TWI763062B - Multi-seat chair with removable backrest - Google Patents

Abstract

The present invention provides a multi-seat chair with a movable backrest, comprising: a seat body, including a seat cushion cover and a support member for supporting the seat cushion cover; a slide rail element, the slide rail assembly includes a slide rail and the The slide rail is connected with the seat main body; the backrest includes a core body and a rest piece connected with the core body, and the core body slides along the slide rail to change the position of the rest piece. The multi-seat chair of the present invention has a backrest that can slide stably and smoothly along the slide rail, and the user can adjust the position of the backrest as required, thereby increasing the user's comfort, and has the advantages of simple operation and wider applicability to people.

Description

Multi-seat chair with removable backrest

The invention relates to the field of furniture, in particular to a multi-seat chair with a movable backrest.

Multi-seat chairs, including sofas, are one of the common furniture items, and are generally made into different shapes for different groups of people and different uses. The backrest of a multi-seat chair can improve the user's comfort, and a single fixed backrest cannot meet the different needs of different occasions. It should be noted that the information disclosed in the above Background section is only for enhancing understanding of the background of the invention, and therefore may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

In view of the problems in the prior art, the purpose of the present invention is to provide a multi-seat chair with a movable backrest, which enhances the practicability of the multi-seat chair and is suitable for different occasions and different users.

Embodiments of the present invention provide a multi-seat chair with a movable back, comprising:

a seat body, including a seat cushion cover and a support member for supporting the seat cushion cover;

A slide rail element, the slide rail assembly includes a slide rail and a fixing member connecting the slide rail with the seat body;

The backrest includes a core body and a resting piece connected with the core body, and the sliding of the core body along the slide rail changes the position of the resting piece.

According to an example of the present invention, the core body includes at least a support member and a sliding member;

One end of the support piece is fixedly connected with the slide rail, and the other end is slidably connected with the slide piece.

According to an example of the present invention, the sliding member is a bar-shaped track, the sliding member is a bar-shaped track, the support member is slidably connected with the chute of the bar-shaped track through a roller, and the bar-shaped track faces the sliding portion of the sliding member. One side is provided with a chute for accommodating the roller.

According to an example of the present invention, two ends of the chute are respectively provided with limiting baffles, and the limiting baffles span between two side walls of the chute.

According to an example of the present invention, the slide rail is a circular tube rail.

According to an example of the present invention, the core further includes a reinforcing rib and at least one connecting piece connecting the reinforcing rib to the sliding member.

According to an example of the present invention, the core body further includes bearings located at both ends of the sliding member, the bearings are sleeved on the sliding rail and can slide along the sliding rail.

According to an example of the present invention, the length of the seat cushion cover in the first direction is greater than the length in the second direction, the first direction is perpendicular to the second direction, and the slide rail extends along the first direction.

α

50°。 According to an example of the present invention, the sliding rail forms an angle α with the seat surface of the seat cushion cover, wherein 0°

alpha

50°.

β

135°。 According to an example of the present invention, the seating surface of the seat cushion cover and the resting surface of the resting member form an angle β, wherein 90°

beta

135°.

The multi-seat chair with movable backrest of the present invention allows the user to adjust the position of the backrest as required, thereby increasing the user's comfort, and has the advantages of simple operation and wider application to a wide range of people.

100a: Backrest

100: Core

110: Supports

120: Slider

121: Limit baffle

130: Roller

140: Ribs

150: connecting piece

160: Bearing

200: slide rail

300: Seat body

310: Cushion Cover

320: Support parts

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application, and together with the description serve to explain the principles of the present application, by reading reference to the following drawings for non-limiting implementations Other features, objects and advantages of the present invention will become apparent from the detailed description of the examples. Obviously, the drawings in the following description are only some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic structural diagram of a multi-seat chair with a movable backrest in an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a core in an embodiment of the present invention.

FIG. 3 is an exploded view of the structure of the core according to an embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a sliding connection between a support member and a sliding member according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a core in yet another embodiment of the present invention.

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments, however, can be embodied in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repeated descriptions will be omitted. Some of the block diagrams shown in the figures are functional entities that do not necessarily necessarily correspond to physically or logically separate entities.

The multi-seat chair of the present invention can be a sofa or a chair made of other materials. The following discussion takes the sofa as an example.

1 is a schematic structural diagram of a multi-seat chair with a movable back according to an embodiment of the present invention. Specifically, the multi-seat chair includes:

The seat main body 300, as shown in the dotted line frame in FIG. 1, includes a seat cushion cover 310 and a support member 320 for supporting the seat cushion cover. The seat cushion cover body may be composed of a plurality of single seat cushions, or may be integrated with multiple people, and the supporting member is not limited to the structure shown in FIG. 1 .

A slide rail element, the slide rail assembly includes a slide rail 200 and a fixing member 210 connecting the slide rail 200 with the seat body 300;

The backrest 100a includes a core body 100 and a rest piece connected with the core body 100, and the sliding of the core body 100 along the slide rail 200 changes the position of the rest piece. The resting piece can be any ergonomic shape, and can be designed according to the occasion of using the multi-seat chair or according to the user's requirements, so as to provide the maximum comfort of the chair.

It should be noted here that the slide rail 200 is connected to the seat body 300 through the fixing member 210 . In the embodiment of FIG. 1 , the seat cushion cover body is a rectangular parallelepiped, that is, the length in one direction is greater than the length in the other direction. The longer direction is defined as the first direction, the other direction perpendicular to the first direction is defined as the second direction, and the slide rail 200 extends along the first direction.

β

135°。 As the backrest of a multi-seat chair, it can form a right angle with the seat surface of the chair, which is generally suitable for use in office work. In order to increase the comfort, the angle between the backrest of the chair and the seat surface of the chair can be changed. In the present invention, the reclining surface of the reclining member connected with the core 100 and the seat surface of the seat cover body 310 form an angle β with the reclining surface, Preferably, 90°

beta

135°.

Please refer to FIG. 2 and FIG. 3 at the same time, FIG. 2 is a schematic structural diagram of the core body in an embodiment of the present invention, and FIG. 3 is a disassembled view of the structure of the core body in the embodiment of FIG. 2 ; the core body 100 includes at least one support member 110 and a sliding member 120 , one end of the supporting member 110 is fixedly connected with the sliding rail 200 , and the other end is slidably connected with the sliding member 120 .

Taking the embodiment of FIG. 3 as an example, the slide rail 200 in the embodiment is a circular tube rail. In the embodiment, two supports 110 are included. One end of the supports 110 connected to the circular track is arc-shaped, and the curvature of the arc is adapted to the curvature of the circular track to be connected. The circular track realizes the fixed connection, and the connection can be realized by other methods such as welding.

The sliding member 120 in the above-mentioned embodiment is a bar-shaped track, and the support member 110 is slidably connected with the chute of the bar-shaped track through the roller 130, as shown in FIG. 4 , the bar-shaped track is disposed toward one side of the sliding member 120 There is a chute for accommodating the roller 130. The chute can be C-shaped, and the inner walls on both sides of the chute can be used for the rotation of the roller 130. When the bar track moves relative to the track 200, the roller 130 rolls in the chute of the bar track. . Limiting baffles 121 may be respectively provided at both ends of the chute, and the limiting baffles 121 span between the two side walls of the chute and are used to limit the rollers 130 in the chute.

Since the core body is connected with the leaning member, the sliding of the core body drives the movement of the leaning member. In order to enhance the strength of the core body, in the above embodiment, the core body 100 may further include a reinforcing rib 140, and the reinforcing rib 140 can be connected by The sheet 150 is connected with the sliding member 120 . The reinforcing ribs 140 and the sliding member 120 in the embodiment have the same length. The connecting sheet 150 is sleeved on the slide rail 200 and can slide freely along the slide rail 200 .

In the embodiment, the roller 130 can rotate freely in the chute of the sliding member 120, and its material can be soft rubber, and the rubber roller can ensure the core body moves smoothly in the chute without frustration. Meanwhile, in order to ensure the smoothness of the core body sliding along the slide rail, the core body 100 may further include bearings 160 located at both ends of the slide member 120 , two of the bearings 160 are sleeved on the slide rail 200 and can be along the slide rail 200 . slide.

The reinforcing rib 140 and the sliding piece 120 can be connected through the connecting piece 150, and the connection with the bearing 160 can be realized through the connecting piece 150, as shown in FIG. 5; the reinforcing rib 140 and the sliding piece 120 can also be directly connected with the bearing 160. Not limited to bolted connections.

In the above-mentioned embodiment, the two support members 110 and the sliding rail 200 are fixed relative to the seat body 300; the bearing 160 is sleeved on the sliding rail 200, and the bar-shaped rail clamps the roller of the bracket, the bearing 160 and the sliding member 120 When moving relative to the slide rail 200, the leaning member is fixed relative to the bearing 160 or the sliding member 120. When the bearing 160 and the sliding member 120 slide relative to the circular tube track, the leaning member slides relative to the circular tube track.

In the embodiments of FIGS. 1 to 5 , the sliding rail 200 and the seat surface of the seat cushion cover 310 are parallel, that is, the angle α formed by the sliding rail 200 and the seat surface of the seat cushion cover 310 is 0°, At this time, the movement of the core 100, that is, the leaning member, is on a plane. In other embodiments of the present invention, there may be a certain angle between the sliding rail 200 and the seat surface of the seat cushion cover 310 , that is, the heights of the two fixing members 210 in FIG. 1 may be different. Depending on the movement of the piece on the slide rail 200 , the distance between the leaning piece and the seat surface of the cushion cover body 310 is different. Therefore, the multi-seat chair of the present invention can satisfy users of different heights or users who need to rely on different back parts. Preferably, the angle α between the slide rail 200 and the seat surface of the seat cushion cover body 310 is between 0° and 50°.

In summary, the present invention provides a multi-seat chair with a movable backrest, comprising: a seat body, including a seat cushion cover and a support member for supporting the seat cushion cover; a slide rail element, the slide rail assembly includes A slide rail and a fixing piece connecting the slide rail with the seat body; a backrest, the backrest includes a core body and a resting piece connected with the core body, the sliding of the core body along the slide rail changes the position of the resting piece Location. The multi-seat chair of the present invention has a backrest that can slide stably and smoothly along the slide rails.

The multi-seat chair of the present invention has a backrest that can slide stably and smoothly along the slide rail, and the user can adjust the position of the backrest as required, thereby increasing the comfort of the user, and has the advantages of simple operation and wider application to a wide range of people.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be considered that the specific implementation of the present invention is limited to these descriptions. It will be apparent to those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that the present application may be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and is therefore intended to fall within the scope of All changes within the meaning and scope of equivalents to the scope of the claims are included in this application. Any reference signs in the claims should not be construed as limiting the scope of the claims involved. Furthermore, it is clear that the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. A plurality of units or devices stated in the device claim may also be implemented by one unit or device through software or hardware. It should be understood that the terms "down" or "up", "downwards" or "upwards" are used to describe features of the exemplary embodiments with reference to the locations shown in the figures for ease of describing the present invention and Simplify description, not indicate or imply The device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention; words such as first, second, etc. are used to denote names, not any particular order.

110: Supports

120: Slider

121: Limit baffle

130: Roller

140: Ribs

150: connecting piece

160: Bearing

200: slide rail

Claims (10)

A multi-seat chair with a movable back is characterized by comprising: a seat body, including a seat cushion cover and a support member for supporting the seat cushion cover; A slide rail element, the slide rail assembly includes a slide rail and a fixing member connecting the slide rail with the seat body; The backrest includes a core body and a resting piece connected with the core body, and the sliding of the core body along the slide rail changes the position of the resting piece. The multi-seat chair with a movable backrest as claimed in claim 1, wherein the core includes at least one support member and a sliding member; One end of the support piece is fixedly connected with the slide rail, and the other end is slidably connected with the slide piece. The multi-seat chair with movable backrest according to claim 2, wherein the sliding member is a bar-shaped track, the support member is slidably connected with the chute of the bar-shaped track through rollers, and the bar-shaped track faces the One side of the slider is provided with a chute for accommodating the roller. The multi-seat chair with movable backrest according to claim 3, wherein limit baffles are respectively provided at both ends of the chute, and the limit baffles span between two side walls of the chute. The multi-seat chair with movable backrest according to claim 2, wherein the sliding rail is a circular tube rail. The multi-seat chair with movable backrest according to claim 5, wherein the core further comprises a reinforcing rib and at least one connecting piece connecting the reinforcing rib to the sliding member. The multi-seat chair with movable backrest according to claim 5, wherein the core further comprises bearings located at both ends of the sliding member, the bearings are sleeved on the sliding rail and can slide along the sliding rail. The multi-seat chair with movable backrest according to claim 1, wherein the length of the seat cushion cover body in the first direction is greater than the length in the second direction, the first direction is perpendicular to the second direction, the sliding The rail extends along the first direction. The multi-seat chair with movable backrest as claimed in claim 1, wherein the sliding rail forms an angle α with the seat surface of the seat cushion cover, wherein 0°

alpha

50°. The multi-seat chair with a movable back as claimed in claim 1, wherein the seat surface of the seat cushion cover forms an angle β with the rest surface of the rest member, wherein 90°

beta

135°.

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