CN111053650A

CN111053650A - Stretcher support overturning limiting device

Info

Publication number: CN111053650A
Application number: CN201911344269.0A
Authority: CN
Inventors: 朱伟龙; 周永
Original assignee: Suzhou Jiangnan Aerospace Mechanical and Electrical Industry Co Ltd
Current assignee: Suzhou Jiangnan Aerospace Mechanical and Electrical Industry Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-04-24

Abstract

The invention relates to a stretcher support overturning limiting device, wherein a bottom layer fixing frame and a stretcher support are arranged on a bottom column from bottom to top, after the stretcher support is overturned relative to the bottom layer fixing frame, the included angle between the planes of the bottom layer fixing frame and the bottom layer fixing frame is 10-20 degrees, a pair of overturning limiting mechanisms are symmetrically arranged between the stretcher support and the bottom layer fixing frame, one ends of a draw arm and a gas spring are respectively connected with the stretcher support, the other ends of the draw arm and the gas spring are respectively connected with a sliding block, a sliding rail is arranged on the bottom layer fixing frame, a sliding block and a limiting block are arranged inside the sliding rail, the sliding block slides in the sliding rail and drives the draw arm and the gas spring. The turnover limiting device for the stretcher support can be installed in a small space, the occupied area is small, the buffering effect of the stretcher support during rotation is achieved through compression of the air spring, the turnover angle of the stretcher support can be adjusted by adjusting the length of the air spring, the structure is simple, and the rotation is rapid.

Description

Stretcher support overturning limiting device

Technical Field

The invention belongs to the technical field of stretchers, and particularly relates to a stretcher support overturning limiting device.

Background

As is well known, stretchers are required to be used in hospitals or ambulances, so that wounded persons can lie down conveniently, manufacturers can generally turn over the stretchers, an oil cylinder is fixed between a drawing layer and a bottom layer of the stretcher in most of the currently used turning stretchers, and a drawing layer stretcher support is jacked up through the movement of a long-stroke oil cylinder, so that the small-angle turning of the stretcher support is realized. However, this structure is suitable for a single drawing stretcher with sufficient internal space, and has poor buffering performance, single function, incapability of freely adjusting the turning angle and low practicability.

Disclosure of Invention

In order to solve the technical problems in the prior art, the invention aims to provide a stretcher support overturning limiting device.

In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:

a stretcher support overturning limiting device comprises a bottom column horizontally placed on the ground, wherein a bottom layer fixing frame and a stretcher support are sequentially placed on the bottom column from bottom to top, the stretcher support is overturned relative to the bottom layer fixing frame, an included angle between planes of the stretcher support and the bottom layer fixing frame is 10-20 degrees after overturning, a pair of overturning limiting mechanisms are symmetrically arranged between the stretcher support and the bottom layer fixing frame, overturning and limiting are realized through the overturning limiting mechanisms, each overturning limiting mechanism comprises a pull arm, an air spring, a slide rail, a slide block and a limiting block, one end of the pull arm and one end of the air spring are respectively and movably connected with the stretcher support, the other end of the pull arm and the other end of the air spring are respectively and movably connected with the slide block, the slide rail is arranged on the bottom layer fixing frame, the slide rail is internally provided with the slide block and the limiting block, a slide rail, the limit block is contacted with the slide rail end head sealing plate to realize the overturning and the limiting.

The electric lifting device is characterized by further comprising a touch screen lifting controller, the bottom column is an electric lifting column, the touch screen lifting controller is electrically connected with the bottom column, and the bottom column is controlled to be lifted or lowered through the touch screen lifting controller.

Furthermore, the number of the bottom columns is four, and the four bottom columns are respectively arranged at four corners below the device and are rectangular.

Furthermore, the height of the bottom column is 40-90cm, and the width of the bottom column is 30-45 cm.

Furthermore, the length of the bottom layer fixing frame and the stretcher support is 150-240cm, the bottom layer fixing frame and the bottom column bolt are assembled into a whole, the bottom layer fixing frame can be designed into a common fixing plate and the like, and the stretcher support can be flatly placed when the stretcher support is not turned over.

Furthermore, the number of the pull arms, the gas springs, the slide rails, the slide blocks and the limiting blocks is two, the two pull arms, the gas springs, the slide rails, the slide blocks and the limiting blocks are symmetrically arranged, and the length of each gas spring is 70-90 mm.

Furthermore, a cushion pad matched with the size and shape of the stretcher support is arranged on the stretcher support, the thickness of the cushion pad is 3-6cm, a fluorescent layer with the thickness of 3-6mm is coated on one side of the cushion pad, the stretcher support can be found quickly in a dark environment, and can prompt other people in the dark environment to avoid collision injury.

Compared with the prior art, the invention has the beneficial effects that:

the invention discloses a stretcher support overturning limiting device, which comprises a bottom column horizontally placed on the ground, wherein a bottom layer fixing frame and a stretcher support are sequentially placed on the bottom column from bottom to top, the stretcher support is overturned relative to the bottom layer fixing frame, after the stretcher is overturned, the included angle between the planes of the stretcher support and the bottom layer fixing frame is 10-20 degrees, a pair of overturning limiting mechanisms is symmetrically arranged between the stretcher support and the bottom layer fixing frame, each overturning limiting mechanism comprises a pull arm, an air spring, a slide rail, a slide block and a limiting block, one end of each of the pull arm and the air spring is connected with the stretcher support, the other end of each of the pull arm and the air spring is connected with the corresponding slide block, the slide rail is arranged on the bottom layer fixing frame, the slide block and the limiting block are arranged inside the slide rail, a slide rail end sealing plate is arranged at the position, contacted with the bottom column, of the tail end of the slide rail, the slide block slides in the. The stretcher support overturning limiting device provided by the invention can be installed in a small space, is small in occupied area, achieves the buffering effect when the stretcher support rotates through the compression of the air spring, can adjust the overturning angle of the stretcher support by adjusting the length of the air spring, is simple in structure, is quick in pulling and rotating, is high in practicability, and has a wide application prospect.

Drawings

FIG. 1 is an overall outline configuration of the present invention;

FIG. 2 is a schematic diagram of the present invention in an inverted orientation;

wherein, 1-stretcher support; 2-pulling the arm; 3-a gas spring; 4-a slide rail; 5-a slide block; 6-a limiting block; 7-touch screen lifting controller; 11-a turnover limiting mechanism; 12-a bottom pillar; 13-a slide rail end head closing plate; 14-bottom layer fixing frame.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, and the scope of the invention will be clearly and clearly defined.

As shown in fig. 1-2, a stretcher support overturn limiting device comprises four bottom posts 12 horizontally placed on the ground, the four bottom posts 12 are respectively arranged at four corners below the device and are rectangular, the stability of the whole device is maintained, the supporting function is high, rollers can be selectively arranged at the bottoms of the bottom posts 12, the whole device can be moved by pushing the rollers, the device can be realized by adopting the prior art, a bottom layer fixing frame 14 and a stretcher support 1 for overturning are sequentially arranged on a base 12 from bottom to top, a wounded person lies on the stretcher support 1, the stretcher support 1 overturns relative to the bottom layer fixing frame 14, an overturn limiting mechanism 11 is arranged between the stretcher support 1 and the bottom layer fixing frame 14, the number of overturn limiting mechanisms 11 is two, the overturn limiting mechanisms are symmetrically arranged at two sides of the stretcher support 1 and the bottom layer fixing frame 14, the stretcher support 1 is separated from the bottom layer fixing frame 14 by the overturn limiting mechanism, and overturns to the position which forms an included angle of 10-20 degrees with the plane of the bottom layer fixing frame 14, preferably 15 degrees, each overturning limiting mechanism 11 comprises a pull arm 2, an air spring 3, a slide rail 4, a slide block 5 and a limiting block 6, one end of the pull arm 2 and one end of the air spring 3 are respectively connected with the stretcher support 1 in a mechanical mode, the other end of the pull arm 2 and the other end of the air spring 3 are respectively connected with the slide block 5 in a mechanical mode, such as a hinging mode and the like, the method can be realized by adopting the prior art, the slide rails 4 which are positioned on two sides of the bottom layer fixing frame 14 and are used for the slide block 5 to slide back and forth are symmetrically arranged along the axial direction of the bottom layer fixing frame, the slide block 5 and the limiting block 6 are arranged in the slide rail 4, the slide rail end sealing plate 13 is arranged at the position, which is close to the tail end of, the stretcher support does not slide along the slide rail 4 any longer, the slide block 5 drives the pull arm 2 and the air spring 3 connected with the slide block to move along with the slide rail when sliding in the slide rail 4, and the buffering effect when the stretcher support 1 overturns or rotates is achieved by utilizing the trigonometric theorem and stretching or compressing the air spring 3; the electric lifting control device is characterized by further comprising a touch screen lifting controller 7, the bottom column 12 is an electric lifting column, the touch screen lifting controller 7 is electrically connected with the bottom column 12, the bottom column 12 can be controlled to lift or lower only by operating a lifting switch of the touch screen lifting controller 7 through a touch screen, the existing product is adopted, the installation position of the touch screen lifting controller 7 is not limited, the normal connection between the touch screen lifting controller 7 and the bottom column 12 through an electric wire is ensured, and a user can be arranged at a position convenient to operate according to actual requirements.

In the lifting and rotating process of the stretcher support 1, the force of personnel can be reduced, and the turning angle of the stretcher support 1 can be adjusted by adjusting the length of the air spring 3. The stroke of the gas spring can be changed from 70mm to 90mm so as to meet the requirements of different turnover angles of the stretcher bracket 1.

The height of the bottom column 12 is 40-90cm, the width of the bottom column 12 is 30-45cm, and the height of the bottom column 12 is controlled to be 90cm at most and 40cm at least by the touch screen lifting controller 7.

The length of the bottom layer fixing frame 14 and the stretcher support 1 is 150-240cm, and the bottom layer fixing frame 14 and the bottom column 12 are assembled into a whole through bolts.

The pull arm 2, the gas spring 3, the slide rail 4, the slide block 5 and the limiting block 6 are all provided with two and are respectively and symmetrically arranged.

The stretcher support 1 is provided with a cushion pad matched with the size and shape of the stretcher support, the thickness of the cushion pad is 3-6cm, and a fluorescent layer with the thickness of 3-6mm is coated on one side of the cushion pad.

The working principle of the invention is as follows:

the stretcher support 1 is pulled outwards and slides in the slide rail 4 of the bottom layer fixing frame 14 through the overturning limiting mechanism 1 until being pulled in place. In the process, the sliding block 5 slides in the sliding rail 4, the air spring 3 is extruded simultaneously, when the limiting block 6 touches the sliding rail end sealing plate 13, the stretcher support 1 can be overturned by 10-20 degrees, and the stretcher support 1 realizes buffering through the compression effect of the air spring 3 during overturning.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A stretcher support overturning limiting device is characterized by comprising a bottom column (12) horizontally placed on the ground, wherein a bottom layer fixing frame (14) and a stretcher support (1) are sequentially placed on the bottom column (12) from bottom to top, the stretcher support (1) overturns relative to the bottom layer fixing frame (14), after overturning, the included angle between the planes of the bottom layer fixing frame and the bottom layer fixing frame is 10-20 degrees, a pair of overturning limiting mechanisms (11) are symmetrically arranged between the stretcher support (1) and the bottom layer fixing frame (14), overturning and limiting of the stretcher support (1) are realized through the overturning limiting mechanisms (11), each overturning limiting mechanism (11) comprises a pull arm (2), an air spring (3), a slide rail (4), a sliding block (5) and a limiting block (6), one end of the pull arm (2) and one end of an air spring (3) are respectively connected with the stretcher support (1), the other end of the pull arm (2) and the other end of the air spring (3), slide rail (4) set up on bottom mount (14), slide rail (4) are inside to be set up slider (5) and stopper (6), and the position that slide rail (4) end and foundation (12) contacted sets up slide rail end shrouding (13), and slider (5) slide and drive single arm-drag (2) and gas spring (3) the motion of following rather than being connected in slide rail (4), realize upset and spacing when contacting slide rail end shrouding (13) through stopper (6).

2. The stretcher support overturn limiting device according to claim 1, characterized by further comprising a touch screen lifting controller (7), wherein the bottom column (12) is an electric lifting column, the touch screen lifting controller (7) is electrically connected with the bottom column (12), and the lifting or lowering of the bottom column (12) is controlled by the touch screen lifting controller (7).

3. The stretcher support turning and limiting device according to claim 1 or 2, characterized in that the four bottom posts (12) are respectively arranged at four corners below the device and are rectangular.

4. The stretcher support inversion limiting device according to claim 1, wherein the height of the bottom pillar (12) is 40-90cm, and the width of the bottom pillar (12) is 30-45 cm.

5. The stretcher support overturn limiting device as claimed in claim 1, wherein the length of the bottom layer fixing frame (14) and the stretcher support (1) is 150-240cm, and the bottom layer fixing frame (14) and the bottom column (12) are assembled into a whole through bolts.

6. The stretcher support overturn limiting device as claimed in claim 1, wherein the number of the pulling arm (2), the gas spring (3), the sliding rail (4), the sliding block (5) and the limiting block (6) is two, and the two are respectively and symmetrically arranged, and the length of the gas spring (3) is 70-90 mm.

7. The stretcher support overturning limiting device as claimed in claim 1, wherein the stretcher support (1) is provided with a buffer pad matched with the size and shape of the stretcher support overturning limiting device, the thickness of the buffer pad is 3-6cm, and a fluorescent layer with the thickness of 3-6mm is coated on one side of the buffer pad.