WO2022015095A1

WO2022015095A1 - Reclining chair

Info

Publication number: WO2022015095A1
Application number: PCT/KR2021/009157
Authority: WO
Inventors: 공덕현; 김강민; 유명진
Original assignee: 주식회사 바디프랜드
Priority date: 2020-07-17
Filing date: 2021-07-16
Publication date: 2022-01-20
Also published as: CN216059872U; KR20220113317A

Abstract

The present invention relates to a reclining chair in which a backrest portion and a seat portion rotate in linkage with each other such that a hip angle can be simultaneously adjusted when a back angle is adjusted, and thus, a gap may not be generated between armrest portions provided on front portions of both sides of the backrest portion and the seat portion and a leg position can be raised to improve comfortableness. The reclining chair according to the present invention may comprise: a main body fixed on the bottom surface; a rotating member which is installed on the upper portion of the main body to be rotatable about a first rotary shaft that is parallel to ground; a backrest portion which is configured to support the back portion of the user and has the lower end portion coupled to the rotating member and rotating along with the rotating member; a rotating seat portion which is configured to support the hip and thighs of the user, and has the rear end portion connected to the rotating member via a second rotary shaft to be relatively rotatable, so as to rotate in the vertical direction according to the rotation of the rotating member; and a driving unit providing power to rotate the rotating member.

Description

reclining chair

The present invention relates to a reclining chair capable of adjusting the angle of the back, and more particularly, a reclining chair in which the angle of the buttocks can be adjusted at the same time when the angle of the back is adjusted by allowing the backrest and the seat portion to rotate in conjunction with each other. is about

In general, according to changes in the social environment, modern people spend most of the day sitting in a chair, and the chair is developing from a simple functional household item to a health product with a new meaning.

As such, the reclining chair that provides a comfortable posture to the user is also actively developing a chair that maximizes comfort and comfort through the integration of ergonomic considerations and IT (Information Technology) from a chair with a simple reclining function.

Such a conventional reclining chair includes a non-electric type using only a kinematic structure, and an electric type using a motor and a drive control unit. This electric reclining chair provides the core function of providing comfort by independently appropriately adjusting the back and seat parts through motors and controllers connected to the back board and the seat board, respectively.

However, since the conventional reclining chair is configured so that only the angle of the backrest supporting the back can be adjusted, the seat portion supporting the buttocks and thighs is fixed as it is when the angle of the backrest is adjusted, the backrest as shown in FIG. A gap (G) is generated between the lower end of the armrest part (3) connected to the part (1) and the seat part (2), and safety accidents such as being caught in this gap (G) often occur. And there is a problem that impairs the appearance beauty.

[Prior art literature]

[Patent Literature]

Republic of Korea Patent Publication No. 10-2017-0069147 (published on June 20, 2017)

Republic of Korea Registered Utility Model No. 20-0196750 (Registered on July 7, 2000)

The present invention is to solve the above problem, and an object of the present invention is to provide a simple configuration in which a backrest portion and a seat portion rotate in association with each other so that when the back angle is adjusted, the hip angle can be adjusted at the same time, so that both sides of the backrest portion An object of the present invention is to provide a reclining chair that does not cause a gap between the armrest part and the seat part provided in the front, and can improve the comfort by raising the leg position compared to the existing one.

Another object of the present invention is to provide a reclining chair capable of performing a massage function together with a reclining function.

Reclining chair according to the present invention for achieving the above object, the body portion fixed to the floor; a rotating member rotatably installed on the upper portion of the main body about a first rotating shaft horizontal to the ground; a backrest part configured to support the user's back, the lower end being coupled to the rotating member and rotating together with the rotating member; a rotating seat portion configured to support the user's buttocks and thighs, the rear end of which is relatively rotatably connected to the rotating member via a second rotating shaft, and rotates up and down by rotation of the rotating member; and a driving unit that provides power to rotate the rotating member.

A reclining chair according to an aspect of the present invention, a lower end is rotatably connected to the main body portion and an upper end is rotatably connected to the front of the rotating seat portion to rotatably support the front portion of the rotating seat portion with respect to the main body portion Links may be further included.

The reclining chair according to another aspect of the present invention may further include a guide unit for supporting the rotating seat portion with respect to the main body while guiding the rotational movement of the rotating seat portion with respect to the main body portion.

The guide unit includes a guide hole formed in a curved shape while extending in the front-rear direction on the side surface of the rotating sheet part, a guide link whose lower end is rotatably connected to the side surface of the main body part through a hinge pin, and an upper end of the guide link. It may include a guide pin that is installed to be inserted into the guide hole and slides along the guide hole when the rotating seat part rotates.

Alternatively, the guide unit includes a guide hole extending obliquely in the vertical direction on the side surface of the body part, and a guide pin installed to be inserted into the guide hole on one side of the rotation sheet part and sliding along the guide hole when the rotation sheet part rotates. can do.

A plurality of connecting brackets are formed to extend rearwardly at the rear end of the rotating seat portion, and a plurality of connecting pieces corresponding to the connecting brackets are formed to protrude upwardly on the rotating member, so that the second rotating shaft is formed through the connecting bracket and the connecting piece. By being rotatably connected, the rotating member and the rotating seat portion may be rotatably connected.

The rotation angle of the rotating seat portion is smaller than the rotation angle of the rotating member.

A reclining chair according to another aspect of the present invention includes a lifter bracket in which both lower ends are rotatably installed around a lifter hinge axis at the front end of the rotating seat unit, and is coupled to both upper ends of the lifter bracket to rotate together with the lifter bracket a calf lifter for lifting the user's calf, including a lifter frame and a slide plate that is unfolded or folded while sliding with respect to the lifter frame; and a lifter actuator connected to the lifter bracket and configured to rotate the lifter bracket while expanding and contracting in the front and rear directions of the chair. A plurality of link bars that transmit force to push or pull the slide plate against It may further include; a lifter driving unit including a rod and bearing for applying a force in the direction.

Curved lifter guide holes are formed on both sides of the lifter frame along the rotational trajectory, and lifter guide pins are installed on the side of the rotating seat part to guide the rotational movement of the lifter frame while being inserted into the lifter guide hole. .

According to the present invention, when the angle of the backrest is adjusted, the angle of the rotating seat part supporting the hip and thigh is simultaneously adjusted in conjunction with the rotational movement of the rotating member, so there is no gap between the armrests provided in front of both sides of the backrest and the rotating seat part. It has the effect of improving the comfort by raising the leg position compared to the existing one.

In addition, when the angle of rotation of the backrest and the rotating seat is adjusted, the calf lifter that supports the calf rotates at the same time to lift and support the user's calf, so you can take a rest in a more comfortable posture.

1 is a view showing an operation example of a conventional reclining chair.

Figure 2 is a side view of the reclining chair according to an embodiment of the present invention.

Figure 3 is a side view showing an operation example of the reclining chair shown in Figure 2;

Figure 4 is a side view of the reclining chair shown in Figure 2;

Figure 5 is a perspective view showing a part of the reclining chair shown in Figure 2;

Figure 6 is a perspective view showing another part of the reclining chair shown in Figure 2;

7 is a perspective view showing an embodiment of the rotating seat portion of the reclining chair shown in FIG.

8A to 8C are side views illustrating an operation example of the reclining chair shown in FIG. 2 .

9 is a perspective view showing another part of the reclining chair shown in FIG.

10A and 10B are perspective views illustrating an operation example of the component shown in FIG. 9 .

11 is a perspective view of a reclining chair according to another embodiment of the present invention.

12A and 12B are side views illustrating an operation example of the reclining chair shown in FIG. 11 .

a body portion fixed to the floor; a rotating member rotatably installed on the upper portion of the main body about a first rotational axis that is horizontal to the ground; a backrest part configured to support the user's back, the lower end being coupled to the rotating member and rotating together with the rotating member; a rotating seat portion configured to support the user's buttocks and thighs, the rear end of which is relatively rotatably connected to the rotating member via a second rotating shaft and rotates up and down by rotation of the rotating member; And, a driving unit for providing power to rotate the rotating member; Reclining chair comprising a.

The configuration shown in the embodiments and drawings described in this specification is only a preferred example of the disclosed invention, and there may be various modifications that can replace the embodiments and drawings of the present specification at the time of filing of the present application.

Hereinafter, with reference to the accompanying drawings, the yarn manufactured by the reclining chair according to the present invention will be described in detail according to the embodiments described below.

2 to 7, the reclining chair according to an embodiment of the present invention, the body portion 100 fixed to the floor surface, the first rotational shaft 131 horizontal to the upper portion of the main body 100, the center Rotating member 130 installed rotatably in the vertical direction with a lower end coupled to the rotating member 130 to rotate with the rotating member 130, the backrest 110, the rear end is connected to the rotating member relative to the rotation and a driving unit providing power for rotating the rotating seat unit 120 and rotating the rotating member 130 in conjunction with the rotating member 130 .

The main body 100 is a steel structure capable of supporting the entire reclining chair on the floor surface, and a support plate 101 placed on the floor surface, and a post 102 extending upwardly in the center of the support plate 101, the post It may include a base frame 103 installed on the upper end of the (102).

The backrest 110 is designed to support the user's back, and is installed to extend in the vertical direction to support the user's back, and is approximately 'L' shaped at the lower end of the back frame 111 . It is formed of and includes a connection frame 112 connected to the rotating member (130). The backrest frame 111 is installed in a state where the initial installation angle is inclined at a certain angle (for example, about 110°) with respect to the ground. The backrest frame 111 is covered with an auxiliary support material made of a resin material such as plastic to comfortably support the user's back, and an interior material such as urethane foam, sponge, or foamed styrol on it is raised by polyester. ) may be covered with an exterior cover made of tricot, synthetic leather or natural leather.

Also, a headrest 116 and an armrest 115 capable of supporting the user's head and arms may be connected to the upper and lower portions of the backrest 110, respectively.

In order for the reclining chair to perform a massage function, a massage module configured in a well-known massage chair inside the backrest 110, a rail structure for vertical movement of the massage module, a transport device, etc. are configured, so that the massage module is An airbag capable of massaging shoulders, back, and waist while moving up and down, or expanding and contracting through air supply and discharge, to apply acupressure to each part of the body may be provided.

The rotating seat unit 120 has its rear end rotatably connected to the rotating member 130 via the second rotating shaft 120a, and is interlocked with the rotating member 130 to rotate vertically with respect to the base frame 103. . The rotating seat unit 120 extends rearwardly to the rear end of the seat frame 121 having a rectangular frame shape so as to support the user's buttocks and thighs, and the seat frame 121 is connected to the rotating member 130 . It may include a connection bracket 123 that is. The connecting bracket 123 has a bar shape that extends rearwardly to the rear end of the seat frame 121 and slightly inclined downward, and the rear end of the connecting bracket 123 has a shaft for connecting the second rotating shaft 120a. The connection hole 123a is formed to pass through. On both sides of the seat frame 121 , side plates 122 in the form of flat plates may be formed to face both sides of the base frame 103 .

The rotating seat unit 120 may be installed substantially parallel to the ground in an initial state where the angle adjustment is not made, but as in this embodiment, a predetermined angle (for example, approximately 10°) slightly upward with respect to the ground. degree) can be installed at an angle.

Two support links 125 for supporting the front portion of the rotating seat unit 120 are connected to the side plate 122 of the rotating seat unit 120 when the rotating seat unit 120 rotates together with the rotating member 130 . do. Each of the support links 125 has a lower end rotatably connected to both sides of the base frame 103 through a hinge pin 125a and an upper end rotates through a hinge pin 125b on the front side of the side plate 122 By supporting the front end of the rotating seat unit 120 against the base frame 103 when the rear end of the rotating sheet unit 120 receives rotational force from the rotating member 130 and rotates upward, the rotating sheet unit It gives the effect of providing an auxiliary rotational force even in the front of (120).

In addition, a guide for supporting the rotating seat unit 120 with respect to the base frame 103 while guiding the rotational movement of the rotating seat unit 120 with respect to the base frame 103 between the rotating seat unit 120 and the base frame 103 . A unit may be installed. The guide unit functions to prevent a phenomenon in which the rotating seat unit 120 is unintentionally lowered by the user's weight when the backrest unit 110 is tilted backward.

In this embodiment, the guide unit has a guide hole 126 formed in a curved shape while extending in the front-rear direction to the side plate 122 of the rotating seat unit 120, and a lower end of the hinge pin 125a on the side surface of the base frame 103. ) is installed to be inserted into the guide hole 126 at the upper end of the guide link 127 and the guide link 127, which are rotatably connected through the medium, and the guide hole 126 when the rotating seat unit 120 rotates. It may include a guide pin 128 sliding along. The hinge pin 125a connecting the guide link 127 to the base frame 103 may be the same as the hinge pin 125a connecting the lower end of the support link 125 to both sides of the base frame 103 . That is, the lower end of the guide link 127 and the lower end of the support link 125 may be rotatably connected to the side of the base frame 103 via the same hinge pin 125a.

The rotating member 130 may be formed of a rectangular frame or plate, and is rotatably connected to the rear end of both sides of the base frame 103 via the first rotation shaft 131 having both ends horizontal to the ground. and rotates up and down about the first rotational shaft 131 with respect to the base frame 103 . In addition, in the rotating member 130, the backrest connection hole to which the lower end of the connection frame 112 of the backrest 110 is inserted and connected is formed to penetrate vertically, and the two connecting pieces 133 at both ends of the upper surface protrude upward. The second rotation shaft 120a is inserted in a state in which the hole of the connection piece 133 and the shaft connection hole 123a of the connection bracket 123 of the rotation sheet part 120 are aligned, thereby rotating with the rotation member 130. The seat portion 120 is connected to be relatively rotatable about the second rotation shaft 120a.

Therefore, when the rotating member 130 is rotated about the first rotating shaft 131 by the driving unit, the backrest 110 rotates in the vertical direction together with the rotating member 130 and at the same time the rotating seat unit 120 The angle is adjusted while rotating in the vertical direction around the second rotation shaft 120a of FIG. At this time, the rotational movement of the rotating seat unit 120 is guided by the guide hole 126 and the guide link 127 constituting the guide unit, and the rotation angle of the rotating seat unit 120 is determined by the rotation of the rotating member 130 . smaller than the angle.

The driving unit for providing the rotational force to the rotating member 130 may be composed of various known linear motion devices. In this embodiment, it is composed of an actuator 135 having an operating rod 136 that expands and contracts in the front-rear direction. The actuator 135 may be a linear motion device having a screw shaft that generates a linear motion of the actuating rod 136 while rotating by a motor, a linear motor device, or a pneumatic or hydraulic cylinder. The actuator 135 is installed on the base frame 103 , and the end of the operation rod 136 is rotatably connected to the rod connection piece 134 formed under the rotating member 130 . Therefore, as shown in FIGS. 8A to 8C , when the operation rod 136 is contracted and moved forward, the rotating member 130 rotates downward around the first rotational shaft 131 so that the backrest 110 is a chair. When laid down on the rear of the, the operation rod 136 is extended and moved to the rear, the rotating member 130 rotates upward to return the backrest 110 to the initial standing state.

Meanwhile, the reclining chair may further include a calf lifter that lifts the user's calf at the front end of the rotating seat unit 120 , and a lifter driving unit that provides rotational force to the calf lifter.

5 and 9 to 10B, the lower end of the calf lifter is a lifter bracket that is rotatably installed around the lifter hinge shaft 141a at the front end of the side plate 122 of the rotating seat unit 120. (141), a lifter frame 142 coupled to both upper ends of the lifter bracket 141 and rotating together with the lifter bracket 141, and a slide plate 143 that is unfolded or folded while sliding with respect to the lifter frame 142 ) is included. The slide plate 143 slides and spreads by the lifter rotation unit when the lifter frame 142 rotates upward (forward) to support the user's calves and feet, and the lifter frame 142 moves downward (toward the rear). ) When rotating, it slides and folds by the lifter rotation unit.

Curved lifter guide holes 142a are formed on both sides of the lifter frame 142 along the rotational trajectory, and the lifter guide holes 142a are inserted into the side plate 122 of the rotating seat 120 while being inserted into the lifter. A lifter guide pin 142b for guiding the rotational movement of the frame 142 is installed.

In addition, rail portions 142c for guiding both sides of the slide plate 143 are formed on both sides of the lifter frame 142 .

The lifter driving unit is installed on the base frame 103 and connected to the lifter bracket 141 of the calf lifter. The lifter actuator includes a lifter operation rod 145a that rotates the lifter bracket 141 while expanding and contracting in the front-rear direction of the chair. (145), a plurality of links that are rotatably connected to the middle portion of the lifter frame 142 and the front end of the slide plate 143 to transmit force to push or pull the slide plate 143 with respect to the lifter frame 142 The bar 146 and one end are connected to the front end of the base frame 103 and the other end is connected to the link pin 147 connecting the link bar 146 to the link pin according to the rotation of the lifter frame 142. It includes a rod and bearing 148 for applying a force in the front-rear direction of the lifter frame 142 to 147).

Therefore, when the lifter operation rod 145a of the lifter actuator 145 is contracted, the lifter bracket 141 rotates backward about the lifter hinge shaft 141a, and accordingly, the lifter frame 142 rotates forward and unfolds. do. At this time, since the rod and bearing 148 pushes the link pin 147 , the link bar 146 is pushed forward, and the slide plate 143 is spread while sliding forward with respect to the lifter frame 142 .

Conversely, when the lifter operation rod 145a of the lifter actuator 145 is extended, the lifter bracket 141 rotates forward about the lifter hinge shaft 141a, and the lifter frame 142 rotates backward to return to the initial state. will be folded At this time, since the rod and bearing 128 pulls the link pin 147 , the link bar 146 is pulled rearward, and the slide plate 143 is folded while sliding backward with respect to the lifter frame 142 . .

On the other hand, Figure 11 to Figure 12b shows another embodiment of the reclining chair, the reclining chair of this embodiment is a rotating seat while guiding the rotational movement of the rotating seat unit 120 with respect to the base frame 103 of the body unit 100 There is a difference from the above-described embodiment in the configuration of the guide unit for supporting the part 120 with respect to the base frame 103 .

In this embodiment, the guide unit is installed to be inserted into the guide hole 105 inclined in the vertical direction on the side surface of the base frame 103 and the guide hole 105 on one side of the rotating seat unit 120 to insert the rotating seat unit ( When the 120 is rotated by the driving unit, it includes a guide pin 106 that slides along the guide hole 105 .

Accordingly, when the rotating seat unit 120 rotates in conjunction with the rotating member 130 , the guide pin 106 of the rotating seat unit 120 moves along the guide hole 105 of the base frame 103 while the rotating seat unit rotates. Guides the rotational movement of the 120, and supports the user's weight acting in the vertical direction in the rotated state, it is possible to prevent the rotating seat portion 120 from descending unintentionally.

In the reclining chair as described above, when the angle of the backrest 110 is adjusted, the angle of the rotating seat unit 120 supporting the hips and thighs is simultaneously adjusted in conjunction with the rotational movement of the rotating member 130, so the backrest unit 110 There is an advantage in that there is no gap between the armrests 115 and the rotating seat 120 provided on both sides of the front, and the leg position can be increased compared to the existing ones to improve comfort.

In the above, the present invention has been described in detail with reference to the embodiments, but those of ordinary skill in the art to which the present invention pertains may make various substitutions, additions and modifications within the scope not departing from the technical spirit described above. Of course, it should be understood that such modified embodiments also fall within the protection scope of the present invention as defined by the appended claims below.

Claims

a body portion fixed to the floor;

a rotating member rotatably installed on the upper portion of the main body about a first rotational axis that is horizontal to the ground;

a backrest part configured to support the user's back, the lower end being coupled to the rotating member and rotating together with the rotating member;

a rotating seat portion configured to support the user's buttocks and thighs, the rear end of which is relatively rotatably connected to the rotating member via a second rotating shaft and rotates up and down by rotation of the rotating member; and,

a driving unit providing power to rotate the rotating member;

A reclining chair comprising a.
According to claim 1, wherein the lower end is rotatably connected to the main body portion and the upper end is rotatably connected to the front of the rotating seat portion further comprising a support link for rotatably supporting the front portion of the rotating seat portion with respect to the main body portion reclining chair.
According to claim 1, Reclining chair further comprising a guide unit for supporting the rotating seat portion relative to the main body while guiding the rotational movement of the rotating seat portion with respect to the body portion.
According to claim 3, wherein the guide unit is a guide hole extending in the front-rear direction on the side of the rotating seat portion formed in a curved shape, the lower end of the guide link is rotatably connected to the side surface of the body portion through a hinge pin; A reclining chair including a guide pin installed to be inserted into the guide hole at the upper end of the guide link and sliding along the guide hole when the rotating seat part rotates.
According to claim 3, wherein the guide unit is installed to be inserted into the guide hole in the guide hole extending in the vertical direction inclined on the side surface of the main body portion, and the rotating seat portion on one side to slide along the guide hole when the rotating seat portion rotates. A reclining chair including a guide pin to
According to claim 1, wherein a plurality of connecting brackets are formed to extend rearwardly at the rear end of the rotating seat portion, and a plurality of connecting pieces corresponding to the connecting bracket are formed to protrude upwardly from the rotating member, so that the connecting bracket and the connecting piece are formed to protrude upward. A reclining chair in which the rotating member and the rotating seat portion are rotatably connected to each other by the second rotating shaft being connected to be rotatable relative to each other.
The reclining chair according to claim 1 or 6, wherein the rotation angle of the rotating seat portion is smaller than the rotation angle of the rotating member.
[Claim 2] The lifter according to claim 1, wherein the lower end of both sides are rotatably installed at the front end of the rotating seat part about the lifter hinge axis, the lifter frame coupled to both upper ends of the lifter bracket to rotate together with the lifter bracket; a calf lifter that lifts the user's calf, including a slide plate that is unfolded or folded while sliding with respect to the frame; and,

A lifter actuator connected to the lifter bracket and including a lifter operation rod that rotates the lifter bracket while expanding and contracting in the front and rear directions of the chair, is rotatably connected to the middle portion of the lifter frame and the front end of the slide plate to slide against the lifter frame A plurality of link bars that transmit the force of pushing or pulling the plate, one end connected to the main body part and the other end connected to the link pin connecting the link bar to the link pin in the front and rear direction of the lifter frame according to the rotation of the lifter frame a lifter driving unit including a rod and bearing for applying a force;

A reclining chair further comprising a.
The lifter guide according to claim 8, wherein curved lifter guide holes are formed along the rotational trajectory on both sides of the lifter frame, and are inserted into the lifter guide hole on the side of the rotating seat to guide the rotational movement of the lifter frame. A reclining chair with pins installed.