JP4160367B2 - Chair with hanger - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a chair with a hanger provided with a hanger capable of moving up and down behind a backrest of the chair.
[0002]
[Prior art]
A hanger that can move up and down is provided at the back of the backrest of the chair. A single support rod is attached to the lower center of the hanger body, and this support rod is inserted into a hollow shaft attached to the back of the backrest. A configuration in which the vertical position is adjusted and then fixed with a bolt is known (for example, utility model documents 1 and 2).
[0003]
In addition, it is also known that a folding hanger is attached to the upper end of a support rod that can move up and down (for example, Patent Document 1).
[0004]
However, the former has a support rod attached to the center of the lower part of the hanger body, and this support rod is inserted into the hollow shaft. May fall out.
[0005]
In addition, the latter is not only complicated in structure because of the folding type, but also because the left and right arm pieces constituting the hanger body are pivotally mounted on the left and right of the upper part of the vertical operation rod, the ratchet is not loose. Sticking occurs, and there is a surface lacking in positional stability of the hanger body.
[0006]
[Utility model document 1]
Japanese Utility Model Publication No. 6-45553 [Utility Model Reference 2]
Japanese Utility Model Publication No. 5-7179 [Patent Document 1]
JP-A-9-206169
[Problems to be solved by the invention]
In view of the above-mentioned present situation, the present invention eliminates the possibility that the hanger body will fall upward together with the support rods, improves the positional stability of the hanger body, prevents rattling, and does not use the hanger. It is an object of the present invention to provide a chair with a hanger that does not cause the hanger member to be erroneously moved excessively downward when housed behind the backrest.
[0008]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) In a chair with a hanger provided with a hanger that can move up and down behind the backrest of the chair, a pair of left and right support rods can be slid up and down and locked at multiple positions in the vertical direction. In the state where both the support rods are moved upward to the upper limit locking position, the lower ends of the support rods protrude slightly downward from the support member, and the lower ends thereof are connected. In addition, in a state where both the support rods are moved downward to the lower limit locking position, the upper ends of both support rods protrude upward from the support member, and extend so as to be separated from each other in the left-right direction as going upward. was formed on the upper end of the extension rod portion that extends in the support rod, the flat mounting portion for vertical direction through holes are drilled, extending in the lateral direction length that suits etc. is applied, viewed from the side Is concave downward, Of the hanger body having a shape surface visual is convexly curved slightly downward, the lower surface of the left and right ends near the side view is generally downwardly concave, by fastened with screws that are inserted into the through hole, the support rod A hanger-attached chair is characterized in that a hanger body facing left and right is attached to the upper end of the hanger.
[0009]
(2) In the above item (1), the portions of the support rod that extend so as to be separated from each other in the left-right direction are extended obliquely upward to the rear.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
1 is a side view of a chair with a hanger according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a main part of the chair with a hanger shown in FIG. 1, FIG. 3 is a rear view of the main part, and FIG. These are the IV-IV line longitudinal cross-sectional views in FIG.
[0011]
The hanger-equipped chair (1) of the present invention is provided with a hanger (3) capable of moving up and down behind the backrest (2).
The hanger (3) is formed by a hanger member (4), a support member (5), and a leaf spring (6).
[0012]
The hanger member (4) includes a hanger body (7) and a pair of left and right support rods (8) (9) extending downward from the hanger body (7). ) Is supported by a support member (5) attached to the back surface (10) of the backrest (2) so as to be slidable in the vertical direction.
[0013]
The hanger body (7) has a shape that extends in the left-right direction to such a length that a suit or the like can be hung, has a concave shape in a side view, and is convex in a convex shape in a rear view.
[0014]
The pair of left and right support rods (8) and (9) are vertically moved to the lower limit locking position with the vertical rod portions (8a) and (9a) and the two support rods (8) and (9), respectively. Extending portions (8b) (9b) that are spaced apart from each other in the left-right direction and extend obliquely rearward and upward as they extend upward from the upper ends of the vertical flange portions (8a) (9a), In a state where the hooks (8) and (9) are moved upward to the upper limit locking position, they protrude slightly downward from the lower ends of the vertical hooks (8a) and (9a), and curve in a direction approaching each other as they go downward. The connecting portions (8c) and (9c) are connected to each other, and the support rods (8) and (9) are connected to each other at the lower ends of the connecting portions (8c) and (9c).
[0015]
The upper ends of the extended portions (8b) and (9b) are formed flat, and vertical through holes (8d) and (9d) are formed to form attachment portions (8e) and (9e). .
Screws (11) (11) in which the mounting portions (8e) (9e) are inserted into the through holes (8d) (9d) on the lower surfaces (7a) (7a) near the left and right ends of the hanger body (7). The support rods (8) and (9) are attached to the hanger body (7).
[0016]
The support member (5) is substantially H-shaped when viewed from the back, and is divided at substantially the center in the front-rear direction, and is formed by a front body member (12) and a rear cover member (13). Yes.
[0017]
The body member (12) and the lid member (13) face each other, and the left and right ends of the rear surface (12a) of the body member (12) and the front surface (13a) of the lid member (13) have a semicircular cross section. A vertical groove (14) (15) is provided, and a vertical guide hole (16) is formed by the groove (14) (15) of both the main body member (12) and the lid member (13). It has become.
[0018]
The vertical hooks (8a) (9a) of the left and right support rods (8), (9) are inserted into the left and right guide holes (16), (16) so that the hanger member (4) can slide up and down. Yes.
[0019]
As shown in FIGS. 2 and 4, the left and right support rods (8) and (9) have recesses (17 a) (17 b) ) Is provided.
[0020]
In the support member (5), the bottom portion (14a) of the groove portion (14) of the main body member (12) is provided with a left and right groove hole (18), and a cylinder oriented in the left and right direction is provided in the groove hole (18). The body (19) is loosely fitted so that it can be rotated around a left-right axis. A part (19a) of the cylindrical body (19) in the left-right direction protrudes from the groove (18) and can be engaged with the recesses (17a) and (17b) of the support rods (8) and (9). It has the function of a simple engaging convex part.
[0021]
FIG. 5 is a cross-sectional view taken along line VV in FIG.
As shown in FIGS. 5 and 2, the support rods (8) and (9) are connected to the main body member (12) through the center holes (20) on the left and right sides of the bolts (21a) and nuts (21b). Is elastically biased forward by a leaf spring (6) fastened with a pin.
[0022]
That is, the leaf spring (6) has a rectangular shape that is long in the left-right direction, and is attached to the body member (12) by inserting the bolt (21a) through the through hole (6a) in the center in the left-right direction. Therefore, the left and right sides of the front surface (6b) of the leaf spring (6) are in contact with the rear surfaces (8g) and (9g) of the support rods (8) and (9), and the support rods (8) and (9) are elastically attached to the front. It is fast.
Therefore, the central portion (19a) of the cylindrical body (19) protruding from the groove portion (18) can be satisfactorily engaged with the upper and lower concave portions (17a) and (17b) of the support rods (8) and (9). It has become.
[0023]
6 (a) is a partial cross-sectional view around the upper recess (17a) in the vertical flanges (8a) and (9a) of the support rods (8) and (9), and FIG. 6 (b) is a lower recess ( FIG. 17b is a partial sectional view of the periphery.
As shown in FIG. 6 (a), the shape of the upper surface (17c) of the upper concave portion (17a) is such that the cylindrical body (19) having the function of an engaging convex portion is engaged with the concave portion (17a). Is formed in such a shape as to prevent it from moving upward. That is, the angle θ1 formed between the front surfaces (8f) and (9f) of the vertical flange portions (8a) and (9a) and the upper surface (17c) in the support rods (8) and (9) is close to 90 degrees and is usually 130 degrees. Hereinafter, it is preferably formed at 115 degrees or less.
[0024]
In this way, after using the hanger (3), when the hanger member (4) is lowered and stored behind the backrest (2), the hanger member (4) is lowered below the predetermined storage position. Can be prevented from excessively falling.
[0025]
Further, as shown in FIG. 6B, the shape of the lower surface (17d) of the lower concave portion (17b) is such that the cylindrical body (19) having the function of an engaging convex portion is the same as the concave portion (17b). It is formed in such a shape as to prevent it from being disengaged and moving downward. That is, the angle θ2 between the front surfaces (8f) and (9f) of the vertical flange portions (8a) and (9a) in the support rods (8) and (9) and the lower surface (17d) is close to 90 degrees and is usually 130 degrees. Hereinafter, it is preferably formed at 115 degrees or less.
[0026]
Thus, when the hanger (3) is to be used, the hanger member (4) accommodated behind the backrest (2) is moved upward to a predetermined use position. It is possible to prevent the hanger member (4) from moving excessively upward beyond the predetermined use position.
[0027]
As shown in FIG. 4, the support rods (8) and (9) are formed in a slightly arcuate shape having a rearward convex shape. This is because when the support rod (8) (9) is slid in the vertical direction, the rear surface (8g) of the support rod (8) (9) is caused by the upper and lower edge ends (6c) (6d) of the leaf spring (6). ) (9g) is not rubbed and damaged.
[0028]
Generally, a hanger (3) is attached as needed. Therefore, it is desirable that the backrest (2) is formed so as to be compatible with both the type with and without the hanger (3) attached.
For this reason, as shown in FIG. 2, a horizontally elongated recess (22) is provided at the center of the back surface (10) of the backrest (2), and a horizontally elongated concave cover is provided at the center of the recess (22). An engaging portion (23) is provided, and female screw portions (24) and (24) are provided on the left and right sides of the engaged portion (23).
[0029]
The engaged portion (23) is for attaching a cover member (25) that covers the female screw portions (24) and (24) when the hanger (3) is not attached, and the female screw portions (24) and (24). These are for attaching the supporting member (5) which supports the hanger member (4) when attaching the hanger (3).
[0030]
The cover member (25) has the same oblong shape as the recess (22) so as to be fitted into the recess (22), and the left and right sides of the front surface (25a) are engaged in the recess (22). Engaging portions (26) and (26) that engage with the portion (23) are provided. That is, the left and right ends of the engaged portion (23) are wide, and the engaging portions (26) and (26) have engaging claws (26a) and (26a) that are outward in the left-right direction. The cover member (25) can be attached to the back surface (10) of the backrest (2) by engaging with the wide left and right ends of the engaged portion (23). Since the female screw parts (24) and (24) in the concave part (22) are covered with the cover member (25) and are not exposed to the outside, the appearance is not impaired.
The rear surface (25b) of the cover member (25) can also be used as a name plate, for example.
[0031]
On the other hand, when attaching a hanger (3), it follows the following procedure.
First, a screwdriver or the like is inserted between the cover member (25) and the backrest (2), and the cover member (25) is removed.
[0032]
Next, the vertical flange portions (8a) (9a) of the pair of left and right support rods (8), (9) are fitted into the left and right groove portions (14), (14) of the main body member (12) of the support member (5), As described above, the leaf spring (6) is fastened to the main body member (12) by bolts (21a) and nuts (21b) from the rear, and the support rods (8), (9) are secured by this leaf spring (6). ) Elastically forward.
The cylindrical body (19) is previously loosely fitted in the groove hole (18) in the bottom part (14a) of the groove part (14).
[0033]
Next, the lid member (13) is engaged with and integrated with the main body member (12) from the rear as follows.
[0034]
7 is a longitudinal sectional view taken along line VII-VII in FIG. As shown in FIG. 7 and FIG. 2, there are engaging claws (27a) at the front end on the inner side of the left and right grooves (15) and (15) on the front surface (13a) of the lid member (13), respectively. An engagement portion (27) is provided, and a rear surface (12a) of the main body member (12) corresponds to an engaged hole (28) (28) with which the engagement portion (27) (27) is engaged. In the position.
[0035]
The lid member (13) is engaged from the rear by engaging the engaging portions (27) and (27) with the engaged holes (28) and (28) of the main body member (12). Can be easily integrated with the main body member (12).
[0036]
The body member (12), the leaf spring (6), and the lid member (13) are each provided with a through hole (24) at a position corresponding to the pair of left and right female threads (24) on the rear surface (10) of the backrest (2). 29) (30) (31) are drilled.
[0037]
A pair of bolts (32), (32) are inserted through the through holes (29), (30), (31) from the rear, and the female thread portions (24), (24) (24) (24) ), The supporting member (5) for supporting the hanger member (4) can be easily fixed to the rear surface (10) of the backrest (2) together with the leaf spring (6).
[0038]
FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 2 when the cover member (25) is attached to the lid member (13).
As shown in FIGS. 2 and 8, the rear surface (13b) of the lid member (13) has substantially the same shape as the recess (22) and the engaged portion (23) on the rear surface (10) of the backrest (2). A recess (33) and an engaged portion (34) are provided.
[0039]
Therefore, the cover member (25) removed from the backrest (2) is attached to the rear surface (10) of the backrest (2) in the same manner as the left and right engaging portions (26) ( By engaging the engaging claws (26a) and (26a) in (26) with the left and right ends of the engaged portion (23) of the lid member (13), the cover member (25) is removed from the lid member (13). It can be easily attached to the rear surface (13b).
[0040]
By attaching the cover member (25), it is possible to improve the appearance without covering the heads of the bolts (32) and (32) and exposing them to the outside.
[0041]
【The invention's effect】
According to the present invention, the following effects can be obtained.
(1) According to the invention described in claim 1, since the lower ends of the pair of left and right support rods are connected to each other, there is no possibility that the hanger body will fall off together with the support rod.
In addition, since the hanger body is attached at the upper end of the support rod that is spaced apart from each other in the left-right direction, the hanger body is disposed on the left and right of the upper portion of the vertical operation rod as disclosed in Patent Document 1. Compared to the case where the left and right arm pieces are pivotally mounted, the positional stability of the hanger body is improved and no rattling occurs.
Furthermore, it extends in the left-right direction to the extent that a spine or the like can be hung on a flat mounting portion formed at the upper end of the extending portion where the support rod extends and in which a vertical through-hole is drilled. The hanger body, which has a substantially downwardly concave shape and a convexly curved shape when viewed from the back, is secured with screws inserted through the through-holes in the vicinity of the left and right ends of the concave shape when viewed from the side. Since the hanger body is attached to the upper end of the support rod in the left-right direction, the position stability of the hanger body can be improved, and the extended portion of the support rod extends to the upper end of the support member. There is no possibility that the hanger member formed by the hanger body and the support rod will be excessively moved downward by mistake.
[0042]
(2) According to the invention described in claim 2, since the position of the hanger body is considerably rearward from the backrest, the suitcase or the like hung on the hanger body touches the seated person's head and gets in the way. It becomes possible to effectively prevent the back and the like from becoming dirty.
[Brief description of the drawings]
FIG. 1 is a side view of a chair with a hanger according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of a main part of the chair with a hanger shown in FIG.
FIG. 3 is similarly a rear view of the main part.
4 is a vertical sectional view taken along line IV to IV in FIG. 3;
FIG. 5 is a cross-sectional view taken along line V-V in FIG.
FIG. 6 (a) is a partial cross-sectional view of the periphery of the recess on the upper side of the support rod.
FIG. 5B is a partial cross-sectional view around the lower concave portion.
7 is a longitudinal sectional view taken along line VII to VII in FIG. 3;
FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 2 when the cover member is attached to the lid member.
[Explanation of symbols]
(1) Chair with hanger
(2) Backrest
(3) Hanger
(4) Hanger material
(5) Support member
(6) Leaf spring
(6a) Through hole
(6b) Front
(6c) Upper edge
(6d) Lower edge
(7) Hanger body
(7a) Bottom surface
(8) (9) Support rod
(8a) (9a) downspout
(8b) (9b)
(8c) (9c) Connecting part
(8d) (9d) Through hole
(8e) (9e) Mounting part
(8f) (9f) Front
(8g) (9g) Rear side
(10) Rear side
(11) Screw
(12) Body member
(12a) Rear side
(12b) Front
(13) Lid member
(13a) Front
(13b) Rear side
(14) (15) Groove
(14a) Bottom
(16) Guide hole
(17a) (17b) Recess
(17c) Top surface
(17d) Bottom surface
(18) Slot
(19) Cylindrical body
(19a) Central part
(20) Through hole
(21a) Bolt
(21b) Nut
(22) Recess
(23) Engaged part
(24) Female thread
(25) Cover member
(25a) Front
(25b) Rear side
(26) Engagement part
(26a) Engaging claw
(27) Engagement part
(27a) Engaging claw
(28) Engagement hole
(29) (30) (31) Through hole
(32) Bolt
(33) Recess
(34) Engaged part

Claims (2)

In a chair with a hanger provided with a hanger that can move up and down behind the back of the chair, a pair of left and right support rods can be slid up and down and locked at multiple positions in the vertical direction A member is provided, and in a state where the both support rods are moved upward to the upper limit locking position, the lower ends of the support rods protrude slightly downward from the support member, the lower ends are connected to each other, and both supports are supported. the rod, in a state of being moved downward to the lower limit locking position, together with to project the upper ends of the support rods above said support member, is extended so as to be spaced apart from each other in the lateral direction toward the upper side, the support Extends in the left-right direction to a length that allows a spine etc. to be hung on a flat mounting part formed in the upper end of the extending part of the heel, with a through hole in the vertical direction, and the side view is almost downward Concave, back Of but hanger body having a shape which is convexly curved slightly downward, the lower surface of the left and right ends near the side view is generally downwardly concave, by fastened with screws that are inserted into the through hole, the upper end of the support rod A hanger-equipped chair with a hanger body facing left and right.   The chair with a hanger according to claim 1, wherein portions of the support rod extending so as to be separated from each other in the left-right direction are extended obliquely upward rearward.

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