Back lifting electric bed

Abstract

The utility model discloses a back lifting electric bed which comprises a bed frame, two side plates which are symmetrically arranged left and right are arranged on the bed frame, a first bed plate and a second bed plate are arranged on the side plates in an upper frame mode, the second bed plate is fixedly connected to the side plates, and the first bed plate is hinged to the second bed plate. A plurality of inclined supporting shafts which are arranged at intervals in the front-back direction and arranged below the first bed board are rotationally connected between the side plates, at least one follow-up inclined supporting rod is arranged on any inclined supporting shaft, the ends, not connected with the inclined supporting shafts, of the inclined supporting rods are rotationally connected with supporting guide wheels, and the wheel faces of the supporting guide wheels are tightly attached to the first bed board. A connecting rod of which one end is hinged to the front inclined supporting rod and the other end is hinged to the rear inclined supporting rod is arranged between every two adjacent inclined supporting rods, and an electric push rod of which one end is hinged to the side plate and the other end is hinged to one inclined supporting rod is further included. The electric bed has the advantages that the back plate can be lifted, deformation is not prone to occurring, resetting is smooth, the overall function is complete, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electric bed, more particularly to a back lifting electric bed. BACKGROUND

[0002] The electric bed on the market has the function of back lifting, which is achieved by the extension of the electric push rod, the upward swing of the inclined support, the lifting of the back plate by the support guide wheel on the inclined support, and the back lifting effect. However, the support position is concentrated in one point, the pressure is large, and the bed back plate in the lifting state for a long time is prone to deformation, resulting in uneven bed plate after resetting, affecting use, and poor overall effect. Accordingly, the utility model provides a back lifting electric bed. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art, and provides a back lifting electric bed, which has the characteristics of back plate lifting, non-deformation, and flat resetting.

[0004] To solve the above technical problems, the utility model aims at realizing the following: a back lifting electric bed, which comprises a bed frame, two side plates arranged symmetrically left and right on the bed frame, a first bed plate and a second bed plate mounted on the side plates, the second bed plate being fixedly connected to the side plates, the first bed plate being hingedly connected to the second bed plate, a plurality of inclined support shafts arranged at intervals front and back and arranged below the first bed plate being rotatably connected between the side plates, at least one inclined support rod being arranged on each inclined support shaft to follow the movement, a support guide wheel being rotatably connected to one end of the inclined support rod not connected to the inclined support shaft, the wheel surface of the support guide wheel being in close contact with the first bed plate, a connecting rod being arranged between two adjacent inclined support rods, one end of the connecting rod being hingedly connected to the front inclined support rod, and the other end being hingedly connected to the rear inclined support rod, and an electric push rod being hingedly connected to one end of the side plate and the other end of the inclined support rod.

[0005] The utility model is further provided with at least three inclined support shafts arranged at intervals front and back and rotatably connected between the side plates.

[0006] The utility model is further provided with two adjacent inclined support rods being parallel to each other.

[0007] The utility model is further provided with the number of inclined support shafts being odd, and the electric push rod being connected to the middle inclined support rod.

[0008] The utility model is further provided with the distance between two adjacent inclined support shafts being equal.

[0009] The utility model is further provided with the support guide wheel being a rubber guide wheel.

[0010] In conclusion, the utility model has the following beneficial effects: the back lifting electric bed related to the utility model, through arranging multiple groups of inclined struts which play a supporting role under the back bed plate which can be lifted, the inclined struts are driven through connecting rods, so that the back bed plate can be quickly lifted under the condition of only one power source driving, and the multiple supporting point structure can guarantee that the back bed plate is dispersed in stress and is not easy to deform, the overall function is perfect, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the overall structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0012] In order to make those skilled in the art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model is described below in combination with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, and are not the limitation of the utility model patent claim. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0013] The utility model is further illustrated below in combination with the drawings and the preferred embodiments.

[0014] Embodiment 1

[0015] Referring to Figure 1 The back lifting electric bed related to the embodiment includes a bed frame, two side plates 1 which are arranged symmetrically left and right are arranged on the bed frame, a first bed plate 2 and a second bed plate 3 are arranged on the side plate 1, the second bed plate 3 is fixedly connected on the side plate 1, the first bed plate 2 is hinged on the second bed plate 3, three inclined strut shafts 4 which are arranged in front and back intervals and are arranged below the first bed plate are rotatably connected between the side plates 1, at least one inclined strut 5 which follows is arranged on any inclined strut shaft 4, a support guide wheel 6 is rotatably connected on the end of the inclined strut 5 which is not connected with the inclined strut shaft, the wheel surface of the support guide wheel 6 is close to the first bed plate 2, a connecting rod 7 which is hinged on the front inclined strut on one end and is hinged on the rear inclined strut on the other end is arranged between the adjacent two inclined struts 5, and the back lifting electric bed further includes an electric push rod 8 which is hinged on the side plate 1 on one end and is hinged on an inclined strut 5 on the other end.

[0016] Further, the adjacent two inclined struts 5 are parallel to each other.

[0017] Further, the adjacent two inclined strut shafts 4 are equal in spacing.

[0018] In the embodiment, by operating the electric push rod 8 to be elongated, the inclined support rod 5 connected with the electric push rod 8 is lifted, the lifting is transmitted through the connecting rod 7, all the inclined support rods 5 are lifted at the same time, and the second bed plate 3 hinged on the first bed plate 2 is lifted by the supporting guide wheel 6 at the top of the inclined support rod 5, so that the back bed plate lifting function is realized. Conversely, by operating the electric push rod 8 to be shortened, the bed plate is reset to the flat state through the inter-mechanism transmission.

[0019] Embodiment 2

[0020] Referring to Figure 1 As shown in the figure, the back lifting electric bed in the embodiment is further provided on the basis of the embodiment 1, and the electric push rod 8 is connected to the middlemost inclined support rod 5.

[0021] In the embodiment, by connecting the electric push rod 8 to the middlemost inclined support rod 5, the length of the force arm is moderate, the work is moderate, and the transmission is reliable and stable.

[0022] Embodiment 3

[0023] Referring to Figure 1 As shown in the figure, the back lifting electric bed in the embodiment is further provided on the basis of the embodiment 1, and the supporting guide wheel 6 is a rubber guide wheel.

[0024] In the embodiment, by setting the supporting guide wheel 6 as a rubber guide wheel, the noise is better when the back bed plate is lifted.

[0025] The back lifting electric bed relates to the back lifting electric bed, and multiple groups of inclined support rods for supporting are arranged below the back bed plate which can be lifted. The inclined support rods are driven through connecting rods, so that the back bed plate can be quickly lifted under the condition of only one power source driving, and the multiple supporting point structure can ensure that the back bed plate is not easy to deform and the overall function is perfect.

[0026] Unless otherwise specified, in the utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, the orientation or positional relationship is based on the actual shown orientation or positional relationship, and is only for the convenience of describing the utility model and simplifying the description, and therefore the utility model describes the orientation or positional relationship, which is only used for example, and cannot be understood as the limitation of the patent, and for ordinary skilled person in the art, the embodiment can be combined, and the specific meaning of the above-mentioned terms can be understood according to the specific situation.

[0027] Unless specifically stated and limited otherwise, the terms "set", "connected", and "connected" in the present application should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The above describes the preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A back-lifting electric bed, comprising a bed frame, two side plates arranged symmetrically left and right on the bed frame, a first bed plate and a second bed plate mounted on the side plates, the second bed plate being fixedly connected to the side plates, and the first bed plate being hingedly connected to the second bed plate, characterized in that: The side plates are rotationally connected with several oblique support shafts arranged in front and back intervals and located below the first bed plate, at least one oblique support rod is arranged on any of the oblique support shafts, a support guide wheel is rotationally connected with one end of the oblique support rod not connected with the oblique support shaft, the wheel surface of the support guide wheel is close to the first bed plate, a connecting rod with one end hinged to the front oblique support rod and the other end hinged to the rear oblique support rod is arranged between two adjacent oblique support rods, and an electric push rod with one end hinged to the side plate and the other end hinged to an oblique support rod is further arranged.

2. The electrically powered bed of claim 1, wherein: The side plates are rotationally connected with at least three oblique support shafts arranged in front and back intervals.

3. The electrically powered bed of claim 2, wherein: The two adjacent oblique support rods are parallel to each other.

4. The electrically powered bed of any one of claims 2 or 3, wherein: The number of the oblique support shafts is odd, and the electric push rod is connected to the middle oblique support rod.

5. The electrically powered bed of claim 4, wherein: The distance between the two adjacent oblique support shafts is equal.

6. The power deck of claim 1, wherein: The support guide wheel is a rubber guide wheel.

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