CN2562391Y - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector component. A male connector (10) comprises a first and a second bodies (28, 30) capable of mutually engaging, a plurality of basal plates (16) positioned in the first body, and a plurality of signal terminals (18) and ground terminals (20) positioned in the second body, wherein each basal plate is provided with a first lateral margin (108) and a second lateral margin (110) which is perpendicular to the first lateral margin, the first lateral margin of the basal plate is hidden and accommodated in a corresponding guide grid (44) on the first body, and the second lateral margin is positioned between the signal terminals and the ground terminals. Because the intensity of the ground terminals is larger than the intensity of the signal terminals, a second edge is abutted on the signal terminals. A female connector (12) which is engaged with the male connector comprises an insulating body (22) and a plurality of signal terminals (24) and ground terminals (26) positioned in the insulating body, wherein the signal terminals are across arranged on the bottom surface (128) of the insulating body. The male connector and the female connector have guide structure in order to ensure the correct butt joint of the male connector and the female connector.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers in particular to a kind of back panel connector with substrate, and substrate can electrically connect by the conducting terminal of welding manner and back panel connector.

[background technology]

Rich Rec investigation (Fleck Research) is the leader of global information technology and industry information, issued the article of " prospect back panel connector " by name on January 7th, 2002 at its webpage http://www.fleckresearch.com/news/en_99-10-18.htm., this article has been introduced some back panel connectors, as the 2.0mm connector of Tai Ruide (Teradyne) company with HDM (the High Density Metric) family of lux (Molex) company that rubs, the Metral HB connector of Bo Ge (FCI/Berg) company, HMHS (the Hard MetricHigh Speed) connector that Bo Ge company is new and pacify the Z-PACK HS3 of general (AMP) company.These connectors all have high density, high speed and can strict control group and the characteristics of cross-talk.

United States Patent (USP) the 6th, 171, No. 115 and the 6th, 267, No. 604 is that Tyco Electronics Corp (TycoElectronics Corporation) has, and has all disclosed the back panel connector that has insulating body and be positioned at some circuit boards of insulating body.Body comprises support anterior and that engage with the front portion.Each circuit board includes the some conductive traces that extend from the composition surface that is provided with mounting edge.The composition surface is to engage in the anterior of body and with butt connector.Mounting edge and terminal are welded fixing the insertion again in the perforation of support.The United States Patent (USP) of Bo Ge company has disclosed a kind of back panel connector the 6th, 083, No. 047, and it comprises the circuit board module that insulating body and plurality of parallel are arranged, and these circuit boards are to insert in the body side by side.Each circuit board module include a pair of substrate, some be welded in the terminal of each substrate inner surface and be positioned at the substrate inner surface between insulating frame.The terminal that back panel connector had that the United States Patent (USP) that the extra large company of letter (Hon Hai) has discloses for the 6th, 168, No. 469 is to be welded on the printed circuit board (PCB).These connectors have some deficiency: at first, need terminal be welded on the circuit substrate by the surface soldered technology, but the required machine costliness of surface soldered technology will increase the manufacturing cost of connector; The second, the substrate of transmission of power must replace the substrate in order to transmission signals of original design, must abandon the design that substrate engages with terminal, and this equally also will increase cost; The 3rd, there is not suitable guidance method to guarantee that substrate accurately engages with the terminal of butt connector.And the precious metal that the friction of the edge of signal terminal and substrate also will cause being plated on the contact site of terminal weares and teares.

The United States Patent (USP) of being owned together by Tai Ruide company and Bo Ge company has also disclosed a kind of back panel connector the 6th, 239, No. 827 and the 6th, 174, No. 202, and it has the plurality of terminals that is stamped to form by metal material.Each terminal all has the abutting end that engages with the terminal of butt connector and is installed in installation end on the motherboard.These terminal configurations are big and cost is higher.

The United States Patent (USP) that Tai Ruide company and Bo Ge company have has disclosed a kind of back panel connector that has metallic plate between two row's terminals for the 5th, 980, No. 321 and the 6th, 220, No. 896.The weak point of this kind back panel connector is that metallic plate does not have elastic arm and reliably is connected with the grounding assembly of butt connector with assurance.Thereby be connected disconnection between the grounding assembly of the grounding assembly that may cause back panel connector and butt connector.Therefore need a kind of improved electric connector of design, to overcome the deficiency of existing electric connector.

[summary of the invention]

The purpose of this utility model is to provide a kind of electric connector with circuit substrate, circuit substrate can be slidingly connected with corresponding terminal, available device with other function is replaced some of circuit substrates, is provided with guiding structural in the front portion of circuit substrate and accurately docks with conductive component on the circuit substrate with the terminal of guaranteeing butt connector.

For achieving the above object, the utility model adopts following technical scheme: electric connector combination comprises the public connector that is installed on the first circuit board, be installed on the female connectors on the second circuit board and guarantee the guiding structural of the correct butt joint of male and female connector.Public connector comprises two interengageable independently first, second bodies, the some first intrinsic substrate, some second intrinsic signal terminal and earth terminals that be positioned at of being positioned at, and wherein signal terminal and earth terminal are oppositely arranged.Have some first conducting strips near first lateral margin of each substrate, have some second conducting strips near second lateral margin perpendicular to first lateral margin.The front of the first body upper substrate has the guiding grid of some wedge shapes, can be connected with corresponding first conducting strip on the substrate with the terminal that guarantees female connectors.Second lateral margin of substrate extends into second body also slidably from first body, and this moment, second lateral margin was between signal terminal and corresponding earth terminal.

The female connectors that engages with public connector comprises having some long and narrow partitions and be formed with the insulating body of passage and be contained in some signal terminals and earth terminal in the passage between adjacent two partitions, and wherein each earth terminal is relative with some signal terminals.Each earth terminal has four clasps, be positioned at eight contact arms of a side and be positioned at five afterbodys of opposite side.Wherein contact arm is divided into four pairs, is to be provided with a clasp between adjacent two pairs.Each clasp top has uses the hook portion that is connected with insulating body, thereby earth terminal is fixed in the insulating body.When the conducting strip on afterbody and the second circuit board electrically connected, contact arm then engaged with the grounding assembly of female connectors.In preferred embodiment of the present utility model, the intensity of the contact arm of earth terminal is greater than the contact site of signal terminal, make substrate between contact arm and contact site be touched arm and push contact site to, to guarantee the electric connection between the contact site and second conducting strip.The maintaining part of each signal terminal all has a perforation makes maintaining part can bridge on the projection of insulating body.

Guiding structural comprises the pair of frames at the first body two ends that are positioned at public connector and is positioned at female a pair of guide pillar that connects the insulating body two ends of device, forms a guiding space on each framework and first body between the outermost guiding grid.Guide pillar is to be contained in the corresponding guiding space, can guide public connector and engage with female connectors when first body engages with insulating body.The inner surface of each framework has two asymmetric guiding blocks, has on each guide pillar and the corresponding guide channel of guiding block.Have only that public connector could engage with female connectors when guiding block matches with guide channel, thereby reach the effect of anti-mis-insertion.

Compared to prior art, the utility model circuit substrate can be slidingly connected with corresponding terminal, not only available device with other function is replaced some of circuit substrates, its guide mode that has can guarantee that public connector accurately docks with female connectors, and terminal can firmly be contained in the insulating body.

[description of drawings]

Fig. 1 is that the utility model male and female connector is installed in the three-dimensional combination figure on first, second circuit board respectively.

Fig. 2 is that the utility model public connector is installed in the stereogram on the first circuit board.

Fig. 3 is the three-dimensional exploded view of the utility model public connector first body and second body.

The 4th A figure and the 4th B figure are the amplification stereograms of part-structure among Fig. 3.

Fig. 5 is the stereogram of first body among Fig. 3.

Fig. 6 A-Fig. 6 C is the amplification stereogram of three embodiment of the signal terminal of the utility model public connector.

Fig. 7 is the amplification stereogram of the earth terminal of the utility model public connector.

Fig. 8 A-Fig. 8 B is the stereogram of different angles of the substrate of the utility model public connector.

Fig. 9 is certain a part of cutaway view of the utility model public connector.

Figure 10 is that the utility model female connectors is installed in the stereogram on the second circuit board.

Figure 11 A-Figure 11 B is the part stereogram of female connectors among Figure 10.

Figure 12 is certain a part of cutaway view of male and female connector assembling back.

After Figure 13 A-Figure 13 B is the assembling of male and female connector, the stereogram of different angles when substrate engages with signal terminal and earth terminal.

Figure 14 is the vertical view of the circuit board of the utility model second embodiment.

[embodiment]

See also Fig. 1 to Fig. 3, Fig. 6 A to Fig. 6 B and shown in Figure 10, the utility model electric coupler component 1 comprises the public connector 10 that is installed on the first circuit board 3, is installed on the female connectors 12 on the second circuit board 4.Public connector 10 comprises body 14, some substrates 16 and some signal terminal 18 and earth terminals 20 that is positioned at body 14.Female connectors 12 comprises insulating body 22 and some signal terminal 24 and earth terminals 26 that is contained in the insulating body 22.

See also Fig. 3 to shown in Figure 9, body 14 comprises two interengageable independently first, second bodies 28,30.First body 28 has front surface 32, rear surface 34 and and the perpendicular lower surface 36 in rear surface that engages with female connectors 12.First body 28 has some passages 38 that pass rear surface 34, lower surface 36 and end at front surface 32.The top of the rear surface 34 of first body 28 has two row's projections 40, has two near two both sides of arranging projections 40 and leads rib 42.Lead rib 42 and extend downwards and pass rear surface 34, correctly engage with second body 30 to guide first body 28.Also have some guiding grid 44 near front surface 32 places on first body 28.Each guiding grid 44 has three branches 46 that extend rearwardly into respective channel 38 on first body 28 respectively.Also have a ranking on the intermediate surface 50 of first body 28 and between forward and backward surperficial 32,34 and with forward and backward surperficial 32,34, parallel recess 48 (Fig. 5).

The shape of second body 30 is similar to sofa, and it comprises rectangular base 52, backrest 58 and two long and narrow bed hedgehopping portions 60; The upper surface 56 of base portion 52 is provided with some conduits 54, and backrest 58 is to extend from the back edge of the upper surface 56 of base portion 52, and two bed hedgehopping portions 60 lay respectively at the forward and backward lateral margin of the base portion lower surface 62 of base portion 52.Be plates 64 between two adjacent conduits 54, its upper surface has four openings 66, also has a raised line 68 in each opening 66.Have a row on the front surface 72 of base portion 52 and be contained in the projection 70 in the corresponding recess 48 on first body 28.The top 76 of backrest 58 is provided with row's recess 74 engaging with corresponding projection 40, and the both sides of the edge 80 of backrest 58 also have two guide rails 78 and lead rib 42 to accommodate on first body 28.

Signal terminal 18 comprises contact site 82 that engages with substrate 16 and the afterbody 84 that engages with first circuit board 3.The distance (ginseng Fig. 9) that the contact site 82 of signal terminal 18 is certain at interval in the horizontal with afterbody 84.Afterbody 84 is to adopt forced so that in the corresponding accepting hole 86 on the insertion first circuit board 3.The afterbody 84 of the signal terminal 18 of the utility model second embodiment ' have inclination ' to be connected with the conducting strip 88 of corresponding first circuit board 3 ' on (as shown in figure 14).The signal terminal 18 of the utility model the 3rd embodiment " comprises the contact site 82 with two elastic arms 90, forced afterbody 84 " and is positioned at the maintaining part 92 of the inclination between the contact site 82 " and afterbody 84 ".Maintaining part 92 has one can make its perforation 94 on second body, 30 upper surfaces of bridging.

Five afterbodys that earth terminal 20 comprises long and narrow base portion 96, extend downwards from the bottom side of base portion 96 98, four clasps 100 and eight upwardly extending contact arms 102 in the top from base portion 96.The both sides of each clasp 100 have two contact arms 102.The shape of each clasp 100 is similar to " 7 " font, and its top has a hook portion 104.Have on the hook portion 104 in order to accommodate the otch 106 of corresponding raised line 68 on second body 30.Two apparent surfaces of substrate 16 upward are provided with one near first lateral margin, 108 places and ranked first golden finger 112, being provided with one near second lateral margin, 110 places ranked second and also be provided with some traces 116 that first golden finger 112 is connected with second golden finger 114 on 114, two apparent surfaces of golden finger.First row's golden finger is vertical with second row's golden finger.Also be provided with three grooves 118 on first lateral margin 108 of substrate 17 in order to accommodate corresponding branch 46 on the guiding grid 44.

Before assembling public connector 10, substrate 16 is inserted on first body 28 in the corresponding passage 38 to front surface 32 by rear surface 34.First lateral margin 108 of each substrate 16 engages and hidden being housed in the corresponding guiding grid 44 with corresponding branch 46 by groove 118.Second lateral margin 110 of each substrate 16 extends downwards on lower surface 36, and its second golden finger 114 exposes first body 28.Signal terminal 18 and earth terminal 20 inserted on second body 30 in the corresponding conduit 54, make eight signal terminals 18 be positioned at a side of conduit 54, an earth terminal 20 is positioned at the opposite side of conduit 54, and signal terminal 18 and earth terminal 20 are toward each other.Otch 106 engages with corresponding raised line 68 and makes the hook portion 104 of earth terminal 20 be contained in the opening 66, thereby earth terminal 20 is connected with first body 28.First body 28 is assembled on second body 30 with 16 1 of substrates, makes second edge 110 of substrate 16 be contained in the corresponding conduit 54 of second body 30.Thereby the contact arm of the contact site 82 of signal terminal 8 and earth terminal 20 102 is set up with second golden finger, 114 butts on the substrate 16 and is electrically connected.Substrate 16 is between the contact arm 102 of the contact site 82 of signal terminal 18 and earth terminal 20.Because the intensity of the contact arm 102 of earth terminal 20 is greater than the contact site 82 of signal terminal 18, substrate 16 is touched arm 102 and pushes contact site 82 to, to guarantee the electric connection between the contact site 82 and second golden finger 114.

See also shown in Figure 10 and Figure 11 A to Figure 11 B, the insulating body 22 of female connectors 12 comprises some long and narrow partitions 120, is formed at the passage 122 between adjacent two partitions 120 and is contained in passage interior some signal terminals 24 and earth terminal 26, " and earth terminal 20 is similar, just the size difference for the signal terminal 18 of the signal terminal 24 of female connectors 12 and the shape of earth terminal 26 and public connector 10.Insulating body 22 has a pair of long and narrow bed hedgehopping portion 124 and a pair of guide posts 126 (can only see among Figure 11 B).Further comprise some protuberances 130 on the bottom surface 128 of insulating body 22.Signal terminal 24 comprises the maintaining part 132 of the inclination with pair of ribs 134 and the slit 136 between flank 134, and this is between the flank 134 being a perforation 134.Maintaining part 132 can bridge on the protuberance between the flank 134 130, thereby signal terminal 24 is retained on the insulating body 22.

See also shown in Figure 12 and Figure 12 A to Figure 12 B, when public connector 10 engages with female connectors 12, the contact site 82 of the guiding grid 44 promotion corresponding signal terminals 24 of the wedge shape of public connector 10 and the contact arm 102 of earth terminal 26 also make its separation, thereby do not taking place under the situation of friction, making contact site 82 and contact arm 102 slide and electrically contact with corresponding first golden finger 112 with substrate 16 first lateral margins 108.Thereby overcome that signal terminal contact site 82 rubs mutually with the edge of substrate 16 and the shortcoming of the precious metal that causes being plated on the contact site 82 wearing and tearing.The afterbody 84,98 of public connector 10 signal terminals 18 and earth terminal 20 aligns and inserts in the same exhausting hole 86 on the first circuit board 3.Identical method is also adopted in the assembling of female connectors 12.

See also shown in Figure 14, the through hole 86 that the first circuit board 3 of the utility model second embodiment ' have five row punchings form ' and four line up right conducting strip 88, each to conducting strip be between adjacent two rows' through holes 86 '.When public connector 10 is installed on first circuit board 3 ' when going up, with the afterbody 98 of earth terminal 20 be pressed into corresponding through hole 86 ' in, signal terminal 18 ' contact site 84 ' by act on contact site 84 ' on thrust electrically contact with conducting strip 88 accordingly.

Please refer to Fig. 1, Fig. 2 and shown in Figure 10, the both sides of the utility model electric coupler component have guiding structural to guarantee that public connector accurately docks with female connectors.Each guiding structural 138 comprises a framework 140 of first body, 28 1 sides that are positioned at public connector 10 and is positioned at insulating body 22 each side of female connectors 12 and the guide pillar 148 with wedge-shaped top 150, forms a guiding space 142 on each framework 140 and first body 28 between the outermost guiding grid 44.Have two asymmetric guiding blocks 144 on each frame inner surface 146, the wedge-shaped top 150 of guide pillar 148 is higher than the upper surface of insulating body 22.Also have two and guiding block 144 corresponding asymmetric guide channels 152 on the lateral surface 154 of each guide pillar 148.When public connector 10 engaged with female connectors 12, wedge-shaped top 150 was at first inserted corresponding guiding space 142, and before guiding grid 44 and insulating body 22 contacts, guiding block 144 is contained in the corresponding guide channel 152.After guide pillar 148 all inserts guiding space 142, just realized the firm engagement of public connector and female connectors.

Compare Yu prior art, the utlity model has many You points. At first, but substrate 16 Yu Firsts Body 28 interior movements, the Zhe sample can use the substrate with difference in functionality as required; The second, substrate 16 Lateral margin 108 be guided Shan 44 Zhe and cover, can avoid electroplating on the contact site 82 of Zai signal terminal 18 The precious metal wearing and tearing; The 3rd, long and narrow ground terminal 20 passes through four maintaining parts 100 Yu second body 30 Be connected, thereby so that ground terminal 20 Yu the stable connection of second body 20; The 4th, substrate 16 is You ground terminal 20 is pushed signal terminal 18 to, thereby guarantees the contact site 82 Yu conducting strips of signal terminal 18 Set up firm electric connection between Zhi 114.

Claims (10)

1. electric connector, it includes first body, some substrates, second body and some signal terminals and earth terminal, and first body has some passages of accommodating; Some substrates are the passages of accommodating that are positioned at above-mentioned first body, each substrate comprises some first conducting strips of being positioned at the substrate first lateral margin place, is positioned at some second conducting strips at the substrate second lateral margin place and connects first conducting strip respectively and some traces of corresponding second conducting strip, second lateral margin of substrate has at least part to extend first body, makes second conducting strip stretch out first body; Second body has some conduits; At least firmly contain a signal terminal and an earth terminal relative in each conduit of second body with signal terminal; It is characterized in that: first body is and second body engagement, second lateral margin of substrate is in the corresponding conduit that inserts on second body, substrate in the conduit is between signal terminal and earth terminal, and signal terminal and earth terminal can be in conduits and engaging that second conducting strip slides.

2. electric connector as claimed in claim 1, it is characterized in that: first body have with connect front surface that connector engages, rear surface and with the perpendicular lower surface in rear surface, substrate is to be inserted on first body to front surface by the rear surface to accommodate in the passage accordingly, and the part of substrate is extended lower surface.

3. electric connector as claimed in claim 1, it is characterized in that: each earth terminal comprises a contact arm at least, each signal terminal comprises a contact site at least, second lateral margin of substrate is between contact arm and contact site, the intensity of the contact arm of earth terminal is greater than the contact site of signal terminal, pushes substrate to contact site by contact arm.

4. electric connector as claimed in claim 3, it is characterized in that: first body and second body all have row's projection and row's recess, projection on first body or second body is in the recess that is contained on second body or first body, and first body and second body are fitted together.

5. electric connector as claimed in claim 4, it is characterized in that: a body in first body and second body has at least one rib of leading, another body has at least one guide rail, with before recess engages, the rib of leading on two bodies engages earlier with guide rail at the projection of first body or second body.

6. electric connector, comprise interengageable first body and second body, some signal terminals and earth terminal, be positioned at the some substrates of passage of above-mentioned first body, have some passages on first body, have on second body and the corresponding conduit of passage, passage and conduit align; At least firmly contain a signal terminal and an earth terminal relative in each conduit of second body with signal terminal; It is characterized in that: substrate is between signal terminal and earth terminal, and the intensity of earth terminal is greater than the intensity of signal terminal, therefore can push substrate to contact site by contact arm.

7. electric connector as claimed in claim 6, it is characterized in that: each signal terminal has the contact site that engages with corresponding substrate, earth terminal has the contact arm that engages with corresponding substrate, the intensity of the contact arm of earth terminal is wanted the contact site of big and signal terminal, and contact arm is pushed substrate to contact site.

8. electric connector as claimed in claim 6, it is characterized in that: substrate comprises some first conducting strips of being positioned at the substrate first lateral margin place, is positioned at some second conducting strips at the substrate second lateral margin place and connects first conducting strip and some traces of second conducting strip, and signal terminal and earth terminal are with and conducting strip engages.

9. electric connector as claimed in claim 8, it is characterized in that: first body has the front surface, the rear surface that engage with butt connector and reaches and the perpendicular lower surface in rear surface, substrate be by the rear surface in front surface inserts on first body corresponding passage, and second lateral margin of substrate extends on lower surface and enters in the conduit of second body.

10. electric coupler component, it includes the insulating body with receiving space, some tabular dividing plates, the conduit between adjacent two dividing plates, long and narrow earth terminal, some signal terminals, first circuit board and second circuit board; It is interior and separated from one another that these dividing plates are arranged side by side in receiving space; It is characterized in that: earth terminal is a side that is positioned at conduit, and each earth terminal comprises long and narrow base portion, some from base portion be inclined upwardly contact arm that extends and the installation portion that extends downward vertically from base portion; Signal terminal is the opposite side that is positioned at conduit, and it comprises be inclined upwardly contact site that extends and the afterbody that extends downwards; First circuit board is to be contained in the conduit, and between signal terminal and earth terminal; Insulating body is mounted on the second circuit board, and the installation portion that is positioned at the afterbody of signal terminal of each passage and earth terminal is concordant each other on total length direction of dividing plate.

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