CN1305715C

CN1305715C - Not-to-tighten safety bet

Info

Publication number: CN1305715C
Application number: CNB2004100150344A
Authority: CN
Inventors: 陈小华
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-02
Filing date: 2004-01-02
Publication date: 2007-03-21
Anticipated expiration: 2024-01-02
Also published as: CN1640731A

Abstract

The present invention relates to a safety belt in loose contact with human body, which comprises a safety belt, a grabber, an insert plate, a lock catch and a limiter, wherein the limiter comprises a casing, an inlet outlet for a safety belt is arranged on the side face of the casing; an upper and a lower rotating axes are arranged in the casing, the lower rotating axis is connected with two lower axial seats of a lower casing in a movable fit way, a gripping sleeve is fixed on the lower rotating axis, electromagnet are arranged on the two lower axial seats, a ratchet-and-pawl mechanism is arranged on the lower rotating axis; a gripping sleeve is fixed on the upper rotating axis and is connected with two upper axial seats in a movable fit way, the two upper axial seats are respectively positioned in two slide rails of an upper casing, the two upper axial seats are provided with extension springs, a ratchet-and-pawl mechanism is arranged on the upper rotating axis, electromagnet can be arranged on the lower part of the upper rotating axis, and a motor can be arranged in the lower casing for driving the lower rotating axis. The present invention is also provided with automatic or manual limiter which plays the protection function of traditional safety belts, and simultaneously the degree of relaxation of the safety belts can be adjusted moderately. Thus, the safety belt can be in loose contact with users, and the tight astriction of bodies of users can be eliminated. The present invention has the advantages of simple structure, convenient mounting, and can be widely used or automobiles, aeroplanes, high speed trains.

Description

Not tight close-fitting type safety strap

Technical field

The present invention relates to car belt, specifically is a kind of not tight close-fitting type safety strap that is used for the high speed vehicle such as automobile, high speed train.

Background technology

The car belt that uses mainly comprises the latching system that coiler, safety strap and snap close and plate are formed at present, and after plate was inserted snap close, coiler can tighten up lax safety strap automatically, and safety strap is close on people's the body.Why some people knows obviously that safety has the safety effect of protection oneself; but be unwilling to use of seat belts; idea of leaving things to chance is arranged on the one hand; not think and to have traffic accident; be on the other hand since the incompatibility safety strap for a long time to the tight-binding of crossing of health, especially in summer, because the clothes of wearing is less; time has been grown by bus, and the place that is fettered by safety strap can feel under the weather.In addition, on one's body safety strap is strapped in for a long time, can influence the neat of passenger's clothes and necktie.The tension of safety strap is strapped in to a certain extent may be influential to the flexibility of operation of chaufeur.

Summary of the invention

The objective of the invention is in order to overcome the deficiency of existing safety strap; provide a kind of and can bring into play the protective effect of safety strap, be not close to tight close-fitting type safety strap on the person again; make more passenger like wearing safety strap, really bring into play the prevention and the protective effect of safety strap.

Not tight close-fitting type safety strap of the present invention is to realize like this, comprise the safety strap 2 of being with plate 4, belt retractor 1, the killer 3 of snap close 5 and adjusting safety strap 2 slacknesses, it is characterized in that: described killer contains, lower house 325,326, the housing two sides have safety and bring into, outlet, the both sides of safety strap 2 are provided with respectively in the housing, lower rotary shaft 306,303, two following axle beds 302 of the bottom surface of lower rotary shaft 303 and lower house 326,324 running-fits, the stage casing of lower rotary shaft 303 fixes to clamp cover 301, electromagnet 304 is installed on two following axle bed tops respectively, 323, ratchet 322 is installed on the lower rotary shaft 303, is installed in the bearing 330 of lower house with ratchet 322 ingear ratchets 321 and stage clip 320 thereof; The stage casing of last rotating shaft 306 fixes to clamp cover 310, last rotating shaft 306 and axle bed 307,311 running-fits on two, going up axle bed 307,311 for two lays respectively in two slide rails 333,332 of upper shell 325, two slide rails 332,333 are fixed on the upper shell 325, go up between axle bed 307,311 and the upper shell for two and be provided with extension spring 308,312, ratchet 316 is installed in the last rotating shaft 306, be installed in the bearing of upper shell with ratchet 316 ingear ratchets 315 and stage clip 314 thereof, go up axle bed 307,311 bottoms for two electromagnet 305,313 is installed respectively.

Also motor 318 can be installed in lower house 326, the axle of motor 318 connects by coupler 317 with lower rotary shaft 303, constitutes the electrodynamic type killer.

This not tight close-fitting type safety strap is provided with automatically and the killer of manual regulation belt slack degree; the protective effect that had both had the conventional security band; the slackness of simultaneously can appropriateness adjusting safety strap; make safety strap not be close on one's body the user; thereby eliminated of the excessively tight-binding sense of conventional security band to passenger's body; make and wear the safety strap person comforts, also can not influence the neat of passenger's clothes or necktie.It is simple in structure, and is easy for installation, can be widely used in automobile, aircraft, high speed train etc.

Description of drawings

Fig. 1 is the structural representation of power type embodiment 1 of the present invention;

Fig. 2 is the STRUCTURE DECOMPOSITION figure of Fig. 1 embodiment 1;

Fig. 3 is Fig. 1 embodiment 1 inverted STRUCTURE DECOMPOSITION figure;

Fig. 4 is the preceding view of killer action of Fig. 1;

Fig. 5 is the lax view of killer action back safety strap appropriateness of Fig. 1;

Fig. 6 is the view before the action of its type hand embodiment 2 killers;

Fig. 7 is the lax view of embodiment 2 killers action back safety strap appropriateness;

Fig. 8 is the control circuit figure of power type embodiment 2;

Fig. 9 is the control circuit figure of type hand embodiment 2.

The specific embodiment

Below in conjunction with embodiment 1 accompanying drawing this not tight close-fitting type safety strap is further specified.

The structure of the not tight close-fitting type safety strap of power type of the present invention is shown in Fig. 1～5.It comprises safety strap 2, belt retractor 1, snap close 5 and regulates the killer 3 of safety strap 2 slacknesses; Described killer contains, lower house 325,326, the lower house two sides have safety and bring into, outlet 327,328, on, the both sides of safety strap 2 are provided with respectively in the lower house, lower rotary shaft 306,303, two following axle beds 302 of the bottom surface of lower rotary shaft 303 and lower house 326,324 running-fits, the stage casing of lower rotary shaft 303 fixes to clamp cover 301, two following axle beds 302, electromagnet 304 is installed on 324 tops respectively, 323, ratchet 322 is installed on the lower rotary shaft 303 in following axle bed 324 outsides, be installed in the bearing 330 of lower house 326 with ratchet 322 ingear ratchets 321 and stage clip 320 thereof, motor 318 is installed in lower house 326, and the axle of motor 318 connects by coupler 317 with lower rotary shaft 303.

The stage casing of last rotating shaft 306 fixes to clamp cover 310, last rotating shaft 306 and two last axle beds 307,311 running-fits, go up axle bed 307 for two, 311 lay respectively at two slide rails 333 of upper shell 325, in 332, two slide rails 332,333 are fixed on the upper shell 325, go up axle bed 307 for two, 311 and upper shell 325 between be provided with extension spring 308,312, ratchet 316 is installed in the last rotating shaft 306 in last axle bed 312 outsides, be installed in the bearing of upper shell 325 with ratchet 316 ingear ratchets 315 and stage clip 314 thereof, go up axle bed 307 for two, electromagnet 305 can be installed in 311 bottoms, 313.

With reference to Fig. 2,3,4, lower house 326 two sides have safety strap import 327 and outlet 328, motor 318 is installed on interior one motor bracket 331 of lower house 326, following axle bed 302,324 usefulness screws are anchored on two erecting beds 329, between one erecting bed 329 and the motor bracket 331 bearing 330 is arranged, in ratchet 321 and stage clip 320 erection supports 330 thereof.Two slide rails 332,333 are set in the upper shell 325,311,307 and two slide rail running-fits of last axle bed, the hook of hanging extension spring 308,312 is arranged at two slide rail 332,333 tops.Upper shell and lower house can be fastening with screw at four jiaos of places.

As shown in Figure 8, embodiment 1 can adopt storage battery power supply, and motor 318 and timer 319 are formed series arm, and this series arm is connected to four electromagnet, 304,305,313,323 coil two ends in parallel, and series electrical source switch 309 is connected to storage battery 335 again.

Source switch 309 can be installed in the snap close 5, by the break-make of plate 4 control source switchs 309.Source switch 309 can adopt leaf spring switch etc.

In concrete enforcement, electromagnet 304,305,313,323 also can adopt other power supply power supply, and its source switch 309 can be installed on the place that the outside passenger of snap close 5 touches easily.Killer 3 is installed in the place near belt retractor 1.Also belt retractor 1 can be installed in the housing of killer 3 and form a whole.

Tightly the principle of work of close-fitting type safety strap is not as follows for power type embodiment:

With reference to Fig. 4,5, when inserting the plate 4 of safety strap 2 heads in the snap closes 5, coiler 1 is rapidly with safety strap 2 tensions, make it be close to passenger's health, simultaneously, plate 4 has been stirred the source switch 309 in the snap close 5, make electromagnet 304,305,313,323 get electric generation magnetic force, under the effect of magnetic force, two following axle beds 302, the electromagnet 304 on 324 tops, 323 go up axle bed 307 with two respectively, the electromagnet 305 of 311 bottoms, 313 adhesives, drive rotating shaft 306 and two axle bed 307,311 two slide rails 333 along upper shell 325,332 to the downslide of lower rotary shaft 303 directions, and safety strap 2 is clamped.

Motor 318 must electricly must slightly be later than electromagnet, after electromagnet gets electric tight mutually suction drive gripping sleeve fastening safety band, motor begins to rotate the upper and lower rotating shaft 306,303 of drive and rotates, safety strap 2 is drawn pine, because the ratchet and pawl structure that restriction turns to is installed in the upper and lower rotating shaft 306,303, make two rotating shafts 306,303 be drawn the direction of pine to rotate to safety strap, after safety strap 2 is drawn pine, can do not strained by coiler 1 once more, the appropriateness that has so just guaranteed not influence under the safety strap safety effect is lax.

Can adjust the time of motor 318 runnings by the timing of regulating timer 319, thereby control safety strap 2 is drawn the degree of pine.Time delay circuit commonly used is arranged in the timer 319, and this time delay circuit makes the motor energising be slightly later to electromagnet.Timer can be selected various electronic timers, mechanical timer for use, as timer of laundry machine etc.

Its type hand embodiment 2 sees Fig. 6,7.Embodiment 2 and embodiment 1 have relatively removed Direct Current Motor 318, and safety strap 2 appropriateness draw pine to be finished by staff.It comprises safety strap 2, belt retractor 1, plate 4, snap close 5 and regulates the killer 3 of safety strap 2 slacknesses; Described killer contains, lower house 325,326, the lower house two sides have safety and bring into, outlet 327,328, on, the both sides of safety strap 2 are provided with respectively in the lower house, lower rotary shaft 306,303, two following axle beds 302 of the bottom surface of lower rotary shaft 303 and lower house 326,324 running-fits, the stage casing of lower rotary shaft 303 fixes to clamp cover 301, two following axle beds 302, electromagnet 304 is installed on 324 tops respectively, 323, ratchet 322 is installed on the lower rotary shaft 303 in following axle bed 324 outsides, is installed in the bearing 330 of lower house 326 with ratchet 322 ingear ratchets 321 and stage clip 320 thereof; The stage casing of last rotating shaft 306 fixes to clamp cover 310, last rotating shaft 306 and two last axle bed 307,311 running-fits, going up axle bed 307,311 for two lays respectively in two slide rails 333,332 fixing on the upper shell 325, be provided with extension spring 308,312 between two axle beds 307,311 and the upper shell 325, ratchet 316 is installed in the last rotating shaft 306 in last axle bed 311 outsides, be installed in the bearing of upper shell 325 with ratchet 316 ingear ratchets 315 and stage clip 314 thereof, go up axle bed 307,311 bottoms for two electromagnet 305,313 can be installed.Above-mentioned axle bed 302,324 down can directly be fixed on the lower house 326, also can be loaded in the slide rail in the lower house 326.

Embodiment 2 circuit parts are with reference to Fig. 9, and four electromagnet 304,305,313,323 are powered by automotive battery, the coils from parallel connection of coils of four electromagnet 304,305,313,323, and series electrical source switch 309 is connected in the two ends of automotive battery 335 again.Source switch 309 can be installed in the snap close 5, by the break-make of plate 4 control source switchs 309.Described source switch 309 adopts leaf spring switch.

In actual applications, described electromagnet 304,305,313,323 also can adopt the power supply of other power supply, and its source switch 309 also can be installed on the place that the passengers such as outside of snap close 5 touch easily.

Narrate the not principle of work of tight close-fitting type safety strap of embodiment 2 below:

With reference to Fig. 6,7, when inserting the plate 4 of safety strap head in the snap closes 5, coiler 1 is rapidly with safety strap 2 tensions, make it be close to passenger's health, simultaneously, plate 4 has been stirred the source switch 309 in the snap close 5, make electromagnet 304,305,313,323 get electric generation magnetic force, under the effect of magnetic force, two following axle beds 302, the electromagnet 304 on 324 tops, 323 go up axle bed 307 with two respectively, the electromagnet 305 of 311 bottoms, 313 adhesives, drive rotating shaft 306 and two axle bed 307,311 along two slide rails 333 that are fixed on upper shell 325,332 to lower rotary shaft 303 downslides, and safety strap 2 is clamped.

This moment, the passenger was if want safety strap 2 is loosened a bit, available hand draws safety strap 2 a bit toward pine, because the ratchet and pawl structure that restriction turns to is installed in the upper and lower rotating shaft 306,303, make two rotating shafts 306,303 be drawn the direction of pine to rotate to safety strap, after safety strap 2 draws pine like this, can do not strained by coiler 1 once more, the appropriateness that has just guaranteed not influence under the safety strap safety effect is lax.

It is noted that gripping sleeve 301,310 fastening safety bands 2 in design after, the friction between gripping sleeve 301,310 and the safety strap 2 must be greater than the pulling force of 1 pair of safety strap 2 of coiler.

In design, also belt retractor 1 can be fixed in the housing of killer 3, make coiler and killer constitute an integral body.

Claims

1, a kind of not tight close-fitting type safety strap, the safety strap (2) that comprises band plate (4), belt retractor (1), the killer (3) of snap close (5) and adjusting safety strap (2) slackness, it is characterized in that: described killer (3) contains, lower house (325,326), the housing two sides have safety and bring into, outlet, the both sides of safety strap (2) are provided with respectively in the housing, lower rotary shaft (306,303), two following axle beds (302 of the bottom surface of lower rotary shaft (303) and lower house (326), 324) running-fit, the stage casing of lower rotary shaft (303) fixes to clamp cover (301), electromagnet (304 is installed on two following axle bed tops respectively, 323), lower rotary shaft (303) go up to be installed ratchet (322), is installed on the bearing (330) of lower house with ratchet (322) ingear ratchet (321) and stage clip (320) thereof; The stage casing of last rotating shaft (306) fixes to clamp cover (310), last rotating shaft (306) is gone up axle bed (307,311) running-fit with two, going up axle bed (307,311) for two lays respectively in two slide rails (333,332) of upper shell (325), go up between axle bed (307,311) and the upper shell for two and be provided with extension spring (308,312), go up axle bed (307,311) bottom for two electromagnet (305,313) is installed respectively, last rotating shaft (306) is gone up ratchet (316) is installed, and is installed in the bearing of upper shell with ratchet (316) ingear ratchet (315) and stage clip (314) thereof.

2, tight close-fitting type safety strap according to claim 1, it is characterized in that: on the lower rotary shaft (303) in axle bed (324) outside, ratchet (316) was positioned in the last rotating shaft (306) in axle bed (311) outside under described ratchet (322) was positioned at.

3, not tight close-fitting type safety strap according to claim 1, it is characterized in that: all electromagnet parallel connections, series electrical source switch (309) is connected in the two ends of automotive battery again.

4, not tight close-fitting type safety strap according to claim 3, it is characterized in that: described source switch (309) is installed in the snap close (5), by the break-make of plate (4) control source switch (309).

5, not tight close-fitting type safety strap according to claim 1, it is characterized in that: motor (318) is installed in the lower house (326), and the axle of motor (318) connects by coupler (317) with lower rotary shaft (303).

6, not tight close-fitting type safety strap according to claim 5, it is characterized in that: motor (318) and timer (319) series arm are connected to magnet coil two ends in parallel, and series electrical source switch (309) is connected to automotive battery again.

7, not tight close-fitting type safety strap according to claim 6, it is characterized in that: described source switch (309) is installed in the snap close (5), by the break-make of plate (4) control source switch (309).

8, not tight close-fitting type safety strap according to claim 7, it is characterized in that: described source switch (309) adopts leaf spring switch.

9, not tight according to claim 1 or 5 close-fitting type safety strap, it is characterized in that: described belt retractor (1) is installed in the housing of killer (3).