CN203580701U - Manual adjusting mechanism for FIX - Google Patents

Abstract

The utility model discloses a FIX manual adjustment mechanism, which comprises a flexible belt fixed on the FIX, a retractor for adjusting the expansion and contraction of the flexible belt. The rotating shaft arranged on the retracting frame, the turntable fixed on the rotating shaft, the one-way inner gear concentric with the turntable and arranged inside the turntable, the pawl which can be adjusted on the retracting frame and meshed with the one-way inner gear , and a locking mechanism for relatively locking the pawl and the one-way internal gear, wherein a buckle is provided on the turntable, and the other end of the flexible belt is wound on the buckle. When the locking mechanism is unlocked, the rotation of the turntable can drive the flexible belt shrink. The utility model not only achieves the purpose of the retractor, but also achieves the purpose of locking. At the same time, the utility model adopts a simple structure and good maneuverability.

Description

A FIX Manual Adjustment Mechanism

technical field

The utility model relates to a FIX manual adjustment mechanism.

Background technique

As we all know, FIX is used to connect two parts, especially in the car seat, the adjustment of FIX (common expansion and contraction), the most common way is to use the rope under the action of the retractor to pull the rope to make the FIX shrink , or loosen the rope and pull the FIX itself so that the FIX shrinks and elongates back to its original state. In the car seat, the FIX needs to be locked after the telescopic adjustment, and the retractor can only control the rope’s stretching. If a locking mechanism is added, The structure of the entire adjustment mechanism becomes complicated, and at the same time, the accuracy of retraction and recovery of the retractor is high, which increases the difficulty of manipulation of the adjustment mechanism, thereby increasing the production cost.

Contents of the invention

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a FIX manual adjustment mechanism with simple structure, good maneuverability, and high shrinkage and reset accuracy.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A FIX manual adjustment mechanism, which includes a flexible belt with one end fixed on the FIX, and a retractor for adjusting the expansion and contraction of the flexible belt. The rotating shaft on the rotating shaft, the rotating disk fixed on the rotating shaft, the one-way internal gear concentric with the rotating disk and arranged inside the rotating disk, the pawl that can be adjusted on the retracting frame and meshed with the one-way internal gear, and the The locking mechanism in which the pawl and the one-way internal gear are relatively locked. There is a buckle on the turntable, and the other end of the flexible belt is wound on the buckle. When the locking mechanism is unlocked, the one-way internal gear is separated from the pawl, and the turntable rotates. It can drive the flexible belt to expand and contract. When the locking mechanism is locked, the one-way internal gear meshes with the ratchet, and the turntable cannot rotate.

Preferably, the locking mechanism includes an unlocking push rod rotatably arranged on the retracting frame, the unlocking push rod is arranged on the upper cover plate on the retracting frame, and one end is in contact with the ratchet; and an unlocking push rod fixedly arranged on the retracting frame Limit lever. When the locking mechanism is in the unlocked state, the pawl is separated from the one-way internal gear, and the torsion spring is in a deformed state; when the locking mechanism is in the locked state, the torsion spring returns to the initial state, the pawl is engaged with the one-way internal gear, and the push rod is unlocked It is in contact with the limit rod, and the adjustment bolt is in contact with the unlocking push rod.

According to another specific implementation and preferred aspect of the utility model, the retracting frame includes a hollow U-shaped tube inside, arranged on both sides of the bottom of the U-shaped tube and connected to the two vertical parts of the U-shaped tube at both ends. The upper cover plate and the lower cover plate, the turntable is located between the upper cover plate and the lower cover plate, and the two ends of the rotating shaft of the turntable are respectively arranged on the upper cover plate and the lower cover plate, and the two flexible belts pass through the U-shaped tube respectively. vertical section and wrap around the clasp.

Preferably, a chute is provided on the retracting rack, and an adjustment bolt that can move along the length direction of the chute is fixed on the pawl. When the locking mechanism is in an unlocked state, the adjustment bolt drives the ratchet along the length direction of the chute. The claw is separated from the one-way internal gear.

Preferably, one end of the rotating shaft of the turntable passes through the upper cover plate, and a retracting push rod perpendicular to the extending direction of the rotating shaft is provided on the top of the rotating shaft. Turning the retracting push rod can drive the rotation of the turntable.

Further, preferably, there is a through groove on the upper cover plate, one end of the torsion spring is fixed on the upper cover plate, and the other end extends to the upper cover plate along the end that abuts against the ratchet and is arranged in the through groove. Make the torsion spring more stable.

In addition, bell mouth guides are respectively provided at the top of the two vertical parts of the U-shaped tube, which is beneficial to the contraction with the FIX and the flexible belt, and plays a guiding role, thereby improving the accuracy of the FIX adjustment; There is also a traction lock on the side of the vertical part, which further controls the stability of the connection between FIX and other components.

Due to the implementation of the above technical solutions, the utility model has the following advantages compared with the prior art:

The utility model separates the one-way internal gear and the pawl, and rotates the turntable to make the flexible belt expand and contract, thereby achieving the purpose of the retractor. Locking achieves the purpose of locking. In addition, the utility model adopts a simple structure and good maneuverability.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram (front) of an adjustment mechanism according to the present invention;

Fig. 2 is a three-dimensional schematic diagram (reverse side) of the adjustment mechanism according to the present invention;

Fig. 3 is a partial schematic view of the adjustment mechanism according to the present invention;

Fig. 4 is the schematic diagram that according to the utility model FIX is in the elongated state;

Fig. 5 is the schematic diagram that according to the utility model FIX is in contraction state;

Among them: 1. FIX; 2. Flexible belt; 3. Retractor; 30. Retracting rack; 300. U-shaped tube; 301. Upper cover; a. Chute; b. Through groove; 302. Lower cover ; 31, rotating shaft; 32, turntable; 320, clasp; 33, one-way internal gear; 34, ratchet; 35, locking mechanism; 350, unlock push rod; 351, torsion spring; Retracting push rod; 5. Adjusting bolt; 6. Bell mouth guide; 7. Traction lock.

Detailed ways

As shown in FIGS. 1 to 5 , the manual adjustment mechanism of FIX according to this embodiment mainly includes a flexible belt 2 fixed on the FIX1 at one end, and a retractor 3 for adjusting the contraction or extension of the flexible belt 2 .

In this example, there are two above-mentioned FIX1s and two flexible belts 2 . At the same time, the above-mentioned retractor 3 includes a retracting frame 30, a rotating shaft 31 rotatably arranged on the retracting frame 30, a rotating disk 32 fixed on the rotating shaft 31, and a one-way internal gear concentric with the rotating disk 32 and arranged inside the rotating disk. 33. The ratchet 34 that can be adjustedly arranged on the retracting frame 30 and meshes with the one-way internal gear 33, and the locking mechanism 35 for locking the ratchet 34 and the one-way internal gear 33 relative to each other, wherein the turntable 32 There is a buckle 320 on the top, and the other ends of the two flexible belts 2 are respectively wound on the buckle 320. When the locking mechanism 35 is unlocked, the one-way internal gear 33 is separated from the pawl 34, and the rotation of the turntable 32 can drive the flexible belt 1 to expand and contract. , when the locking mechanism 35 is locked, the one-way internal gear 33 is engaged with the pawl 34, and the turntable 32 cannot rotate.

Further, the retracting frame 30 includes a hollow U-shaped tube 300 inside, an upper cover plate 301 arranged on both sides of the bottom of the U-shaped tube 300 and connected to two vertical parts of the U-shaped tube 300 at both ends, and The lower cover plate 302, the turntable 32 is located between the upper cover plate 301 and the lower cover plate 302, and the two ends of the rotating shaft 31 of the turntable 32 are respectively arranged on the upper cover plate 301 and the lower cover plate 302, and the two flexible belts 2 are respectively worn Pass through the vertical portion of the U-shaped tube 300 and wrap around the buckle 320 .

More specifically, one end of the rotating shaft 31 of the turntable 32 passes through the upper cover 301 , and a retracting push rod 4 perpendicular to the extending direction of the rotating shaft 31 is provided on the top of the rotating shaft 31 . Rotating the retracting push rod 4 can drive the rotation of the rotating disk 32 .

In this example, the above-mentioned locking mechanism 35 includes an unlocking push rod 350 rotatably arranged on the retracting frame 30 (ie, the upper cover plate 301 ), one end is in contact with the ratchet 34 , and the other end is set on the retracting frame 30 (ie, the upper cover 301 ). The torsion spring 351 on the upper cover plate 301 (in this example, a fixed method is adopted, one end of the torsion spring 351 is fixedly arranged on the upper cover plate 301), and the torsion spring 351 is fixedly arranged on the retracting frame 30 (that is, the upper cover plate 301) The limit rod 352 of. At the same time, the upper cover plate 301 is provided with a chute a and a through groove b, and the pawl 34 is fixed with an adjusting bolt 5 capable of moving along the length direction of the chute a, and one end of the torsion spring 351 is fixed on the upper cover plate 301 , the other end extends to the upper cover plate 301 along the end that interferes with the ratchet 34 and is disposed in the through groove b. Make the torsion spring 351 more stable.

Further, when the locking mechanism 35 is in the unlocked state, the pawl 34 is separated from the internal gear 33, the torsion spring 351 is in a deformed state, and moves along the length direction of the slot b; when the locking mechanism 35 is in the locked state, the torsion spring 351 naturally returns to the initial state, the pawl 34 is meshed with the internal gear 33 , the unlocking push rod 350 is in contact with the limit rod 352 , and the adjusting bolt 5 is in contact with the unlocking push rod 350 .

In addition, the top ends of the two vertical parts of the U-shaped tube 300 are respectively provided with bell mouth guides 6, which are conducive to the contraction of the FIX1 and the flexible belt 2, and play a guiding role, thereby improving the accuracy of the adjustment of the FIX1; The sides of the two vertical parts of the tube 300 are also provided with a traction lock 7, which further controls the stability of the connection between FIX1 and other components. When the traction lock 7 is locked, the FIX 1 cannot be disassembled from other connected components. When the traction lock 7 is unlocked, the FIX 1 can be disassembled from other connecting parts.

Further, as shown in Figure 4, FIX1 is in an extended state at this time, and as shown in Figure 5, FIX1 is in a contracted state at this time, the specific adjustment process of this embodiment is as follows (taking the adjustment from an extended state to a contracted state as an example):

First unlock the locking mechanism 35, specifically push the unlocking push rod 350, so that the ratchet 34 is separated from the one-way internal gear 33. At this time, the torsion spring 351 is in a deformed state and moves along the length direction of the slot b, and then pushes The push rod 4 is retracted to make the turntable 32 and the one-way internal gear 33 rotate, so that the FIX1 contracts, and then the unlocking push rod 350 is released, and the torsion spring 351 naturally returns to its original state, so that the pawl 34 meshes with the one-way internal gear 33, The unlocking push rod 350 is in contact with the limit rod 352, and the adjustment bolt 5 is in contact with the unlocking push rod 350, so that the locking mechanism 35 is locked. At this time, neither the turntable 32 nor the one-way internal gear 33 can rotate, and the FIX1 is in a stable shrinking state; Similarly, the contraction state of FIX is adjusted to the elongation state as follows:

After unlocking the locking mechanism 35, push the retracting push rod 4 in the opposite direction and pull the FIX seat 1 to the position shown in Fig. stable elongated state.

The utility model has been described in detail above, its purpose is to allow those familiar with the technology in this field to understand the content of the utility model and implement it, and can not limit the scope of protection of the utility model. All equivalent changes or modifications made in essence shall fall within the protection scope of the present utility model.

Claims (8)

1. the manual adjustment means of a FIX, it comprises that an end is fixed on the flexible-belt on FIX, for regulating the described flexible taking-up device of flexible-belt, it is characterized in that: described taking-up device comprises and furls frame, described in being arranged on rotationally, furl the rotating shaft on frame, be fixed on the rotating disk in described rotating shaft, concentric and be arranged on the unidirectional inner gear of rotating disk inside with described rotating disk, can regulate described in being arranged on furls on frame and the ratchet being meshed with described unidirectional inner gear, and for the lockout mechanism with the relative locking of described unidirectional inner gear by described ratchet, wherein on described rotating disk, be provided with clasp, the other end of described flexible-belt is wrapped on described clasp, during described lockout mechanism release, described unidirectional inner gear is separated with described ratchet, described dial rotation can drive described flexible-belt flexible, when described lockout mechanism locks, described unidirectional inner gear and the engagement of described ratchet, described rotating disk cannot rotate.

2. the manual adjustment means of FIX according to claim 1, it is characterized in that: described lockout mechanism comprises described in being located at rotationally and furls the release push rod on frame, one end is conflicted on described ratchet, the other end furls the torsion spring on frame described in being arranged on, and described in being fixedly installed on, furl the position-limited lever on frame, when described lockout mechanism is during in released state, described ratchet is separated with described unidirectional inner gear, and described torsion spring is in deformed state; When described lockout mechanism is in the lock state, described torsion spring restPoses, and described ratchet is meshed with described unidirectional inner gear, and described release push rod is conflicted on described position-limited lever, and described regulation cock is conflicted on described release push rod.

3. the manual adjustment means of FIX according to claim 2, it is characterized in that: the described frame that furls comprises that inside is the U-shaped pipe of hollow, is arranged on upper cover plate and the lower cover of both sides two vertical portions that both ends are connected to respectively described U-shaped pipe of described U-shaped pipe bottom, described rotating disk is between described upper cover plate and described lower cover, and the rotating shaft both ends of described rotating disk are arranged on respectively on described upper cover plate and lower cover, and two described flexible-belts pass respectively the vertical portion of described U-shaped pipe and are wrapped on described clasp.

4. the manual adjustment means of FIX according to claim 3, it is characterized in that: the described frame that furls is provided with chute, on described ratchet, be fixed with the regulation cock that can move along described chute length direction, when described lockout mechanism is during in released state, described regulation cock drives described ratchet separated with described unidirectional inner gear along the length direction of described chute.

5. the manual adjustment means of FIX according to claim 3, is characterized in that: rotating shaft one end of described rotating disk passes described upper cover plate, and is provided with the push rod that furls perpendicular to described rotating shaft bearing of trend at described rotating shaft top.

6. the manual adjustment means of FIX according to claim 5, it is characterized in that: on described upper cover plate, also have groove, described torsion spring one end is fixed on described upper cover plate, and the other end is extended to described upper cover plate in the end of described ratchet and is arranged in described groove along conflicting.

7. the manual adjustment means of FIX according to claim 3, is characterized in that: the top ends in two vertical portions of described U-shaped pipe is provided with respectively exit skirt guide.

8. the manual adjustment means of FIX according to claim 3, is characterized in that: the sidepiece in two vertical portions of described U-shaped pipe is also provided with traction lock.

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