KR101262718B1 - Seat track for vehicle with locking device compensate gap - Google Patents

Abstract

The present invention relates to a seat track for a vehicle having a clearance compensation type locking device. The object of the present invention is to enable easy coupling and disassembly of a locking hole and a locking pin, and to maintain a stable coupling state to generate noise or vibration. In addition, the present invention provides a vehicle seat track having a clearance compensation type locking device that increases safety by maintaining a stable coupling state even when an accident occurs. The vehicle seat track according to the present invention includes an inner wall member having a plurality of first inner locking holes and an outer wall member having a plurality of first outer locking holes, and coupled to a seat of the vehicle to move together with the seat. track; A lower track including an inner wall member having a plurality of second inner locking holes and an outer wall member having a plurality of second outer locking holes, and fixed to a vehicle body in combination with the upper track to support movement of the upper track; ; And a locking plate installed on the upper track and moving in a vertical direction by a user's operation, and having a locking plate having a plurality of locking pins inserted into or separated from the first and second inner locking holes and the first and second outer locking holes. The second inner locking hole and the second outer locking hole is formed in a structure that the locking pin is inserted by the rising of the locking plate, the lower end is opened so that the locking pin is separated by the falling of the locking plate, The locking pins are inserted into the first and second inner locking holes to connect the upper and lower tracks, and the outer and the outer tracks are inserted into the first and second outer locking holes to bind the upper and lower tracks. Consists of a locking pin, the locking pin of any one of the inner locking pin and the outer locking pin is composed of a straight locking pin having a constant width, the remaining locking pin from the center to both ends Section having a width which increases as is configured to be formed into a spherical lock the kingpin.

Description

Seat track for vehicle with locking device compensated gap

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat track for a vehicle, and in particular, by automatically compensating for a gap formed between an upper track, a lower track, and a locking device, thereby maintaining a stable combination of the upper track, the lower track, and the locking device. The present invention relates to a seat track for a vehicle having a gap compensation type locking device capable of suppressing the occurrence of noise and maintaining a stable engagement even in the event of an accident to prevent the seat from being separated from the vehicle body.

In general, the vehicle seat is to maintain a comfortable position for the driver and passengers, and is composed of a seat cushion and a seat back, and in the case of the driver's seat and the passenger seat seat disposed in the front row of the vehicle, the position is adjusted according to the physical condition of the passenger The sliding movement in the front-back direction of a vehicle is provided so that this may be possible.

As such, the driver's seat and the passenger seat seat are coupled to the vehicle body via the seat track in order to move the seat back and forth in accordance with the physical condition of the occupant.

1 is a cross-sectional view showing the structure of a conventional seat track.

The seat track may include an upper track 10 coupled to the seat, a lower track 20 fixed to the vehicle body and coupled to the upper track 10 to support the movement of the upper track, and selectively restrain the movement of the upper track. It consists of a locking device 30 for binding the upper track and the lower track so that it can be.

Meanwhile, the upper track 10 and the lower track 20 are provided with a plurality of locking holes 11 and 21 into which the locking pin 31 provided in the locking device 30 is inserted, and the locking pin 31 is It is usually inserted into the locking holes (11, 21) provided in the upper track 10 and the lower track 20 to restrain the movement of the upper track to prevent the movement of the sheet.

On the other hand, when the user rotates the locking device 30 through the manipulation of the lever not shown to adjust the position of the seat, the locking pin 31 is released from the locking holes (11, 21), the upper track 10 and the lower The binding of the track 20 is released. At this time, the user adjusts the position of the seat by pushing or pulling the seat in the front and rear direction of the vehicle. Then, when the lever is released, the locking device 30 is restored to its original position and locked. The king pin 31 is inserted into the locking holes 11 and 21 to constrain the movement of the upper track.

As described above, the seat track is configured to allow the selective movement of the upper track by coupling and separating the locking hole and the locking pin, ensuring the proper coupling structure of the locking hole and the locking pin affects the quality of the seat track. This is a very important factor.

For example, when the locking hole is formed larger than the locking pin for smooth coupling and separation of the locking hole and the locking pin, the upper track flows due to the gap generated between the locking hole and the locking pin. There is a problem that vibration occurs.

On the other hand, when the locking hole is formed to fit the size of the locking pin in order to suppress the occurrence of the noise or vibration as described above, there is a problem in that the operation of the seat track is not easy because the locking hole and the locking pin are not easily coupled and separated. .

The present invention has been made in consideration of the above problems, and an object of the present invention is to enable easy coupling and disassembly of the locking hole and the locking pin, and to maintain a stable coupling state to suppress the occurrence of noise or vibration. In addition, the present invention provides a vehicle seat track having a clearance compensation type locking device that increases safety by maintaining a stable engagement even in the event of an accident.

The gap compensation type locking device of the present invention, which achieves the object as described above and accomplishes a problem for eliminating the conventional drawback, includes an inner wall member having a plurality of first inner locking holes, and a plurality of first outer locking holes. An upper track including a formed outer wall member and coupled with the seat of the vehicle to move together with the seat; A lower track including an inner wall member having a plurality of second inner locking holes and an outer wall member having a plurality of second outer locking holes, and fixed to a vehicle body in combination with the upper track to support movement of the upper track; ; And a locking plate installed on the upper track and moving in a vertical direction by a user's operation, and having a locking plate having a plurality of locking pins inserted into or separated from the first and second inner locking holes and the first and second outer locking holes. The second inner locking hole and the second outer locking hole is formed in a structure that the locking pin is inserted by the rising of the locking plate, the lower end is opened so that the locking pin is separated by the falling of the locking plate, The locking pins are inserted into the first and second inner locking holes to connect the upper and lower tracks, and the outer and the outer tracks are inserted into the first and second outer locking holes to bind the upper and lower tracks. Consists of a locking pin, the locking pin of any one of the inner locking pin and the outer locking pin is composed of a straight locking pin having a constant width, the remaining locking pin from the center to both ends Section having a width which increases as is characterized in that formed in a rectangular lock the kingpin.

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At this time, more preferably, the inner locking pin is composed of a long locking pin, the outer locking pin is composed of a straight locking pin.

In addition, the locking hole coupled with the long-term locking pin among the first and second inner locking holes or the first and second outer locking holes is preferably formed in a trapezoidal shape that becomes narrower toward the top.

Meanwhile, the locking hole coupled to the linear locking pin among the first and second inner locking holes or the first and second outer locking holes is formed at different heights in the upper track and the lower track, and the locking hole formed in the upper track is the straight locking pin. It is formed at a relatively low height to preferentially contact and support the upper surface of the.

On the other hand, the locking plate is preferably formed integrally with the operation pin and the inner locking pin and the outer locking pin extending vertically upward to receive the operating force from the user by cutting and bending one plate.

According to the present invention having the above characteristics, it is possible to provide an environment for easy coupling and disassembly of the locking hole and the locking pin, and the locking pin having four inclined surfaces formed on both sides inclined in different directions, the upper track By uniformly contacting the locking hole formed in the lower track and can maintain a stable binding state, through which there is an effect to suppress the occurrence of vibration or noise due to the flow of the upper track and improve the riding comfort.

In addition, the long locking pin can prevent the upper track from being separated from the lower track by the load acting on the upper and lower tracks in case of an accident, thereby effectively preventing the upper track from being separated from the lower track. There is an effect that can provide.

1 is a cross-sectional view showing the structure of a conventional seat track,
2 is an exploded perspective view of a seat track according to a preferred embodiment of the present invention;
3 is a cross-sectional view of a seat track according to a preferred embodiment of the present invention;
4 is a sectional view of an upper track according to the present invention;
5 is a cross-sectional view taken along line AA ′ of FIG. 4;
FIG. 6 is a cross-sectional view taken along the line BB ′ of FIG. 4;
7 is a cross-sectional view of the lower track according to the present invention;
8 is a cross-sectional view taken along line CC ′ of FIG. 7;
9 is a cross-sectional view taken along the line DD ′ of FIG. 7;
10 is a cross-sectional view showing the structure of the first outer locking hole and the second outer locking hole in the seat track according to an embodiment of the present invention;
11 is a cross-sectional view showing the structure of a locking device according to the present invention;
12 is a perspective view of a locking plate according to the present invention,
13 is a plan view showing the shape of the inner locking pin according to a preferred embodiment of the present invention;
14 is a view showing a state in which the upper track and the lower track are bound by the locking device,
15 shows a seat track with the most ideal assembly,
16 to 19 is a view showing a state in which the attitude of the locking plate is moved up, down, left and right.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The seat track for a vehicle according to the present invention is to improve the structure of the locking hole formed in the upper track and the lower track and the locking pin inserted into the locking hole so that the binding of the upper track and the lower track can be made more stable. The central portion is formed to be narrow and narrow in shape so that the locking pin has a shape similar to the janggu, and the width increases from the central portion to both ends thereof, and the locking hole coupled thereto is formed to have a trapezoidal shape.

According to such a long locking pin and a trapezoidal locking hole, if a play occurs in the assembly or processing error between the locking hole and the locking pin, the load acts on the upper track and is formed between the locking pin and the locking hole. The locking pin is moved to a position where the load is balanced to induce a stable coupling of the locking pin and the locking hole, thereby effectively suppressing the flow of the upper track.

2 shows an exploded perspective view of a seat track according to a preferred embodiment of the invention, and FIG. 3 shows a cross-sectional view of the seat track according to a preferred embodiment of the invention.

Vehicle seat track of the present invention having the above characteristics is composed of the upper track 100, the lower track 200 and the locking device 300, will be described in detail for each component below. Reference numeral 400 in FIG. 2 is a retainer for supporting a ball inserted between the upper track 110 and the lower track 200.

4 is a cross-sectional view of the upper track according to the present invention, FIG. 5 is a cross-sectional view taken along the line A-A 'of FIG. 4, and FIG. 6 is a cross-sectional view taken along the line B-B' of FIG.

The upper track 100 is composed of a plurality of first locking holes 110, which are combined with the vehicle seat and move together with the seat, in which the locking pin is inserted, similarly to the upper track of the known seat track.

At this time, the first locking hole 110 is composed of a plurality of first inner locking holes 111 and a plurality of first outer locking holes 112, wherein the first inner locking holes 111 are the upper track 100. Is formed in the inner wall member 120, and the first outer locking hole 112 is formed in the outer wall member 130 of the upper track 100. The inner side and the outer side referred to herein are based on the sheet, and the inner side of the sheet is referred to as the inner side, and the outer side of the sheet is referred to as the outer side.

On the other hand, both the first inner locking hole 111 and the first outer locking hole 112 constituting the first locking hole 110 are formed in a structure in which the lower end is opened, so that the locking pin and the locking hole are moved by the vertical movement of the locking pin. It is configured to be combined and separated.

In addition, the locking hole coupled with the long locking pin, which will be described later, of the first inner locking hole 111 and the first outer locking hole 112 is formed in a trapezoidal cross-sectional structure that is narrowed toward an upper portion thereof. The remaining locking hole coupled with the straight locking pin is formed to have a constant width in the vertical direction. At this time, the locking hole formed with a certain width is formed so that a small gap G is generated between the locking pin and the locking pin, so that the locking pin and the locking hole can be smoothly coupled and separated while the long locking pin moves in the locking hole. The linear locking pin formed integrally with the spherical locking pin provides a space for moving. Meanwhile, according to a preferred embodiment of the present invention, the first inner locking hole 111 is formed in a trapezoidal cross-sectional structure, and the first outer locking hole 112 is formed to have a predetermined width. 6 is shown.

FIG. 7 is a cross-sectional view of the lower track according to the present invention, FIG. 8 is a cross-sectional view taken along the line C-C 'of FIG. 7, and FIG. 9 is a cross-sectional view taken along the line D-D' of FIG.

The lower track 200 is configured to support the movement of the upper track 100 in combination with the upper track 100, like the lower track of the known seat track, is fixed to the vehicle body, a plurality of locking pins are inserted Two locking holes 210 are formed.

At this time, the second locking hole 210 is composed of a plurality of second inner locking holes 211 and a plurality of second outer locking holes 212, where the second inner locking hole 211 is a first inner locking hole. It is formed in the inner wall member 220 of the lower track 200 to have a position corresponding to (111), the second outer locking hole 212 is a lower track to have a position corresponding to the first outer locking hole 112 It is formed in the outer wall member 230 of the (200).

As described above, both the second inner locking hole 211 and the second outer locking hole 212 constituting the second locking hole 210 are formed in a structure having an open lower end, and are coupled to the locking pin by the lifting and lowering of the locking plate. It is configured to be separated from.

In addition, the locking hole coupled with the long locking pin, which will be described later, of the second inner locking hole 211 and the second outer locking hole 212 is formed in a trapezoidal cross-sectional structure that becomes narrower toward the top, and will be described later. The remaining locking hole coupled with the straight locking pin is formed to have a constant width in the vertical direction. At this time, the locking hole formed with a certain width is formed so that a small gap (G) occurs between the locking pin and the locking pin and the locking hole to allow a smooth coupling and separation while the long locking pin is moved in the locking hole. The linear locking pin formed integrally with the spherical locking pin provides a space for moving. Meanwhile, according to a preferred embodiment of the present invention, the second inner locking hole 211 is formed in a trapezoidal cross-sectional structure, the second outer locking hole 212 is formed to have a constant width, such a structure is shown in Figure 8 and 9 is shown.

10 is a cross-sectional view showing the structure of the first outer locking hole and the second outer locking hole in the seat track according to the preferred embodiment of the present invention.

Meanwhile, in the preferred embodiment according to the present invention, the first outer locking hole 112 and the second outer locking hole 212 formed to have a different width are formed to have different heights, and the first outer side formed in the upper track 100. The height h1 of the first outer locking hole 112 is formed lower than the height h2 of the second outer locking hole 212 so that the locking hole 112 can contact and support the upper surface of the locking pin preferentially. . According to this structure, when the locking pin is raised, the first outer locking hole 112 located in close proximity to the locking pin may contact the upper surfaces of the plurality of locking pins so that the locking plate may be horizontal in the longitudinal direction of the seat track. It is supported so that the surface contact between the locking pin and the locking hole can improve the strength of the contact portion.

Of course, when the second outer locking hole 212 is formed at the same height as the first outer locking hole 112, the upper surface of the locking pin is brought into contact with both the first and second outer locking holes 112 and 212, thereby achieving a more stable structure. However, if the height of the upper surface of the first and second outer locking holes 112 and 212 is not uniform due to an error generated when the upper track and the lower track are assembled, it is difficult to keep the locking plate horizontal in the longitudinal direction of the seat track. In addition, the first outer locking hole 112 and the second outer locking hole 212 are formed at different heights from the horizontal maintenance side of the locking plate, and the strength of the first outer locking hole 112 is close to the locking pin. The height is made relatively low so that the first outer locking hole 112 contacts the upper surface of the locking pin, and the second outer locking hole 212 is spaced apart from the upper surface of the locking pin regardless of the assembly tolerance of the upper track and the lower track. To make it wind It is right.

Meanwhile, the first inner locking hole 111 and the first outer locking hole 112 formed in the upper track 100 are formed only in a partial region of the upper track 100 in correspondence with the inner locking pin and the outer locking pin which will be described later. The second inner locking hole 211 and the second outer locking hole 212 formed in the lower track 200 have a structure in which a plurality of the second inner locking holes 212 are arranged along the longitudinal direction of the lower track 200. It is formed in a wide range (see Figure 2).

11 is a cross-sectional view showing the structure of the locking device according to the invention, Figure 12 is a perspective view of the locking plate according to the present invention, Figure 13 is a plan view showing the shape of the inner locking pin according to a preferred embodiment of the present invention. Doing.

The locking device 300 is coupled to the upper track 100 and the lower track 200 while moving up and down by a user's operation to suppress the movement of the sheet, or the upper track 100 and the lower track 200 Release the binding to allow the seat to be adjusted.

The locking device 300 includes a locking plate 310 having a plurality of locking pins 311 inserted into the first and second locking holes 110 and 210, and an operating force transmitted from a user by elastically supporting the locking plate 310. When it is released is composed of a spring 320 for restoring the locking plate 310 to the original position.

Meanwhile, the locking pins 311 formed on the locking plate 310 are inserted into the first and second inner locking holes 111 and 211 to bind the inner wall members 120 and 220 of the upper track 100 and the lower track 200 to each other. A plurality of outer locking pins 312 and a plurality of outer locking pins inserted into the first and second outer locking holes 112 and 212 to bind the outer wall members 130 and 230 of the upper track 100 and the lower track 200 to each other. 313.

On the other hand, any one of the inner locking pin 312 and the outer locking pin 313 is composed of a straight locking pin formed in a constant width, the other locking pin is narrowly narrow in the center located between the two wall members It is formed of a long locking pin having a width that is formed and increases from the center to both ends.

At this time, it is preferable that the inner locking pin 312 positioned inside the seat is composed of a long locking pin, and the outer locking pin 313 positioned outside the seat is formed of a straight locking pin. Since the change rate of the inner side is smaller than the outer side of the seat track due to the structural characteristics of the vehicle seat in the event of a collision of the vehicle, the long locking pin 311 having an effect of suppressing separation of the upper track 100 and the lower track 200 is used. By forming the inner locking pin 312 to bind the two inner wall members (120,220), it is possible to more effectively prevent the separation of the upper track 100 and the lower track 200 in the event of a collision, through which It is possible to provide a seat track with safety.

The locking plate 310 having the operation pin 314 for receiving the operation force from the user together with the inner locking pin 312 and the outer locking pin 313 as described above is cut and bent on a single plate to form an integrated structure. By forming, the convenience of manufacture and assembly can be improved.

The spring 320 is provided with a pair, the pair of springs 320 is provided, one end is coupled to the locking plate 310, the other end is fixed to the hook provided on the upper track (100). When the pair of springs 320 installed as described above is extended when the locking plate 310 descends by the operating force transmitted from the user, the pair of springs 320 accumulates a force for restoring the locking plate 310, and the operating force is released from the user. The locking plate 310 is raised while being restored to its original state.

Meanwhile, as shown in FIGS. 2 and 3, the inner and outer sides of the seat track may have a different height so as to have an asymmetrical structure. In FIGS. 2 and 3, the outer side of the seat track is formed higher than the inner side. As shown in FIG. 2, the heights of the inner locking pins 312 and the outer locking pins 313 of the locking plate 310 are different from each other. 12 is shown.

The position adjustment process of the seat using the seat track for a vehicle having the clearance compensation type locking device of the present invention configured as described above will be described, and through this, the effect of the seat track according to the present invention will be described.

Fig. 14 shows a view showing a state in which the upper track and the lower track are bound by the locking device.

In general, the locking plate 310 is maintained in a raised state by a pair of springs 320, wherein the plurality of inner locking pins 312 formed on one side of the locking plate 310 is the upper and lower tracks (100, 200) The plurality of outer locking pins 313 inserted into the first and second inner locking holes 111 and 211 provided in the inner wall members 120 and 220, and formed on the other side of the locking plate 310, are formed on the outer wall members of the upper and lower tracks 100 and 200. Since the state of being inserted into the first and second outer locking holes 112 and 212 provided in the 130 and 230 is maintained, the movement of the upper track 100 is suppressed to maintain the movement of the sheet.

On the other hand, as shown in Figure 13, when the plurality of inner locking pins 312 consisting of a long locking pin according to a preferred embodiment of the present invention is inserted into the first and second inner locking holes (111,211), each of the inner Four inclined surfaces 312a, 312b, 312c, and 312d formed to be inclined in different directions on both sides of the locking pin 312 have both side surfaces and a second inner locking hole 111 of a trapezoidal shape. While properly contacting both sides of the 211), the locking pin and the locking hole are induced in a stable coupling. In FIG. 13, the inclined surfaces of the two inner locking pins 312 positioned at the leftmost and rightmost sides are first and second inner locking holes. A state in contact with (111,211) is shown.

On the other hand, if a gap (gap) is generated between the inner locking pin 312 and the first inner locking hole 111 or the second inner locking hole 211 due to a machining error or assembly error, the inner locking pin 312 Force transmitted between the inclined four inclined surfaces 312a, 312b, 312c and 312d and both sides of the first inner locking hole 111 and both sides of the second inner locking hole 211 and transmitted to the upper track 100 The attitude of the locking plate 310 is changed in the direction of the balance of the forces. The posture change of the locking plate 310 is naturally made by the weight of the occupant or the load transmitted to the upper track 100 or the locking plate 310 during the driving of the vehicle without any additional manipulation.

Meanwhile, the attitude change of the locking plate 310 includes the vertical movement of the locking plate 310, the left and right movement of the locking plate 310, and the tilting of the locking plate 310. The attitude change of the locking plate 310 is described above. As described above, the force formed between the inner locking pin 312 and the first and second inner locking holes 111 and 211 and the force acting on the upper track 100 are made in a balanced direction.

Meanwhile, FIG. 15 is a view illustrating a seat track having an ideal assembly state, and FIGS. 16 and 17 show an inner wall member 120 of the upper track 100 and an inner wall member 220 of the lower track 200. When an error occurs in the interval between the), the attitude of the locking plate 310 is adjusted up and down and left and right to compensate for this, and the inner wall member 220 of the lower track 200 in Figures 18 and 19 ) Shows a state in which the attitude of the locking plate 310 is adjusted up, down, left, and right to compensate for this when it is inclined by a predetermined angle inward and outward. On the other hand, although not shown, the attitude may be changed so that the locking plate 310 is rotated inclined around the contact point with the first outer locking hole 112 to balance the force.

As described above, the seat track according to the present invention has four inclined surfaces 312a, 312b, 312c, and 312d provided on both sides of the inner locking pin 312 composed of a long locking pin having a trapezoidal structure. The attitude of the locking plate 310 is automatically adjusted to the position where the balance of the force is made while contacting both sides of the locking holes 111 and 211, thereby binding the upper track 100 and the lower track 200 to a more stable structure. It becomes possible to suppress the generation of vibration or noise due to the flow of the upper track 100.

Meanwhile, in the case of a long locking pin according to the present invention, both end portions have a larger width than the center portion, and both end portions having such a large width have inner wall members 120 and 220 of the upper track 100 and the lower track 200. By suppressing the spaced apart from each other (see FIG. 13), it is possible to prevent the locking pin from being separated from the locking hole when a collision accident occurs. Therefore, in the event of a collision, the upper track 100 is separated from the lower track 200, thereby effectively suppressing the seat from moving away from the vehicle body or suddenly moving due to the release of the locking, thereby having a seat having excellent stability. To provide a track.

On the other hand, when the occupant manipulates the lever (not shown) to perform the position adjustment of the seat to maintain a more comfortable posture, the operating force through the lever is transmitted to the operation pin 314, the locking plate 310 is lowered, The inner track pins 312 and the outer locking pins 313 inserted into the first and second inner locking holes 111 and 211 and the first and second outer locking holes 112 and 212 are separated from the respective locking holes, and thus the upper track 100 Then, the restraint of the vehicle is performed, and the occupant then adjusts the seat position by pushing or pulling the seat.

On the other hand, after the seat adjustment is completed, if the occupant releases the lever, the locking plate 310 is raised by the elasticity of the spring 320, at this time the inner locking pin 312 and the outer side formed in the locking plate 310 The locking pins 313 are inserted into the corresponding locking holes, respectively, to bind the upper track 100 and the lower track 200 to restrain the movement of the sheet.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

Description of the Related Art
(100): upper track 110: first locking hole
111: first inner locking hole 112: first outer locking hole
120: inner wall member 130: outer wall member
(200): Lower track 210: Second locking hole
211: second inner locking hole 212: second outer locking hole
(300): locking device (310): locking plate
311: Locking pin 312: Inner locking pin
(313): outer locking pin (314): operation pin

Claims (6)

delete An inner wall member 120 having a plurality of first inner locking holes 111 and an outer wall member 130 having a plurality of first outer locking holes 112 formed therein, and coupled with the seat of the vehicle together with the seat. A moving upper track 100;
An inner wall member 220 having a plurality of second inner locking holes 211 and an outer wall member 230 having a plurality of second outer locking holes 212, and coupled to the upper track 100. A lower track 200 installed to be fixed to the vehicle body to support the movement of the upper track 100; And
A plurality of locking pins installed in the upper track 100 and moving in a vertical direction by a user's operation and inserted into or separated from the first and second inner locking holes 111 and 211 and the first and second outer locking holes 112 and 212. Consists of a locking device 300 having a locking plate 310 formed with (311),
The locking pin 311 is inserted into the second inner locking hole 211 and the second outer locking hole 212 by the rising of the locking plate 310, and the locking pin 311 is lowered by the locking plate 310. ) Is formed in a structure in which the lower end is opened so as to leave,
The locking pins 311 are inserted into the first and second inner locking holes 111 and 211, and the plurality of inner locking pins 312 for binding the upper track 100 and the lower track 200, and the first and second outer locking pins. Is inserted into the holes (112, 212) consists of a plurality of outer locking pins 313 for binding the upper track 100 and the lower track 200,
Any one of the inner locking pin 312 and the outer locking pin 313 is composed of a straight locking pin having a constant width, the remaining locking pin is a long locking pin having an increasing width from the center to both ends Vehicle seat track having a clearance compensation type locking device, characterized in that formed. The method of claim 2,
Vehicle seat track having a gap compensation type locking device, characterized in that the inner locking pin (312) is composed of a long locking pin, the outer locking pin (313) is a straight locking pin. The method of claim 2,
Among the first and second inner locking holes 111 and 211 or the first and second outer locking holes 112 and 212, the locking hole coupled with the long-term locking pin 311 is formed in a trapezoidal shape that becomes narrower toward the top. A vehicle seat track having a clearance compensation type locking device. The method of claim 2,
The locking holes coupled to the linear locking pins of the first and second inner locking holes 111 and 211 or the first and second outer locking holes 112 and 212 may be formed at different heights in the upper track 100 and the lower track 200. Vehicle seat track having a gap compensation type locking device, characterized in that the locking hole formed in the upper track 100 is formed at a relatively low height so as to contact and support the upper surface of the straight locking pin preferentially. The method of claim 2,
The locking plate 310 is formed by integrally forming the operation pin 314 and the inner locking pin 312 and the outer locking pin 313 extending vertically upward to receive a manipulation force from the user by cutting and bending one plate material. Vehicle seat track having a clearance compensation type locking device, characterized in that.

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