CN2266655Y - Non-reversing device for starting machine of vehicle - Google Patents

Abstract

The utility model discloses a non-reversing device for the starting machine of the vehicle. The utility model is composed of a copper sleeve, a gear wheel, a press cover, a cushion piece, a spring, a cylindrical pin and a screw sleeve barrel. The copper sleeve is in tight fit in the inner hole of the gear wheel. The shaft of the gear wheel is processed with oblique teeth. The shaft of the gear wheel is arranged and fixed on the screw sleeve barrel through the cushion piece and the press cover. The screw sleeve barrel is processed with a circular hole. The interior of the circular hole is provided with the cylindrical pin and the spring. The cylindrical pin pushes up the oblique teeth of the shaft of the gear wheel by the function of the spring, and the gear wheel only rotates to one direction. The spring and the cylindrical pin are fixed on the spiral sleeve barrel by the press cover.

Description

The automobile starter one-way element

The utility model relates to a kind of automobile zero, parts, and particularly a kind of automobile starter one-way element uses when being used for vehicle starting, can make series product, is applicable to various model automobile starters.

At present, known automobile starter one-way element has two kinds of roller type and torsional spring types, all is to rely on the work of friction principle; The roller type one way device is to be evenly equipped with 6 skewed slots around the inwall on screw sheel top, roller is installed in the skewed slot, and by the big end of spring top down fold, gear shaft can be rotated, when starter motor is worked, starter armature drives the screw sheel rotation, by the friction effect 6 rollers is shifted to the skewed slot small end, thereby has dwindled interior garden, gear shaft is held tightly, make the gear driven engine start, behind the car engine, starter motor quits work, roller is by the big end of spring force top down fold, enlarged interior garden, loosened gear shaft, gear shaft slides in screw sheel under motor drives, this one-way element skewed slot and roller very easily wear and tear, thereby reduce working life, and cost is higher, processing and installation are complicated; The torsional spring type one-way element is that the garden part is equipped with spring outside screw sheel, spring one end is fixed on the screw sheel, the other end opening, spring inwall and gear shaft are movingly, when starter motor is worked, the screw sheel rotation leans on the friction of spring and gear shaft that spring is tightened up, the locking gear shaft, make the gear driven engine operation, behind car engine, starter motor quits work, spring relaxation, gear shaft slides in spring, play unidirectional rotation purpose, this one-way element reduces friction owing to spring inwall and gear shaft very easily wear and tear one-way element was lost efficacy, and spring machining process and material are had relatively high expectations.

The purpose of this utility model is with regard to providing a kind of friction principle and use garden pin clamping to realize making its cost low by the one-way element of unidirectional rotation that do not rely on, and is easy for installation, improves the automobile starter one-way element in working life greatly.

The purpose of this utility model is achieved in that the one-way element of being made up of copper sheathing, gear, gland, pad, spring, garden pin and screw sheel, copper sheathing is a tight fit in bore, be processed with 6 helical teeth on the gear shaft, gear shaft is installed in the screw sheel movingly, back cushion sheet and gland are fixed, be processed with hole, garden on two on the screw sheel, garden pin and spring are installed in the hole, garden, the garden pin pushes up to the gear shaft helical teeth by spring, spring and the pressured lid of garden pin are fixed, after debugging is finished, the gland tail end is tightened up inwards, gland can not be become flexible.

The utlity model has low, the easy for installation and nonabradable characteristics of cost, owing to having adopted above-mentioned pin tumbler type structure that one-way element is prolonged working life greatly.

Below in conjunction with drawings and Examples the utility model is described in further detail:

Fig. 1 is a concrete structure schematic representation of the present utility model.

Among the figure, copper sheathing 1 and gear 2 endoporus drive fits, be processed with 6 helical teeth on the axle of gear 2, be installed in movingly in the upper end endoporus of spiral tube 7, back cushion sheet 4 and gland 3 are fixing, be processed with hole, two gardens on the screw sheel 7, a garden pin 6 and spring 5 respectively are installed in two holes, and pressured lid 3 is fixed and can not ejects, and garden pin 6 is clamped on the helical teeth of gear 2 by spring 5, after debugging is finished, the tail end of gland 3 is tightened up on screw sheel 7.

The utility model working procedure is such: one-way element is installed on the rotor shaft of automobile starter, because Kong Jun is processed with spiral chute movingly in outer garden of rotor shaft and the screw sheel 7, make one-way element under starter armature drives, push gear 2 to engine gear, and make it interlock, when starter motor is worked, because the effect of spring 5, garden pin 6 tightly is stuck on the helical teeth of gear 2, gear 2 rotates in company with starter armature, thereby driving engine gear rotates, finish car engine work, behind car engine, starter motor quits work, and garden pin 6 promptly slides on the helical teeth of 2 of gears, class is finished the one-way rotation effect as the one-way rotation of bicycle freewheel.

Claims (1)

1. one kind by copper sheathing (1), gear (2), gland (3), pad (4), spring (5), the automobile starter one-way element that garden pin (6) and screw sheel (7) are formed, it is characterized in that copper sheathing (7) is a tight fit in gear (2) endoporus, be processed with helical teeth on the axle of gear (2), gear shaft is installed on the screw sheel (7), rely on pad (4) and gland (3) fixing, screw sheel is processed with the hole, garden on (7), garden pin (6) and spring (5) are installed in the hole, garden pin (6) is by the helical teeth of spring (5) effect top to gear shaft, and spring (5) and garden are lived pin (6) and be fixed on the screw sheel (7) with gland (3).

Images