CN2231321Y

CN2231321Y - Safety crank

Info

Publication number: CN2231321Y
Application number: CN 95224380
Authority: CN
Inventors: 张庭宝
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-10-11
Filing date: 1995-10-11
Publication date: 1996-07-17
Anticipated expiration: 2005-10-11

Abstract

The utility model relates to a safety crank for motor vehicles starting. The inner hole of the front crank is sheathed with the rear crank, wherein the sidewall groove of the front crank inner hole forms sliding fit with the pin on the rear crank, besides, a spacing sleeve is arranged at the joint of the front crank and the rear crank, and a stop device is arranged on the rear crank. The utility model overcomes the defect of the crank reversal phenomena radically, which avoids the occurrence of injury, ensures personal safety for drivers and is suitable for all kinds of vehicles manual starting.

Description

Safety cranking-bar

The utility model relates to a kind of vehicle launch, particularly a kind of safety cranking-bar.

Existing vehicle launch crank is a pipe that has handle, and the pipe front end is being fixed the crank locating stud.Behind vehicle launch, often, crank produces counter-rotating because can not in time throwing off, and starting person is careless slightly will to be wounded by precipitate counter-rotating crank.

The purpose of this utility model is to provide a kind of safety cranking-bar of in time throwing off and being stopped when crank reverses.

The purpose of this utility model is achieved in that the utility model is made of preceding crank bar and back crank bar two-part, preceding crank bar is with endoporus and back crank bar suit, the endoporus sidewall has the groove that becomes the angle of inclination with preceding crank bar shaft axis, fixing the pin that becomes to be slidingly matched with groove on the back crank bar, before crank bar and back crank bar joint have one to be connected stop collar on the crank bar flip sleeve of back with internal thread, suit flip sleeve on the back crank bar, have the groove that becomes the angle of inclination with back crank shaft axis on the flip sleeve, back crank boom end has locating stud.

Main structure of the present utility model is with function: utilize groove to become the angle of inclination with crank bar shaft axis, and the glide direction of control pin, when back crank bar was just changeing, pin was compressed in the groove, thus the crank bar rotates before driving.When current crank bar reversed, pin was subjected to action of centrifugal force, withdraws from along groove, pin after the disengagement enters the groove in the flip sleeve, stir flip sleeve and rotate, for this rotation, the utility model is provided with a stopping device, back crank bar is being fixed ratchet, when ratchet reverses in company with crank, can be stuck on " L " shape stop pin, stop pin is because the effect of the arm of force, pressure will act on the support plate locating stud, can be with ratchet stop.The utility model has fundamentally overcome the crank reversal phenomenon, has avoided the generation of casualty accident, has ensured driver's personal safety, and the manual starting that can be widely used in various types of vehicles is used.

Fig. 1 is the sectional view of the utility model plan view;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is a spring seat of honour structure shaft side figure;

Fig. 4 is a back crank bar plan view;

Fig. 5 is preceding crank bar plan view;

Fig. 6 is the flip sleeve plan view.

Below in conjunction with embodiment the utility model is further described.

The utility model as shown in Figure 1, it is made of preceding crank bar 1 and back crank bar 2 two-part, preceding crank bar is with endoporus 3 and back crank bar 2 suits, endoporus 3 sidewalls have the groove 4 that becomes the angle of inclination with preceding crank bar 1 shaft axis as shown in Figure 5, fixing the pin 5 that is slidingly matched with 4 one-tenth of grooves on the back crank bar 2 as shown in Figure 4, preceding crank bar 1 has a stop collar 6 that is sleeved on crank bar 1 flip sleeve 14 of back with back crank bar 2 joints, flip sleeve 14 and stop collar 6 are to be threaded, crank bar 1 was still connected together by stop collar 6 after throwing off with back crank bar 2 before it can guarantee, simultaneously when 2 counter-rotatings of back crank bar, make pin 5 enter groove 4 smoothly, as shown in Figure 6, suit flip sleeve 14 on the back crank bar 1, have the groove 15 that becomes the angle of inclination with back crank bar 2 shaft axiss on the flip sleeve 14, pin enters this groove after crank bar 1 groove withdraws from the past, and drives this crank bar rotation, and the locating stud 16 of back crank bar 2 ends plays the stopping function to flip sleeve 14.

Because in the disconnecting process, back crank bar 2 can produce rotation when groove 4 withdraws from, so another embodiment of the present utility model is provided with a stopping device, in order to overcome the rotation of back crank bar.As shown in Figure 2, the stopping device of back crank bar 2 comprises the ratchet 7 and the support plate 8 that is fixed on the car body that are fixed on crank bar 2 flip sleeves 14 of back, fixing support plate locating stud 9 on the support plate 8, support plate locating stud 9 upper ends are " L " shape stop pin 10 that is hinged on the support plate 8, have spring holder 11 on the stop pin 10, suit spring 12 on it, and spring 12 the other ends are compressed on as shown in Figure 3 the spring seat of honour 13, and this spring is sat and is fixed on the support plate 8.As shown in Figure 2, when ratchet 7 counter-rotatings, just in time be stuck on " L " shape stop pin 10, because the effect of the arm of force, pressure will act on the support plate locating stud 9, can be with ratchet stop.When ratchet 7 is just changeing, because stop pin 10 is an inclined-plane with ratchet 7 surface of contact, so upwards revolution of stop pin 10, pressure spring, after ratchet 7 turned over a tooth, compressed spring was upheld, and stop pin 10 is resetted.

Claims

1, a kind of safety cranking-bar, it is characterized in that: it is made of preceding crank bar (1) and back crank bar (2) two-part, preceding crank bar (1) is with endoporus and back crank bar (2) suit, endoporus (3) sidewall has the groove (4) that becomes the angle of inclination with preceding crank shaft axis, fixing the pin (5) that becomes to be slidingly matched with groove (4) on the back crank bar, before crank bar (1) and back crank bar (2) joint have one to be connected stop collar (6) on back crank bar (2) flip sleeve (14) with internal thread, suit flip sleeve (14) on the back crank bar, have the groove (15) that becomes the angle of inclination with back crank shaft axis on the flip sleeve (14), back crank bar (2) end has locating stud (16).

2, a kind of safety cranking-bar according to claim 1, it is characterized in that: back crank bar (2) has a stopping device, it comprises that one is fixed on the ratchet (7) on back crank bar (2) flip sleeve (14) and is fixed on support plate (8) on the car body, fixing support plate locating stud (9) on the support plate (8), support plate locating stud (9) upper end is " L " shape stop pin (10) that is hinged on the support plate (8), have spring (11) locating stud (11) on the stop pin (10), suit spring (12) on it, and spring (12) the other end is compressed on the spring seat of honour of being fixed on the support plate (8) (13).