DE1515449A1 - Tool for making electrical connections - Google Patents

Description

Patent attorney

8000 MUNICH-SOLLN
. Fran « HaU street 21
Telephone 796213

AMP 1138 Munich, January 0, 1964

Br.H./D./Ke.

AMP Incorporated
Eisenhower Boulevard
Harrisburg, Pennsylvania, USA

Tool for making electrical connections

Priority: January 9, 1963 | UNITED STATES; US. Ser. Ho. 250 300

The invention relates to an apparatus for producing electrical connections between a terminal and an electrical conductor. This is done in that a channel-like clip is pressed over the terminal will. The electrical conductor is clamped between the clamp and the connection terminal.

In the German patent application TSr A * 42218 VIIId / 21o, the Applicant has described a method by means of which awieohen a "conductor and a connection plug, a connection can be made. A connector is used here »the width of which between its opposite surfaces is less than the thickness of the plug and conductor together when they are next to each other. The conductor and the connector can be slidably connected to each other

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are needed that they embrace. According to this procedure If the conductor is perpendicular to the plug at one end and the connector is pushed over the plug, in order to interact with the conductor and to push it together with the connector over the plug, in order to hold the conductor between the connector and plug and to press both against each other.

fe In one embodiment of the invention, by means of a Anvil formed guide means arranged between the plug and connector, so that the plug and the conductor are first pressed against the anvil and then slide along the guide means before being slipped over the plug will. Such a method can be used when using an insulated conductor, one of which is End when interacting with the tip of the cteckere or is freed from its insulation with the anvil. The isolation is broken through, and then the soul of the Conductor stripped from the end part of the insulation, which is at the point of perforation by the movement of the connector and the conductor towards the plug along the as an anvil trained guide means had been separated.

It is an object of the present invention to be a tool For the execution of a process «u create with which an electrical connection can be established according to the aforementioned earlier application of the Aruaelderin.

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A device for producing an electrical connection between a connector plug and an electrical one Head is characterized by the fact that a channel-like clip is pressed over the plug and so cramping the conductor between the clamp and the connector, "according to the present invention, is that for! guidance of the Clamp from a transmission part on the plug an anvil is provided, as well as a reciprocating plunger that runs along of the anvil can be moved back and forth 3: ann, so that the clamp from the transfer & steeply along the anvil up to push the connector. There are brackets on the transmission part intended for the clip at one end. The transfer part can be brought into its operating position and moved back out of it. In operating position the brackets for the clamp are aligned with the direction of movement of the plunger, so as to move the same Slide the clamp from the transfer part onto the anvil. So the brackets provided for the bracket f also move into the position in which the clip is inserted into it, as well as leave this position again. Also Means are provided in order to introduce the clip into these holding means, if these are in the intended Loading position are located, as well as to move the transmission part between the operating and rest position back and forth.

In the following the invention is illustrated by means of working examples explained. Please refer to the accompanying drawings

Referenced. In it mean * BAD

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Fig. 1 is a perspective view of a tool according to the invention with a portion of the handle housing removed so as to open the mechanism to lay bare;

Pig. Figure 2 is a side view of the front part of the Pig tool. 1 on an enlarged scale;

Pig. Figure 3 is a longitudinal section of the Pig tool. 2;

Pig. 4 is a view similar to that of Pig. 2, but with devices in one of the in Fig. 2 shown different operating position to find oneself;

Pig. 5 and Pig. 6 partially along 2 sectional views lines 5-5 and b-6 in Pig. 2;

Pig. 7 is a perspective view of a connector and a connector terminal;

Pig. δ is a perspective view showing an electrical connection between a bracket and the Connector with a conductor using the in tfit ;. 7 shows parts shown.

A hand-held plunger-shaped tool is in Pig. 1 shown. Eire double-acting assembly ^(cylinder and piston includes, 2, is mounted on the upper rear end. The cylinder is closed by the cylinder heads 4 and 6. By a valve with spulenföraigea valve body, the east in the housing mounted below the cylinder · 2 is , the cylinder pressure air is supplied to drive IUD the flask. arranged valve Iat so that air enters in its Buhelage in the front end of the cylinder "to drive so the piston rüokwärts" u. Official actuation of the pressure switch 10 toward If the position of the valve is changed and air is then supplied to the rear end of the cylinder, the piston moves is pressed in front.

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The one from Pig. 4 visible piston rod 2 goes through the front cylinder head 6 and along the frame plate 14 '' with the aid of retaining screws 16 on a lower handle 18 with the help of retaining screws 20 with the Pig. apparent blocks 22 is connected. The blocks 22 are made in one piece with the cylinder head 6. A down and a movable plunger 24 'for pressing the connecting clips to the connector is provided, has an enlarged rear end 26, which with screws an L-shaped plate 28 as seen in Figs. 1-5 that can slide along the side and top edge of the frame plate 1.4. A cylinder screw 30 extends through an opening in the lower end of the plate 28 and is screwed into a block 32, which is connected to the end of the piston rod 12. The screw 30 also penetrates an elongated shaft 35 in the frame plate 14 so that longitudinal movement, namely forwards and backwards, for the plunger and the piston rod 12 is enabled. The screw 30 also goes through an opening in the cam part 74, which in detail will be described further below. The screw nut 37 is attached to the protruding end of the screw 30 and thus connects the block 32, the plate 38 and the cam portion 74 together so that they are slidable with the plate 14 cooperate so that they move either towards the cylinder 2 or from a movement of the plunger 24 move this way. During its movement, the ram 24,

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as can be seen in Fig. 5, of a groove 34 on its Guided underside, in which a rib part runs during the movement. The rib portion 38 is on top of FIG Guard rails 36 'which are connected to the frame plate 14 with the help of Fastening means 40 are connected and set alongside the Extend the tool.

During the forward movement of the tappet 24, it slides via a cross-section i'-shaped projection 44 on the upper End of the transmission sliding body 42. In the rest position is the Transmission sliding body 42 in aer in tfig. 2 position shown, in which the connection 46 on the above Part 44 rests, which thus serves as a holding means for the clamp. In Pig. 6 the bracket is shown. Gio consists of a largely flat portion 46 and side wall 50. The long edges of the side walls are inwards towards the main part 48 bent so that the clamp can grip around a wire, and thus it in the in J? I £. 8 shown Way against a connector pin 96 can press.

An anvil 52, which is arranged in front of the transfer sliding body 42 is, is with a fastening point 49 at the left end or front end of the tool, according to Pig. I attached. The anvil 52 has a T-shaped projection 54 at its upper end, like that of Pig. 6 can be seen is, which is aligned with the plunger 24 that it will open the connector when the plunger is forward

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can receive, in such a way that the clip is spread over the protruding T-shaped part 54. The plunger 24 is designed so that it can slide over the anvil 52 and push the staple off the anvil in the longitudinal direction . The attachment piece 49 has on its side two upright parts 56 and 58, through whose parallel sides a slide provided for guidance is formed. The transmission slide body 42 is located in the slot and can slide back and forth between parallel guide surfaces. Its other position is shown in FIG. 2, its lower position in FIG. 4. The upper position shown in FIG. 2 is the operating position in which the clip can be slid off the Übertragungsgleitkörper by a forward movement of the plunger 24th the lower position shown in Pig. 4 is provided for charging staples. located · the Übertragungsgleitkörper in this position, so staples can the same for supporting provided Means 44 applied to its upper end j

For the reciprocating movement of the transmission sliding body 42 between its upper and lower position (according to Pig. 2 and 4), a lever 62 is provided which is rotatably connected to the lower end of the sliding body 42 at the point 64 and moves backwards extends. The lever 62 let between its ends at the point 66 is rotatably connected with the frame plate 14 and is biased by a spring 68 which is between the frame plate 14 and attached to the lever 62 in the clockwise direction of FIG. 1. You upper

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The contour of the lever 62 is designed so that it is old adjustable in different settings cam part 74 can cooperate, which together with the piston rod 12 and the plunger 24 is movable. The central portion of the lever 62 has downwardly directed converging cam surfaces 72 and 79 (best seen in Pig. 3), the upper back The end of the lever G2 has a raised surface or platform 70 (see Fig. 2). Now the curl part 74 is after moved forward from his in Pig. 2 in the position shown in Fig. 4, eo acts the lower side a protruding lip 73 of the cam part 74 alters the surface 72 and thus rotates the lever 62 counterclockwise and thus pushes the transmission sliding body 42 down into the pig. 4 shown for loading Position provided with brackets. The surface 70 at the rear end of the lever 72 is designed to be old the lower side of the cam part 74 cooperates at the end of the reverse process, whereby the lever 42 la is rotated clockwise and thereby the transmission sliding body 42 in the Pig. 2 brings operating position shown.

The cam part 74 abuts the underside of an indelible fitting part 75 which is fastened to one side of the frame plate 14. The PUhrungsteil 75 extends parallel and below the check part 36. The Verbindungaklameern the load on the holding part 76 at the rear 4ea VaI ¹ Ic are in strip "form for feeding a Xufuhrmagsgerät (nieat geeeigt) provided * let mounted tool. The holding part 7 * lat in turn aa

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rear upper end of the cylinder 2 attached. the Loading then takes place along a loading path en the upper surface of the guide part 75. The underside of the part 36 has a channel-like recess, like daring in the pig. 3-5 is shown in which the Clamping existing strip is guided during its forward movement.

Like that from fig. 2 and 3, a loading pinger 82 extends upward through one in the middle of the front end of part 75 located gap and is arranged so that it is between two adjacent connection clamps acts on the strip of brackets, like that in Pig. 3 is indicated. This finger 82 is at point 84 rotatably connected to a loading slide 86 which in turn, as can be seen from Hg. 3, sliding in a recess provided on the lower side of the part 75 arranged 1st. The finger 82 is biased clockwise by a torsion spring about its rear pivot point 84, so that its tip protrudes beyond the block 75 as a result of this prestressing is biased backwards, as shown in fig. 2 and 4 see below, through a tension spring 88 attached to their front end is connected to a pin 90 which is laterally connected to the sliding body 86 and through the elongated, Sohlitκ ia part 75 withstands · The tension spring 88 is on their

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back end with a fixed pin dee block 75 connected. The forward movement of the loading slide member 86 is caused by the forward pointing Surface of the cam part 74 against the rearwardly pointing surface of a depending arm 92, the part of the loading slide part 86 is, presses (Pig. 3 and 4). It can come from Pig. 3 can be seen that the loading process with ^ ■ the strip consisting of brackets during the forward movement of the finger 82 at the end of the sudden forward movement of the plunger and the cam part 74 takes place.

When the plunger 24 and the crouching part 74 are in their rearward position, as shown in FIG. 2 and 3, the loading sliding part 86 is retracted under the influence of the spring 88 and thereby the pinger 82 serving for loading is deflected back downwards "in a clockwise direction, and slides along the underside of the foremost bracket of the strip. During the backward movement of the loading slide and the loading pingere 82, it is necessary to hold the strip of clips so that it does not move back with the finger 82. A pawl? 1 shown in Figures 2 and 4 extends the length of the The strip of clamps from above and has an inwardly turned end part, the "wipe lar eraten Klamaer the clamp stripa and the next: <* x on the following clamp

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is present. The pawl 91 is "made of resilient material and attached to their rear side so that they are away from them during the advancement of the staple strip pressed by the cam action of the brackets. However, the Klamiaernstrip tries to move backwards to move, ao this pawl will engage and prevent such a backward movement. The pawl 91 has an enlarged one rear end 93, which, as shown in FIGS. 2 and 4, is fastened to block 75 with a screw, I. in such a way that this setting can be changed and thus precisely adapted.

While attaching a clip to an electrical connection, a pusher 98 is provided on the upper front side of the tool to keep the connector in appropriate alignment with the T-shaped portion 54. The pusher arm is at its rear end rotatably mounted in place between a pair of parallel arms extending forwardly toward block 102. Block 102 is fastened with screws to the laterally extending tabs 103 at the front end of guide rail 36. It has a main opening 105. As shown in FIG 104t on (Pig. 6) which allows the passage of sliding of the plunger 24th leaf spring AEIE on the upper side of the block 102 is mounted and resiliently against dl "expresses upper side of the Andrückames 98, which may issue" in this way, a spring force nech below counterclockwise according to Fig. 3t so that the front

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The end of the plug 96 is held in the recess at the front end of the anvil, as can also be seen in FIG. 3. The front end of the pressure arm 98 is forked and thus forms a pair of side by side «! Fingers 10i; which are bent at their front ends near the bottom. Between the .Fingern 108 a conical and large guide ö surface 110 is formed by the notch, which serves to supply below a transversely lying * opening 51 by a wire, which is located in the anvil before the transverse Übertragungsgleitkörper 42 *

In FIG. 6, means are inclined in order to easily clamp the end of a wire in the transverse opening 51, consisting of a plunger 112 which lies transversely in the opening 51. It has an outer flange-like end 120 and is slidably held in a slot in the fastening part 118 by means of a cover plate 119. The part 118 is attached to the left side (according to FIG. 5) of the frame plate 14 and a compression spring 116 is attached between the frame plate and the opposite side of the flaneohee 120, which thereby presses the plunger 112 outwardly out of the opening 51. The "inner" end of the plunger 112 has a flange 122 and it is easy to see that when the plunger is pushed inwards or (in Fig. 6) to the right, a wire can be inserted into the transverse opening 51, to dafl with the subsequent hachlaaeen of an externally, possibly by hand, pressure exerted on the flange 120 of the wire leicat ewisehea

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the one fork part 108 and the inner flange 122 dea Plunger 112 is pinched.

In use, the operator initially applies pressure to the ram 112 by pressing the flange 120 and inserts the end of a wire along the guide surface 112 until the end of the wire is in the transverse opening 51 of the anvil 52. The operator then lets go of the flange again, so the pressure is then removed from the flange 120 and the wire is slightly clamped in this position. Its direction is transverse to the direction of the brackets. The plant is then aligned with the stooker and pushed over the plug until the pressure arm 98 pushes the end of the plug against the shoulder or recess at the front end of the anvil. The switch 10 is then pressed down in order to move the valve spindle in the housing 8 and thus supply compressed air to the rear side of the cylinder 2. This drives the ram 24 t forwards During such a forward movement, a clamp previously inserted in a corresponding loading process at the upper end of the transmission slide body 42 (Fig. 3) is moved from the end of the transmission slide body 42 past the opening 51 over the T-shaped projection 54 the upper side of the anvil is pressed onto the plug 96. Upon completion of the abrupt advancement of the plunger 24 (Pig. 3), the clamp encloses the plug 96 and thus provides a wipe between the wire and the upper surface

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d «B connector establishes a connection, as it is in lig. 8 approved is.

If insulated wires are used, the insulation is stripped of the end part of the bulkhead automatically take place, such as which has been described in the applicant's application A 42 218 VIIId / 21c. At the end of the sudden forward movement of the plunger 24, the lower side 73 of the cam

w part 74 with the rear end of the lever 62 on the Put 72 together. As a result, the lever 62 is rotated counterclockwise and the upper end of the transmission slider comes out of its pig. 3 rest position shown in the position provided for loading with clamps after rig. 4 brought, in which the T-shaped projection 44 on the upper End of the sliding body 42 with the clip strip in the operating position according to fig. 4 is aligned. At the end of the forward movement of the tappet 24, the surface 94 of the cam

. telles 74 together with the depending arm 92 of the loading device 86 and thereby the next clamp lying in the clamp strip 78 is placed on the clamp for receiving the clamps provided projection 44 of the transfer sliding part 42 is attached.

When the switch 10 is released, the valve spindle in the housing θ is reset and thus compressed air into the front one End of cylinder 2 inserted. As a result, the piston i »cylinder 2 is moved back. During this reverse movement, similar to the sole, the ram 24 is pulled backwards. Against the brew

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Backward movement acts on the lower side of the cam part 74 cooperates with the upper surface or platform 70 at the rear of the lever 62. This turns the lever clockwise rotated and lifts the transmission slider 42 in its original position according to Pig. 2. While waiting Movement of the transmission slider 42 is the on the Holding run of the brackets provided means 44 first

The clip lying next to it is separated from the clip lying next behind it in the clip strip with the aid of a separating part a 124. The separation part 124 is a part of the plate 58 and has a cutting edge at the side which is adjacent to the Überaragungsgleitkörper 42 (I ¹ Ig. 3) on.

the

The tool is now back in position according to Pig. 3, in which a clip lies on the upper end 44 of the transmission slide body 42 in the path of the plunger 24. The next operational step is the actuation of the switch 10, which causes the plunger 24 to move forward. As a result, the clip is pushed down by the projection 44 on the sliding body 42 that holds it. It then moves over the anvil onto the plug. At the same time, a new loading process of the Beschiokungsgleitkörpers begins with the next clamp of the strip containing the clamps in the manner described.

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Claims ι

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Claims (1)

AMP 1138 - 16 - Claim 1. Tool for making an electrical connection between a plug and an electrical conductor duroh pressing a channel-like clip on the Plug to make the electrical conductor between clamp and To clamp the connector, characterized in that an anvil (52) for guiding the clamp from a transmission body (42) is provided on the plug, and a reciprocating plunger (24) which is moved over the anvil (52) to move the staple from the transfer body (42) along the anvil (52) towards the plug slide, and in that the transmission body (42) has at one end means for receiving clips (44) and is movably arranged so that it is brought into an operating position (Fig. 3) and moved out of this again can be, in which the means for receiving the clips (44) are aligned with the direction of movement of the plunger (24), so that the plunger (24) as it moves down the clamp rom the transmission body (42) and then onto the anvil (52) pushes out, as well as by the fact that the transfer body (42) is provided for loading with clamps in an operating position (flg. 4) brewed, as well as from di «s« r vi «r can be moved out, and means (82) provided to to feed the means (44) provided for receiving the clamps, if the transfer mechanism (42) - 17 - 909850/1080 AMF 1138 - 17 - In the operating position seen for this purpose, as well as further means (62, 74), including the transmission body (42) in . bring the operating position (Tig. 3) su and move it out of this again. 2. Tool according to claim 1, characterized in that d * 3 the means (62) for moving the transfer body back and forth between the operating position and that for loading old hammering gate-seen positions are arranged so that they in the gatekeeper movement of the plunger (24) over the transmission body (42) the same τοη the operating in Shift the position seen for loading the old Haaaern gate and move over it when the ram (24) moves backwards move the transmission body (42) back into the operating position, 3 · Tool according to Claim 2, characterized in that the « Means for moving the transmission body (42) from a Lever (62) exist, which by old de «plunger (24) together * movable Binstellalttel (74) can be determined in two Terschieienen positions, at * in a certain Stellmmg is Torwftrtsbewegaag the setting means and la one eat gegengesetstea! division at Klekvlrtsbeveguag same. 4 * Verkäs «« aas * Amapruek 1 * 3 »lasamia marked, dal« 1 · wm »esialifc — t des Vsrkseuges old hair from buckets Mpfai mw IufeF «ag elms« «mature * <7β) τοη Hammera la ils . _n . ■ . BATH ORIGINAL 909850 / 10Ö0 AHP 1138 - 18 - The position provided for loading exists »as well as loading means (82), including the strip when the goalkeeper moves the plunger (24) over the transfer body (42) to move along the guide path to such a duration of the strip (76) onto the means (44) of the transmission body (42) provided for receiving τοπ brackets. fc 5. Tool according to claim 4, characterized in that the Feed side (82) from the setting means (74) "ai" "i ■ Move the plunger (24) and actuate it. 6. Tool according to claim 3-5 »characterized in that the bit the plunger (24) movable setting means (74) so are arranged that they are upon forward movement of the plunger first cause a movement of the lever (62), which brings the transmission body (42) into the position provided for receiving clamps and then the Besohiokungsaltii. (82, 92) "causes the E.aa * ern to take a step forward. 909850/1080