CN110025160A - Folding electric bed - Google Patents

Abstract

The present invention is a foldable electric bed, comprising a first unit, a second unit and a hinge, wherein the first unit has a first fixed frame, a first movable frame pivotally connected to the first fixed frame, and a first actuator; the second unit has a second fixed frame, a second movable frame pivotally connected to the second fixed frame, and a second actuator, wherein the top surfaces of the first unit and the second unit are located in the same imaginary plane; the hinge has a first connecting portion disposed on the first fixed frame, and a second connecting portion disposed on the second fixed frame, the first connecting portion and the second connecting portion can rotate around a central axis, the central axis is located above the imaginary plane, so that the top surface of the first unit is close to the top surface of the second unit after folding. In this way, the electric bed can reduce the volume after folding, facilitate transportation and storage, and can be used in conjunction with traditional beds.

Description

foldable electric bed

technical field

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

Background technique

The general electric bed includes a fixed frame, a movable frame and a mattress, which can lift the user's back, legs, or lift the body up and down. Originally, electric beds were mostly used by hospitals or people with disabilities. With today's pursuit of a more comfortable life However, the traditional electric bed has a considerable volume and weight, which brings a lot of inconvenience in handling and storage, and many consumers have traditional beds at home. The sales of electric beds are faced with difficulties. In order to facilitate storage and handling, there are already detachable electric beds on the market. However, the process of disassembly is quite time-consuming, and the commercially available electric beds can only be used alone and cannot be used with traditional beds, which makes the sales volume of electric beds unable to increase. Therefore, how to design a bed that can reduce the volume, facilitate handling and storage, and allow users to freely choose to use it alone or with traditional bedding has become a goal of the industry.

SUMMARY OF THE INVENTION

An object of the present invention is to provide a foldable electric bed, which has a light and thin structure, can reduce the volume of materials after being folded, and is convenient for handling and storage. Another object of the present invention is to provide a foldable electric bed, which can be used in combination with a traditional bed in addition to being used alone.

In order to achieve the above object, the foldable electric bed of the present invention includes a first unit, a second unit and a hinge, the first unit has a first fixed frame, a first movable frame and the first fixed frame pivot connected, and a first actuator is pivoted on the first fixed frame and the first movable frame at its two ends; the second unit has a second fixed frame, a second movable frame and the second fixed frame pivoting, and a second actuator is pivoted at both ends of the second fixed frame and the second movable frame, wherein the top surfaces of the first unit and the second unit are located on the same imaginary plane; the hinge There is a first connecting part set on the first fixing frame, and a second connecting part set on the second fixing frame, the first connecting part and the second connecting part can rotate around a central axis, the central axis is located at the Above the imaginary plane, the top surface of the first unit is close to the top surface of the second unit after the foldable electric bed is folded. Therefore, the foldable electric bed can be folded to reduce the volume, facilitate handling and storage, and can be used in combination with traditional bedding in addition to being used alone.

Description of drawings

1 is a perspective view of a foldable electric bed according to a preferred embodiment of the present invention;

2 is a side view of a foldable electric bed according to a preferred embodiment of the present invention;

3 is an exploded view of a foldable electric bed according to a preferred embodiment of the present invention;

4 is a perspective view of the action of the foldable electric bed according to a preferred embodiment of the present invention;

5 is a schematic diagram of a folded state of a foldable electric bed according to a preferred embodiment of the present invention.

【Symbol Description】

1 foldable electric bed

10 The first unit 11 The first fixed frame 12 The first movable frame

14 The first actuator 15 The first cylinder

16 The first shaft 17 The first screw hole

19 Middle screw hole S1 top surface

S3 Bottom

20 The second unit 21 The second fixed frame 22 The second movable frame

23 Front frame 24 Second actuator

25 Second cylinder 26 Second shaft

27 rear frame 28 link

29 Second screw hole S2 top surface

S4 underside

30 hinge 32 first connection part 34 second connection part

35 Center axis 36 Pivot

42 The first leg 43 The first bolt part

44 Intermediate pillar 45 Intermediate bolt part

46 Second leg 47 Second bolt part

48 to the top

50 positioning pieces

Detailed ways

The technical content and features of the present invention will be described in detail below through a preferred embodiment in conjunction with the accompanying drawings. As shown in Figures 1 to 2, it is a foldable electric bed 1 provided by a preferred embodiment of the present invention. The electric bed 1 includes a first unit 10 , a second unit 20 , two hinges 30 , two first legs 42 , two middle legs 44 , two second legs 46 and a positioning member 50 . The foldable electric bed A mattress (not shown) can be placed on top of 1.

The first unit 10 has a first fixed frame 11 , a first movable frame 12 pivotally connected to the first fixed frame 11 at its rear end (ie, close to the left side in FIG. 1 ), and a first actuator 14 to Both ends are pivoted on the first fixed frame 11 and the first movable frame 12 , a top surface S1 and a bottom surface S3 , and the first movable frame 12 can be driven by the first actuator 14 to be opposite to the first movable frame 12 . The fixing frame 11 rotates between a horizontal position (FIG. 1) and an inclined position (FIG. 4), wherein the first actuator 14 has a first cylinder 15 and a first shaft 16, the first shaft The rod 16 is telescopically mounted on the first cylinder 15 , the front end of the first cylinder 15 is pivoted on the first movable frame 12 , and the rear end of the first shaft 16 is pivoted on the first fixed frame 11 , when the first shaft 16 extends from the first cylinder 15 to extend the first actuator 14 , the first movable frame 12 swings upward relative to the first fixed frame 11 , on the contrary , when the first shaft 16 retracts into the first cylinder 15 to shorten the first actuator 14 , the first movable frame 12 swings downward relative to the first fixed frame 11 . The first fixing frame 11 also includes two first screw holes 17 disposed on the two sides of the front (ie, the right side in FIG. 3 ), and two middle screw holes 19 disposed behind it (ie, the left side in FIG. 3 ). On the side, the screw holes 17 and 19 are respectively screwed with the two first legs 42 and the two middle legs 44 . In this embodiment, the position of the first movable frame 12 corresponds to the user's back.

The second unit 20 has a second fixed frame 21 , a second movable frame 22 pivotally connected to the second fixed frame 21 at its front end (ie, close to the right side in FIG. 1 ), and a second actuator 24 with its front end Both ends are pivoted on the second fixed frame 21 and the second movable frame 22 , the two connecting rods 28 , a top surface S2 and a bottom surface S4 , and the second movable frame 22 can be driven by the second actuator 24 to Relative to the second fixed frame 21 , it rotates between a horizontal position (as shown in FIG. 1 ) and an inclined position (as shown in FIG. 4 ), wherein the second movable frame 22 has a front frame 23 and a rear frame 27 . The front end of the frame 23 is pivotally connected to the second fixing frame 21 , the rear end of the front frame 23 is pivotally connected to the front end of the rear frame 27 , the second actuator 24 has the same structure as the first actuator 14 , the The second actuator 24 has a second cylinder 25 and a second shaft 26 , the front end of the second cylinder 25 is disposed on the front frame 23 of the second movable frame 22 , and the rear end of the second shaft 26 Pivoted to the second fixing frame 21 , the two links 28 are pivoted to the second fixing frame 21 and the rear frame 27 at both ends thereof, whereby when the second actuator 24 drives the front frame 23 When swinging upward relative to the second fixing frame 21 and together with the rear frame 27, the second link 28 also pivots upward to lift the rear end of the rear frame 27 upward. The second fixing frame 21 also There are two second screw holes 29 disposed on two sides of the rear (ie, the left side in FIG. 2 ), and the two second screw holes 29 are respectively screwed with the two second pillars 46 . In this embodiment, the position of the front frame 23 corresponds to the user's thigh, and the position of the rear frame 27 corresponds to the user's lower leg.

The top surface S1 of the first unit 10 and the top surface S2 of the second unit 20 are located on the same imaginary plane, and the bottom surface S3 of the first unit 10 and the bottom surface S4 of the second unit 20 are located on the same imaginary plane. .

It should be noted that the pivoting positions of the two ends of the first and second actuators 14 and 24 have a height difference respectively, so that the first and second actuators 14 and 24 can generate sufficient torque to allow the first and second actuators 14 and 24 to generate sufficient torque. The two movable frames 12 and 22 are rotated, and it can be seen from FIGS. 2 and 4 that no matter the first and second movable frames 22 are in the horizontal position or the inclined position, the first and second actuators 24 do not protrude from these tops. Surfaces S1, S2 and these bottom surfaces S3, S4.

Please also refer to FIG. 3 , the hinge 30 has a first connecting portion 32 and a second connecting portion 34 . The first connecting portion 32 is disposed on the rear side of the first fixing frame 11 , and the second connecting portion 34 is disposed on the rear side of the first fixing frame 11 . On the front side of the second fixing frame 21, the first connecting portion 32 and the second connecting portion 34 can rotate around a central axis 35, the central axis 35 is located above the imaginary plane. In this embodiment, the hinge 30 It also includes a pivot shaft 36 extending along the central axis 35 between the first connecting portion 32 and the second connecting portion 34, and the foldable electric bed 1 has two hinges 30. In other embodiments, The number and structure of the hinges 30 may be changed in other ways, for example, the pivot 36 may not be provided.

These legs 42 , 44 , and 46 have the same structure. Each of the first legs 42 has a first bolt portion 43 extending upward for screwing with the first screw hole 17 of the first fixing frame 11 . Each of the middle legs The column 44 extends upward with a middle bolt portion 45 for screwing with the middle screw hole 19 of the first fixing frame 11 , and each second leg 46 extends upward with a second bolt portion 47 for fixing with the second The second screw holes 29 of the frame 21 are screwed together, wherein each of the middle legs 44 is located between a first leg 42 and a second leg 46 , and each of the middle legs 44 has a top 48 attached to it. against the bottom surface S4 of the second unit 20 . In other embodiments, each of the legs and each of the fixing brackets can be connected together by other structures such as snap connection, pivot connection and the like.

The positioning member 50 is detachably disposed on the rear side of the rear frame 27 to avoid displacement of the mattress. In other embodiments, the positioning member 50 may be more than two or may not be provided.

When accommodating the electric bed 1, the first unit 10 and the second unit 20 need to be restored to a horizontal position first, as shown in FIG. 1, and the positioning member 50, the two first legs 42, the two middle legs After the column 44 and the second leg column 46 are disassembled, the electric bed 1 can be folded upward with the central axis 35 as the axis (as shown in FIG. 5 ), so that the top surface S1 of the first unit 10 is close to the second The top surface S2 of the unit 20, and the positioning member 50 and the legs 42, 44, 46 can be placed in the gap between the first unit 10 and the second unit 20, so that the size of the electric bed 1 can be greatly reduced. Volume, and the appearance is flat and easy to package, convenient for handling, storage and storage.

In addition, after the foldable electric bed 1 provided by the present invention is placed on the mattress, the first legs 42, the middle legs 44 and the second legs 46 can evenly distribute the weight of the mattress and the user. In particular, the middle legs 44 can support the weight of the first unit 10 and the second unit 20 at the same time, so as to provide the user with the function of using the electric bed 1 alone. If used in conjunction with a traditional bed, the foot posts 42, 44, 46 can be disassembled so that the electric bed 1 can be directly placed on a traditional bed or other planes. The bottom surfaces S3 and S4 are located on the same plane without any protrusions, so they can be stably placed on traditional bedding or other planes. On the contrary, although the hinge 30 is formed by the first unit 10 and the second unit 20 The top surfaces S1 and S2 of the electric bed 1 protrude upward, but due to the mattress cushioning on the top, it will not make the user feel uncomfortable. Furthermore, since the overall thickness of the electric bed 1 is only about 10 cm, even if it is placed on a traditional bed , After adding the mattress, the overall height will not exceed the general usage habits. In other words, the electric bed 1 of the present invention can not only be folded to reduce the volume, but also can be used alone or in combination with a traditional bed, which can effectively improve the deficiencies of the conventional structure, thereby achieving the purpose of the present invention.

Based on the design spirit of the present invention, the structure of the foldable electric bed 1 can have other changes, for example, the first legs 42 , the middle legs 44 and the second legs 46 can be omitted, the first unit The positions of 10 and the second unit 20 can be interchanged back and forth; the middle leg 44 can be set on the second fixing frame 21 and has an abutting top 48 abutting against the bottom surface S3 of the first unit 10; the first unit 10 and the top surfaces S1 and S2 of the second unit 20 can be provided with mesh cloth, which can not only disperse the weight of the mattress and the user, but also increase the friction between the foldable electric bed 1 and the mattress, so as to Avoid displacement of the mattress. Any 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.

Claims (8)

1. a foldable electric bed, is characterized in that, comprises: A first unit, comprising a first fixed frame, a first movable frame pivotally connected to the first fixed frame, and a first actuator pivoted at both ends of the first fixed frame and the first movable frame shelf; a second unit, having a second fixed frame, a second movable frame pivotally connected to the second fixed frame, and a second actuator pivoted at both ends of the second fixed frame and the second movable frame a rack, wherein the top surfaces of the first unit and the second unit are located on the same imaginary plane; and a hinge, which has a first connecting part on the first fixing frame, and a second connecting part on the second fixing frame, the first connecting part and the second connecting part can rotate around a central axis, the The central axis is located above the imaginary plane, so that the top surface of the first unit is close to the top surface of the second unit after the foldable electric bed is folded. 2 . The foldable electric bed of claim 1 , wherein the hinge further comprises a pivot shaft extending along the central axis between the first connecting portion and the second connecting portion. 3 . 3 . The foldable electric bed of claim 1 , wherein the first movable frame is driven by the first actuator to rotate relative to the first fixed frame between a horizontal position and an inclined position. 4 . . 4 . The foldable electric bed of claim 1 , wherein the second movable frame is driven by the second actuator to rotate relative to the second fixed frame between a horizontal position and an inclined position. 5 . . 5 . The foldable electric bed of claim 1 , further comprising two first legs disposed on the first fixed frame, two second legs disposed on the second fixed frame, and two middle legs. 6 . The legs are arranged on the first fixing frame, wherein each of the middle legs is located between a first leg and a second leg, and each of the middle legs has an abutting top abutting against the second leg A bottom surface of the holder. 6 . The foldable electric bed according to claim 5 , wherein each of the first legs extends upward with a first bolt portion, the first bolt portion is screwed with the first fixing frame, and each of the An intermediate bolt portion extends upward from the middle leg, the middle bolt portion is screwed with the first fixing frame, and each second leg extends upward with a second bolt portion, and the second bolt portion is fixed to the second bracket. frame screw connection. 7 . The foldable electric bed of claim 1 , further comprising two first legs disposed on the first fixed frame, two second legs disposed on the second fixed frame, and two middle legs. 8 . The legs are arranged on the second fixing frame, wherein each of the middle legs is located between a first leg and a second leg, and each of the middle legs has an abutting top abutting against the first leg A bottom surface of the holder. 8 . The foldable electric bed of claim 7 , wherein each of the first legs extends upward with a first bolt portion, the first bolt portion is screwed with the first fixing frame, and each of the A middle bolt portion extends upward from the middle leg, the middle bolt portion is screwed with the second fixing frame, and each second leg extends upward with a second bolt portion, and the second bolt portion is fixed with the second fixing frame. frame screw connection.