An electric bed

Abstract

The utility model discloses an electric bed, including a base frame, a support frame installed on the base frame, a bed board frame installed on the support frame, the bed board frame is provided with a seat board, a front leg board, a rear leg board and a back board, the seat board is fixedly mounted on the bed board frame, one side of the front leg board is rotatably connected to the bed board frame, one side of the rear leg board is rotatably connected to the other side of the front leg board, a leg board cylinder, a back board moving cylinder and a back board tilting cylinder are installed at the bottom of the bed board frame, a driving rod of the leg board cylinder is connected to the rear leg board, a leg board connecting rod mechanism is provided on the bed board frame, the leg board connecting rod mechanism is respectively connected to the front leg board and the rear leg board, and the driving rods of the back board moving cylinder and the back board tilting cylinder are both connected to the back board. When the leg board and the back board are lifted, the utility model can automatically retreat and fully stretch to reduce the pressure on the abdomen and improve the comfort, and is particularly suitable for use as a medical bed.

Description

Technical Field

[0001] The utility model relates to a bed, in particular to an electric bed mainly used in the medical field. Background Art

[0002] Electric massage beds have become popular and are loved by consumers all over the world. However, the structure and function of electric beds have not changed much in the past few years. They have always been mainly made of four wooden boards, three of which can move, with massagers for the back and legs. However, no matter how good a product is, it will be out of the market one day, and it is impossible to maintain its brilliant status forever. Therefore, it is necessary to improve the electric bed and add more practical functions to make people feel more comfortable and convenient.

[0003] A Chinese patent authorization announcement number CN202820452U discloses an electric bed with head and waist ejection functions. This patent achieves a lifting effect on the head bed board and the back bed board through a head lifting device and a waist ejection device, but this patent cannot achieve the backward function, and there is a problem of how to effectively achieve the backward movement. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an electric bed which can automatically retreat when the leg board and the back board are lifted, and fully stretch to reduce the pressure on the abdomen.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] An electric bed comprises a base frame, a support frame is mounted on the base frame, a bed board frame is mounted on the support frame, the bed board frame is provided with a seat board, a front leg board, a rear leg board and a back board, the seat board is fixedly mounted on the bed board frame, one side of the front leg board is rotatably connected to the bed board frame, one side of the rear leg board is rotatably connected to the other side of the front leg board, a leg board cylinder, a back board moving cylinder and a back board tilting cylinder are mounted at the bottom of the bed board frame, a driving rod of the leg board cylinder is connected to the rear leg board, a leg board connecting rod mechanism is provided on the bed board frame, the leg board connecting rod mechanism is respectively connected to the front leg board and the rear leg board, and the driving rods of the back board moving cylinder and the back board tilting cylinder are both connected to the back board.

[0007] The leg board linkage mechanism includes a leg board bracket, a first leg board linkage, a second leg board linkage and a third leg board linkage. The leg board bracket is fixedly mounted on the rear leg board, a driving rod of the leg board cylinder is connected to one end of the leg board bracket, one end of the first leg board linkage is rotatably connected to the other end of the leg board bracket, the other end of the first leg board linkage is rotatably mounted to the bed board frame, one end of the second leg board linkage is rotatably connected to the first leg board linkage, the other end of the second leg board linkage is rotatably connected to one end of the third leg board linkage, and the other end of the third leg board linkage is fixedly connected to the front leg board.

[0008] The second connecting rod of the leg plate includes an inner rod and an outer rod. The outer rod is a hollow pipe with a plurality of slots. The inner rod is provided with a clamping column. One end of the inner rod with the clamping column is inserted into the outer rod, and the clamping column is clamped in a certain slot.

[0009] The bed board frame is provided with a leg board sliding groove, and the leg board bracket is equipped with a leg board pulley, which is movably installed in the leg board sliding groove.

[0010] A back plate bracket is fixedly mounted on the back plate, a tilting link is rotatably mounted on the back plate bracket, and the tilting link is rotatably connected to the back plate.

[0011] The bed board frame is provided with a backboard slide groove, the backboard is provided with a backboard shaft, a backboard pulley is provided in the slide groove, a movable connecting rod and a fixed connecting rod are rotatably installed on the backboard shaft, the movable connecting rod is fixedly connected to the backboard pulley, and the fixed connecting rod is rotatably installed with the bed board frame.

[0012] The bottom surface of the front leg board is provided with a roller, and the bed board frame is provided with a roller frame, and the roller is placed on the roller frame.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] The leg board and back board are movable and linked with the seat board. When the leg board and back board are lifted, they can automatically move back and fully stretch to reduce the pressure on the abdomen. It is especially suitable for use as a medical bed to improve the comfort of patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the local structure of the utility model from another perspective. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0019] In the description of the present utility model, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] like Figure 1-3 As shown, an electric bed comprises a base frame 1, a support frame 2 is mounted on the base frame 1, a bed board frame 3 is mounted on the support frame 2, the bed board frame 3 is provided with a seat board 4, a front leg board 5, a rear leg board 6 and a back board 7, the seat board 6 is fixedly mounted on the bed board frame 3, one side of the front leg board 4 is rotatably connected to the bed board frame 3, one side of the rear leg board 5 is rotatably connected to the other side of the front leg board 4, a leg board cylinder 9, a back board moving cylinder 10 and a back board tilting cylinder 11 are mounted at the bottom of the bed board frame 3, a driving rod of the leg board cylinder 9 is connected to the rear leg board 5, a leg board connecting rod mechanism is provided on the bed board frame 3, the leg board connecting rod mechanism is respectively connected to the front leg board and the rear leg board, and the driving rods of the back board moving cylinder and the back board tilting cylinder are both connected to the back board. The back board moving cylinder can be used to push the back board to move horizontally, the back board tilting cylinder helps to achieve the tilt adjustment of the back board, and the leg board cylinder is used to drive the front leg board and the rear leg board to lift and tilt.

[0022] The leg board linkage mechanism includes a leg board bracket 12, a first leg board link 13, a second leg board link 14 and a third leg board link 15. The leg board bracket 12 is fixedly mounted on the rear leg board 5. The driving rod of the leg board cylinder 9 is connected to one end of the leg board bracket 12. One end of the first leg board link 13 is rotatably connected to the other end of the leg board bracket 12. The other end of the first leg board link 13 is rotatably mounted to the bed board frame 3. One end of the second leg board link 14 is rotatably connected to the first leg board link 13. The other end of the second leg board link 14 is rotatably connected to one end of the third leg board link 15. The other end of the third leg board link 15 is fixedly connected to the front leg board 4. The leg board bracket is pushed by the leg board cylinder to cause the rear leg board to be lifted upward. At the same time, the leg board bracket drives the first leg board link to rotate, thereby driving the second leg board link to push the third leg board link upward to lift the front leg board.

[0023] The second connecting rod 14 of the leg board includes an inner rod 142 and an outer rod 141. The outer rod 141 is a hollow pipe with a plurality of slots therein. The inner rod 142 is provided with a clamping column. One end of the inner rod having the clamping column is inserted into the outer rod, and the clamping column is clamped in a certain slot. The assembly length between the inner rod and the outer rod can be adjusted, thereby realizing the adjustment of the overall length of the second connecting rod of the leg board and adjusting the height of the rear leg board.

[0024] In addition, the bed frame 3 is provided with a leg board slot 16, and the leg board bracket 12 is equipped with a leg board pulley 17, which is movably installed in the leg board slot 16. By using the leg board pulley, the front leg board can slide more smoothly when lifted.

[0025] The leg board slide structures are symmetrically arranged on both sides of the bed board frame to ensure that the front leg board has sufficient stability when it is lifted.

[0026] The back plate 7 is fixedly provided with a back plate bracket 18, on which a tilting link 19 is rotatably provided, the tilting link 19 is rotatably connected to the back plate 7, and the driving rod of the tilting cylinder 11 is connected to the back plate bracket 17. The back plate moving cylinder pushes the back plate to move, and the tilting cylinder plays a role of buffering and promoting, so as to realize the movement of the back plate and adjust the tilting angle.

[0027] In addition, the bed frame 3 is provided with a backboard slide 20, the backboard 7 is provided with a backboard shaft, a backboard pulley 21 is provided in the backboard slide 20, a movable link 22 and a fixed link 23 are rotatably mounted on the backboard shaft, the movable link 22 is fixedly connected to the backboard pulley 21, and the fixed link 23 is rotatably mounted on the bed frame 3. The backboard slide can be driven to slide more smoothly.

[0028] The backboard moving cylinder pushes the backboard to move backward, the backboard pulley moves linearly in the slide slot, the movable connecting rod moves toward the fixed connecting rod, and at the same time causes the fixed connecting rod to rotate, thereby adjusting the inclination angle of the backboard.

[0029] The bottom surface of the front leg board 4 is provided with rollers 8, and the bed board frame 3 is provided with a roller frame 24, on which the rollers are placed to facilitate the movement of the front leg board.

[0030] In addition, a lifting structure can be provided for the support frame to adjust the height of the bed frame to meet different usage requirements.

[0031] When the utility model is used, when the front leg board and the rear leg board need to be lifted, the leg board cylinder pushes the leg board bracket to cause the rear leg board to be lifted upward, and at the same time, the leg board bracket drives the first leg board connecting rod to rotate, and then drives the second leg board connecting rod to push the third leg board connecting rod upward to lift the front leg board, so that the front leg board and the rear leg board also move synchronously when lifting upward. The backboard moving cylinder drives the backboard to move, and cooperates with the backboard tilting cylinder to drive the backboard to move and adjust the tilting angle. At the same time, due to the movement of the backboard, the person lying on it can fully stretch to reduce the pressure on the abdomen.

[0032] It should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric bed, comprising a base frame, a support frame mounted on the base frame, a bed board frame mounted on the support frame, characterized in that: The bed board frame is provided with a seat board, a front leg board, a rear leg board and a back board. The seat board is fixedly mounted on the bed board frame, one side of the front leg board is rotatably connected to the bed board frame, one side of the rear leg board is rotatably connected to the other side of the front leg board, a leg board cylinder, a back board moving cylinder and a back board tilting cylinder are installed at the bottom of the bed board frame, a driving rod of the leg board cylinder is connected to the rear leg board, a leg board connecting rod mechanism is provided on the bed board frame, the leg board connecting rod mechanism is respectively connected to the front leg board and the rear leg board, and the driving rods of the back board moving cylinder and the back board tilting cylinder are both connected to the back board.

2. The electric bed according to claim 1, characterized in that: The leg board linkage mechanism includes a leg board bracket, a first leg board linkage, a second leg board linkage and a third leg board linkage. The leg board bracket is fixedly mounted on the rear leg board, a driving rod of the leg board cylinder is connected to one end of the leg board bracket, one end of the first leg board linkage is rotatably connected to the other end of the leg board bracket, the other end of the first leg board linkage is rotatably mounted to the bed board frame, one end of the second leg board linkage is rotatably connected to the first leg board linkage, the other end of the second leg board linkage is rotatably connected to one end of the third leg board linkage, and the other end of the third leg board linkage is fixedly connected to the front leg board.

3. The electric bed according to claim 2, characterized in that: The second connecting rod of the leg plate includes an inner rod and an outer rod. The outer rod is a hollow pipe with a plurality of slots. The inner rod is provided with a clamping column. One end of the inner rod with the clamping column is inserted into the outer rod, and the clamping column is clamped in a certain slot.

4. The electric bed according to claim 2, characterized in that: The bed board frame is provided with a leg board sliding groove, and the leg board bracket is equipped with a leg board pulley, which is movably installed in the leg board sliding groove.

5. The electric bed according to claim 1, characterized in that: A back plate bracket is fixedly mounted on the back plate, a tilting link is rotatably mounted on the back plate bracket, and the tilting link is rotatably connected to the back plate.

6. The electric bed according to claim 5, characterized in that: The bed board frame is provided with a backboard slide groove, the backboard is provided with a backboard shaft, a backboard pulley is provided in the slide groove, a movable connecting rod and a fixed connecting rod are rotatably installed on the backboard shaft, the movable connecting rod is fixedly connected to the backboard pulley, and the fixed connecting rod is rotatably installed with the bed board frame.

7. The electric bed according to claim 2, characterized in that: The bottom surface of the front leg board is provided with a roller, and the bed board frame is provided with a roller frame, and the roller is placed on the roller frame.

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