CN201515117U - Plate locking device and electric connector with same - Google Patents
Plate locking device and electric connector with same Download PDFInfo
- Publication number
- CN201515117U CN201515117U CN2009201605294U CN200920160529U CN201515117U CN 201515117 U CN201515117 U CN 201515117U CN 2009201605294 U CN2009201605294 U CN 2009201605294U CN 200920160529 U CN200920160529 U CN 200920160529U CN 201515117 U CN201515117 U CN 201515117U
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- section
- locking device
- plate locking
- electric connector
- housing
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- Expired - Lifetime
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model relates to a board lock device and have this board lock device's electric connector, this board lock device is used for being fixed in a circuit board with an electric connector, and it contains a construction with the fixed district section of casing of this electric connector fixed complex, a first district section, a section of bending back and a second district section. The first section extends from the housing fixing section and includes at least one protrusion protruding outward from one side edge of the first section and fixedly engaged with a corresponding inner wall defining an opening on the circuit board. The bent-back section has two ends, wherein the first section is connected to one of the ends of the bent-back section in an extending manner. The second section extends from the other end of the return section, and the second section includes a distal end and a side, wherein the side is fixedly engaged with the inner wall. The board lock device of the utility model only needs small insertion force, can provide high fixing strength, has stable structure and can be suitable for circuit boards with different thicknesses.
Description
Technical field
The utility model relates to a kind of plate locking device, particularly relates to a kind of plate locking device with rock-steady structure, and this electric connector produces the situation of rocking after utilizing this rock-steady structure can avoid being installed on circuit board.
Background technology
In electric connector, accommodate before terminal in it is soldered to circuit board, can be positioned earlier and be fixed on the circuit board.For fixing these electric connectors, various plate locking device thereby be developed.
The existing one first plate locking device of Fig. 1 illustration.As shown in Figure 1, the first plate locking device is a traditional fork-shaped retaining piece (fork lock) 1.When in the perforate 32 of being defined by an inwall 31 that is inserted in by the fork-shaped retaining piece 1 of 2 fixings of electric connector on the circuit board 3, electric connector 2 is fixed on the circuit board 3.The inwall 31 that defines perforate 32 makes 1 deflection of fork-shaped retaining piece, and when being inserted in thicker circuit board 3, biting point 4 can be formed on the lower surface place near circuit board 3.Because biting point 4 makes circuit board 3 situation that delamination occurs easily (delamination) near the lower surface 33 of circuit board 3.
Profile when Fig. 2 illustration first plate locking device is installed on thin laminate circuit.As shown in Figure 2, when fork-shaped retaining piece 1 is inserted in thin 3 ' time of circuit board, because of the inwall 31 that defines perforate 32 only with neck position 11 butts of fork-shaped retaining piece 1, and make 1 generation deflection slightly of fork-shaped retaining piece.Because the butt of fork-shaped retaining piece 1 only relies on this deflection slightly, thus electric connector 2 can't be firmly fixed at circuit board 3 ' on, rock and electric connector 2 is easily produced when carrying out welding procedure.
Fig. 3 illustration one has and is disclosed in United States Patent (USP) patent No. US5, the profile of 120,257 the second plate locking device now.The second plate locking device 5 comprise one crosswise portion 51 and one the thorn hook portion 52.Define an inwall interference engagement of a perforate crosswise on a portion 51 and the circuit board.The thorn hook portion 52 be construction with when the second plate locking device 5 is pulled out from perforate, this thorn hook portion 52 will protrude on the inwall that defines this opening.Yet, since the second plate locking device 5 with define the cause that has bigger contact area and the second plate locking device, 5 tool v-shaped structures etc. between the inwall of perforate, make the bigger installation strength of the second plate locking device, 5 needs.
Fig. 4 illustration one has and is disclosed in United States Patent (USP) patent No. US5, the profile of 989,064 the 3rd plate locking device now.The 3rd plate locking device 6 as shown in Figure 4 has a closed loop shape, and wherein the 3rd plate locking device 6 comprises 4 coupled arms that join continuously 61.This 3rd plate locking device 6 has bending strength required when aligning being installed and being fixed on the connector.Yet also because the 3rd plate locking device 6 has suitable highland bending strength, therefore the 3rd plate locking device 6 needs the bigger strength of assigning.Moreover if the perforate that is used in circuit board during less than perforate size that it was fit to, the 3rd plate locking device 6 required strength of assigning will become greatly to the degree that surmounts expection.
Therefore according to learning in the narration of aforementioned variety of problems, existing various plate locking devices all have a little defective, need new plate locking device now, and that new plate locking device possesses the strength of assigning at least is little and can be installed on the advantages such as circuit board of different thickness.
The utility model content
The purpose of this utility model provide one new with improve after the plate locking device, this plate locking device only needs less plant strength, and high fixing intensity and tool stable structure can be provided and can be fit to the circuit board of different-thickness.
For achieving the above object, the utility model provides a kind of plate locking device that is used for an electric connector is immobilizated in a circuit board, and this plate locking device comprises a housing fixedly section, one first section, a back bending section and one second section.This housing fixedly section be construction with this electric connector secure fit.This first section from this housing fixedly section extend and have at least one protuberance.This protuberance from a lateral edges of this first section outwards outstanding and with on this circuit board with the inwall secure fit that defines a corresponding perforate.This back bending section has both ends, and wherein this first section extension is connected to one of this end of this back bending section mutually.Second section extends from the other end of this end of this back bending section, and this second section has a terminal part and a side, this side and this inwall secure fit.
The utility model also provides a kind of electric connector, and it comprises: an insulation shell that comprises at least one groove, a plurality ofly extend and conducting terminal and at least one aforesaid plate locking device matched with the electric connection point on the circuit board from this insulation shell.This plate locking device is that construction is to be immobilizated in this insulation shell on this circuit board from this insulation shell extension and its.
Than prior art, the plate locking device that the utility model provides comprise a back bending section with both ends, one from housing fixedly section extend and be connected to first section and one second section that extends of the other end of this back bending section certainly of an end of back bending section.First section comprise can with a circuit board on, the inwall that defines the perforate protuberance of contact mutually.Second section comprise can with the inwall that defines this perforate terminal part of contact mutually.The back bending section makes this second section tool elasticity.Because the contact place between the inwall of protuberance and terminal part etc. and perforate makes the situation of printed circuit board (PCB) leafing can not take place still away from the lower surface of circuit board.The design of protuberance can reduce the required strength of planting, and cooperating between protuberance and terminal part can increase the fixing of plate locking device strength.When being inserted in the situation of thick circuit board, the back bending section has more stable effect.
Description of drawings
The existing one first plate locking device of Fig. 1 illustration;
Fig. 2 is the profile of the illustration first plate locking device when being installed on thin laminate circuit;
Fig. 3 is that illustration one has and be disclosed in United States Patent (USP) patent No. US5, the profile of 120,257 the second plate locking device now;
Fig. 4 is that illustration one has and be disclosed in United States Patent (USP) patent No. US5, the profile of 989,064 the 3rd plate locking device now;
Fig. 5 is the electric connector of the utility model one embodiment and the schematic perspective view of plate locking device thereof;
Fig. 6 is the perspective exploded view of an electric connector and the plate locking device thereof of the utility model one embodiment;
Fig. 7 is the schematic perspective view of the plate locking device of the utility model one embodiment;
Fig. 8 is the front view of the plate locking device of the utility model one embodiment;
Fig. 9 is the generalized section along Fig. 5 face line A-A;
Figure 10 is the combination schematic diagram that the plate locking device of the utility model one embodiment is inserted in the perforate of a thicker circuit board;
Figure 11 is the combination schematic diagram that the plate locking device of the utility model one embodiment is inserted in the perforate of a circuit board that approaches.
The main element symbol description:
1 fork-shaped retaining piece, 2 electric connectors
3,3 ' circuit board
4 biting points, 5 second plate locking devices
6 the 3rd plate locking devices, 7 electric connectors
8 printed circuit board (PCB)s
11 neck positions
32 perforates of 31 inwalls
33 lower surface
51 portion 52 thorn hook portions crosswise
61 coupled arms
71 insulation shells, 72 conducting terminals
73 trip mechanisms, 74 plate locking devices
75 slots, 76 guide rib
77 bottoms
82 perforates of 81 electric connection points
83 inwalls, 84 lower surface
86 inwalls
711 grooves
721 contact sites, 722 needle-like portions
741 housings are section 742 first sections fixedly
743 back bending sections, 744 second sections
7411 bottom margins, 7412 lateral edges
7413,7414 latch hook portions
7421 wide base portion 7422 protuberances
7423 lateral edges
7431,7432 ends
7433 flat parts, 7434 convergent sides
Rim portion before 7435
7441 terminal parts, 7442 sides
7443 corner angle
74221 flat sides
Embodiment
The embodiment of plate locking device of circuit board that the need that the utility model provides are less to be assigned strength and be fit to various thickness with conjunction with figs. at length in the back explanation.As shown in Figure 5 and Figure 6, an electric connector 7 that is installed in a printed circuit board (PCB) 8 is the usefulness of construction with the vertical type plug-in card.Electric connector 7 comprises an insulation shell 71, a plurality of conducting terminal 72, the paired trip mechanism 73 that is divided into 71 liang of ends of insulation shell and a plurality of plate locking device 74 that is contained in the insulation shell 71.As shown in Figure 6, insulation shell 71 comprises a slot 75 of the electronic cards that is used to plant and is horizontally placed on a guide rib (polarizing rib) 76 in the slot 75.Conducting terminal 72 is arranged in the insulation shell 71 and in paired mode and arranges along insulation shell 71.Each conducting terminal 72 comprises bends a contact site 721 of stretching and a needle-like portion 722 of extending vertically downward in slot 75.Contact site 721 be used for the electronic cards that is inserted in the slot 75 on the electrical connection pad electric property coupling.
The needle-like portion 722 of conducting terminal 72 protrudes out downwards with the bottom 77 of plate locking device 74 from the housing 71 that insulate.Printed circuit board (PCB) 8 comprises a plurality of electric connection points 81 and corresponds to plate locking device 74 and a plurality of perforates 82 of setting.Electric connection point 81 is complementary with the needle-like portion 722 of conducting terminal 72.After the needle-like portion 722 of conducting terminal 72 was welded in electric connection point 81, the signal transmission path between the circuit on conducting terminal 72 and the printed circuit board (PCB) 8 promptly is established to be finished.Electric connector 7 promptly has been inserted in 74 fixings of plate locking device of corresponding perforate 82 or has been fixed on the printed circuit board (PCB) 8 before conducting terminal 72 is soldered.Electric connector 7 can use at least one plate locking device 74, and in the present embodiment, electric connector 7 comprises 3 plate locking devices 74, and wherein a plate locking device 74 is arranged at the below of guide rib 76.
Main reference Fig. 7 and Fig. 8, and simultaneously with reference to figure 5.Plate locking device 74 comprises a housing fixedly section 741, first section 742, a back bending section 743 and one second section 744.First section 742 from housing fixedly a bottom margin 7411 of section 741 extend downwards.Back bending section 743 comprises two aduncate ends 7431 and 7432.The end 7431 that first section 742 extends to be connected to back bending section 743.Second section 744 extends from the other end 7432 of back bending section 743, and its bearing of trend is roughly towards the fixing section 741 of housing.The spy's, second section 744 towards housing fixedly section 741 extend and slightly outwardly, make its terminal part 7441 can with the inwall secure fit that defines corresponding perforate 82.
With reference to Fig. 7 and Fig. 8, housing fixedly section 741 comprises latch hook portion 7413 and 7414. Latch hook portion 7413 and 7414 respectively from housing fixedly the lateral edges 7412 of section 741 protrude out.In the present embodiment, housing fixedly section 741 as shown in Figure 8, the tool symmetric shape.First section 742 has one and is connected to the fixedly wide base portion 7421 of section 741 of housing, and fixedly the extended distance of section 741 is long more and reduce more along with first section, 742 shrinking away from theshell bodies for the width of first section 742, and so shape can make first section 742 more firm.First section 742 more comprises protuberance 7422, and this protuberance 7422 outwards protrudes from a lateral edges 7423.The distance L 2 of one top margin of this protuberance 7422 to the top margin of the distance L 1 of bottom margin 7411 and second section 744 to bottom margin 7411 equates.Back bending section 743 comprises a rather wide flat flat part 7433, so can make back bending section 743 be a U-shaped structure roughly.And have as shown in Figure 3 v-shaped structure existing plate locking device relatively, the plate locking device 74 that the utility model provides needs less plant strength, and owing to have the cause of U-shaped structure, so can be than more stable.
With reference to shown in Figure 9, insulation shell 71 more comprises a plurality of grooves 711.The housing that each groove 711 is accommodated corresponding plate locking device 74 is section 741 fixedly, and housing fixedly the part latch hook portion 7413 of section 741 form fit and interference engagement with the inwall that defines groove 711.In the embodiment of the present application, paired latch hook portion 7414 covers are bonded between the inwall that defines groove 711.Back bending section 743 has two convergent sides 7434, and back bending section 743 is had than the less relatively preceding rim portion 7435 of perforate 82.Because have less preceding rim portion 7435, plate locking device 74 can be assigned in the corresponding perforate 82 easily, aims at and need not accurate the installation.
With reference to shown in Figure 10, when plate locking device 74 was inserted in corresponding perforate 82, the protuberance 7422 of first section 742 was resisted against on the inwall 83 that defines perforate 82.Because first section 742 than the tool rigidity, makes protuberance 7422 can be considered fixing latch hook (lock barb).Since 83 of first section 742 and inwalls touch flat sides 74221 on the protuberance 7422 that occurs over just first section 742, so plant strength can significantly reduce.First section 742, back bending section 743 and second section 744 can be because the side 7442 of the terminal part 7441 of the protuberance 7422 of first section 742 and second section 744 be compressed power and be out of shape.Than loop-like plate locking device, because second section 744 has a terminal part 7441, so allow second section 744 can be fully and bending easily.Second section 744 has corner angle 7443 that are pressed against inwall 83, and the protuberance 7422 of these corner angle 7443 and first section 742 constitutes the snap feature of a balance.The back bending section 743 that possesses a U-shaped structure has higher fixing strength.When plate locking device 74 was pulled out, inwall 83 can be deepened with interference situations between the two such as corner angle 7443 and protuberances 7422, so that increase the fixing strength of plate locking device 74.Because the enough width D of back bending section 743 tools and when planting, be difficult for producing distortion, so when as shown in figure 10 thick circuit board 8 of plate locking device 74 insertions, back bending section 743 can be used as an effective rock-steady structure, rocks to avoid plate locking device 74.
With reference to shown in Figure 11, when plate locking device 74 inserts 8 ' time an of thin laminate circuit, the contact position that side 7442 of the protuberance 7422 of first section 742 and the terminal part 7441 of second section 744 etc. and inwall are 86 still enough away from printed circuit board (PCB) 8 ' lower surface 84, so can make plate locking device 74 that the utility model provides in being plugged on 8 ' time of thin printed circuit board (PCB), be unlikely to take place board layer from phenomenon.
Comprehensively described, the plate locking device that the utility model provides comprise a back bending section with both ends, one from housing fixedly section extend and be connected to first section and one second section that extends of the other end of this back bending section certainly of an end of back bending section.First section comprise can with a circuit board on, the inwall that defines the perforate protuberance of contact mutually.Second section comprise can with the inwall that defines this perforate terminal part of contact mutually.The back bending section makes this second section tool elasticity.Because the contact place between the inwall of protuberance and terminal part etc. and perforate makes the situation of printed circuit board (PCB) leafing can not take place still away from the lower surface of circuit board.The design of protuberance can reduce the required strength of planting, and cooperating between protuberance and terminal part can increase the fixing of plate locking device strength.When being inserted in the situation of thick circuit board, the back bending section has more stable effect.
Technology contents of the present utility model and technical characterstic disclose as above, yet those skilled in the art still may be based on teaching of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by claims.
Claims (10)
1. a plate locking device is used for an electric connector is immobilizated in a circuit board, it is characterized in that, this plate locking device comprises:
One housing is section fixedly, its be construction with this electric connector secure fit;
One first section, its from this housing fixedly section extend and have at least one protuberance, this protuberance from a lateral edges of this first section outwards outstanding and with on this circuit board, be used for and the inwall secure fit that defines a corresponding perforate;
One back bending section, it has both ends, and wherein this first section extension is connected to one of this end of this back bending section mutually; And
One second section, its other end from this end of this back bending section extends, and this second section has a terminal part and a side, this side and this inwall secure fit.
2. plate locking device according to claim 1 is characterized in that: this back bending section is a U-shaped structure.
3. plate locking device according to claim 2 is characterized in that: this second section more comprises corner angle that are positioned at this terminal part, these corner angle can with this inwall interference engagement.
4. plate locking device according to claim 3 is characterized in that: fixedly section is roughly the same apart from this housing for a top margin of this terminal part and a top margin of this protuberance.
5. plate locking device according to claim 4, it is characterized in that: this housing fixedly section comprises a plurality of from the fixing edge of the section latch hook portion of extending of this housing, wherein when this housing when fixedly section inserts a corresponding groove on this electric connector, described latch hook portion and this groove are interference engagement.
6. an electric connector is characterized in that, comprises:
One insulation shell, it comprises at least one groove;
A plurality of conducting terminals, it is from this insulation shell extension and matched with the electric connection point on the circuit board; And
At least one plate locking device, it extends from this insulation shell, and this plate locking device construction is to be immobilizated in this insulation shell on this circuit board, and respectively this plate locking device comprises:
One housing is section fixedly, and it is contained in corresponding this groove;
One first section, its from this housing fixedly section extend and have at least one protuberance, this protuberance from a lateral edges of this first section outwards outstanding and with the inwall secure fit that on this circuit board, is used to define a corresponding perforate;
One back bending section, it has both ends, and wherein this first section extension is connected to one of this end of this back bending section mutually; And
One second section, its other end from this end of this back bending section extends, and this second section has a terminal part and a side, this side and this inwall secure fit.
7. electric connector according to claim 6 is characterized in that: this back bending section is a U-shaped structure.
8. electric connector according to claim 7 is characterized in that: this second section more comprises corner angle that are positioned at this terminal part, these corner angle can with this inwall interference engagement.
9. electric connector according to claim 8 is characterized in that: fixedly section is roughly the same apart from this housing for a top margin of this terminal part and a top margin of this protuberance.
10. electric connector according to claim 9, it is characterized in that: this housing fixedly section comprises a plurality of from the fixing edge of the section latch hook portion of extending of this housing, wherein when this housing when fixedly section inserts a corresponding groove on this electric connector, described latch hook portion and this groove are interference engagement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG200900484-7A SG163450A1 (en) | 2009-01-22 | 2009-01-22 | Boardlock and electrical connector using the same |
| SG200900484-7 | 2009-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201515117U true CN201515117U (en) | 2010-06-23 |
Family
ID=42486528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201605294U Expired - Lifetime CN201515117U (en) | 2009-01-22 | 2009-06-26 | Plate locking device and electric connector with same |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN201515117U (en) |
| SG (1) | SG163450A1 (en) |
| TW (1) | TWM371316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122765A (en) * | 2020-08-25 | 2022-03-01 | 住友电装株式会社 | Connector with a locking member |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0610188B1 (en) * | 1991-11-21 | 1995-08-02 | Itt Industries, Inc. | Connector boardlock |
| GB9313492D0 (en) * | 1993-06-30 | 1993-08-11 | Amp Gmbh | Solderless boardblock |
| US5336111A (en) * | 1993-09-28 | 1994-08-09 | The Whitaker Corporation | Boardlock for an electrical connector |
| US5401188A (en) * | 1993-10-12 | 1995-03-28 | Itt Corporation | Boardlock clip |
| US5460543A (en) * | 1994-09-12 | 1995-10-24 | Itt Corporation | Boardlock assembly |
-
2009
- 2009-01-22 SG SG200900484-7A patent/SG163450A1/en unknown
- 2009-06-26 CN CN2009201605294U patent/CN201515117U/en not_active Expired - Lifetime
- 2009-06-29 TW TW098211657U patent/TWM371316U/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122765A (en) * | 2020-08-25 | 2022-03-01 | 住友电装株式会社 | Connector with a locking member |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM371316U (en) | 2009-12-21 |
| SG163450A1 (en) | 2010-08-30 |
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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: 20100623 |