CN201065102Y

CN201065102Y - Coiler device for automobile safety belt

Info

Publication number: CN201065102Y
Application number: CNU2007200395529U
Authority: CN
Inventors: 吕巍
Original assignee: Individual
Current assignee: Lv Wei; WUHU GOLDEN SAFETY SYSTEM CO Ltd
Priority date: 2007-06-11
Filing date: 2007-06-11
Publication date: 2008-05-28
Anticipated expiration: 2017-06-11

Abstract

The utility model relates to a retractor device for automobile safety belts, which is characterized in that, a wind spring component is connected with a frame; the wind spring component comprises a wind spring, a wind spring plate and a wind spring core sleeve; an angle sensitive sensor is formed by the circumferential assembly of a CS holder in a mechanical cover; the shaft of a CS seat is connected along the holes on the CS holder; a driving sensitive sensor comprises a WS inertial block, a WS pawl, a WS torsion spring and a ratchet wheel; the WS pawl is attached to the WS inertial block through the WS torsion spring and is arranged at the inner side of the WS inertial block; the shaft of the ratchet wheel is connected with the hole of the WS pawl; the hole of the ratchet wheel is connected with the short column of the WS pawl; the WS torsion spring is arranged on the shaft of the WS pawl, with one end fixed on the WS pawl and the other end fixed on the ratchet wheel; a locking block is connected with a leaf spring and is arranged in the ratchet wheel; the ratchet wheel is connected with a shaft head through a shaft sleeve and a leaf spring. The utility model solves the drawbacks of high cost, various components, bad applicability and other drawbacks. The angle senor and the driving sensitive sensor are combined into a new retractor for automobile safety belts. The utility model has the advantages of parts standardization, easy assembly and lower cost.

Description

A kind of taking-up device device that is used for car belt

Technical field

The utility model relates to a kind of car belt, particularly a kind of taking-up device device of car belt.

Background technology

Before the present utility model, existing Webbing retractor device, its structure are to cooperate the setting angle of various vehicle bodies at B post or C post by the moving end instr of different angles car.But the vehicle body angle of different depots, different automobile types varies, and the taking-up device of this structure need design the moving end instr of car of different setting angles to be suitable for different angle requirements.The responsive realization of the drive of existing Webbing retractor device is the inertia that overcomes rotary part by sheet spring or spiral Hookean spring, and the acceleration/accel of pulling out at belt-strap is greater than safe range, the locking safety strap.Its shortcoming is: different angular transducer design cost height, part are various, poor for applicability, and Hookean spring or sheet spring conformability when realizing driving sensitivity is poor, and correlated parts is required the processing degree of precision, thereby cost is higher.

Summary of the invention

The technical solution of the utility model is:

A kind of taking-up device device that is used for car belt, framework is arranged, the wind spring assembly, the wind spring assembly is connected on the framework, the wind spring assembly is by wind spring, the wind spring plate, the wind spring core retainer plate is formed, its major technique is characterised in that the angular-sensitive sensor is CS holder circumferentially assembling in mechanical case, the axle of CS seat connects along the hole in the CS holder, drive sensitive sensor by the WS inertial mass, the WS ratchet, the WS torsion spring, ratchet is formed, the WS ratchet is fitted by WS torsion spring and WS inertial mass, and be in WS inertial mass inboard, and the axle on the ratchet is connected with the hole on the WS ratchet, and the hole on the ratchet is connected with short column on the WS ratchet, the WS torsion spring be contained on the WS ratchet the axle on, one end is fixed on the WS ratchet, and an end is fixed on the ratchet, and latch is connected with the sheet spring, be arranged in the ratchet, ratchet is connected with the sheet spring by axle sleeve with spindle nose.

Advantage of the present utility model is angular transducer with effect, drives sensitive sensor and relevant part, form a kind of brand new automobile safety belt retractor, realization can use identical component assembly to go out the automobile safety belt retractor of different setting angles, make parts standardization, assembling is simple, cost is lower.

Description of drawings

Fig. 1---the utility model structural representation.

Fig. 2---angular-sensitive sensor construction scheme drawing.

Fig. 3---taking-up device coordinate scheme drawing

Fig. 4---angular-sensitive sensor on coordinate YZ, XZ plane around X-axis, Y-axis angular adjustment principle schematic.

Fig. 5---drive the sensitive sensor structural representation.

Fig. 6---drive sensitive sensor work scheme drawing.

Fig. 7---mandrel structural representation.

Fig. 8---responsive locking of angle/drive and latch and framework mesh schematic representation.

Fig. 9---sheet spring connects ratchet and axle sleeve scheme drawing.

Figure 10---mandrel and wind spring assembly annexation figure.

Figure 11---core sleeve and mandrel annexation figure.

Figure 12---the utility model integral structure scheme drawing.

The specific embodiment

As shown in Figure 1, 2, framework 1 is connected with wind spring assembly 2; Wind spring assembly 2 is made up of wind spring, wind spring plate and wind spring core retainer plate, is used to produce safety strap and furls power.

Angular transducer is to form by case 3.1, CS holder 3.2, CS seat 3.3, CS steel ball 3.4 and CS ratchet 3.5.Case 3.1 is to link together by its plastic pin and framework 1.

Shown in Fig. 2,3,4, but the circumferentially assembling in case 3.1 of the setting angle (taking-up device coordinate X-direction) of CS holder 3.2 root a tree name vehicle bodies, by the muscle 3.2.1 of three projectioies in the CS holder 3.2 and the groove location in the case 3.1; Simultaneously, the axle 3.3.1 of CS seat 3.3 can ask hole 3.2.2 on 3.2 to rotate to determine the setting angle of taking-up device coordinate around Y direction along CS.

By the setting of above-mentioned angle, WS steel ball 3.4 is positioned at CS seat 3.3 lowest parts, is in balance position.When automobile tilted or bumps, WS steel ball 3.4 left CS seat 3.3 lowest parts, promoted CS ratchet 3.5 and produced angular-sensitive output.

As Fig. 5, shown in Figure 6, driving sensitive sensor is made up of WS inertial mass 4.1, WS ratchet 4.2 and WS torsion spring 4.3 and ratchet 5, WS ratchet 4.2 is fitted by torsion and WS inertial mass 4.1 that WS torsion spring 4.3 produces, and be in WS inertial mass 4.1 inboards, when ribbon 10 is pulled out fast, because the force of inertia that the rotor inertia of inertial mass produces, overcome the torsion of WS torsion spring 4.3, WS inertial mass 4.1 is rotated and is promoted WS ratchets 4.2 and produce and drive responsive output.

Wherein, the hole 4.2.2 on the WS ratchet 4.2 rotates round the axle 5.2 on the ratchet 5, and the hole 5.1 on the ratchet 5 is by the slewing area of short column 4.2.1 constraint WS ratchet 4.2 on the WS ratchet 4.2; The WS torsion spring be contained on the WS ratchet 4.2 the axle 4.2.3 on, an end is fixed on the WS ratchet 4.2, an end is fixed on the ratchet 5, makes WS ratchet 4.2 that the prestress of direction as shown in Figure 5 be arranged.

As shown in Figure 7, on the mandrel 6.1 two pin 6.1.1 with press after two hole 6.2.1 on the diecasting spindle nose 6.2 cooperate, link together.If have limit power function, torsion bar 6.5 is put into mandrel 6.1, hexagon ring (or other shape) in the hexagonal configuration at its two ends (or other shape) and mandrel 6.1 and the spindle nose 6.2 matches, if do not need limited power function, mandrel 6.1 and spindle nose 6.2 can be made of one, and connection does not need to press.Latch 6.3 is assemblied in the inner chamber on the spindle nose 6.2, the pin on the latch 6.3 be put into ratchet 5 on hole 5.1.Plastic Parts axle sleeve 6.4 is assemblied on the axle on the spindle nose 6.2, and is stuck on the spindle nose 6.2 by the clamp on the axle sleeve 6.4.

As shown in Figure 9, sheet spring 7 is assemblied in the ratchet 5, connects ratchet 5 and axle sleeve 6.4.

Shown in Fig. 1,2,8, case 3.1 is pressed together on the framework 1 by plastic pin, when above-mentioned angular transducer has output, CS ratchet 3.5 and ratchet 5 engagements, along with pulling out of ribbon, mandrel 6.1 and spindle nose 6.2 rotate, when because CS ratchet 3.5 and ratchet 5 engagements, ratchet 5 can not rotate with mandrel 6.1 and spindle nose 6.2, pin slides along the hole 5.3 on the ratchet 5 on the latch 6.3, and overcomes the elastic force of sheet spring 7, and latch 6.3 skids off the inner chamber of spindle nose 6.2, tooth engagement with on the framework 1 realizes locking.

Equally, when above-mentioned drive sensor has output, internal tooth 3.1.1 engagement on WS ratchet and the mechanical case 3.1, limited the rotation of ratchet 5 with mandrel 6.1 and spindle nose 6.2, along with pulling out of ribbon 10, pin slides along the hole 5.3 on the ratchet 5 on the latch 6.3, and overcome the elastic force of sheet spring 7, latch 6.3 skids off the inner chamber of spindle nose 6.2, and the tooth engagement with on the framework 1 realizes locking.

When taking-up device has limit power function, when ribbon 10 pulling force surpass specified value, pin 6.1.1 on the mandrel 6.1 is cut off by spindle nose 6.2, torsion bar 6.5 1 ends are fixed on the mandrel 6.1, and an end is fixed on the spindle nose 6.2, and the moment of torsion that produces because of the ribbon pulling force is born by torsion bar 6.5, when moment of torsion surpasses the torque setting value of torsion bar 6.5, torsion bar 6.5 yield deformations, thus more constant moment of torsion output produced, realized limit power function.The torque setting value of torsion bar 6.5 can be adjusted by its diameter.

As shown in figure 10, the square column 6.1.2 of the other end of mandrel 6.1 square hole 2.1 on the wind spring assembly 2 of packing into, wind spring assembly 2 inside are equipped with wind spring (as clockwork feed) and are produced certain backrush power.

Structure as shown in figure 11, plastic

core axle sleeve

8 and 9 is being contained on the mandrel 6.1, by the plastics button on

core sleeve

8 and 9 they is linked together, and its effect is that the string of constraint mandrel is moving, and provide guiding when reeling to ribbon, be convenient to ribbon and be wound on the mandrel in an orderly manner.

As shown in figure 12, be that each parts of the utility model are integrated scheme drawing.

Claims

1. taking-up device device that is used for car belt, framework is arranged, the wind spring assembly, the wind spring assembly is connected on the framework, the wind spring assembly is by wind spring, the wind spring plate, the wind spring core retainer plate is formed, it is characterized in that the angular-sensitive sensor is CS holder circumferentially assembling in mechanical case, the axle of CS seat connects along the hole in the CS holder, drive sensitive sensor by the WS inertial mass, the WS ratchet, the WS torsion spring, ratchet is formed, the WS ratchet is fitted by WS torsion spring and WS inertial mass, and be in WS inertial mass inboard, and the axle on the ratchet is connected with the hole on the WS ratchet, and the hole on the ratchet is connected with short column on the WS ratchet, the WS torsion spring be contained on the WS ratchet the axle on, one end is fixed on the WS ratchet, and an end is fixed on the ratchet, and latch is connected with the sheet spring, be arranged in the ratchet, ratchet is connected with the sheet spring by axle sleeve with spindle nose.

2. a kind of taking-up device device that is used for car belt according to claim 1 is characterized in that two ends have the plastic core axle sleeve of flange to be assemblied on the mandrel.