TWI773611B - Foldable electric bed - Google Patents

Abstract

The present invention relates to a foldable electric bed, comprising a base, a pivot seat, a first movable frame and an actuator, the base has a pivot portion, and the pivot seat is pivoted by a first axis It is arranged on the pivot portion, and is limited by a first abutment top and a second abutment top of the pivot portion, and can swing relative to the base between a first position and a second position. The first end of the actuator is pivoted on the pivot seat by a second axis, and the second end of the actuator is pivotally connected to the first movable frame. Thereby, the first movable frame can be driven by the actuator to swing relative to the base. When the pivot seat swings from the first position to the second position, the position of the second axis is raised, so that the overall thickness of the foldable electric bed in the folded state is reduced, so as to achieve a reduced material volume , The effect of convenient transportation and storage.

Description

Foldable electric bed

The present invention relates to an electric bed, in particular to a collapsible electric bed.

Electric bed products have always been bulky and inconvenient to handle. To this end, the industry has developed a collapsible electric bed, which can reduce the volume of materials during transportation by folding. However, the foldable electric bed still has a considerable thickness in the folded state due to the influence of its internal structure and the setting angle of the parts, so that the overall volume cannot be reduced due to a few parts, resulting in inconvenience in handling and storage. room for improvement.

One object of the present invention is to provide a collapsible electric bed, which solves the problems that the existing collapsible electric bed still has a large thickness after being folded, the effect of saving space is limited, and the handling and storage are inconvenient.

In order to achieve the above object, the present invention provides a foldable electric bed, which includes a base, a pivot seat, a first movable frame and an actuator, the base has a pivot portion, and the pivot seat uses a The first axis is pivoted on the pivot portion and can swing relative to the base. The pivoting portion has a first abutting portion on one side of the pivoting portion, and a second abutting portion on the other side of the pivoting portion. The pivoting seat can swing between a first position and a second position, the pivoting seat is in contact with the first abutment top when it is in the first position, and the pivoting seat is in contact with the second position when it is in the second position to the top of the second abutment. The first end of the actuator is pivoted on the pivot seat by a second axis, and the second end of the actuator is pivotally connected to the first movable frame. Thereby, the first movable frame can be driven by the actuator to swing relative to the base. When the pivot seat swings from the first position to the second position, the position of the second axis is raised, so that the overall thickness of the foldable electric bed of the present invention is reduced after being folded.

Through the above-mentioned structural design, the angle of the pivot seat of the foldable electric bed of the present invention can be adjusted, so that the overall thickness of the foldable electric bed after being folded is reduced, so as to achieve the effects of reducing the volume of materials and facilitating transportation and storage. .

The technical content and features of the present invention will be described in detail below with reference to a preferred embodiment in conjunction with the drawings. Please refer to FIG. 1 to FIG. 2 , which is a foldable electric bed 100 provided by a preferred embodiment of the present invention. The foldable electric bed 100 includes a base 1 , a pivot seat 2 , and a first movable bed frame 3 , a second movable frame 31 and an actuator 4 . The base 1 forms the basic structure of the foldable electric bed 100 . In this embodiment, the base 1 includes a pivot portion 11 , a front seat 12 , a rear seat 13 and a plurality of legs 14 . The front seat 12 is composed of a support frame body 121 and a plate body 122 disposed above it. The surface of the plate body 122 can be covered with a cushion (not shown), the rear seat 13 , the first movable frame 3 and the plate body 122 The composition structure of the second movable frame 31 is also similar to the front seat 12 , but the structures of the front seat 12 , the rear seat 13 , the first movable frame 3 and the second movable frame 31 may not have the plates 122 , as long as the A bearing plane on which the mattress can be placed can be formed above. The support frame 121 of the front seat 12 and the support frame 131 of the rear seat 13 are pivotally connected together. The supporting legs 14 are disposed below the supporting frame bodies 121 and 131 of the front seat 12 and the rear seat 13 . In other embodiments of the present invention, the base 1 may not have the feet 14, and the foldable electric bed 100 can be directly placed on a flat surface (eg, the ground or a bed surface).

Please continue to refer to Figure 1A. The pivot base 2 of the foldable electric bed 100 of the present invention can pivot relative to the base 1 by pivoting a first axis P1 on the pivot portion 11 . In this embodiment, the pivot portion 11 is fixed on the bottom side of the support frame body 121 of the front seat 12 . The actuator 4 can be an electric cylinder with a telescopic rod 40 , a pneumatic cylinder or an oil hydraulic cylinder. The actuator 4 has a first end 41 and a second end 42 . The first end 41 is pivoted to the pivot base 2 by a second axis P2 , and the second end 42 is pivotally connected to the first end 42 . Active rack 3. Thereby, the first movable frame 3 can be driven by the actuator 4 to swing relative to the base 1 .

More specifically, in this embodiment, the first movable frame 3 is used to support the user's head, the second movable frame 31 is used to support the user's back, and one end of the second movable frame 31 is used to support the user's back. The front seat 12 of the base 1 is pivotally connected (near the rear end of the foot of the bed), and the other end of the second movable frame 31 (near the front end of the head of the bed) is pivotally connected to the first movable frame 3 . In this way, the first movable frame 3 and the second movable frame 31 can swing upward relative to the front seat 12 of the base 1 together in a state of being parallel and on the same plane to support the entire upper body of the user. At the same time, as shown in FIG. 2 , the first movable frame 3 can also be swung independently relative to the second movable frame 31 and the base 1 to adjust the bearing position of the user's head.

In another embodiment of the present invention, the foldable electric bed 100 does not include the second movable frame 31 , and one end of the support frame body 30 of the first movable frame 3 is directly pivoted with the support frame body 121 of the front seat 12 connected, and can swing up and down relative to the front seat 12 of the base 1 under the drive of the actuator 4 .

In yet another embodiment of the present invention, the pivot portion 11 is fixed on the support frame 131 of the rear seat 13 , and the first movable frame is used to support the user's thigh. The support of the first movable frame One end of the frame is pivotally connected to the pivot portion 11 . Thereby, the first movable frame can swing up and down relative to the rear seat 13 of the base 1 under the driving of the actuator 4 .

Please refer to Figure 3 and Figure 3A. In this embodiment, the pivoting portion 11 fixed on the front seat 12 (the component is only partially shown in FIG. 3 and FIG. 3A ) has a first abutting top 111 and a second abutting top 112 , which are located at The pivot portion 11 is on different sides. The first axis P1 is located between the first abutment portion 111 and the second axis P2. The second abutting portion 112 is located between the first axis P1 and the second axis P2. The position of the first abutment top 111 is higher than the second abutment top 112 , and the height here is based on the direction of the normal placement position of the electric bed. As shown in FIG. 3A , the first abutting portion 111 is formed by at least one curved surface on the rear side of the pivoting portion 11 , the second abutting portion 112 is a horizontal plane on the lower side of the pivoting portion 11 , but the first abutting portion 112 is The implementation of the top 111 and the second abutting top 112 is not limited to the examples here, and the shape of the pivot base 2 can be changed as long as it is a stop structure that can produce a limiting effect. For example, the first abutting top can also be a horizontal plane extending from the rear side of the pivoting portion, and the second abutting portion can also be a curved surface or a protruding structure on the lower side of the pivoting portion.

Please refer to FIG. 4 to FIG. 5A, and please refer to FIG. 3A at the same time. Through the limiting effect of the first abutting top 111 and the second abutting top 112 of the pivoting portion 11 , the swinging motion of the pivot base 2 is limited to a first position S1 and a second position between S2. As shown in FIG. 4 and FIG. 4A , when the pivot base 2 is located at the first position S1 , the pivot base 2 abuts against the first abutment portion 111 of the pivot portion 11 . As shown in FIG. 5A , when the pivot base 2 is located at the second position S2 , the pivot base 2 abuts against the second abutting portion 112 of the pivot portion 11 .

Most importantly, when the pivot seat 2 swings from the first position S1 to the second position S2, the position of the second axis P2 is raised, approaching the front seat 12 to the plate body of the front seat 12 There is a vertical distance D2 between 122, and the vertical distance D2 is smaller than the vertical distance D1 between the second axis P2 and the plate body 122 of the front seat 12 when the second axis P2 is located at the first position S1 (as shown in FIG. 4A ), so that the The overall thickness of the foldable electric bed 100 in the folded state is reduced, which solves the problems in the prior art that the overall thickness of the electric bed is still large after being folded, resulting in inconvenient handling and high transportation costs, thereby achieving the purpose of the present invention.

To sum up, the foldable electric bed 100 of the present invention has the pivot seat 2 that can swing relative to the base 1 for the actuator 4 to be installed, and the position of the second axis P2 can be adjusted In order to be closer to the base 1 , the foldable electric bed 100 after being folded becomes thinner and the overall packaging volume is reduced. Compared with the conventional structure, the foldable electric bed 100 of the present invention has the functions of reducing the volume of materials and facilitating transportation and storage.

Based on the spirit of the present invention, the structure of the electric bed 100 can be changed. For example, the base 1 can be a one-piece structure extending from the head of the bed to the end of the bed, and there is no distinction between the front seat and the rear seat. The pivot seat 2 is used to rotate The pendulum can also reduce the packing volume of the electric bed. All such simple structural modifications or changes made without departing from the spirit of the present invention shall be covered by the scope of the patent application of the present invention.

100: Foldable electric bed 1: Base 11: Pivot part 111: The first to the top 112: The second touches the top 12: Front seat 121, 131, 30: Support frame 122: Board body 13: Back Seat 14: feet 2: Pivot seat 3: The first movable rack 31: Second movable rack 4: Actuator 40: Telescopic rod 41: First End 42: Second End P1: The first axis P2: The second axis D1, D2: vertical distance S1: First position S2: Second position

1 is a perspective view of a retractable electric bed according to a preferred embodiment of the present invention; 1A is a perspective view of the foldable electric bed shown in FIG. 1 viewed from another angle; FIG. 2 is a perspective view of the foldable electric bed shown in FIG. 1 in another use state. 3 is a schematic structural diagram of some parts of the collapsible electric bed according to a preferred embodiment of the present invention; 3A is an exploded perspective view of some parts shown in FIG. 3; 4 is a perspective view of the foldable electric bed shown in FIG. 1 in a horizontal state; 4A is a schematic structural diagram of the foldable electric bed shown in FIG. 4; 5 is a perspective view of the foldable electric bed shown in FIG. 1 after being folded; Fig. 5A is a schematic cross-sectional view taken along the line A-A' in Fig. 5 .

100: Foldable electric bed

1: Base

11: Pivot part

12: Front seat

121, 131, 30: Support frame

13: Back Seat

14: feet

2: Pivot seat

3: The first movable rack

31: Second movable rack

4: Actuator

P1: The first axis

P2: The second axis

Claims (10)

A collapsible electric bed, comprising: a base; a pivot seat, pivoted on the base by a first axis, and can swing relative to the base; a first movable rack; and an actuator, which has a first end and a second end, the first end is pivoted on the pivot seat by a second axis, and the second end is pivotally connected with the first movable frame; Thereby, the first movable frame can be driven by the actuator to swing relative to the base. The foldable electric bed of claim 1, wherein the base has a pivot portion for the first axis to be disposed, a first abutting portion located on one side of the pivot portion, and a second abutting portion On the other side of the pivoting portion, the pivoting seat can swing between a first position and a second position, the pivoting seat abuts against the first abutting top when it is in the first position, the When the pivot seat is located at the second position, it abuts against the second abutting top. The foldable electric bed of claim 2, wherein the first axis is located between the first abutment and the second axis, and the second abutment is located between the first axis and the second axis between the axes. The foldable electric bed as claimed in claim 2, wherein when the pivot seat swings from the first position to the second position, the position of the second axis is raised. The foldable electric bed according to claim 2, wherein the position of the first abutting top is higher than the second abutting top. The retractable electric bed as claimed in claim 5, wherein the second abutting portion is a horizontal plane. The foldable electric bed according to any one of claims 1 to 6, wherein the base includes a front seat and a rear seat that are pivotally connected together. The foldable electric bed as claimed in claim 7, wherein the base further includes a plurality of legs disposed on the front seat and the rear seat. The foldable electric bed according to any one of claims 1 to 6, wherein one end of the first movable frame is pivotally connected to the base. The foldable electric bed according to any one of claims 1 to 6, further comprising a second movable frame whose two ends are pivotally connected to the base and the first movable frame, respectively.

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