KR20020049986A - Anchor assembly of a seat belt for an automobile - Google Patents

Abstract

PURPOSE: A seat belt anchor assembly is provided to pull out the belt smoothly and to reduce noise and wear generated at a time of pulling out the seat belt by installing a roller of simple structure in an anchor cover of the seat belt. CONSTITUTION: A seat belt anchor assembly comprises a roller(40), a bearing(50), and a cover(60). The roller(40) is laterally disposed in a webbing hole(36) to guide a seat belt in its longitudinal direction. Opposite resting ends(42) are formed in the roller(40). The bearings(50) support the opposite resting ends(42) of the roller(40) rotatably in a condition that are rest on bearing resting portions(50') formed in an anchor main body(30). The covers(60) are coupled to the anchor main body(30) on the either side thereof facing the bearing resting portions(50') so that the bearings(50) are not deviated from the bearing resting portions(50').

Description

Seat belt anchor assembly for automobiles {ANCHOR ASSEMBLY OF A SEAT BELT FOR AN AUTOMOBILE}

The present invention relates to a seat belt anchor assembly for an automobile, and more particularly, by installing a roller of a simple structure on the anchor cover of the seat belt to reduce the noise and abrasion generated when the belt is taken out and to smoothly pull the belt, The present invention relates to a seat belt anchor assembly for automobiles, which is capable of assembling rollers and bearings in one direction to improve assembly and productivity.

In general, a vehicle is provided with a front seat and a rear seat, and a multi-row vehicle such as an RV vehicle is provided with more rows of seats. These seats consist of a seat cushion which is a part of the occupant's seat and a seat back which is a part of the back. In some cases, a head rest that can rest against the head is provided on the upper part of the seat back.

In particular, the front seat is divided into a driver's seat and a passenger seat, so that the height and position of the seat can be adjusted according to the driver's and passenger's body, respectively. 1 is a schematic view showing a mounting state of a conventional seat belt anchor. The seat belt 4 is detachably provided in the center pillar 2 arranged at the intermediate point of the vehicle body, and the seat belt 4 is smoothly drawn out along the longitudinal direction by the anchor 6. The anchor 6 is fixed to the height adjuster, it is possible to adjust the height of the seat belt to fit the body of the occupant.

2 and 3 are perspective views showing different examples of the conventional anchor assembly, respectively. First, looking at the anchor assembly 6 shown in Figure 2, the fastening hole (6a) is inserted into the bolt fixing for fixing to the center pillar is provided, the lower portion of the webbing hole that can be freely pulled out seat belt ( 8a) is formed. After assembly, the lower end 8 of the anchor assembly can be flowed in the lateral direction to facilitate the withdrawal of the seat belt.

3 is a perspective view showing another example of a conventional anchor assembly. As shown, the anchor body 10 is formed with a fastening hole 12 into which the fastener 14 is inserted, and the webbing hole 18 is formed long at the central point. In addition, the anchor assembly is provided with a roller 22 for guiding the webbing to be smoothly drawn out. After assembling the shaft 20 to the inner hole 22b of the roller 22 for the assembly of the roller 22, both ends of the shaft 20 pass through the holder 16a formed in the anchor body 10. It is rotatably supported by the bearing 24.

4 shows the assembly of the anchor assembly shown in FIG. In assembling, first, the roller 22 is inserted in the direction of the arrow P1 and placed in the center position of the holder 16a. Then, the shaft 22 is inserted along the arrow direction P2. It is assembled by penetrating through the inner hole 22b. Next, bearings 24 are fitted to both ends of the shaft 20 so as to be rotatably supported.

Conventional automobile seat belt anchor assembly having such a configuration is difficult to maintain the initial performance for a long time because the bearing structure is coupled to both ends of the shaft and the contact area is wide, and contact due to deformation due to wear and stress There is a problem that noise occurs. In addition, since the shaft must penetrate the holder, the size of the holder must be increased in terms of rigidity, and in order to reduce the size of the holder, the shaft must be made smaller. As shown in the drawing, the load is concentrated at both ends of the shaft, so that the deformation This occurs intensively and is disadvantageous in terms of rigidity. In assembling, the rollers should be placed in the center position of the holder in the upward direction, and the shafts must be inserted through the shaft in the lateral direction, and then the bearings must be fitted in both directions. Even though this requires several additional equipments, the cost of equipment is increased.

The present invention for solving this problem can improve the assembly and productivity by simply configuring the roller for guiding the extraction of the webbing, it can provide convenience to the occupant by reducing the friction and noise due to the adoption of the roller It is an object of the present invention to provide a seat belt anchor assembly for a vehicle.

1 is a schematic view showing a mounting state of the anchor of a general seat belt,

Figure 2 is a perspective view showing an example of a conventional anchor assembly,

3 is a perspective view showing another example of a conventional anchor assembly,

4 is a cross-sectional view showing an assembly process of the anchor assembly shown in FIG.

5 is a front view showing the anchor assembly according to the present invention,

6 is a cross-sectional view of the anchor assembly shown in FIG.

FIG. 7 is a cross-sectional view taken along the line A-A of FIG. 6, showing a combined state of the roller and the cover.

8A and 8B are side views schematically showing a mounting state of the anchor assembly according to the present invention;

9 is a cross-sectional view showing an assembly process of the anchor assembly according to the present invention.

[Explanation of symbols on the main parts of the drawings]

30: Anchor body 32: Tightening hole

36: webbing hall 40: roller

42: Seating end 50: Roller bearing

50 ': Bearing seat 60: Cover

An automobile seat belt anchor assembly of the present invention for achieving the above object is mounted on a center pillar to guide the longitudinal movement of the seat belt anchor assembly for the vehicle, the anchor body for guiding the longitudinal direction of the seat belt A roller disposed transversely in the webbing hole of the roller having a seating end formed at both ends thereof, a bearing for rotatably supporting both seating ends of the roller in a state of being seated on a bearing seating portion formed in the anchor body, and the bearing being separated It characterized in that it comprises a cover coupled to the anchor body opposite the bearing seating portion.

Hereinafter, with reference to the accompanying Figures 5 to 9 will be described in detail with respect to the seat belt anchor assembly for a vehicle according to the preferred embodiment of the present invention, the conventional seat belt will be described by quoting the same number.

Figure 5 is a front view showing the anchor assembly according to the invention, Figure 6 is a cross-sectional view of the anchor assembly shown in Figure 5, Figure 7 is a cross-sectional view taken along the line AA of Figure 6, showing a combined state of the roller and the cover Drawing.

As shown in these figures, a fastening hole 32 and a webbing hole 36 are formed in the main body 30 of the anchor assembly as in the prior art, and the webbing hole 36 has a smooth longitudinal drawing of the seat belt. Roller 40 according to the invention of the simple structure for guiding to be made is installed. As shown in FIG. 6 in more detail, the mounting end 42 formed in the both ends of this roller 40 is attached to the bearing seating part 50 'provided in the lower end of the anchor main body 30 via the bearing 50. FIG. It is rotatably mounted.

The cover 60, as shown in FIG. 7, is coupled to the bearing seating portion 50 ′, thereby preventing separation of the roller 40 and the bearing 50. As such, the roller 40 according to the preferred embodiment of the present invention is simply supported by the bearing 50 without using a separate shaft or holder as in the prior art, and the overall structure is simple, and the seat belt 4 It is possible to sufficiently absorb the friction force transmitted at the time of withdrawal by the roller 40. As a result, the roller 40 of the present invention serves as a shaft through both seating ends 42.

8A shows a state where the seat belt 4 is fitted to the anchor assembly of the present invention. In this way, since the webbing of the seat belt 4 is wound around the roller 40, the friction force can be reduced by rotating the roller 40 also at the time of withdrawal of the belt 4. At this time, since the direction in which the belt is pulled and the coupling direction of the cover 60 are reversed, a force is applied when the occupant pulls the belt, thereby preventing the cover 60 from being separated. That is, in the structure of the present invention, the bearing 50 itself is not rotated but is in contact with the cover 60, thereby essentially eliminating only the cover 60 when a large load is applied from the outside such as a collision accident. . 8B is a side view illustrating a process of assembling the cover 60, which will be described in more detail with reference to FIG. 9.

9 is a cross-sectional view showing the assembly process of the anchor assembly according to the present invention. As shown, a fastening hole 32 and a webbing hole 36 are formed in the main body 30 constituting the anchor assembly of the present invention, and a bearing seating portion 50 'is provided at the lower end of the webbing hole 36. Is formed. The bearing seat 50 'is also provided with a lid engaging portion 60' for mounting the lid 60.

Therefore, at the time of assembly, the bearing 50 is moved along the arrow direction P1 'in a state in which the bearings 50 are fitted to both seating ends 42 of the rollers 40, so that the bearings 50 are connected to the bearing seats ( 50 '). Next, the assembly of the anchor assembly is completed by moving the lid 60 along the arrow direction p2 'and engaging the lid coupling portion 60'. Thus, since both the roller 40 and the cover 60 are assembled by moving from the downward direction, assemblability and productivity are improved.

According to the present invention described above, by installing a roller of a simple structure on the anchor cover of the seat belt to reduce the noise and wear caused when the belt is pulled out, the belt is pulled smoothly, assembling the roller and the bearing in one direction And there is an advantage to improve the productivity.

Claims (1)

An automobile seat belt anchor assembly mounted to a center pillar to guide longitudinal movement of the seat belt, A roller 40 disposed transversely in the webbing hole 36 of the anchor body 30 for guiding the longitudinal direction of the seat belt 4, and having a seating end 42 formed at both ends thereof; A bearing 50 rotatably supporting both seating ends 42 of the roller 40 in a state of being seated on a bearing seating portion 50 'formed in the anchor body 30; Automobile seat belt anchor assembly characterized in that it comprises a cover (60) coupled to the anchor body (30) opposite the bearing seating portion (50 ') so that the bearing (50) is not separated.