TWM530555U - Belt adjuster of seat belt - Google Patents

Description

Seat belt adjuster

The present invention relates to a webbing belt adjuster for a seat belt, and more particularly to a belt mechanism for a motor vehicle, which provides a web adjuster for adjusting the position of the webbing on the body according to the height, safety and comfort of the user.

The seat belt mechanism is a mechanism that is used in a car to provide safety protection for a driver or a passenger seated on a seat. Generally speaking, the crimping device of the seat belt mechanism is installed on the side of the seat of the automobile body, and the webbing of the belt mechanism is pulled out from the crimper, first passes through the upper guide ring, and the webbing is further turned up and down. It is placed obliquely on the front side of the user's body, and then the tongue on the webbing is inserted into the seat buckle on the other side of the seat, so that the webbing of the seat belt restrains the user's body to the seat.

In the current seat belt mechanism of a general vehicle, in order to provide the safety and comfort when the user wears the seat belt, the guide ring installed in the automobile body is of a highly adjustable structure for providing the user according to his height. Adjust the height of the guide ring to prevent the webbing from abutting against the user's neck and improving comfort. However, although the guide ring installed in the automobile body has a highly adjustable structure, the adjustable distance is short and the segment height adjustment structure is difficult to meet the needs of different users.

As for a general truck, a truck, or an off-road vehicle, the guide ring installed in the body of the automobile is of a fixed height structure, and the height adjustment cannot be performed. For the driving or passengers of vehicles such as trucks, trucks, or off-road vehicles, The position of the webbing attached to the body is inappropriate and unsafe and uncomfortable. In this regard, there is a need for further improvement.

The main purpose of this creation is to provide a webbing belt adjuster for the seat belt, which solves the existing guide belt of the seat belt with a segmental adjustment structure, can not meet the needs of different users, and the guide ring of the seat belt of some vehicles cannot be adjusted highly. The problem is that the seat belt is uncomfortable on the body.

In order to solve the foregoing prior art problem, the webbing adjuster of the seat belt of the present invention comprises: a base comprising a body, a clamping bevel and a webbing guiding portion, the clamping bevel being formed on the seat a front side of the body, and the clamping slope is a slope inclined from the rear upper side toward the front lower side, the webbing guiding portion is formed on the top of the seat body and above the clamping inclined surface; a clamping rod is horizontally arranged to be vertically displaced The slanting front side of the pedestal is located below the webbing guiding portion of the pedestal; a frame is assembled on the pedestal, and a longitudinal guiding groove is formed on each side of the framing, the two ends of the clamping rod And extending into the two longitudinal guide grooves respectively, and being vertically movable along the two longitudinal guide grooves; and an operating member capable of being sleeved up and down on the outer side of the base and the frame, the operating member including an up and down movement a space, and an ejector structure located within the active space, the ejector structure being located within the longitudinal channel and below the clamping bar and capable of pushing the clamping bar up.

Created by the front belt buckle adjuster, it can be installed on the rear section of the webbing in the vertical direction between the belt and the upper guide ring of the vehicle body, and the webbing is provided for obliquely The front section of the webbing on the user's body passes through the clamping section of the clamping rod and the base, and is locked to the upper section of the front section of the webbing, and can be unlocked by the operating member and can be moved up and down, and After the force acting on the operating member is removed, the webbing adjuster uses the tension of the webbing to push the gripping rod to the clamping ramp to automatically return to the locked state, so that the webbing adjuster has the stepless adjustment position. The function makes it easy to adjust the position of the seat belt and enhance the safety and comfort of the user's seat belt.

In the operation of the original webbing adjuster to adjust the height position of the belt up and down, the user only needs to apply downward pressure on the frame relative to the front section of the webbing via the operating member, so that the base moves downward relative to the front section of the webbing. The clamping rod is disengaged from the clamping slope of the base by the friction of the front portion of the webbing, or the user can also move the handheld operating member relative to the front portion of the webbing, and the clamping rod is pushed up by the pushing structure of the operating member. The detachment of the slanting surface of the pedestal, etc., can temporarily disable the function of locking the front section of the webbing adjuster, and can move the entire webbing adjuster up or down along the front section of the webbing until the webbing is adjusted. After the height position is adjusted, the height is released, that is, the tension of the front section of the webbing pushes the clamping rod to the clamping slope, and automatically returns to the state of clamping the front section of the locking webbing, thereby making the webbing adjuster operationally Excellent simplicity.

As shown in FIG. 1, a preferred embodiment of the webbing adjuster of the present invention is a webbing adjuster 10 comprising a base 20, a clamping bar 30, a frame 40 and an operating member 50.

As shown in FIG. 1 and FIG. 2, the base 20 includes a base body 21, a clamping slope 22, and a webbing guiding portion 23 formed on a front side of the seat body 21, the clamping slope 22 It is a slope that slopes from the upper rear toward the front and lower. The webbing guide 23 is formed on the top of the seat body 21 and above the gripping ramp 22. The base 20 can also be provided with a lower guiding rod portion 24 at the bottom of the seat body 21 and at the bottom edge of the clamping slope 22, and a slot is formed between the lower guiding rod portion 24 and the bottom edge of the clamping slope 22. 25.

As shown in FIG. 1 and FIG. 2, in the preferred embodiment, the base body 21 includes two side plates 211, and the clamping slope 22 is located between the two side plates 211. The webbing guiding portion 23 is formed on the two side plates. Between the top ends of the 211, the lower guiding rod portion 24 is formed between the front ends of the two side plates 211, and the outer sides of the two side plates 211 may further form the engaging protrusions 212, respectively. The seat body 21 forms a plurality of lateral reinforcing ribs 213 with respect to the back surface of the clamping ramp 22 to lift the mechanical strength of the base 20.

As shown in FIG. 1 , FIG. 3 and FIG. 5 , the clamping rod 30 is horizontally disposed on the front side of the clamping slope 22 of the base 20 so as to be vertically movable, and is located at the web guiding portion 23 and the lower guide of the base 20 . Between the mast portions 24. In the preferred embodiment, an outer circumferential surface of the clamping rod 30 can also form a ring groove 31.

As shown in FIG. 1 , FIG. 3 and FIG. 5 , the frame 40 is assembled on the base 20 , and the frame includes a frame body 41 and a frame plate 42 on the left and right sides of the frame body 41 . A longitudinal guide groove 43 is formed in each of the plates 42 to extend the two longitudinal guide grooves 43 respectively and can be displaced up and down along the two longitudinal guide grooves 43. The back of the frame body 41 is located outside the back of the base 20, and a space between the back of the frame body 41 and the back of the base 20 can be formed. In the preferred embodiment, the ring grooves 31 at the two ends of the clamping rod 30 are respectively sleeved on the groove sides of the two longitudinal guiding grooves 43, and the bracket plates 42 on the two sides of the frame body 41 can respectively form a snap groove. 411, the frame 40 is disposed on the base 20, and the latching protrusions 212 on the two sides of the base 20 are respectively engaged in the corresponding latching slots 411, and a limiting slot 412 is formed in the back of the frame 40. .

As shown in FIG. 1 , FIG. 3 and FIG. 5 , the operating member 50 is sleeved on the outer side of the base 20 and the frame 40 . The operating member 50 includes a body 51 and an ejector structure. A movable space is formed in the upper and lower sides. The ejector structure is disposed in the movable space of the body 51, and can push the clamping rod 30 to rise and the ejector top frame 40 to descend. In the preferred embodiment, the ejector structure has two ejector bumps 53 respectively formed on the inner wall surface of the left and right side walls of the movable space in the body 51. An inner wall surface of the left and right side walls of the movable space forms a lifting guide groove 52 with respect to the top of the pushing protrusion 53. The lifting guide groove 52 respectively provides an end portion of the clamping rod 30 into which the second pushing top 53 is protruded. They extend into the corresponding longitudinal guides 43 of the frame 40 and are located below the ends of the clamping bars 30, respectively. The back of the operating member 50 is located at the back of the frame 40. A limiting block 54 is formed on the back of the operating member 50. The limiting block 54 is located in the limiting slot 412 of the frame 40, and the limiting block is used by the limiting slot 412. The limit of 54 limits the range of motion of the operating member 50 relative to the base 20 and the frame 40.

As shown in FIGS. 5 and 6, when the webbing adjuster 10 of the present invention is applied to the webbing 70 of the webbing mechanism, the back of the frame 40 of the webbing adjuster 10 and the back of the base 20 are vertically penetrated. The space provides a webbing rear section 702 in which the self-retractor 71 extends between the guide rings 72 in the motor vehicle. Alternatively, the webbing rear section 702 extending from the crimper 71 to the guide ring 72 may not pass through a space that is vertically penetrated between the back of the frame 40 and the back of the base 20. As shown in FIG. 5, the webbing adjuster 10 further includes an elastic body 60 and a connecting member 61. The elastic body 60 passes through the space between the back of the frame 40 and the back of the base 20 to the operating member 50. A loop is formed on the outside of the back, and the connecting member 61 is coupled to the elastic body 60 and the webbing 70 is located on the webbing rear section 702 below the guide ring 72.

Further, the webbing 70 is used in the webbing front end portion 701 which is obliquely attached to the user's body, and the webbing front section 701 passing through the guide ring 72 passes through the top of the operating member 50. After passing through the webbing guiding portion 23 at the top of the base 20 and the clamping rod 30 below it, the clamping inclined surface 22 of the base 20 passes through the lower guiding rod portion 24 at the bottom of the base 20 and the clamping inclined surface. A slot 25 between the bottom edges extends beyond the bottom of the webbing adjuster 10.

As shown in FIG. 6 and FIG. 7, when the webbing adjuster 10 locks the webbing 70, the webbing front portion 701 is provided by the webbing guide portion 23 at the top of the base 20 to abut the gripping rod 30 to make the webbing The tension of 70 produces the required force component to push the clamping bar 30 to the clamping ramp 22 of the base 20, the clamping bar 30 grips the webbing front section 701 opposite the clamping ramp 22, and utilizes the webbing front section 701 and the clip The holding bar 30, the gripping slope 22 of the webbing 70 and the base 20, and the friction between the clamping bar 30 and the longitudinal guide groove 43 of the frame 40 can be generated when the webbing 70 has a downward movement relative to the base 20. Automatic locking function.

As shown in FIG. 6 and FIG. 7, when the user wants to raise the height position of the webbing adjuster 10, the user holds the operating member 50 and the webbing 70 upwardly with respect to the base 20, and the left and right sides of the operating member 50 are operated. The push-up projection 53 pushes the top clamping bar 30 away from the clamping ramp 22 of the base 20, temporarily disabling the function of the webbing adjuster 10 to lock the webbing front section 701, thereby enabling the entire webbing adjuster 10 to be along the front section of the webbing. The portion 701 is moved upward, and the webbing front portion 701 can be detached from the clamping bevel 22 of the base 20 and the clamping bar 30, so that the webbing adjuster 10 can adjust its positioning on the webbing 70 in a stepless manner. Height position.

As shown in FIG. 6, FIG. 7, and FIG. 8, when the user wants to lower the height position of the webbing adjuster 10, the user holds the operating member 50 and the webbing 70 to move the operating member 50 downward relative to the base 20. The ejector block 53 of the operating member 50 and the limiting block 54 on the back side press the frame 40 and the pedestal 20 downward, and the pedestal 20 is moved downward relative to the anterior portion 701 of the webbing, and the clamping rod 30 is caused by the front section of the webbing. The friction between the portions 701 is retracted from the clamping ramp 22, and the function of the webbing adjuster 10 to lock the webbing front portion 701 is temporarily disabled, and the entire webbing adjuster 10 can be moved down the webbing front portion 701 to reach no stage. The purpose of adjusting the height position on the front section 701 of the webbing is adjusted.

When the user raises or lowers the height position of the webbing adjuster 10 at the front end portion 701 of the webbing, the webbing adjuster automatically locks the webbing by pushing the gripping rod 30 to the gripping chamfer 22 again by the tension of the front section of the webbing. Front section 701.

10‧‧‧web adjuster
20‧‧‧ Pedestal
21‧‧‧ body
211‧‧‧ side panels
212‧‧‧Clamping bumps
213‧‧‧Reinforced ribs
22‧‧‧Clamping bevel
23‧‧‧Webbing Guide
24‧‧‧ lower guide rod
25‧‧‧through slot
30‧‧‧Clamping rod
31‧‧‧ Ring groove
40‧‧‧Frame
41‧‧‧ ‧ frame
411‧‧‧ card slot
412‧‧‧Limited slot
42‧‧‧ ‧ boards
43‧‧‧Longitudinal guide
50‧‧‧Operating components
51‧‧‧Ontology
52‧‧‧ Lifting guide
53‧‧‧Pushing the top bump
54‧‧‧Limited blocks
60‧‧‧ Elastomers
61‧‧‧Connecting parts
70‧‧‧webbing
701‧‧‧The front section of the webbing
702‧‧‧The back section of the webbing
71‧‧‧Retractor
72‧‧‧Guide ring

1 is a perspective exploded view of a preferred embodiment of a webbing adjuster of the present invention. 2 is a perspective view of the back side of the base of the preferred embodiment of the webbing adjuster of FIG. 1. Figure 3 is a perspective view of the preferred embodiment of the webbing adjuster of Figure 1. 4 is a rear perspective view of the preferred embodiment of the webbing adjuster of FIG. 1. Figure 5 is a cross-sectional view showing the preferred embodiment of the webbing adjuster of Figure 1 applied to a seat belt. Fig. 6 is a view showing an implementation state of a preferred embodiment of the webbing adjuster shown in Fig. 1 applied to a seat belt. Figure 7 is a cross-sectional view showing the operation member of the preferred embodiment of the webbing adjuster of Figure 1 being pushed up to disengage the front section of the webbing from the clamped state. Figure 8 is a cross-sectional view showing the operation member of the preferred embodiment of the webbing adjuster of Figure 1 being moved downward to disengage the webbing from the clamped state.

20‧‧‧ Pedestal

22‧‧‧Clamping bevel

23‧‧‧Webbing Guide

24‧‧‧ lower guide rod

25‧‧‧through slot

30‧‧‧Clamping rod

40‧‧‧Frame

41‧‧‧ ‧ frame

412‧‧‧Limited slot

43‧‧‧Longitudinal guide

50‧‧‧Operating components

53‧‧‧Pushing the top bump

54‧‧‧Limited blocks

60‧‧‧ Elastomers

61‧‧‧Connecting parts

70‧‧‧webbing

701‧‧‧The front section of the webbing

702‧‧‧The back section of the webbing

72‧‧‧Guide ring

Claims (8)

A webbing adjuster for a seat belt, comprising: a base comprising a body, a clamping bevel and a web guiding portion, the clamping bevel is formed on the front side of the seat body, and the clamping bevel is rearward a slanting surface inclined upwardly and downwardly, the webbing guiding portion is formed on the top of the pedestal body and located above the slanting slanting surface; a clamping rod is horizontally disposed on the front side of the slanting side of the pedestal And a frame is disposed on the base, and a frame is formed on each side of the frame, and a longitudinal guide groove is formed on each side of the frame, and the two ends of the clamping rod respectively extend into the two longitudinal guide grooves, and can Displacement along the two longitudinal guide grooves; and an operating member that is sleeved up and down on the outer side of the base and the frame, the operating member includes an upper and lower movable space, and an ejector structure located in the movable space The ejector structure is located in the longitudinal guide groove and is under the clamping rod and can push the clamping rod to rise. The webbing adjuster of the seat belt of claim 1, wherein the webbing adjuster further comprises an elastic band and a connecting member, the elastic band is disposed around the operating member and the back of the frame, the connecting member is connected to the connecting member Elastic band. The webbing adjuster of the seat belt of claim 2, wherein the base is provided with a lower guiding rod portion at the bottom of the seat body and in front of the bottom edge of the clamping slope, the lower guiding rod portion being located at the clamping A groove is formed under the rod and a gap between the lower guiding rod portion and the bottom edge of the clamping slope. A webbing adjuster for a seat belt according to any one of claims 1 to 3, wherein the seat body comprises two side plates, the holding bevel is located between the two side plates, and the webbing guiding portion is formed on the two side plates Between the top front ends, the lower guiding rod portion is formed between the front ends of the two side plates, and the outer side surfaces of the two side plates respectively form a latching protrusion, and the two sides of the frame respectively form a snap groove, the base The latching lugs on the two sides are respectively engaged in the corresponding latching slots. The webbing adjuster of the seat belt of claim 4, wherein a ring groove is formed at each end of the clamping rod, and the ring grooves at the two ends of the clamping rod are respectively sleeved in the slots of the two longitudinal guiding grooves of the frame. side. A webbing adjuster for a seat belt according to any one of claims 1 to 3, wherein the ejector structure of the operating member has two ejector tabs respectively formed on the operating member a lower portion of the inner wall surface of the left and right side walls of the movable space, the operating member forming an elevation guide groove on the inner wall surface of the left and right side walls of the movable space, and the lifting guide groove respectively providing the end portion of the clamping rod The two push-up bumps respectively extend into the corresponding longitudinal guide grooves of the frame and are located below the end of the clamping rod. The webbing adjuster of the seat belt of claim 4, wherein the ejector structure of the operating member has two ejector tabs respectively formed on the left and right side walls of the movable space of the operating member a lower surface of the inner wall surface, the inner wall surface of the left and right side walls of the movable space respectively form an lifting guide groove with respect to the upper side of the pushing protrusion, and the lifting guiding groove respectively provides an end portion of the clamping rod into which the second pushing portion The top projections respectively extend into the corresponding longitudinal guide slots of the frame and are located below the ends of the clamping bars. The webbing adjuster of the seat belt of claim 5, wherein the ejector structure of the operating member has two ejector tabs respectively formed on the left and right side walls of the movable space of the operating member a lower surface of the inner wall surface, the inner wall surface of the left and right side walls of the movable space respectively form an lifting guide groove with respect to the upper side of the pushing protrusion, and the lifting guiding groove respectively provides an end portion of the clamping rod into which the second pushing portion The top projections respectively extend into the corresponding longitudinal guide slots of the frame and are located below the ends of the clamping bars.