DE2812452A1 - RUNNER FOR DISTRIBUTORS OF COMBUSTION MACHINERY - Google Patents

Description

2312452

State of the art

Known distributor rotor for ignition distributors of internal combustion engines can be plugged onto the driver sleeve, and this functional position is ensured by a frictional connection. Therefor one mostly uses radially acting spring elements (DT-OS 17 51 875) such as polygonal snap rings or Leaf springs, each of which is mostly inserted into a longitudinal groove of the rotor. About the so-called climbing up To prevent the runner is already known (US Pat. No. 2,828,374) to arrange barbs on the leaf spring, which are located on a Claw the runner's nose.

The spring elements described above mostly suffice posed. Claims, but it has been shown in some cases that despite reinforcement of the spring elements the ascent of the runner is not avoided with certainty in all extreme load cases; climbing up of the rotor leads to misfiring and can even damage the distributor cap.

Advantages of the invention

The rotor according to the invention for ignition distributors of internal combustion engines has compared to the discussed prior art Technology has the advantage that its functional position on the driver sleeve is achieved with simple means and this position is maintained with certainty even under unfavorable operating conditions.

Advantageous further developments of the invention are set out in the subclaims described. With the design of the distributor rotor according to claim 3, a simple and reliable positive connection is created, which is in others -Areas of technology ..b_er has proven itself a million times over. Claim 4 describes a space-saving arrangement, and

909840/0117 * - 3 -

ίξ Ϊ ² ~ 2612452

the embodiment according to claim 6 enables the distributor rotor to be plugged onto the driver sleeve without tools.

drawing

The invention is explained in more detail below with reference to schematic drawings on an enlarged scale. 1 is a partial axial section of the distributor rotor with the driver sleeve and the distributor shaft according to section II in FIG. 2; and FIG. 2 is a diagonal section along section line II-II in FIG. 1.

Description of the invention

The rotor for ignition distributors in FIGS. 1 and 2 has a longitudinal section T-shaped body 10 made of insulating material and a rotor electrode H ₃ which distributes the ignition voltage to fixed electrodes (not shown). The body 10 has a sleeve-shaped shank 12 with an inserted into a dovetail groove Ik leaf spring member 13- In the illustrated operational state, the rotor is mounted on a centrifugally-actuated drive sleeve 15, the spring element 13 is a kraftSchlussige connection between the rotor and the sleeve causes, and one with a Not shown slot of the driver sleeve cooperating nose 16 of the body 10 ensures the correct assignment of the parts to be connected. The driver sleeve 15 can be pivoted through a few degrees of angle on a distributor shaft 17 by adjusting the centrifugal force.

A resilient locking mechanism 18 consists essentially of a rolled-up leaf spring 19 and a bolt 21 _S riveted into one end portion 20 thereof, the leaf spring 19 being inserted in a bore 22 of the driver sleeve 15 * and the bolt 21 protruding through an opening 23 of the driver sleeve 15 and in a through hole 24 of the

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Shaft, 12 snaps into place. In the shaft 12 is one with the bolt 21 corresponding bevel 25 cut out.

The ". Distributor runner is made in the manner of a bayonet lock; placed on the driver sleeve 15, the slope the bolt .21 presses against the force of the leaf spring 19 into the driver sleeve 15 until it finally engages in the through hole 24 of the shaft 12. This locking position corresponds to the functional position of the rotor. The locking mechanism acting like a bayonet lock / 18 forms a form fit between the runner and the driver sleeve 15; there is only one loosening of this connection possible in that the bolt 21 is pushed back until the rotor pulls away from the driver sleeve 15 leaves. · /. . -

9098-40 / 01.11

Claims (7)

2612 452 16 ν 3/197: 8 Hk / Hm ROBERT 'BOSCH GMBH, 7000 STUTTGART 1 claims. ; / -. 1.JLaufer for ignition distributors of internal combustion engines, whose / electrode distributes the ignition voltage to fixed electrodes "-." .- and whose shaft can be attached to a centrifugally actuated drive sleeve pivotable about the distributor shaft, characterized in that "the rotor is positively connected to the drive sleeve (15 ) can be attached. Ί 2. Runner according to claim I _3, characterized in that a resilient locking mechanism (l8> zv; ischen the shaft (12) of the rotor and the driver sleeve (15). _ '<:> 3. Runner according to claim 2, characterized in that the locking mechanism "(18 ·) has a bolt (21) which is sprung on the driver sleeve (15) and which is inserted into a recess (2 ¹ I) of the shaft (12) in the manner of a bayonet lock. clicks into place. ^ / / 909840/0117 -? Γ » t 2612452 4. Runner according to claim 3, characterized in that the Bolt (21) protrudes from one end section (20) of a rolled-up leaf spring (19) which is in the bore (22) of the driver sleeve (15) is inserted./ 5. Runner according to claim 3 or 4, characterized in that the recess in the shaft (12) receiving the bolt (21) is a through hole (2H) . 6. Runner according to Claim 4 or 5> characterized in that the shaft (12) has a bevel (25) pressing in against the force of the spring against the force of the spring. 7. Runner according to one of the preceding claims, characterized in that a spring element (13) inserted in the shaft (12) has a non-positive connection between the Driving sleeve (15) and the runner causes irkt. [λ 809840/0117