CN2745804Y - Anti-tightening buckle of automobile safety belt - Google Patents

Abstract

The utility model relates to an anti-tightening buckle of automobile safety belt, being installed on the safety belt used by the driver of the existing automobile to limit the safety belt to automatically tighten to cause the uncomfortable feel for users. The anti-tightening buckle is mainly combined by a buckle body, a push-pull plate and a pressing switch. The both sides of the buckle body are provided with push-pull plate sliding grooves in which the push-pull plate is pushed in or pulled out, the plane of the push-pull plate opposite to the pressing switch forms two gap states capable of being pushed through the convex bearing and the convex shaft rack of the pressing switch so as to press the safety belt and make the safety belt freely slide, and the tightening cards of the two sides of the back end of the push-pull plate make the push-pull plate be completely pushed in so as to have the fastening action. The utility model has simple principle, convenient use, low manufacturing cost and good using effect without affecting the safety performance of the safety belt equipment.

Description

The anti-tension of safety belt for vehicle snap close

Technical field:

The utility model relates to the anti-device of straining of safety strap that a kind of steam supply car chaufeur uses, particularly a kind of the setting at existing safety strap is installed in the safety strap appropriate location under the unmodified condition, the restriction safety strap tightens automatically and guarantees that its original safety guarantee function is constant, improves the anti-tension of the safety belt for vehicle snap close of chaufeur frenulum level of comfort.

Technical background:

Along with developing rapidly of China's automobile cause and highway cause, the moving velocity of automobile will be all the more quick, thereby the motor traffic accidents that causes is also more and more, the injures and deaths of navigating mate are also in continuous increase, in order to reduce the personal casualty in the automobile cab, the personnel of traffic police department regulation automobile cab wear Safety Belt.Although this regulation is strict, and fasten the safety belt the guarantee mental awareness has been brought into play certain effect really, but navigating mate and often still be unwilling to fasten seat belts with the chamber passenger, one of its reason is exactly that the person more and more feels to be tied tight discomfort by safety strap and be difficult to stand to cause the frenulum because the design of seat belt apparatus can slowly be strained after making the navigating mate frenulum.In order to remove this state unbearably, the frenulum person will make a movement with openhanded frequently, so that safety strap can loosen, reduce sensation unbearably, especially female driver is fastened the safety belt, because its design reasons, safety strap is just in time tightly reined in chest locations, in the past for a long time, can cause many harmful effects, thereby female driver is more unwilling fastens the safety belt to female driver.

Summary of the invention:

In order to overcome the above-mentioned shortcoming that existing car belt exists, the utility model is intended to can not tighten automatically after design is fastened safety strap, leave certain space and give between safety strap and the frenulum person health, neither influence its safety performance, the person feels uncomfortable especially can not to make the frenulum again, promptly tightens at safety strap and installs an anti-tension snap close on being with of inflow point additional.

In order to realize the purpose of the invention, the utility model is by locked body, draw back plate, the degree of tightness card, the arm-tie chute, clamping switch, protruding bearing, protruding pedestal and convex clip combine, the locked body both sides of square box structure are shaped on the arm-tie chute, board-like draw back plate can advance or pull out by chute, the both sides, rear portion of draw back plate symmetry respectively are shaped on the degree of tightness card, can walk about with the living elasticity of cutting down output in the finger, be convenient to make the convex clip of the semicircle shape that is formed on the degree of tightness card outside to enter or withdraw from the arm-tie chute, and when convex clip enters the arm-tie chute, by the fastening draw back plate of elasticity of degree of tightness card; The place is shaped on protruding bearing in the middle of the both sides of locked body, the side that locked body is relative with draw back plate is shaped on indent formula clamping switch, laterally be shaped on protruding pedestal in the middle of it, insert in the protruding bearing at the two ends of protruding pedestal, clamping switch is stirred in the angle of 5-10 degree, after draw back plate inserts locked body fully, its plane and clamping switch two ends form the gap of 0-5mm, so that safety strap is walked about by this gap or is tightened, promptly when the gap is zero, clamping switch and draw back plate block safety strap and stretchy not, and when the gap was non-vanishing, safety strap can slide by backlash freedom.

The utility model exists and can strain automatically in using at existing safety belt for vehicle, make the shortcoming of navigating mate discomfort, design is made button and is stuck in safety strap and pulls out limit tension snap close on the end, its principle is simple, easy to install and use, safe reliability is good, has to solve the automatically shortcoming of tension and don't influence advantage such as its security function slowly of safety strap.

Description of drawings:

Fig. 1 is a structural principle scheme drawing of the present utility model.

Specific embodiments:

Enforcement of the present utility model adopts plastics or metallic material die-casting process to make, mainly comprise locked body 1, draw back plate 2, degree of tightness card 3, arm-tie chute 4, clamping switch 5, protruding bearing 6, protruding pedestal 7 and convex clip 8, processing is cast into locked body 1, draw back plate 2,5 three single component of clamping switch.The arm-tie chute 4 of locked body 1 both sides matches with the two side ends of draw back plate 2, when draw back plate 2 pushes in the chute fully, align with the upper end of locked body 1 in the lower edge of its degree of tightness card 3, degree of tightness card 3 relies on material itself and makes structure and forms elasticity, can in the height dimension of convex clip 8, stir, when making convex clip 8 advance arm-tie chute 4, form certain tightness, guarantee that draw back plate 2 is not pulled out easily by elasticity.The middle both sides of locked body 1 correspondence respectively are shaped on two protruding bearings 6, itself and the engagement of protruding pedestal 7 two ends are rotated, by convex structure clamping switch 5 is stirred in the angle of 5-10 degree, be that clamping switch 5 is stirred two states that are in, a state is that clamping switch 5 is almost nil with the plane clearance of draw back plate 2, can firmly compress safety strap; Another state is a plane clearance greater than zero, and between 0-5mm, general gap should guarantee that safety strap can be free to slide by the gap; Clamping switch 5 is a central axis with protruding pedestal 7, and two lateral body symmetries are pressed both sides respectively, can make clamping switch 5 be in two states, so that lay, spur and tighten safety strap.

When the utility model uses, draw back plate 2 is pulled out fully, safety strap is takeed on the concave side that the upper part lies against clamping switch 5 the driver, after draw back plate 2 is upwards advanced fully along arm-tie chute 4, the elasticity of adjusting safety strap upwards is pushed into the safety strap top end with locked body 1 and presses clamping switch 5 and compress safety strap and get final product when suitable.When the pulling force in the seat belt apparatus inwardly spurs safety strap, owing to the restriction of locked body 1 stops, making between safety strap and the user's health and leave certain looseness, and can guarantee that the function of safety strap do not decrease.

Claims (1)

1, the anti-tension of a kind of safety belt for vehicle snap close, the locked body both sides that it is characterized in that square box structure are shaped on the arm-tie chute, both sides, board-like draw back plate rear portion symmetry respectively are shaped on the degree of tightness card, its outside is shaped on the convex clip of semicircle shape, the place is shaped on protruding bearing in the middle of the both sides of locked body, and the side that locked body is relative with draw back plate is shaped on indent formula clamping switch, laterally is shaped on protruding pedestal in the middle of it, insert in the protruding bearing at protruding pedestal two ends, and clamping switch is stirred in the angle of 5-10 degree.

Images