KR200422115Y1 - Horizontally pivoting armrest - Google Patents

Abstract

The present invention implements a configuration in which the armrest unit is horizontally rotated in a certain angle range to seat the arm in the most comfortable state, guides the rotational trajectory during horizontal rotation of the armrest unit and is fixed at a fixed point The present invention relates to an armrest for a horizontally rotatable chair which is added and convenient to use, the armrest support coupled to a chair; An armrest unit hinged to one side of the armrest supporter at an upper portion of the armrest supporter; And, the armrest unit is coupled to the armrest support unit and the hinged point of the armrest unit and the spaced apart point, the guide projection protruding from the armrest support is inserted into the arc-shaped elastic guide space formed inside the hinge coupling of the armrest unit The horizontal rotation is guided around the fixed point, and a plurality of fixing surfaces are formed at regular intervals between the ends or between the arc-shaped elastic guide spaces, so that the guide protrusions protruding from the armrest support are fixedly supported on the fixing surface to support the armrest unit. It provides an armrest for a horizontal pivotable chair, characterized in that it comprises an inner means during the rotation of the rotational state of the intermittent.

Chair, Armrest, Horizontal Swivel

Description

Horizontal arm-chair armrest {HORIZONTALLY PIVOTING ARMREST}

1 is a perspective view of one embodiment of the armrest for a chair according to the present invention.

Figure 2 is an exploded perspective view of the armrest for a chair according to the embodiment shown in FIG.

Figure 3 is a perspective view of the inner rotation means of the armrest according to an embodiment of the present invention.

Figure 4 is a bottom perspective view of the internal means of the armrest according to an embodiment of the present invention.

Figure 5a, Figure 5b is a rotation state operating state of the armrest for a chair according to the present invention.

Figure 6 is an exploded perspective view of another embodiment of the armrest for a chair according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10: armrest support 20: armrest unit

30: hinge coupling portion 40: internal means

41: elastic guide portion 42: arc-shaped elastic guide space

43: fixed surface 44: flange portion

45: elastic groove 46: locking projection

The present invention relates to a chair armrest, and in detail, to implement a configuration in which the armrest unit is rotated horizontally in order to put the arm in the most comfortable state, and guides the rotational trajectory during the horizontal rotation of the armrest unit The present invention relates to a chair armrest for convenience of use by adding a configuration to fix the armrest unit at an angle pivoted point.

In general, the chair is composed of a seating part for the user to sit on, and a backrest for supporting the user's back while sitting in the seating part. In particular, the chair is provided with armrests formed on both sides of the seating portion or both sides of the back portion of the seating arm to provide a more comfortable seating feeling in the seated state of the user.

The armrest includes an armrest unit for the seated person to put the arm, and an armrest support that is coupled to the armrest unit and the other side is coupled to the seating part or the back of the chair and fixed to the armrest unit to be fixed at an appropriate height. It is done by In particular, the armrest unit is composed of a rigid coupling plate coupled to the armrest support in the form of a pad for supporting the arm, and a support pad coupled to the upper side of the coupling plate to contact the arm.

Such chair armrests have a variety of functions to ensure that the seated person is provided with a more comfortable seating comfort. Representative embodiments of such a function may for example illustrate a configuration in which the height of the armrest supporting the arm is adjusted, and a configuration in which the horizontal rotation angle of the armrest supporting the arm is adjusted.

In particular, the conventional configuration for adjusting the rotation angle of the armrest is formed by forming a hinge coupling point on one side of the armrest support to which the armrest unit is coupled, the armrest unit is configured to rotate a certain angle to the left, right around the hinge coupling point. do. Therefore, a user seated in a chair to which such a configuration is applied is able to obtain a more comfortable sitting feeling by placing the arm at the most comfortable angle on the armrest whose angle is adjusted to left and right.

Conventional angle adjustment configuration as described above is not provided with a suitable means for maintaining the state after the armrest unit is rotated in the horizontal direction left, right, armrest support arm and armrest unit loosening the hinged state of the armrest unit in the long term use armrest unit This armrest will not lock in place on the support. In particular, when the armrest unit is not fixed in position, there is a problem of lowering the quality reliability of the product because it becomes a so-called "muffled" state.

To this end, it has been proposed that an intermittent member such as a bolt for pressing and supporting the armrest unit to fix the pivoted state of the armrest unit is coupled to the armrest support. Such an intermittent member such as a bolt is very troublesome to tighten or loosen the intermittent member to rotate the armrest unit. In addition, when the armrest is applied to a chair for business use that is used by a number of guests other than the personal use, the number of tightening or releasing the cracking member is increased, thereby loosening the coupling point of the cracking member or even replacement of There is a problem of generating a user's economic burden because a demand occurs.

The present invention has been made to solve the above problems, to provide a chair armrest so that the armrest unit is rotated horizontally on a certain angle range on the armrest support can be stably fixed without any additional operation. The purpose is.

In order to achieve the above object, the present invention has the following configuration.

That is, the present invention, the armrest support coupled to the chair; An armrest unit hinged to one side of the armrest supporter at an upper portion of the armrest supporter; The armrest unit is separated from the armrest support by a hinged point of the armrest supporter and the armrest unit, and is coupled to the armrest unit to be horizontally rotatable and separated from the armrest support, and an arc-shaped elastic guide space formed therein. The guide protrusion protruding from the armrest support is inserted into the horizontal rotation centering around the hinged point of the armrest unit, and a plurality of fixed surfaces are formed at regular intervals between the ends or between the arc-shaped elastic guide spaces. And the guide protrusion is fixedly supported at the fixed surface, and includes an inner rotation means for intermittent rotation of the armrest unit.

On the other hand, the installation position of the guide projection and the slewing inner means constituting the present invention can also be formed in the opposite structure as described above, that is, the present design and armrest support coupled to the chair; An armrest unit hinged to one side of the armrest supporter at an upper portion of the armrest supporter; The armrest unit is separated from the armrest support by a hinged point of the armrest support and the armrest unit, and is coupled to the armrest support so as to be horizontally rotatable and separated from the armrest support. The guide protrusion protruding from the armrest unit is inserted into the horizontal rotation of the armrest unit around the hinged point, and a plurality of fixed surfaces are spaced at regular intervals between the ends or between the arc-shaped elastic guide spaces. It is also provided to provide a horizontal armchair armrest including a rotating means for the guide projection is fixedly supported on the fixed surface and the rotational state of the armrest unit is intermittent.

Preferably, the inner rotation means is an elastic slit form the arc-shaped elastic guide space is formed in a smaller width than the diameter of the guide projection, the fixing surface is larger than the width of the arc-shaped elastic guide space and the guide protrusion It is formed as a round face corresponding to a part of the circumference not smaller than the diameter of. In addition, the inner rotation means is extended to the outside and provided with a flange portion, the flange portion formed elastic grooves inward and outward along the circumference of the arc-shaped elastic guide space to respond elastically when contacted with the guide projection An elastic guide portion is formed.

In addition, the armrest unit or the armrest support is formed with a coupling hole through which the inner means are fitted and coupled, and the engaging projection is formed on the outer side of the elastic guide portion of the inner means formed in the engaging hole. In particular, the inner circumferential surface of the coupling through hole is preferably formed while maintaining a constant distance from the outer circumferential surface of the elastic guide portion of the inner means.

Further, the armrest unit is configured by the coupling plate is coupled to the armrest support and the support pad in contact with the arm of the seat, the inner means or the guide protrusion may be installed on the coupling plate.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in detail.

1 is a perspective view of an embodiment of a chair armrest according to the present invention, and Figure 2 is an exploded perspective view of the armrest for a chair according to the embodiment shown in FIG.

1 and 2 in the preferred embodiment according to the present invention to look at, armrest support 10 coupled to a chair, armrest unit 20 coupled to the armrest support 10, the armrest unit 20 The armrest for a horizontally rotatable chair including a guide inner portion (40) formed on the armrest support (10) to be guided by the inner rotation means (40), and the inner rotation means (40) installed on the inner side.

The armrest support 10 is coupled to the seating portion or the back of the chair, and the other side is coupled to the armrest unit 20 in order to position the armrest unit 20 on which the arm of the seated person is placed at an appropriate height. The armrest support 10 is a hinge protrusion 11 and the guide projection 12 is formed on the side that is coupled to the armrest unit 20 is formed. The hinge protrusion 11 and the guide protrusion 12 are formed to maintain a constant distance from each other, the end of the armrest support 10 in the drawing on the horizontal plane in the longitudinal direction to the rear, both ends in the longitudinal direction The hinge protrusions 11 and the guide protrusions 12 are formed at the respective ends. In addition, the armrest support 10 may be presented in the form of a unit in which a plurality of components are installed in combination, and various various configurations may be adopted, and thus detailed description thereof will be omitted.

The armrest unit 20 is composed of a coupling plate 21 is coupled to the armrest support 10, and the support pad 22 is coupled to the upper surface of the coupling plate 21 is the arm of the seated person. At this time, the coupling plate 21 is formed of a hard synthetic resin or metal material to be combined with the armrest support (10). The support pad 22 is preferably formed of a soft synthetic resin or rubber material in order to provide a comfortable texture when the arm of the seated person is in contact with, but in some cases it may also be formed of a hard synthetic resin or metal material Of course.

The coupling plate 21 is formed by passing through the upper and lower hinge holes 23 for engaging the hinge projection 11 is fitted to the point corresponding to the hinge projection 11 of the armrest support (10). In addition, at the point corresponding to the guide projection 12 of the armrest support 10, a coupling through-hole 24 for coupling the inner means 40 is formed. In this regard, the hinge protrusion 11 and the guide protrusion 12 of the armrest support 10 penetrate the hinge hole 23 and the inner inner means 40 coupled to the coupling hole 24, respectively, and then have a fixed force. Each of the bolts 11a and 12a coupled to impart.

In the above configuration, the hinge protrusion 11 of the armrest support 10 and the hinge hole 23 of the coupling plate 21 constitute the hinge coupling part 30 to which the armrest unit 20 is rotated.

Figure 3 shows a perspective view of the swivel inner means of the armrest for chair according to an embodiment of the present invention, and Figure 4 shows a bottom perspective view of the swivel inner means of the armrest for chair according to an embodiment of the present invention. .

3 and 4, the inner inner means 40 is fitted into the coupling through-hole 24 of the coupling plate 21 is coupled. The inner means 40 has a circular arc-shaped elastic guide space 42 formed round the curvature of the virtual circle having a radius of the center of the guide projection 12 in the center of the hinge projection 11 of the armrest support 10 Is formed. The arc-shaped elastic guide space 42 is formed in the form of a slit having a width corresponding to the diameter of the guide protrusion 12 protruding from the armrest support 10.

An end surface of the arc-shaped resilient guide space 42 between the armrest unit 20 is rotated in contact with the guide projection 12 is formed with a fixed surface 43 for holding the armrest unit 20 is fixed. . In other words, the fixing surface 43 performs an intermittent function to fix the armrest unit 20 is rotated.

In such a configuration, the arc-shaped elastic guide space 42 is formed including a section formed with a smaller width than the diameter of the guide protrusion 12 of the armrest support (10). This makes the armrest unit 20 such that the arc-shaped elastic guide space 42 becomes the "interfit-fitting" section A (refer to the dashed-dotted circle drawing in FIG. 5A) when the state in which the arc-shaped elastic guide space 42 is in contact with the guide protrusion 12. This prevents unauthorized flow. At this time, the circular arc-shaped elastic guide space 42 to maintain the "interlock fit" with the guide projection 12 and the armrest unit 20 to rotate so that the inner means 40 is made of elastic synthetic resin or It is preferable to form the rubber material. In another embodiment, only the periphery of the arc-shaped elastic guide space 42 of the inner inner portion 40 may be formed of a synthetic resin or rubber material having elasticity.

The fixing surface 43 is formed as a round surface corresponding to a portion of the circumference larger than the width of the arc-shaped elastic guide space 42 and not smaller (greater than or equal to) the diameter of the guide protrusion 12 of the armrest support 10. . That is, the fixing surface 43 is coupled to the guide projection 12 in the "middle fitting" section (B) (see the dashed-dotted circle drawing in Fig. 5a) or, in some cases, the "loose fitting" section. do. In particular, such a fixed surface 43 is formed in three places of the center, both ends, as shown in the drawing, less than this by dividing the circumference of the two ends or the arc-shaped elastic guide space 42 a plurality of points or more It can also be formed in. This is the structure which divides the location of the fixed point when the armrest unit 20 is rotated horizontally at an angle.

In a further configuration, the internal means 40 is rotated outward to form a flange portion 44. The flange portion 44 is formed with an elastic groove 45 along the circumference of the arc-shaped elastic guide space 42 to the inner side (the side closer to the hinge engaging portion) and the outer side (the side farther from the hinge engaging portion). The elastic groove 45 is formed between the arc-shaped elastic guide space 42 and the elastic groove 45 when the guide protrusion 12 is "fitted together" moving along the arc-shaped elastic guide space 42. The elastic guide portion 41 is a configuration that provides a space to enable the elastic deformation.

The elastic guide portion 41 is protruded to be fitted into the coupling through-hole 24 of the coupling plate 21. In addition, the elastic guide portion 41 has a locking projection 46 is formed on the outer circumferential surface of the protruding end, the coupling groove 25 is formed on the inner surface of the coupling through-hole 24 to be correspondingly coupled thereto. Here, the locking projection 46 is formed on any one side or a plurality of points (three points in the figure) of the outer peripheral surface is configured to maintain a stable coupling state. In particular, the elastic guide portion 41 is configured to maintain a predetermined distance (interval of the width of the elastic groove) and the inner circumferential surface of the coupling through-hole 24 to ensure a space pushed out by the guide protrusion 12. .

5a and 5b is an operating state diagram showing a rotating state of the armrest for a chair according to the embodiment described above.

5A shows a fixed state in which the armrest unit 20 does not change the rotation angle. At this time, the guide protrusion 12 of the armrest support 10 is in contact with the fixing surface 43 of the center in the arc-shaped elastic guide space 42 of the inner means 40 is fixed state. In this state, when the seated person rotates the tip portion (upper side of the figure) of the armrest unit 20 to the left or the right, the state of FIG. 5B is obtained.

5B illustrates a state in which the armrest unit 20 is horizontally rotated by a predetermined angle. At this time, the guide protrusion 12 of the armrest support 10 is in contact with and fixed to any one side of the fixing surface 43 of both sides in the circular arc-shaped elastic guide space 42 of the inner means 40.

Here, the inner rotation means 40 is the inner side along the circumference of the arc-shaped elastic guide space 42 is the elastic guide portion 41 in contact with the guide projection 12 in the intermediate state that the armrest unit 20 is rotated And it is elastically pushed toward the elastic groove 45 formed to the outside. The guide protrusion 12 of the armrest support 10 and the armrest unit 20 "fitted together" by the elastic deformation action toward the elastic groove 45 formed inward and outward of the elastic guide portion 41. When the guide protrusion 12 is finally located on the fixed surface 43 and the rotation of the armrest unit 20 is completed (rotation of the state of FIGS. 5A and 5B), the groove is formed to be rotatable. (45)) the elastic guide portion 41 pushed to the side is restored again so that the guide projection 12 is securely held in a locked state fixed to the fixing surface 43, so that the user's external force (elastic guide portion 41) The armrest unit 20 is not rotated in an endless state in a state in which the force capable of pushing and moving the guide protrusion 12 to the elastic groove 45 is not supplied.

As described above, the installation position of the guide projection and the circulatory inner means of the present invention may be formed in a structure opposite to the above-described embodiment, and another embodiment of the present invention corresponding thereto is shown in FIG. 6. As shown in FIG. 6, the guide protrusion 125 is installed to protrude downwardly to the armrest unit 120, and an arc-shaped elastic to which the guide protrusion 125 is fitted to the armrest support 110. Including the guide space 142 and the fixed surface 143, including the inner means 140, wherein the inner means 140 is coupled through hole formed in the upper plate 112 of the armrest support 110 It has a structure installed in the 114, whereby the armrest unit 120 is separated from the armrest support 110 to be horizontally rotatable. Of course, the armrest unit 120 is coupled to the armrest support 110, the coupling plate 121 and the support pad 122 is in contact with the arm of the seated seat is configured, the guide protrusion 125 is coupled It is configured to be coupled to the plate 121 from below.

Except for the installation position and the direction of the guide projection and the internal rotation means there is no substantial difference from the embodiment shown and described in Figures 1 to 5b, the description of the other detailed configuration and operation state will be omitted.

Although the present invention has been described in detail with reference to a preferred embodiment, it can be carried out in a specific form different from the illustrated embodiment without changing the technical spirit or essential features of the present invention by those skilled in the art to which the present invention belongs As will be appreciated, it is to be understood that the embodiments described above are illustrative only and not restrictive.

And, the scope of the present invention is to be specified by the claims rather than illustrated in the drawings and illustrated in the detailed description, all changes or modifications derived from the meaning and scope of the claims and equivalent concepts of the present invention It should be interpreted as falling within the scope of.

As described above, the present invention guides the horizontal rotation of the armrest unit around the hinged point by inserting the guide protrusion into the arc-shaped elastic guide space, and also has a predetermined distance between the ends or between the arc-shaped elastic guide space. The guide projection is fixedly supported on the fixed surface formed by the inner rotation means to provide the intermittent means for the rotational state of the armrest unit to be intermittent. And convenience, and furthermore, the risk of breakage of the control point by the frequent operation of the means for controlling the rotational state is greatly reduced, thereby reducing the economic burden on the user who needs to replace the damaged part.

Claims (8)

An armrest support coupled to the chair; An armrest unit hinged to one side of the armrest supporter at an upper portion of the armrest supporter; And, The armrest unit is separated from the armrest support and the hinged point of the armrest support and armrest unit is coupled to the armrest unit to be horizontally rotatable and separated from the armrest support, the arc-shaped elastic guide space formed inside Guide protrusions protruding from the armrest support are inserted to guide the horizontal rotation of the armrest unit around the hinged point, and a plurality of fixed surfaces are formed at regular intervals between the ends or between the arc-shaped elastic guide spaces. And the guide protrusion is fixedly supported at the fixed surface and includes a rotation means for intermittent rotation of the armrest unit. An armrest support coupled to the chair; An armrest unit hinged to one side of the armrest supporter at an upper portion of the armrest supporter; And, The armrest unit is separated from the hinged point of the armrest support and the armrest unit is coupled to the armrest support to be horizontally rotatable separated from the armrest support, the arc-shaped elastic guide space formed inside Guide protrusions protruding from the armrest unit are inserted to guide the horizontal rotation of the armrest unit around the hinged point, and a plurality of fixed surfaces are formed at regular intervals between the ends or between the arc-shaped elastic guide spaces. The guide protrusion is fixed to the fixed surface and the armrest for a horizontal pivotable chair, characterized in that it comprises an inner means during the rotation of the armrest unit intermittent rotation. The method according to claim 1 or 2, The circular inner means is an elastic slit shape in which the arc-shaped elastic guide space is smaller than the diameter of the guide protrusion, and the fixing surface is larger than the width of the arc-shaped elastic guide space and smaller than the diameter of the guide protrusion. Horizontally rotatable chair armrest, characterized in that formed in a round surface corresponding to a portion of the circumference. The method of claim 3, wherein The inner means extends outward to have a flange portion, and the flange portion has elastic grooves formed inward and outward along the circumference of the arc-shaped elastic guide space to elastically correspond to the guide protrusion. Horizontally rotatable chair armrest characterized in that the portion is formed. The method of claim 4, wherein The armrest unit or the armrest support is formed with a coupling hole through which the inner means are fitted to be coupled to each other, and a horizontally rotatable protrusion is formed on the outer side of the elastic guide portion of the inner means formed in the coupling hole. Chair armrest. The method of claim 5, The inner circumferential surface of the coupling through the armrest for a horizontal pivotable chair, characterized in that formed while maintaining a constant distance from the outer circumferential surface of the elastic guide portion of the inner means during the rotation. The method of claim 1, The armrest unit is coupled to the armrest support plate is coupled to the armrest supporter, the support pad is in contact with the arm of the seat is configured, the rotational chair armrests, characterized in that the inner means is installed on the coupling plate is configured. The method of claim 2, The armrest unit is coupled to the armrest support plate coupled to the armrest supporter, the support pad is in contact with the arm of the seat is configured, the guide protrusion is installed on the engaging plate, characterized in that the armrest for a horizontal rotatable chair.

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