The transmission interface connector
[technical field]
The utility model relates to a kind of connector, refers in particular to a kind of transmission interface connector.
[background technology]
Along with advancing by leaps and bounds of numeral science and technology, relevant electronic product constantly comes out, and is more strict with the connection requirement of ancillary equipment between the electronic product device.At present, liquid crystal is looked and is widely used in the exploitation of computer and tv product, is to be used for the Digital Transmission signal because liquid crystal is looked, each plane show look with audiovisual can the clear user of being sent in, this kind new and high technology has now become the main flow of each big manufacturer exploitation.
Digital transmission interface cable type (HDMI) connector of high-definition multimedia promptly can be and solves the connector that the audio frequency and video optimum efficiency uses simultaneously, this kind connector is a kind of brand-new pattern connector, described HDMI connector is except that the advantage that compatible DVI connector is had and overcome the existing defective of DVI connector, on structural design, dwindled the volume that it connects interface significantly, make more convenient being placed within the different audio-visual productss of HDMI connector, therefore developing the HDMI connector has now become industry research and development theme.But form monolithic case by sheet metal in the pull mode in present HDMI connector shielding member employing of researching and developing, this processing mode often is difficult to reach on precision, and processing is comparatively difficult, is unfavorable for that production efficiency improves, and must be improved.
[utility model content]
The purpose of this utility model is to provide a kind of transmission interface connector, and it is simple for production, can realize quick assembling, and its structure is more firm, uses saferly, and other each parts of connector can be coated fully, can effectively shield outside Electromagnetic Interference.
Above-mentioned purpose of the present utility model can be realized by following technical scheme: a kind of transmission interface connector of the present utility model, comprise preceding clamshell, insulating body, terminal group, back plug, every the ground sheet, be combined in the press strip up and down of this back plug, back clamshell, it is characterized in that:
Should before clamshell be that metal plate is one-body molded, have a socket part, each surface, this socket part extend back respectively that be provided with protrusion and stator insulating body and back plug secure bond;
This insulating body is provided with a rectangular portion, and this rectangular portion upper surface is provided with a groove, and this groove is provided with at least one protuberance, simultaneously, is provided with at least one protuberance at this rectangular portion lower surface;
These back plug two sides are respectively equipped with the protuberance that closes with preceding clamshell clip;
This back clamshell comprises clamshell and following clamshell, and clamshell, following clamshell respectively are provided with a plate body on this, and each plate body two side protrudes out sidewall, and this each sidewall is respectively equipped with the engaging support mechanism of mutual engaging, by engaging support mechanism clamshell is engaged with following clamshell.Reach firm engagement by clamshell two side sidewall snap fasteners up and down, other parts of connector are coated wherein fully, can effectively shield the external electromagnetic wave interference, improve the telecommunication signal quality of connection.
The novel purpose of the utility model also can further realize by following technical measures:
Described transmission interface connector is characterized in that: this fore shell cover socket part upper and lower surface is extended upward stator and following stator, is respectively equipped with the fastening perforation of at least one corresponding protuberance engaging with this insulating body on this upper and lower stator; This socket part two side faces extends the side stator respectively, this side stator is provided with the perforation of filling in the corresponding fastening of protuberance of two sides with this back, on this side stator, also be provided with another perforation, between this two perforation, be provided with one, be provided with a feet at the lower surface of this stator from the recessed breach of stator upper surface.
Described transmission interface connector, it is characterized in that: form a kink between the upper and lower surface of this upper and lower stator and this socket part, should go up the stator transverse width and equate with this insulating body recess width that this time stator transverse width then connect subordinate's face width with this fore shell enclosure and equates.
Described transmission interface connector is characterized in that: the following clamshell rear end of this back clamshell extends back a lead seat, upwards is convexly equipped with a catch at following clamshell front edge; This time clamshell two sidewalls respectively are provided with one group and fasten perforation, extend the indent evagination to the bottom fastening to be provided with between the perforation from each sidewall upper surface is recessed " U " the shape approaching channel.
Described transmission interface connector is characterized in that: at the upper casing cover plate body front edge of this back clamshell to having a catch; The two sidewall front ends that should go up clamshell inwardly are provided with one and fasten the portion that supports of perforation butt with preceding clamshell sidewall stator, should support the bend inwards vertical shell fragment of the breach that is provided with the side stator that inserts this preceding clamshell of portion's rear side, other sidewall of clamshell on this is provided with two and outwards protrudes the protuberance of boring a hole and fastening with the following clamshell fastening of this back clamshell, between this two protuberance, be provided with a guiding protuberance on the upper side, this guiding protuberance is " U " shape, this guiding protuberance correspondence places the approaching channel of this time clamshell sidewall, makes that clamshell can be fastened on this time clamshell exactly on this.
Described transmission interface connector is characterized in that: the catch of the following clamshell front edge of this back clamshell is provided with a groove, and this groove is embedded on this fore shell cover socket part.
From above narration as can be known, transmission interface connector of the present utility model has following advantage:
1. compare with known techniques, this front and back clamshell adopts sheet metal one-body molded from two edge break limit punching presses, and it makes simple and fast, meets the demand of simplifying fabrication schedule.
2. it all adopted multiple engaging support mechanism to the clamshell up and down of clamshell and back clamshell when fastening mutually before shield member of the present utility model promptly was somebody's turn to do, to reach more firm engagement.
3. the shield member of clamshell up and down of clamshell and back clamshell can coat other combiner wherein fully before of the present utility model being somebody's turn to do, with effective shielding outer signals interference effect.Can understand clearly more for above-mentioned purpose of the present utility model and structure being allowed be familiar with this technical staff, special conjunction with figs. embodiment is described in detail.
[description of drawings]
Fig. 1 is the utility model embodiment three-dimensional exploded view;
Fig. 2 is another angle three-dimensional exploded view of the utility model embodiment;
Fig. 3 is the stereogram after the utility model assembling.
[embodiment]
See also shown in Figure 1, the utility model institute for embodiment be digital transmission interface cable type (HDMI) connector 50 of high-definition multimedia, this connector comprise preceding clamshell 1, insulating body 2, terminal group 3, back plug 4, every ground sheet 5, be combined in the back fill in 4 ceiling molding 6 and following press strip 7 and after clamshell 8.
Please continue to consult Fig. 1, shown in 2, in this connector 50, its preceding clamshell 1 is the moulding of metal plate flanging integrated punching, these preceding clamshells 1 comprise a socket part 10, this socket part 10 is a normal formula HDMI interface, these socket part 10 upper surfaces, lower surface stretches out separately and protrudes, following stator 11,12, wherein should go up stator 11 transverse widths equates with groove 23 width of insulating body 2, and down the corresponding lower surface transverse width in stator 12 transverse widths and socket part 10 is equal substantially, these stators 11,12 with form a kink 111 separately between corresponding surface, 121, on this, following stator 11, respectively be provided with at least one on 12 and fasten perforation 112,122; Outside these socket part 10 2 side direction, extend horizontally away side stator 13,14, this two sides stator structure is identical, on each side stator 13,14, be provided with and fasten perforation 131,141,132,142, fasten between the perforation 141,142 at the perforation 131,132 of the fastening of side stator 13 and side stator 14 and respectively to be provided with a breach 133,143, be provided with feet 134,144 in each side stator 13,14 lower surface.
Insulating body 2 have a rectangular portion 21 and certainly this rectangular portion 21 front end faces extend the docking section 22 of protruding, upper surface in rectangular portion 21 offers a groove 23, these groove 23 transverse widths are suitable with preceding clamshell 1 stator 11 transverse widths, be provided with and stator 11 fastening perforation 112 protuberances that are interlocked 231 at these groove 23 end faces, be provided with and stator 12 fastening perforation 122 protuberances that are interlocked 211 at these rectangular portion 21 lower surfaces in addition.
Terminal group 3, be connected in insulating body 2 back plug 4, be sandwiched between insulating body 2 and the back plug 4 every ground sheet 5 and be mounted on the ceiling molding 6 of back plug 4 and member such as following press strip 7, in other patent application cases, did announcement, no longer be described specifically at this, but need back plug 4 is made brief description, on plug 4 two side faces of back, be provided with and fasten perforation 131,141 protuberances that fasten 41,42 with preceding clamshell 1 side stator; Before being socketed on behind its whole component compositions in the clamshell 1 with the above, the fastenings perforation by preceding clamshell 1 each surperficial extended stator and corresponding insulating body protuberance and after fill in two side protuberances and be interlocked and reach fixing, with the formation one.
Back clamshell 8 comprises upper and lower clamshell 82,81, and each clamshell is one-body molded by a metal plate flanging punching press.Wherein descend clamshell 81 to contain a plate body 811, these plate body 811 ends lead seat 812 that extends back, this lead seat 812 is crossed over for a cable, upwards be provided with a catch 813 at these plate body 811 front edges, this catch 813 is fastened on preceding clamshell 1 kink 121 positions, two sidewalls 814,815, radial projection on these plate body 811 front ends two side direction separately, make this two sidewall 814,815 are provided with one group separately fastens perforation 8141,8142 and 8151,8152 protuberances with these last clamshell 82 sidewalls of corresponding snapping, fasten between the perforation from recessed extension of sidewall upper surface in each group and to be provided with the indent evagination and to be to the bottom " U " shape structure approaching channel 8143,8153, these approaching channels 8143,8153 to guide clamshell guiding protuberance 8245,8255, can making up and down, clamshell accurately fastens.
Last clamshell 82 is provided with a plate body 821, these plate body 821 rear ends connect backward stretches out a wire clamp seat 822, this wire clamp seat 822 and following clamshell 81 lead seats 811 corresponding double team cables, be provided with the catch 823 of downward protrusion at plate body 821 front edges, on this catch 823, be provided with groove 8231, these groove 8231 its forms can engage with preceding clamshell 1 socket part 10, catch 823 is fastened on preceding clamshell 1 kink 111 positions, by up and down clamshell catch 823,813 designs, make not play forward of other each parts of being combined in it; Two sidewalls 824,825, stretch out under two side direction of plate body 821 separately, these sidewalls 824,825 are close to the bottom, be provided with successively to the back-end to the projecting inward portion 8241 that supports from front end, 8251, it supports portion 8241,8251 are fastened on preceding clamshell 1 sidewall stator respectively fastens perforation 132, on 142, respectively offering a kerf to the portion rear, one side of its otch is bent to form the vertical shell fragment 8242 perpendicular with sidewall to inner chamber, 8252, these vertical shell fragments 8242, the breach 133 of 8252 the past clamshell 1 side stators, 143 insert as the definite member in location, it can prevent that preceding clamshell 1 and other parts that are combined in the preceding clamshell 1 from moving backward, at this each sidewall 824,825 the portion 8241 that supports, 8251 and vertical shell fragment 8242, respectively be provided with one group of protuberance 8243 that outwards protrudes on the 8252 same horizontal lines, 8253 and protuberance 8244,8254, each is organized protuberance and following clamshell 81 2 sidewalls and fastens perforation 8141 for each corresponding one group, 8142 and fasten perforation 8151,8152 fasten respectively, at sidewall 824,825 respectively organize the protuberance upper middle outwards is convexly equipped with one " U " shape guiding protuberance 8245,8255, this guides protuberance 8245,8255 as keeper with sliding in this time clamshell 81 accordingly " U " shape approaching channel 8143, in 8153, make by each engaging support mechanism that clamshell 82 can be buckled in down on the clamshell 81 exactly on this, make these connector 50 other each combiners wrap Na Qinei fully, to improve the connector signal transmission quality.
As shown in Figure 3, the utility model assembling is also comparatively convenient, laborsaving.It is with insulating body 2, terminal group 3, back plug 4, be sandwiched in and be combined in an integral body every ground sheet 5 and the ceiling molding 6 and the following press strip 7 that are mounted on back plug 4 between insulating body and the back plug, (but need explanation to be, it has suitable slit to be convenient to clamshell 82 vertical shell fragments 8242 at face then to insulating body 2 during with 4 combinations of back plug, 8252 insert), this composite entity is located in the preceding clamshell 1 in the lump, then by insulating body 2 protuberances 231,211 fasten with the fastening perforation 112 of preceding clamshell 1 stator 11 and the fastening perforation 122 of stator 12 respectively, be attached to plug 4 two sidewall protuberances 41 behind insulating body 2 rear ends, 42 are fastened on preceding clamshell 1 side stator respectively fastens perforation 131, on 141, reach preceding clamshell 1 firm engagement by a plurality of stator combinations; Thereafter, clamshell 82 is gone up in the back to be fastened on the preceding clamshell 1, its catch 823 grooves 8231 are fastened on preceding clamshell 1 upper surface, each designed one supports last clamshell 82 sidewalls 824,825 portion 8241,8251 and fastens perforation 132,142 to closing with preceding clamshell 1 side stator, the vertical shell fragment 8242,8252 of last clamshell 82 is clamshell 1 breach 133,143 insertions in the past respectively, also can stop assembly front and back play; At last, assembling is clamshell 81 down, last clamshell 82 guiding protuberances 8245,8255 slip into along following clamshell 81 approaching channels 8143,8153, by clamshell firm engagement about the set corresponding engaging support mechanism of each sidewall of clamshell reaches up and down, other combiner of connector is in the clamshell of complete Bao Na front and back, to improve the anti-outer signals interference performance of connector like this.
By stating bright to the lock of above specific embodiment and comparing with located by prior art, we can recognize clearly that the utility model has obvious effect and effect:
1. clamshell all adopts the punching press of metal plate flanging one-body molded before and after the utility model connector, Be integrated the pull mode with the clamshell of commonly using before and make simple and easyly, reduce manufacture difficulty, group Dress is convenient, does not need other any aid.
Its front clamshell, be equipped with multiple snap fastener when clamshell respectively is fixed afterwards up and down, reach To mutual firm engagement more.
3. clamshell coats other parts of this connector wherein fully before and after it, is conducive to improve connect Connect the transmission of device signal.