CN211139091U - Locking piece for easy-entry unlocking mechanism of seat - Google Patents

Abstract

The utility model discloses a lock piece that is used for seat to easily enter into release mechanism, including the body that is platelike structure, body length direction's both ends are preceding butt end and back butt end respectively, the body is including rightting the section, should right and be equipped with the hinge hole in the section, preceding butt end and back butt end are towards righting the section with one side biasing, and back butt end and the perpendicular distance of righting between the section are greater than preceding butt end and the perpendicular distance of righting between the section. The unlocking mechanism is beneficial to improving the reliability and stability of the easy-entry unlocking mechanism and improving the application safety factor of the seat, has a novel structure and small occupied space, is beneficial to being installed in a matching way with other parts, and is more compact as a whole.

Description

Locking piece for easy-entry unlocking mechanism of seat

Technical Field

The utility model relates to a vehicle seat technical field, concretely relates to a lock piece that is used for seat to easily enter into release mechanism.

Background

The car seat is the indispensable part of car, to some SUVs, the MPV motorcycle type, be provided with multirow seat usually in the car, when driving, get into the back row seat for more convenient passenger, just need to fall or turn over the certain angle of book and forward to the front seat usually, in order to give out sufficient space, the event sets up easily into unlocking structure usually on the front seat, in order to realize stepping down the mesh, however current easily gets into unlocking structure and mostly has the relatively poor problem of factor of safety, the seat easily descends when being in easily entering the gesture promptly and leads to the accident.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a lock piece that is used for the seat to easily enter into release mechanism for improve the security of easily entering into release mechanism during operation, prevent to meet accident.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

a lock piece for a seat easy entry unlocking mechanism is characterized in that: including the body that is platelike structure, body length direction's both ends are preceding butt end and back butt end respectively, the body is equipped with the hinge hole including rightting the section including righting the section on this righting, preceding butt end and back butt end are towards righting the same one side biasing of section, and the perpendicular distance between back butt end and the section of righting is greater than the perpendicular distance between preceding butt end and the section of righting.

Structure more than adopting, install it in the position that corresponds the release mechanism rotating member through the hinge hole during use, and the front and back butt end is in different rotation planes, make it can with the rotating member and slide rail on the position of backstop point adapt to each other, work as release mechanism, when the back upwarps forward, then can rely on the rotatory rotating member of supporting tightly of locking piece of this application, prevent it not hard up, thereby the unblock is inefficacy, lead to the seat back to fall down to hinder people's accident and take place, ensure reliability and the security of easily entering release mechanism.

Preferably, the method comprises the following steps: the body still includes from the preceding section of keeping away from and keeping away from the section after keeping away from of rightting section front and back both ends slope outside extension, preceding section of keeping away from and keep away from the section after all outwards protrusion along the thickness direction of righting the section, the tip of the section of keeping away from before is bent and is parallel with the section of righting in order to constitute preceding butt end, the rear end of the section of keeping away from after is connected with the turn section, turn section and the section of righting parallel arrangement and slope extend down, and its lower extreme tip constitutes back butt end. By adopting the scheme, the requirement of the rotation angle can be better met by the front and the rear far-away sections with smaller length, and the high-strength steel wire rope has good strength and stability.

Preferably, the method comprises the following steps: a yielding section is arranged between the rear far section and the turning section and is arranged along the thickness direction of the righting section. By adopting the scheme, the seat is enabled to vertically span the width of the seat through the position section, so that the interference of the seat on rear parts is reduced, and the occupied space is further reduced.

Preferably, the method comprises the following steps: and a flanging arranged along the thickness direction of the turning section is arranged at the position of the turning section corresponding to the rear butt joint end. By adopting the scheme, the contact area of the rear butt joint end can be increased, the pressure is relatively reduced, and the service life of the rear butt joint end is prolonged.

Preferably, the method comprises the following steps: and a tension spring hanging hole is formed in the rear far section. The scheme above adopting can be used to articulate the extension spring, keeps off the extension spring and is in prestretching the state, and when the butt end was unrestricted behind the lock piece, can realize the autogiration of lock piece through the pulling force of extension spring to continuously provide the power that has the downward rotation trend for its preceding butt end.

Preferably, the method comprises the following steps: the lower side of the righting section is provided with a bayonet with a downward opening. By adopting the scheme, after the locking piece rotates a certain angle, the limiting piece on the bayonet and the seat is matched to prevent the locking piece from continuously rotating downwards, so that the locking piece is kept at a fixed position, the rotating piece in the unlocking mechanism can be better supported stably, and the working reliability of the locking piece is further improved.

Preferably, the method comprises the following steps: the front butt joint end is provided with a smooth plane arranged along the thickness direction of the righting section, and an arc-shaped chamfer angle is arranged between the smooth plane and the upper edge and the lower edge of the front butt joint end. By adopting the scheme, the front abutting end and the unlocking mechanism are favorable for the rotating piece to enter the abutting state or be caused by reverse acting force, and the front abutting end and the unlocking mechanism are mutually separated, so that the rotating piece can be quickly restored to the initial position.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the utility model provides a lock piece that is used for seat to easily enter into release mechanism is favorable to improving reliability and the stability that easily enters into release mechanism, improves seat application safety factor, and novel structure, and occupation space is less, is favorable to installing with other part cooperations, makes release mechanism wholly have compactedness.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an isometric view of FIG. 1;

FIG. 4 is a schematic view of the installation state of the present invention on a seat;

FIG. 5 is an enlarged view of a portion of the locking member of FIG. 4 shown installed;

FIG. 6 is a schematic view of the locking member of the embodiment of FIG. 4 in an operative position.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Referring to fig. 1 to 6, the locking member for a seat easy-entry unlocking mechanism mainly includes a body 72 having a substantially strip-shaped plate structure, where the body 72 is a multi-section structure and mainly includes a righting section 723, and a front distant section 727 and a rear distant section 724 respectively located in front of and behind the righting section 723, where the front distant section 727 and the rear distant section 724 both protrude outward along a thickness direction of the righting section 723 and are located on the same side of the righting section, that is, on the same side of the righting section, and extend obliquely outward relative to an end of the righting section 723, where the end of the front distant section 727 bends toward the side of the righting section and forms a front abutting end 720 parallel to the righting section 723.

The rear far-away section 724 is sequentially arranged on the abdicating section 725 and the turning section 726, as shown in fig. 2, the rear far-away section 724 extends obliquely downwards and outwards while being far away from the righting section 723, the abdicating section 723 is vertically arranged relative to the righting section 723, namely, is arranged along the thickness direction of the righting section 723, the turning section 726 is arranged approximately parallel to the righting section 723, so that the righting section 723, the rear far-away section 724, the abdicating section 725 and the turning section 726 form an oblique 'Z' -shaped structure, wherein the turning section 726 extends obliquely towards the lower part of the righting section 723, the end part of the turning section is formed on a rear abutting end 721 of the front abutting end 720 on the same side of the righting section 723, and the vertical distance between the rear abutting end 721 and the righting section 723 is greater than that of the front abutting end 720 and the righting section 723, so as to ensure that the two can abut against a stop point on different vertical planes without interference.

In addition, the righting section 723 is provided with a hinge hole 728 with a through hole structure, the upper portion of the rear far section 724 is provided with a tension spring hanging hole 729, the lower side of the righting section 723 is provided with a bayonet 722, an opening of the bayonet 722 faces downwards, an included angle of the opening is smaller than or equal to 90 degrees, the body 72 can be rotatably mounted through the hinge hole 728, and then a tension spring is hung through the tension spring hanging hole 729, so that a rotational force support can be provided for the tension spring.

For the purposes of reliability and stability, the bent section 726 has a flange bent along the thickness direction thereof at a position corresponding to the lower end (rear abutment end 721) thereof, so as to increase the contact area with the rear stop point.

Referring to fig. 3 again, the front abutting end 720 is mainly composed of a substantially vertically disposed smooth plane, the smooth plane is perpendicular to the centering section 723, and for the locking member to be locked or withdrawn easily, the upper and lower ends of the smooth plane are connected to the upper and lower side edges of the front abutting end 720 through arc-shaped chamfers, so as to reduce the difficulty of entering and withdrawing and prevent the occurrence of the jamming.

Referring to fig. 1 to 6, the locking member of the present application is mounted on a seat and cooperates with an easy-entry unlocking mechanism, as shown in fig. 4, a slide rail assembly 3 of the seat includes an upper slide rail 30 and a lower slide rail 31, the upper slide rail 30 and the lower slide rail 31 are locked by a locking structure, the locking structure is configured with a slide rail lock pin 32, the slide rail lock pin 32 is disposed vertically upward, a connecting plate 33 is disposed on the upper slide rail 30, and the connecting plate 33 includes a bottom connecting portion 33a fixedly connected to the upper slide rail 30 and a side connecting portion 33b extending vertically upward from an outer edge of the bottom connecting portion 33 a.

The easy-entry unlocking mechanism mainly includes a rotary piece 70 and an unlocking piece 71, as shown in the drawings, the rotary piece 70 is rotatably mounted on the side connecting portion 33b, and has a driving pin 700 provided along the width direction of the upper rail 30, the driving pin 700 extending toward the inside, the unlocking piece 71 rotatably mounted on the bottom connecting portion 33b by the return torsion spring 37, and in the rotating direction of the slide lock pin 32 on the unlocking piece 71, and on the lower side of the unlocking piece 71, the driving pin 700 is located on the upper side of the unlocking piece 71, and normally, the unlocking piece 71 is in a suspended state, i.e., no contact is made with both the driver pin 700 and the sled detent 32, and when the driver pin 700 is deflected by the rotation of the rotary blade 70, the unlocking piece 71 can be pressed downwards, so that the sliding rail lock pin 32 is pressed downwards through the unlocking piece 71 to unlock the upper and lower sliding rails, and the upper sliding rail 30 can slide relative to the lower sliding rail 31.

The locking piece of this application then installs at the rear of easily entering unlocking piece 71, as shown in the figure, it is installed on side connecting portion 33b with rotatable mode through the pivot, be equipped with extension spring 73 simultaneously between side connecting portion 33b and body 72, extension spring hanging hole 729 is caught to the lower extreme of extension spring 73, the upper end is then colluded on side connecting portion 33b, be equipped with spacing separation blade 74 on the rotatory route that corresponds bayonet socket 722 on side connecting portion 33b, spacing separation blade 74 is located the below of locking piece pin joint, after the locking piece rotated certain angle, bayonet socket 722 then with spacing separation blade 74 block, then can not continue to rotate.

After the installation, as shown in fig. 4 and 5, the centering section 723 is in a parallel state with the side connecting portion 33b, the front abutting end 720 is in the same plane with the rotary blade 70, the rotary blade 70 is in a substantially disk cam shape, the lower side of the large end portion is provided with an abutting surface 701 adapted to the smooth plane of the front abutting end 720, the rear abutting end 721 is located inside the lower slide rail 31, the inner side of the lower slide rail 31 is provided with a rear stopping point 310 at a position corresponding to the rear abutting end 721, the front abutting end 720 of the locking member has a tendency of continuously rotating downward and is located on the upper side of the rotary blade 70 under the action of the tension spring 73, and when the upper slide rail 30 is in the initial position, the rear abutting end 721 abuts against the rear stopping point 310 and is limited, so that counterclockwise rotation cannot occur, and the same locking member cannot rotate.

In the working process, when the rotary piece 70 rotates under the action of external force (usually, the backrest is in a lifting state under the driving of the seat frame), the driving pin 700 presses the unlocking piece 71 downwards, the slide rail lock pin 32 is pressed down to unlock the slide rail, and then the upper slide rail 30 slides forwards for a certain distance, at this time, a larger space is exposed behind the seat backrest to achieve an easy-entry posture, at this time, if the external force disappears, the rotary piece 70 is influenced by the self weight of the seat and is easy to rotate upwards in the opposite direction, so that the seat frame and the backrest fall together to injure passengers or articles in the back row, but the locking piece adopting the application cannot be in the above situation, as shown in fig. 6, after the upper slide rail 30 slides forwards for a certain distance, the rear abutting end 721 of the locking piece is not rotated by the rear blocking point 310 any more, and can rotate counterclockwise under the action of the tension spring 73, and the front abutting end 720 of the rotary piece is abutted with the abutting surface 701 of the rotary piece 70, and bayonet 722 and spacing separation blade 74 block, the locking piece receives the reverse action of extension spring 73, spacing separation blade 74 and three parts of revolving fragment 70 simultaneously, and is the triangle-shaped distribution structure to can effectively keep the stability of locking piece, the locking piece can not take place the rotation again, and then revolving fragment 70 can also keep its pushing down position motionless, thereby reaches the purpose that keeps current gesture, prevents to take place the accident.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims (7)

1. A locking piece for a seat easy entry unlocking mechanism, characterized in that: including body (72) that is platelike structure, the both ends of body (72) length direction are preceding butt end (720) and back butt end (721) respectively, body (72) are including righting section (723), are equipped with hinge hole (728) on this righting section (723), preceding butt end (720) and back butt end (721) are towards righting section (723) same side biasing, and the perpendicular distance between back butt end (721) and the section of righting (723) is greater than the perpendicular distance between preceding butt end (720) and the section of righting (723).

2. The latch for a seat easy entry unlatching mechanism of claim 1, wherein: the body (72) further comprises a front far-away section (727) and a rear far-away section (724) which extend outwards in an inclined mode from the front end and the rear end of the righting section (723), the front far-away section (727) and the rear far-away section (724) are outwards protruded along the thickness direction of the righting section (723), the end portion of the front far-away section (727) is bent and parallel to the righting section (723) to form the front abutting end (720), the rear end of the rear far-away section (724) is connected with a turning section (726), the turning section (726) is parallel to the righting section (723) and extends downwards in an inclined mode, and the end portion of the lower end of the turning section (726) forms the rear abutting end (721).

3. The latch for a seat easy entry unlatching mechanism of claim 2, wherein: a relief section (725) is arranged between the rear far section (724) and the turning section (726), and the relief section (725) is arranged along the thickness direction of the righting section (723).

4. A latch for a seat easy entry release mechanism according to claim 2 or 3 wherein: the turning section (726) is provided with a flanging arranged along the thickness direction thereof at the position corresponding to the rear abutting end (721).

5. The latch for a seat easy entry unlatching mechanism of claim 2, wherein: and a tension spring hanging hole (729) is formed in the rear far section (724).

6. The lockout member for a seat easy entry unlock mechanism of claim 1 or 5 wherein: the lower side of the centralizing section (723) is provided with a bayonet (722) with a downward opening.

7. A striker for a seat easy entry release mechanism according to any one of claims 1 to 3, wherein: the front abutting end (720) is provided with a smooth plane arranged along the thickness direction of the righting section (723), and an arc-shaped chamfer is arranged between the smooth plane and the upper edge and the lower edge of the front abutting end (720).

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