Zero-wall electric chair base assembly

Abstract

The utility model discloses a kind of zero wall electric chair base assemblies, comprising: fixed plate, extension plate, rotary connection component;The extension plate is located at one end of fixed plate;The rotary connection component includes first U-shaped piece, second U-shaped piece and first connecting piece, the first connecting piece is rotatably connected with first U-shaped piece and second U-shaped piece, and the first U-shaped piece and second U-shaped piece are fixedly connected with extension plate and fixed plate respectively, so that extension plate and fixed plate are rotatably connected along a direction, the utility model has the advantages of guaranteeing stability while reducing packaging size.

Description

Technical Field

[0001] This utility model belongs to the field of electric chair technology, specifically relating to a zero-wall electric chair, and more particularly to a zero-wall electric chair base assembly. Background Technology

[0002] Electric sofas have gained widespread attention for improving user comfort. An electric chair typically includes a base, seat frame, back support, and leg support. The seat frame is located on the base, while the back support and leg support are located at the front and rear ends of the seat frame, respectively. To prevent the back support from rubbing against the wall when reclined, existing electric chairs move the entire seat frame forward when adjusting the back support angle, causing the seat frame to pull the back support away from the wall. This design shifts the chair's center of gravity during use, requiring a certain base length to maintain stability and prevent tipping. However, a large base takes up significant space and increases transportation costs during packing and shipping. To reduce packaging size, a zero-wall-adhesion electric chair base assembly is proposed. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art.

[0004] Therefore, this utility model proposes a zero-wall-leaning electric chair base assembly, which has the advantages of ensuring stability while reducing packaging size.

[0005] The zero-wall electric chair base assembly according to an embodiment of the present utility model includes: a fixed plate, an extension plate, and a rotating connection assembly; the extension plate is located at one end of the fixed plate; the rotating connection assembly includes a first U-shaped member, a second U-shaped member, and a first connecting member, the first connecting member rotatably connecting the first U-shaped member and the second U-shaped member, the first U-shaped member and the second U-shaped member respectively fixedly connecting the extension plate and the fixed plate, so that the extension plate and the fixed plate are rotatably connected in one direction.

[0006] According to one embodiment of the present invention, teeth are provided on the opposite surfaces of the fixing plate and the extension plate, and the fixing plate and the extension plate are connected by the meshing of the teeth; multiple teeth are provided along the height direction to avoid the fixing plate and the extension plate being bent in the vertical direction.

[0007] According to one embodiment of the present invention, the fixing plate is a long strip structure, the number of fixing plates is at least two, and the number of extension plates is the same as the number of fixing plates, and they correspond one-to-one.

[0008] According to one embodiment of this utility model, at least two of the fixing plates are spaced apart along the width direction of the electric chair. That is, the extension plate, the fixing plate, and the rotating connecting assembly constitute a longitudinal beam assembly. At least two longitudinal beam assemblies can reduce the width requirement of the longitudinal beam assembly, thereby reducing the overall weight while ensuring stability.

[0009] According to one embodiment of the present invention, a crossbeam assembly is connected between at least two of the fixed plates.

[0010] According to one embodiment of the present invention, at least two of the rotary connecting components rotate inward. That is, when there are two fixed plates, the rotation directions of the two rotary connecting components are set opposite to each other, so that the bent extension plate is located between the two fixed plates, avoiding increasing the width dimension beyond the two fixed plates.

[0011] According to one embodiment of the present invention, both the fixing plate and the extension plate are provided with feet for contacting the ground or other supporting surfaces.

[0012] According to one embodiment of the present invention, the first U-shaped member is provided with a locking structure, and the second U-shaped member is provided with a groove adapted to the locking structure. By engaging the locking structure with the groove, the rotating connecting component is locked and fixed in the folded state and the unfolded state.

[0013] According to one embodiment of the present invention, the locking structure includes a U-shaped pull ring, a second connecting member, and an elastic member; the first U-shaped member is provided with a pair of opposing first wings, the first wings are provided with a groove in the middle, and one end of the first wings is also provided with a second lug; the second connecting member passes through the groove to connect the U-shaped pull ring and the first U-shaped member; one end of the elastic member is hooked to the second connecting member, and the other end is hooked to the second lug.

[0014] According to one embodiment of the present invention, the second U-shaped member is provided with a pair of opposing second wings, and the arc-shaped edges of the second wings are provided with a first arc-shaped groove and a second arc-shaped groove for accommodating the second connector.

[0015] The beneficial effect of this utility model is that by adding an extension plate, the size of the longitudinal beam assembly is increased, making the sofa less likely to tip over even if the center of gravity changes in various usage states, thus improving the stability of the electric chair. By using a rotating connecting assembly to connect the fixed plate and the extension plate, the size of the packaging box does not need to be increased during packaging, reducing transportation costs and saving storage space.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention.

[0017] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments with accompanying drawings, in which: Figure 1 This is a top view of the overall structure of this utility model; Figure 2 This is a three-dimensional schematic diagram of the overall structure of this utility model; Figure 3 This is a top view of the extended plate of the overall structure of this utility model in its folded state; Figure 4 This is a schematic diagram of the inner side of the rotating connection component structure of this utility model; Figure 5 This is a three-dimensional schematic diagram of the first U-shaped component structure of this utility model; Figure 6 This is a three-dimensional schematic diagram of the second U-shaped component structure of this utility model; Figure 7 This is a three-dimensional schematic diagram of the connection between the first U-shaped component and the elastic component of this utility model; Figure label: 100. Base assembly; 110. Crossbeam assembly; 112. First L-shaped crossbeam; 114. Second L-shaped crossbeam; 120. Longitudinal beam assembly; 122. Foot; 124. Extension plate; 126. Fixing plate; 128. Rotary connection assembly; 130. First U-shaped component; 132. Second U-shaped component; 134. First connector; 136. U-shaped pull ring; 138. Second connector; 140. Elastic component; 142. First flying wing; 144. Slide groove; 146. Second lug; 150. Second flying wing; 152. First arc-shaped groove; 154. Second arc-shaped groove; 156. Connecting hole; 160. First lug. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0020] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] The zero-wall electric chair base assembly of this utility model embodiment is described in detail below with reference to the accompanying drawings.

[0023] like Figures 1-7 As shown, the zero-wall electric chair base assembly 100 according to an embodiment of the present invention includes: a base assembly 100, including a crossbeam assembly 110, a pair of opposing longitudinal beam assemblies 120 connected to both ends of the crossbeam assembly 110, and four feet 122 located at the ends of the pair of opposing longitudinal beams. The four feet 122 are fixedly connected to the four ends of the pair of opposing longitudinal beam assemblies 120 and are used to contact the ground or other supporting surfaces.

[0024] The crossbeam assembly 110 includes at least one crossbeam. Specifically, the crossbeam can have various cross-sectional shapes, such as T-shaped crossbeams, L-shaped crossbeams, rectangular crossbeams, trapezoidal crossbeams, etc. In this embodiment, it includes a pair of oppositely arranged first L-shaped crossbeams 112 and a pair of oppositely arranged second L-shaped crossbeams 114.

[0025] The longitudinal beam assembly 120 is fixedly connected to both ends of the transverse beam assembly 110. The longitudinal beam assembly 120 includes a fixed plate 126, an extension plate 124, and a rotating connecting assembly 128 connecting the fixed plate 126 and the extension plate 124. The fixed plate 126 and the extension plate 124 are engaged at their contact ends. Specifically, the contact ends of the fixed plate 126 and the extension plate 124 are provided with teeth along the height direction, so that no vertical displacement occurs when the fixed plate 126 and the extension plate 124 are engaged. The contact ends of the fixed plate 126 and the extension plate 124 are also provided with first lugs 160 of the same height. When the base assembly 100 is in use, the first lugs 160 can rest on the ground together with the base feet 122, which serves to support the base assembly 100 and prevent deformation of the rotating connecting assembly 128 and the connection between the fixed plate 126 and the extension plate 124.

[0026] By adding an extension plate 124, the size of the longitudinal beam assembly 120 is set to be larger than the longitudinal dimension of the electric chair, so that the sofa is not easy to tip over when the center of gravity changes during deformation, thus improving the stability of the electric chair. The rotating connection assembly 128 connects the fixed plate 126 and the extension plate 124, so that the size of the packaging box does not need to be increased during packaging, reducing transportation costs and saving storage space.

[0027] Specifically, the rotating connection assembly 128 includes a first U-shaped member 130, a second U-shaped member 132, and a first connector 134. The first U-shaped member 130 and the second U-shaped member 132 are hinged together by the first connector 134. The first U-shaped member 130 and the second U-shaped member 132 are fixed to the extension plate 124 and the fixed plate 126 respectively through the connecting hole 156, so that the extension plate 124 can rotate and fold inward relative to the fixed plate 126.

[0028] To enable the rotating connection assembly 128 to switch between a fixed angle state and an adjustable state, a U-shaped pull ring 136, a second connector 138, and an elastic element 140 are also provided. Specifically, the first U-shaped component 130 has a pair of opposing first wings 142, with a groove 144 in the middle of each wing 142. One end of each wing 142 has a second lug 146. The second connector 138 passes through the groove 144 to connect the U-shaped pull ring 136 to the first U-shaped component 130. One end of the elastic element 140 is attached to the second connector 138, and the other end is attached to the second lug 146. The second wing 150 on the second U-shaped component 132 has a first arc-shaped groove 152 and a second arc-shaped groove 154 at its arc-shaped edge to accommodate the second connector 138.

[0029] When the rotating connecting assembly 128 is in the unfolded state, the outer sides of the first U-shaped member 130 and the second U-shaped member 132 are coplanar, and the corresponding fixing plate 126 and extension plate 124 are also coplanar, and the fixing plate 126 and extension plate 124 are engaged. The second connecting member 138 is restricted within the second arc-shaped groove 154 due to the tension of the elastic member 140, and will not fold freely. Only when the pulling force of the U-shaped pull ring 136 is greater than the pulling force of the elastic member 140 can the second connecting member 138 be driven to move backward in the slide groove 144, get rid of the restriction of the second arc-shaped groove 154, and slide along the arc on the arc edge of the second flying wing 150. The movement of the second connecting member 138 along the arc drives the first U-shaped member 130 to rotate around the first connecting member 134 relative to the second U-shaped member 132. When the second connecting member 138 reaches the first arc-shaped groove 152, it falls into the first arc-shaped groove 152 due to the break of the arc. The second connecting member 138 moves forward in the slide groove 144. At this time, the outer sides of the first U-shaped member 130 and the second U-shaped member 132 are no longer coplanar, and the extension plate 124 is in a folded state relative to the fixed plate 126. When the second connector 138 is located in the first arc-shaped groove 152 or the second arc-shaped groove 154, the rotating connection assembly 128 is in a locked state. This state can only be unlocked by applying an outward pulling force to the U-shaped pull ring 136, allowing the longitudinal beam assembly 120 to be adjusted to unfold or fold.

[0030] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A zero-wall-adhesion electric chair base assembly, characterized in that, include: Fixing plate (126); An extension plate (124) is located at one end of a fixed plate (126); A rotating connection assembly (128) includes a first U-shaped member (130), a second U-shaped member (132), and a first connector (134). The first connector (134) rotatably connects the first U-shaped member (130) and the second U-shaped member (132). The first U-shaped member (130) and the second U-shaped member (132) are respectively fixedly connected to an extension plate (124) and a fixed plate (126), so that the extension plate (124) and the fixed plate (126) are rotatably connected in one direction.

2. The zero-wall-adhesion electric chair base assembly according to claim 1, characterized in that, The fixing plate (126) and the extension plate (124) are provided with teeth on their opposite surfaces, and the fixing plate (126) and the extension plate (124) are connected by the meshing of the teeth.

3. The zero-wall-adhesion electric chair base assembly according to claim 2, characterized in that, The fixing plate (126) is a long strip structure, and there are at least two fixing plates (126). The number of extension plates (124) is the same as the number of fixing plates (126), and they correspond one-to-one.

4. The zero-wall-adhesion electric chair base assembly according to claim 3, characterized in that, At least two of the aforementioned fixing plates (126) are spaced apart along the width direction of the electric chair.

5. The zero-wall-adhesion electric chair base assembly according to claim 4, characterized in that, A beam assembly (110) is connected between at least two of the fixed plates (126).

6. The zero-wall-adhesion electric chair base assembly according to claim 3, characterized in that, At least two of the said rotary connection components (128) rotate inward.

7. The zero-wall-adhesion electric chair base assembly according to claim 1, characterized in that, Both the fixed plate (126) and the extension plate (124) have feet (122) formed on them, which are used to contact the ground or other supporting surfaces.

8. The zero-wall-adhesion electric chair base assembly according to claim 1, characterized in that, The first U-shaped component (130) is provided with a locking structure, and the second U-shaped component (132) is provided with a groove that matches the locking structure. The rotating connecting component (128) is locked and fixed in the folded and unfolded states by engaging the locking structure with the groove.

9. The zero-wall-adhesion electric chair base assembly according to claim 8, characterized in that, The locking structure includes a U-shaped pull ring (136), a second connector (138), and an elastic element (140); the first U-shaped element (130) is provided with a pair of opposing first wings (142), the first wings (142) are provided with a groove (144) in the middle, and one end of the first wings (142) is also provided with a second lug (146). The second connector (138) passes through the groove (144) to connect the U-shaped pull ring (136) and the first U-shaped element (130). One end of the elastic element (140) is hooked to the second connector (138), and the other end is hooked to the second lug (146).

10. The zero-wall-adhesion electric chair base assembly according to claim 9, characterized in that, The second U-shaped member (132) is provided with a pair of opposing second wings (150), and the arc-shaped edge of the second wings (150) is provided with a first arc-shaped groove (152) and a second arc-shaped groove (154) for accommodating the second connector (138).

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