JP2000325169A - Reclining mechanism for car sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a webbing from being touched or hooked by making a handle lever protrude outward through the bore of a cover member, improving an assembly operation, reducing the number of vises, and reducing the number of parts. SOLUTION: A bore 29 which the edge part 27a of a driving shaft 27 is inserted into is formed on the hollow part 25 of a cover member 23, and a handle lever 31 is formed of resin unifying the handle lever body 33 and a fitting engaging part 35. The cover member 23 is kept by the handle lever 31, by inserting the edge part 27a of a rotating shaft 27 through the bore part 29 of the cover member 23 to make it protrude outward, and engaging the fitting engaging part 35 of the handle lever 31 with the edge part 27a of the rotating shaft 27 protruded on the front surface of the hollow part 25 of the cover member 23 from outside.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reclining device for a vehicle seat, and more particularly, to a base member, a turning arm rotatably supported by the base member and fixed to a seat back. A rotation shaft that rotatably holds the rotation arm with respect to the base member, a lock mechanism interposed between the base member and the rotation arm,
The present invention relates to a vehicle seat reclining device including an operation lever for setting the lock mechanism to an unlocked state, and a cover member attached with the operation lever protruding outward.

[0002]

2. Description of the Related Art Hitherto, there has been known a structure in which a seat cushion is adjusted to be moved back and forth by a back and forth slide mechanism and a reclining device for tilting a seat back back and forth. For example, as shown in FIG. 5, the reclining device 1 includes a base member 3 fixed to the seat cushion side, and a turning arm 5 rotatably supported by the base member 3 and fixed to the seat back. I have.

[0003] A rotating shaft 7 for rotatably holding the rotating arm 5 with respect to the base member 3 and a lock mechanism (not shown) interposed between the base member 3 and the rotating arm 5 are provided. An operating lever 9 for unlocking the lock mechanism, and a return spring 1 for returning the operating lever 9
1 and a return spring 13 for tilting the seat back forward.

[0006] As shown in FIG. 6, the cover member 15 is provided with a lock mechanism and a base member 3 of the reclining device 1.
And the like, so that the operation lever 9 projects outward through a through hole 17 formed in the cover member 15. A knob 10 made of a synthetic resin is fixed to the tip of the operation lever 9.

[0005]

However, in the conventional reclining device 1, the through hole 1 of the cover member 15 is not provided.
The operation of projecting the operation lever 9 outward from the operation lever 7 is complicated, and assembling workability cannot be improved. A knob 10 made of synthetic resin must be fixed to the tip of the operation lever 9, and the cover The number of screws for fixing the member 15 becomes plural, the number of parts increases, the screwing work becomes complicated, and the cost increases.

The operating lever 9 and the knob 1 made of synthetic resin
Since 0 protrudes from the surface of the cover member 15, there is a risk that the webbing of the seat belt (not shown) may come into contact with or be caught, thereby deteriorating the livability in the passenger compartment.

SUMMARY OF THE INVENTION It is an object of the present invention to easily and quickly protrude an operation lever outwardly from a through hole of a cover member, to improve assembling workability, and to use a screw for fixing the cover member. The number of parts can be reduced, the number of parts can be reduced, the work of screwing the cover member can be easily performed, and there is no possibility that the webbing of the seat belt will come into contact with or be caught. An object of the present invention is to provide an excellent vehicle seat reclining device.

[0008]

According to a first aspect of the present invention, there is provided a vehicle seat reclining apparatus comprising: a base member;
A rotation arm rotatably supported by the base member and fixed to the seat back; a rotation shaft for rotatably holding the rotation arm with respect to the base member; and a rotation shaft between the base member and the rotation arm. A reclining device for a vehicle seat, comprising a lock mechanism interposed in the vehicle, an operation lever for releasing the lock mechanism in an unlocked state, and a cover member attached with the operation lever protruding outward.
The cover member is formed with a through-hole through which an end of a rotating shaft is inserted, and the operation lever is integrally formed of a synthetic resin material from an operation lever main body and a fitting engagement portion formed at one end of the operation lever main body. In a state where the end of the rotating shaft is inserted through the through hole of the cover member and protruded outward, the fitting and locking portion of the operating lever is fitted to the end of the rotating shaft from outside. And the cover member is held by an operation lever.

According to the first aspect of the present invention, the cover member is formed with a through hole through which the end of the rotating shaft is inserted, and the operation lever is connected to the operation lever body by a fitting member formed at one end of the operation lever body. From the synthetic resin material from the stop part,
In a state where the end of the rotating shaft is inserted through the through hole of the cover member and projected outward, the fitting and locking portion of the operation lever is fitted and locked from the outside to the end of the rotating shaft, Since the cover member is held by the operation lever, the operation lever can be easily and quickly protruded outward from the through hole of the cover member, so that the assembling workability can be improved, and the cover member can be fixed. The number of screws can be reduced, the number of parts can be reduced, and the work of screwing the cover member can be easily performed.

According to a second aspect of the present invention, there is provided a vehicle seat reclining device, comprising: a base member; a rotating arm rotatably supported by the base member and fixed to a seat back; A rotation shaft rotatably holding the member, a lock mechanism interposed between the base member and the rotation arm, an operation lever for unlocking the lock mechanism, and an operation lever A reclining device for a vehicle seat having a cover member mounted in a state of being protruded from the cover member, wherein a concave portion is formed in the cover member, and a through-hole through which an end of a rotating shaft is inserted is formed in the concave portion; The lever is integrally formed of a synthetic resin material from the operation lever main body and the fitting and locking portion formed at one end of the operation lever main body, and the end of the rotating shaft is inserted through the through hole of the cover member. In a state where the cover member protrudes from the outside, the fitting and locking portion of the operation lever is fitted and locked from the outside to the end of the rotating shaft protruding from the front surface of the concave portion of the cover member, and the cover member is held by the operation lever It is characterized by having done.

According to the second aspect of the present invention, a concave portion is formed in the cover member, and a through-hole through which the end of the rotating shaft is inserted is formed in the concave portion.
The operation lever body is formed integrally with a fitting engagement portion formed at one end of the operation lever body from a synthetic resin material, and the end of the rotation shaft is inserted through the through hole of the cover member so as to protrude outward. The fitting and locking portion of the operating lever is fitted and locked from the outside at the end of the rotating shaft protruding from the front surface of the concave portion of the cover member, and the cover member is held by the operating lever. The operating lever can easily and quickly protrude outward from the hole,
The workability of assembling can be improved, the number of screws for fixing the cover member can be reduced, the number of parts can be reduced, and the work of screwing the cover member can be easily performed. Also, the operation lever is housed in the concave portion of the cover member, and there is no possibility that the webbing of the seat belt comes into contact with or is caught.

According to a third aspect of the present invention, there is provided a vehicle seat reclining device, comprising: a base member; a rotating arm rotatably supported by the base member and fixed to a seat back; A rotation shaft rotatably holding the member, a lock mechanism interposed between the base member and the rotation arm, an operation lever for unlocking the lock mechanism, and an operation lever A reclining device for a vehicle seat having a cover member mounted in a state of being protruded from the cover member, wherein a concave portion is formed in the cover member, and a through-hole through which an end of a rotating shaft is inserted is formed in the concave portion; The lever is integrally formed of a synthetic resin material from a control lever main body and a fitting engagement portion formed at one end of the control lever main body so as to protrude in a direction substantially perpendicular to a longitudinal direction of the control lever main body. -With the end of the rotating shaft inserted through the through hole of the member and protruded outward, the engaging and locking portion of the operating lever is removed from the end of the rotating shaft projecting to the front of the concave portion of the cover member. And the cover member is held by an operation lever.

According to the third aspect of the present invention, a concave portion is formed in the cover member, and a through-hole through which the end of the rotating shaft is inserted is formed in the concave portion.
One end of the operation lever main body is integrally formed of a synthetic resin material from a fitting engagement portion formed so as to protrude in a direction substantially orthogonal to the longitudinal direction, and the end of the rotation shaft is inserted into a through hole of the cover member. In a state where the cover member is inserted and protruded outward, a fitting / locking portion of an operation lever is fitted / locked from the outside to an end of a rotating shaft protruding from a front surface of a concave portion of the cover member, and the cover member is fixed. Since the operation lever is held by the operation lever, the operation lever can be easily and quickly protruded outward from the through hole of the cover member, so that assembling workability can be improved, and the number of screws for fixing the cover member can be improved. Can be reduced, the number of parts can be reduced, the screwing work of the cover member can be easily performed, and the operation lever is housed in the concave portion of the cover member so that the webbing of the seat belt may come into contact. There is no risk of being caught

According to a fourth aspect of the present invention, there is provided a vehicle seat reclining device, comprising: a base member; a rotating arm rotatably supported by the base member and fixed to a seat back; A rotation shaft rotatably holding the member, a lock mechanism interposed between the base member and the rotation arm, an operation lever for unlocking the lock mechanism, and an operation lever A reclining device for a vehicle seat having a cover member mounted in a state of being protruded from the cover member, wherein a concave portion is formed in the cover member, and a through-hole through which an end of a rotating shaft is inserted is formed in the concave portion; The lever is integrally formed of a synthetic resin material from a control lever main body and a fitting engagement portion formed at one end of the control lever main body so as to protrude in a direction substantially perpendicular to a longitudinal direction of the control lever main body. -With the end of the rotating shaft inserted through the through hole of the member and protruded outward, the engaging and locking portion of the operating lever is removed from the end of the rotating shaft projecting to the front of the concave portion of the cover member. And the fitting and locking portion of the operation lever is pin-connected outside the cover member.

According to the fourth aspect of the present invention, a concave portion is formed in the cover member, and a through-hole through which the end of the rotating shaft is inserted is formed in the concave portion.
One end of the operation lever main body is integrally formed of a synthetic resin material from a fitting engagement portion formed so as to protrude in a direction substantially orthogonal to the longitudinal direction, and the end of the rotation shaft is inserted into a through hole of the cover member. In a state of being inserted and protruding outward, the fitting and locking portion of the operation lever is fitted and locked from the outside to the end of the rotating shaft protruding from the front surface of the concave portion of the cover member, and the end of the rotating shaft is Since the part and the fitting and locking part of the operation lever were pin-connected outside the cover member,
The operation lever can be easily and quickly protruded outward from the through hole of the cover member, so that assembling workability can be improved, and a screw for fixing the cover member is fixed by an outer pin of the cover member. Can be performed, the number of parts can be reduced, the screwing work of the cover member can be easily performed, and the operation lever is stored in the concave portion of the cover member, and the webbing of the seat belt may come into contact with or be caught. There is no.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A reclining device for a vehicle seat according to the present invention will be described below with reference to the drawings. FIG.
1 to 4 show an embodiment of a reclining device for a vehicle seat according to the present invention. FIG. 1 is a partial perspective view of a cover member of the reclining device, and FIG.
-X-ray sectional view, Fig. 3 is a perspective view of the mounted state of the operation lever, and Fig. 4 is a perspective view of the state before the operation lever is mounted. Adjustably mounted.

A base member of the reclining device, a rotating arm rotatably supported by the base member and fixed to the seat back, and a rotating shaft for rotatably holding the rotating arm with respect to the base member Various conventionally known mechanisms can be adopted for the lock mechanism, spring structure, and the like interposed between the base member and the rotating arm.

As shown in FIGS. 1 and 2, the cover member 23 of the reclining device 20 has a substantially fan-shaped recess 25 when viewed from the side, and the recess 25 has a rotating shaft as a pivot shaft of a rotating arm. Through hole 2 through which end 27a of 27 is inserted
9 are formed.

A rotatable operation lever 31 is housed in the recess 25 of the cover member 23. This operating lever 3
Reference numeral 1 denotes an operation lever main body 33 and a fitting engagement portion 35 formed at one end of the operation lever main body 33 so as to protrude in a direction substantially perpendicular to the longitudinal direction thereof. The stop portion 35 is formed integrally with a hard synthetic resin material.

As shown in FIG. 3 and FIG.
Has a cylindrical portion 37 and a groove 39 formed on one side of the cylindrical portion 37 so that a pin 41 can be inserted into the groove 39. The pin 41 is bent in a substantially U-shape, and is formed of a wire spring having locking portions 42 formed at both ends. The shape of the pin 41 is not limited to the illustrated shape, and may be another pin.

As shown in FIG. 4, the end 27a of the rotating shaft 27
3, a groove 43 is formed in the circumferential direction, and as shown in FIG.
When the cylindrical portion 37 is fitted, the pin 41 is inserted through the groove 39 formed on one side of the cylindrical portion 37, and the locking portions 42 at both ends of the pin 41 are engaged with the end portion 27 a of the rotating shaft 27. And the pin 41 can be connected.

Accordingly, the end portion 27a of the rotary shaft 27 is inserted through the through hole 29 of the cover member 23 so as to protrude outward, and the rotary shaft 2 protrudes from the front surface of the concave portion 25 of the cover member 23.
The cylindrical portion 37 of the fitting / locking portion 35 of the operating lever 31 is fitted / locked to the end 27a of the operating lever 31 from the outside, and the end 27a of the rotating shaft 27 is
The groove 41 and the fitting / locking portion 35 of the operation lever 31 can be connected to the pin 41 outside the cover member 23.

The cover member 23 is connected to the pin 41 of the operating lever 31 by connecting the groove 43 of the end 27a of the rotating shaft 27 and the fitting / locking portion 35 of the operating lever 31 with a pin 41 outside the cover member 23. Can be held.

[0024]

As described above, according to the reclining device for a vehicle seat according to the first aspect, the operating lever can easily and quickly protrude outward from the through hole of the cover member, and the assembling work can be performed. Thus, the number of screws for fixing the cover member can be reduced, the number of parts can be reduced, and the work of screwing the cover member can be easily performed.

According to the second aspect of the present invention, the operation lever can be easily and quickly protruded outward from the through hole of the concave portion of the cover member, and the assembling workability is improved. The number of screws for fixing the cover member can be reduced, the number of parts can be reduced, the work of screwing the cover member can be easily performed, and the operation lever is And there is no possibility that the webbing of the seatbelt will contact or be caught.

According to the seat reclining device for a vehicle according to the third aspect, the operating lever can be easily and quickly protruded outward from the through-hole in the concave portion of the cover member, so that the assembling workability is improved. The number of screws for fixing the cover member can be reduced, the number of parts can be reduced, the work of screwing the cover member can be easily performed, and the operation lever is And there is no possibility that the webbing of the seatbelt will contact or be caught.

Further, according to the vehicle seat reclining device of the fourth aspect, the operation lever can be easily and quickly protruded outward from the through hole of the cover member concave portion, and the assembling workability can be improved. It is possible to fix the cover member with screws by using the pins outside the cover member, so that the number of parts can be reduced, and the screwing work of the cover member can be easily performed. The lever is housed in the concave portion of the cover member, and there is no possibility that the webbing of the seat belt comes into contact with or is caught.

According to the present invention, the operating lever can be easily and quickly protruded outward from the through-hole of the cover member, so that the assembling workability can be improved, and a screw for fixing the cover member can be provided. The number of parts can be reduced, the number of parts can be reduced, the work of screwing the cover member can be easily performed, and there is no possibility that the webbing of the seat belt will come into contact with or be caught. An excellent vehicle seat reclining device can be obtained.

[Brief description of the drawings]

FIG. 1 is a partial perspective view of a cover member of a reclining device for a vehicle seat according to the present invention.

2 is a sectional view of the reclining device for a vehicle seat according to the present invention, taken along line XX in FIG. 1;

FIG. 3 is a perspective view of a state in which an operation lever of the vehicle seat reclining device according to the present invention is mounted.

FIG. 4 is a perspective view of the vehicle seat reclining device according to the present invention before the operation lever is assembled.

FIG. 5 is a perspective view of a conventional reclining device.

FIG. 6 is a perspective view of a cover member of a conventional reclining device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 20 reclining device 23 cover member 25 concave portion 27 rotating shaft 27 a end portion 29 through hole 31 operating lever 33 operating lever main body 35 fitting locking portion 37 cylindrical portion 39 groove 41 pin 42 locking portion 43 groove

Claims (4)

[Claims] 1. A base member, a rotation arm rotatably supported by the base member and fixed to a seat back, and a rotation shaft rotatably holding the rotation arm with respect to the base member. A lock mechanism interposed between the base member and the rotating arm, an operation lever for releasing the lock mechanism from an unlocked state, and a cover member attached with the operation lever protruded outward. In a reclining device for a vehicle seat, a through hole is formed through the cover member to insert an end of a rotating shaft, and the operation lever is connected to an operation lever main body, and a fitting lock formed at one end of the operation lever main body. The end of the rotating shaft is inserted into the through hole of the cover member so as to protrude outward. Stop part is engaged from outside And, reclining device for a vehicle seat, characterized in that holding the cover member in the operating lever. 2. A base member, a rotation arm rotatably supported by the base member and fixed to a seat back, and a rotation shaft rotatably holding the rotation arm with respect to the base member. A lock mechanism interposed between the base member and the rotating arm, an operation lever for releasing the lock mechanism from an unlocked state, and a cover member attached with the operation lever protruded outward. A reclining device for a vehicle seat, wherein a concave portion is formed in the cover member, a through hole is formed in the concave portion for inserting an end of a rotating shaft, and the operation lever is connected to an operation lever main body and one end of the operation lever main body. The cover member is formed integrally with the fitting engagement portion formed from the synthetic resin material, and the end of the rotation shaft is inserted through the through hole of the cover member so as to protrude outward. Projecting to the front of The fitting locking portion of the operating lever end portion of the rotary shaft seals fitting engagement from the outside that,
A reclining device for a vehicle seat, wherein the cover member is held by an operation lever. 3. A base member, a rotating arm rotatably supported by the base member and fixed to the seat back, and a rotating shaft rotatably holding the rotating arm with respect to the base member. A lock mechanism interposed between the base member and the rotating arm, an operation lever for releasing the lock mechanism from an unlocked state, and a cover member attached with the operation lever protruded outward. A reclining device for a vehicle seat, wherein a concave portion is formed in the cover member, a through hole is formed in the concave portion for inserting an end of a rotating shaft, and the operation lever is connected to an operation lever main body and one end of the operation lever main body. And formed integrally from a synthetic resin material from a fitting and locking portion formed to project in a direction substantially perpendicular to the longitudinal direction, and by inserting the end of the rotating shaft through the through hole of the cover member to the outside. Protruded In this state, the fitting and locking portion of the operating lever is fitted and locked from the outside at the end of the rotating shaft projecting from the front surface of the concave portion of the cover member, and the cover member is held by the operating lever. Vehicle seat reclining device. 4. A base member, a rotation arm rotatably supported by the base member and fixed to a seat back, and a rotation shaft rotatably holding the rotation arm with respect to the base member. A lock mechanism interposed between the base member and the rotating arm, an operation lever for releasing the lock mechanism from an unlocked state, and a cover member attached with the operation lever protruded outward. A reclining device for a vehicle seat, wherein a concave portion is formed in the cover member, a through hole is formed in the concave portion for inserting an end of a rotating shaft, and the operation lever is connected to an operation lever main body and one end of the operation lever main body. And formed integrally from a synthetic resin material from a fitting and locking portion formed to project in a direction substantially perpendicular to the longitudinal direction, and by inserting the end of the rotating shaft through the through hole of the cover member to the outside. Protruded In this state, the fitting and locking portion of the operating lever is fitted and locked from the outside to the end of the rotating shaft projecting from the front surface of the concave portion of the cover member, and the fitting and locking of the operating shaft and the end of the rotating shaft is performed. A reclining device for a vehicle seat, wherein a portion is pin-coupled outside a cover member.