stretched and 210 lower end of main body extend.Elastic arm 220 has good elasticity and stretching
In outside insulating body 100, interconnecting piece 230 is connected with weld part 240, and weld part 240 is substantially in 90 degree curved with main part 210
Folding, and conducting terminal 200 is soldered to by printed circuit board by solder.
Conducting terminal 200 further includes the holding parts 250 that the side edge bending of main body 210 extends, holding parts 250 and main body
A side that portion 210 connects is fixing end, and another side is free end.
Optionally, conducting terminal 200 further includes the continuous material 260 of the side edge bending extension of main body 210, continuous material
260 and holding parts 250 be located at the same side of main part 210, continuous material 260 is located at the top of holding parts 250, and and holding parts
250 are generally aligned in the same plane.
As shown in fig. 7, the angle [alpha] formed between holding parts 250 and main part 210, range is at 155 ° -160 °.
Deformation slot 270 is provided between main part 210 and holding parts 250, deformation slot 270 is in closed structure, and quantity is extremely
It is one less.Deformation slot 270 has crush resistance, when conducting terminal 200 to be assembled into the accepting hole 110 of insulating body 100
When, compressional deformation slot 270 after 250 stress of holding parts so that the power that main part 210 is shared is less, and conducting terminal 200 is not variable
Shape reduces the fraction defective of conducting terminal 200 after assembling.
The lower end of interconnecting piece 230 is connect with weld part 240, and separate slot 280, deformation slot are formed between upper end and main part 210
270 are set to the top of separate slot 280.
In some embodiments, main part 210 is provided with extension 290, extension 290 in the lower section of holding parts 250
In the side of separate slot 280, during conducting terminal 200 is assembled into insulating body 100, extension 290 can balance main body
The stress in portion 210 so that the conducting terminal 200 after assembling is more secured, stable, reduces fraction defective.
Referring to Fig. 8, after conducting terminal 200 is assembled into insulating body 100, main part 210 is at least partially housed in
In two accepting holes 112, holding parts 250 are at least partially housed in third accepting hole 113, and main part 210 and holding parts 250 are not
Be parallel to the X-axis and Y-axis of insulating body 100, also that is, holding parts 250 and the first rear surface 1113 and third rear surface 1133 not
It is parallel.
Illustratively, if front is in the direction extended using elastic arm 220, the second accepting hole 112 and third accepting hole
113 are located at the left and right sides of the first accepting hole 111, wherein elastic arm 220 can be partially or entirely located in the first receiving
The top in hole 111.
When chip module is by way of pressing and the conducting terminal of electric connector 200 is electrically connected, conducting terminal 200
After 220 stress of elastic arm, because at least partly main part 210 and holding parts 250 are contained in the second accepting hole 112 and third respectively
In accepting hole 113, the second accepting hole 112 is angularly disposed relative to the X-axis and Y-axis of insulating body 100, can be by conducting terminal
200 are stably fixed in insulating body 100；Meanwhile the spacing L1 of 1132 front end of the second side wall surface 1122 and third side wall surface is small
Spacing L2 in rear end can be prevented from deforming after 200 stress of conducting terminal with micro- retrogressing to disperse external force.
In one embodiment, there are spacing between holding parts 250 and the first rear surface 1113 and third rear surface 1133
The free extreme direction of L3, spacing L3 towards holding parts 250 tapers into.
For convenience of conducting terminal 200 is assembled into insulating body 100 from top to bottom, in insulating body upper surface 101, second
It is provided with chamfering on accepting hole 112 and third accepting hole 113, specifically, can be arranged in the upper end of 112 each wall surface of the second accepting hole
Chamfering 1134 is arranged in the upper end of 113 each wall surface of third accepting hole in chamfering 1124.
The support portion 120 protruded out from the second rear surface 1123 towards the first accepting hole 111 is additionally provided on insulating body 100,
Support portion 120 is connected to the main part 210 of conducting terminal 200, with supportive body portion 210.Optionally, support portion 120 and main body
Contact surface between portion 210 is no more than the center line between 210 left and right sides of main part, also that is, from 1123 direction of the second rear surface
The part that first accepting hole 111 protrudes out is no more than the center line between 210 left and right sides of main part.
Referring to Fig. 1, support portion 120 includes the columnar part 121 for extending the formation of insulating body upper surface 101, column
The cross section in shape portion 121 tapers into from the bottom to top.During electric connector is contacted with chip module, columnar part 121 can
Chip module is supported, prevents chip module from excessively pushing.Optionally, 121 trapezoidal cylindricality of columnar part.
In other embodiments, support portion 120 can also not extend insulating body upper surface 101, e.g., support portion 120
Upper surface can flush in the upper surface 101 of insulating body 100, or less than the upper surface 101 of insulating body 100, similarly can
Enough play the role of supportive body portion 210.
The electric connector of the utility model embodiment includes insulating body 100 and multiple conducting ends for being contained in insulating body
Son 200, insulating body are equipped with multiple accepting holes 110, and each accepting hole 110 includes the first accepting hole 111, the second accepting hole 112
With third accepting hole 113, in each accepting hole 110, the second accepting hole 112 and third accepting hole 113 are located at the first accepting hole
111 opposite sides, and be connected to the first accepting hole 111, X-axis and Y of second accepting hole 112 relative to insulating body 100
Axis is angularly disposed, wherein the spacing L1 of 1132 front end of the second side wall surface 1122 and third side wall surface is less than the second side wall surface 1122
With the spacing L2 of 1132 rear end of third side wall surface, by the above-mentioned means, conducting terminal can be stably fixed on to insulating body 100
In, and deformed after avoiding 200 stress of conducting terminal.
It is noted that giving the preferable implementation of the utility model in the specification and its attached drawing of the utility model
Example, still, the utility model can be realized by many different forms, however it is not limited to which this specification is described to be implemented
Example, not as the additional limitation to the utility model content, purpose of providing these embodiments is makes to this reality these embodiments
Understanding with novel disclosure is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed not upper
The various embodiments that face is enumerated are accordingly to be regarded as the range of the utility model specification record；Further, to ordinary skill
For personnel, it can be modified or changed according to the above description, and all these modifications and variations should all belong to this practicality newly
The protection domain of type appended claims.
Claims (10)
1. a kind of electric connector, for being electrically connected chip module to printed circuit board, which is characterized in that including insulating body and
Multiple conducting terminals for being contained in the insulating body, the insulating body are equipped with multiple accepting holes, an accepting hole receiving one
A corresponding conducting terminal, each described accepting hole include the first accepting hole, the second accepting hole and third accepting hole, Duo Gesuo
The X-axis that the first accepting hole is stated along the insulating body is arranged in parallel, in each described accepting hole, second accepting hole and
The third accepting hole is located at the opposite sides of first accepting hole, and is connected to first accepting hole, described second
Accepting hole is angularly disposed relative to the X-axis and Y-axis of the insulating body；
First accepting hole includes the first front face, the first side wall face and the first rear surface, and second accepting hole includes the
Two front faces, the second side wall surface and the second rear surface, the third accepting hole include third front face, third side wall surface and third
Rear surface；
The conducting terminal includes main part, the elastic arm extended from the main part upper end and extends from the main part lower end
Interconnecting piece, further include the holding parts extended from the side edge bending of the main part, the main part is at least partially housed in institute
It states in the second accepting hole, the holding parts are at least partially housed in the third accepting hole, the main part and the fixing
Portion is not parallel to the X-axis and Y-axis of the insulating body；
The second side wall surface and the spacing L1 of third side wall surface front end are less than the second side wall surface and the third side
The spacing L2 of wall surface rear end.
2. electric connector according to claim 1, which is characterized in that
First rear surface of first accepting hole is parallel to the X-axis of the insulating body, after the third of the third accepting hole
Wall surface and first rear surface are coplanar.
3. electric connector according to claim 1, which is characterized in that
There are spacing L3 between the holding parts and first rear surface and the third rear surface, the spacing L3 is towards described
The free extreme direction of holding parts tapers into.
4. electric connector according to claim 1, which is characterized in that
The width of the third accepting hole gradually increases towards first accepting hole direction, the third front face and the third
Rear surface is not parallel.
5. electric connector according to claim 1, which is characterized in that
The third side wall surface and third rear surface of the third accepting hole form on-right angle.
6. electric connector according to claim 1, which is characterized in that
The second side wall surface is obliquely installed relative to the X-axis and Y-axis of the insulating body, second front face and described the
Two rear surfaces are parallel.
7. electric connector according to claim 1, which is characterized in that
When the angle of inclination of X-axis of the second side wall surface relative to the insulating body is θ, the third side wall surface and described
The angle that third rear surface is formed is less than (180 ° of-θ) and is not equal to 90 °.
8. according to claim 1-7 any one of them electric connectors, which is characterized in that
In the insulating body upper surface, chamfering is provided on second accepting hole and the third accepting hole.
9. according to claim 1-7 any one of them electric connectors, which is characterized in that
The support portion protruded out from second rear surface towards first accepting hole, the branch are additionally provided on the insulating body
Support part is connected to the main part of the conducting terminal.
10. electric connector according to claim 9, which is characterized in that
The support portion includes the columnar part extended the insulating body upper surface and formed, and the cross section of the columnar part is under
It is supreme to taper into.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820311458.2U CN207925711U (en) | 2018-03-07 | 2018-03-07 | Electric connector |
| US16/004,469 US10305206B1 (en) | 2018-03-07 | 2018-06-11 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820311458.2U CN207925711U (en) | 2018-03-07 | 2018-03-07 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207925711U true CN207925711U (en) | 2018-09-28 |
Family
ID=63597839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820311458.2U Active CN207925711U (en) | 2018-03-07 | 2018-03-07 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207925711U (en) |
-
2018
- 2018-03-07 CN CN201820311458.2U patent/CN207925711U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 518107 Derun Electronic Industrial Park, 269 Huitong Road, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Deren Electronic Co., Ltd. Address before: 518107, Guangdong province Shenzhen Guangming New District Guangming Street, No. thirty-three Road, 9 Electronic Industrial Park run Patentee before: Shenzhen Deren Electronic Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |