CN2459785Y - Cable connector with improved fastener - Google Patents

Abstract

The utility model relates to a cable connector device, which includes a cable connector and a housing wrapping the cable connector. The cable connector includes a pair of electrical connectors, and a cable electrically connected to the electrical connector. , a pair of locking pieces placed on the side of the electrical connector, and a cover covering the electrical connector and accommodating the locking pieces. When the cable connector is combined with the corresponding electrical connector installed on the electronic device, each locking member connects the shielding shell of the electrical connector with the grounding plate of the electronic device, and the shell is pushed forward on the cover The flange of the housing is adjacent to the locking member, thereby preventing the locking member from detaching from the grounding plate under vibration conditions.

Description

Wire and cable connector device with improvement buckling device

The utility model is a kind of wire and cable connector, especially refer to a kind of wire and cable connector that has conduction snap close piece and housing simultaneously, this conduction snap close piece and the ground plate that is placed on the electronic installation electrically connect, and housing prevents that the conduction snap close piece breaks away from from ground plate under vibration condition.

Wire and cable connector is normally used for electronic installation, as minicom, is connected to ancillary equipment, as printer etc.This wire and cable connector is connected with electronic installation by the conduction snap close piece that is installed in its both sides usually, and the conduction snap close piece is to make with elastic sheet metal.In order to make manufacturing more convenient, the Young's modulus of metal material is less relatively.When wire and cable connector and electronic installation combine, the conduction snap close piece firmly is contained in the opening on the ground plate of electronic installation its end by inside crimping.The conduction snap close piece combines by elasticity with ground plate, yet, because their Young's modulus is less relatively, so the conduction snap close piece is easy to break away from from ground plate under the vibration condition.As a result, electronic installation can not pass through vibration test.Thereby the conduction snap close piece can not guarantee and firm the combining of electronic installation.

Thereby a kind of improvement wire and cable connector that remedies the above-mentioned defective that exists in the prior art is the required of present technique field.

The purpose of this utility model is to provide a kind of wire and cable connector, this wire and cable connector has conduction snap close piece and housing, when housing is positioned at make position, the ground connection snap close piece that can prevent to be connected on the ground plate that docks electronic installation breaks away from, thereby even wire and cable connector also can firmly be connected under vibration condition with electronic installation.

According to aforementioned purpose, wire and cable connector device of the present utility model comprises the housing of a wire and cable connector and part parcel wire and cable connector.Housing can slide on the wire and cable connector fore-and-aft direction.Wire and cable connector comprises a pair of USB (Universal Serial Bus) electric connector, article one, be connected to the cable of above-mentioned USB electric connector, one is opposite to the conduction snap close piece of the both sides of above-mentioned USB electric connector, the lid of the above-mentioned USB electric connector of one parcel, and a pair of ground connection grizzly bar that is placed in cover outer surface.Each snap close piece is V-shape and has a first arm and one second arm, wherein the shielding casing of this first arm and a corresponding above-mentioned USB electric connector electrically connects, and this second arm extends out so that electrically reach mechanical connection with the ground plate that docks electronic installation that this wire and cable connector will be pegged graft from above-mentioned lid side.Each ground connection grizzly bar has a base portion and a pair of conducting strip that extends out from this base portion.This base portion is positioned in cover outer surface, and this extends through lid to conducting strip and enter the inside of lid and be conducted with the shielding casing of above-mentioned USB electric connector respectively.The base portion of each grizzly bar also is provided with a pair of by the outward extending elasticity of base portion finger.When wire and cable connector of the present utility model with dock electronic installation and peg graft after, above-mentioned snap close piece docks the ground plate snap close of electronic installation and electrically connects with it with this, housing fore-and-aft direction in the wire and cable connector upper edge and is moved, make that the round flange and the snap close piece of housing are adjacent to prevent that snap close piece breaks away from from ground plate, simultaneously the end of the elasticity finger of above-mentioned ground connection grizzly bar is resisted against above-mentioned ground plate, electrically connects thereby set up between the ground plate of the shielding casing of above-mentioned USB electric connector and butt joint electronic installation.

Owing to adopt such scheme, can prevent that snap close piece breaks away from from ground plate under vibration condition, thereby the wire and cable connector device be connected firmly with ground plate with the electric connector of electronic installation.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the schematic perspective view that the utility model wire and cable connector reaches the electronic installation that will peg graft with this wire and cable connector.

Fig. 2 is the three-dimensional exploded view of the utility model wire and cable connector.

Fig. 3 be after the utility model cable connector combination with electronic installation shown in Figure 1 on the stereogram of ground plate before docking.

Fig. 4 is the amplification plan view after the utility model wire and cable connector removes loam cake.

Fig. 5 is that the utility model wire and cable connector and ground plane shown in Figure 3 harden and close the cutaway view of back along the A-A line of Fig. 3.

Fig. 6 is the zoomed-in view of the part that indicates with circle on Fig. 5.

Fig. 7 is the zoomed-in view of the utility model wire and cable connector shown in Figure 3.

Fig. 8, Fig. 9 are the zoomed-in views of the different directions of the utility model wire and cable connector device, and it comprises the wire and cable connector of Fig. 7 and the housing that part is wrapped up wire and cable connector.

Figure 10, Figure 11 are Fig. 8, the inverted stereogram of housing shown in Figure 9.

Figure 12 is the inverted front view of housing shown in Figure 10.

Figure 13 is the cutaway view of assembly shown in Figure 12 along the B-B line.

Figure 14 is the vertical view of wire and cable connector device, and its middle shell is positioned at after the wire and cable connector portion and the pair of catches part is extruded inward.

Figure 15 is the end view of assembly shown in Figure 14, and its middle shell is cut open along the C-C line.

Figure 16 is the view similar to Figure 14, and just housing is positioned at the front portion of wire and cable connector.

Figure 17 is the end view of assembly shown in Figure 16, and just housing is cut open along the D-D line.

Please at first consult Fig. 7 to shown in Figure 10, the utility model is a kind of cable connector combination 100, and it comprises the housing 80 of wire and cable connector 1 and part shield wire cable connector 1.Housing 80 can move along the fore-and-aft direction of wire and cable connector 1.

See also Fig. 1, shown in Figure 2, the utility model wire and cable connector is to be used for and electronic installation, computer for example, and other servicing unit, as electrically connecting between the printer, so as between this electronic installation and other servicing unit transmission signal.Wherein, this electronic installation 2 comprises that a casing 21, two are installed in the ground plate 23 that first electric connector 22 on the casing 21 and are placed in side after the casing 21, wherein, this ground plate 23 is to be connected to a certain reference voltage (typically referring to ground connection) with a kind of for practising in the known mode of the personage of this skill.The structure of the above-mentioned casing 21 and first electric connector 22 belongs to existing skill category, therefore, for simplicity, is not described in detail at this.Above-mentioned ground plate 23 offers opening 24 and four blocks 25 that lay respectively at these four corners of opening of a longitudinal.Each limit at two relative sides of opening 24 all is provided with a slit 26, and this slit 26 is located between two adjacent blockers 25, and these structures help this wire and cable connector 1 reliably on the ground plate 23 attached to above-mentioned electronic installation 2.Describe in detail and hold aftermentioned.

Consult shown in Figure 2, the utility model wire and cable connector 1 comprises a pair of second electric connector 10 (as the USB electric connector), article one, be connected to the cable 20 on second electric connector 10, a lid 30 and an earthing device that wraps up above-mentioned second electric connector 10 and cable 20, wherein this earthing device comprises pair of conductive snap close piece 40 and first and second ground connection grizzly bar 50,51 that partly is housed in the above-mentioned lid 30.Each second electric connector 10 has a shielding casing 12; this shielding casing 12 wraps up the insulating body of this second electric connector 10 and the plurality of conductive terminals (not label) that is housed in this insulating body basically, thereby the influence of outside electromagnetic interference is avoided in protection by this conducting terminal electrons transmitted signal.The structure of this second electric connector 10 and this cable 20 belongs to existing skill category, and for simplicity, this specification is not described in detail.

In the preferred embodiment of the utility model wire and cable connector, above-mentioned lid 30 is to comprise a upper cover body 32 and a lower cover 34, complies with existing skill after the whole appropriate arrangements of this upper and lower cover body 32,34 other assembly in needs are wrapped in it again with its combination.This upper and lower cover body 32,34 has identical structure basically, therefore, below only the structure of lower cover 34 is done more detailed narration, and the structure of upper cover body 32 can be learnt by consulting lower cover 34.

This lower cover 34 comprises that a main part 36 and is by main part 36 outer wall 38 of vertical extent certain altitude upwards.Main part 36 is provided with two through holes 362 in its front portion.Adjoiner at each through hole 362 rear portion all is provided with a depressed part 364 that is communicated with to recessed and corresponding with this through hole 362 of outer surface by the inner surface of lower cover 34.Main part 36 further is formed with a fin 39 on its outer surface.Each outer arm 38 is provided with a conduit 382 to accommodate above-mentioned conduction snap close piece 40 at its lateral surface.

Each conduction snap close piece 40 is V-shape basically and comprises a first arm 42 and one second arm 44.The first arm 42 forms one to the elastic cantilever 422 away from the second arm direction deflection.Second arm 44 is provided with a V-shape breach 442 in each of its end 444 to stile.

The first and second ground connection grizzly bars 50,51 are structurally similar each other, and therefore, the structure that only is described in detail the first ground connection grizzly bar, 50, the second ground connection grizzly bars 51 below then can be learnt by consulting first grizzly bar 50.The first ground connection grizzly bar 50 comprises the base portion 52 of a longitudinal, and the cross section of this base portion is the U font basically.Middle part at this base portion 52 upwards then extends back earlier pair of conductive sheet 54.The distance of described pair of conductive sheet 54 spaces equals the distance of 362 of through holes on the lower cover 34, thereby makes this can be passed described through hole 362 respectively rightly to conducting strip.The front portion of base portion 52 forms a pair of elasticity finger 58, and wherein, each elasticity finger 58 all has an end away from base portion 52 certain distances.The forwards outstanding and space certain distance in above-mentioned two elasticity fingers 58.

Please then consult Fig. 3, Fig. 4, when this wire and cable connector of combination, the second and first ground connection grizzly bar 51,50 is set to respectively on the upper and lower cover body 32,34.The base portion 52 of the first ground connection grizzly bar 50 is accommodated fin 39 and the combination with it on the lower cover 34.Conducting strip 54 on the first ground connection grizzly bar 50 extends through the through hole 362 on the lower cover 34 and enters depressed part 364.The second ground connection grizzly bar 51 is assembled into upper cover body 32 with the same manner.The end of the elasticity finger 58,59 of the first and second ground connection grizzly bars 50,51 will more close the utility model wire and cable connector 1 with respect to its base portion 52,53 front end, therefore, they will be prior to base portion 52,53 and the ground plate that docks electronic installation 2 23 butts, and make butt more reliable by its elasticity.Then, conducting strip 54,55 is bent certain angle so that the end of this conducting strip 54,55 can flexibly be connected on the shielding casing 12 of corresponding second electric connector 10 to the center near lid 30.Cable 20 is by being welded to the lead on it 202 on second connector terminals (not icon), thereby is electrically connected on aforementioned second electric connector 10.Second electric connector 10 then is placed side by side on the lower cover 34, and an elasticity butt of the shielding casing 12 of each second electric connector 10 and the conducting strip 54,55 on the ground connection grizzly bar 50,51.Like this, two shielding casings 12 electrically connect by the first ground connection grizzly bar 50.Aforementioned conduction snap close piece 40 is assembled into lower cover 34, and wherein, each the first arm 42 is housed in the conduit 382 corresponding with it, and each second arm 44 is stretched by lower cover 34 1 epitaxial lateral overgrowths.Each elastic cantilever 422 projection inwardly and elasticity are connected to the outside of the shielding casing 12 of the second adjacent electric connector 10.Upper and lower cover body 32,34 then makes up mutually by existing skill.Therefore, the conducting strip on the second ground connection grizzly bar 51 55 just flexibly is connected to the top of the shielding casing 12 of second electric connector 10.Correspondingly, the electrostatic charge on the shielding casing 12 just can derive by first and second ground connection grizzly bar 50,51.Wire and cable connector 1 after the assembling is formed with two Bu Kou (not label), so that wire and cable connector 1 can be connected to two first electric connectors 22 (Fig. 1 shows) on the electronic installation 2 simultaneously.

See also Fig. 3, Fig. 5, when the utility model wire and cable connector was plugged on two first electric connectors 22 of electronic installation 2, the front end of wire and cable connector 1 was inserted into the opening 24 on the ground plate 23.During insertion, the external force that second arm 44 of conduction grip tab 40 is applied in is thereon inwardly pushed, and each of such second arm 44 terminal 444 just can extend through the opening 24 of ground plate 23.On second electric connector 10 and electronic installation 2 after corresponding first electric connector, the 22 firm butt joints, remove aforementioned external force, under the effect of elastic force, the end 444 of second arm 44 outwards moves a certain distance and is housed in the slot corresponding 26, terminal 444 V-shape breach 442 and corresponding block 25 be snap close mutually, thereby, can prevent the utility model wire and cable connector 1 unexpected disengaging from the electronic installation 2, and between each shielding casing 12 and the ground plate 23 that docks electronic installation 2, set up grounded circuit.Elasticity finger 58,59 (Fig. 2 shows) resilient abutment of first and second ground connection grizzly bar 50,51 is in the outer surface (Fig. 6 shows) of ground plate 23, thereby just set up reliable electric connection between the two.Because ground plate is ground connection, shielding casing 12 is also ground connection thus, thereby do not have the electrostatic charge of accumulation on shielding casing 12, thereby can guarantee that signal is successfully by 10 transmission of second electric connector.

Included a pair of second electric connector 10 of the most preferred embodiment of above-mentioned the utility model wire and cable connector is to be arranged side by side behind the separating making, and still, described two second electric connectors 10 also can repeatedly be put up and down.In addition, but described two second electric connectors 10 integral production and offer two interfaces also, with respectively with dock electric connector and peg graft.These changes all must be considered as another embodiment of the present utility model.

As mentioned above, wire and cable connector device 100 also comprises a housing 80, and it has and prevents to conduct electricity snap close piece 40 from the effect that ground plate 23 breaks away from, and will be described in detail below.

See also shown in Figure 7, the lid 30 of the utility model wire and cable connector 1 upper and lower surperficial 341,342 after portion respectively be formed with convex area 340, and respectively be provided with groove 344 on the two lateral walls of lid 30.

See also Figure 10 to shown in Figure 13, housing 80 includes Lower Half 82 and the first half 84 and by rear wall 86 it is linked together.The first half 84 is gone up longer than Lower Half 82 at fore-and-aft direction (representing with arrow B among Figure 10 and Figure 114), thereby has only the first half 84 to have a pair of protuberance 822 that extends from its front part sides downwards.Be formed with a pair of rib 824 on the inwall 826 of each protuberance 822, it can slip into the groove 344 of corresponding lid 30.Be formed with a pair of round flange 823 on the outer wall 825 of each protuberance 822, thereby it can be connected on second arm 44 and is separated to prevent that second arm 44 from moving inward with ground plate 23.The Lower Half 82 and the first half 84 respectively are provided with concave face 828 along fore-and-aft direction on inner surface 827, it is in order to accommodate the convex area 340 of the lid 30 that slips into wherein.The Lower Half 82 and the first half 84 be each projection 829A and two back projection 829B before its concave face 828 is formed with also.Before projection 829A anterior and separate a segment distance mutually with back projection 829B at back projection 829B along fore-and-aft direction, make before the lucky convex area 340 of lid 30 can being contained in projection 829A and after between the projection 829B.Housing 80 also is formed with the finger-like grasping part 830 that extends back from rear wall 86.

See also Figure 14, Figure 15, Figure 16, shown in Figure 17, housing 80 portion and it after the wire and cable connector 1 is combined, and the rib 824 of its protuberance 822 is incorporated into the groove 344 of lid 30.Housing 80 can move between enable possition (Figure 14, Figure 15 consult) and make position (Figure 16, Figure 17 consult).In the enable possition, housing 80 projection 829A and afterwards between the projection 829B before the convex area 340 of portion and lid 30 is contained in after wire and cable connector 1.In the enable possition, the round flange 823 of housing 80 does not contact with second arm 44 of conduction snap close piece 40 and second arm 44 will inwardly be pushed by external force.In the enable possition, wire and cable connector 1 can combine with first electric connector 22 of electronic installation 2 and second arm 44 is incorporated into ground plate 23.When by promoting finger-like grasping part 830 housing 80 being advanced (Figure 16, Figure 17 consult) along fore-and-aft direction to wire and cable connector 1, back projection 829B is adjacent through convex area 340 surface after adjacent while rear wall 86 of the front surface of back projection 829B and convex area 340 and lid 30 of lid 30.Contained second arm 44 of the round flange 823 of protuberance 822 and corresponding snap close piece 40 is adjacent.As a result, even second arm 44 can not break away from from ground plate 23 under vibration condition yet.Thereby wire and cable connector 1 firmly is connected in first electric connector 22 and the ground plate 23 of electronic installation 2.

Claims (8)

1. the wire and cable connector device with improvement snap close piece is used for being connected with butt joint electric connector on the ground plate that is installed on an electronic installation, and this wire and cable connector comprises: the insulating body of at least one electric connector; Some terminals that are contained in the insulating body; The cable that combines with insulating body, it comprises the some leads that combine with terminal in the insulating body; Wrap up the lid of described insulating body and cable, its insulating body is easy to and docks electric connector and combine; It is characterized in that: it also comprises at least one conduction snap close piece that is installed on the relative both sides of lid, second arm that this conduction snap close piece has the first arm that is immobilizated on the lid and stretches out from lid, it comprises and is used for the end that is connected with the ground plate snap close of described electronic installation; And can be by being slidingly mounted on the housing of lid, it includes the Lower Half and the first half, the first half is longer than Lower Half on fore-and-aft direction, have only the first half to have a pair of protuberance that is positioned at its both sides, housing is by being slidingly mounted on when the enable possition, protuberance is away from snap close piece, and when make position, protuberance stops that snap close piece moves inward.

2. the wire and cable connector device with improvement snap close piece according to claim 1 is characterized in that: described protuberance is to be positioned at the both sides of casing upper half and to extend downwards from its both sides.

3. the wire and cable connector device with improvement snap close piece according to claim 2, it is characterized in that: be formed with a rib on the inwall of described protuberance at least, respectively be provided with groove on the two lateral walls of lid, at least one rib can slip into the groove of corresponding lid.

4. the wire and cable connector device with improvement snap close piece according to claim 3, it is characterized in that: be formed with a round flange on the outer wall of described each protuberance of housing at least, when housing was positioned at make position, it can be connected on second arm.

5. the wire and cable connector device with improvement snap close piece according to claim 1, it is characterized in that: have at least the inner surface of a Lower Half and the first half to be formed with at least one projection, projection can combine with lid to make housing is retained on two precalculated positions on the lid.

6. the wire and cable connector device with improvement snap close piece according to claim 1, it is characterized in that: the upper and lower surface of described lid is formed with a convex area at least, the Lower Half and the first half have at least one to be provided with concave face on its inner surface, at least be formed with a projection on its concave face, it makes convex area do limited slip along concave face in order to combine with convex area.

7. the wire and cable connector device with improvement snap close piece according to claim 1, it is characterized in that: it also comprises the conduction shielding casing of at least one wrap insulate body, and the first arm of conduction snap close piece electrically connects with the electric connection of foundation with ground plate with the conduction shielding casing.

8. the wire and cable connector device with improvement snap close piece according to claim 1, it is characterized in that: second arm is provided with a V-shape breach in order to combine with ground plate in each of its end to stile.

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