JP6758149B2 - Lock member mounting structure - Google Patents

Description

The present invention relates to a structure for mounting a lock member on an upper rail.

The right holder has a pair of left and right sliding rail assemblies and two end arms corresponding to each of the two sliding rail assemblies as a slide rail device for the vehicle seat, and connects the two sliding rail assemblies. A slide rail device including an operation lever provided so as to perform the sliding rail assembly with respect to the lower rail, the upper rail slidably attached to the lower rail, and the lower rail. The lower rail includes a locking member for locking the upper rail and a lever spring for holding the end arm of the operating lever on the upper rail, and the lower rail has a side wall on which a plurality of lock teeth are formed. The lock member is a long member having a spring elasticity and has a front end portion that can be engaged with the end arm of the operation lever, and a rear end portion that is fixed to the upper rail. The upper rail has an engaging portion that can be engaged with the lock teeth of the lower rail, and the upper rail has a long flat plate-shaped base that connects the left and right side wall portions, and the base of the upper rail has an engaging portion. A first fulcrum protrusion projecting on the lower surface side of the base near the front end portion thereof, and a second fulcrum protrusion projecting on the lower surface side of the base portion at a position separated from the first fulcrum protrusion. The fulcrum protrusion is provided, and the end arm of the operation lever comes into contact with the first and second fulcrum protrusions, and the tip of the end arm locks the upper rail with respect to the lower rail. A slide rail device characterized in that the operating lever is held by the lever spring on the upper rail so as to be in an initial posture so as to engage with the front end portion of the lock member in the locked arrangement state. (Patent Document 1).

According to such an invention, it is possible to secure a cancel function in which the locked state of the left and right sliding rail assemblies is maintained together in an emergency such as a vehicle collision, and the holding structure of the operating lever is simplified. It is a useful invention in that it has a function of being able to reduce costs.

Japanese Unexamined Patent Publication No. 2015-116998

The present invention aims to reduce costs with a simpler structure when attaching the lock member used for the slide rail of the vehicle seat to the upper rail, and when a large force exceeding the force during normal riding is applied to the slide rail. Even if the lock member is attached to the upper rail, the locking member can be prevented from coming off.

The present invention has adopted the following means in order to achieve the above-mentioned object.

The mounting structure of the lock member according to the present invention is
In the mounting structure of the lock member that is mounted to lock the slide of the upper rail of the slide rail for the vehicle seat.
The upper rail having a fixing first insertion hole for fixing the lock member, and
The lock member is formed on a fixing piece extending from the base of the lock member and has a fixing first protruding piece inserted into the fixing first insertion hole.
The fixing first insertion hole is formed by connecting a lower hole having a width into which the fixing first protruding piece can be inserted and an upper hole having a width in which the fixing first protruding piece cannot be inserted.
The first protrusion for fixing is formed with a groove such that a part thereof has a width narrower than the width of the upper hole.
The first protruding piece for fixing is inserted from the lower hole and then moved to the upper hole to be attached.

In the present invention, the first fixing protruding piece is inserted through the insertable lower hole and then moved to the upper hole narrower than the first fixing protruding piece, so that the first fixing protruding piece is first inserted for fixing. It is designed so that it cannot be removed from the hole. By adopting such a configuration, it is possible to prevent the fixing piece from coming off from the first fixing insertion hole even when an unexpected force is applied to the pair of fixing pieces.

Further, in the mounting structure of the lock member according to the present invention,
The first fixing insertion hole is provided at least on both inner side walls of the upper rail.
The fixing first protruding piece is a pair of fixings that are bifurcated and extended from the lock member base so as to be inserted into the respective fixing first insertion holes provided on both inner side walls. It may be characterized in that it is formed on the outside of the piece.

By adopting such a configuration, the fixing first protruding pieces are inserted and fixed to the fixing first insertion holes formed on both side walls, so that the fixing piece can be further fixed by the fixing first insertion. It is possible to prevent it from coming off the hole.

Further, in the mounting structure of the lock member according to the present invention,
The lock member has a second protruding piece formed in the vicinity of the first protruding piece for fixing.
The upper rail has a second insertion hole into which the second protruding piece is inserted.
The second insertion hole may be characterized by having a second support piece that supports the first protrusion for fixing so as to be arranged in the upper hole.

By adopting such a configuration, it is possible to prevent the first protruding piece for fixing from moving from the upper hole to the lower hole, so that even when an unexpected force is applied to the first protruding piece for fixing. It is also possible to prevent the first protruding piece for fixing from coming off from the lower hole.

Further, in the locking member mounting structure according to the present invention, when the locking member is biased and arranged between the pair of fixing pieces and the fixing first protruding piece is inserted into the fixing first insertion hole. , The fixing piece may be characterized by having a proximity preventing portion that abuts from the inside and prevents movement in the direction of coming off.

By adopting such a configuration, the fixing piece is prevented from moving from the inside by the proximity preventing portion in the direction in which the fixing piece comes off, so that the fixing piece can be prevented from coming off from the first fixing insertion hole.

Further, in the locking member mounting structure according to the present invention, the upper rail has a third insertion hole having fitting teeth on the upper rail side, and the locking member is located at the base of the locking member on the opposite side to the fixing piece. May be characterized in that a lock plate portion having a fitting hole for fitting with the fitting tooth on the upper rail side is provided on the upper rail.

By adopting such a configuration, it is possible to switch between a locked state and an unlocked state simply by providing a mechanism for moving the lock plate up and down, and it is possible to provide a low-cost locking member mounting structure with a simple structure.

The present invention aims to reduce costs with a simpler structure, and can prevent the lock member from coming off even when a large force exceeding the normal riding force is applied to the slide rail. It is possible to provide a mounting structure for the lock member.

FIG. 1 is a perspective view of the slide rail 100 according to the embodiment. FIG. 2 is a plan view showing a state in which the slide rail 100 and the operating lever 40 are arranged on the vehicle. FIG. 3 is a side view showing a state in which the vehicle seat 1 is attached to the slide rail 100. FIG. 4 is a perspective view of the upper rail 20, the lock member 30, and the operating lever 40. FIG. 5 is a side view of the fixing first insertion hole 26 and the second insertion hole 25 provided in the upper rail 20. FIG. 6 is a perspective view showing one step of an attachment method for attaching the lock member 30 to the upper rail 20. FIG. 7 is a perspective view showing one step of an attachment method for attaching the lock member 30 to the upper rail 20. FIG. 8 is a perspective view showing one step of an attachment method for attaching the lock member 30 to the upper rail 20. FIG. 9 is a perspective view and a cross-sectional view showing one step of an attachment method for attaching the lock member 30 to the upper rail 20. FIG. 10 is a perspective view in which a part of the slide rail is cut out. FIG. 11 is a diagram showing another embodiment of the fixing first insertion hole 26 and the second insertion hole 25 provided in the upper rail 20. FIG. 12 is a perspective view showing another embodiment of the mounting structure of the slide rail.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view of the slide rail 100 according to the present embodiment, FIG. 2 is a plan view showing an installed state of the slide rail 100, and FIG. 3 is a side view showing a state of being attached to the vehicle seat 1. Is. It should be noted that the embodiments and drawings described below exemplify a part of the embodiments of the present invention, and are not used for the purpose of limiting to these configurations. In addition, the same or similar reference numerals are given to the corresponding components in each figure. For convenience of explanation, FIGS. 4 to 9 are described by using a view in which the top and bottom are reversed with respect to the actual usage state, and in the reversed state of FIGS. 4 to 9, the upper side of the drawing is "upward". The lower side will be described as "downward". In the actual usage state, it is used in the state shown in FIG. 1 or FIG. When the slide rail 100 in the present embodiment is described, the mounting structure of the lock member 30 of the upper rail 20 and the upper rail 20 will be described at the same time.

As shown in FIG. 1, the slide rail 100 according to the present embodiment mainly includes a lower rail 10, an upper rail 20, a ball member 60 for securing a slide between the lower rail 10 and the upper rail 20, and an upper rail 20. It is provided inside with a lock member 30 that locks the slides of the lower rail 10 and the upper rail 20, and an operation lever 40 that moves the lock member 30 to operate the locked state and the unlocked state. When the slide rail 100 is attached to a vehicle, two slide rails 100 are arranged in parallel as shown in FIG. 2, and the slide rails 100 on both sides are operated in a locked state and an unlocked state. A common operating lever 40 is provided. As shown in FIG. 3, these two slide rails 100 and the operation lever 40 are attached to the vehicle seat 1 directly to the upper rail 20 or via a bracket or the like, and slide with respect to the lower rail 10 together with the upper rail 20. As a result, the vehicle seat 1 can be moved back and forth.

As shown in FIG. 1, the lower rail 10 is formed in the shape of a long rail, and is formed from a bottom surface portion 11, a pair of side surface portions 12 erected from both sides of the bottom surface portion 11, and these side surface portions 12. It includes a pair of upper surface portions 13 extending horizontally toward the center, and a pair of inner surface vertical portions 14 extending vertically downward from the upper surface portions 13. The inner surface vertical portion 14 is continuously provided with a plurality of locking fitting teeth 14a to be fitted when the sliding movement with the upper rail 20 is locked. In the present embodiment, the lower rail 10 will be described as an example of a type having a substantially quadrangular cross section, but the cross-sectional shape is not limited to this.

Next, the upper rail 20 and the lock member 30 will be described in detail. The following description will be given with reference to FIGS. 4 to 9, but the description will be given in a state in which the vehicle is actually mounted on the vehicle and upside down, and as shown by the arrows in FIG. The top and bottom in the state will be described as the top and bottom as they are, and the left and right and front and back will refer to the directions indicated by the arrows in FIG.

As shown in FIG. 4, the upper rail 20 is formed of a long member, and includes a horizontal portion 21, a pair of inner side walls 22 erected vertically at both ends of the horizontal portion 21, and a pair of the horizontal portions 22. It has a horizontal extension portion 23 extending in the outer horizontal direction from the inner side wall 22, and a pair of standing portions 24 erected vertically downward from the ends of the pair of horizontal extension portions 23. The cross section is formed in a substantially Ω shape.

The upper rail 20 has a first fixing insertion hole 26 and a second insertion hole 25 provided on the front side of the first fixing insertion hole 26 so as to straddle the inner side wall 22 and the horizontal extension portion 23. , A third insertion hole 27 provided on the rear side of the first insertion hole 26 for fixing is formed. The fixing first insertion hole 26, the second insertion hole 25, and the third insertion hole 27 are provided on the inner side walls 22 on both sides. The fixing first insertion hole 26 and the second insertion hole 25 are formed adjacent to each other on the front side of the upper rail 20, and the third insertion hole 27 is formed from the second insertion hole 25 and the fixing first insertion hole 26. It is formed so as to be separated from the rear side. The first protrusion 35 for fixing the lock member 30 is inserted into the first insertion hole 26 for fixing, the second protrusion 34 of the lock member 30 is inserted into the second insertion hole 25, and the third insertion hole 27 is inserted. The lock plate portion 38 of the lock member 30 is inserted into the lock member 30.

As shown in FIG. 5, the fixing first insertion hole 26 has an upper hole 26a (a portion where the horizontal line A in FIG. 5 is described) formed in the upper portion and a width wider than the upper hole 26a. , The lower hole 26b formed below the upper hole 26a (the portion where the vertical line A in FIG. 5 is described) is combined with the lower hole 26b. The width d ₁ of the upper hole 26a is formed narrower than the width α (see FIG. 4) of the first protrusion 35 for fixing the lock member 30, and the width d ₂ of the lower hole 26b is the width d ₂ for fixing the lock member 30. It is formed wider than the width α of 1 projecting piece 35. Therefore, the fixing first protruding piece 35 can be inserted only from the portion of the lower hole 26b. Conversely, the inserted first fixing protruding piece 35 can be removed only from the lower hole 26b, and cannot be removed from the portion of the upper hole 26a. Further, since the lower hole 26b is formed to be wider than the upper hole 26a, the lower hole upper wall surface 26c is formed on the rear side by the difference in the width.

The second insertion hole 25 is formed in a size that allows the second protruding piece 34 to be inserted, and a second supporting piece 25a that supports the second protruding piece 34 upward is formed on the lower surface thereof. The end face of the second support piece 25a is arranged above the lower hole upper wall surface 26c, or the height difference d ₃ between the end face of the second support piece 25a and the lower hole upper wall surface 26c is the lock member 30. It should be less than or equal to the thickness of the plate material. The end face of such Thus the second support piece 25a is disposed by whether or difference d ₃ within arranged above the lower hole on the wall surface 26c, the fixed first projecting piece 35 for the upper hole 26a side It is possible to prevent the first protruding piece 35 for fixing from inadvertently moving to the lower hole 26b. Therefore, the possibility that the fixing first protruding piece 35 will come off from the fixing first insertion hole 26 can be reduced. Further, above the fixing first insertion hole 26, a first supporting piece 26d for supporting the fixing first protruding piece 35 of the lock member 30 from above is provided.

The third insertion hole 27 is formed in a size that allows the lock plate portion 38 of the lock member 30 to be inserted, and the lower end surface of the third insertion hole 27, that is, the upper surface of the inner side wall 22, is fitted with the lock plate portion 38. The upper rail side fitting tooth 27a that fits with the joint hole 38a is formed in a saw shape. The horizontally extended portion 23 near the third insertion hole 27 is formed so as to be greatly curved upward, and when the lock plate portion 38 of the lock member 30 moves upward, the fitting hole of the lock plate portion 38 is formed. An area is secured so that the 38a can be completely removed from the upper rail side fitting tooth 27a. On the other hand, a protrusion 27b for preventing disengagement is provided to prevent the lock plate portion 38 of the lock member 30 from completely disengaging from the upper rail 20.

In addition, as shown in FIG. 1, the upper rail 20 is provided with a through hole 90 for mounting the vehicle seat 1 or a bracket (not shown) for mounting the vehicle seat 1 and a mounting protrusion 91b. These configurations are not particularly limited. In addition, other configurations required for the upper rail 20 are added as appropriate.

As shown in FIG. 4, the lock member 30 is manufactured by punching, bending, or the like on a single metal plate having spring elasticity, and the lock member base 31 and one side of the lock member base 31. With respect to the pair of fixing pieces 32 extending in two forks, the proximity prevention portion 33 arranged between the pair of fixing pieces 32, and the fixing piece 32 on the lock member base 31. It has a lock plate portion 38 provided on the opposite side and a misalignment prevention piece 39 extending forward from the lock plate portion 38.

When no force is applied, the pair of fixing pieces 32 are bifurcated and extended from the lock member base 31 so as to provide a space between them, and each pair of fixing pieces is extended. By applying a force, the 32 can narrow the distance between each other, and the tips can be completely brought into contact with each other as shown in FIG. In this state, the pair of fixing pieces 32 can be made narrower than the width of the inner side wall 22 of the upper rail 20. A second projecting piece 34 projecting outward is formed at the tip of the fixing piece 32. The second protruding piece 34 is formed to be narrower than the width of the second insertion hole 25 so that it can be inserted into the second insertion hole 25. A first fixing piece 35 is formed on the rear side of the second protruding piece 34, and corresponds to the first fixing insertion hole 26 when the second protruding piece 34 is inserted into the second insertion hole 25. It is provided at the position where it is used. The width α of the first protruding piece 35 for fixing has a width wider than the width d ₁ of the upper hole 26a and is formed to be narrower than the width d ₂ of the lower hole 26b. Therefore, as described above, the fixing first protruding piece 35 can be inserted only through the lower hole 26b. The base of the fixing first projecting piece 35, a groove 37 is formed, the width β of the groove 37 has a width narrower than the width d ₁ of the upper hole 26a. Further, the groove width γ of the groove 37 is formed wider than the thickness of the inner side wall 22. Therefore, the inner side wall 22 can be inserted into the groove 37.

Further, a proximity prevention portion 33 is provided which extends from the lock member base 31 so as to be arranged between the pair of fixing pieces 32 and prevents the pair of fixing pieces 32 from coming close to each other. There is. The proximity prevention unit 33 is arranged between the pair of fixing pieces 32 when no force is applied, but by applying a force and moving it downward, between the pair of fixing pieces 32. Can be removed from. Further, the tip of the proximity prevention portion 33 is curved so as to draw a U shape downward, and is arranged on the operation lever 40 when mounted, and the pair of fixing pieces 32 are moved upward by spring elasticity. It also has the function of urging.

On the other hand, a lock plate portion 38 is formed on the side opposite to the fixing piece 32 with respect to the lock member base portion 31. The lock plate portion 38 is formed with a plurality of fitting holes 38a for fitting the upper rail side fitting teeth 27a and the locking fitting teeth 14a. When the locking fitting teeth 14a are fitted into the fitting holes 38a of the lock plate portion 38, the slide of the upper rail 20 is locked, and when the fitting is released, the lock is released and the sliding is possible. .. In the present embodiment, a total of four fitting holes 38a are formed, two on each side, but the number thereof is not limited to this. Further, a fitting protrusion 38b formed by being curved downward is provided between the fitting holes 38a, and is brought into contact with the end of the operation lever 40 to function in positioning the operation lever 40. Has. Further, misalignment prevention pieces 39 extending in parallel from the lock plate portion 38 to both sides of the lock member base portion 31 are provided. A pair of substantially arc-shaped protrusions 39a are provided on the outer side surface of the misalignment prevention piece 39, and the pair of protrusions 39a press the pair of inner side walls 22 of the upper rail 20 to the left and right of the lock member 30. The misalignment of the direction is prevented.

As shown in FIG. 1, the operation lever 40 is for operation to form an operation portion by connecting a pair of end arm portions 41 attached to the slide rails 100 arranged on the left and right and the respective end arm portions 41. It has an arm portion 42 and has a substantially U-shaped shape as a whole. The tip end side of each end arm portion 41 is formed flat, and as shown in FIG. 4, the tip end 41a is formed on an inclined surface so as to come into contact with the lock member 30 on a surface. Further, when the slide rail 100 is installed in the vehicle, the end arm portion 41 is bent so that the operation arm portion 42 is arranged slightly upward. Further, in order to position the operation lever 40, a proximity prevention portion insertion hole 43 into which a curved portion of the proximity prevention portion 33 is inserted is formed.

The lower rail 10, the upper rail 20, the lock member 30, and the operating lever 40 configured as described above are assembled as follows. First, as shown in FIG. 6, a pair of fixing pieces 32 are brought close to each other so that they can be inserted into the inner side wall 22 of the upper rail 20 in a state where the proximity prevention portion 33 of the lock member 30 is pushed downward. The width of the pair of fixing pieces 32 is narrowed. In this state, the fitting protrusion 38b is set in the operating lever 40 and arranged in the upper rail 20 as shown in FIG. At this time, the lock plate portion 38 is inserted into the third insertion hole 27 so that the upper rail side fitting teeth 27a are fitted into the fitting holes 38a of the lock plate portion 38. Then, the second protruding piece 34 and the first fixing piece 35 are inserted into the second insertion hole 25 and the first fixing insertion hole 26, respectively. At this time, the fixing first protruding piece 35 can be inserted only from the lower hole 26b of the fixing first insertion hole 26, and the height of the lower hole upper wall surface 26c and the second support piece 25a. Since the difference d ₃ is equal to or less than the plate thickness of the lock member 30 (see FIG. 5), the vicinity of the first protruding piece 35 for fixing of the lock member 30 is slightly pressed downward to be curved and inserted. In this way, as shown in FIG. 8, the second protruding piece 34, the first fixing piece 35, and the lock plate portion 38 are inserted into the second insertion hole 25, the first fixing insertion hole 26, and the third insertion hole 27, respectively. Will be done. Further, as shown in FIG. 9, the inserted second protruding piece 34 and the fixing first protruding piece 35 are moved upward. As described above, the width β of the first protruding piece 35 for fixing the portion of the groove 37 has a width narrower than the width d _{1 of the} upper hole, and the groove width γ of the groove 37 is wider than the thickness of the inner side wall 22. Since it is formed, the inner side wall 22 of the lower hole upper wall surface 26c is fitted into the groove 37 by this movement. In this way, the fixing first protruding piece 35 cannot be disengaged from the fixing first insertion hole 26. As a result, the lock member 30 cannot move to the inside (center side) of the upper rail 20, and the lock member 30 is fixed to the upper rail 20. Further, since the proximity prevention portion 33 is arranged between the pair of fixing pieces 32, the proximity prevention portion 33 also prevents the lock member 30 from coming off from the second insertion hole 25 and the first fixing insertion hole 26. Will be done.

In the upper rail 20 thus produced, the end side of the end arm portion 41 moves upward around the fulcrum 45 by pushing down the operation lever 40 as shown in the cross-sectional view taken along the line AA of FIG. This movement pushes up the lock plate portion 38. By this movement, the fitting hole 38a of the lock plate portion 38 can be removed from the fitting tooth 27a on the upper rail side. In this state, by inserting the upper rail 20 into the lower rail 10 so as to slide from the end portion, the lower rail 10 and the upper rail 20 are assembled to form a slide rail 100.

In the slide rail 100, as shown in FIG. 10, the locking fitting teeth 14a of the lower rail 10 are arranged in parallel with the fitting teeth 27a on the upper rail side. Therefore, by pushing down the operation lever 40 downward (in the vehicle mounted state, the lever 40 is arranged upside down and pulled up), the end portion of the end arm portion 41 moves upward around the fulcrum 45, and this movement. Will push up the lock plate portion 38. As a result, both the upper rail side fitting tooth 27a and the locking fitting tooth 14a are separated from the fitting hole 38a of the lock plate portion 38, so that the upper rail 20 can slide with respect to the lower rail 10. When the operating lever 40 is released, the fitting hole 38a of the lock plate portion 38 is fitted with the upper rail side fitting tooth 27a and the locking fitting tooth 14a by the spring elasticity of the lock member 30, and the upper rail 20 slides. Is locked.

According to the mounting structure of the lock member 30 of the upper rail 20 thus produced, when the lock member 30 is mounted in the fixing first insertion hole 26, the fixing first protruding piece 35 becomes the fixing first insertion hole 26. Since it is arranged in the upper hole 26a, the fixing first protruding piece 35 formed wider than the width of the upper hole 26a is prevented from coming off from the fixing first insertion hole 26. Further, even when an unexpected force such that the lock member 30 moves downward is applied, the height difference d ₃ between the lower hole upper wall surface 26c and the second support piece 25a is the plate of the lock member 30. Since the thickness is set to be less than or equal to the thickness, it is prevented from coming off from the fixing first insertion hole 26 even if it is moved downward. Further, since the proximity prevention portion 33 is arranged between the pair of fixing pieces 32, the lock member 30 may be disengaged from the second insertion hole 25 and the first fixing insertion hole 26 by the proximity prevention portion 33 as well. Be prevented. As described above, according to the mounting structure of the lock member 30 of the upper rail 20 according to the present embodiment, the lock member 30 has a plurality of disengagement prevention mechanisms, and the lock member 30 is provided even when a large force is unexpectedly applied. It is prevented from coming off from the upper rail 20.

The present invention is not limited to the above-described embodiment, and can be implemented in various embodiments as long as it belongs to the technical scope of the present invention.

In the above-described embodiment, as the first insertion hole 26 for fixing, the lower hole 26b is formed so as to expand rearward with respect to the upper hole 26a, and the lower hole upper wall surface 26c is formed on the rear side. As shown in 11A, the lower hole 26b may be formed so as to extend to the front side with respect to the upper hole 26a, and the lower hole upper wall surface 26c may be formed on the front side, or as shown in FIG. 11B, the front side. It may be formed so as to spread to both the front side and the rear side, and the lower hole upper wall surface 26c may be formed on both the front side and the rear side. When the first fixing insertion hole 26 is adopted, the grooves 37 formed at the base of the first fixing protruding piece 35 of the lock member 30 correspond to the front side, the front side, and the rear side, respectively. It is advisable to provide it in.

Further, in the above-described embodiment, the fixing first insertion hole 26 and the second insertion hole 25 are provided on both inner side walls 22 of the upper rail 20, respectively, and correspondingly, the lock member base portion 31 is bifurcated. The pair of extending fixing pieces 32 are provided with the fixing first protruding piece 35 and the second protruding piece 34, respectively, but the present invention is not limited to this, and as shown in FIG. 12, the upper rail 20 is provided. The first insertion hole 26 and the second insertion hole 25 for fixing may be provided on the inner side wall 22 of any of the above, and the first protruding piece 35 and the second protruding piece 34 for fixing may be provided on one fixing piece 32. good.

As shown in the embodiments described above, it is industrially applicable to slide rails.

1 ... Vehicle seat, 10 ... Lower rail, 11 ... Bottom part, 12 ... Side part, 13 ... Top part, 14 ... Inner surface vertical part, 14a ... Lock fitting teeth, 20 ... Upper rail, 21 ... Horizontal part, 22 ... Inner side wall, 23 ... Horizontal extension part, 24 ... Standing part, 25 ... Second insertion hole, 25a ... Second support piece, 26 ... First insertion hole for fixing, 26a ... Upper hole, 26b ... Lower hole, 26c ... Lower hole upper wall surface, 26d ... 1st support piece, 27 ... 3rd insertion hole, 27a ... Upper rail side fitting tooth, 27b ... Disengagement prevention protrusion, 30 ... Lock member, 31 ... Lock member base, 32 ... Fixed Use piece, 33 ... Proximity prevention part, 34 ... Second protruding piece, 35 ... First fixing piece, 37 ... Groove, 38 ... Lock plate part, 38a ... Fitting hole, 38b ... Fitting protrusion, 39 ... Position Misalignment prevention piece, 39a ... protrusion, 40 ... operation lever, 41 ... end arm part, 42 ... operation arm part, 43 ... proximity prevention part insertion hole, 45 ... fulcrum, 90 ... through hole, 91b ... mounting protrusion, 100 ... Slide rail

Claims (5)

In the mounting structure of the lock member that is mounted to lock the slide of the upper rail of the slide rail for the vehicle seat.
A pair of inner side walls erected at both ends of the horizontal portion and the horizontal portion, and a horizontal extension portion extending in the outer horizontal direction from the pair of inner side walls, respectively, are provided, and the inner side wall and the horizontal extension portion are provided. The upper rail having a fixing first insertion hole for fixing the lock member so as to straddle the portion, and the upper rail.
The lock member is formed on a fixing piece extending from the base of the lock member and has a fixing first protruding piece inserted into the fixing first insertion hole.
The fixing first insertion hole is formed by connecting a lower hole having a width into which the fixing first protruding piece can be inserted and an upper hole having a width that cannot be inserted, and the upper hole extends horizontally. The lower hole is arranged on the installation side so that the lower hole is on the horizontal side, and the upper wall surface of the lower hole is formed above the lower hole by the difference in width between the lower hole and the upper hole.
A groove is formed at the base of the first fixing piece so that a part of the portion is narrower than the width of the upper hole.
A lock member mounting structure , characterized in that the first protruding piece for fixing is inserted through the lower hole , then moved to the upper hole, and the upper wall surface of the lower hole is fitted into the groove . The first fixing insertion hole is provided at least on both inner side walls of the upper rail.
The fixing first protruding piece is a pair of fixings that are bifurcated and extended from the lock member base so as to be inserted into the respective fixing first insertion holes provided on both inner side walls. The lock member mounting structure according to claim 1, wherein the lock member is formed on the outside of the piece. The second protruding piece is the fixing piece extending from the lock member base, and is formed in the vicinity of the opposite side of the fixing first protruding piece with respect to the lock member base .
The upper rail has a second insertion hole so as to straddle the inner side wall and the horizontal extension portion at a position where the second protruding piece is inserted .
The lock member mounting structure according to claim 1 or 2, wherein the second insertion hole has a second support piece that supports the first protrusion for fixing so as to be arranged in the upper hole. .. It is arranged between the pair of the fixing pieces, and when the fixing first protruding piece is inserted into the fixing first insertion hole, it abuts from the inside of the fixing piece and comes off. The lock member mounting structure according to any one of claims 1 to 3, further comprising a proximity prevention portion for preventing movement. The lock member is provided with a lock plate portion having a fitting hole for fitting with the upper rail side fitting tooth on the side opposite to the fixing piece at the base of the lock member.
Any of claims 1 to 4 , wherein the upper rail has a third insertion hole having the upper rail side fitting tooth at a position where the upper rail is fitted with the fitting hole of the lock plate portion . The mounting structure of the lock member according to item 1.

Images