WO2020189922A1

WO2020189922A1 - Non-motorized hairdresser chair

Info

Publication number: WO2020189922A1
Application number: PCT/KR2020/002933
Authority: WO
Inventors: 강동백
Original assignee: 강동백
Priority date: 2019-03-15
Filing date: 2020-02-28
Publication date: 2020-09-24
Also published as: KR20190035630A; KR102062089B1

Abstract

The present invention relates to a hairdresser chair comprising: a load support (110); a seat frame (121); a backrest frame (122) connected to a rear end of the seat frame (121) to be rotatable; and load support rotary links (130) and (130') each having a side connected to the load support (110) to be rotatable and another side connected to the seat frame (121) to be rotatable. The seat frame (121) is moved upward and forward by rotation of the load support rotary links (130) and (130') in one direction and is moved downward and backward by rotation of the load support rotary links (130) and (130') in the opposite direction. When the seat frame (121) is moved downward and backward, the seat frame (121) is supported by the load support rotary links (130) and (130').

Description

Electric hairdressing chair

The present invention relates to a chair for hairdressing.

In general, chairs used in barber/beauty salons and skin salons can raise and lower the seat frame as necessary, while tasks such as washing the head by changing the angle of the back or leg support can be performed by the seated person in a comfortable position. A chair is being used to make it possible. Chairs that allow the elevating and lowering of the seat and changing the angle of the backrest and the legrest are generally electrically operated using a motor and a gear.

As a technology for solving the problem of such an electric hairdressing chair, the "non-electric hairdressing chair capable of raising and lowering the seat" according to Korean Patent Registration No. 10-1346559 (announcement date: January 02, 2014) is disclosed.

The technology according to the above Patent No. 10-1346559 is a technology that allows the legrest and backrest to be opened or folded manually even without a motor or hydraulic pneumatic cylinder, thereby reducing manufacturing cost compared to an electric hairdressing chair. .

However, the registered patent according to No. 10-1346559 above is a technology in which the seat (that is, the seat frame) is fixed and only the leg rest can be unfolded with the force to lay the upper body down, so only the back and leg rest can be unfolded, so its use and use are limited. There was a technical limitation that the seat could not be raised or lowered. Therefore, there was a case of using an electric motor or the like for raising and lowering the seat, but in this case, there was a disadvantage of increasing the cost.

The invention developed in order to solve this problem is disclosed in Korean Patent Application Publication No. 10-2018-0022736, published date: 2018.03.06.).

The "non-electric hairdressing chair capable of raising and lowering the seat" according to the above Patent Publication No. 10-2018-0022736 is a very excellent invention capable of raising and lowering the seat by non-electricity.

However, the "non-electric hairdressing chair capable of raising and lowering the seat" according to the above Patent Publication No. 10-2018-0022736 has a disadvantage in that it does not satisfy various needs in a hairdressing salon because the elevation of the seat is low.

The present invention was created to solve the problems of the prior art as described above, and the object of the non-electric hairdressing chair according to the present invention is to allow the seat frame to be elevated only with the force of tilting the upper body backward without using a motor, but the link It is not a method of pushing up by rollers, but by using the first rotation axis at the top of the load-bearing rotation link as a rotation axis, so that the seat frame can be raised and lowered by swing movement [swing movement], so that it can be raised and lowered with a small force. It aims to make it easy to do.

In other words, the present invention adopts a method of supporting the seat frame in a rotatable manner by a load-bearing rotation link supporting the user's body weight as it is, so that the seat frame can be easily raised and lowered even with a small force. It has the purpose of making it easy and convenient to operate the seat elevating and lowering.

In addition, the present invention allows the seat frame to be raised and lowered by swing motion [swing motion] by using the first rotation axis of the upper end of the load-bearing rotation link as the rotation axis, thereby increasing the height of the seat frame. It is intended to provide a non-electric hairdressing chair suitable for making it possible to increase the height of elevating and descending.

The present invention for achieving the above object is a non-motorized hairdressing chair, a load support standing upright on the floor, a seat frame for installing a seat on which a user is seated, and rotatably connected to the rear end of the seat frame And a load-bearing rotation link that is rotatably connected to the backrest frame and one side is rotatably connected to the load support and the other side is rotatably connected to the left and right sides of the seat frame, and the load-supporting rotation link has one side as a rotation axis. By rotating the seat frame upward and forward, the load-bearing rotation link rotates in the other direction with one side as a rotation axis, thereby moving the seat frame downward and backward, and the rotation of the load-supporting rotation link in the other direction When the seat frame is moved downward and rearward, the seat frame is supported by the load-bearing rotation link.

The non-electric hairdressing chair according to the present invention having the above configuration has the following effects.

Basically, without using a motor, it has the effect of raising and lowering the seat frame with only the force of tilting the upper body back, and furthermore, it is not a method of pushing up by links and rollers as in the prior art, but 1 There is an effect that the seat frame can be lifted and lowered by swing motion [swing motion] by using the rotary shaft as the rotary shaft, so that the lift can be easily carried out with a small force.

In other words, by adopting a method of supporting the seat frame so that it can be rotated by a load-bearing rotation link that supports the user's body weight as it is, it is possible to easily move the seat frame up and down even with a small force. In addition, there is an effect that can conveniently and easily operate the seat elevating and lowering.

In addition, the seat frame can be raised to a higher height by making the seat frame liftable by swinging the seat frame [swing motion] by using the first rotary shaft at the top of the load-bearing rotation link as the rotary shaft. Has the effect of increasing the height.

1 is a configuration diagram of a non-electric hairdressing chair according to an embodiment of the present invention.

2 is an operation diagram of the seat frame 121 ascending in the non-electric hairdressing chair according to an embodiment of the present invention.

3 is a configuration diagram of a non-electric hairdressing chair according to another embodiment of the present invention.

4 is an operation diagram of the seat frame 121 ascending in the non-electric hairdressing chair according to an embodiment of the present invention shown in FIG. 3.

FIG. 5 is a plan view of the main parts of the non-electric hairdressing chair according to an embodiment of the present invention shown in FIG. 3.

6 is a front view of the main parts of the non-electric hairdressing chair according to an embodiment of the present invention shown in FIG.

7 is a rear configuration diagram of a main part for initiating a connection relationship in which the backrest frame 122 is slidably connected to the fixing member 115 in the non-motorized hairdressing chair according to an embodiment of the present invention.

FIG. 8 is a side view of a main part for initiating a connection relationship in which the backrest frame 122 is slidably connected to the fixing member 115 in the non-motorized hairdressing chair according to an embodiment of the present invention.

The following will be described in detail with reference to the accompanying drawings a preferred embodiment of the present invention of the electric hairdressing chair.

As shown in Figs. 1 to 8, the non-electric hairdressing chair according to an embodiment of the present invention is provided with a load support 110 standing upright on the floor, and a seat (not shown as a cushion sheet) for the user to sit on. A seat frame 121 and a cushion back (not shown) that leans against the user's back are mounted, and a backrest frame 122 rotatably connected to the rear end of the seat frame 121, and one side ( For example, the upper side) is rotatably connected to the upper side of the load support 110 and the other side (eg, lower side) is configured to include a load-bearing rotation link (130, 130') rotatably connected to the left and right sides of the seat frame 121 It is characterized by being.

And, the load-bearing rotation link (130, 130') rotates in one direction (for example, counterclockwise based on the drawing) with one side as a rotation axis, thereby moving the seat frame 121 upward and forward (translational movement). And, the load-supporting rotation link (130, 130') rotates in the other direction (clockwise direction based on the drawing) with one side as a rotation axis to move the seat frame 121 downward and backward (translational movement), and the load When the seat frame 121 is moved downward and backward due to the rotation of the support pivot links 130 and 130' in the other direction, the seat frame 121 is supported by the load support pivot links 130 and 130'.

According to this, the seat frame 121 is rotatably installed at the lower end of the load-bearing rotation links 130 and 130' installed to be rotatable on the load support 110, so that the load-supporting rotation links 130, 130' After receiving and supporting the load completely, a slight external force (e.g., an external force such as tilting the back frame or slightly applying a force backward to the seat frame 121) acts on the load-supporting rotation links 130, 130'. In this case, the load-bearing rotational links 130,130', which were vertically supporting the seat frame 121, are eccentric in the rotational shaft (the first rotational shaft 131 below), and at the same time, the load-bearing rotational links 130,130'in one direction. In this case, the other side (the second rotation shaft 132 below) of the load-bearing rotation links 130 and 130' pushes up the seat frame 121 in the forward and upward diagonal directions.

Therefore, even if only a slight force is applied, the seat frame 121 can be easily raised.

In other words, it is possible to raise and lower the seat frame by swinging the seat frame 121 by swinging the seat frame 121 by using the rotation axis of the upper end of the load-bearing rotation link (the first rotation axis 131 below) as an axis. Elevating and descending can be done with ease.

In addition, the seat frame 121 can be raised and lowered by swinging the seat frame 121 by swinging the seat frame 121 using the upper end of the load-bearing rotary link (first rotary shaft 131 below) as an axis. ), it is possible to increase the width of the displacement of the height.

In addition, in a state in which the backrest frame 121 is erected and the seat frame 121 is lowered, the load-bearing

rotation links

130 and 130 ′ are vertically supporting the seat frame 121.

The non-electric hairdressing chair according to an embodiment of the present invention is configured to further include a fixing member 115 that is upright on the floor or installed on the load support 110, and the backrest frame 122 is the fixing member It is characterized in that it is connected so as to be slidable by sliding connection members (171,172) to 115.

The fixing member 115 may be configured separately or integrally with the load support 110, and in any case belong to the technical scope of the present invention, of course.

7 and 8, the

sliding connection members

171 and 172 have a sliding rail 171 installed on the backrest frame 122, one side is fastened to the fixing member 115, and the other side is the It is inserted into the sliding rail 171 and characterized in that it is configured to include a linear motion element 172 that slides along the sliding rail 171.

The non-electric hairdressing chair according to an embodiment of the present invention includes seat supports 140 and 140 ′ fastened to the seat frame 121 so as to protrude from the seat frame 121 to the left and right, and the load-supporting

rotation links

130 and 130 ′. A first rotation shaft 131 built on the upper side of the load support rotation link (130,130') and the load support 110 so that the upper side of) is rotatable to the load support 110, and the load support rotation link 130,130 The lower side of') is configured to further include a lower side of the load-bearing rotation link (130,130') and a second rotation shaft (132) installed on the seat support (140,140') so that the lower side of the sheet support (140,140') is rotatable. It features.

The load support 110 is preferably formed in the shape of a pair of opposed plates. Since the backrest frame 122 and the seat frame 121 can be provided between the pair of plates, space utilization is improved.

In some embodiments, a bearing (br) installed on the load support 110 is further included so as to be installed on the first rotation shaft 131. According to this, there is an advantage that the swing motion can be made more smoothly and easily.

For example, a first rotation shaft 131 is installed on the inner ring of the bearing (br) installed on the load support 110, and one side (for example, the upper end of the load supporting

rotation link

130, 130 ′) is installed on the first rotation shaft 131 ) Will be fastened and configured.

The load-bearing

rotation links

130 and 130 ′ are formed in a bar shape as shown in FIGS. 1 to 6.

The non-electric hairdressing chair according to an embodiment of the present invention includes a leg rest 123 that is rotatably installed at the front end of the seat frame 121, and one end (for example, a rear end) is rotatable to the backrest frame 122 And the other end (for example, the front end) is rotatably connected to the legrest 123, and when the backrest frame 122 is tilted rearward by an external force acting on the backrest frame 122, the backrest frame 122 is interlocked with it. When the leg rest 123 is pushed forward and unfolded, and the leg rest 123 is rotated and folded by an external force acting on the leg rest 123, the back frame 122 is rotated in the other direction. To erect [at this time, when the backrest frame 122 is erected, the seat frame 121 is lowered.] The operating link 152 is further included and configured.

According to this, there is an advantage in that the leg rest 123 can be opened and folded with a simple part.

The non-electric hairdressing chair according to an embodiment of the present invention is located between the backrest frame 122 and the operating link 152, the rear end is fixedly connected to the backrest frame 122, and the front end is the operating link 152 ), a connection bar 151 that is rotatably connected to one end (for example, the rear end) is further included, and one side (rear end) of the operation link 152 is rotatably connected to the connection bar 151 so that the backrest It is characterized in that the frame 122 and the leg rest 123 are operated to interwork with each other.

In the non-electric hairdressing chair according to an embodiment of the present invention, the upper end is rotatably connected to the operation link 152 and the lower end is installed to be rotatable to a fixture (not shown), so that the seat frame 121 is When descending, it is compressed to have a repulsive force [resilient force], and when the seat frame 121 starts to rise due to the one-way rotation of the load-bearing rotation links 130 and 130', the operating link 152 is moved upward by its own repulsive force. It is characterized in that the seat frame 121 is raised smoothly by pushing up and at the same time, a buffer return member 160 is further included so that the leg rest 123 is more easily opened.

On the other hand, the buffer return member 160 may act as a repulsive force on the seat frame 121 when the seat frame 121 descends so that the seat frame slowly descends, thereby providing a sense of stability to the user.

The buffer return member 160 may be implemented by, for example, a spring, a spring loaded with a spring, a gas spring, a hydraulic or pneumatic shock absorber, and the like.

In the illustrated embodiment, a gas spring is exemplarily implemented as the buffer return member 160, and the gas spring itself, as known before the filing of the present invention, is sealed by injecting nitrogen gas into the gas cylinder. As the pressure inside the gas cylinder changes according to the reciprocating motion of the piston rod, it acts as a buffer and pushes the seat frame 121 by the repulsive force.

The fixing body (not shown) on which the lower end of the buffer return member 160 is installed may be a separate configuration or may be configured as a load support 110, or may be installed and fixed to the load support 110 In any case, of course, it belongs to the technical scope of the present invention.

And, the non-electric hairdressing chair according to the present invention, depending on the embodiment, may be installed on the load support 110 such that the load

support rotation links

130 and 130 ′ are located above the seat frame 121, or the seat It may be installed on the load support 110 to be located on the upper side of the frame 121, which will be described in detail.

First, as shown in FIGS. 1 and 2, in the non-motorized hairdressing chair according to an embodiment of the present invention, the first rotation shaft 131 is the load support 110 under the seat frame 121. ), and the second rotation shaft 132 is built under the first rotation shaft 131, so that the load-bearing rotation link 130 is provided with the seat support 140 under the seat frame 121 It is characterized in that to support the seat frame 121 through.

In the non-electric hairdressing chair according to the embodiment disclosed in FIGS. 1 and 2, the other end (lower end) of the load-supporting rotation link 130 under the seat frame 121 is through the seat support 140, and the seat frame 121 Is supported, and by supporting the seat frame 121 to be rotatable under the seat frame 121 in this way, the first rotation shaft 131 of the load-supporting rotation link 130 is used as the rotation axis, and the seat frame 121 is The seat frame can be raised and lowered by swing movement [swing movement].

3 and 4, in the non-electric hairdressing chair according to another embodiment of the present invention, the first rotation shaft 131 is built on the load support 110 from the top of the seat frame 121 The second rotation shaft 132 is built under the first rotation shaft 131, so that the load-bearing rotation link 130 ′ is formed on the seat frame 121 through the seat support 140 ′. It is characterized in that it supports the seat frame 121.

In this embodiment, the seat support 140 ′ is preferably formed downward as long as the length of the load-supporting rotation link 130 ′.

In the non-electric hairdressing chair according to the embodiment disclosed in FIGS. 3 and 4, the other end (lower end) of the load-supporting rotation link 130 ′ on the seat frame 121 is through the seat support 140 ′. ) Is supported, and by supporting the seat frame 121 to be rotatable above the seat frame 121, the first rotation shaft 131 of the load-supporting rotation link 130 ′ is used as a rotation axis. ), the seat frame 121 can be raised and lowered by a swing motion [swing motion].

On the other hand, in the case of the non-electric hairdressing chair according to the embodiment disclosed in FIGS. 1 and 2, the load-bearing rotation link 130 is configured to be charged to the lower side of the seat frame 121 and installed above the seat frame 121 Therefore, compared to the embodiment disclosed in FIGS. 3 and 4, there is an advantage in that the space utilization of the side is higher, and the user's chair use environment is improved since the user can sit on the left and right sides.

Meanwhile, the dashed-dotted line of FIGS. 1 to 4 schematically represents the side portion Sa of the chair for hairdressing.

The following describes the operation of the non-electric hairdressing chair according to an embodiment of the present invention having the above configuration.

Initially, the load-bearing rotation links (130, 130') vertically support the seat frame (121), so that the user's load loaded on the seat frame (121) is fully received by the load-bearing rotation links (130, 130'), and the seat frame (121) is It will be in a stationary state.

Now, when the user sits on the seat (that is, the seat frame 121) and lie down while pushing the backrest frame 122 back for shampoo, or if a slight force is applied to the seat frame 121 to the rear, the load-bearing rotation links 130,130' ) Increases the seat frame 121 as the swing movement (swing movement) is performed in a counterclockwise direction around the first rotation axis.

At this time, the backrest frame 122 rotates in a counterclockwise direction while sliding along the fixing member 115, and as the backrest frame 122 rotates, the operation link 152 is pushed forward.

When the operation link 152 moves forward, the cushioning return member 160 that was compressed is restored and the force to push the operation link 152 forward and upward is accelerated, so that the seat frame 121 rises more smoothly. do.

As the swing motion of the load-bearing rotation links 130 and 130' and the operation of the operation link 152 and the buffer return member 160 are simultaneously performed, the seat frame 121 is raised and the leg rest 123 is unfolded. do.

Next, an operation of erecting the backrest frame 122 lying down and lowering the raised seat frame 121 will be described.

The operation of erecting the backrest frame 122 and lowering the seat frame 121 is an operation opposite to the operation of raising the seat frame 121 described above.

When a force is applied to the rear of the leg rest (123) or slightly forward to the seat frame (121) (that is, when the initial rotational force is applied), the load-supporting rotational links (130,130') The seat frame 121 descends as the swing movement (swing movement) is performed in a clockwise direction around the first rotation axis.

When a force acts on the leg rest 123 to the rear, the operation link 152 moves backward and the back frame 122 is erected.

As described above, while the swing motion of the load-bearing rotation links 130 and 130' and the operation of the operation link 152 are simultaneously performed, the seat frame 121 descends and the backrest frame 122 is erected.

As described above, preferred embodiments according to the present invention have been examined, and it is common knowledge in the relevant technical field that the present invention can be implemented in other specific forms without changing the technical spirit or essential features other than the above-described embodiments. It is self-evident to those who have. Therefore, it should be understood that the above-described embodiments are illustrative rather than restrictive.

The scope of the present invention is indicated by the claims to be described later rather than the detailed description, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention.

Claims

A load support 110 standing upright on the floor,

A seat frame 121 for installing a seat on which a user is seated,

A backrest frame 122 rotatably connected to a rear end of the seat frame 121,

One side is rotatably connected to the load support 110 and the other side is configured to include a load-bearing rotation link (130, 130') rotatably connected to the left and right sides of the seat frame (121),

The load-bearing rotation links 130 and 130' rotate in one direction with one side as a rotation axis, thereby moving the seat frame 121 upward and forward,

The load-bearing rotation links 130 and 130 ′ move the seat frame 121 downward and backward by rotating in the other direction with one side as a rotation axis,

When the seat frame 121 is moved downward and backward by the rotation of the load-bearing rotation links 130 and 130 ′, the seat frame 121 is supported by the load-supporting rotation links 130 and 130 ′. Non-electric hairdressing chair, characterized in that.
The method according to claim 1,

The fixing member 115 is further included and configured,

The backrest frame 122 is a non-motorized hairdressing chair, characterized in that it is connected to the fixed member 115 so as to be slidable by sliding connection members (171,172).
The method according to claim 1,

Seat supports 140 and 140 ′ fastened to the seat frame 121 to protrude from the seat frame 121 to the left and right,

A first rotation shaft 131 built on one side of the load support rotation link 130 and 130 ′ and the load support 110 so that one side of the load support rotation link 130 and 130 ′ is rotatable to the load support 110 and,

A second rotation shaft built on the other side of the load-bearing rotation link (130,130') and the sheet support (140,140') so that the other side of the load-bearing rotation link (130,130') is rotatable to the seat support (140,140') 132) non-electric hairdressing chair, characterized in that the configuration is further included.
The method of claim 3,

The first rotation shaft 131 is built on the load support 110 under the seat frame 121,

The second rotation shaft 132 is built under the first rotation shaft 131,

The load-bearing rotation link (130, 130') is a non-electric hairdressing chair, characterized in that supporting the seat frame (121) through the seat support (140, 140') under the seat frame (121).
The method of claim 3,

The first rotation shaft 131 is built on the load support 110 from the top of the seat frame 121, and the second rotation shaft 132 is built under the first rotation shaft 131,

The load-bearing rotation link (130, 130') is a non-electric hairdressing chair, characterized in that to support the seat frame (121) through the seat support (140, 140') on the seat frame (121).
The method according to claim 2,

A leg rest 123 that is rotatably installed at the front end of the seat frame 121,

When one end is rotatably connected to the backrest frame 122, the other end is rotatably connected to the legrest 123, and the backrest frame 122 is tilted rearward, the legrest 123 is forward In the case where the leg restraint 123 is rotated and folded, the operation link 152 for establishing the backrest frame 122 by rotating the backrest frame 122 in the other direction is further included. Electric hairdressing chair.
The method of claim 6,

Located between the backrest frame 122 and the operating link 152,

The rear end is fixedly connected to the backrest frame 122, and the front end is configured to further include a connection bar 151 connected so as to be rotatable to one end of the operation link 152,

One side of the operation link (152) is rotatably connected to the connection bar (151) so as to operate to interlock the back frame (122) and the leg rest (123).
The method of claim 6,

The upper end is rotatably connected to the operation link 152 and the lower end is installed on the fixture, so that when the seat frame 121 descends, it is compressed to have a repulsive force, and one direction of the load-supporting rotational links 130,130' When the seat frame 121 starts to rise by rotation, the operating link 152 is pushed upward by its own repulsive force so that the seat frame 121 is smoothly raised and the legrest 123 is smoothly spread out. A non-motorized hairdressing chair, characterized in that the cushioning return member 160 is further included.