KR20190120873A - A simple chair for an elevator - Google Patents

Abstract

The present invention relates to a simple chair for an elevator comprising: a seat unit (1) provided on a wall of an elevator, on which a user sits; and a support unit (4) to support the weight of the seat unit while the seat unit is unfolded. The simple chair for an elevator further comprises a hinge unit (3) to support the seat unit (1) to be rotated between a position where the seat unit (1) is accommodated in a groove (2) formed on the wall of the elevator and an unfolded use position. A groove (11) is formed on a lower surface of the seat unit (1), and a slot (12) is formed on both side walls of the groove in a longitudinal direction. The support unit (4) is provided with support members (41, 42) on an upper and a lower end thereof. Both ends of the support member (41) provided on the upper end move horizontally on the unfolded seat unit from a lower end of the slot (12) of the seat unit (1) to an upper end of the slot (12). Since the simple chair for an elevator is slim to be embedded in the wall of the elevator and is unfolded from a folded state only when in use, inconvenience in use of the elevator of other people is not caused. The simple chair for an elevator has a simplified structure to be rotated to an unfolded use position and a folded position accommodated in the wall in a foldable manner in a hinge structure to reduce installation costs. The chair is supported by the foldable support unit to sufficiently support the weight of the user to improve safety.

Description

Simple chair for elevator {A SIMPLE CHAIR FOR AN ELEVATOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a simple chair for an elevator, and in particular, a simple chair for an elevator having an improved structure to simplify and slim down a structure so that a user can sit and to provide sufficient support for the user while being folded horizontally in an elevator wall. It is about.

In general, elevators installed in high-rise buildings or apartments are to be moved up and down in a standing posture while occupants are occupied. Therefore, there is an uncomfortable problem in using the elevator by moving in a standing state of the uncomfortable pregnant women or elderly people.

In particular, elevators have been installed not only in high-rise buildings but also in five-story or lower buildings for the purpose of increasing the number of elderly people and for the convenience of users. However, it has been proposed to install simple chairs in elevators for the convenience of the elderly.

For example, Korean Utility Model Registration No. 20-0276415 discloses a chair that is installed inside an elevator, but it is inconvenient to use and troublesome because the side support plate that is difficult to see is unfolded when the chair is lifted upward. If the side rest plate was folded back after using the chair, there was a risk of a safety accident that could cause the occupant to be injured by the rapid falling of the upper chair.

As a remedy for this, Korean Patent No. 10-1200995 discloses an area outside the corner and the interior space of the elevator through a seat which can be located at a corner of the interior space of the elevator and an entrance hole provided at one side wall of the elevator. Movement means for moving the sheet so that the sheet can come and go, the movement means is the rotation axis of the seat is coupled to form the center of rotation of the sheet is installed on the outside of the side wall, the rotation axis forward or reverse And a driving unit for passing the seat through the entrance hole, wherein the driving unit includes a worm wheel coupled to the rotating shaft, a worm gear meshing with the worm wheel, and an electric motor coupled to the drive shaft. Is proposed.

However, the above-described conventional chair for elevators is inconvenient to use because the seat is installed in the corner and the seat for the actual user is narrow, and it is complicated to adopt a gear device and an electric motor, and it is difficult to install in the elevator. With the burden of increasing costs.

Korean Utility Model Registration No. 20-0276415 Korean Patent Registration No. 10-1200995

The object of the present invention is to be foldable and slim structure to be accommodated in the wall of the elevator without using a motor, in order to solve the problems according to the above-mentioned elevator simple chair of the prior art, improved to sufficiently support the user's weight It is to provide an elevator simple chair of the structure.

In order to achieve the above object, the elevator simple chair according to the present invention comprises an elevator simple chair having a seat portion provided by a user provided on a wall of an elevator and a support portion for supporting a load of the sheet portion in a state where the sheet portion is unfolded,

The seat portion includes a hinge for supporting so as to be rotatable between the position accommodated in the groove formed in the wall of the elevator and the expanded use position,

Grooves are formed in the bottom of the sheet portion, and slots are formed in the longitudinal direction on both side walls of the grooves.

The support portion is provided with support members at its upper and lower ends, respectively, wherein both ends of the support member provided at the upper end are configured to move horizontally in the unfolded sheet from the lower end to the upper end of the slot of the seat part.

The hinge portion is provided on both sides of the groove of the elevator wall opposite the lower side of the seat, a housing, a cam member which is rotatably fitted to the holder in turn, and is coupled to the holder, and a hole formed in the center of the cam member. It includes a shaft portion inserted through and engaged with each other, the spring portion disposed concentrically outward.

The housing is secured to the seat and a closure is provided at the open end of the housing, the closure being coupled to the end of the shaft and secured to the bottom of the groove of the elevator.

Protruding portions are formed at both sides of the cam member, and a groove is formed at an inner side of the housing so that the cam member is installed in the housing in a longitudinal direction but is not rotated.

The cam member has a groove formed in a radial direction thereof, and both sides of the groove are formed with an inclined surface upwardly outward so that a protrusion is formed in a wave shape, and correspondingly, the head of the shaft portion is formed in the groove of the cam member. Engaging protrusions are formed in the shape of waves, the protrusions are formed on both sides of the inclined surface, the top surface of the head is formed with a rectangular pillar-shaped protrusion is coupled to the square groove of the stopper.

In the vertically receiving position of the seat, the cam member of the hinge portion and the protrusions of the shaft portion come into contact with each other at the vertex portions, and the springs are compressed. The protrusion of the cam member is configured such that the floor and the valley are coupled to each other along the inclined surfaces of the spring by the elastic force of the spring, so that the sheet falls horizontally.

The elevator simple chair according to the present invention is configured to be built in the wall of the elevator and is folded in the folded state only when using, so as not to inconvenience the use of the elevator of others, the folded folded position accommodated in the use position and the wall folded in the hinge structure Consists of a simplified structure that can be rotated to a position to reduce the installation cost, and to support the chair with a foldable support to sufficiently support the user's weight has the effect of improving safety.

1 is an internal perspective view of an elevator employing an elevator simple chair of the present invention.
Figure 2 is a perspective view of the support for removing the support for the chair of Figure 1;
Figure 3 is an exploded perspective view showing a hinge structure for folding the chair.
4 is a cross-sectional view of the sheet employing the hinge structure of FIG.
5 is an enlarged cross-sectional view of the hinge portion of FIG.
6 is a cross-sectional view of a state in which the elevator simple chair of FIG. 1 is folded and accommodated in an elevator wall;
7 is a cross-sectional view showing a state in which the elevator simple chair of FIG. 6 is unfolded in a receiving position.

Hereinafter, with reference to the accompanying drawings showing an embodiment of the elevator simple chair according to the present invention will be described in more detail.

1 to 5, the elevator simplified chair according to the present invention is a seat portion 1 for allowing a user to sit, and the seat portion accommodated in the groove 2 formed in the wall 37 of the elevator and the unfolded use position. The hinge part 3 supporting to be rotatable therebetween, the upper end part is arranged to be movable in the bottom of the seat part 1, and the lower part is rotatably installed in the bottom of the groove 2 of the wall, and is supported in the unfolded state of the seat part. It includes a support (4).

The seat portion 1 is formed of a plate-like member, and the lower end portion of the seat portion is hinged between a receiving position folded and received perpendicularly to the groove 2 of the wall of the elevator and a use position unfolded perpendicularly to the wall of the elevator. It is rotatably installed by the branch part 3. Grooves 11 are formed in the bottom of the sheet portion 1, and slots 12 are formed in the longitudinal direction on both side walls of the grooves.

The support part 4 is provided with support members 41 and 42, which may be formed as, for example, rods, at the upper end and the lower end thereof, and both ends of the support member 41 provided at the upper end of the seat part 1. The sheet portion slides in a state in which the user can sit while moving horizontally from the lower end to the upper end of the slot 12, that is, in the horizontally extending seat portion. The lower support member 42 is rotatably installed at the hinge portion 43 provided at the bottom of the elevator.

As such, the hinge portion 3, which causes the seat portion 1 to be rotated from the vertical position to the horizontal position, faces the lower side of the seat portion 1, as shown in Figs. (2) is provided on both sides of the cylindrical housing 31 is fixed to the seat portion, the holder 32, the cam member 33, which is rotatably fitted to the holder in turn in the housing, the cam member A shaft portion 34 inserted through and engaged with the hole 331 formed at the center of the shaft, and the spring 35 is disposed concentrically outwardly and provided between the holder 32 and the cam member 33.

In addition, a stopper 36 is provided at the open end of the housing 31, which is coupled with the end of the shaft 34 and fixed to the bottom 21 of the groove 2 of the elevator. The stopper portion 36 has a square groove 361 is formed.

The cam member 33 has protrusions 321 formed at both sides of the outer surface thereof, and correspondingly, grooves 311 are formed at the inner surface of the housing 31 so that the cam member moves in the longitudinal direction within the housing. Possible but installed without rotation.

The cam member 33 has a groove 312 formed in the radial direction thereof, and both sides of the groove 312 are formed with an inclined surface 313 upwardly outward, and the protrusion 314 is formed in a wave shape. . Correspondingly, the head 341 of the shaft portion 34 has a protrusion 342 which is engaged with the groove 312 of the cam member 33 in the form of a wave, and the protrusions 342 are inclined surfaces 343 on both sides thereof. And a protrusion 354 having a square pillar shape is formed on the top surface of the head 341 to be coupled to the square groove 361 of the stopper 36.

Accordingly, the cam member 33 of the hinge portion 3 and the protrusions 314 and 342 of the shaft portion 34 are in contact with each other, as shown in FIG. 35 is in a compressed state, and when the seat portion is rotated to the use position, as shown in FIG. 5, the protrusion portion of the cam member 33 engaged with the protrusion portion 332 of the head 341 of the shaft portion 34 ( 332 is in the state that the floor and the valley are coupled to each other along the inclined surfaces of each other by the elastic force of the spring so that the seat 1 falls horizontally. That is, the seat portion 1 is in a state in which the projections of the cam member 33 and the shaft portion 34 of the hinge portion 3 is engaged with each other in the open state, while clicking the horizontal use position and the vertical receiving position Is rotated to.

One end of the spring 35 may be fixed to the holder 32 and the other end may be fixed to the cam member 33. In this case, in the vertical state in which the seat portion is accommodated in the groove of the wall of the elevator, the spring is torsionally compressed in FIG. 4, and in this state, when the user applies a slight force to the seat portion, the spring is horizontal as shown in FIG. 5 by the restoring force of the spring. May be used.

With reference to Figures 6 and 7, the use of a simple chair for an elevator according to the present invention will be described.

The simple chair is disposed perpendicularly to the groove 2 formed in the wall of the elevator and is kept in a housed state, wherein the support portion 4 is disposed at the lower end of the slot of the groove side of the seat portion. When the user lowers the seat portion 1, the hinge portion provided at the lower end of the seat portion becomes the state of FIG. 5 from the state of FIG. 4 while the seat portion is horizontally disposed.

At this time, while the seat portion is rotated horizontally in the vertical state, the support members 41 and 42 of the support portion 4 are rotated at the lower end of the slot 12 formed on the groove sidewall of the bottom surface of the seat portion, and both ends thereof are rotated. 7 is moved to the upper end of 1) to support the weight of the user sitting in the seat portion.

When the user stands up and sits on the seat to remove the load acting on the seat, the user applies a slight force to raise the seat, and as shown in FIG. 4, the vertices of the cam members and the protrusions of the shaft are in contact with each other. The spring in the hinge portion is compressed and placed in a groove formed in the wall of the elevator as shown in FIG.

The elevator simple chair according to the present invention is accommodated in a groove formed in the wall of the elevator so as not to interfere with a narrow internal space, and is disposed horizontally only during use, thereby improving space efficiency and stably supporting the seat by the support member. Is improved.

The present invention can be used for a simple chair for the elderly to be installed in the elevator.

1: sheet portion 2; home
3: hinge portion 4: support portion
11: home 12: slot
31: housing 32; holder
33: cam member 34: shaft portion
311,312: groove 313, 333: slope
314,321,332,334; Protrusion 341: Head
331: hall

Claims (6)

In an elevator simple chair having a seat part 1 provided by a user provided on a wall of an elevator and a support part 4 supporting a load of the seat part in a state where the seat part is unfolded,
The seat part 1 includes a hinge part 3 which supports to be rotatable between the position accommodated in the groove 2 formed in the wall of the elevator and the expanded use position.
Grooves 11 are formed in the bottom of the sheet portion 1, and slots 12 are formed in the longitudinal direction on both side walls of the grooves.
The support part 4 is provided with support members 41 and 42 at the upper end and the lower end thereof, and both ends of the support member 41 provided at the upper end are at the upper end of the slot 12 of the seat part 1. As an elevator simple chair, characterized in that configured to move horizontally in the unfolding seat portion. The method of claim 1,
The hinge portion 3 is provided on both sides of the groove 2 of the elevator wall opposite the lower side of the seat portion 1, and is connected to the housing 31, the holder 32 in the housing, and the holder in this order. Cam member 33 is rotatably fitted and coupled, the shaft portion 34 is inserted through the hole 331 formed in the center of the cam member and engaged with each other, the shaft portion is disposed concentrically outward and one end holder 32 Elevator simple chair, characterized in that it comprises a spring (35) fixed to the cam member 33 and the other end. The method of claim 2,
The housing 31 is fixed to the seat part, and a stopper 36 is provided at the open end of the housing, which stopper engages with the end of the shaft part 34 and the bottom part 21 of the groove 2 of the elevator. Elevator simple chair characterized in that fixed to). The method of claim 2,
Protruding portions 321 are formed at both sides of the cam member 33, and a groove 311 is formed at an inner side surface of the housing 31 to correspond to the cam member 33. Elevator simple chair characterized in that it is not rotated. The method of claim 4, wherein
The cam member 33 has a groove 312 formed in the radial direction thereof, and both sides of the groove 312 are formed with an inclined surface 313 upwardly outward so that the protrusion 314 is formed in a wave shape. Correspondingly, the head 341 of the shaft 34 has a protrusion 332 which is engaged with the groove 321 of the cam member 33 in the form of a wave, and the protrusion 332 has an inclined surface 333 on both sides thereof. It is formed of a), the upper surface of the head (341) is an elevator simple chair characterized in that the protrusion 334 of the square pillar shape is combined with the square groove (361) of the stopper (36). The method of claim 5,
When the seat portion 1 is in a vertically receiving position, the cam members 33 of the hinge portion 3 and the protrusions 314 and 332 of the shaft portion 34 are in contact with each other and the spring 35 is compressed. When the seat portion is rotated to the use position, the protrusion portion 332 of the cam member 33 engaged with the protrusion portion 332 of the head 341 of the shaft portion 34 is raised along the inclined surfaces of each other by the elastic force of the spring. Elevator simple chair, characterized in that the seat portion 1 is horizontally falling while the state and the bone is coupled to each other.

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