JP6758150B2 - Lock member mounting structure and mounting method - Google Patents

Description

The present invention relates to a structure and a method for attaching a lock member to 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, in an emergency such as a vehicle collision, it is possible to secure a cancel function in which both the left and right sliding rail assemblies are maintained in a locked state, 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. However, a structure and a method for attaching the lock member to the upper rail, which can prevent the lock member from coming off, are provided.

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 forming 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. Due to the difference in width between the upper hole and the lower hole, an upper wall surface of the lower hole is formed on a part of the upper surface side of the lower hole, and an extended support piece formed upright from the lower surface of the lower hole. Have
The fixing first projecting piece has a width narrower than the width of the lower hole and is wider than the upper hole, and a projecting piece middle portion formed narrower than the upper hole. And have
The tip of the protruding piece is arranged outside the upper hole, the middle portion of the protruding piece is arranged in the upper hole, and the tip of the protruding piece is supported at the position of the upper hole by the extended support piece. It is characterized by being

The locking member mounting structure according to the present invention extends in a state where the tip of the protruding piece wider than the upper hole is arranged on the outside of the inner side wall, that is, on the back side and cannot be directly removed from the upper hole. The installation support piece prevents the tip of the protruding piece from moving to the lower hole where the tip of the protruding piece can be removed, reducing the possibility that the tip of the protruding piece will come off unexpectedly.

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,
Even if the extended support piece is formed so that the difference between the lower surface of the upper wall surface of the lower hole and the upper surface of the extended support piece is equal to or less than the plate thickness of the lock member. Good.

By setting the difference between the lower surface of the upper wall surface of the lower hole and the upper surface of the extended support piece to be equal to or less than the plate thickness of the lock member, it is possible to completely prevent the tip of the protruding piece from moving to the lower hole.

Further, in the mounting structure of the lock member according to the present invention, the extended support piece may be characterized in that its upper surface is provided above the lower surface of the upper wall surface of the lower hole.

With such a configuration, it is possible to completely prevent the tip of the protruding piece from moving to the lower hole.

Further, in the mounting structure of the lock member according to the present invention, the locking member is arranged between the pair of fixing pieces, and when the fixing first protruding piece is inserted into the fixing first insertion hole, the said It may be characterized by having a proximity prevention portion that abuts from the inside of the fixing piece 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.

The method of attaching the lock member of the present invention is as follows.
In the method of mounting the lock member that is mounted to lock the slide of the upper rail of the slide rail for vehicle seats.
The upper rail having a pair of fixing first insertion holes for fixing the lock member on at least both inner side walls, and the upper rail.
The lock member is formed of a pair of fixing pieces that are bifurcated from the base of the lock member and has a fixing first protruding piece that is inserted into the fixing first insertion hole.
The fixing first insertion hole is formed by forming 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. Due to the difference in width between the upper hole and the lower hole, an upper wall surface of the lower hole is formed on a part of the upper surface side of the lower hole, and an extension formed by bending from the lower surface of the lower hole to the outside of the inner side wall. The first protrusion for fixing, which has a support piece, is formed with a protrusion tip having a width narrower than the width of the lower hole and wider than the upper hole and a width narrower than the upper hole. It has a protruding piece with a middle part and
The tip of the protruding piece of the first fixing piece is inserted through the lower hole,
By moving the first protruding piece for fixing to the upper hole, the tip of the protruding piece is arranged outside the inner side wall of the upper hole, and the middle portion of the protruding piece is located in the upper hole. By erecting the extended support piece, the tip of the protruding piece is supported at the position of the upper hole.

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 and a mounting method 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 diagram showing a first insertion hole 25 for fixing and a second insertion hole 26 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 and a cross-sectional view showing one step of an attachment method for attaching the lock member 30 to the upper rail 20. FIG. 9 is an end 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 25 and the second insertion hole 26 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 10 will be described 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 10, 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, as shown in FIG. 2, two slide rails 100 are arranged in parallel, and the slide rails 100 on both sides are commonly operated in a locked state and an unlocked state. The operating lever 40 of the above 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 fixing first insertion hole 25 and a second insertion hole 26 provided on the rear side of the fixing first insertion hole 25 so as to straddle the inner side wall 22 and the horizontal extension portion 23. And a third insertion hole 27 provided on the rear side of the second insertion hole 26 is formed. These fixing first insertion holes 25, second insertion holes 26, and third insertion holes 27 are provided on the inner side walls 22 on both sides. The fixing first insertion hole 25 and the second insertion hole 26 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 fixing first insertion hole 25 and the second insertion hole 26. It is formed so as to be separated from the rear side. The first protrusion 34 for fixing the lock member 30 is inserted into the first insertion hole 25 for fixing, the second protrusion 35 of the lock member 30 is inserted into the second insertion hole 26, 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 first insertion hole 25 for fixing has an upper hole 25a formed in an upper portion (a portion where the horizontal line of A in FIG. 5 is described) and a width wider than the upper hole 25a. , It is manufactured in a form in which the lower hole 25b (the portion where the vertical line of A in FIG. 5 is described) formed below the upper hole 25a is connected. The width d ₁ of the upper hole 25a is formed narrower than the width α (see FIG. 4) of the first protruding piece 34 for fixing the lock member 30, and the width d ₂ of the lower hole 25b is the width d ₂ for fixing the lock member 30. It is formed wider than the width α of 1 projecting piece 34. Therefore, the fixing first protruding piece 34 can be inserted only from the portion of the lower hole 25b. Further, since the lower hole 25b is formed to be wider than the upper hole 25a, the lower hole upper wall surface 25c is formed on the front side by the difference in the width. Further, an extended support piece 25d formed upright from the inner side wall 22 on the lower surface of the lower hole 25b is formed. As shown in FIG. 4, the extended support piece 25d is formed by being bent diagonally from the vicinity of the base of the inner side wall 22 toward the outside (back side) of the inner side wall 22 before assembling the lock member 30. ing. In the raised state, the extended support piece 25d is located above the lower surface of the extended support piece 25d as shown in A of FIG. 5, or is located above the lower surface of the extended support piece 25d or as shown in B of FIG. The difference d ₃ between the lower surface of 25d and the extension support piece 25d is set to be equal to or less than the plate thickness of the lock member 30. By keeping the difference d _{3 or} less, when the extended support piece 25d is erected, the first fixing piece 34 can be supported so as to be arranged on the upper hole 25a side, and the first fixing piece can be supported. It is possible to prevent the projecting piece 34 from moving to the lower hole 25b. Therefore, the possibility that the fixing first protruding piece 34 comes off from the fixing first insertion hole 25 can be reduced.

The second insertion hole 26 is formed in a size that allows the second protruding piece 35 to be inserted. The second insertion hole 26 is provided with a second insertion hole support portion in order to prevent the second protruding piece 35 from coming off upward.

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. At the tip of the fixing piece 32, a first fixing piece 34 projecting outward is formed. As shown in FIG. 4, the fixing first protruding piece 34 has a width wider than the width d ₁ of the upper hole 25a and a width α narrower than the width d ₂ of the lower hole 25b. and parts 34a (cross hatched portion in FIG. 4C), and a projecting piece middle portion 34b having a width β than the width d ₁ of the upper hole 25a (dot portion in FIG. 4C). A groove 36 is formed behind the middle portion 34b of the protruding piece, and the tip portion 34a of the protruding piece and the bottom portion of the groove 36 are formed so that the tip portion 34a of the protruding piece can be inserted into the first insertion hole 25 for fixing. It is formed so that a difference γ equal to or larger than the thickness of the inner side wall 22 is formed between them. Thus, since the projecting piece tip 34a has a width greater than the width d ₁ of the upper hole 25a, as described above, the first protruding piece 34 for fixing can not be inserted only from the lower hole 25b .. The second protruding piece 35 is formed on the rear side of the first protruding piece 34 for fixing, and when the first protruding piece 34 for fixing is inserted into the first insertion hole 25 for fixing, the second protruding piece 35 is inserted into the second insertion hole 26. It is provided at the corresponding position. The second protruding piece 35 is formed to be narrower than the width of the second insertion hole 26 so that it can be inserted into the second insertion hole 26.

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.

The method of assembling the lower rail 10, the upper rail 20, the lock member 30, and the operating lever 40 configured as described above will be described with reference to FIGS. 6 to 9. FIG. 9 is an explanatory view schematically showing an end view of the portion AA of FIG. 7. 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 upper rail 20 by setting the operating lever 40. This state is the state shown in FIG. 9A. 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. In this state, the fixing piece 32 is urged at the position of the upper hole 26a. As shown in FIG. 7, pressing from above moves the fixing first protruding piece 34 and the second protruding piece 35 to the position of the lower hole 26b (FIG. 9B). Then, the fixing first protruding piece 34 and the second protruding piece 35 are inserted into the fixing first insertion hole 25 and the second insertion hole 26, respectively (FIG. 9C). At this time, since the extended support piece 25d is formed so as to be bent outward, it does not interfere with the insertion. In this way, the fixing first protruding piece 34, the second protruding piece 35, and the lock plate portion 38 are inserted into the fixing first insertion hole 25, the second insertion hole 26, and the third insertion hole 27, respectively. Further, as shown in FIG. 8, the inserted second protruding piece 35 and the fixing first protruding piece 34 are moved upward. Protruding piece middle portion 34b is because they have a width β than the width d ₁ of the upper hole 25a, it can be moved upward without interfering. The fixing first protruding piece 34 cannot be disengaged from the fixing first insertion hole 25, and the lock member 30 is fixed to the upper rail 20. Then, by erecting the extended support piece 25d, the fixing first protruding piece 34 cannot move to the lower hole 26b, and the fixing first protruding piece 34 is removed from the fixing first insertion hole 25. You will not be able to. In this way, the lock member 30 is fixed to the upper rail 20.

In the upper rail 20 thus produced, the end side of the end arm portion 41 moves upward about the fulcrum 45 by pushing down the operation lever 40 as shown in the BB sectional view 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 first fixing insertion hole 25, the first fixing protruding piece 34 is placed in the first fixing insertion hole 25. Since it is arranged in the upper hole 25a, the fixing first protruding piece 34 formed wider than the width of the upper hole 25a is prevented from coming off from the fixing first insertion hole 25. Further, even when an unexpected force such that the lock member 30 moves downward is applied, the height difference d ₃ of the extended support piece 25d from the lower hole upper wall surface 26c is the plate of the lock member 30. Since the thickness is set to be less than or equal to the thickness, even if it moves downward, it is prevented from completely moving to the lower hole 26b. Further, since the proximity prevention portion 33 is arranged between the pair of fixing pieces 32, the proximity prevention portion 33 also suppresses the fixing first protruding piece 34 from the inside, so that the lock member 30 has a second insertion hole. 26, It is prevented from coming off from the first fixing insertion hole 25. 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 25 for fixing, the lower hole 25b is formed so as to expand forward with respect to the upper hole 25a, and the lower hole upper wall surface 26c is formed on the front side. As shown in 11A, the lower hole 25b may be formed so as to extend rearward with respect to the upper hole 25a, and the lower hole upper wall surface 26c may be formed on the rear 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 such a fixing first insertion hole 25 is adopted, the protruding piece middle portion 34b of the fixing first protruding piece 34 of the lock member 30 is provided on the rear side and the center side, respectively, so as to correspond to each other. Good.

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

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

10 ... Lower rail, 11 ... Bottom part, 12 ... Side part, 13 ... Top surface part, 14 ... Inner surface vertical part, 14a ... Lock fitting tooth, 20 ... Upper rail, 21 ... Horizontal part, 22 ... Inner side wall, 23 ... Horizontal extension part, 24 ... Standing part, 25 ... First insertion hole for fixing, 25a ... Upper hole, 25b ... Lower hole, 25c ... Lower hole upper wall surface, 25d ... Extension support piece, 26 ... Second insertion hole , 26a ... upper hole, 26b ... lower hole, 26c ... lower hole upper wall surface, 27 ... third insertion hole, 27a ... upper rail side fitting tooth, 27b ... prevention protrusion, 30 ... lock member, 31 ... lock member base , 32 ... Fixing piece, 33 ... Proximity prevention part, 34 ... First protrusion piece for fixing, 34a ... Projection piece tip part, 34b ... Projection piece middle part, 35 ... Second protrusion piece, 36 ... Groove, 38 ... Lock plate part, 38a ... Fitting hole, 38b ... Fitting protrusion, 39 ... Misalignment prevention piece, 39a ... Protrusion, 40 ... Operation lever, 41 ... End arm part, 42 ... Operation arm part, 45 ... Supporting point, 60 ... ball member, 90 ... through hole, 91b ... mounting protrusion, 100 ... slide rail, 200 ... upper rail

Claims (6)

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.
Said first insertion hole for fixing the first projecting piece for the fixing to the lower pores having insertable width the first projecting piece fixing is formed between the upper hole having a non-insertion width, the upper The holes are arranged so that the lower holes are on the horizontal extension side and the lower holes are on the horizontal side, and the lower holes are partially formed on the upper surface side of the lower holes due to the difference in width between the upper holes and the lower holes. The upper wall surface is formed, and the extension support piece is formed by standing upright from the lower surface of the lower hole.
The fixing first projecting piece has a width narrower than the width of the lower hole and is wider than the upper hole, and a projecting piece middle portion formed narrower than the upper hole. And have
In the lock member, the tip end portion of the protruding piece is arranged outside the upper hole, the middle portion of the protruding piece is arranged in the upper hole, and the extension piece is extended with respect to the first insertion hole for fixing. A lock member mounting structure, characterized in that the tip of the protruding piece is supported at the position of the upper hole by standing up the support piece . 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. Claim 1 or 2 is characterized in that the extension support piece is formed so that the difference between the lower surface of the upper wall surface of the lower hole and the upper surface of the extension support piece is equal to or less than the plate thickness of the lock member. The mounting structure of the lock member described in. The locking member mounting structure according to any one of claims 1 to 3, wherein the extended support piece is provided with an upper surface thereof above the lower surface of the upper wall surface of the lower hole. It is arranged between the fixing pieces, and when the first fixing piece is inserted into the first fixing insertion hole, it moves in a direction of coming off from the inside of the fixing piece. The mounting structure for a lock member according to any one of claims 1 to 4, further comprising a proximity prevention portion for prevention. In the method of mounting the lock member that is mounted to lock the slide of the upper rail of the slide rail for vehicle seats.
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.
Said first insertion hole for fixing the first projecting piece for the fixing to the lower pores having insertable width the first projecting piece fixing is formed between the upper hole having a non-insertion width, the upper The holes are arranged so that the lower holes are on the horizontal extension side and the lower holes are on the horizontal side, and the lower holes are partially formed on the upper surface side of the lower holes due to the difference in width between the upper holes and the lower holes. An upper wall surface is formed, and an extended support piece formed by bending outward from the lower surface of the lower hole is provided.
The fixing first projecting piece has a width narrower than the width of the lower hole and is wider than the upper hole, and a projecting piece middle portion formed narrower than the upper hole. And have
In the lock member, the tip of the protruding piece of the first protruding piece for fixing is inserted into the first insertion hole for fixing from the lower hole.
By moving the first fixing protruding piece to the upper hole, the tip of the protruding piece is arranged outside the upper hole, and the middle portion of the protruding piece is located in the upper hole. A method for attaching a lock member, characterized in that the tip of the protruding piece is supported at the position of the upper hole by erecting the extended support piece.

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