CN202134680U - Slot connector - Google Patents
Slot connector Download PDFInfo
- Publication number
- CN202134680U CN202134680U CN201020663971U CN201020663971U CN202134680U CN 202134680 U CN202134680 U CN 202134680U CN 201020663971 U CN201020663971 U CN 201020663971U CN 201020663971 U CN201020663971 U CN 201020663971U CN 202134680 U CN202134680 U CN 202134680U
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- China
- Prior art keywords
- connector
- insulating body
- groove
- slot
- circuit board
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- Expired - Lifetime
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Abstract
The utility model provides a slot connector, comprising an insulating body and a plurality of conductive terminals, wherein the insulating body is provided with two side walls, a slot is formed between the two side walls, a plurality of vertically arranged accommodation holes are recessed in at least one inner side wall surface of the slot, a plurality of vertically arranged grooves are recessed in at least one outer side wall surface of the two side walls, the grooves and the accommodation holes are arranged at two opposite sides of the same side wall, and the conductive terminals are correspondingly accommodated in the accommodation holes. The slot connector can reduce residual stress when the insulating body is moulded by injection moulding, and can guarantee that thermal expansion speed of the upper half and that of the bottom half are consistent when the insulating body is subjected to high temperature processing.
Description
[technical field]
The utility model relates to a kind of connector, refers to a kind of in order to electronic cards is electrically connected to the connector on the circuit board especially.
[background technology]
Generally speaking, plastic material is broadly divided into thermoplastic plastic and thermosetting plastic.And the employed plastic material of electric connector industry is the thermoplastic plastic at present; Its characteristic is generally graininess at normal temperatures; Be heated to the state that becomes fusion after the uniform temperature; With then penetrating curing molding after its cooling,, and can carry out plasticizing forming once more if heating then can be softened the state that becomes fusion again once more.Therefore, the thermoplastic plastic can be via heating and melting curing molding repeatedly.
The electric connector that convention is comparatively microscler for example is applied to the electric connector of duplicate rows memory modules, or uses the electric connector of single straight cutting memory modules, and its plastic cement body all might cause plastic cement body warpage when injection mo(u)lding or mistake high temperature process:
(1) in plastic cement body forming process; Mobile residual stress (the forming of residual stress: receive mould during the quick filling of plastic cement that mainly when the variation of pressure, temperature, volume and inhomogeneous cooling form thermal stress and plastic cement in mold flow, produces with PIN of portion or die corner generation shear stress by plastic cement; Because the plastic cement and the mould temperature difference are bigger, the part internal stress has little time to discharge and the formation residual stress when cooling off fast) and cause warpage;
(2) no matter the terminal in the electric connector is to be fixed in circuit board with the interference engagement mode, still be fixed in circuit board, owing to also have other part that need weld on the circuit board with welding manner; So electric connector needed the wave crest weldering inevitably or melted down the weldering high temperature process; Usually, the temperature of said circuit board face is the highest, and the temperature that causes plastic cement body bottom to be heated is higher; Relative, the temperature that plastic cement body top is heated is then lower.Because the temperature that the upper and lower half was heated of said plastic cement body has nothing in common with each other; So cause easily the plastic cement body the thermal expansion speed of Lower Half can than the thermal expansion speed of the first half also come fast; And the central part that causes the plastic cement body is to lower recess, and then forms a structural distortion warpage.Thus; The plastic cement body is inhomogeneous because of being heated, and is easy to generate the inconsistent phenomenon of degrees of expansion, and structurally produces distortion (being that plastic cement body warpage becomes a U-shaped); The terminal that makes the plastic cement body plugged leaves the conducting position on the circuit board; Promptly originally aligned the terminal of conducting position on the said circuit board,, and caused terminal to contact even to produce inconsistent phenomenon really with conducting position because of the thermal expansion situation of each one of plastic cement body is different; Make accurately contact terminal of conducting position, and cause loose contact or problem such as do not reach.
Therefore, be necessary to design a kind of new connector, to overcome the problems referred to above.
[utility model content]
To the variety of problems that background technology faced, the purpose of the utility model is to provide a kind of and reduces the residual stress of insulating body when injection mo(u)lding, and the consistent connector of the thermal expansion speed of insulating body its upper and lower half when high temperature process.
To achieve these goals, adopt following technical scheme at the utility model:
A kind of connector; Comprise: an insulating body; It has two sidewalls, forms a slot between said two sidewalls, and said slot is concaved with a plurality of accepting holes that are vertical setting in its at least one interior sidewall surface; One of them individual outer side surface of said two sidewalls is concaved with a plurality of grooves that are vertical setting, and said groove and said accepting hole are positioned at the relative both sides of same said sidewall; And a plurality of conducting terminals, correspondence is contained in each said accepting hole.
Compared with prior art, the utility model connector electrically conducts so that said electronic cards and said circuit board form in order to an electronic cards is connected on the circuit board.Said connector is through the vertical groove that is provided with on the outer side surface of insulating body; With the wall thickness of this skiving insulating body, make that the wall thickness of Lower Half is inequality on the insulating body, so that insulating body is when injection mo(u)lding; The mobile more balance of plastic cement can reduce residual stress; And when electric connector is crossed high temperature process; Make insulating body be able to thermally equivalent and thermal expansion speed unanimity; Cause warpage, distortion to avoid insulating body to be heated irregular, and then prevent that the conducting position of conducting terminal and circuit board or the phenomenon of disengaging conducting position from taking place.
Purpose, shape, structure, characteristic and effect thereof for ease of to the utility model all can have further understanding and understanding, combine embodiment and accompanying drawing to elaborate at present.
[description of drawings]
Fig. 1 is the exploded view of the utility model connector and circuit board assembling relation;
Fig. 2 is the constitutional diagram of the utility model connector and circuit board assembling relation;
Fig. 3 is the partial cutaway diagrammatic sketch of the utility model connector;
Fig. 4 is the sketch map of conducting terminal in the utility model connector.
The drawing reference numeral of embodiment:
Insulating body 2 sidewalls 21 outer side surfaces 211
Accepting hole 24 grooves 25 reference columns 26
Conducting terminal 3 main parts 31 through holes 311
Contact site 32 pin portions 33 interference parts 331
[embodiment]
Below in conjunction with accompanying drawing and specific embodiment the utility model connector is described further.
See also Fig. 1, the utility model connector electrically conducts so that said electronic cards and said circuit board 1 form in order to an electronic cards (not shown) is connected on the circuit board 1.Said circuit board 1 is provided with three fixing holes 11, and four row's conductive holes 12.Wherein, said two row's conductive holes 12 are positioned at a side of said fixing hole 11, and the said conductive hole 12 of other two rows is positioned at the opposite side of said fixing hole 11.The said conductive hole 12 of two rows that is positioned at said fixing hole 11 the same sides is dislocation arrangement.
See also Fig. 1 to Fig. 3, said connector comprises an insulating body 2, and is located in a plurality of conducting terminals 3 in the said insulating body 2.
Said insulating body 2 is formed by the plastic cement material injection mo(u)lding; It has an end wall (not shown); Extend upward two relative sidewalls 21 from said end wall (not shown); And extending upward two relative shortwalls 22 from said end wall (not shown), said two shortwalls 22 connect said two sidewalls 21 between said two sidewalls 21.Constitute a microscler slot 23 between said two sidewalls 21 and said two shortwalls 22, said slot 23 supplies said electronic cards to peg graft.Said sidewall 21 is positioned on the X direction of said insulating body 2, and said shortwall 22 is positioned on the y direction of said insulating body 2.
Said slot 23 has the two relative interior sidewall surface 231 that are positioned on said insulating body 2 X directions, and the just said sidewall 21 of said interior sidewall surface 231 is in order to form a side of said slot 23.Be concaved with a plurality of accepting holes 24 that are vertical arrangement from each said interior sidewall surface 231, each said accepting hole 24 is distributed in distance on said sidewall 21.Each said accepting hole 24 runs through said sidewall 21 end faces and the bottom surface at its place.
Each said sidewall 21 has an outer side surface 211 relative with said interior sidewall surface 231, is concaved with a plurality of grooves 25 that are vertical arrangement from each said outer side surface 211, and each said groove 25 is distributed in distance on said sidewall 21.Said groove 25 runs through the end face of said sidewall 21.The degree of depth of said groove 25 accounts for 2/3 of said sidewall 21 height.Each said groove 25 and each said accepting hole 24 corresponding setting, and the wide cut that the wide cut of said groove 25 is added up less than two said accepting holes 24, and the center line of the center line of said groove 25 and adjacent said accepting hole 24 coincides.
Said insulating body 2 middle parts and two ends are extended with reference column 26 downwards.
See also Fig. 4, said conducting terminal 3 has a main part 31, from said main part 31 upwardly extending contact sites 32, and from said main part 31 to a pin portion 33 that extends below.Said main part 31 is provided with an irregular through hole 311, with when said connector is worked, can adjust high frequency.Said pin portion 33 is provided with the bigger interference part 331 of wide cut, and said interference part 331 is provided with opening (not label), so that said interference part 331 has elasticity, thereby well contacts with said conductive hole 12.And the said pin portion 33 on the same said sidewall 21 of being located at is two rows outside said insulating body 2 arranges, and the 33 interleaved settings of the said pin of this two row portion, inserts said conductive hole 12 with correspondence.If said pin portion 33 is crisscross arranged, and can make said connector when being fixed in said circuit board 1 with soldering, avoids connecting tin and short circuit between the adjacent said pin portion 33.
Wherein, same two the online said conducting terminals 3 that hang down that are positioned on said insulating body 2 y directions partner, and this is a various structure to conducting terminal 3.
When said insulating body 2 injection mo(u)ldings, because said insulating body 2 is provided with said groove 25, make the more balance that flows, can reduce residual stress, to avoid said insulating body 2 buckling deformations after the moulding; And the said groove on the same said sidewall 21 25 is provided with said accepting hole 24 one to one, can make when the said insulating body 2 of filling plastic rubber shaping, the mobile more balance of plastic cement is more smooth and easy.
During assembling; See also Fig. 1 and Fig. 2; At first each said conducting terminal 3 is assembled in said insulating body 2 in pairs in couples, makes said main part 31 be fixed in said accepting hole 24, said contact site 32 parts manifest said interior sidewall surface 231 and get into said slot 23 inside; The bottom surface (bottom surface of just said sidewall 21) that said insulating body 2 exposes in said pin portion 33 forms said connector with this.
Secondly; See also Fig. 2, said connector is installed on the said circuit board 1, make said reference column 26 be fixed in the said fixing hole 11; Said pin portion 33 is fixed in the said conductive hole 12 (certainly with its interference part 331 and said conductive hole 12 interference engagement modes; In other embodiments, can also for: said pin portion 33 does not establish said interference part 331, and is fixed in the said conductive hole 12 with the soldering mode).
After said connector is installed on the said circuit board 1, though the said conducting terminal 3 of the utility model is to be fixed in said circuit board 1 with the interference engagement mode; Also has other part that need weld on the said circuit board 1; So said connector also needed wave crest weldering or melted down this high temperature process of weldering, and scolding tin to be said pin portion 33 in said circuit board 1 plate face and said conducting terminal 3 form welds, therefore; The temperature of said circuit board 1 plate face is the highest; So, the temperature that said insulating body 2 Lower Halves are heated is higher, and the temperature that relative said insulating body 2 first halves are heated is then lower.Because said insulating body 2 is provided with said groove 25; Wall thickness with said insulating body 2 first halves of this skiving; Thereby the temperature that makes said insulating body 2 upper and lower half be heated is identical; The thermal expansion speed of said insulating body 2 upper and lower half is consistent; Avoid said insulating body 2 buckling deformations, and then guarantee that the said conducting terminal 3 of said connector contacts with the aligning of said conductive hole 12 of said circuit board 1, to reach the normal electric connection of said connector and said circuit board 1.
What said structure was introduced is the connector that is applied to the duplicate rows memory module, and it is applicable to the connector of single file straight cutting memory module too.
In sum, the utility model connector has following beneficial effect:
1. when said insulating body during, because said insulating body is provided with said groove,, and can reduce residual stress, to avoid the said insulating body buckling deformation after the moulding so can make plastic cement mobile more balance when filling in injection mo(u)lding.
2. after said connector is installed on the said circuit board, though the said conducting terminal of the utility model is to be fixed in said circuit board with the interference engagement mode; Also has other part that need weld on the said circuit board; So said connector also needed wave crest weldering or melted down this high temperature process of weldering, and scolding tin to be said pin portion in said circuit board plate face and said conducting terminal form welds, therefore; The temperature of said circuit board plate face is the highest; So, the temperature that said insulating body Lower Half is heated is higher, and the temperature that the relative said insulating body first half is heated is then lower.Because said insulating body is provided with said groove; Wall thickness with the said insulating body first half of this skiving; Thereby the temperature that makes said insulating body upper and lower half be heated is identical, and the thermal expansion speed of said insulating body upper and lower half is consistent, avoids said insulating body buckling deformation; And then guarantee that the said conducting terminal of said connector contacts with the aligning of said conductive hole of said circuit board, to reach the normal electric connection of said connector and said circuit board.
3. be arranged on the said insulating body owing to said groove is vertical; With respect to the said groove (need to run slide block and could form said groove) that is horizontally set on the said insulating body in the side of said insulating body; Can use with the mould of the said insulating body of moulding simply, and precision is high.
4. because said groove and said accepting hole on the same said sidewall are provided with one to one, can make when the said insulating body of filling plastic rubber shaping, the more balance that flows of plastic cement is more smooth and easy.
5. owing to be located at the said pin portion interleaved setting on the same said sidewall,, can avoid connecting tin and short circuit between the adjacent said pin portion if said pin portion is when being fixed on the said circuit board with the soldering mode.
Above-mentioned explanation is the detailed description to the preferable possible embodiments of the utility model; But embodiment is not in order to limit the patent claim of the utility model; Equal variation that the technical spirit that all the utility model disclosed is accomplished down or modification change all should belong to claim that the utility model is contained.
Claims (10)
1. a connector is characterized in that, comprising:
One insulating body; It has two sidewalls; Form a slot between said two sidewalls; Said slot is concaved with a plurality of accepting holes that are vertical setting in its at least one interior sidewall surface, and one of them individual outer side surface of said two sidewalls is concaved with a plurality of grooves that are vertical setting, and said groove and said accepting hole are positioned at the relative both sides of same said sidewall; And
A plurality of conducting terminals, correspondence are contained in each said accepting hole.
2. connector as claimed in claim 1 is characterized in that: the height of said groove accounts for 2/3rds of said insulating body height.
3. connector as claimed in claim 1 is characterized in that: the wide cut that the wide cut of said groove is added up less than two said accepting holes.
4. connector as claimed in claim 1 is characterized in that: each said groove and each said accepting hole are provided with one to one, and the center line of the center line of said groove and said accepting hole coincides.
5. connector as claimed in claim 1 is characterized in that: the quantity of said outer side surface is two, and said two outer side surfaces all are provided with said groove.
6. connector as claimed in claim 1 is characterized in that: the quantity of said interior sidewall surface is two, and two interior sidewall surface that said slot is relative all are provided with said accepting hole.
7. connector as claimed in claim 1 is characterized in that: said groove is spaced on said outer side surface.
8. connector as claimed in claim 1 is characterized in that: said groove runs through the end face of said sidewall.
9. connector as claimed in claim 1 is characterized in that: said conducting terminal has a main part, and said main part is provided with an irregular through hole.
10. connector as claimed in claim 1; It is characterized in that: each said conducting terminal has a pin portion and exposes said insulating body bottom surface; The said pin portion on the same said sidewall of being located at is two rows outside said insulating body arranges, and the said pin of this two row portion interleaved is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020663971U CN202134680U (en) | 2010-12-08 | 2010-12-08 | Slot connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020663971U CN202134680U (en) | 2010-12-08 | 2010-12-08 | Slot connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202134680U true CN202134680U (en) | 2012-02-01 |
Family
ID=45523441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020663971U Expired - Lifetime CN202134680U (en) | 2010-12-08 | 2010-12-08 | Slot connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202134680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI553968B (en) * | 2013-01-30 | 2016-10-11 | 山姆科技公司 | Connector with staggered contacts |
| CN107658584A (en) * | 2017-08-28 | 2018-02-02 | 番禺得意精密电子工业有限公司 | Connector |
-
2010
- 2010-12-08 CN CN201020663971U patent/CN202134680U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI553968B (en) * | 2013-01-30 | 2016-10-11 | 山姆科技公司 | Connector with staggered contacts |
| CN107658584A (en) * | 2017-08-28 | 2018-02-02 | 番禺得意精密电子工业有限公司 | Connector |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |