TW202122015A - Multi-seat chair with movable backrest - Google Patents

Abstract

The invention provides a multi-seat chair with a movable backrest. The multi-seat chair comprises a chair main body, a sliding rail assembly and the backrest, wherein the chair main body comprises a seat cushion sleeve and support parts used for supporting the seat cushion sleeve; the sliding rail assembly comprises a sliding rail and fixing parts for connecting the sliding rail with the chair main body; and the backrest comprises a core and a leaning part connected with the core, and the position of the leaning part is changed through the sliding of the core along the sliding rail. The multi-seat chair provided by the invention is provided with the backrest capable of smoothly sliding along the sliding rail, then a user can adjust the position of the backrest according to demands, so that the comfort of the user is increased, and the multi-seat chair has the advantages that the operation is simple, the suitable crowd is wide, etc.

Description

Multi-seat chair with movable 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 people and different purposes. The backrest of a multi-seat chair can improve the comfort of users, and a fixed single backrest cannot meet the different needs of different occasions. It should be noted that the information disclosed in the background art section above is only used to enhance the understanding of the background of the present invention, and therefore may include information that does not constitute the prior art known to those 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.

The embodiment of the present invention provides a multi-seat chair with a movable backrest, including:

The seat body includes a cushion cover body and a support member for supporting the cushion cover body;

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

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

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

One end of the support member is fixedly connected with the sliding rail, and the other end is slidingly connected with the sliding member.

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

According to an example of the present invention, a limit baffle is provided at both ends of the chute, and the limit baffle spans between two side walls of the chute.

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

According to an example of the present invention, the core body 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 two ends of the sliding member, and 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 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 and the seat surface of the cushion cover form an angle α, where 0°

α

50°.

β

135°。 According to an example of the present invention, the seat surface of the cushion cover forms a β angle with the leaning surface of the leaning member, where 90°

β

135°.

With the multi-seat chair with movable backrest of the present invention, the user can adjust the position of the backrest according to needs, increase the user's comfort, and has the advantages of simple operation and wider application to people.

100a: backrest

100: core

110: Support

120: Slider

121: limit baffle

130: Roller

140: stiffener

150: connecting piece

160: bearing

200: Slide rail

300: seat body

310: Cushion cover

320: support parts

The drawings here are incorporated into the specification and constitute a part of the specification, showing embodiments that conform to the application, and together with the specification are used to explain the principles of the application. The following drawings are used to implement non-limiting implementation by reading and referring to the following drawings. With the detailed description of the examples, the other features, purposes and advantages of the present invention will become more apparent. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

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 diagram of the structure of the core in an embodiment of the present invention.

Fig. 3 is an exploded view of the core structure in an embodiment of the present invention.

Fig. 4 is a structural schematic diagram of a sliding connection between a support member and a sliding member in an embodiment of the present invention.

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

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms, and should not be construed as being limited to the examples set forth herein; on the contrary, these embodiments are provided so that the present disclosure will be more comprehensive and complete, and the concept of the example embodiments will be fully conveyed to Those skilled in the art. The described features, structures or characteristics can be combined in one or more embodiments in any suitable way.

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

Fig. 1 is a schematic structural diagram of a multi-seat chair with a movable backrest in an embodiment of the present invention. Specifically, the multi-seat chair includes:

The seat body 300, as shown in the dashed frame in Fig. 1, includes a cushion cover 310 and a support member 320 for supporting the cushion cover. The cushion cover body may be composed of multiple single-person cushions, or may be integrated with multiple persons, and the supporting member is not limited to the structure shown in FIG. 1.

A sliding rail component, the sliding rail assembly includes a sliding rail 200 and a fixing member 210 connecting the sliding rail 200 and the seat body 300;

The backrest 100a includes a core body 100 and a leaning member connected to the core body 100. The sliding of the core body 100 along the slide rail 200 changes the position of the leaning member. The leaning member can be any shape conforming to ergonomics, and can be designed according to the occasion of the multi-seat chair or according to the user's requirements, so as to maximize the 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 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, and the other 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 be at right angles to the seat surface of the chair. This type of chair is generally suitable for use in office. In order to increase the comfort, the angle between the backrest of the chair and the seating surface of the chair can be changed. In the present invention, the reclining surface of the reclining member connected to the core body 100 forms a β angle with the seating surface of the cushion cover 310 and the reclining surface. Preferably, 90°

β

135°.

2 is a schematic structural diagram of a core body in an embodiment of the present invention. The core body 100 includes at least one support member 110 and a sliding member 120. One end of the support member 110 is fixedly connected to the slide rail 200, and the other end is connected to the slide rail 200. The sliding member 120 is slidably connected.

Fig. 3 is a structural split view of the core in the embodiment of Fig. 2. Taking the embodiment of Fig. 3 as an example, the slide rail 200 in the embodiment is a circular tube track. The embodiment includes two support members 110. The end of the support member 110 connected to the circular track is in the shape of an arc, and the curvature of the arc is adapted to the curvature of the circular track to be connected. The support member 110 can be connected to the circular track by bolts. The circular track achieves a fixed connection, and the connection can be achieved by other methods such as welding.

The sliding member 120 in the above embodiment is a strip-shaped track, and the supporting member 110 is slidably connected with the sliding groove of the strip-shaped track through a roller 130, as shown in FIG. 4, the strip-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 rotated by the roller 130. When the strip track moves relative to the track 200, the roller 130 rolls in the chute of the strip track . The two ends of the chute can be respectively provided with a limit baffle 121 that spans between the two side walls of the chute and is used to limit the roller 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, which may be connected by The piece 150 is connected to the sliding member 120. In the embodiment, the reinforcing rib 140 and the sliding member 120 have the same length. The connecting piece 150 is sleeved on the sliding rail 200 and can slide freely along the sliding rail 200.

In the embodiment, the roller 130 can rotate freely in the sliding groove of the sliding member 120, and the material can be soft rubber. The rubber roller can ensure the smooth movement of the core in the sliding groove without a sense of frustration. At the same time, in order to ensure the smoothness of the core body sliding along the sliding rail, the core body 100 may further include bearings 160 located at both ends of the sliding member 120. Two of the bearings 160 are sleeved on the sliding rail 200 and can be moved along the sliding rail 200. slide.

The reinforcing rib 140 and the sliding member 120 can be connected by the connecting piece 150, and at the same time, the connection with the bearing 160 is realized through the connecting piece 150, as shown in Figure 5; the reinforcing rib 140 and the sliding member 120 can also be directly connected with the bearing 160, the above-mentioned connection method It is not limited to bolted connection.

In the above-mentioned embodiment, the two supports 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 rollers of the bracket, the bearing 160 and the sliding member 120 Relative to the sliding rail 200, the leaning member is fixed with respect to the bearing 160 or the sliding member 120. When the bearing 160 and the sliding member 120 slide relative to the circular pipe track, the leaning member slides relative to the circular pipe track.

In the embodiment of FIGS. 1 to 5, the sliding rail 200 and the seating surface of the cushion cover 310 are parallel, that is, the angle α formed by the sliding rail 200 and the seating surface of the cushion cover 310 is 0°, At this time, the core 100, that is, the movement of 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 cushion cover 310, that is, the heights of the two fixing members 210 in FIG. When the piece moves on the sliding rail 200, the distance between the leaning piece and the seat surface of the cushion cover 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 parts of the back. Preferably, the angle α between the sliding rail 200 and the seat surface of the cushion cover 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 cushion cover body and a support member for supporting the cushion cover body; a slide rail element, the slide rail assembly includes A slide rail and a fixing member connecting the slide rail and the seat body; a backrest, the backrest includes a core body and a leaning member connected with the core body, the core body sliding along the slide rail changes the leaning member position. The multi-seat chair of the present invention has a backrest that can slide stably and smoothly along a sliding rail.

The multi-seat chair of the present invention has a backrest that can slide steadily and smoothly along the sliding rail. The user can adjust the position of the backrest according to needs, increase the user's comfort, and has the advantages of simple operation and wider application to 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. For those skilled in the art, it is obvious that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the application. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present application is defined by the scope of the attached patent application rather than the above description, so it is intended to fall within The meaning of the equivalent elements of the scope of the patent application and all changes within the scope are included in this application. Any reference signs in the claim shall not be regarded as limiting the scope of the patent application involved. In addition, it is obvious that the word "including" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units or devices stated in the device request item may also be implemented by one unit or device through software or hardware. It should be understood that the terms "down" or "up", "down" or "up" are used to describe the features of the exemplary embodiments at the positions shown in the figures, and are only for the convenience of describing the present invention and Simplify the 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 cannot be understood as a limitation of the present invention; words such as first and second are used to indicate names, but do not indicate any specific order.

110: Support

120: Slider

121: limit baffle

130: Roller

140: stiffener

150: connecting piece

160: bearing

200: Slide rail

Claims (10)

A multi-seat chair with a movable backrest, which is characterized in that it comprises: The seat body includes a cushion cover body and a support member for supporting the cushion cover body; A sliding rail element, the sliding rail assembly includes a sliding rail and a fixing member connecting the sliding rail and the seat body; The backrest includes a core body and a leaning member connected with the core body, and the sliding of the core body along the slide rail changes the position of the leaning member. The multi-seat chair with a movable backrest according to claim 1, wherein the core body includes at least one support member and a sliding member; One end of the support member is fixedly connected with the sliding rail, and the other end is slidingly connected with the sliding member. The multi-seat chair with a movable backrest according to claim 2, wherein the sliding member is a strip rail, the support member is slidably connected with the sliding groove of the strip rail through a roller, and the strip rail faces the One side of the sliding member is provided with a sliding groove for accommodating the roller. The multi-seat chair with a movable backrest according to claim 3, wherein the two ends of the chute are respectively provided with a limit baffle, and the limit baffle straddles between the two side walls of the chute. The multi-seat chair with a movable backrest according to claim 2, wherein the slide rail is a circular tube rail. The multi-seat chair with a movable backrest according to claim 5, wherein the core body further includes a reinforcing rib and at least one connecting piece connecting the reinforcing rib to the sliding member. The multi-seat chair with a movable backrest according to claim 5, wherein the core body further includes bearings at two ends of the sliding member, and the bearings are sleeved on the slide rail and can slide along the slide rail. The multi-seat chair with a movable backrest according to claim 1, wherein the length of the 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 sliding The rail extends in this first direction. The multi-seat chair with a movable backrest according to claim 1, wherein the slide rail and the seat surface of the cushion cover form an angle α, where 0°

α

50°. The multi-seat chair with a movable backrest according to claim 1, wherein the seat surface of the cushion cover forms an angle β with the reclining surface of the reclining member, wherein 90°

β

135°.

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