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 element for seat easy access unlocking mechanism

technical field

The utility model relates to the technical field of vehicle seat structures, in particular to a locking piece for a seat easy-entry unlocking mechanism.

Background technique

Car seats are an essential part of the car. For some SUV and MPV models, there are usually multiple rows of seats in the car. When driving, in order to make it easier for passengers to enter the rear seats, it is usually necessary to place the front seats. The chair is folded down or folded at a certain angle and moved forward to make enough space. Therefore, an easy-access unlocking structure is usually set on the front seat to achieve the purpose of giving way. However, most of the existing easy-to-access unlocking structures exist The problem of poor safety factor, that is, when the seat is in an easy-to-enter posture, it is easy to fall and cause an accident.

Utility model content

In order to solve the above problems, the present invention provides a locking piece for the easy-entry unlocking mechanism of the seat, which is used to improve the safety of the easy-entry unlocking mechanism during operation and prevent accidents.

For achieving the above object, the technical scheme of the present utility model is as follows:

A locking piece for an easy-access unlocking mechanism for a seat, the key of which is that it includes a body in a plate-like structure, two ends in the longitudinal direction of the body are respectively a front abutting end and a rear abutting end, and the body Including a righting section, the righting section is provided with a hinge hole, the front abutting end and the rear abutting end are offset toward the same side of the righting section, and the vertical distance between the rear abutting end and the righting section is greater than the front abutting end. The vertical distance between the end and the righting section.

With the above structure, it is installed at the position corresponding to the rotating member of the unlocking mechanism through the hinge hole during use, and the front and rear abutting ends are on different rotating planes, so that it can be adapted to the position of the rotating member and the backstop on the slide rail. , when the unlocking mechanism works and the backrest is tilted forward and upturned, the rotation of the locking member of the present application can be used to press the rotating member tightly to prevent it from loosening, so that the unlocking fails, resulting in the accident of the seatback falling and hurting people. Reliability and security of easy access unlocking mechanism.

Preferably, the body further comprises a front and rear distance section extending obliquely outward from the front and rear ends of the righting section, the front and rear distance sections both protrude outward along the thickness direction of the righting section, and the The end of the front distance section is bent and parallel to the righting section to form the front abutting end, the rear end of the rear distance section is connected with a turning section, the turning section and the righting section are arranged in parallel and extend obliquely downward, The lower end portion thereof constitutes the rear abutting end. By adopting the above solution, through the arrangement of the front and rear distance sections, it can better meet the requirements of the rotation angle with a smaller length, and has good strength and stability.

Preferably, there is a way-out segment between the rear distance segment and the turning segment, and the way-apart segment is arranged along the thickness direction of the righting segment. By adopting the above solution, by giving way to the segment to vertically span the width of the seat, it is beneficial to reduce its interference with the rear components and further reduce the occupied space.

Preferably, the position of the turning segment corresponding to the rear abutting end has a flange along its thickness direction. By adopting the above solution, the contact area of the rear abutting end can be increased, the pressure is relatively reduced, and the service life of the rear abutting end can be prolonged.

Preferably, a tension spring hanging hole is provided on the rear distance section. The above solution can be used to hook up the tension spring, the tension spring is in a pre-tensioned state, and when the rear abutment end of the locking piece is not restricted, the automatic rotation of the locking piece can be realized by the tension of the tension spring, and the front The abutment end continues to provide a force with a downward turning tendency.

Preferably, the lower side of the righting section has a bayonet opening facing downward. With the above solution, when the locking member is rotated by a certain angle, it can cooperate with the limit piece on the seat through the bayonet to prevent it from continuing to rotate downward, so as to keep it in a fixed position, which can better align the unlocking mechanism. The rotating parts are supported and stabilized, which further improves its working reliability.

Preferably, the front abutting end has a smooth plane disposed along the thickness direction of the centralizing section, and an arc-shaped chamfer is formed between the smooth plane and the upper and lower edges of the front abutting end. With the above solution, it is beneficial for the front abutting end and the rotating member in the unlocking mechanism to enter the abutting state or when subjected to a reverse force, the two are separated from each other, so that the rotating member can quickly return to the initial position.

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

The use of the locking piece for the easy-access unlocking mechanism of the seat provided by the utility model is beneficial to improve the reliability and stability of the easy-access unlocking mechanism, improve the safety factor of the seat application, and has a novel structure, less space occupation, and high efficiency. It is convenient for installation with other components, making the whole unlocking mechanism more compact.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the axonometric view of Fig. 1;

4 is a schematic diagram of the installation state of the utility model on the seat;

Fig. 5 is a partial enlarged view of the installation of the locking member in Fig. 4;

FIG. 6 is a schematic view of the working state of the locking member in the embodiment shown in FIG. 4 .

Detailed ways

The present utility model will be further described below with reference to the embodiments and accompanying drawings.

1 to 6 , the locking member for the easy-access unlocking mechanism of a seat mainly includes a main body 72 having a generally strip-shaped plate structure. The main body 72 is a multi-section structure, which mainly includes a righting section 723 And the front and rear distance sections 727 and 724 respectively located before and after the righting section 723, the front and rear distance sections 727 and 724 both protrude outward along the thickness direction of the righting section 723, and the two are located on the same side of the righting section, That is, it is offset on the same side, and extends outwardly inclined relative to the end of the righting section 723 , wherein the end of the front remote section 727 is bent toward the side where the righting section is located, and forms a front abutting end 720 that is parallel to the righting section 723 .

The back of the rearward distance section 724 is arranged in the abdication section 725 and the turning section 726 in sequence. As shown in FIG. 2 , the rear distance section 724 extends obliquely downward and outward while being away from the righting section 723 , while the abdication section 723 is The relative righting section 723 is arranged vertically, that is, along the thickness direction of the righting section 723, and the turning section 726 is generally arranged in parallel with the righting section 723, so that the righting section 723, the rear distance section 724, the abdication section 725 and the turning section 726 constitute a structure It is in an inclined "Z" shape, wherein the turning section 726 extends obliquely below the righting section 723, and its end is formed at the rear abutting end 721 of the front abutting end 720 on the same side of the righting section 723, and the rear abutting end 721 and The vertical distance between the righting sections 723 is greater than the vertical distance between the front abutting end 720 and the righting section 723, so as to ensure that the two can abut against stop points on different vertical planes without interference.

In addition, the righting section 723 has a hinge hole 728 with a through-hole structure, the upper part of the rear distance section 724 is provided with a tension spring hanging hole 729, and the lower side of the righting section 723 is provided with a bayonet 722, wherein the opening of the bayonet 722 faces downwards , and its opening angle is less than or equal to 90°, the main body 72 can be rotated and installed through the hinge hole 728 , and then the tension spring can be hung through the tension spring hanging hole 729 to provide rotational force support.

For the purposes of reliability and stability, in this embodiment, a position corresponding to its lower end (rear abutting end 721 ) on the turning segment 726 has a flange folded along its thickness direction to increase its blocking point with the rear. contact area.

Referring to FIG. 3 again, the front abutting end 720 is mainly composed of a smooth plane arranged substantially vertically, the smooth plane and the centering section 723 are perpendicular to each other, and at the same time, in order to make the locking member lock or withdraw more easily, the upper and lower sides of the smooth plane are formed. The upper and lower side edges of the end and the front abutting end 720 are connected by arc-shaped chamfering, so as to reduce the difficulty of entering and exiting, and prevent the situation of being stuck.

Referring to FIGS. 1 to 6 , the locking member of the present application is installed on the seat and cooperates with the easy-entry unlocking mechanism. As shown in FIG. 4 , the slide rail assembly 3 of the seat includes an upper slide rail 30 and the lower rail 31, the upper sliding rail 30 and the lower rail 31 are locked by a locking structure, the locking structure is equipped with a sliding rail locking pin 32, the sliding rail locking pin 32 is arranged vertically upward, and the upper sliding rail 30 is provided with A connecting plate 33, the connecting plate 33 includes a bottom connecting portion 33a fixedly connected with the upper slide rail 30, and a side connecting portion 33b extending vertically upward from the outer edge of the bottom connecting portion 33a.

The easy-entry unlocking mechanism mainly includes a rotating piece 70 and an unlocking piece 71. As shown in the figure, the rotating piece 70 is rotatably mounted on the side connecting portion 33b and has a transmission pin 700 arranged along the width direction of the upper slide rail 30. , the transmission pin 700 extends inward, the unlocking piece 71 is rotatably installed on the bottom connecting portion 33b through the reset torsion spring 37, and the slide rail lock pin 32 is located in the rotation direction of the unlocking piece 71, and is located in the unlocking piece 71. The lower side, and the transmission pin 700 is located on the upper side of the unlocking piece 71. Normally, the unlocking piece 71 is in a suspended state, that is, it is not in contact with the transmission pin 700 and the slide rail lock pin 32, and when the rotating piece 70 rotates to drive the transmission When the pin 700 is deflected, the unlocking piece 71 can be pressed down, so that the slide rail locking pin 32 is pressed down by the unlocking piece 71 to unlock the upper and lower rails, so that the upper slide rail 30 can slide relative to the lower rail 31 .

The locking member of the present application is installed at the rear of the easy-entry unlocking piece 71 , as shown in the figure, it is rotatably installed on the side connecting portion 33 b through a rotating shaft, and at the same time, between the side connecting portion 33 b and the main body 72 is provided There is a tension spring 73, the lower end of the tension spring 73 hooks the tension spring hanging hole 729, and the upper end is hooked on the side connecting portion 33b, and the side connecting portion 33b is provided with a limit stop piece 74 on the rotation path corresponding to the bayonet 722 to limit the tension spring 73. The blocking piece 74 is located below the hinge point of the locking piece. After the locking piece is rotated by a certain angle, the bayonet 722 is engaged with the limiting blocking piece 74 and cannot continue to rotate.

After the installation is completed, as shown in FIGS. 4 and 5 , the righting section 723 is in close contact with the side connecting portion 33b in a parallel state, while the front abutting end 720 is on the same plane as the rotating piece 70 , and the rotating piece 70 is generally a disc cam. The lower side of the big end is provided with an abutment surface 701 that is compatible with the smooth plane of the front abutting end 720, the rear abutting end 721 is located inside the lower rail 31, and the inner side of the lower rail 31 corresponds to the rear abutting end 721 There is a rear stop point 310 at the position of the locking piece. Under the action of the tension spring 73, the front abutting end 720 of the locking piece has a tendency to continuously rotate downward, and is located on the upper side of the rotating piece 70. When the upper slide rail When the 30 is in the initial position, the rear abutting end 721 abuts against the rear stop point 310, and is restricted, it cannot rotate counterclockwise, and the same locking member cannot rotate.

During the working process, when the rotating piece 70 rotates under the action of external force (usually driven by the rotation of the seat frame, at this time the backrest is in a raised state), the transmission pin 700 will press the unlocking piece 71 down, and the slide rail lock pin 32 will be pressed down. After unlocking the slide rail, slide the upper slide rail 30 forward for a certain distance. At this time, a large space can be exposed behind the back of the seat to achieve an easy entry posture. At this time, if the external force disappears, the rotating plate 70 Affected by the weight of the seat, it is easy to rotate in the opposite direction, so that the seat frame and the backrest fall together and injure the passengers or objects in the rear row, but the locking piece of the present application will not have the above situation, as shown in Figure 6 , after the upper slide rail 30 slides forward for a certain distance, the rear abutting end 721 of the locking member is no longer subject to the rotation of the rear stop point 310, and can rotate counterclockwise under the action of the tension spring 73, and makes it The front abutting end 720 is in contact with the abutting surface 701 of the rotating piece 70 , and the bayonet 722 is engaged with the limit blocking piece 74 . The reverse action of the components and the triangular distribution structure can effectively maintain the stability of the locking member. The locking member will not rotate again, and the rotating piece 70 can also keep its depressed position unchanged, so as to maintain the current position. The purpose of the gesture is to prevent accidents.

Finally, it should be noted that the above descriptions are only the preferred embodiments of the present invention, and those of ordinary skill in the art, under the inspiration of the present invention, can make many Similar expressions, such transformations fall within the protection scope of the present invention.

Claims (7)

1. A locking piece for an easy-access unlocking mechanism for a seat, characterized in that it comprises a body (72) in a plate-like structure, and the two ends of the body (72) in the longitudinal direction are respectively the front abutting ends ( 720) and a rear abutting end (721), the body (72) includes a righting section (723), the righting section (723) is provided with a hinge hole (728), the front abutting end (720) and the rear The abutting end (721) is offset toward 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 between the front abutting end (720) and the righting section (723). 723) the vertical distance between. 2. The locking piece for the easy-access unlocking mechanism of a seat according to claim 1, wherein the main body (72) further comprises a front distance extending obliquely outward from the front and rear ends of the righting section (723) segment (727) and rear distance segment (724), both of which protrude outward along the thickness direction of the righting segment (723), the front distance segment (727) The end of the rear part is bent and parallel to the righting section (723) to form the front abutting end (720), the rear end of the rear distance section (724) is connected with a turning section (726), and the turning section (726) ) is arranged in parallel with the righting section (723) and extends obliquely downward, and its lower end portion constitutes the rear abutting end (721). 3. The locking member for an easy-access unlocking mechanism for a seat according to claim 2, characterized in that: there is a receding section (725) between the rear distance section (724) and the turning section (726), The abdication section (725) is arranged along the thickness direction of the righting section (723). 4. The locking member for an easy-access unlocking mechanism for a seat according to claim 2 or 3, characterized in that: the position of the turning section (726) corresponding to the rear abutting end (721) has a thickness along its thickness direction Set the flanging. 5. The locking member for a seat easy-entry unlocking mechanism according to claim 2, wherein a tension spring hanging hole (729) is provided on the rear distance section (724). 6 . The locking member for an easy-access unlocking mechanism for a seat according to claim 1 or 5 , wherein the lower side of the righting section ( 723 ) has a bayonet ( 722 ) with an opening facing downward. 7 . 7. The locking member for an easy-access unlocking mechanism for a seat according to any one of claims 1 to 3, wherein the front abutting end (720) has a thickness direction along the righting section (723) A smooth plane is provided, and an arc-shaped chamfer is provided between the smooth plane and the upper and lower edges of the front abutting end (720).

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