CN1150707A - Printed circuit board mounted electrical connector with boardlocks - Google Patents
Printed circuit board mounted electrical connector with boardlocks Download PDFInfo
- Publication number
- CN1150707A CN1150707A CN 96108256 CN96108256A CN1150707A CN 1150707 A CN1150707 A CN 1150707A CN 96108256 CN96108256 CN 96108256 CN 96108256 A CN96108256 A CN 96108256A CN 1150707 A CN1150707 A CN 1150707A
- Authority
- CN
- China
- Prior art keywords
- plate fixture
- shell
- circuit board
- printed circuit
- electric connector
- 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.)
- Granted
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- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Multi-Conductor Connections (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Disclosed is an electric connector, comprising a slim insulating casing (1)which provides two opposite ends (1e) and two opposite sides (1b, 1C) that extend between the two ends, The invention is suitable to be mounted onto a printed circuit board (9); a plurality of passages for containing terminals in the casing and a cavity (8) containing plate fastenings are arranged on the opposite sides (1b, 1C)of the casing; a plurality of terminals (2) are contained in the passages. Each of the plate fastening pair (3) is provided with an installation section (5) and a fixing section (6), wherein the installation section can be inserted into the corresponding cavity (8) containing plate fastenings on the casing sides (1b, 1C), and the fixing section is used to interlock with the printed circuit board (9).
Description
The present invention relates generally to electric connector field, specifically, relate to and have a plurality of plate fixtures so that connector is installed to electric connector on the printed circuit board (PCB).
The conventional electric connector of desiring to be installed on the printed circuit board (PCB) comprises an insulation (plastics) shell, and a plurality of passages that hold terminal are arranged in the shell, can hold a plurality of terminals in the passage.Usually be surrounded by metal skirt around the shell major part, avoid RF (radio frequency) and EM (electromagnetism) interference with the company headquarters's branch of joining of protecting terminal at least, and the protection environment avoided the radiation effect from connector itself.Shell is contained on the printed circuit board (PCB), and terminal then has the afterbody that can be surface mounted on the circuit board solder joint maybe can reach the afterbody in the aperture in the circuit board.No matter be with the afterbody of surface installing type or the afterbody of hole mount type, they all will be welded on the circuit on the plate and/or in the hole.Such connector is commonly referred to I/O (I/O) connector.
What have that the plate dress electric connector of These characteristics exists always is the problem that makes connector stable in the installation process.In other words, with connector device to following printed circuit board (PCB) the time, connector can shake or move, and this situation will occur when for example being welded to the afterbody of terminal on the board circuit.This shaking might be caused connector and circuit board misalignment, thereby makes on afterbody and the plate bad connection between the circuit.
In order to solve some problems relevant with board-mounted connector, through hole template fixture is as the immobilising device of connector and following printed circuit board (PCB).This plate fixture can comprise some installation legs, and these installation legs and insulation (plastics) shell are integrally molded, by stretching out in the shell, so that insert in the installing hole of printed circuit board (PCB).If need bigger confining force, can on insulation crust, install the plate fixture that some separate, for example the fixture of metal material has some stakes on it, so that be inserted in the installing hole of printed circuit board (PCB).The plate fixture that these separate the most normally is installed in a side of connector.Therefore, when the plate fixture is fixed to connector on the plate effectively,, usually be not enough to prevent shaking of connector or laterally moving with respect to circuit board if the plate fixture is contained in a side of connector.
The present invention be exactly to solve electric connector is installed to printed circuit board (PCB) rise make its with respect to circuit board stable aspect above-mentioned these problems of appearance.
The object of the present invention is to provide a kind of new improved plate fastener systems, so that electric connector is installed on the printed circuit board (PCB).
In the embodiment of an illustrative of the present invention, a kind of electric connector comprises an elongated insulation crust, two opposite sides that shell has two opposite ends and extends between two opposite ends.This shell is fit to install on the printed circuit board (PCB), and a plurality of passage and cavitys that hold the plate fixture that hold terminal are arranged on its each opposite side.A plurality of terminal accommodatings are arranged in passage.A pair of plate fixture respectively has a mounting portion and a standing part, and the mounting portion can be inserted in the corresponding cavity that holds the plate fixture of shell one side, standing part then in order to the printed circuit board (PCB) interlocking.
Preferably, hold the cavity of plate fixture and two opposite ends that corresponding plate fixture is positioned at shell.The standing part of plate fixture stretches out downwards from shell (preferably in its relative both sides).
As what proposed, the plate fixture becomes overall L-shaped with the flaky metallic material punching out and forms, and to make the vertical stake of a pair of integral body, constitutes the mounting portion and the standing part of plate fixture.Make the cavity that holds the plate fixture in the shell make slit, and the mounting portion of plate fixture integral body is flat, conveniently to be inserted in the slit.The standing part of plate fixture is made forked stake, so that insert in the suitable installing hole of printed circuit board (PCB).
Describe the present invention below in conjunction with accompanying drawing, therefrom can find out other purposes of the present invention, characteristics and advantage.
Characteristics with novelty of the present invention are specifically listed in the appending claims.From following description in conjunction with the accompanying drawings, can understand the present invention and purpose and advantage best.Label identical among the figure is represented similar elements.
Fig. 1 realizes the insulation crust (having made broken section) of electric connector of notion of the present invention and the top plan view of a pair of plate fixture in the desire insertion shell;
Fig. 2 is the elevational end view that shell (having made broken section) and desire are inserted a plate fixture in the shell.
Fig. 3 is shell and insertion or the positive end view that is assembled into the plate fixture on it;
Fig. 4 is the positive end view that is similar to Fig. 3, but has the guard shield after the connector assembling is finished;
Fig. 5 is the elevational end view of this connector;
Fig. 6 is the top plan view of this connector;
Fig. 7 is the profile along the A-A line intercepting of Fig. 6;
Fig. 8 is the partial plan layout of printed circuit board (PCB), and the distribution hole for mounted connector is arranged on the plate;
Fig. 9 is the schematic diagram that the plate fixture is inserted each stage of manufacturing process of short insulation crust (promptly having only small number of terminals);
Figure 10 is the view that is similar to Fig. 9, but its manufacturing process is that long insulation crust is carried out.
In detail referring to each accompanying drawing, Fig. 1-the 7th wherein, a most preferred embodiment of electric connector of the present invention.Usually, connector comprises an insulation crust 1, and this shell for example can be molded out of plastic, and a plurality of terminals 2 are equipped with usually in shell central authorities, and they line up multirow with predetermined space.A pair of plate fixture 3 is inserted in the opposite end of shell.A guard shield 4 is contained on the shell, to cover its top basically and to cover the plate fixture.Connector shown in Fig. 1-3 is that guard shield does not also install to the situation on the shell, Fig. 4-7 then be load onto guard shield assemble the connector that finishes.
Specifically referring to Fig. 1-3, wherein each plate fixture 3 all belongs to the material punching out entirely with sheet and forms, and its shape is totally L-shaped, to make a pair of stake, forms the standing part 6 of a flat mounting portion 5 and bifurcated.The standing part of bifurcated has a pair of hook 7 (Fig. 3), so that be engaged on the opposite side of printed circuit board (PCB), this is with carefully explanation below.There is one one-tenth protruding 5a (Fig. 2) of determining of whole cylindricality to stretch out on the flat mounting portion 5 downwards.
Insulation crust 1 comprises end face 1a, two relative side 1b and 1c, bottom surface 1d and two opposite end 1e.The a pair of cavity 8 that holds the plate fixture is arranged, in order to hold the flat mounting portion 5 of plate fixture on the 1e of the opposite end of shell.This cavity limits slit 8a (Fig. 2), so that admit the edge of flat mounting portion, reaches the inside of shell together with stud bumps 5a.The opening of each cavity or groove 8 is towards a side 1b or a 1c of shell opposite side.Terminal 2 is installed in the suitable passage that holds terminal in the shell.
During assembling, plate fixture 3 is inserted shell 1 and this plate fixture is assembled on the shell by arrow A direction (Fig. 1 and 2).In assembling process, the flat mounting portion 5 of plate fixture is that the opposite end from shell is inserted into the cavity 8, but its direction of insertion is opposite, can obviously see from Fig. 1.During insertion, the edge of flat mounting portion is connected across among the slit 8a of shell, forms the stationary fit with shell.After all inserting, the bifurcated standing part 6 of plate fixture is on the edge of shell, but is at its relative both sides and opposite end.After assembling was finished, the bifurcated standing part 6 of plate fixture was arranged in the groove 1f of shell.
After the plate fixture installs in the shell, again guard shield 4 is installed on this semi-finished product assembly.Concrete 4-7 with the aid of pictures can find out that guard shield 4 installs on the shell by top 4a, thereby covers the end face 1a of shell.There is the edge 4b of a pair of downward extension at each place, opposite end of guard shield 4.These edges extend downwards along the opposite flank of shell, and some hole 4c are arranged on the edge, so that be engaged on the locking projection 1g, make it to form integral body with shell.Its each an edge among the edge 4b is covered the bifurcated standing part 6 of the plate fixture 3 at that end place of shell on each opposite end of guard shield, thereby can prevent this plate fixture 8 li due assembling positions that shift out its flat mounting portion 5 of its corresponding cavity in shell.
One movably guide plate or afterbody aligner 17 (although it does not include parts of the present invention) be contained in movably shell 1 below.Some suitable hole (not shown)s are arranged on this afterbody aligner,, thereby afterbody is protected, can keep that suitable spacing is arranged between each afterbody simultaneously in order to the welding afterbody 2a of admittance terminal 2.When connector was installed on the printed circuit board (PCB), the afterbody aligner was shifted to enclosure by the arrow B direction in Fig. 3 and 4, and its bottom surface flushes with shell bottom surface 1d, so terminal afterbody 2a can be inserted in the respective aperture of printed circuit board (PCB).The afterbody aligner comprises a pair of from its protruding determining or stake 15 and 16 in location that faces down down and stretch out.
Fig. 8 illustrates a printed circuit board 9, and above-mentioned electric connector is housed on it.A pair of installing hole 10 is arranged, in order to admit the bifurcated standing part 6 on the plate fixture 3 on the circuit board.These two installing holes be in the equidistant position of center line 11 on, the longitudinal centre line of center line 11 traversed by connectors.But two installing holes stagger on horizontal (direction that promptly is parallel to center line 11) corresponding to connector relative edge edge mutually.Also have many apertures 12 on the printed circuit board (PCB), in order to admit the welding afterbody 2a of terminal 2.At last, this printed circuit board (PCB) also has the hole 13 and 14 of a pair of different size, in order to admit the locating convex block 15 and 16 that stretches out from afterbody aligner 17 bottoms.
So in the time of on electric connector being installed to printed circuit board (PCB) 9 (Fig. 8), the locating convex block 15 and 16 of afterbody aligner 17 at first is inserted in location hole 13 and 14, makes connector with respect to circuit board suitable location be arranged.When further inserting, the welding afterbody 2a of terminal 2 enters in the aperture 12, and at this moment afterbody aligner 17 is shifted to enclosure.When finishing connector and insert or install to work on the printed circuit board (PCB), the bifurcated standing part 6 of plate fixture 3 is inserted in the installing hole 10, till the hook 7 and the reverse side interlock of printed circuit board (PCB) are lived.At this moment electric connector temporarily is fixed on the printed circuit board (PCB), make its welding afterbody can permanently be welded on the circuit board and/or aperture 12 in circuit on.
In the process that connector is assembled on the printed circuit board (PCB), particularly in welding process, the bifurcated standing part 6 of plate fixture 3 can be stablized firmly connector on the direction longitudinally effectively at the traversed by connector.In other words (still referring to Fig. 8) if location hole 13 and 14 has limited the longitudinal centre line of connector, can find out, supplies the installing hole 10 of standing part 6 usefulness of plate fixture just to be offset with the relative both sides of this longitudinal centre line.In fact, as mentioned above, the standing part of plate fixture is positioned at the relative edge of connector shell, and therefore, in last installation process, shell laterally can not move connector.
Fig. 9 and 10 has schematically shown plate fixture 3 has been assembled into production line on the connector shell 1.Production line shown in Fig. 9, the number of its terminal 2 is less, so the longitudinal length of insulation crust 1 is shorter.On the contrary, the production line shown in Figure 10, the number of its terminal 2 is more, so the length of insulation crust is longer.
No matter be the production line of Fig. 9 or the production line of Figure 10, all comprise some stages, be i.e. phase I 21, second stage 22 and phase III 23.The production line of each stage for Fig. 9 or Figure 10 all is identical.
In the phase I 21, with a pressure head or drift 24 a plate fixture 3 is inserted a tail end of insulation crusts 1, at this moment shell moves along production line by the arrow C direction.The running direction of drift usually perpendicular to insulation crust vertically.
In second stage 22, if terminal number for a long time, used chuck 25 its length are substantially equal to the longitudinal length of insulation crust 1.So this chuck also can hold the shell of shorter length, as shown in Figure 9.The central shaft of chuck is supported firmly, makes it to rotate along arrow D direction.
In the phase III 23, second plate fixture 3 inserted the tail end of insulation crust 1 with another pressure head or drift 26.Should understand, this tail end of shell at place is the front end of shell at stages 21 place in the stages 23, still, when its when production line advances, chuck 25 has been done upset with shell.Have, at stages 23 place, the running direction of drift 26 also is vertical vertical with insulation crust usually again.
In addition, be provided with a feed pawl 27, so that insulation crust is transplanted on second stage 22 along this side of phase I 21 as conveyer.Similarly, be provided with a feed pawl 28, so that insulation crust is further shifted out production line along the arrow E direction along this side of phase IIIs 23 as conveyer.Among Fig. 9,27a represents the starting position of feed pawl 27, and 27b represents its stop position; And 28a represents the starting position of feed pawl 28, and 28b represents its stop position.Feed pawl 27 and 28 is designed to identical shift motion.
In the phase I 21, one of plate fixture 3 is inserted the tail end of insulation crust 1 with drift 24.As shown in the figure, the plate fixture is for example 1c side that is inserted in insulation crust.In fact, the whole flat mounting portion 5 of plate fixture all is inserted in the cavity or groove 8 of shell, and then, feed pawl 27 begins to be driven into stop position 27b from starting position 27a, so that shell is sent in the chuck 25 at second stage 22 places.The stop position 27b of feed pawl 27 and the end of chuck 25 are harmonious, and at this moment chuck is aimed at the front end of shell, and feed pawl 27 is sent to the shell front end on the chuck.Chuck Rotate 180 ° then.Should understand, for shorter shell situation shown in Figure 9, when chuck rotates, in the phase I 21, the position that the shell front end reaches and the terminal location of chuck also do not line up, therefore, after the chuck rotation, the new tail end of shell or rear end are shown in the dashed line view at 22 places of second stage among Fig. 9.
Then, feed pawl 28 is driven into its stop position 28b from its starting position 28a, and insulation crust is sent to the phase III 23.For the situation of shorter shell, feed pawl 28 with to move a segment distance before the tail end of insulation crust contacts.And under the situation of longer shell shown in Figure 10, feed pawl 28 just can be run into the shell tail end as long as move short distance.Which kind of situation no matter, the stop position 28b of feed pawl is identical, so shell tail end (for the shell front end of 21 o'clock phase I) finally drops on the stop position 28b place of identical feed pawl 28.
In the phase III 23, the working method of drift 26 is identical with the working method of phase I 21 place's drifts 24, so that second plate fixture 3 inserted in the insulation crust 1.The mounting portion 5 of the second flat plate fixture is inserted into the cavity 8 from the side 1b of shell.
Can know from the production line of Fig. 9 and Figure 10, though the length of connector shell changes with the number of variations of terminal 2, but being used for inserting the drift 24 of plate fixture 3 and 26 position and the stroke of feed pawl 27 and 28 need not change, therefore, production technology that the sustainable use of the production of electric connector is public and public production line are so can improve the production efficiency of electric connector greatly.In addition, even because the condition of production line also need not change when terminal number changes, it is stable therefore can to ensure the quality of products.Have again, needn't take special treatment process for the terminal of different numbers.At last, even the length of shell has changed, also plate fixture 3 can be coupled to each place, opposite end of insulation crust.
Should understand, the present invention can also other forms implements and does not break away from spirit of the present invention or principal character.Therefore, the everyway of previous examples be illustrative rather than the restriction, the invention is not restricted to details as herein described.
Claims (7)
1. electric connector comprises:
An elongated insulation crust (1), two opposite side (1b that have two opposite ends (1e) and between two opposite ends, extend, 1c), this shell is fit to install on the printed circuit board (PCB) (9), its each opposite side (1b, the a plurality of passage of terminal and cavitys (8) that is held the plate fixture of holding are arranged 1c), and this cavity is whole near a corresponding end in the shell two ends (1e);
A plurality of terminals (2) are contained in the described passage; With
A pair of plate fixture (3), a mounting portion (5) and a standing part (6) are respectively arranged, shell one side (1b can be inserted in the mounting portion, 1c) and in the corresponding cavity (8) that holds the plate fixture located of an end (1e), standing part is then from shell one side (1b, 1c) stretch out downwards, in order to printed circuit board (PCB) (9) interlocking.
2. electric connector as claimed in claim 1 is characterized in that, each described cavity (8) that holds the plate fixture all comprises a slit (8a); Described mounting portion (5) integral body of each plate fixture is flat, so that insert in the corresponding slit; Each described mounting portion all is stationary fit with a described corresponding slit, thereby described plate fixture is remained in the slit.
3. electric connector as claimed in claim 1 is characterized in that, the standing part of described plate fixture comprises the stake of bifurcated (6), so that insert in the suitable installing hole (10) of printed circuit board (PCB) (9).
4. electric connector as claimed in claim 1 is characterized in that, described plate fixture (3) is to become with the flaky metallic material punching out.
5. electric connector as claimed in claim 1 is characterized in that, each described plate fixture (3) is whole L-shaped, limit a pair of overall vertical part (5,6), one forms the mounting portion (5) of plate fixture, and another forms the standing part (6) of plate fixture.
6. electric connector as claimed in claim 1 is characterized in that, this connector also comprise one can be mounted thereto guard shield (4), described guard shield comprises the part (4b) that covers plate fixture (3) each several part at least.
7. electric connector as claimed in claim 2, it is characterized in that, described shell comprises a top mating surface and base plate installed surface, described whole the extending between this top mating surface and the base plate installed surface of each passage of holding terminal, and described slit integral body is perpendicular to the described passage that holds terminal.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP262285/95 | 1995-09-14 | ||
| JP262285/1995 | 1995-09-14 | ||
| JP07262285A JP3079463B2 (en) | 1995-09-14 | 1995-09-14 | Method of manufacturing electrical connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1150707A true CN1150707A (en) | 1997-05-28 |
| CN1113429C CN1113429C (en) | 2003-07-02 |
Family
ID=17373668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96108256 Expired - Fee Related CN1113429C (en) | 1995-09-14 | 1996-09-13 | Printed circuit board mounted electrical connector with boardlocks |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3079463B2 (en) |
| CN (1) | CN1113429C (en) |
| SG (1) | SG43405A1 (en) |
| TW (1) | TW322644B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384628A (en) * | 2018-12-25 | 2020-07-07 | 住友电装株式会社 | Connector with a locking member |
| CN113380474A (en) * | 2021-05-17 | 2021-09-10 | 贵州航天电器股份有限公司 | Insulator and electric connector |
-
1995
- 1995-09-14 JP JP07262285A patent/JP3079463B2/en not_active Expired - Lifetime
-
1996
- 1996-09-11 TW TW85111108A patent/TW322644B/zh active
- 1996-09-12 SG SG1996010633A patent/SG43405A1/en unknown
- 1996-09-13 CN CN 96108256 patent/CN1113429C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384628A (en) * | 2018-12-25 | 2020-07-07 | 住友电装株式会社 | Connector with a locking member |
| CN111384628B (en) * | 2018-12-25 | 2021-09-07 | 住友电装株式会社 | Connector with a locking member |
| CN113380474A (en) * | 2021-05-17 | 2021-09-10 | 贵州航天电器股份有限公司 | Insulator and electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3079463B2 (en) | 2000-08-21 |
| JPH0982399A (en) | 1997-03-28 |
| SG43405A1 (en) | 1997-10-17 |
| TW322644B (en) | 1997-12-11 |
| CN1113429C (en) | 2003-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |