CN2587086Y

CN2587086Y - Electric coupler

Info

Publication number: CN2587086Y
Application number: CN02287848U
Authority: CN
Inventors: 杰利·吴
Original assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2002-09-16
Filing date: 2002-11-26
Publication date: 2003-11-19
Anticipated expiration: 2012-11-26
Also published as: TW549711U

Abstract

The utility model discloses an electric connector which can be butted with a butting connector. The utility model comprises a casing, a terminal inserting piece, a draw rod, and a pair of fastening device, wherein, the casing comprises a lower casing, an upper casing assembled on the lower casing, a butting frame positioned at the front end of the casing, and a concave opening formed at the back end of the casing; the terminal inserting piece is contained in the butting frame, and a plurality of conductive terminals are contained on the terminal inserting piece; the draw rod is assembled on the casing and comprises an operating part and a fastening release part, wherein, the operating part is forwards extended with an operating board, and the operating board is contained in the concave opening at the back end of the casing; the fastening device is matched with the draw rod so as to be connected with the butting connector. When the electric connector is butted with the butting connector, the operating part of the draw rod is butted on one surface of the casing; when the draw rod is backwards drawn along the lengthways direction of the electric connector by the operating part, the fastening release part prompts the fastening device to deform at the transverse direction so as to disengage from a hook part of the butting connector, and thereby, the electric connector is separated from the butting connector.

Description

Electric connector

[technical field]

The utility model is relevant a kind of electric connector, refers in particular to a kind of the have locker that this electric connector and butt connector are engaged or separate and the electric connector of pull bar.

[background technology]

United States Patent (USP) the 5th, 564, disclosed a kind of electric connector No. 939, it includes a pair of snap close shell fragment 22,22A and the executive component 23 that is retained on body 21 relative both sides respectively, has a pair of snap close release cam 23-4 that is positioned at the 22-4 of the wedge angle portion below of snap close shell fragment 22,22A on the executive component 23.When operating personnel pull back pull bar 23-8 on the executive component 23, the cam 23-4 of snap close release portion will apply an outside active force and U-shaped hook portion 22-1 is broken away from butt connector the 22-4 of wedge angle portion.Because of executive component 23 is positioned at the outside of body 21, is subjected to the effect of external force easily and damages.In addition, when two or more electric connectors fit together, be unfavorable for saving the space of electronic installation.

Therefore, be necessary to provide a kind of pull bar can not increase electric connector entire length and non-damageable electric connector.

[summary of the invention]

The purpose of this utility model is to provide a kind of electric connector with locker and pull bar, this electric connector can be by locker and pull bar with the butt connector butt joint or separate, wherein pull bar can not increase the length of electric connector, and is not vulnerable to the damage of external force.

For achieving the above object, the utility model adopts following technical scheme: the utility model electric connector includes housing, terminal plug-in unit, pull bar and pair of catches device.Its middle shell includes lower house, be assembled in the upper shell on the lower house, be positioned at the interface frame, mating frame of housing front end and be formed at the recess of housing rear end, the terminal plug-in unit is contained in the interface frame, mating frame, contain plurality of conductive terminals on this terminal plug-in unit, pull bar is assembled on the housing, this pull bar includes operating portion and is positioned at its terminal snap close release portion, operating portion is extended with an operation panel forward, this operation panel is contained in the recess of housing rear end, locker matches with pull bar to be engaged in butt connector, when electric connector docks with butt connector, the operating portion of pull bar is connected on the wherein surface of housing, when by operating portion when the longitudinally of electric connector pulls back pull bar, snap close release portion impels locker to be out of shape in a lateral direction breaking away from the hook portion in butt connector, thereby electric connector is separated with butt connector.

Compared to prior art, the utility model electric connector is contained in the recess of housing rear end by the operation panel of pull bar operating portion, can reduce the length of electric connector and can prevent that operating portion is damaged.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector.

Fig. 2 is the stereo amplification figure of lower house shown in Figure 1.

Fig. 3 is the stereo amplification figure at another visual angle of lower house shown in Figure 1.

Fig. 4 is the stereo amplification figure of upper shell shown in Figure 1.

Fig. 5 is the stereo amplification figure of locker shown in Figure 1 and pull bar.

Fig. 6 is the assembly drawing of electric connector shown in Figure 1 and cable terminations.

Vertical view when Fig. 7 is in the snap close state for electric connector shown in Figure 6 removes upper shell and cable terminations and locker;

Fig. 8 is similar in appearance to Fig. 7, and locker wherein is in release condition.

[embodiment]

Please refer to shown in Figure 1ly, the utility model electric connector 1 includes housing, terminal plug-in unit 60, pair of catches device 70 and pull bar 80, and its middle shell includes lower house 10 and is assembled in upper shell 20 on the lower house 10.

Please refer to Fig. 2 and shown in Figure 3, lower house 10 and upper shell 20 are formed by metal material (as aluminium alloy) casting, wherein lower house 10 comprises a substrate 11 and a pair of from the upwardly extending sidewall 12 in substrate 11 relative both sides, be formed with elongated passageway 121 from lower house 10 rear ends 14 to its front end 15 that extend and run through mating surface 16 from each sidewall 12, this passage 121 is divided into outer wall 122 and inwall 123 with sidewall 12.Be formed with a declining lug 120 on the outer surface of each outer wall 122, each inwall 123 is formed with a higher shoulder 124 near front end 15 places of lower house 10, and the rear end of each shoulder 124 is formed with a vertical slit 125.Each outer wall 123 is formed with a breach 1211 near front end 15 places of lower house 10.The inboard of the shoulder 124 of two inwalls 123 is formed with a pair of block 126, and each block 126 is provided with a stage portion 1261.Substrate 11 is provided with a pair of groove 111, and each groove 111 is between the shoulder 124 and corresponding breach 1211 of respective inner walls 123.Front end 15 places of lower house 10 have an interface frame, mating frame 13, and it has an opening 133 through front end 15.Both sides, top along interface frame, mating frame 13 are outward extended with pair of engaging portion 131, are formed with pair of engaging space 132 between junction surface 131 and the substrate 11.Lateral surface from shoulder 124 has outwards protruded out a pair of projection 130 near interface frame, mating frame 13 places.14 places, rear end of lower house 10 are formed with first opening 17 of a semicircular in shape, mating surface 16 from first opening, 17 both sides has extended upward pair of columns 18, each cylinder 18 is provided with a screwed hole 181, and has four fins 182 on the outer surface of each cylinder 18.The basal surface of lower house 10 is formed with a recess 19 (shown in Figure 3) near 14 places, rear end.

Please refer to shown in Figure 4, upper shell 20 comprises upper substrate 21 and a pair of upper side wall 22 that extends from upper substrate 21 relative both sides downwards, each upper side wall 22 be provided with one with the respective channel 121 corresponding upper channels 221 of lower house 10, this upper channel 221 with upper side wall 22 be divided into outer wall 222 and on inwall 223.Be formed with on the outer surface of outer wall 222 on each one with the corresponding declining lug 120 corresponding projections 220 that tilt of lower house 10, upper shell 20 is extended with a pair of block 211 of going up downwards, this is corresponding with the block 126 of lower house 10 to last block 211.Have the last breach 2221 of a pair of breach 1211 corresponding to lower house 10 on the upper shell 20, this inboard to last breach 2221 has a pair of upper groove 212, and this is corresponding with the groove 111 of lower house 10 to upper groove 212.Relative both sides from the front end of upper shell 20 are extended with a pair of convex extension part 23 forward.The rear end 24 of upper substrate 21 has second opening 27 of a semicircular in shape, and this second opening 27 is corresponding to first opening 17 of lower house 10.The both sides of second opening 27 have a pair of through hole 28, and the external diameter of the diameter of each through hole 28 and cylinder 18 about equally.

Please refer to shown in Figure 5ly, each locker 70 is stamped to form by a sheet metal, and it includes main part 71, be formed at the U-shaped hook portion 72 of main part 71 rear ends, be formed at the L shaped hook portion 73 of main part 71 front ends.Wherein have a lengthwise otch 74 along the fore-and-aft direction extension on the main part 71, and main part 71 includes front portion 711, pars intermedia 712 reaches the front portion 713 of extending and be parallel to afterbody 711 from pars intermedia 712 forward.Pars intermedia 712 comprises top rake portion 714, rear-inclined portion 715 and the connecting portion 716 between top rake portion 714 and rear-inclined portion 715.

Pull bar 80 includes operating portion 81, a pair of support arm 82 and a pair of snap close release portion 83 that is formed at two support arms, 82 front ends respectively of extending forward from operating portion 81 opposite ends.Operating portion 81 includes one and extends forward and corresponding to the operation panel 84 of recess 19, form some steps 840 on this operation panel 84.Each snap close release portion 83 has upper and lower tail end 832,833 and reaches from the outward extending protuberance 831 of these snap close release portion 83 outer surfaces.

Please refer to shown in Figure 1ly again, terminal plug-in unit 60 includes insulator 61, the hyoplastron 62 that extends forward from insulator 61, the circuit board 63 that is assembled in insulator 61 rear ends.Have plurality of terminals passage 65 on the upper and lower surface of hyoplastron 62, plurality of conductive terminals 64 is contained in these terminal channels 65 and runs through insulator 61 to electrically connect with circuit board 63.

Extremely shown in Figure 7 with reference to Fig. 5, and in conjunction with Fig. 1, Fig. 2, during assembling, terminal plug-in unit 60 is assembled on the lower house 10, its hyoplastron 62 is contained in the opening 133 of interface frame, mating frame 13, and circuit board 63 is contained between the two side 12 of lower house 10 and is positioned on the stage portion 1261 of block 126.Two lockers 70 are assembled in respectively on the pull bar 80, and the protuberance 831 of pull bar 80 extends in the otch 74 from the inner surface of locker 70, and snap close release portion 83 is connected to the inner surface of locker 70.Snap close release portion 83 is positioned at anterior 713 inboard protuberances 831 and then embeds otch 74 front portions.Locker 70 is assembled on the lower house 10 with pull bar 80 again, makes the support arm 82 of pull bar 80 be positioned at passage 121, operation panel 84 is contained in the recess 19, and makes operating portion 81 be connected to the tail end 14 of lower house 10.U-shaped hook portion 72 is contained in the vertical slit 125 and with the tail end of shoulder 124 and engages, so that locker 70 is fixed on the lower house 10, in 63 gaps 723 between upper and lower U-shaped hook portion 721,722 of circuit board.The following tail end 833 of snap close release portion 83 is positioned at groove 111 and protuberance 831 extends to breach 1211; L shaped hook portion 73 extends in the engaging space 132 with snap close in butt connector (not shown).Then upper shell 20 is assembled on the lower house 10, convex extension part 23 is placed the below at junction surface 131,131 rear ends that are rotated down upper shell 20 are connected to the mating surface 16 of lower house 10 until the lower surface of upper shell 20 around the junction surface.The top of support arm 82 is contained in the upper channel 221, and the last tail end 832 of snap close release portion 83 is contained in the upper groove 212 of upper shell 20.Last block 211 is connected to the upper surface of circuit board 63, so that circuit board 63 is fixed on the stage portion 1261 of block 126.Cylinder 18 is contained in the through hole 28, and its four fins 182 match with the inner surface of through hole 28.First,

second opening

17,27 is formed with a cable jointly and accommodates opening, to accommodate cable terminations (shown in Figure 6).At last, be assembled in the screwed hole 181 and upper shell 10 is retained on lower house 20 by pair of screws (not shown), to form the utility model electric connector 1.

Please refer to shown in Fig. 7,8, when electric connector 1 docked with butt connector, projection 130 was connected to anterior 713 inner surface, and L shaped hook portion 73 engages with the corresponding hook portion (not shown) of butt connector.When needs discharge electric connector 1 with butt connector, pull back the operating portion 81 of pull bar 80 along longitudinal direction, the upper and lower tail end 832,833 of snap close release portion 83 slides in groove 111,212 respectively, 831 of protuberances slide in otch 74, and projection 130 separates on anterior 713 inner surface.When snap close release portion 83 is connected to the inner surface of top rake portion 714, will on the inner surface of top rake portion 714, produce an outside active force, locker 70 produces strains and anterior 713 to extrapolation, thereby L shaped hook portion 73 is broken away from butt connector.When snap close release portion 83 slides on the connecting portion 716, connecting portion 716 will produce an inside active force to snap close release portion 83, the direction of this active force and electric connector 1 to dock direction vertical.Pull back declining lug 120,220 again, electric connector 1 is separated with butt connector.

Claims

1. electric connector, it can be used for connecting with butt connector, this electric connector includes: housing, terminal plug-in unit, pull bar and pair of catches device, its middle shell includes lower house, be assembled in the upper shell on the lower house and be positioned at the interface frame, mating frame of housing front end, the terminal plug-in unit is assembled in the interface frame, mating frame, contain plurality of conductive terminals in this terminal plug-in unit, pull bar is assembled on the housing, this pull bar one end has operating portion, its other end has snap close release portion, and locker cooperates with pull bar to be engaged in the hook portion of butt connector; It is characterized in that: the operating portion of pull bar is extended with an operation panel forward, the rear end of housing has the recess of accommodating this operation panel, when electric connector docks with butt connector, the operating portion of pull bar is connected to a wherein surface of housing, when when longitudinally pulls back pull bar, snap close release portion will impel locker to be out of shape in a lateral direction breaking away from the hook portion in butt connector, thereby electric connector is separated with butt connector.

2. electric connector as claimed in claim 1 is characterized in that: have some steps that are used to increase friction on the operation panel, with handled easily.

3. electric connector as claimed in claim 1 is characterized in that: the relative both sides of housing have pair of channels, and the opposite end of pull bar operating portion is extended with pair of support arms forward, and this is housed in the described passage support arm.

4. electric connector as claimed in claim 1 is characterized in that: the housing both sides have the projection of a pair of contiguous interface frame, mating frame.

5. electric connector as claimed in claim 4 is characterized in that: when electric connector docked with butt connector, described projection was connected to locker, and when pulling back pull bar, described projection separates with locker.

6. electric connector as claimed in claim 1 is characterized in that: each locker includes first hook portion that is engaged in lower house, be used for second hook portion that engages with the hook portion of butt connector and between first and second hook portion and be engaged in the rake of pull bar snap close release portion.

7. electric connector as claimed in claim 6, it is characterized in that: have a kerf on the rake of each locker, outwards protruded out a protuberance on the outer surface of corresponding snap close release portion, this protuberance stretches out from the inner surface of locker rake and enters in the otch, and snap close release portion is connected to the inner surface of locker.

8. electric connector as claimed in claim 7 is characterized in that: snap close release portion includes upper and lower tail end, has the groove that contains these tail ends on the upper and lower casing respectively, and when pulling back pull bar, these tail ends slide in groove backward.

9. electric connector as claimed in claim 1 is characterized in that: have declining lug on the outer surface of housing, to increase friction, handled easily.