KR102111675B1 - Seat sliding apparatus for vehicle - Google Patents

Abstract

The present invention relates to a vehicle seat sliding device capable of locking a seat to a selected position or sliding it to a different position so as to adjust the forward and backward positions of the vehicle seat, and to facilitate the fixing of the vehicle. A lower rail formed; Upper slide is installed to enable sliding back and forth along the lower rail; And a locking device that is installed on the upper slide and selectively locks or releases the upper slide on the lower rail. The locking device includes an upward locking method in which the dentition is locked from the lower side to the upper side. It may include a; locking plate that can be fastened with a portion of the rail grooves formed in the lower rail.

Description

Seat sliding apparatus for vehicle

The present invention relates to a seat sliding device for a vehicle, and more specifically, for a vehicle that can lock the seat to a selected position or slide it to a different position so as to adjust the forward and backward position of the seat for the vehicle, and can easily fix the vehicle. It relates to a seat sliding device.

In general, the vehicle is provided with a seat for the occupant, and the position of the seat can be adjusted according to the physique, taste, situation, or needs of the occupant. Among them, a detachable seat sliding device for a vehicle called a “long slide” has been widely applied and used to adjust the forward and backward positions of the seat.

Such a seat sliding device for a vehicle may be installed to maintain a locked state at a specific position, and when a user selectively operates an operating device such as a lever, button, or switch, the locked state is released and sliding along the rail is possible. Subsequently, the user can fix the seat at a desired position by sliding the seat and locking the selected position by operating the operating device again.

On the other hand, a conventional conventional vehicle seat sliding device is installed with a locking plate that is locked by being engaged with a part of a plurality of rail grooves formed in the lower rail, and when the rail grooves are formed in the center of the bottom surface of the lower rail, the lower rail Since a hole for fixing bolts for fixing to the vehicle's body bottom cannot be formed in the center of the bottom surface, additional brackets for fixing the lower rail are additionally manufactured, and parts such as forming a hole for fixing bolts for brackets There was a problem in that the number is increased, thereby increasing the cost, and the number of labors, such as the work of fastening the bracket, is also increased, and productivity is greatly reduced.

In addition, when only one row of rail grooves is formed in the center of the bottom surface of the lower rail, the load of the seat and passengers is concentrated on only a very small portion of the rail groove of one row, resulting in malfunction of the device or component damage due to wear of parts. The back could be generated.

In addition, the conventional downward locking type lower rail has a number of problems, such as a malfunction when locking because the locking plate is not fastened when foreign matter exists in the frame grooves.

The present invention is to solve a number of problems, including the problems as described above, a separate bracket is unnecessary, thereby reducing the number of parts and the number of labor to reduce the unit cost of the product and greatly improve productivity, seat and passenger By distributing the load of the first rail grooves and the second rail grooves, that is, two rows of left and right rail grooves, it is possible to improve the strength and durability of the product, and as an upward locking method, even if a foreign substance exists inside the lower rail, gravity It is an object of the present invention to provide a seat sliding device for a vehicle that can smoothly perform locking and releasing operations because it does not affect the rail grooves. However, these problems are exemplary, and the scope of the present invention is not limited thereby.

A vehicle seat sliding device according to the spirit of the present invention for solving the above problems includes a lower rail formed long in a forward-backward direction; Upper slide is installed to enable sliding back and forth along the lower rail; And a locking device that is installed on the upper slide and selectively locks or releases the upper slide on the lower rail. The locking device includes an upward locking method in which the dentition is locked from the lower side to the upper side. It may include a; locking plate that can be fastened with a portion of the rail grooves formed in the lower rail.

In addition, according to the present invention, the locking plate, the first plate is installed to be able to move up and down along the vertical guide portion of the upper slide, is formed in the vertical direction as a whole; And it is installed on the first plate to enable the lifting and lowering together with the first plate, is formed in a horizontal direction as a whole, when the first plate is raised, at least one agent on the upper surface so as to be locked and locked with the lower rail It may include a; second plate is formed to protrude upwardly as a whole dentition.

In addition, according to the present invention, the second plate is a bent form so that the first dentition that is fastened to the first rail groove of the lower rail is formed at one end, and the central portion is connected to the first plate. The end portion is bent to form a second dentition which is engaged with the second rail groove of the lower rail, and may be a gullwing type as a whole.

In addition, according to the present invention, the second plate may be formed with a fastening hole to be fastened to the fastening protrusion of the first plate in the center.

Further, according to the present invention, the second plate, for strength reinforcement, a first row groove portion is formed between the first dentition and the central portion, and a second row groove portion can be formed between the second dentition and the central portion. have.

In addition, according to the present invention, the lower rail is formed in the receiving space for receiving the second plate therein to move up and down, and a central slit into which the first plate is inserted into the upper surface is formed long in the longitudinal direction, The first rail grooves in which the first teeth may be engaged are formed long in the longitudinal direction on one side of the central slit, and the second rail grooves in which the second teeth are engaged in the other side of the central slit are the length. It can be formed long in the direction.

In addition, according to the present invention, the locking device, one end is rotatably installed around a first hinge axis formed on one side of the upper slide, the middle portion is a link coupling by a joint pin formed on one surface of the locking plate And, the operating lever is formed with a pressing portion on the other end; And an elastic member that is installed between the upper slide and the operation lever, and that a restoring force acts in a direction of raising the operation lever.

Further, according to the present invention, the elastic member may be a coil spring, one end of which is engaged with the upper surface hole of the upper slide, and the other end of which is engaged with the joint pin.

According to some embodiments of the present invention made as described above, a separate bracket is unnecessary because a hole for the fixing bolt can be formed in the center of the bottom surface of the lower rail, thereby reducing the number of parts and the number of parts. It can reduce the unit cost of the product and greatly improve the productivity, and distribute the seat and passenger loads into the first rail grooves and the second rail grooves, that is, the two rows of left and right rail grooves to improve the strength and durability of the product. , As an upward locking method, even if there is a foreign substance inside the lower rail, it does not affect the rail grooves by gravity, so it has an effect of smoothing the locking and unlocking operation. Of course, the scope of the present invention is not limited by these effects.

1 is an external perspective view showing a vehicle seat sliding device according to some embodiments of the present invention.
FIG. 2 is a rear perspective view showing the vehicle seat sliding device of FIG. 1.
3 is an exploded perspective view of a part of the vehicle seat sliding device of FIG. 1.
4 is a perspective view showing the locking plate of the vehicle seat sliding device of FIG. 3.
5 is a side view showing a locked state of the vehicle seat sliding device of FIG. 1.
FIG. 6 is a side view showing an unlocked state of the vehicle seat sliding device of FIG. 1.
7 is a cross-sectional view showing a locked state of the vehicle seat sliding device of FIG. 5.
8 is a cross-sectional view showing a released state of the vehicle seat sliding device of FIG. 6.

Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art, and the following embodiments may be modified in various other forms, and the scope of the present invention is as follows. It is not limited to the Examples. Rather, these embodiments are provided to make the present disclosure more faithful and complete, and to fully convey the spirit of the present invention to those skilled in the art. In addition, the thickness or size of each layer in the drawings is exaggerated for convenience and clarity of explanation.

The terms used in this specification are used to describe specific embodiments, and are not intended to limit the present invention. As used herein, singular forms may include plural forms unless the context clearly indicates otherwise. Also, as used herein, “comprise” and / or “comprising” specifies the shapes, numbers, steps, actions, elements, elements and / or the presence of these groups. And does not exclude the presence or addition of one or more other shapes, numbers, actions, elements, elements and / or groups.

Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the drawings, for example, depending on the manufacturing technology and / or tolerance, deformations of the illustrated shape can be expected. Therefore, embodiments of the inventive concept should not be interpreted as being limited to a specific shape of the region shown in this specification, but should include, for example, a change in shape resulting from manufacturing.

Hereinafter, a vehicle seat sliding device 100 according to various embodiments of the present invention will be described in detail with reference to the drawings.

1 is an exterior perspective view showing a vehicle seat sliding device 100 according to some embodiments of the present invention, FIG. 2 is a rear perspective view showing a vehicle seat sliding device 100 of FIG. 1, and FIG. 3 is a view of FIG. 1 It is an exploded perspective view of a part of the vehicle seat sliding device 100, and FIG. 4 is a perspective view showing the locking plate 31 of the vehicle seat sliding device 100 of FIG. 3.

First, as shown in Figures 1 to 4, the vehicle seat sliding device 100 according to some embodiments of the present invention, the lower rail 10, the upper slide 20 and the locking device 30 It may include.

For example, as shown in FIGS. 1 to 4, the lower rail 10 is fixed to be immovable on a body side of a vehicle, for example, a floor surface of a vehicle interior, to guide a sliding path of a vehicle seat. A guide space is formed in the inside so as to be formed to be elongated in the longitudinal direction, and the upper part may be formed in an open bar shape. The lower rail 10 may be formed such that the first rail groove H1 in a row and the second rail grooves H2 in another row are arranged in a lengthwise direction on each of the upper left and right sides. However, the lower rail 10 is not necessarily limited to the drawings, for example, all rail structures of various shapes and types may be applied as needed, for example, widely formed in the left and right width directions or disposed in the left and right directions of the vehicle. .

In addition, for example, as shown in Figures 1 to 4, the upper slide 20, as being able to be fixed to the seat side of the vehicle to correspond to the lower rail 10, the lower rail 10 Accordingly, it can be installed to enable sliding forward and backward.

Therefore, the upper slide 20 can be freely moved forward and backward along the lower rail 10, and a locking operation and a release operation are possible using the locking device 30 to be described later. However, the upper slide 20 is not necessarily limited to the drawings, and all movable structures of various shapes and types may be applied as necessary.

That is, for example, the upper slide 20 may include various parts such as a movable body capable of installing a rolling bearing or a case covering the movable body so that an internal space can be formed. However, it is not necessarily limited thereto, and the upper slide 20 may be formed in a wide variety of shapes, such as integrally formed or formed in various frame shapes.

In addition, for example, as shown in FIGS. 1 to 4, the locking device 30 is installed on the upper slide 20 and selectively locks the upper slide 20 to the lower rail 10. It may include a locking device 30 to release the locking or unlocking.

For example, the locking device 30, the locking plate 31 that can be engaged with a portion of the rail grooves formed in the lower rail 10 in an upward locking manner that is locked while the dentition rises from the bottom upwards It can contain.

More specifically, for example, as illustrated in FIGS. 1 to 4, the locking plate 31 is installed to allow vertical movement along the vertical guide portions G1 and G2 of the upper slide 20. First plate 31-1 formed in a vertical direction as a whole; And the first plate (31-1) is installed on the first plate (31-1) to be able to move up and down, and is formed in a horizontal direction as a whole, when the first plate (31-1) rises the It may include a second plate (31-2) is formed to protrude upward as a whole at least one first dentition (T1) on the upper surface so as to be locked and locked with the lower rail (10).

Here, as shown in Figure 3, the vertical guide portion (G1) (G2) is made of a resin material to prevent noise and vibration, the first vertical guide portion (G1) is the upper slide ( 20) may be inserted into the upper groove U formed on the upper surface, and the second vertical guide portion G2 may be inserted into the upper slide 20.

In addition, for example, as shown in FIGS. 3 and 4, the second plate 31-2 has the first teeth connected to the first rail groove H1 of the lower rail 10 at one end. (T1) is a bent form so as to be formed, the central portion is connected to the first plate (31-1), the second end of the second rail groove (H2) of the lower rail 10 is fastened to the second teeth ( T2) is a bent form to be formed, and may be a gullwing type as a whole.

In addition, as shown in FIGS. 3 and 4, in order to form the locking plate 31, the second plate 31-2 fastens the first plate 31-1 to the center portion. A fastening hole H3 may be formed to be fastened with the projection C.

Thus, as shown in Figure 3, after inserting the fastening projection (C) of the first plate (31-1) in the fastening hole (H3) of the above-described second plate (31-2), The locking plate 31 of the above-mentioned gull wing type may be formed by welding or bonding.

Here, the second plate (31-2), for the strength reinforcement, a first row groove (L1) is formed between the first dentition (T1) and the center, the second dentition (T2) and the A second row groove portion L2 may be formed between the center portions.

Therefore, the strength and durability of the second plate 31-2 can be sufficiently secured by the first row groove portion L1 and the second row groove portion L2.

Meanwhile, for example, as illustrated in FIGS. 1 to 3, the lower rail 10 is formed with an accommodation space A in which the second plate 31-2 is accommodated and elevated. The first slit (S) in which the first plate (31-1) is inserted in the upper surface is formed long in the longitudinal direction, the first dentition (T1) can be meshed to one side of the central slit (S) Rail grooves (H1) are formed to be elongated in the longitudinal direction, the second rail groove (H2) in which the second dentition (T2) can be engaged to the other side of the central slit (S) is formed to be elongated in the longitudinal direction Can be.

As shown in FIG. 3, the lower rail 10 has first rail brackets 11 and 11 at both ends, respectively, so that the upper slide 20 is not separated, and both ends of the lower rail 10 are protected. The second rail bracket 12 may be installed. However, it is not necessarily limited to this.

In addition, as shown in Figures 1 to 4, the locking device 30, one end is pivotably installed around the first hinge axis (HS1) formed on one side of the upper slide 20 is installed , Interrupt portion is linked by a joint pin portion (P) formed on one surface of the locking plate 31, the operating lever 32 is formed with a pressing portion (B) at the other end, the upper slide 20 and the It is installed between the operation lever 32, the upper slide so as to prevent the elastic member 33 and the first plate (31-1) from acting on the restoring force in the direction of raising the operation lever 32 to be separated. It is installed on the (20), it may further include a departure preventing plate 34 formed in a shape surrounding the first plate (31-1).

In addition, as shown in Figure 3, the elastic member 33, one end is engaged with the upper surface hole (H4) of the upper slide 20, the other end is in the engaging groove of the joint pin (P) It may be a coil spring that is engaged.

5 is a side view showing a locked state of the vehicle seat sliding device 100 of FIG. 1, and FIG. 7 is a cross-sectional view showing a locked state of the vehicle seat sliding device 100 of FIG. 5.

When explaining the operation process of the vehicle seat sliding device 100 according to some embodiments of the present invention, first, as illustrated in FIGS. 5 and 7, an external force acts on the operation lever 32 in the locked state. As not being, while maintaining the state in which the locking plate 31 is raised by the restoring force of the elastic member 33, the first dentition T1 of the locking plate 31 is the first rail groove (H1) ), The second teeth T2 of the locking plate 31 may be engaged with some of the second rail grooves H2.

That is, the load of the seat and the passenger can be distributed to the first rail grooves H1 and the second rail grooves H2, that is, two rows of left and right rail grooves to improve the strength and durability of the product.

At this time, a separate bracket is unnecessary because it can form a hole for the fixing bolt in the center of the bottom surface of the lower slit S of the lower rail 10, that is, a separate bracket is not required. By reducing it, you can reduce the unit cost of the product and greatly improve the productivity.

FIG. 6 is a side view showing the release state of the vehicle seat sliding device 100 of FIG. 1, and FIG. 8 is a cross-sectional view showing the release state of the vehicle seat sliding device 100 of FIG. 6.

Subsequently, as shown in FIGS. 6 and 8, in the released state, an external force acts on the operation lever 32 so that the operation lever 32 overcomes the restoring force of the elastic member 33 and is rotated. The locking plate 31 interlocked with the lever 32 may be lowered.

At this time, the first teeth T1 and the second teeth T2 of the locking plate 31 are the first rail grooves H1 and the second rail grooves H2 of the lower rail 10. ), The upper slide 20 can be freely sliding.

Subsequently, when the external force of the operation lever 32 disappears, as shown in FIGS. 5 and 7 described above, by the restoring force of the elastic member 33, the locking plate 31 is restored to the locking plate 31 ), The first dentition T1 is engaged with some of the first rail grooves H1, and the second dentition T2 of the locking plate 31 is the second rail grooves H2. It can be meshed with some of them.

Therefore, the locking plate 31 of the upward locking method is that even if a foreign material is inserted into the lower rail 10 due to carelessness or long-time use of the passenger, the foreign material is dropped on the bottom surface by gravity. Since it does not affect the rail grooves formed on the upper portion, the locking and unlocking operations can be smoothly performed.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

10: Lower rail
11: 1st rail bracket
12: 2nd rail bracket
20: upper slide
30: locking device
31: locking plate
31-1: 1st plate
31-2: Second plate
32: operating lever
33: elastic member
34: departure prevention plate
T1: first dentition
T2: 2nd dentition
C: Fastening projection
H1: 1st rail groove
H2: 2nd rail groove
H3: Fastening hole
H4: Top Hall
L1: first row groove
L2: second row groove
A: accommodation space
S: center slit
HS1: 1st hinge axis
P: Joint pin
B: Pressing part
100: vehicle seat sliding device

Claims (8)

A lower rail in which a part of the upper portion is formed in an open rod shape in a longitudinal direction in the forward-backward direction, and the first rail grooves in a row on one side of the upper surface and the second rail grooves in a row on the other side are disposed in a lengthwise direction;
Upper slide is installed to enable sliding back and forth along the lower rail; And
It is installed on the upper slide, the locking device for selectively locking or unlocking the upper slide to the lower rail; includes,
The locking device,
It includes; a locking plate that can be engaged with a portion of the rail grooves formed in the lower rail in an upward locking manner in which the dentition rises from the bottom to the top and is locked;
The locking plate,
A first plate that is vertically mounted along the vertical guide portion of the upper slide and is formed in a vertical direction as a whole; And
The first plate is installed on the first plate so as to be able to move up and down, and is formed in a horizontal direction as a whole, and when the first plate is raised, at least one first on the upper surface so as to be locked and locked with the lower rail. The second plate is formed so that the entire teeth and the second dentition protrude upwards; includes,
The second plate,
The first rail groove of the lower rail is bent upward to form the first dentition that is fastened in an upward locking manner, and a central portion is connected to the first plate, and the lower end of the lower rail A vehicle seat sliding device that is bent upward to form the second dentition that is fastened in an upward locking manner with the second rail groove, and is a gullwing type as a whole. delete delete According to claim 1,
The second plate,
A vehicle seat sliding device in which a fastening hole is formed to be fastened to the fastening protrusion of the first plate in the center. According to claim 1,
The second plate,
A vehicle seat sliding device for strengthening strength, wherein a first row groove is formed between the first teeth and the center, and a second row groove is formed between the second teeth and the center. According to claim 1,
The lower rail,
A receiving space for receiving and moving the second plate therein is formed therein, a central slit in which the first plate is inserted in the upper surface is formed in a lengthwise direction, and the first dentition meshes on one side of the central slit The first rail grooves which can be formed are elongated in the longitudinal direction, and the second rail grooves in which the second dentition can be meshed on the other side of the central slit are elongated in the longitudinal direction. According to claim 1,
The locking device,
An operation lever at which one end is rotatably installed around a first hinge axis formed on one side of the upper slide, a middle portion is linked by a joint pin portion formed on one surface of the locking plate, and a pressing portion is formed at the other end; And
An elastic member installed between the upper slide and the operating lever, and a restoring force acts in a direction to raise the operating lever;
Including, the vehicle seat sliding device. The method of claim 7,
The elastic member, one end is engaged with the upper surface hole of the upper slide, the other end is a coil spring that is engaged with the joint pin portion, the vehicle seat sliding device.

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