Vehicular seat
The vehicle seat design addresses cable durability issues by using a bracket with a cable protection portion and frame guidance to prevent compression, ensuring prolonged cable life and easier installation.
Patent Information
- Application Number
- JP2024019018
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-02-09
- Publication Date
- 2025-08-22
AI Technical Summary
Existing vehicle seat designs with cables routed below the cushion pad face durability issues due to cable compression by the cushion pad when an occupant sits, leading to reduced cable lifespan.
A vehicle seat design featuring a bracket with a cable protection portion that covers and guides the cable above the cushion pad, utilizing a predetermined routing path and incorporating a frame portion to guide the cable, preventing compression and enhancing durability.
The design effectively prevents cable compression, thereby maintaining cable durability and facilitating easier routing, thus extending the cable's lifespan.
Smart Images

Figure 2025123126000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to a vehicle seat. [Background technology]
[0002] The following Patent Document 1 discloses a configuration in which an operating lever and a locking device that locks the sliding of a seat are connected via a cable. Also, the following Patent Document 2 discloses a structure in which a towel bar provided on the lower side of the seat cushion can be operated from the seat back via a cable. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2013-123971 [Patent Document 2] Japanese Patent Application Laid-Open No. 2015-93525 Summary of the Invention [Problem to be solved by the invention]
[0004] However, in the configurations described in Patent Documents 1 and 2, in which the cable is routed below the cushion pad, the cable may be pressed by the cushion pad when an occupant sits in the seat, which may result in a decrease in the durability of the cable.
[0005] In consideration of the above, an object of the present invention is to provide a vehicle seat that can suppress a decrease in the durability of a cable. [Means for solving the problem]
[0006] A first embodiment of a vehicle seat includes a cushion pad that forms part of a seat cushion that supports the buttocks of a seated occupant from the underside of the seat, a cable routed below the cushion pad, a cable fixing portion that is provided below the cushion pad and to which the cable is fixed, and a bracket that has a cable protection portion that covers the cable from the upper side of the seat and guides it to follow a specified routing path.
[0007] In the vehicle seat of the first aspect, a cable is routed below the cushion pad. The cable is fixed to a cable fixing portion provided on a bracket. Here, the cable is covered from above the seat by a cable protection portion provided on the bracket and is guided to follow a predetermined routing path. With this configuration, the cable is prevented from being pressed via the cushion pad, and a decrease in the durability of the cable can be suppressed.
[0008] The second aspect of the vehicle seat is the vehicle seat of the first aspect, in which the cushion frame that forms the skeleton of the seat cushion has a frame portion that extends in the seat width direction, and the bracket is fixed to the frame portion, and the gap formed between the cable protection portion and the frame portion serves as a routing path for the cable.
[0009] According to the vehicle seat of the second aspect, the gap formed between the cable protection portion provided on the bracket and the frame portion serves as a routing path for the cable. In this configuration, the cable can be guided not only by the cable protection portion but also by the frame portion.
[0010] A third aspect of the vehicle seat is the vehicle seat of the second aspect, wherein the bracket includes a frame fixing portion fixed to the frame portion and a cable protection portion that bends and extends from the end of the frame fixing portion toward one side in the seat width direction, and the cable can be inserted from one side in the seat width direction toward a gap formed between the cable protection portion and the frame portion.
[0011] According to the vehicle seat of the third aspect, by moving the cable along the frame toward one side in the seat width direction, the cable can be inserted into the gap formed between the frame and the cable protection portion provided on the bracket. In this configuration, a portion of the frame that is to the one side in the seat width direction from the portion where the bracket is fixed can function as a guide portion when routing the cable, which makes the cable routing work easier. [Effects of the Invention]
[0012] The vehicle seat according to the present invention has the excellent effect of being able to suppress a decrease in the durability of the cable. [Brief explanation of the drawings]
[0013] [Figure 1] 3 is a cross-sectional view showing a cross section of the seat cushion cut along the up-down direction and the front-rear direction. FIG. [Figure 2] FIG. 2 is a perspective view of the front frame, the bracket, and the cable as viewed from diagonally above the left side. DETAILED DESCRIPTION OF THE INVENTION
[0014] A vehicle seat 10 according to an embodiment of the present invention will be described using Figures 1 and 2. In the figures, the arrow FR indicates the front side of the seat, the arrow UP indicates the upper side of the seat, the arrow RH indicates the right side in the seat width direction, and the arrow LH indicates the left side in the seat width direction. In the following description, unless otherwise specified, when referring to front-rear, up-down, and left-right directions, these refer to front-rear in the front-rear direction of the seat, up-down in the seat up-down direction, and left-right in the seat width direction.
[0015] 1, a vehicle seat 10 of this embodiment includes a seat cushion 12 that supports the buttocks of a seated occupant from below, and slide rails 14 that support the seat cushion 12 so that the seat cushion 12 can slide in the front-rear direction. The vehicle seat 10 also includes a release portion 16 that releases the lock on the seat slide rails 14 to prevent the seat from sliding.
[0016] The seat cushion 12 includes a cushion frame 18 that forms the framework of the seat cushion 12, and a cushion pad 20 attached to the cushion frame 18. The cushion frame 18 includes a pair of left and right side frame portions 22 that are spaced apart in the left-right direction and extend in the front-rear direction. The cushion frame 18 also includes a front frame portion 24 that serves as a frame portion that connects front portions of the pair of left and right side frame portions 22 in the left-right direction. The front frame portion 24 is formed in a cylindrical shape with its axial direction extending in the left-right direction. A bracket 26 is fixed to a middle portion of the front frame portion 24 in the left-right direction by welding or the like, to which an end portion 52A of an outer tube 52 of a cable 50 (described later) is attached. The cushion pad 20 is attached to the cushion frame 18 from above. The surface of the cushion pad 20 facing the seated occupant is covered with a trim (not shown).
[0017] 1 and 2, the bracket 26 is formed by, for example, pressing a steel plate material, etc. The bracket 26 includes a fixing plate 28 as a frame fixing part extending with the thickness direction in the left-right direction, and a flange 30 that bends and extends to the left from the range from the upper end to the front end of the fixing plate 28.
[0018] 1, a fitting recess 32 that is open downward is formed in the fixing plate 28. Then, by engaging the fixing plate 28 with the front frame 24 from above, the fitting recess 32 formed in the fixing plate 28 fits into the front frame 24. Furthermore, by welding the fixing plate 28 and the front frame 24 together with the fitting recess 32 formed in the fixing plate 28 fitted into the front frame 24, the bracket 26 is fixed to the front frame 24.
[0019] As shown in FIGS. 1 and 2 , the flange portion 30 includes a first extension portion 34 serving as a cable fixing portion, which slopes forward as it extends upward at the front end of the fixing plate portion 28, and a second extension portion 36 that curves rearward as it extends upward from the upper end of the first extension portion 34. The flange portion 30 also includes a third extension portion 38 serving as a cable protecting portion, which extends rearward from the end of the second extension portion 36 opposite the first extension portion 34, and a fourth extension portion 40 serving as a cable protecting portion, which slopes downward as it extends rearward from the rear end of the third extension portion 38. The boundary between the third extension portion 38 and the fourth extension portion 40 has a gently curved shape. A locking recess 42 that is open on the left side is formed in a portion of the first extension portion 34 on the left side. An end 52A of an outer tube 52 of a cable 50 (described later) is adapted to be engaged from the left side in this engaging recess 42. As shown in Fig. 2, the left side of the second extending portion 36 forms a rectangular cutout 44. By forming this cutout 44 in the second extending portion 36, it is possible to visually confirm the state of engagement between the end 52A of the outer tube 52 of the cable 50 and the engaging recess 42 through the cutout 44. A circular opening 46 is formed in the third extending portion 38 in a portion adjacent to the cutout 44.
[0020] As shown in FIG. 1 , the release unit 16 is configured to be placed in a released state by operating a first operating unit 48 or a second operating unit (not shown), thereby unlocking the sliding of the seat slide rail 14. Here, the first operating unit 48 is provided below the front end of the seat cushion 12. Furthermore, the second operating unit (not shown) is provided, for example, at the upper end of the seat back (not shown). Furthermore, the second operating unit (not shown) and the release unit 16 are connected via a cable 50. This cable 50 includes a cylindrical outer tube 52 and a cable main body 54 inserted into the outer tube 52. One end 52A of the outer tube 52 is engaged with an engaging recess 42 formed in the bracket 26. Furthermore, a portion 52B of the outer tube 52 that is rearward of the portion that is locked in the locking recess 42 is bent and routed along the lower surfaces of the third and fourth extension portions 38 and 40 of the bracket 26 and the upper surface of the front frame portion 24 in a gap formed between the third and fourth extension portions 38 and 40 of the bracket 26 and the front frame portion 24. Furthermore, one end of the cable main body 54 is connected to the release portion 16, and the other end of the cable main body 54 is connected to a second operating portion (not shown).
[0021] (Actions and Effects of This Embodiment) Next, the operation and effects of this embodiment will be described.
[0022] 1 and 2 , in the vehicle seat 10 of this embodiment, a cable 50 for operating the release portion 16 is routed below the cushion pad 20. One end 52A of an outer tube 52 of the cable 50 is locked in a locking recess 42 formed in the bracket 26, thereby being fixed to the first extending portion 34 of the bracket 26. Here, a portion 52B of the outer tube 52 of the cable 50 that is rearward of the portion locked in the locking recess 42 is covered from above by the third extending portion 38 and the fourth extending portion 40 of the bracket 26, and is guided to follow a predetermined routing path. With this configuration, the cable 50 is prevented from being pressed via the cushion pad 20, and a decrease in the durability of the cable 50 can be suppressed.
[0023] In this embodiment, the gaps formed between the third and fourth extensions 38 and 40 of the bracket 26 and the front frame 24 serve as routing paths for the cable 50. In this configuration, the cable 50 can be guided not only by the third and fourth extensions 38 and 40 of the bracket 26 but also by the front frame 24.
[0024] Furthermore, in this embodiment, by moving the cable 50 to the right along the upper surface of the front frame portion 24, the cable 50 can be inserted into the gap formed between the third extension portion 38 and the fourth extension portion 40 of the bracket 26 and the front frame portion 24. In this configuration, the portion 24A on the left side of the portion of the front frame portion 24 where the bracket 26 is fixed can function as a guide portion when routing the cable 50. This makes it easier to route the cable 50.
[0025] Note that, in the present embodiment, an example has been described in which the cable 50 can be inserted into the gaps formed between the front frame portion 24 and the third extension portion 38 and the fourth extension portion 40 of the bracket 26 by moving the cable 50 to one side in the seat width direction along the upper surface of the front frame portion 24, but the present invention is not limited to this. Whether or not the cable 50 can be inserted into the gaps formed between the front frame portion 24 and the third extension portion 38 and the fourth extension portion 40 of the bracket 26 by moving the cable 50 to one side in the seat width direction along the upper surface of the front frame portion 24 can be set appropriately taking into consideration the assembly procedure of the vehicle seat 10, etc.
[0026] Furthermore, in the present embodiment, an example has been described in which the cable 50 is also guided by the front frame portion 24, but the present invention is not limited to this. Whether or not the cable 50 is also guided by the front frame portion 24 can be determined appropriately taking into consideration the overall configuration of the cushion frame 18, etc.
[0027] The above describes one embodiment of the present invention, but the present invention is not limited to the above, and it goes without saying that it can be implemented in various other modified forms within the scope of the gist of the present invention. [Explanation of symbols]
[0028] 10 Vehicle seats 12 seat cushions 18 Cushion Frame 20 cushion pads 24 Front frame part (frame part) 26 Bracket 28 Fixing plate part (frame fixing part) 34 1st extension part (cable fixing part) 38 Third extension part (cable protection part) 40 4th extension part (cable protection part) 50 Cable
Claims
1. a cushion pad constituting a part of a seat cushion that supports the buttocks of a seated occupant from below the seat; a cable routed below the cushion pad; a bracket provided on a lower side of the cushion pad, the bracket including: a cable fixing portion to which the cable is fixed; and a cable protecting portion that covers the cable from above the seat and guides the cable to a predetermined routing path; A vehicle seat comprising:
2. a cushion frame that forms a framework of the seat cushion includes a frame portion that extends in the seat width direction, and the bracket is fixed to the frame portion; The vehicle seat according to claim 1, wherein a gap formed between the cable protection portion and the frame portion serves as a routing path for the cable.
3. The bracket is configured to include a frame fixing portion fixed to the frame portion, and the cable protection portion bent and extending from an end of the frame fixing portion toward one side in the seat width direction, The vehicle seat according to claim 2, wherein the cable can be inserted from one side in a seat width direction toward a gap formed between the cable protection portion and the frame portion.
Citation Information
Patent Citations
Operation lever of seat slide device
JP2013123971A
Slide lock device for vehicle seat
JP2015093525A