JPH04123858U - Shoulder belt anchor adjustment device - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to reduce the weight and improve workability by thinning the slide base without reducing the strength of the mounting part for swinging the through anchor. To provide an inexpensive and good shoulder belt anchor adjustment device that can firmly fix a slide base and a plate and improve the reliability of supporting a lock pin in a slide member. [Structure] After separately creating a nut 5 for screwing the bolt 9 that swingably supports the through anchor 21, the nut 5 is attached to the slide base 2 and plate 3, which are formed by a thin metal flat plate. It definitely stuck. One end of the slide base 2 and the plate 3 are directly fixed by a fastening means, and the other end is used as a fastening means that is easy to assemble, and these are firmly fixed.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is used in vehicle seat belt devices, and the shoulder belt can be adjusted according to the occupant's physique etc. Improved shoulder belt anchor adjustment device that can adjust the support height of the shoulder belt Regarding.

0002

[Conventional technology]

Conventionally, seatbelt devices for safely holding vehicle occupants in their seats There is a three-point seatbelt device using continuous webbing.

0003 In this type of seat belt device, as shown in FIG. 6, one end of the webbing 22 is It is locked to the retractor (winding device) 27, and the other end passes through the through anchor 23. The anchor plate 28 is pivotally supported at the lower end of the center pillar 29. The middle part of the webbing between the anchor plate 28 and the through anchor 23 The through tongue 24 disposed in By doing so, the occupant is restrained in the seat 30.

0004 Furthermore, in this type of three-point seat belt system, the seat belt is adjusted to suit the physique of the occupant. The effective length of the webbing 22 can be adjusted, and the webbing 22 can be accurately attached to the shoulder area of the passenger. In order to attach the through anchor 23 to the center pillar 29, Shoulder belt that can be moved freely up and down to adjust the support height of the shoulder belt. An anchor adjustment device 31 is employed.

[0005] The shoulder belt anchor adjustment device 31 is configured, for example, as shown in FIG. Moves up and down guided by guide rails 37 provided in the center pillar 29 A slide member 40 may be provided, and the through anchor 23 may be attached to the slide member 40. The configuration is such that the The slide member 40 is attached to the guide rail. At each of multiple positions in the vertical direction of the lever 37, downward movement is prevented via restraint means. The guide rail 37 is configured to restrain the guide rail 37 in this state.

[0006] The guide rail 37 is fastened to the center pillar 29 in the vehicle interior. It consists of a steel plate with a roughly U-shaped cross section that is fixed to the body. It has a plurality of locking holes 44 with curved guide shafts at both ends thereof. A lunge 37a is provided.

[0007] The slide member 40 is located in the inner space of the guide rail 37 and slides in the guide rail 37. - A slide base onto which a bolt 39 for pivotally supporting the anchor 23 is screwed. The base 32 and both ends in the width direction fit into the guide flange 37a so as to be relatively slidable. The slider 33 is located outside the guide rail 37 and has both ends in the width direction at the front. A plate 34 faces the outer surface of the guide flange 37a with a slight distance therebetween. are fastened via countersunk screws 38 in a face-to-face state. The countersunk screw 38 is The cover plate 41 is also fastened together in a face-to-face state.

[0008] The lock pin 35 serving as a restraint means is supported by the slide member 40 and is not pressurized. It is urged in the direction of engagement with the locking hole 44 by the urging force of the compression coil spring 36. , to release the engagement with the locking hole 44 by pressing down the operation button 43. I can do it.

[0009] Then, the passenger presses down the operation button 43 and moves the slide member 40 to the desired position. After sliding the lock pin 3 to the position, release the operation button 43. 5 engages with the locking hole 44 to move the slide member 40 to the desired position on the guide rail 37. Can be restrained.

0010

[Problem that the idea aims to solve]

However, in the case of the shoulder belt anchor adjustment device as described above, the slide The through anchor is pivotably supported by a bolt screwed onto the base. Therefore, it is necessary to provide a screw hole in the slide base. Therefore, this screw hole should be In order to obtain sufficient strength, it is necessary to increase the wall thickness of the slide base to a certain extent, which increases the weight. There was a problem with it being heavy.

[0011] In addition, the slide base also has a through hole for supporting the lock pin. To fasten the slider and plate together in a face-to-face manner using holes or countersunk screws. Screw holes, etc. had to be made, and the slide base itself was made of thick plate material, so it had to be cut. Since it is difficult and requires many processing steps, there is a problem that the manufacturing cost is high.

0012 Furthermore, in the case of the above-mentioned shoulder belt anchor adjustment device, the webbing is Most of the tensile load acting on the lock pin is transmitted to the vehicle body through the lock pin. Therefore, it is necessary to improve the reliability of the lock pin support in the slide member, and Ensure that the slide base and plate that support the lock pin are firmly fixed. It is hoped that

[0013] Therefore, the purpose of this invention is to solve the above problems, and to shake the through anchor. The slide base can be made thinner without reducing the strength of the mounting part for freely movable shaft support. It is possible to reduce weight, improve workability, and slide. A lock pin on the slide member is used to firmly fix the base and plate. An inexpensive and good shoulder belt anchor style that can increase the reliability of support. The goal is to provide a joint device.

[0014]

[Means to solve the problem]

The above object of the present invention is to provide a guide rail that is attached to a vehicle body and has a plurality of locking parts. , supports the webbing through the anchor and is guided by the guide rail. a slide member movable downward; and the slide member displaceably disposed on the slide member. The guide rail engages with the locking portion at each of a plurality of positions in the vertical direction to prevent downward movement. a restraining means for restraining the sliding member so as to prevent the sliding member from being displaceable; The restraint state of the slide member by the restraint means is released by the displacement operation of the restraint means. In the shoulder belt anchor adjustment device, the shoulder belt anchor adjustment device is provided with an operation means for The guide member holds the slider in sliding contact with the guide rail and also holds the restraining hand. each has a flat slide base and a plate that movably support the stage; The slide base and the plate each have a locking means for locking one end thereof and a locking means for securing the other end. The through-hole is fixed to the slide base by a fixing means that attaches to the slide base. A nut member for screwing a bolt that swingably supports the anchor is attached to the plate. A shoulder belt anchor, characterized in that the shoulder belt is fixed in such a way that it fits through the shoulder belt. This is accomplished by a Kerr adjustment device.

[0015]

[Effect]

That is, according to the present invention, the bolt that swingably supports the through anchor is screwed. The threaded part for attaching the slide base is made up of a nut member separate from the slide base. In this case, the slide base can be formed from a thin metal flat plate. Also, For example, one end of the ride base and the plate has an engaging piece bent on one side and an engaging piece formed on the other side. Since it is directly fixed by the engagement means that engages the engagement hole opened in the The ID base and the plate can be firmly fixed.

[0016]

【Example】

Hereinafter, one embodiment of the present invention will be described in detail based on the accompanying drawings. Figure 1 shows the present invention 2 and 3 are partially sectional front views of the shoulder belt anchor adjustment device 1 according to AA cross-sectional arrow view of the shoulder belt anchor adjustment device 1 in FIG. 1 and B- It is a cross-sectional view taken along arrow B.

[0017] The shoulder belt anchor adjustment device 1 has a guide rail 17 that moves up and down in the longitudinal direction. direction, and its upper and lower ends are bolted to the center pillar 29 in the vehicle interior. 12 and is fixed to the vehicle body. The guide rail 17 has a substantially U-shaped cross section. It is made of a steel plate and has a plurality of locking holes 11 arranged in the longitudinal direction at its bottom. Both ends are provided with bent guide flanges 17a. Said The locking hole 11 has a lower half having a semicircular cross section and an upper half having a rectangular cross section. The upper edge of the portion is bent toward the center pillar to form an inclined surface 11a.

[0018] A slide that is guided by the guide rail 17 and is movable in the vertical direction. The member 42 has the slide base 2, slider 3, and plate 4 in a face-to-face state. A restraint means for restraining the movement of the slide body on the fixed slide body, and the restraint hand. An operating means for releasing the restraint state by the steps is provided, and these are covered with a cover 14. It was completed. The slider 3 is made of resin, and has longitudinal ends at both ends in the width direction. A groove 3a extending to the guide rail 17 is formed. It is fitted into the dowel flange 17a so as to be able to slide relative to it. The slide base 2 has a thin wall. The inner space of the guide rail 17 is formed by pressing a flat metal plate. , and the widthwise end portion is connected to the guide flange 17a with the slider 3 interposed therebetween. They are facing each other. As a result, the slide base 2 acts in the direction of the arrow X in FIG. The load can be supported by the guide rail 17 via the guide flange 17a. Ru. The plate 4 is made of a thin metal flat plate and is located outside the guide rail 17. Then, both ends in the width direction are opposed to the outer surface of the guide flange 17a with a slight distance therebetween. On the plate 4 are mounted an operation button 13, a cover 14, etc., which will be described later. A base 16 and a garnish 10 for installation are fixed with screws 15. .

[0019] Furthermore, an engagement piece 2a bent at a substantially right angle is provided at the upper edge of the slide base 2. is formed. The distal end portion 2b of the engagement piece 2a is formed into a substantially T-shape, and It has a wider width than other parts of the engagement piece 2a. Near the other end of slide base 2 A nut 5 is caulked and fixed to the side, allowing the through anchor 21 to swing freely. A bolt 9 for supporting the shaft is screwed. The distal end of the plate 4 has the engagement An opening 4a into which the piece 2a is inserted and fitted is formed, and the tip side of the opening 4a is It is formed into a substantially T-shape with a narrow opening width, and both ends of the tip 2b are engaged. A matching step portion 4c is formed.

[0020] Therefore, as shown in FIG. 4, the engaging piece 2 of the slide base 2, which is the engaging means, a into the opening 4a of the plate 4, and insert both ends of the tip 2b into the stepped portion 4c. By engaging the engagement piece 2a and the opening 4a, the slide base 2 and After engaging one end of the plates 4 with each other, the slider 3 is held between them. Then, the other ends of the slide base 2 and plate 4 are fixed with a rivet, which is a fixing means. Tack it using step 7.

[0021] That is, by engaging the engagement piece 2a and the opening 4a, the slide base 2 and the plate are connected. Since one end of the seat 4 is directly fixed, the other end can be fastened with rivets for easy assembly. However, these can be firmly fixed, improving ease of assembly. Ta. Also, the inner side end of the nut 5, which has a non-circular outer peripheral surface, is attached to the plate 4. Since it is assembled by fitting it into the formed fitting hole, the separately made hole can be assembled. The kit 5 can be securely fixed to the slide body. Therefore, the slide base Fixation of the bolt 9 can be guaranteed without forming a threaded part directly on the bolt 2. , since the slide base 2 can be formed from a thin metal flat plate, the slide base 2 can be formed from a thin metal plate. It became easier to process the ID base 2, and the weight of the slide body could be reduced.

[0022] With such a configuration, the slide member 42 has the slider 3 connected to the guide flange 17. By sliding against a, it is guided by the guide rail 17 and can move in the vertical direction It becomes.

[0023] The lock pin 6 as a restraint means has a shaft portion 6a, a flange portion 6b, and a large diameter shaft portion. 6c are formed on the same axis, and the shaft portion 6a is formed on the plate 4. The through hole 2c is inserted into the through hole 4b and the large diameter shaft portion 6c is formed in the slide base 2. It is supported by the slide base 2 and the plate 4 by inserting it into the slide base 2 and the plate 4. Big The diameter shaft portion 6c fits loosely into the through hole 2c and is inserted into the through hole 3c formed in the slider 3. A diagram in which the flange portion 6b located in is in contact with the slide base 2 around the through hole 2c In state 3, the guide passes through the through hole 2c and protrudes outward from the slide member 42. It enters into the locking hole 11 of the drail 17.

[0024] A return spring 8 made of a compression coil spring is wound around the shaft portion 6a. There is. The return spring 8 has one end supported by the flange portion 6b and the other end supported by the flange portion 6b. The locking pin 6 is supported by the locking hole 4 and urges the locking pin 6 in the direction of engagement with the locking hole 11. ing.

[0025] That is, the lock pin 6 is secured between the slide base 2 and the plate 4, which are firmly fixed. Since it is reliably guided and supported by the slide member 42, the webbing 22 The downward load acting on the slide member 42 via the anchor 21 is applied to the guide rail. 17, the information is reliably transmitted to the vehicle body. Therefore, the slide member 42 is The reliability of the lock pin 6 supported on the lever 17 can be improved.

[0026] An operation button 13 serving as an operation means is guided by a base 16 and a cover 14. It consists of a pair of hollow members that are movable in the width direction of the slide member 42, and the operation button is The tongues 13 are separated from each other by a return spring 18 made of a compression coil spring. is biased in the direction of The operation button 13 is provided with the lock pin 6. are linked. That is, a lock pin 6 is inserted inside each operation button 13. A wall portion 13a is provided which extends in the width direction almost to the center of the wall portion 13a. An inclined surface is formed on the inner edge of a. On the other hand, the lock pin 6 has a small diameter shaft portion 6d. A groove 6e is provided in the groove 6e, and a push nut 19 is fitted into the groove 6e. Both ends of the Schnut 19 face the inclined surface of the wall portion 13a. In the state of Figure 3 , both ends of the push nut 19 do not engage with the inclined surface of the wall portion 13a.

[0027] Therefore, from the state shown in FIG. If the push nut 19 is moved in a direction approaching the Since you will be going up the slope, move the push nut 19 in the direction of the arrow X in Figure 3. As a result, the lock pin 6 resists the biasing force of the return spring 8 and Move in the direction of arrow X in 3. At this time, the large diameter shaft portion 6c of the lock pin 6 is aligned with the guide. The lock pin 6 has completely come out of the locking hole 11 of the lock 17, and the lock pin 6 is attached to the slide member. 42 in the vertical direction.

[0028] Therefore, while holding the operation button 13, move the slide member 42 to an arbitrary position. When the lock pin 6 moves and releases the operation button 13, the lock pin 6 is attached to the return spring 8. The upper part of the slide member 42 is inserted into the locking hole 11 at the corresponding position due to the urging force. Downward movement is again restricted.

[0029] In addition, the slide base, slider, and The plates etc. are not limited to the shapes of the above examples and can be modified in various ways. Needless to say, there is a fixing means and a fixing means for fixing the slide base and the plate. The fastening means is also not limited to the means of the above embodiments.

[0030] For example, as shown in FIG. The engaging piece 2a is bent at the corner and inserted into the opening 4a formed at the tip of the plate 4. By fitting together, one end of the slide base 2 and plate 4 are engaged with each other. You can also In addition, the fixing means for fixing these other ends is not limited to rivets. , or may be fixed with screws or the like.

[0031]

[Effect of the idea]

According to the present invention, in order to screw the bolt that swingably supports the through anchor, The nut member is made separately and then securely fixed to the slide member, so the slide The ride base and the plate can be formed by a thin metal flat plate. Ma In addition, since the slide base and one end of the plate are directly fixed, it is easy to assemble the other end. These can be firmly fixed while using an easy fixing means.

[0032] Therefore, the strength of the attachment part for swingingly supporting the through anchor is reduced. The slide base can be made thinner, reducing weight and improving workability. In addition, the slide base and plate are firmly fixed, making it possible to Cheap and good product that can increase the reliability of lock pin support in ride members A shoulder belt anchor adjustment device can be provided.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway front view of a shoulder belt anchor adjustment device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along line AA of the shoulder belt anchor adjustment device shown in FIG. 1;

FIG. 3 is a sectional view taken along line BB of the shoulder belt anchor adjustment device shown in FIG. 1;

FIG. 4 is an enlarged perspective view of a main part for explaining a means for engaging the slide base and the plate shown in FIG. 1;

FIG. 5 is an enlarged perspective view of a main part for explaining a means for engaging a slide base and a plate according to another embodiment of the present invention.

FIG. 6 is a schematic perspective view for explaining the overall configuration of a three-point seat belt device.

FIG. 7 is a longitudinal sectional view of a conventional shoulder belt anchor adjustment device.

[Explanation of symbols]

1 Shoulder belt anchor adjustment device 2 Slide base 2a Engagement piece 3 Slider 3a Groove 4 plate 4a opening 5 Nut 6 Lock pin 7 Rivets 8 Return spring 9 bolts 10 Garnish 11 Locking hole 12 volts 13 Operation buttons 14 Cover 15 screws 16 base 17 Guide rail 18 Return spring 19 Push nut 21 Through anchor 22 Webbing 23 Through anchor 24 Thru tongue 25 Buckle 27 Retractor 28 Anchor plate 29 Center Pillar 30 seats 31 Shoulder belt anchor adjustment device 32 Slide base 33 Slider 34 plate 35 Lock pin 36 Compression coil spring 37 Guide rail 38 Countersunk screw 39 volts 40 Slide member 41 Cover plate 42 Slide member 43 Operation button 44 Locking hole

Claims (1)

[Scope of utility model registration request] Claims: 1. A guide rail that is attached to a vehicle body and has a plurality of locking parts; a slide member that supports webbing via a through anchor and is movable in the vertical direction while being guided by the guide rail; a restraining means that is displaceably provided and that engages with the locking portion at each of a plurality of positions in the vertical direction of the guide rail to restrain the slide member so as to prevent the slide member from moving downward; In the shoulder belt anchor adjusting device, the shoulder belt anchor adjustment device includes an operation means that is provided and operated to release the restraint state of the slide member by the restraint means, wherein the slide member holds a slider that is in sliding contact with the guide rail and also holds the restraint means. It has a slide base and a plate each displaceably supported, and the slide base and the plate are fixed by a fastening means for fastening one end of each other and a fastening means for fastening the other end. and a nut member for screwing a bolt that swingably supports the through anchor is fixed to the slide base so as to fit through the plate. Device.