CN210433150U - Chair and sharing chair - Google Patents

Abstract

The utility model provides a chair and sharing chair belongs to articles for daily use technical field. The chair comprises a seat component, a backrest component, a leg placing component and a connecting piece; the two opposite ends of the seat component are respectively hinged with the backrest component and the leg placing component, the two ends of the connecting piece are respectively connected with the backrest component and the leg placing component, and the connecting piece is used for linking the leg placing component and the backrest component; the chair further includes a back support hinged to the back assembly for supporting the back assembly. The shared chair includes a shared lock for locking the articulation of the chair seat assembly and the leg rest assembly and/or the articulation of the chair seat assembly and the back rest assembly, as well as the chair described above. An object of the utility model is to provide a chair and sharing chair can make the chair convenient and fast more change into the bed form through the connecting piece that sets up and back support piece, improves the ease for use and the convenience of chair.

Description

Chair and sharing chair

Technical Field

The utility model relates to a articles for daily use technical field particularly, relates to a chair and sharing chair.

Background

With the continuous development of economy in China, the economic mode is also continuously expanded. In order to save social resources and provide more convenience for people's daily life, the shared economy becomes an economic model which is rapidly developed at present.

In most hospital wards, the nursing chair is equipped, so that the nursing person can have a rest and use conveniently. In the shape of the accompanying chair, the accompanying person can use in a sitting posture, and when the accompanying chair is in a bed shape, the accompanying person can use in a sleeping posture.

The current sharing accompanying chair is usually realized by arranging a sharing lock on a deformable folding bed, and the process of transforming the deformable folding bed into a bed form from a chair form is complex in operation and inconvenient to move. Therefore, the current shared accompanying chair is relatively poor in usability and convenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chair and sharing chair can make the chair convenient and fast more change into the bed form through the connecting piece that sets up and back support piece, improves the ease for use and the convenience of chair.

The embodiment of the utility model is realized like this:

an aspect of the embodiments of the present invention provides a chair, including: a seat assembly, a backrest assembly, a leg rest assembly and a connector; the two opposite ends of the seat component are respectively hinged with the backrest component and the leg placing component, the two ends of the connecting piece are respectively connected with the backrest component and the leg placing component, and the connecting piece is used for linking the leg placing component and the backrest component; the chair further includes a back support hinged to the back assembly for supporting the back assembly.

Optionally, the connecting member includes at least a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hinged through the end portion, the first connecting rod is connected with the backrest assembly, and the second connecting rod is connected with the leg placing assembly.

Optionally, the backrest support comprises a support frame and a link; one end of the support frame is hinged on the backrest component, two ends of the connecting rod are respectively hinged on the support frame and the seat component, and the connecting rod is used for linking the backrest component and the support frame.

Optionally, a gear plate is arranged at the hinged position of the seat component and the backrest component, and a spring pull rod and a limiting rod are arranged on the backrest component; the spring pull rod is connected with the backrest component in a sliding mode along the direction away from the seat component, the spring pull rod comprises a pull rod and a spring, the limiting rod is connected with the pull rod, the gear plate is provided with a clamping groove, the limiting rod is clamped in the clamping groove in the seat shape, the spring sleeve is arranged on the pull rod, and two ends of the spring are respectively abutted against the limiting rod and the backrest component.

Optionally, the seat assembly comprises a cushion frame, a cushion and two armrest frames, wherein two opposite ends of the cushion frame are respectively hinged with the backrest assembly and the leg placement assembly, the two armrest frames are respectively arranged at two ends of the cushion frame adjacent to the leg placement assembly, and the cushion is arranged on the cushion frame;

optionally, the two handrail frames are connected by a reinforcing rod, and the connecting rod is hinged on the reinforcing rod.

Optionally, the backrest assembly comprises a backrest frame and a back cushion, the backrest frame is hinged to the end of the seat frame, the back cushion is arranged on the backrest frame, the backrest assembly support is hinged to one side of the backrest frame away from the back cushion, and one end of the connecting piece is hinged to the backrest frame.

Optionally, the leg placing assembly comprises a leg placing frame and a leg placing pad, the end part of the leg placing frame hinged to the cushion frame is arranged opposite to the back cushion frame, the leg placing pad is arranged on the leg placing frame, and one end, far away from the backrest assembly, of the connecting piece is hinged to the leg placing frame; the leg placing component also comprises a leg placing supporting piece which is hinged on the leg placing frame and used for supporting the leg placing frame.

Optionally, the leg placing frame is an expansion frame, the expansion frame comprises a fixed part and an expansion part, the fixed part is hinged to the end part of the cushion frame and is opposite to the cushion frame, and the end part of the expansion part is provided with a pedal; the leg support piece comprises a leg support and a support connecting rod, the leg support is hinged to the fixing portion, two ends of the support connecting rod are connected to the telescopic portion and the leg support respectively, and the support connecting rod is used for linking the telescopic portion and the leg support.

Optionally, the leg rest assembly further comprises a foot pedal, the foot pedal is connected with the leg rest in a sliding manner along a direction far away from the cushion frame; the leg placing support piece comprises a leg placing support and a support connecting rod, the leg placing support is hinged to the leg placing support, two ends of the support connecting rod are respectively connected to the pedal and the leg placing support, and the support connecting rod is used for linking the pedal and the leg placing support.

In another aspect of the embodiment of the present invention, a sharing chair is provided, including: a shared lock for locking the articulation of the chair seat assembly and the leg rest assembly and/or the articulation of the chair seat assembly and the back rest assembly, and a chair as claimed in any one of the preceding claims.

The utility model discloses beneficial effect includes:

the embodiment of the utility model provides a chair, including seat subassembly, back subassembly, put leg subassembly and connecting piece. The opposite ends of the seat component are respectively hinged with the backrest component and the leg placing component, the backrest component and the leg placing component are connected through a connecting piece, and the connecting rod is used for linking the leg placing component and the backrest component. During normal use, the chair may assume a seat configuration and a bed configuration. In the chair configuration, the back assembly and the leg rest assembly are both approximately perpendicular to the seat assembly. In the bed configuration, the back assembly, leg rest assembly and seat assembly are approximately in the same plane. The backrest component and the leg placing component are connected through the connecting piece, and the leg placing component can rotate along with the backrest component when the backrest component rotates, so that the chair seat form and the bed form can be converted conveniently and quickly. When the user is in a sitting posture, the seat assembly is used for supporting the body of the user and plays a role in supporting the user in the sitting posture; the backrest assembly is used for providing leaning support for the back of a user; the leg placement assembly is used for providing leg support for a user. When the user is in a lying state, the seat component, the backrest component and the leg placing component jointly provide a supporting function for the body of the user. The chair further comprises a backrest support member hinged to the backrest assembly, whereby the backrest support member is capable of providing support to the backrest assembly in the bed configuration, enhancing the stability of the chair. This chair through set up the connecting rod between the back subassembly and put the leg subassembly, utilizes the connecting rod linkage back subassembly and puts the leg subassembly, can make this chair convenient and fast more convert the bed form into by the seat form, improves the ease for use and the convenience of chair.

The embodiment of the utility model provides a pair of sharing chair, including the sharing lock and adopt foretell chair, can make this sharing chair unblock back convenient and fast more convert the bed form that has higher stability into from the seat form, improve sharing chair's ease of use and convenience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a bed form structure of a chair provided in an embodiment of the present invention;

fig. 2 is a schematic view of a chair according to an embodiment of the present invention;

fig. 3 is a second schematic view of a chair according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a backrest assembly of a chair according to an embodiment of the present invention.

Icon: 110-a seat assembly; 111-cushion frame; 112-cushion; 113-armrest frame; 1131, a roller; 114-reinforcing rods; 120-a backrest assembly; 121-cushion frame; 122-back cushion; 123-gear plate; 124-spring pull rod; 125-a limiting rod; 130-a leg placement assembly; 131-a leg placing frame; 132-leg rest pad; 133-leg placement supports; 1331-leg rest; 1332-a bracket link; 134-foot pedal; 140-a connector; 141-first connecting rod; 142-a second connecting rod; 150-a back support; 151-a support frame; 152-a connecting rod; 210-sharing locks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An embodiment of the present invention provides a chair, as shown in fig. 1 and 2, including: a seat assembly 110, a backrest assembly 120, a leg rest assembly 130, and a connector 140; opposite ends of the seat assembly 110 are respectively hinged with the backrest assembly 120 and the leg placing assembly 130, two ends of the connecting piece 140 are respectively connected with the backrest assembly 120 and the leg placing assembly 130, and the connecting piece 140 is used for linking the leg placing assembly 130 and the backrest assembly 120; the chair further includes a back support 150 hinged to the back assembly 120 for supporting the back assembly 120.

The chair includes two configurations, an initial configuration that is generally a chair configuration, a back assembly 120 and a leg rest assembly 130 that are each approximately perpendicular to the seat assembly 110, and an overall configuration that is similar to a conventional back rest chair. The chair configuration may be converted from the chair configuration to the bed configuration by rotating the backrest assembly 120 with the hinged end of the seat assembly 110, rotating the leg assembly 130 in conjunction with the backrest assembly 120 via the link 140, and rotating the backrest support 150 to be approximately perpendicular to the backrest assembly 120, wherein the backrest assembly 120, the seat assembly 110, and the leg assembly 130 are approximately in the same plane. Of course, in this embodiment, the initial configuration of the chair may be a bed configuration, and the process of converting the bed configuration into the chair configuration is similar to the process of converting the chair configuration into the bed configuration, and it is only necessary to rotate the backrest assembly 120 to be approximately perpendicular to the seat assembly 110, and to retract the backrest support 150.

During normal use, the backrest assembly 120 and the leg rest assembly 130 of the chair are linked by the connecting member 140, so that the seat configuration and the bed configuration can be switched by rotating the backrest assembly 120 or the leg rest assembly 130.

It should be noted that, first, the connecting member 140 is generally configured as a multi-hinge structure, and a smoother linkage effect between the backrest module 120 and the leg rest module 130 can be achieved through the multi-hinge structure. Of course, in practical applications, the connecting member 140 may also be provided as a single rod with a certain bending portion. The specific arrangement of the connection member 140 is not limited herein.

Second, in general, in order to enable the connecting member 140 to function as a linkage between the backrest module 120 and the leg unit 130, the connecting member 140 is fixedly connected to one end of the backrest module 120 and the leg unit 130 and is hinged to the other end. In practical applications, particularly, the end connected to the backrest module 120 is hinged or the end connected to the leg-placing module 130 is hinged, and those skilled in the art can set the end according to circumstances, and the invention is not limited in this respect.

Thirdly, in practical applications, the backrest support 150 may be further provided with a telescopic structure so that the backrest support 150 can adapt to uneven terrain when used in a bed configuration.

Fourth, the backrest support 150 may be configured as a support bar, etc. and when in use, the backrest support 150 is manually rotated to be perpendicular to the backrest module 120, so that it can support the backrest module 120. Of course, in the present embodiment, the backrest support 150 may also be provided with other structures, and is not limited herein.

The embodiment of the utility model provides a chair, including seat subassembly 110, back subassembly 120, put leg subassembly 130 and connecting piece 140. Opposite ends of the seat assembly 110 are hingedly connected to the back rest assembly 120 and the leg rest assembly 130, respectively, and the back rest assembly 120 and the leg rest assembly 130 are connected by a connection 140 for interlocking the leg rest assembly 130 and the back rest assembly 120. During normal use, the chair may assume a seat configuration and a bed configuration. In the chair configuration, the back assembly 120 and the leg rest assembly 130 are both approximately perpendicular to the seat assembly 110. The chair is convertible from the chair configuration to the bed configuration by rotating the back assembly 120 through its hinged end with the seat assembly 110 such that the back assembly 120 is approximately in the same plane as the seat assembly 110. Because the leg rest assembly 130 is connected to the backrest assembly 120 by the connecting member 140, the leg rest assembly 130 can be rotated along the hinged end with the backrest assembly 120 to be approximately in the same plane as the seat assembly 110 while the backrest assembly 120 is rotated, thereby facilitating the interconversion between the chair seat configuration and the bed configuration. The seat assembly 110 is used to support the user's body when the user is in a sitting posture, and plays a role of supporting the user when the user is in the sitting posture; the backrest assembly 120 is used to provide resting support for the user's back; leg rest assembly 130 is used to provide leg support for the user. The seat assembly 110, backrest assembly 120, and leg rest assembly 130 cooperate to provide support to the user's body when the user is in a prone position. The chair further comprises a back support 150 hinged to the back assembly 120, the back support 150 being pivotable in the bed configuration, the back support 150 providing support to the back assembly 120 to enhance the stability of the chair in the bed configuration. This chair through set up the connecting rod between back subassembly 120 and put leg subassembly 130, utilizes connecting rod linkage back subassembly 120 and puts leg subassembly 130, can make this chair convenient and fast more by seat form to bed form interconversion, improves the ease for use and the convenience of chair.

Alternatively, as shown in fig. 1, the connection member 140 includes at least a first connection rod 141 and a second connection rod 142, the first connection rod 141 and the second connection rod 142 are hinged by an end, the first connection rod 141 is connected with the backrest module 120, and the second connection rod 142 is connected with the leg rest module 130.

It should be noted that the connecting member 140 is provided as a multi-hinge structure having at least a first connecting rod 141 and a second connecting rod 142. When the connection member 140 has more connection rods, each connection rod is arranged similarly to the first and second connection rods 141 and 142 described above. The connecting rods are hinged end to form a rod-shaped connecting member 140 with a multi-hinge structure, and the head part and the tail part of the connecting member 140 are respectively connected with the backrest assembly 120 and the leg placing assembly 130.

The link 140 is provided as a multi-hinge structure including at least a first link 141 and a second link 142, and the link 140 can more smoothly link the backrest module 120 and the leg unit 130 by hinge rotation between the respective links. The connecting member 140 is provided as a hinge structure including two connecting rods, i.e., a first connecting rod 141 and a second connecting rod 142, and is simple in structure and convenient to install and maintain.

Alternatively, as shown in fig. 1, the back support 150 includes a support bracket 151 and a link 152; one end of the supporting frame 151 is hinged to the backrest module 120, two ends of the connecting rod 152 are respectively hinged to the supporting frame 151 and the seat module 110, and the connecting rod 152 is used for linking the backrest module 120 and the supporting frame 151.

The support frame 151 of the backrest support 150 is hinged to the backrest assembly 120, the support frame 151 is linked with the backrest assembly 120 through the connecting rod 152, the backrest assembly 120 can drive the support frame 151 to rotate in the rotating process, and therefore in the process of mutual conversion between the chair seat form and the bed form, the support frame 151 (backrest support 150) does not need to be rotated independently, the backrest support 150 can be folded and unfolded only by rotating the backrest assembly 120 or the leg assembly 130, and convenience and usability of the chair in operation are further improved.

Alternatively, as shown in fig. 2, the seat assembly 110 includes a seat cushion frame 111, a seat cushion 112, and two armrest frames 113, opposite ends of the seat cushion frame 111 are respectively hinged to the backrest assembly 120 and the leg assembly 130, the two armrest frames 113 are respectively disposed at two ends of the seat cushion frame 111 adjacent to the leg assembly 130, and the seat cushion 112 is disposed on the seat cushion frame 111.

The seat frame 111 of the seat assembly 110 is used to carry a seat cushion 112 and to connect with other components. The cushion 112 is usually made of soft material, however, in practical application, the specific arrangement of the cushion 112 can be set by those skilled in the art according to the design situation.

The seat assembly 110 is configured to include a cushion frame 111, a seat cushion 112, and an armrest frame 113, wherein the armrest frame 113 serves to support the overall structure of the chair and provide an armrest for a user. The seat assembly 110 is simple to install and facilitates removal and cleaning of the seat cushion 112.

Alternatively, as shown in fig. 1, the two armrest frames 113 are connected by a reinforcing bar 114, and the link 152 of the backrest support 150 is hinged to the reinforcing bar 114.

The reinforcing bars 114 are provided between the respective armrest frames 113, and the stability of the chair seat assembly 110 can be enhanced by the reinforcing bars 114, which can make the arrangement of the two armrest frames 113 more stable.

Alternatively, as shown in fig. 3 and 2, the backrest assembly 120 includes a cushion frame 121 and a back cushion 122, the cushion frame 121 is hinged to an end of the cushion frame 111, the back cushion 122 is disposed on the cushion frame 121, the backrest assembly 120 support is hinged to a side of the cushion frame 121 away from the back cushion 122, and one end of the connecting member 140 is hinged to the cushion frame 121.

Generally, the material of the back cushion 122 is a soft material, however, those skilled in the art can set the back cushion 122 according to specific situations in practical applications, and the present invention is not limited thereto. For example, the back pad 122 is provided as a hard plate surface having a massage convex portion or the like.

The provision of the back assembly 120 to include a cushion frame 121 and a back cushion 122 allows the back assembly 120 of the chair to be easily disassembled and the back cushion 122 to be easily disassembled for washing.

Optionally, as shown in fig. 4, a gear plate 123 is disposed at the hinge joint of the seat assembly 110 (not shown in fig. 4) and the backrest assembly 120, and a spring pull rod 124 and a limit rod 125 are disposed on the backrest assembly 120; the spring pull rod 124 is slidably connected with the backrest component 120 along a direction away from the seat component 110, the spring pull rod 124 comprises a pull rod and a spring, the limit rod 125 is connected with the pull rod, the gear plate 123 is provided with a clamping groove, the limit rod 125 is clamped in the clamping groove in the seat form, the spring is sleeved on the pull rod, and two ends of the spring are respectively abutted against the limit rod 125 and the backrest component 120.

Generally, when the chair is in the chair shape, the spring of the spring rod 124 is in a relaxed state, the limit rod 125 is clamped in the clamping groove of the gear plate 123, and when the chair needs to be converted into the bed shape, the spring is contracted by pulling the spring rod 124, so that the limit rod 125 is separated from the clamping groove. Through the mutually matched arrangement of the gear plate 123 and the limiting rod 125, the state locking of the chair shape can be simply and conveniently realized, and the chair shape can be kept.

Alternatively, as shown in fig. 1, the leg placing assembly 130 includes a leg placing frame 131 and a leg placing pad 132, an end of the leg placing frame 131 hinged to the cushion frame 111 (labeled in fig. 1) is disposed opposite to the back cushion frame 121 (labeled in fig. 1), the leg placing pad 132 is disposed on the leg placing frame 131, and an end of the connecting member 140 away from the backrest assembly 120 is hinged to the leg placing frame 131.

Usually, the leg rest pad 132 is made of a flexible material, but in this embodiment, a person skilled in the art may select the material of the leg rest pad 132 according to specific situations, which is not limited herein.

Leg rest assembly 130 is configured to include leg rest 131 and leg rest pad 132 to facilitate installation and removal of leg rest pad 132.

Optionally, as shown in fig. 1, the leg placing assembly 130 further includes a leg placing support 133, and the leg placing support 133 is hinged to the leg placing frame 131 for supporting the leg placing frame 131.

It should be noted that the leg support 133 can be configured as a support rod structure, and the support rod (leg support 133) can be manually pulled to provide a support function for the leg assembly 130 during use. Of course, in practical applications, the leg assembly 130 may have other configurations, and is not limited herein.

The chair in the bed configuration has greater stability by providing the leg rest support 133 on the leg rest assembly 130 to provide support to the leg rest assembly 130.

Alternatively, as shown in fig. 1, the leg rest 131 is provided as a telescopic frame including a fixed portion hinged to the end of the cushion frame 111 opposite to the cushion frame 121 and a telescopic portion having a foot pedal 134 at the end.

The leg placing frame 131 is set to be a telescopic frame, the telescopic part of the telescopic frame is provided with the pedal 134, the pedal 134 can be retracted and extended on the leg placing frame 131 through stretching, a foot supporting part is provided for a user as required in the using process, and the comfort of the user is improved.

Optionally, the leg support 133 includes a leg support 1331 and a support link 1332, the leg support 1331 is hinged to the fixing portion, two ends of the support link 1332 are respectively connected to the telescopic portion and the leg support 1331, and the support link 1332 is used for linking the telescopic portion and the leg support 1331.

The leg support 133 includes a leg support 1331 and a support link 1332, and the leg support 1331 hinged to the fixing part is linked with the extension part of the leg support 131 by the support link 1332, so that the leg support 1331 can be installed in place together with the footrest 134 of the chair, thereby improving the ease of operation of the chair.

Optionally, the leg rest assembly 130 further comprises a foot pedal 134, the foot pedal 134 being slidably connected to the leg rest 131 in a direction away from the cushion frame 111. (not shown in the drawings)

Note that the sliding direction of the footrest 134 is a direction away from the cushion frame 111.

The leg-placing assembly 130 is further provided with a pedal 134 which is connected to the leg-placing frame 131 in a sliding manner, so that the pedal 134 can be folded and unfolded on the leg-placing frame 131 through sliding, a foot supporting part is provided for a user according to needs in the using process, and the comfort of the user is improved.

Optionally, the leg support 133 includes a leg support 1331 and a support link 1332, the leg support 1331 is hinged to the leg support 131, two ends of the support link 1332 are respectively connected to the pedal 134 and the leg support 1331, and the support link 1332 is used for linking the pedal 134 and the leg support 1331. (not shown in the drawings)

The leg support 133 includes a leg support 1331 and a support link 1332, and the leg support 1331 hinged to the leg support 131 is linked to the footrest 134 by the support link 1332, so that the footrest 134 and the leg support 1331 can be installed together, thereby improving the ease of operation of the chair.

Alternatively, as shown in fig. 2, the ends of the two armrest frames 113 away from the cushion frame 111 are each provided with a roller 1131.

The rollers 1131 are disposed at one end of the armrest frame 113 far away from the cushion frame 111, so that the chair can move more conveniently, and the mobility of the chair is improved.

In another aspect of the embodiments of the present invention, there is provided a sharing chair, as shown in fig. 1, including: a shared lock 210 and any of the above chairs, the shared lock 210 being used to lock the articulation of the chair seat assembly 110 and the leg rest assembly 130, and/or the articulation of the chair seat assembly 110 and the backrest assembly 120.

Usually, the shared lock 210 is provided with a two-dimensional code for identification, and a user can identify the two-dimensional code through a mobile phone application to unlock the shared lock 210. After unlocking, the user can switch the chair from the chair configuration to the bed configuration by rotating either the back assembly 120 or the leg assembly 130.

The embodiment of the utility model provides a pair of sharing chair, including sharing lock 210 and adopt foretell chair, can make this sharing chair unblock back convenient and fast more convert the bed form that has higher stability from the seat form into, improve sharing chair's ease of use and convenience.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A chair comprising a seat configuration and a bed configuration, comprising: a seat assembly, a backrest assembly, a leg rest assembly and a connector; the two opposite ends of the seat component are respectively hinged with the backrest component and the leg placing component, the two ends of the connecting piece are respectively connected with the backrest component and the leg placing component, and the connecting piece is used for linking the leg placing component and the backrest component; the chair further comprises a backrest support hinged to the backrest assembly for supporting the backrest assembly in the bed configuration.

2. The chair as claimed in claim 1, wherein the connecting member comprises at least a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hinged by an end portion, the other end of the first connecting rod is connected to the backrest assembly, and the other end of the second connecting rod is connected to the leg rest assembly.

3. A chair as claimed in claim 1 or 2, wherein the back support comprises a support frame and a link; one end of the support frame is hinged to the backrest component, two ends of the connecting rod are respectively hinged to the support frame and the seat component, and the connecting rod is used for linking the backrest component and the support frame.

4. The chair as claimed in claim 3, wherein the seat assembly is provided with a stop plate at the hinged position with the backrest assembly, and the backrest assembly is provided with a spring pull rod and a limit rod; the spring pull rod is connected with the backrest component in a sliding mode along the direction of keeping away from the seat component, the spring pull rod comprises a pull rod and a spring, the limiting rod is connected with the pull rod, the gear plate is provided with a clamping groove, the limiting rod is clamped in the clamping groove in the seat shape, the spring is sleeved on the pull rod, and two ends of the spring are respectively abutted to the limiting rod and the backrest component.

5. A chair as claimed in claim 3, wherein the seat assembly comprises a cushion frame, a cushion and two arm rests, opposite ends of the cushion frame are respectively hinged to the backrest assembly and the leg rest assembly, the two arm rests are respectively disposed at two ends of the cushion frame adjacent to the leg rest assembly, and the cushion is disposed on the cushion frame; the two handrail frames are connected through a reinforcing rod, and the connecting rod is hinged to the reinforcing rod.

6. A chair as claimed in claim 5, wherein the backrest assembly comprises a squab frame and a squab, the squab frame being hingedly connected to an end of the squab frame, the squab being provided on the squab frame, the backrest assembly support being hingedly connected to a side of the squab frame remote from the squab, one end of the connector being hingedly connected to the squab frame.

7. The chair as claimed in claim 6, wherein the leg rest assembly comprises a leg rest hinged to the end of the cushion frame opposite to the cushion frame and a leg rest pad provided on the leg rest, the end of the connecting member remote from the backrest assembly being hinged to the leg rest; the leg placing assembly further comprises a leg placing supporting piece, and the leg placing supporting piece is hinged to the leg placing frame and used for supporting the leg placing frame.

8. The chair as claimed in claim 7, wherein the leg rest is provided as a telescopic frame, the telescopic frame comprises a fixed part and a telescopic part, the fixed part is hinged to the end of the cushion frame opposite to the cushion frame, and the end of the telescopic part is provided with a pedal; put leg support spare including putting leg support and support connecting rod, put leg support articulate in the fixed part, the both ends of support connecting rod connect respectively in the pars contractilis with put on the leg support, the support connecting rod be used for the linkage the pars contractilis with put leg support.

9. The chair as in claim 7, wherein said leg rest assembly further comprises a foot pedal slidably connected to said leg rest in a direction away from said seat cushion; the leg placing support piece comprises a leg placing support and a support connecting rod, the leg placing support is hinged to the leg placing support, two ends of the support connecting rod are respectively connected to the pedal and the leg placing support, and the support connecting rod is used for linking the pedal and the leg placing support.

10. A shared chair, comprising a shared lock for locking the seat assembly and leg assembly articulation of the chair and/or the seat assembly and back assembly articulation of the chair, and a chair according to any one of claims 1 to 9.

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