JP5133014B2 - Chair armrest equipment - Google Patents

Description

  The present invention can form an article storage space having an upper end opened in an armrest body provided on the side of a seat, and the upper end opening of the article storage space can be opened and closed by a lid pivotally attached to the upper end of the armrest body. The present invention relates to an armrest device for a chair.

  As an armrest device of this type of chair in which an article accommodating space is formed in the armrest body, in the chair provided in a vehicle such as a vehicle or an aircraft, the article accommodating space formed in the armrest body is almost above the front of the seat. There is a table that can accommodate a table that can be expanded horizontally (see, for example, Patent Documents 1 and 2).

In such a conventional armrest device for a chair, the lid body is generally attached to the armrest body with a hinge in which a fixed piece is screwed to the upper surface of the armrest body and a movable piece is screwed to the lower surface of the lid body. It is pivotally attached.
JP 2002-10874 A No. 6-20457

However, as in the above-described conventional chair armrest device, in order to attach the lid to the upper surface of the armrest main body with a known hinge, in order to secure a space for hinge attachment on the upper surface of the armrest main body, The width must be increased, and the entire chair becomes larger.
Thus, the increase in size of the entire chair is not desirable for vehicles such as vehicles that require a large number of chairs to be disposed in a limited space.

  Also, if the lid is attached to the upper surface of the armrest body with a known hinge, not only the installation work becomes complicated, but when the lid is opened, the hinge and its set screw are exposed and unsightly, The tampering may loosen the set screw and remove the lid from the armrest body.

  In view of the above-described problems of the prior art, the present invention can simplify the lid mounting structure and mounting work without increasing the width of the armrest body, and open the lid. An object of the present invention is to provide an armrest device for a chair that has a good appearance and prevents the lid from being removed due to mischief or the like.

According to the present invention, the above problem is solved as follows.
(1) An article accommodating space having an upper end opened in an armrest body provided on the side of the seat, and the upper end opening of the article accommodating space can be opened and closed by a lid pivotally attached to the upper end of the armrest body. In the chair armrest device thus constructed, a part of the shaft for pivotally supporting the lid is fitted into a groove provided on the upper surface of the armrest main body, and the presser metal is pressed from above, and the presser metal is pressed. Is screwed to the inner surface of the opening of the armrest body.

  (2) In the above item (1), the presser fitting is in an inverted L shape or an inverted J shape, the bent tip is in contact with a part of the shaft fitted in the groove, and the vertical piece is Screw on the inner surface of the opening of the armrest body.

  (3) In the above item (1) or (2), an opening is provided in the inner wall of the armrest main body to reach the article accommodating space and to perform the screwing operation of the presser fitting provided on the outer wall side. Is closed with a decorative plate attached to the inner surface of the armrest body.

  (4) In any one of the above items (1) to (3), a pair of foot pieces are provided on the lower surface of the lid so as to be spaced apart from each other, and an intermediate portion of the shaft penetrating the lower ends of both foot pieces is placed on an armrest. It fits into the groove provided in the main body, and the presser fitting is brought into contact with the groove from above.

  (5) In any one of the above items (1) to (4), a table that can be deployed substantially horizontally above the front part of the seat can be accommodated in the article accommodation space.

According to the present invention, the following effects can be achieved.
According to the invention of claim 1, a part of the shaft that pivotally supports the lid is fitted into a groove provided on the upper surface of the armrest body, and the presser metal is pressed from above, and the presser metal is Since it is screwed to the inner surface of the opening of the armrest body, the lateral width of the armrest body can be made smaller than that of attaching a conventional well-known hinge to the upper surface of the armrest body. It can be suitably used in vehicles such as vehicles that are required to have a large number of chairs.
In addition, since the presser fitting is screwed to the inner surface of the opening of the armrest main body, when the lid is opened, the screwed part of the presser fitting is difficult to see and the appearance is good. Less likely to be removed.
Further, the lid mounting structure and the mounting operation can be simplified.

  According to the invention of claim 2, the upper surface of the armrest body only exposes the bent portion of the upper part of the presser fitting, and does not expose the screwing part of the presser fitting. Since the direction in which the presser foot is separated from the shaft is different from the direction in which the set screw is removed, even if the set screw is loosened, the shaft is not likely to come off from the armrest body, which is safe.

  According to the third aspect of the present invention, it is possible to easily perform the screwing operation of the presser fitting using the opening provided on the inner wall of the armrest body, and to cover the opening with the decorative plate, Can keep you.

  According to invention of Claim 4, while being able to simplify a structure, an assembly | attachment operation | work can be simplified.

  According to the invention described in claim 5, it is possible to provide a table storage type armrest device in which the lateral width of the armrest body is small.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 1, this embodiment is applied to a two-seat chair for a railway vehicle, and this chair is mounted on a horizontal rotary base (not shown) mounted on the floor of the vehicle. In addition, a pair of left and right seats 1 and 1, backrests 2 and 2 erected from the rear part thereof, and a table storage type armrest device (hereinafter simply referred to as an armrest) 3 of the present invention erecting from the outer side part of each seat 1. It is made up of what provided.

The left and right armrests 3, 3 are symmetrical to each other, and each of them has a vertical flat box-shaped armrest body 4 that forms an article storage space having an open upper end, and a lid that opens and closes the upper end opening of the article storage space. And 5.
A hinge mechanism 6 is attached to the front upper part of the armrest body 4, and the table 7 is attached to the armrest body 4 by the hinge mechanism 6 as shown in FIGS. 1, 5, 7, and 8 (solid line portion). The storage position stored in the article storage space, as shown by the imaginary line in FIG. 8, the flip-up position rotated upward from the storage position around the front upper portion of the armrest body 4, and the solid line in FIG. Further, as shown by an imaginary line in FIG. 8, it is possible to move downward to the inward position of the chair around the axis line facing the front-rear direction from the raised position and move to a use position that is substantially horizontal above the front portion of the seat 1. The armrest body 4 is mounted.
When the table 7 is in the storage position, the upper end of the table 7 does not protrude upward from the upper end of the armrest body 4.

The table 7, the hinge mechanism 6, the armrest main body 4, the lid body 5, etc. form the table storage type armrest device of the present invention, that is, the armrest 3.
Next, details of the armrest 3 will be described.

  As shown in FIGS. 3 to 8, the armrest body 4 includes a frame 11 having an inverted trapezoidal shape in which openings 8, 9, and 10 having large dimensions are formed on both inner and outer side surfaces and an upper surface, and the frame 11. An inner decorative plate 13 fixed to the inner surface with a set screw 12 and an outer decorative plate 16 fixed to the outer surface of the frame 11 with a stud 14 and a nut 15 are provided.

  The inner decorative plate 13 is provided with a recess 13 a that is recessed into the frame 11 through the opening 8 on the inner side of the frame 11. The concave portion 13a is provided above the upper surface of the seat 1 and forward from the front surface of the backrest 2, and the rear portion is shallow and deeper toward the front.

As shown in FIG. 5, the upper and lower ends of the leaf spring-like elastic member 17 are fixed to the outer surface of the recess 13a of the inner decorative plate 13 by welding.
Further, opposite to the elastic member 17, the upper and lower end portions of the leaf spring-like elastic member 18 are fixed to the inner side surface of the outer decorative plate 16 with the implantation bolts 14 and the nuts 15 similar to the above. .

By holding the table 7 under pressure by the elastic members 17 and 18 from inside and outside, the table 7 can be stably elastically held at the accommodation position, and an appropriate resistance force is given to the movement of the table 7. I can do it.
It should be noted that felt-like flocking (not shown) is planted on the surface of the elastic members 17 and 18 in contact with the table 7 so that the table 7 is held elastically without damaging the surface of the table 7 or has an appropriate resistance. As a result, the movement of the table 7 can be allowed.

  As shown in FIGS. 7 and 8, a stopper support plate 19 facing the front upper side is fixed to the lower part in the frame 11 with a pair of brackets 20 and 21, and the table 7 is attached to the upper surface of the rear part. A stopper 22 made of an elastic body such as rubber is provided so that the lower end thereof comes into contact when the storage position is reached.

  As shown in FIGS. 3 to 5, a downward notch 23 having an inverted trapezoidal shape in a side view is provided at the upper end of the portion of the armrest body 4 that is inward from the opening 10 of the frame 11 that forms the inner wall close to the seat 1. A finger hooking portion 24 is provided on the upper edge of the table 7 at the storage position, which faces the notch 23, and forms a convex portion that protrudes toward the notch 23.

Therefore, with the lid 5 open, a finger can be put on the finger rest 24 of the table 7 through the notch 23 provided in the arm rest main body 4, and the table 7 can be easily pulled up from the arm rest main body 4. The table 7 can be easily put in and out of the armrest body 7 without increasing the lateral width of the lid 4 and the lid 5.
In addition, since the notch 23 is provided at the upper end of the inner wall, the notch 23 cannot be seen from the outside, the appearance is good, and the seated person confirms the presence of the table 7 through the notch 23. Can do.

An inverted trapezoidal shape similar to the shape of the side surface of the notch 23 opens upward and inwardly at the upper end of the portion of the armrest body 4 that is outside the opening 10 of the frame 11 that forms the outer wall far from the seat 1. A recessed portion 25 is provided.
By providing the recessed portion 25, the finger-hanging portion 24 of the table 7 can be picked up from the left and right by using the recessed portion 25 and the notch 23, and the operability is further improved.

As shown in FIGS. 3 to 6, a pair of front and rear foot pieces 26, 26 are provided on the lower surface of the front portion of the lid body 5, and the shaft is directed in the front-rear direction passing through the lower end portions of the both foot pieces 26, 26. 27 is fitted in a longitudinally-facing groove 28 provided at the upper end of the frame 11, and a horizontal piece 29b facing outward is connected to the upper end of the vertical piece 29a from above. The lower piece 29c of the substantially inverted J-shaped presser fitting 29 having the downward piece 29c connected to the tip of the lower end 29b is pressed against the shaft 27 so that the vertical piece 29a of the presser fitting 29 is The shaft 27 is fixed to the frame 11 by being fixed to the inner surface of the opening 10, that is, the inner surface of the outer wall of the frame 11 with the set screw 30, and the lid 5 is fixed to FIGS. 1, 2, and 4 to 8. As shown by the solid line in FIG. As shown in FIG. 3 by a solid line and by an imaginary line in FIG. 5 and FIG. It can be rotated about 90 ° about the shaft 29 to the fully open position.
The front and rear foot pieces 26 and 26 are fitted into a pair of front and rear notches 4 a and 4 a provided at the upper end of the outer wall of the frame 11.

  In addition, by making the depth of the groove 28 substantially the same as the diameter of the shaft 27, the downward piece 29c of the presser fitting 29 is omitted, the presser fitting 29 is inverted L-shaped, and the bottom surface of the front end of the horizontal piece 29b. May be pressed against the shaft 27.

As shown in FIGS. 9 to 11, the hinge mechanism 6 includes a support arm 32 pivotally attached to the front upper portion of the frame 11 with a shaft (first shaft) 31 facing in the left-right direction.
The support arm 32 extends in a right-angle direction from a cylindrical base portion 32a that is externally fitted to the shaft 31, an arm portion 32b that extends tangentially from the base portion 32a, and a distal end portion and an intermediate portion of the arm portion 32b. It comprises a pair of bifurcated protrusions 32c and 32c that support a shaft (second shaft) 33 that pivotally supports the base of the table 7.

  The shaft 33 is supported by the support arm 32 so as to face a right angle with a slight gap from the shaft 31, and is directed substantially in the front-rear direction when the table 7 is in the flip-up position and the use position. .

  An adjustment that adjusts the elevation angle facing the front when the table 7 is in the operating position by contacting the top surface of the front end of the frame 11 when the table 7 is in the flip-up position at the tip of the arm 32b of the support arm 32 The bolt 34 is located on one side of the base of the table 7. When the table 7 is in the use position, the bolt 34 comes into contact with the arm portion 32 b of the support arm 32 and faces inward when the table 7 is in the use position. Adjustment bolts 35 for adjusting the angle are respectively provided.

The table 7 has a shape that expands into a fan shape or a butterfly wing shape from the bifurcated base to the tip, and the thickness is such that the base is thick and gradually decreases toward the tip.
In addition, as shown in FIG. 2, the table 7 when the use position is set in a circle C having a radius R from the rotation center O of the base to the front end of the armrest 3 that is the farthest part in a plan view. It fits.
Further, a circular recess 36 serving as a cup receiver is provided at the front upper corner of the table 7 when the table is in the use position.

  As shown in FIGS. 1, 2, and 7, the lateral widths of the armrest body 4 and the lid body 5 are gradually reduced toward the rear, and the outer surfaces of the armrest body 4 and the lid body 4 are viewed in plan view. By gradually warping inward toward the rear, the impression of the armrest 3 protruding outward can be eased.

  A push button 37 for the reclining operation of the backrest 2 is provided on the inner surface of the upper end of the front end of the frame 11 in the armrest body 4, and this and a reclining mechanism (not shown) of the backrest 2 are linked by a Bowden cable 38. Since these details are not directly related to the present invention, the description thereof is omitted.

  In order to set the table 7 located in the storage position to the use position, first, a finger is inserted into the notch 23 and the lid 5 is opened from the closed position to the fully open position, and then passed through the notch 23. The table 7 and the support arm 32 are pivoted by holding the finger on the finger-hanging portion 24 of the table 7 and sandwiching the finger-hanging portion 24 of the table 7 from the left and right by this finger and another finger inserted into the recessed portion 25. After turning upward about 31 and setting it to the flip-up position, only the table 7 may be turned downward about the shaft 33 inward.

After setting the table 7 to the use position, the lid 5 can be closed and used as an elbow rest.
Further, in order to return the use position table 7 to the accommodation position, an operation reverse to the above may be performed.

As is clear from the above, in this embodiment, a part of the shaft 27 that pivotally supports the lid 5 is fitted into the groove 28 provided on the upper surface of the armrest body 4 and the presser fitting 29 is provided from above. Since the presser fitting 29 is screwed to the inner surface of the opening 10 of the armrest body 4, the width of the armrest body 4 can be made wider than that of a conventional known hinge attached to the upper surface of the armrest body. It can be made small, and can be suitably used in vehicles such as vehicles that are required to have a large number of chairs in a limited space.
In addition, since the presser fitting 29 is screwed to the inner surface of the opening 10 of the armrest body 4, when the lid 5 is opened, the screwed portion of the presser fitting 29 is difficult to see and the appearance is good. There is little possibility that the lid 5 is removed due to mischief or the like.
Furthermore, the attachment structure and attachment work of the lid 5 can be simplified.

The present invention is not limited to the above-described embodiment, and can be implemented in various modified forms.
For example, in the article storage space of the armrest body 4, instead of the table 7, a seated person's personal belongings (when applied to a passenger car seat), earphones or instructions (when applied to an aircraft seat), etc. It can also be accommodated.

It is a perspective view of a two-seat chair provided with one embodiment of the present invention. Similarly, it is a top view when making one table into a use position. It is the perspective view seen from the inside when the inner decorative board is removed from the armrest main body and the lid is opened. It is the side view seen from the inside when the inner decorative board is removed from the armrest main body and the lid is closed. It is an enlarged vertical front view along the VV line of FIG. It is an enlarged vertical front view along the VI-VI line of FIG. It is the perspective view seen from the outside when an outer side decorative board is removed from the armrest main body. It is the side view seen from the outside when an outer side decorative board is removed from the armrest main body. It is a disassembled perspective view of a table and a support arm. FIG. 3 is an enlarged longitudinal sectional side view taken along line XX in FIG. 2. It is a vertical front view which follows the XI-XI line of FIG.

Explanation of symbols

1 seat 2 backrest 3 table storage type armrest device (armrest)
4 Armrest body 4a Notch 5 Lid 6 Hinge mechanism 7 Table 8, 9, 10 Opening 11 Frame 12 Set screw 13 Inner decorative plate 13a recess 14 Implanted bolt 15 Nut 16 Outer decorative plate 17, 18 Elastic member 19 Stopper support plate 20 21 Bracket 22 Stopper 23 Notch 24 Finger hooking portion 25 Recessed portion 26 Foot piece 27 Shaft 28 Groove 29 Presser fitting 29a Vertical piece 29b Horizontal piece 29c Downward piece 30 Set screw 31 Shaft 32 Support arm 32a Base part 32b Arm part 32c Projection piece 33 Shaft 34, 35 Adjustment bolt 36 Recess 37 Push button 38 Bowden cable C Circle O Rotation center R Radius

Claims (5)

An article storage space with an upper end opened is formed in the armrest body provided on the side of the seat, and the upper end opening of the article storage space can be opened and closed by a lid pivotally attached to the upper end of the armrest body. In chair armrest device,
A part of the shaft that pivotally supports the lid is fitted into a groove provided on the upper surface of the armrest main body, and the presser fitting is pressed from above, and this presser fitting is attached to the inner surface of the opening of the armrest main body. A chair armrest device characterized by being screwed.   The presser fitting is an inverted L shape or an inverted J shape, the bent tip is in contact with a part of the shaft fitted in the groove, and the vertical piece is screwed to the inner surface of the opening of the armrest body. The armrest device for a chair according to claim 1.   The inner wall of the armrest main body is provided with an opening for screwing the presser fitting provided on the outer wall side as well as the article accommodating space, and this opening is closed by a decorative plate attached to the inner surface of the armrest main body. The armrest device for a chair according to claim 1 or 2.   A pair of foot pieces are provided on the lower surface of the lid so as to be spaced apart from each other, and an intermediate portion of the shaft that penetrates the lower end portions of both foot pieces is fitted into a groove provided in the armrest body, and a presser fitting is provided from above. The armrest device for a chair according to any one of claims 1 to 3, which is brought into contact.   The armrest device for a chair according to any one of claims 1 to 4, wherein a table that can be deployed substantially horizontally above the front part of the seat can be accommodated in the article accommodation space.

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