CN85103583B - Cassette printed circuit plug-in unit - Google Patents

Abstract

The present invention relates to a box type electronic printing line plug-in unit with a front cover and a screwed connection part which can be used for connecting with conducting wires and can be operated in front. A conducting wire connecting guide hole of the screwed connection part is extended to a long public passage with an opened front side, a cover is composed of a marking board and covers the long public passage and the screwed connection part, and the screwed connection part can be used as a socket and can contact a printed circuit board arranged in a printed circuit plug-in unit. A hinge is arranged on the socket, the hinge is matched with a socket board strip, and the socket board strip is electrically and mechanically connected with a printed circuit board.

Description

Cassette printed circuit plug-in unit

The invention relates to boxlike electronic printing circuit card, it has protecgulum and uses for lead, the manipulable screw coupling part in the front side, and wherein the connection lead bullport of screw coupling part stretches and enters the long public passage that can open in the front side.

The standarized component of such class is known in German prospectus (DE-OS2904012).Machinery cover to front protrusion is installed on the standarized component support securely, and its front side is provided with the hole that pushes plate.Front left side side at cover is provided with a contiguous block, and it comprises the multipole contact strip with screw coupling part, to receive outer lead.Each screw coupling part all have one with cover inwall relative contact, they after pushing plug-in unit and the contact of plate side arrangement contact and be connected.Plate and lid are fixedly linked.Lid does not cover lead channels.

Above-mentioned device will improve like this.Be retained in the convenient possibility that connects in front side, promptly provide enough spaces to go to mark outside the purposes of writing unit of printed, the flat side that can also directly utilize plug-in unit up and down, be emitted on to conserve space on the bracing frame with outside keeping the convenient possibility that is connected of carrying out with the form of socket connection, under situation about significantly not spending, guarantee reliable and socket connection accurately.Above task can realize by following measure, front side at unit of printed is provided with public passage, lid is as marking-up plate, and cover long public passage and screw coupling part, the screw coupling part can contact with a printed circuit board (PCB) that is provided with in unit of printed as socket, one is connected with machinery electric with printed substrate with socket lath that socket matches, and the socket lath is provided with the swing hinge that uses for socket.

In known device (US-PS3992654), the pressure that can swing socket is by chamber body frame supported, printed panel is individually fixed in the body of chamber in other words, and swinging axle motion relatively, and in theme of the present invention, by swinging axle is placed on the printed circuit board (PCB), in fact got rid of the relative motion that printed board and socket are undertaken by the third party.When long public passage was arranged on the socket side, the sidewall relative with the screw coupling part of public passage structurally was removable, replaced pre-card off-position and put, and proved that advantage is a lot, and the advantage that can contact the lead of packing into is so arbitrarily still keeping.In prior art, in United States Patent (USP) (US-PS3992654), an independent lid must be extractd, because the fixed angle of lid has influenced any contact screw coupling part.In order more easily to pack into and to extract control unit out, advantageous further configuration is, on the limit relative of control unit, be provided with laying hinge one irremovable in coaxial direction, can be screwed into the fixed screw of socket lath inner bolt hole.A kind of method that is marked on the marking-up plate of laying light-emitting diode preferably is, long public passage is clipped between the light-emitting diode of a side that screw connects and next door placing, and in the time of so in working order, marking-up plate is placed directly in the light-emitting diode side.Because light-emitting diode should be placed on and the essentially identical height in screw coupling part, and printed substrate is at least from the screw coupling part, advantageous arrangement is, light-emitting diode is placed in one and printed substrate in electric and mechanically interconnective retainer.In order to make light-emitting diode in a procedure, be installed on the printed substrate together, following method is advantageous, the connection lead-in wire that is placed on the tube connector that keeps the light-emitting diode in the tank inserts from the printed substrate component side and is electrically connected in the hole, meanwhile the pin that can split off on the retainer inserts in the mechanical connecting hole, after in a tin pot, welding, 90 ° of retainer upsets fracture the pin of retainer, by grab retainer are stuck on the side of printed substrate.In order to determine reliably, do not have under the alive state at the printed wire standard component, establish whole and inspection by the professional, following configuration is advantageous, after pulling out socket, can see the back of socket, the module that can touch from the front side is to place safeties and/or adjustment work and test specification in the past.In order the outer load that can take down on the module for example to be taken out from the safeties that printed substrate is changed, advantageous configuration is that module is got in touch and subdued to link stopper with dovetail groove and socket lath by their sidewall.

To be described by accompanying drawing according to embodiments of the invention, and and then be explained its function.

Fig. 1 illustrates the end view of two unit of printed, and part is a cutaway view;

Fig. 2 is illustrated in the state of clamp bar when pulling out the clamp bar, and part is a cutaway view.

Fig. 3 illustrates the state of device when the clamp bar pushes of Fig. 2;

Fig. 4 illustrates the position of the device half-twist of Fig. 3;

Fig. 5 illustrates the vertical view of the marking-up plate that links to each other with unit of printed;

Fig. 6 illustrates the stereogram of other unit of printed;

Fig. 7 is illustrated in the part drawing of coupling part between socket lath and the printed panel, and the module and the light-emitting diode indicating device that insert.

Can find out significantly that from the unit of printed shown in Fig. 1 (1) and (2) printed circuit card (1) is provided with screw coupling part 3, it is with socket 4 integrators and utilize jump ring 5 to divide with Plug Division on printed substrate 6 to contact.On printed circuit board (PCB) 6, fixing electronic component 7.Printed substrate 6 is fixed in the unit of printed in common mode, and in a circuit board side relative with the front side another socket is being set equally, with the interconnector of realizing that each printed circuit card is mutual.Adjacent with screw coupling part 3 is a public passage 8, and lead 9 can be introduced by passage, and the end 10 of lead is removed insulation and pushed and connect lead bullport 11, is clipped on the screw coupling part.Being limited by wall 12 of public passage 8 from screw connecting portion phase-splitting distally.Light-emitting diode 13 is being set behind wall, is doing wiring accordingly, making it can indicate the unit of printed on off state, be used as indicator light and use.Light-emitting diode can be assembled jointly with printed substrate 6, and be routed on the printed substrate, become the unit that to place, light-emitting diode 13 can lean against external wall 14 places, unit of printed box-like chamber and placing like this, unit of printed 1 is covered by a marking-up plate 15, marking-up plate 15 is stacked by two plates 17 and 18 usefulness film hinges 16 and constitutes, and the box-like chamber body by clamping and printed circuit card is got in touch, whole marking-up plate 15 can be used as a swing door, this door has two film hinges, and one in order to open, and puts into the board that writes, another is used to raise folded part, to touch vertical cable.Whole marking-up plate 15 can be taken away when changing plug-in unit, and available marking-up plate left side bar leans against on the new plug-in unit and snaps in again.Can avoid like this writing label again, after closing, door and front socket fix.If desired, word can write on the inboard of marking-up plate.

As shown in Figure 5, on plate 17 and 18, be equipped with through hole 19, can see light-emitting diode 13, and then provide a marking-up page or leaf district 20 between plate 17 and 18, sandwiching a marking-up page or leaf 21 by through hole.This marking-up page or leaf district is formed by the seam on the plate 18 22.Plate 18 also can be transparent, but the writing transmitting plate 18 on the marking-up page or leaf is seen like this.It is advantageous being provided with 22, need not just can write with personal letter from the outside from outside open plate 18.Unit of printed 2 does not comprise screw coupling part 3, and only is electrically connected by predesignating internal wiring, and the through hole 19 that uses for light-emitting diode need not be set on marking-up plate 15 like this, and marking-up page or leaf district also need not be provided.

Connect wire guides 11 in order easily end 10 to be inserted, socket 4 is pulled among Fig. 1 with the drawn position of dot-dash at an easy rate and temporarily is parked on this position, can utilize the handle 23(that links to each other with socket 4 in narrow side here shown in Fig. 2 and 3).As socket is back in the position as shown in Fig. 3 from the prewiring position as shown in Fig. 2, at this moment only need to press card to stop bar 24 along arrow 25 directions, card stops sheet 26 and is lifted, and with handle 23 socket 4 is inwardly pushed away, and contact spring 5 is contacted with the printed substrate coupling part.Card stop bar 24 can and card to stop part 27 integrally formed, card stops part 27 and stops link 30 by card and be stuck on the bar type guiding piece 29, card is stopped coupling part 30 lifts by going card to stop protruding 28.Bar type guiding piece 29 can be placed on the unit of printed two narrow sides 31, and is furnished with inner bolt hole 32, and the fixed screw 33 of marking-up plate 15 screws in this inner bolt hole.Consider the shielding purpose, also can use metal guide rod, for example on the bar shaped contact spring of riveting on the guide rod, be provided with the PL screen of ground connection.Guide rod can be used to fixedly front socket when the removal plug-in unit, does not cause front socket to hang over the bottom of cable like this.Like this when arranging whole 34 reason bar type guiding pieces and cable and determining their position, but can realize by the link stopper 33a that raises the side clamping.

In the embodiment of Fig. 6 and Fig. 7, be provided with a socket lath 35 with socket 4 relative printed circuit board (PCB) 6 sides, it and printed substrate 6(are as shown in Figure 7) fix by screw 36, the intercell connector 37 that current path must be electrically connected on these socket lath 35 supports and the printed panel 6 becomes cutter type contact pin 38 after its profile.Contact spring 5 actings in conjunction in cutter type contact pin 38 and the socket 4 form the insertion state of socket.The screw coupling part 3 of contact spring 5 and socket 4 links to each other, and preferably makes with a punching press flexure strip.In the embodiment of Fig. 6 and Fig. 7, socket 4 is provided with swing hinge 39, and the bearing of hinge is contained on the socket lath 35.Socket 4 links by interlock and socket lath 35 in simple mode, has formed swing hinge like this, and socket 4 can be in the direction swing of arrow.Because bearing is arranged on the socket lath 35, in fact printed substrate does not bear mechanical force, and the printed panel upper conductor that can avoid like this causing therefrom fractures.Be connected lead bullport 11 in order in simple mode the lead 9 that has end 10 to be put in embodiment 6 and 7, sidewall 41 can unload from the socket that can swing.Sidewall 41 is to insert in the groove 42 of chamber body of socket 4 and by means of block tongue 43 to be stuck on this position.Different with embodiment at Fig. 1 to Fig. 4, can abandon pre-card position at this.Like this, in the embodiment of Fig. 6 and Fig. 7, screw coupling part 3 and light-emitting diode 13 can be placed on a side of public passage 8 jointly, and this can directly lay light-emitting diode on side, screw coupling part.When opening marking-up plate 15, its inboard also can be used to write.In this embodiment, marking-up plate is swung with hinge, remains on the unit of printed, and socket 4 is when showing state, and marking-up plate is raised, and exposes the screw coupling part.Module 45 can link to each other with socket lath 35 in this manner by dovetail groove 44, when raising socket 4, can get at it from the front side of unit of printed 1.In this case, for example placing fuse 46, they can be changed from anterior locations.If do not put safeties module 45, can put into adjustment, check and approve work or test the module of usefulness.As shown in Figure 7, win the space in order to give the socket connection between socket and the socket lath, and consider laying of printed substrate to make it can be in the roll welding pot when welding dipping, lay the processing light-emitting diode.In order to carry out electric and mechanical fixed in simple mode, light-emitting diode is housed in the retainer 47, places light-emitting diode 13 external wires 49 in the groove 48 of retainer.Insert in printed substrate 6 respective connecting 50 end that connects lead 49.Retainer has broken pin 51, and it also puts into printed board 6 corresponding grooves, is not electrically connected but not produce, and the position with dashed lines of retainer draws in Fig. 7.Because light-emitting diode lies on its side at another of printed board 6, printed board is zinc-plated has not just had difficulty, has so just finished the connection of connection lead 49.The pin 51 that fractures is subsequently removed the use location of putting upside down to light-emitting diode; Lead 49 can slide in the respective clearance in retainer.Retainer rotates around printed board, and is fixed on printed board 6 limits with card nose 52, and this as can be seen from Figure 7.Cutter type contact pin 38, module 45, retainer 47, the first half of light-emitting diode itself and printed panel is all used and is covered 53 and cover, all the other are positions of socket 4, and being provided with one on swing hinge 39 limits mutually far away can rotate, but the screw 54 that can not move in coaxial direction, reach corresponding inner bolt hole in socket lath 35, with swing and back-out socket.

Claims (8)

1, boxlike electronic printing circuit card (1), has protecgulum (15) and lead (9) uses for being connected, manipulable in front screw coupling part (3), wherein the connection lead bullport (11) of screw coupling part (3) extends into the long public passage of opening in the front side (8), it is characterized in that: long public passage (8) is set in the front side of printed circuit card (1), lid constitutes as marking-up plate (15), and cover long public passage (8) and screw coupling part (3), screw coupling part (3) can contact with a printed circuit board (PCB) (6) that is provided with in unit of printed (1) as socket (4), socket lath (35) that matches with socket (4) and printed substrate (6) are electric and mechanically interconnect, and socket lath (35) is provided with the swing hinge (39) for socket (4) use.

2, according to the printed circuit card of claim 1, it is characterized in that: on socket (4) side long public passage (8) is set, its sidewall (41) relative with screw coupling part (3) is the structure that can pull down.

3, according to the printed circuit card of claim 1, it is characterized in that: long public passage (8) is clipped between screw coupling part (3) and the light-emitting diode (13), and marking-up plate in the time of in working order (15) is other by being placed on light-emitting diode (13).

4, according to the printed circuit card of claim 1, it is characterized in that: light-emitting diode (13) is placed in printed substrate and carries out in the retainer (47) of electric and mechanical connection.

5, according to any printed circuit card in the claim 1 to 4, it is characterized in that: after pulling out socket (4), can from see previously in the socket back, the module 45 in order to place safeties and/or adjustment test job scope that can touch from the front side is to be fixed on the unit of printed (1,2).

6, according to the unit of printed of claim 5, it is characterized in that: module (45) is got in touch with dovetail groove (44) and socket lath (35) by their sidewall.

7, according to the unit of printed of claim 1, it is characterized in that: socket (4) settle hinge (39) side limit mutually far away be provided with one irremovable in coaxial direction, can be screwed into the rotation fixed screw (54) of the inner bolt hole (55) of socket lath (35) lining.

8, according to the printed circuit card of claim 4, it is characterized in that, the connection of light-emitting diode (13) lead-in wire (49) is introduced in the groove (48) of retainer (47) and is electrically connected in the hole (50) in electronic component one side of printed substrate (6), and the broken pin (51) on the retainer (47) also is inserted in the mechanical connection hole simultaneously; Turning 90 ° of said retainer is stuck on the printed substrate (6) by grab (52).

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