Lifting device of bed frame

Abstract

The utility model discloses a bed frame lifting device which comprises a bottom frame, a first end lifting mechanism and a second end lifting mechanism are arranged on the bottom frame, the first end lifting mechanism comprises a first linear driving device and a first bottom cross rod, and the first bottom cross rod is connected with a bed frame through a first bottom supporting piece, a first connecting piece and a first top supporting piece which are connected end to end on the same side. A first driving cross rod is arranged between the first connecting pieces, and a driving rod of the first linear driving device is connected with a driving arm on the first driving cross rod; the second end lifting mechanism comprises a second linear driving device and a second bottom cross rod, the second bottom cross rod is connected with the bed frame through a second bottom supporting piece, a rotary supporting piece, second connecting pieces and a second top supporting piece which are connected end to end on the same side, and a second driving cross rod is arranged between the second connecting pieces; and a driving rod of the second linear driving device is connected with a driving arm on the second driving cross rod. The lifting device disclosed by the utility model is particularly suitable for a multifunctional medical bed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting device, in particular to a lifting device of bed frame. BACKGROUND

[0002] At present, although the lifting device of bed frame is also arranged in many multifunctional medical treatment beds, the structure of the traditional lifting device is not reasonable, so that the height of the bed frame cannot be lowered enough in the actual use process, thereby causing inconvenience to the transfer of the patient. SUMMARY

[0003] The utility model solves the technical problem that: provide a kind of lifting device of bed frame for reducing the height when bed frame drops.

[0004] To solve the above technical problem, the technical scheme that the utility model adopts is as follows: a lifting device of bed frame, comprising: chassis, the first end lifting mechanism is arranged at one end of chassis, and the second end lifting mechanism is arranged at the other end of chassis, the first straight line type driving device is arranged on the bed frame, the two ends of first bottom cross bar are transversely arranged on the two sides of the corresponding end of chassis, one end of a pair of first bottom support piece is arranged on the first bottom cross bar, the other end of a pair of first bottom support piece is outward and upwardly hinged together with the one end of corresponding first connecting piece respectively, the other end of a pair of first connecting piece is hinged together with the one end of corresponding first top support piece, the other end of a pair of first top support piece is arranged on the corresponding side of the bed frame, the first driving cross bar is arranged between the pair of first connecting piece, the first driving cross bar is close to the connection of the first connecting piece and first top support piece, the first driving arm is centrally arranged on the first driving cross bar, and the first driving arm is hinged together with the driving rod of first straight line type driving device;The second end lifting mechanism comprises: second bottom cross bar, a pair of second bottom support piece, a pair of rotating support piece, a pair of second connecting piece and a pair of second top support piece, and second straight line type driving device is arranged on the bed frame, the two ends of second bottom cross bar are transversely arranged on the two sides of the corresponding end of chassis, one end of a pair of first bottom support piece is arranged on the second bottom cross bar, the other end of a pair of first bottom support piece is outward and downwardly hinged together with the one end of corresponding rotating support piece respectively, the other end of a pair of rotating support piece is hinged together with the one end of corresponding second connecting piece, the other end of a pair of second connecting piece is hinged together with the one end of corresponding second top support piece, the other end of a pair of second top support piece is arranged on the corresponding side of the bed frame, the second driving cross bar is arranged between the pair of second connecting piece, the second driving cross bar is close to the connection of second connecting piece and second top support piece, the second driving arm is centrally arranged on the second driving cross bar, and the second driving arm is hinged together with the driving rod of second straight line type driving device.

[0005] As a preferred, in the lifting device of the bed frame, a pair of rotating support pieces between the support bar is also provided with rotating.

[0006] As a preferred, in the lifting device of the bed frame, a pair of second support pieces between the support bar is also provided with.

[0007] As a preferred, in the lifting device of the bed frame, the first linear drive device and the second linear drive device are arranged on the bed frame through the drive seat.

[0008] As a preferred, in the lifting device of the bed frame, the drive seat is arranged on the bed frame through the waist frame, and the specific arrangement mode is that the waist frame is arranged on the bed frame, and the drive seat is arranged on the waist frame.

[0009] As a preferred, in the lifting device of the bed frame, the specific structure of the drive seat comprises a pair of vertically arranged angle code pieces, the upper part of the angle code piece is fixed on the waist frame, and the lower part of the angle code piece is hinged with the first linear drive device and the second linear drive device.

[0010] As a preferred, in the lifting device of the bed frame, the first linear drive device and the second linear drive device are all electric cylinders.

[0011] The beneficial effects of the utility model are:

[0012] 1、 the utility model discloses a second bottom horizontal rod is set to the structure of downward and outward inclination, and is provided with rotating support piece between second bottom horizontal rod and second connecting piece, so that the bed frame can as far as possible when descending rely on the foot frame, reduce the height of bed frame, thereby facilitate the transfer of the patient.

[0013] 2、 the utility model discloses a rotating support cross bar is arranged between a pair of rotating support pieces, so that the structure of second end lifting mechanism is more firm, thereby the support of bed frame is also more stable.

[0014] 3、 the utility model discloses a support cross bar is arranged between a pair of second support pieces, so that the structure of second end lifting mechanism is more firm, thereby the support of bed frame is also more stable.

[0015] 4、 the utility model discloses drive seat and first linear drive device and second linear drive device are directly installed on the waist frame, so that the installation structure of first linear drive device and second linear drive device is more convenient and simple, and the material cost is saved.

[0016] 5. By using an electric cylinder as the first and second linear drive devices, this utility model eliminates the need for air circuits required for pneumatic cylinders or oil circuits required for hydraulic cylinders, making the structure of the bed frame lifting device simpler and easier to use. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the lifting device of the bed frame described in this utility model.

[0018] Figure 2 This is a top view of the bed frame after it has been raised, according to the present invention.

[0019] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure along the AA direction.

[0020] Figure 4 This is a top view of the bed frame after it has been lowered, according to the present invention.

[0021] Figure 5 yes Figure 4 Schematic diagram of the cross-sectional structure along the BB direction.

[0022] Figures 1 to 5 The reference numerals in the attached drawings are as follows: 1, base frame; 30, first bottom crossbar; 31, first bottom support plate; 33, first connecting plate; 34, first top support plate; 35, first drive crossbar; 36, first drive arm; 40, second bottom crossbar; 41, second bottom support plate; 42, rotating support plate; 43, second connecting plate; 44, second top support plate; 45, second drive crossbar; 46, second drive arm; 47, rotating support crossbar; 48, support crossbar; 5, first electric cylinder; 51, drive rod; 6, second electric cylinder; 61, drive rod; 9, bed frame; 90, waist frame; 91, drive seat. Detailed Implementation

[0023] The following describes in detail, with reference to the accompanying drawings, the specific implementation scheme of the bed frame lifting device of this utility model.

[0024] like Figures 1 to 5 As shown, the lifting device for the bed frame of this utility model includes: a base frame 1 and a bed frame 9, wherein the base frame 1 is located at one end ( Figure 1 The left end is equipped with a first end lifting mechanism, and the other end is equipped with a first end lifting mechanism. Figure 1The right end of the bed frame 9 is provided with a second end lifting mechanism, the first end lifting mechanism comprises a first bottom cross bar 30, a pair of first bottom supporting pieces 31, a pair of first connecting pieces 33, a pair of first top supporting pieces 34, a first electric cylinder 5 as a first linear driving device arranged on the bed frame 9 through a driving seat 91 composed of a pair of vertically arranged angle code pieces, and the specific arrangement is that the upper part of the driving seat 91 is arranged on the waist frame 90, the first electric cylinder 5 is hinged to the lower part of the driving seat 91, the two ends of the first bottom cross bar 30 are transversely arranged on both sides of the corresponding end of the bottom frame 1 (which belongs to the conventional technology in the field and will not be described here), one end of the pair of first bottom supporting pieces 31 is arranged on the two ends of the first bottom cross bar 30, the other end of the pair of first bottom supporting pieces 31 is hingedly connected to the corresponding one end of the first connecting piece 33 upward and outward, the other end of the pair of first connecting pieces 33 is hingedly connected to the corresponding one end of the first top supporting piece 34, the other end of the pair of first top supporting pieces 34 is arranged on the corresponding side of the bed frame 9 (which belongs to the conventional technology in the field and will not be described here), a first driving cross bar 35 is arranged between the pair of first connecting pieces 33, the first driving cross bar 35 is close to the connection between the first connecting piece 33 and the first top supporting piece 34, a first driving arm 36 composed of a pair of parallel driving pieces is arranged on the first driving cross bar 35, the first driving arm 36 is hingedly connected to the driving rod 51 of the first electric cylinder 5; the specific structure of the second end lifting mechanism comprises a second bottom cross bar 40, a pair of second bottom supporting pieces 41, a pair of rotating supporting pieces 42, a pair of second connecting pieces 43, a pair of second top supporting pieces 44, and a second electric cylinder 6 as a second linear driving device hingedly connected to the lower part of the driving seat 91, the two ends of the second bottom cross bar 40 are transversely arranged on both sides of the corresponding end of the bottom frame 1 (which belongs to the conventional technology in the field and will not be described here), one end of the pair of second bottom supporting pieces 41 is arranged on the two ends of the second bottom cross bar 40, the other end of the pair of second bottom supporting pieces 41 is hingedly connected to the corresponding one end of the rotating supporting piece 42 downward and outward, the other end of the pair of rotating supporting pieces 42 is hingedly connected to the corresponding one end of the second connecting piece 43, the other end of the pair of second connecting pieces 43 is hingedly connected to the corresponding one end of the second top supporting piece 44, the other end of the pair of second top supporting pieces 44 is arranged on the corresponding side of the bed frame 9 (which belongs to the conventional technology in the field and will not be described here), a second driving cross bar 45 is arranged between the pair of second connecting pieces 43, the second driving cross bar 45 is close to the connection between the second connecting piece 43 and the second top supporting piece 44, a second driving arm 46 composed of a pair of parallel driving pieces is arranged on the second driving cross bar 45, the second driving arm 46 is hingedly connected to the driving rod 61 of the second electric cylinder 6.

[0025] In actual application, the pair of rotating support plates 42 are provided with a rotating support crossbar 47, and the pair of second top support plates 44 are provided with a support crossbar 48.

[0026] In actual use, the left end of the bed frame 9 is lifted by separately starting the first electric cylinder 5, the right end of the bed frame 9 is lifted by separately starting the second electric cylinder 6, or the whole bed frame 9 is lifted by simultaneously starting the first electric cylinder 5 and the second electric cylinder 6.

[0027] To sum up, the above is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any equivalent changes and modifications made in accordance with the shape, structure, features and spirit of the present application shall be included in the scope of the present application.

Claims

1. A lifting device for a bed frame, comprising: The base frame is characterized in that: a first end lifting mechanism is provided at one end of the base frame, and a second end lifting mechanism is provided at the other end. The first end lifting mechanism includes: a first bottom crossbar, a pair of first bottom support plates, a pair of first connecting plates, a pair of first top support plates, and a first linear drive device disposed on the bed frame. The two ends of the first bottom crossbar are laterally disposed on both sides of the corresponding ends of the base frame. One end of each pair of first bottom support plates is disposed on the first bottom crossbar, and the other ends of the pair of first bottom support plates are respectively hinged to one end of the corresponding first connecting plates at an outward and upward angle. The other ends of the pair of first connecting plates are hinged to one end of the corresponding first top support plates. The other ends of the first top support plates are disposed on the corresponding sides of the bed frame. A first drive crossbar is disposed between the pair of first connecting plates. The first drive crossbar is close to the connection between the first connecting plates and the first top support plates. A first drive arm is centrally disposed on the first drive crossbar, and the first drive arm is hinged to the drive rod of the first linear drive device. The second end lifting mechanism includes: a second bottom crossbar, a pair of second bottom support plates, a pair of rotating support plates, a pair of second connecting plates, a pair of second top support plates, and a second linear drive device mounted on the bed frame. The two ends of the second bottom crossbar are laterally mounted on both sides of the corresponding ends of the base frame. One end of each pair of first bottom support plates is mounted on the second bottom crossbar. The other ends of each pair of first bottom support plates are obliquely outward and downward and respectively hinged to one end of the corresponding rotating support plate. The other ends of each pair of rotating support plates are hinged to one end of the corresponding second connecting plate. The other ends of each pair of second connecting plates are hinged to one end of the corresponding second top support plate. The other ends of the second top support plates are mounted on the corresponding side of the bed frame. A second drive crossbar is mounted between the pair of second connecting plates. The second drive crossbar is close to the connection between the second connecting plate and the second top support plate. A second drive arm is mounted centrally on the second drive crossbar. The second drive arm is hinged to the drive rod of the second linear drive device.

2. The bed frame lifting device according to claim 1, characterized in that, A rotating support crossbar is also provided between the pair of rotating support plates.

3. The bed frame lifting device according to claim 1, characterized in that, A support crossbar is also provided between the pair of second top support plates.

4. The bed frame lifting device according to claim 1, characterized in that, The first and second linear drive devices are mounted on the bed frame via drive seats.

5. A bed frame lifting device according to claim 4, characterized in that, The drive seat is mounted on the bed frame via a waist frame. Specifically, the bed frame has a waist frame, and the drive seat is mounted on the waist frame.

6. A bed frame lifting device according to claim 5, characterized in that, The drive base includes: a pair of vertically arranged corner brackets, the upper part of which is fixed to the waist frame, and the lower part of which is hinged to the first linear drive device and the second linear drive device.

7. A bed frame lifting device according to any one of claims 1 to 6, characterized in that, Both the first linear drive device and the second linear drive device are electric cylinders.

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