Center pillar upper

Abstract

Provide is a center pillar upper in which a restricting member on a slider situated on an operating direction side with respect to a knob is unnecessary, force required to assemble the knob is reduced, and blanching can be suppressed.　A center pillar upper (1) includes a slider (20) and a knob (30). The slider (20) includes a boss (27) that protrudes in a rear-face direction. The knob (30) includes a flexing member (34) that extends in a first direction which is one direction in an operating direction and that has a cantilever form, and an other end portion (35d) that faces the flexing member (34) on a first-direction side of the flexing member (34). The center pillar upper (1) has a sliding assembly structure (SS) in which sliding assembly of the knob (30) is performed from a state where the flexing member (34) of the knob (30) is placed on the boss (27), to a state of the knob (30) being in an assembled state as to a plurality of engaging claws (25, 26), and a restricting structure (RS) in which, in a sliding-assembled state, the boss (27) is situated between the flexing member (34) and the other end portion (35d), thereby restricting excessive movement in the first direction and a second direction when performing sliding operation of the knob (30).

Description

Technical Field

[0001] The present invention relates to a center pillar upper.

Background Art

[0002] Conventionally, a center pillar upper for covering a center pillar of a vehicle is known. This center pillar upper is generally configured to include a base member, a slider attached to the back surface side of the base member, and a knob assembled to the back surface side of the slider. Also, a seat belt anchor is disposed on the back surface side of the base member. The slider is also attached to the seat belt anchor. The slider is configured to be slidable with respect to the base member together with the seat belt anchor and functions to adjust the vertical position of the seat belt anchor. The knob corresponds to an operation part assembled to the slider, and when the knob is operated, the adjuster part functions to adjust the vertical position of the seat belt anchor together with the slider (see, for example, Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In this type of center pillar upper, the slider is equipped with an anchor claw (hereinafter referred to as an engaging claw) that protrudes perpendicular to the slider surface. The knob is pushed against the engaging claw of the slider in the direction of the slider surface, thereby overcoming the claw and being assembled to the slider. In addition, the slider has regulating members formed on one side (e.g., the upper side) and the other side (e.g., the lower side) of the operating direction of the knob to limit the amount of movement of the knob. As a result, when the knob is operated, one end or the other end in the operating direction comes into contact with the regulating member, which restricts excessive movement.

[0005] When assembling the knob to the slider, it is necessary to push the knob in while bending the engaging claws. However, since the engaging claws are only tall enough to prevent the knob from floating, bending the short engaging claws while pushing the knob in requires excessive force and can lead to whitening of the engaging claws due to their bending. Furthermore, because the sliding motion of the knob needs to be restricted by regulating members on one side and the other side of the knob's operating direction, this leads to an increase in the amount of resin used, increased weight, and increased difficulty in arranging other components.

[0006] This invention has been made in view of the above circumstances, and its purpose is to provide a center pillar upper that eliminates the need for a regulating member on the slider located on the operating direction side of the knob, reduces the force required when assembling the knob, and suppresses whitening. [Means for solving the problem]

[0007] To solve the above problems, the center pillar upper according to the present invention is a center pillar upper that covers the center pillar of a vehicle, comprising: a base member attached to the center pillar and having an opening; a slider attached to the opening from the back side of the base member and slidable together with a seat belt anchor; and a knob assembled to the back side of the slider so as to be slidable by a plurality of engaging claws, with a portion of it exposed on the front side as an operating part, wherein the slider has a boss protruding in the back direction, and the knob has a flexible member that is cantilevered and extends in a first direction which is one of the operating directions of the knob, and a side of the flexible member facing the flexible member on the first direction side The slider has an opposing wall and a sliding assembly structure in which, when assembling the knob to the slider, the flexible member is placed on the boss and then slid a predetermined distance in a second direction opposite to the first direction to fit the knob into a space between the back surface of the slider and the plurality of engaging claws; and a restricting structure in which, when the knob is fitted into the space by sliding the predetermined distance and assembled to the slider, the flexible member moves away from its position on the boss and positions the boss between the flexible member and the opposing wall, and when the knob is operated, the boss contacts the flexible member or the opposing wall to restrict excessive movement in the first direction and excessive movement in the second direction. [Effects of the Invention]

[0008] According to the present invention, a center pillar upper can be provided that eliminates the need for a regulating member on the slider located on the operating direction side of the knob, reduces the force required when assembling the knob, and suppresses whitening. [Brief explanation of the drawing]

[0009] [Figure 1] Figure 1 is a front view of the center pillar upper according to this embodiment. [Figure 2] Figure 2 is an exploded perspective view of the rear side of the center pillar upper shown in Figure 1. [Figure 3]Figure 3 is a plan view showing the assembly of the knob to the slider, (a) is a rear view, and (b) is a partially enlarged cross-sectional view of the knob when not in operation. [Figure 4] Figure 4 is a cross-sectional view showing the engaging claws shown in Figure 3, where (a) is a cross-sectional view showing one of the two first engaging claws, and (b) is a cross-sectional view showing one of the two second engaging claws, the second engaging claw. [Figure 5] Figure 5 is a plan view showing the assembly of the knob to the slider, where (a) is a rear view during operation and (b) is a partially enlarged cross-sectional view during knob operation. [Figure 6] Figure 6 is a magnified view of a portion of Figure 5(a). [Figure 7] Figure 7 is a diagram showing how the knob according to this embodiment is assembled to the slider, where (a) is a plan view and (b) is a partially enlarged cross-sectional view. [Figure 8] Figure 8 is a partially enlarged cross-sectional view showing the relationship between the flexible member and the boss during the process of assembling the knob to the slider. [Modes for carrying out the invention]

[0010] The present invention will be described below in accordance with preferred embodiments. It should be noted that the present invention is not limited to the embodiments shown below, and can be modified as appropriate without departing from the spirit of the invention. Furthermore, in the embodiments shown below, some illustrations and descriptions of certain components are omitted. It goes without saying that, regarding the details of the omitted technologies, publicly known or well-known technologies are applied as appropriate, to the extent that they do not contradict the content described below.

[0011] Figure 1 is a front view of the center pillar upper according to this embodiment, and Figure 2 is an exploded perspective view of the rear side of the center pillar upper shown in Figure 1. The center pillar upper 1 according to this embodiment is an interior member that covers the upper part of the center pillar of a vehicle from the inside of the passenger compartment. As shown in Figures 1 and 2, the center pillar upper 1 comprises a base member 10, a slider 20, and a knob 30.

[0012] The base member 10 is a member that is fixedly attached to the center pillar. As shown in Figure 2, both ends of the base member 10 in the short direction are bent toward the rear side (outside the vehicle interior), and the cross section along the short direction is approximately U-shaped. A seat belt anchor (not shown) which has an adjuster function on the center pillar side is housed in the U-shaped inner portion of the base member 10. An opening 11 is formed in such a base member 10. The slider 20 is attached to the base member 10 from the rear side of the opening 11.

[0013] Furthermore, as shown in Figure 2, the base member 10 is provided with a plurality of guide members 12 on the back side of both ends in the short direction. The plurality of guide members 12 have a predetermined gap S1 between them and the back surface 10a of the base member 10. The gap S1 is continuous in the longitudinal direction of the base member 10.

[0014] The slider 20 is a component that slides along the longitudinal direction of the base member 10 together with the seat belt anchor. The slider 20 is mounted so as to be slidable along the longitudinal direction of the base member 10 by having both ends 21 in the short direction fitted into the gap S1. The slider 20 is also attached to the seat belt anchor and slides together with the seat belt anchor when sliding against the base member 10. Furthermore, the slider 20 has a first through-hole 22 through which the seat belt (not shown) from the seat belt anchor passes.

[0015] In addition, the slider 20 has a second through-hole 23 formed above the first through-hole 22. The slider 20 has a bulging portion 24 that protrudes from the back side toward the front side. The second through-hole 23 is formed by penetrating downward from the bulging portion 24.

[0016] The knob 30 is a member that is assembled to be slidable with respect to the slider 20. FIG. 3 is a plan view showing the assembled state of the knob 30 to the slider 20, and (a) is a rear view. As shown in FIG. 3(a), the slider 20 includes a plurality of engaging claws 25, 26 that extend to the rear surface side for assembling the knob 30. FIG. 4 is a cross-sectional view showing the engaging claws 25, 26 shown in FIG. 3, and (a) is a cross-sectional view showing one of the two first engaging claws 25, i.e., 25'.

[0017] As shown in FIG. 4(a), one of the first engaging claws 25' has a structure having a base portion 25a that protrudes toward the rear surface side and a side portion 25b that extends in the lateral direction (toward the inside of the knob 30) from the tip side of the base portion 25a. The other first engaging claw 25 is substantially symmetric with the one first engaging claw 25' with the vertical direction as the boundary. The knob 30 is slidably assembled to the slider 20 by both end portions 31 of the knob 30 (see FIGS. 2 and 3(a)) entering into a gap (space) S2 sandwiched between the side portions 25b of the plurality of first engaging claws 25 and the rear surface 20a of the slider 20.

[0018] FIG. 4(b) is a cross-sectional view showing one of the two second engaging claws 26, i.e., 26'. One of the second engaging claws 26' has a structure having a base portion 26a that protrudes toward the rear surface side and a side portion 26b that extends in the lateral direction (toward the outside of the knob 30) from the tip side of the base portion 26a, similar to the first engaging claw 25. The other second engaging claw 26 is substantially symmetric with the one second engaging claw 26' with the vertical direction as the boundary. An opening 32 (see FIGS. 2 and 3(a)) is formed at the upper center of the knob 30. The plurality of second engaging claws 26 are positioned corresponding to the inside of the opening 32, and the knob 30 is slidably assembled to the slider 20 by the opening 32 of the knob 30 entering into a gap (space) S3 sandwiched between the side portion 26b and the rear surface 20a of the slider 20.

[0019] Thus, the first engaging claw 25 holds the knob 30 slidably from the outside of the knob 30, and the second engaging claw 26 holds the knob 30 slidably from the inside of the knob 30 at the opening 32.

[0020] Further, as shown in FIG. 2, the knob 30 has a protruding portion 33 that protrudes toward the front surface on the lower side. When the knob 30 is slidably assembled to the slider 20, the protruding portion 33 is exposed to the front surface from the second through hole 23 as shown in FIG. 1 and functions as an operable operation portion for the user.

[0021] FIG. 5 is a plan view showing the assembled state of the knob 30 to the slider 20, and (a) is a rear view during operation. As shown in FIGS. 3 and 5, a spring member B is stretched between the slider 20 and the knob 30. The protruding portion 33 is exposed to the front surface through the second through hole 23 in the initial state (when not in operation: the state shown in FIGS. 1 and 3). When the user operates (the state shown in FIG. 5), the protruding portion 33 is pushed upward and a part of it becomes non-exposed from the front surface. When the protruding portion 33 is pushed upward, the spring member B is stretched, and when the user releases the hand from the protruding portion 33 and returns to the non-operating state, the spring member B contracts and the protruding portion 33 returns to the initial state.

[0022] Furthermore, when the knob 30 of the center pillar upper 1 according to the present embodiment is operated (when the protruding portion 33 is pushed upward), the adjuster function of the seat belt anchor operates, and the slider 20 together with the seat belt anchor can be slid in the longitudinal direction of the base member 10. As a result, the position of the first through hole 22 formed in the slider 20 also moves up and down, and the vertical adjustment of the seat belt outlet is possible.

[0023] Furthermore, in this embodiment, the slider 20 is provided with a plurality of cylindrical bosses 27 that protrude in the direction of the back surface, as shown in Figures 3 and 5. In addition, the knob 30 is provided with a flexible member 34 and a slit portion 35. In the center pillar upper 1 according to this embodiment, the knob 30 is provided with a plurality of combinations (2 sets) of flexible member 34 and slit portion 35, and the slider 20 is also provided with the same number of bosses 27 as the number of combinations. The diameter of the bosses 27 is slightly smaller than the width of the narrow portion 35b, which will be described later, and when the knob 30 is assembled to the slider 20, it is located inside the slit portion 35 (between the tip 34a and the other end 35d, which will be described later).

[0024] Figure 6 is a partially enlarged view of Figure 5(a). As shown in Figure 6, the knob 30 is provided with a slit portion 35 formed extending in the longitudinal direction of the base member 10 (see Figure 1). The slit portion 35 has a wide portion 35a and a narrow portion (side wall) 35b that is narrower than the wide portion 35a and is formed above the wide portion 35a. The flexible member 34 is formed in a cantilever shape, extending in a first direction (upward in the longitudinal direction in Figure 6), which is one of the operating directions of the knob 30. The flexible member 34 is located within the wide portion 35a, and its tip 34a reaches near the narrow portion 35b. Furthermore, the tip 34a of the flexible member 34 is arc-shaped to match the cylindrical boss 27. In addition, the slit portion 35 has one end 35c which is the lower end and the other end (opposing wall) 35d which is the upper end. The other end 35d will be located on the first direction side of the flexible member 34.

[0025] In this embodiment, when the knob 30 is operated on the center pillar upper 1, the boss 27 moves within the slit portion 35. Figure 3(b) is a partially enlarged cross-sectional view when the knob 30 is not operated, and Figure 5(b) is a partially enlarged cross-sectional view when the knob 30 is operated.

[0026] In this embodiment, the center pillar upper 1 eliminates the need to provide restricting members above or below the knob 30 to restrict the movement of the knob 30, thanks to the restricting structure RS described below. The restricting structure RS is composed of the boss 27, the flexible member 34, and the slit portion 35, etc.

[0027] First, when the knob 30 is not being operated (initial state), the spring member B pulls the knob 30 downward. As a result, as shown in Figure 3(b), the boss 27 is in contact with the other end 35d of the slit portion 35, and as shown in Figure 1, the protruding portion 33 of the knob 30 is exposed from the surface side. In this state, since the boss 27 is in contact with the other end 35d, any further excessive movement (excessive movement in the second direction opposite to the first direction (downward in the longitudinal direction in Figure 3(a))) is restricted.

[0028] On the other hand, when the user pushes the protruding portion 33 of the knob 30 upward, the knob 30 slides upward as a whole, as shown in Figure 5(a), and the spring member B extends. At this time, as shown in Figure 5(b), the boss 27 comes into contact with the tip 34a of the flexible member 34. In this state, since the boss 27 is in contact with the tip 34a of the flexible member 34, any further excessive movement (excessive movement in the first direction) is restricted.

[0029] Thus, the boss 27 is positioned so as to be sandwiched between the other end 35d of the slit portion 35 and the flexible member 34, and the amount of sliding operation of the knob 30 is limited by the restricting structure RS to approximately the length of the narrow portion 35b. Therefore, in this embodiment, the slider 20 does not require restricting members to be provided above or below the knob 30 to restrict the movement of the knob 30.

[0030] Furthermore, as shown in Figures 3(b) and 5(b), the flexible member 34 is provided with a protrusion 34b near its tip. This protrusion 34b is convex in the direction of the boss 27's projection.

[0031] Furthermore, the center pillar upper 1 according to this embodiment reduces the force required when assembling the knob 30 and suppresses the whitening of the engaging claws 25 and 26 by the slide assembly structure SS shown below. The slide assembly structure SS is composed of the above-mentioned engaging claws 25 and 26, boss 27, and flexible member 34, etc.

[0032] Next, the sliding assembly structure SS of the center pillar upper 1 according to this embodiment will be described along with the method of assembling the knob 30 to the slider 20.

[0033] Conventionally, the knob 30 was assembled to the slider 20 by pressing it against the multiple engaging claws 25, 26 (see Figure 2, etc.) formed on the slider 20 in the planar direction (in the direction in which the bases 25a, 26a of the engaging claws 25, 26 extend), thereby bending each engaging claw 25, 26. In contrast, this embodiment is equipped with a slide assembly structure SS, so the knob 30 is assembled to the slider 20 by sliding it.

[0034] Figure 7 is a configuration diagram showing how the knob 30 is assembled to the slider 20 according to this embodiment, where (a) is a plan view and (b) is a partially enlarged cross-sectional view. As shown in Figures 7(a) and 7(b), when assembling the knob 30 to the slider 20, first the knob 30 is placed so that the protrusion 34b of the flexible member 34 is positioned on the boss 27. In this state, the knob 30 is not inserted into the gaps S2, S3 of the multiple engaging claws 25, 26 (see Figures 4(a) and 4(b)).

[0035] Figure 8 is a partially enlarged cross-sectional view showing the relationship between the flexible member 34 and the boss 27 during the process of assembling the knob 30 to the slider 20. As shown in Figure 7, after placing the flexible member 34 so that the protrusion 34b is positioned on the boss 27, the operator slides the knob 30 downwards by a predetermined distance (i.e., in the direction opposite to the direction in which the flexible member 34 extends, and in the second direction described above). As a result, the knob 30 enters the gaps S2, S3 of the multiple engaging claws 25, 26 and is assembled. At this time, as shown in Figure 8, the tip 34a of the flexible member 34 goes over the boss 27, and after going through the state shown in Figure 8, it goes to the state shown in Figure 5(b). When it reaches the state shown in Figure 5(b), the restrictive structure RS functions as described above. In other words, as shown in Figure 5(b), when the tip 34a of the flexible member 34 goes over the boss 27, the flexible member 34 moves away from its position on the boss 27, and the boss 27 is positioned between the flexible member 34 and the other end 35d of the slit portion 35. As a result, as described above, excessive movement of the knob 30 during sliding operation is restricted.

[0036] Next, the operation of the center pillar upper 1 according to this embodiment will be described. As described above, since the center pillar upper 1 has a slide assembly structure SS, the knob 30 is assembled by sliding rather than being assembled in the planar direction to the engaging claws 25 and 26. Therefore, it is not necessary to assemble the knob 30 to the slider 20 while bending the engaging claws 25 and 26. Thus, the force required when assembling the knob 30 is reduced, and the whitening of the slider 20 due to the bending of the engaging claws 25 and 26 can be suppressed.

[0037] In particular, the flexible member 34 is provided with a protrusion 34b, which is convex in a direction that avoids contact with the boss 27 when placed on the boss 27. Therefore, before assembling the knob 30, positioning the protrusion 34b on the boss 27 can be effective. Furthermore, since the protrusion 34b is convex in a direction that avoids contact with the boss 27, the worker only needs to move the knob 30 downward from the state shown in Figures 7(a) and 7(b). In other words, if the flexible member 34 is straight without a protrusion 34b, when the flexible member 34 is placed on the boss 27, the entire knob 30 will be lifted significantly by the boss 27. Therefore, the worker needs to slide the knob 30 into place while pressing it towards the slider 20. However, when the flexible member 34 is provided with a protrusion 34b, the lifting of the knob 30 is suppressed, which can lead to a reduction in the force required to push it in.

[0038] Furthermore, since the center pillar upper 1 is equipped with a restricting structure RS, when the knob 30 is operated after assembly, as shown in Figures 5(a) and 5(b), the tip 34a of the flexible member 34 and the boss 27 come into contact, thereby restricting excessive upward movement of the knob 30 (excessive movement in the first direction). In particular, even if the knob 30 is pushed in forcefully by the user and the flexible member 34 and the boss 27 come into strong contact, the flexible member 34 provides a cushioning function, reducing the possibility of damage to the boss 27. Also, when the knob 30 is not being operated, as shown in Figures 3(a) and 3(b), the other end 35d of the slit portion 35 and the boss 27 come into contact, thereby restricting excessive downward movement of the knob 30 (excessive movement in the second direction).

[0039] In addition, there are multiple combinations of the boss 27, the flexible member 34, and the slit portion 35, and since the movement of the knob 30 in the shorter direction is suppressed by the cooperation of the narrow portion 35b of the slit portion 35 and the boss 27, it is possible to easily perform appropriate sliding operations in the vertical direction.

[0040] Furthermore, the first engaging claw 25 holds the knob 30 slidably from the outside, and the second engaging claw 26 holds the knob 30 slidably from the inside of the opening 32. This also helps to suppress displacement of the knob 30 in the shorter direction, contributing to proper sliding operation in the vertical direction.

[0041] Thus, according to the center pillar upper 1 of this embodiment, since it is equipped with a slide assembly structure SS, it is not necessary to push the knob 30 in the planar direction to assemble it with the engaging claws 25 and 26, thereby reducing the force required during assembly and suppressing whitening. Furthermore, since it is equipped with a restricting structure RS, when the knob 30 is assembled to the slider 20, the boss 27 is positioned between the flexible member 34 and the other end 35d of the slit portion 35 to restrict excessive movement, so there is no need to form restricting members on the upper or lower side of the knob 30. Therefore, it is possible to provide a center pillar upper 1 that eliminates the need for a restricting member on the slider 20 located on the operating direction side of the knob 30, reduces the force required when assembling the knob 30, and suppresses whitening.

[0042] Furthermore, since the flexible member 34 has a protrusion 34b that projects in a direction to avoid contact with the boss 27, the state before sliding can be easily understood by aligning the boss 27 with the protrusion 34b. In addition, when sliding the knob 30 from the state in which the flexible member 34 is placed on the boss 27 to the assembled state with the multiple engaging claws 25, 26, if there were no protrusion 34b, it would be necessary to push the knob 30 in while sliding it, but because it has a protrusion 34b, less force is required to push it in. Therefore, the sliding assembly can be made easier to understand and to perform.

[0043] Furthermore, since there are multiple combinations of bosses 27 and the other end 35d of the flexible member 34 and slit portion 35, and there is a narrow portion 35b between the flexible member 34 and the other end 35d of the slit portion 35, the movement of the knob 30 in a direction intersecting the sliding operation direction is restricted, making it easier to move the knob 30 appropriately in the sliding operation direction when operating the knob 30. Therefore, operability can be improved.

[0044] Although the present invention has been described above based on embodiments, the present invention is not limited to the above embodiments, and modifications may be made without departing from the spirit of the invention, and if possible, publicly known or well-known technologies may be combined.

[0045] For example, in the above embodiment, the flexible member 34 has a protrusion 34b, but it is not limited to this and may be formed straight without a protrusion 34b. Alternatively, a gap may be formed instead of the protrusion 34b to achieve a similar effect.

[0046] Furthermore, although this embodiment has multiple combinations of the flexible member 34 and the slit portion 35, it is not limited to this and may have only one combination. Although not specifically explained, in this embodiment, as shown in Figure 2, the slider 20 has a rib R that extends in the operating direction (up and down direction). Therefore, by forming a groove on the surface side of the knob 30 that fits into the rib R, it is possible to prevent the knob 30 from shifting in the short direction, so it may have only one combination of the flexible member 34 and the slit portion 35.

[0047] Furthermore, in this embodiment, the boss 27 is located in the narrow portion 35b of the slit portion 35, but the embodiment is not limited to this, and the slit portion 35 may not have a wide portion 35a and a narrow portion 35b, and its width may be uniform.

[0048] In addition, in this embodiment, excessive vertical movement of the knob 30 is restricted by a restricting structure RS that sandwiches the boss 27 between the tip 34a of the flexible member 34 and the other end 35d of the slit portion 35. However, excessive movement may be restricted not only by the other end 35d of the slit portion 35, but also by a simple wall portion outside the slit. Furthermore, excessive movement may be restricted not only by the tip 34a of the flexible member 34, but also by the side portion of the flexible member 34, for reasons such as the flexible member 34 being bent in the middle. [Explanation of symbols]

[0049] 1: Center pillar upper 10: Base component 11: Opening 20: Slider 25: First engaging claw 26: Second engaging claw 27: Boss 30: Nobu 34: Flexible member 34b: Convex part 35: Slit section 35b: Narrow part (side wall) 35d: Other end (opposite wall) RS: Regulatory structure S2: Gap (space) S3: Gap (space) SS: Slide assembly structure

Claims

1. A center pillar upper that covers the center pillar of a vehicle, A base member attached to the center pillar and having an opening, A slider is attached to the opening from the back side of the base member and is slidable together with the seat belt anchor, The slider is assembled to be slidably operated by a plurality of engaging claws from the back side, and a knob is provided, a portion of which is exposed on the front side as an operating part. The slider has a boss that protrudes in the direction of the back surface, The knob has a flexible member that is cantilevered and extends in a first direction which is one of the operating directions of the knob, and a facing wall that faces the flexible member on the first direction side of the flexible member. A slide assembly structure is provided in which, when assembling the knob to the slider, the flexible member is placed on the boss and then slid a predetermined distance in a second direction opposite to the first direction to fit the knob into the space between the back surface of the slider and the plurality of engaging claws. In the state in which the slider is fitted into the space by sliding it by the predetermined distance, the flexible member moves away from its position on the boss, positioning the boss between the flexible member and the opposing wall, and the restricting structure is such that when the knob is operated, the boss contacts the flexible member or the opposing wall, thereby restricting excessive movement in the first direction and excessive movement in the second direction. A center pillar upper characterized by the following features.

2. The flexible member has a protrusion that, when placed on the boss, protrudes in a direction that avoids contact with the boss. The center pillar upper according to feature 1.

3. The slider has a plurality of the bosses, The knob comprises multiple sets of the flexible member and the opposing wall, and each set has a side wall between the flexible member and the opposing wall that restricts the movement of the knob in a direction intersecting the sliding operation direction of the knob. The center pillar upper according to feature 1.

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