CN110464551B

CN110464551B - Medical stretcher

Info

Publication number: CN110464551B
Application number: CN201910736849.8A
Authority: CN
Inventors: 明洁; 杨林山; 张进; 王雪; 其他发明人请求不公开姓名
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2018-04-28
Filing date: 2018-04-28
Publication date: 2020-11-13
Anticipated expiration: 2038-04-28
Also published as: CN110464552B; CN110464551A; CN110464552A; CN108433888B; CN108433888A

Abstract

The invention relates to a stretcher, in particular to a medical stretcher, which comprises a rectangular frame, bearing cloth, two spring upright posts, four arc-shaped spring bow pieces, two cross beams, four lifting rods and four supporting legs, wherein the rectangular frame and the bearing cloth can be flatly laid by a patient, the rectangular frame can be kept horizontal and stable through the two spring upright posts and the four arc-shaped spring bow pieces, and the rectangular frame can be cushioned so as to avoid the injury to the patient when the patient is lifted and transported; the cross beam can be supported by the supporting legs, so that the rectangular frame and the bearing cloth can be used as a temporary medical bed; the support legs can be conveniently fixed through the lifting rods, and when the support legs rotate to be horizontal, the space occupied by the medical stretcher during disaster relief material transportation can be reduced.

Description

Medical stretcher

Technical Field

The invention relates to a stretcher, in particular to a medical stretcher.

Background

For example, patent application No. CN201210113052.0 is a detachable self-balancing stretcher, which comprises a main stretcher, an inner adjustable stretcher, and an outer fixed supporting stretcher, wherein the main stretcher is mounted on a stretcher support of the inner adjustable stretcher, and a bearing is installed between the inner adjustable stretcher and the outer fixed supporting stretcher. One end of an electric push rod is fixed on an inner side reinforcing piece of the inner side adjustable stretcher, the other end of the electric push rod is fixed on an outer side reinforcing piece of the bottom of the outer side fixed support stretcher, an inclination angle sensor is installed below a main shaft, the inclination angle of the stretcher is detected in real time, angle data are sent to a controller, the electric push rod can drive the inner side adjustable stretcher to rotate around the main shaft under the control of the controller, and the function that the stretcher is automatically adjusted to keep horizontal is achieved. The medical stretcher can not automatically realize the balance of the medical stretcher by utilizing gravity and can not perform cushioning in the lifting and transporting process.

Disclosure of Invention

The invention aims to provide a medical stretcher, wherein a rectangular frame and bearing cloth can be laid flat for a patient, the rectangular frame can be kept horizontal and stable through two spring upright posts and four arc-shaped spring bow pieces, and the rectangular frame can be cushioned, so that the patient is prevented from being injured when the patient is lifted and transported; the cross beam can be supported by the supporting legs, so that the rectangular frame and the bearing cloth can be used as a temporary medical bed; the support legs can be conveniently fixed through the lifting rods, and when the support legs rotate to be horizontal, the space occupied by the medical stretcher during disaster relief material transportation can be reduced.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a medical stretcher, includes rectangular frame, bearing cloth, two spring posts, four arc spring bow pieces, two crossbeams, four lift poles and four supporting legs, bearing cloth fixed connection is in rectangular frame's inside, the middle-end at both ends is articulated respectively and is connected a spring post about rectangular frame, rectangular frame all articulates at both ends and is connected with two arc spring bow pieces about, two spring posts articulate respectively with two arc spring bow pieces of controlling both ends and is connected, and arc spring bow piece is located spring post's front and back both sides, and the middle-end of two crossbeams articulates the upper end of connecting at two spring posts respectively, the both ends of crossbeam are the pole of lifting of sliding connection one respectively, be provided with between crossbeam and the pole and lift the pole spring, the both ends of crossbeam are respectively through lifting the articulated supporting leg of connecting of pole.

As a further optimization of the technical scheme, the medical stretcher comprises a rectangular frame, wherein the rectangular frame comprises a left cross frame rod, a right cross frame rod and two longitudinal beams, the left end and the right end of each longitudinal beam are respectively and fixedly connected to the left cross frame rod and the right cross frame rod, the front end and the rear end of the carrying cloth are respectively and fixedly connected to the two longitudinal beams, and the distance between the two longitudinal beams is greater than the width of the carrying cloth.

As a further optimization of the technical scheme, the medical stretcher comprises a spring stand column, a sliding block, an inserting rod and a stand column spring, wherein the lower end of the stand column is provided with a sliding groove, the sliding block is slidably connected in the sliding groove, the upper end of the inserting rod is fixedly connected to the sliding block, the lower end of the inserting rod is slidably connected in a circular through hole at the lower end of the stand column, the stand column spring is sleeved on the inserting rod, the stand column spring is located between the sliding block and the stand column, the sliding blocks on the two spring stand columns are respectively hinged to the left end and the right end of a left cross frame rod and a right cross frame rod, and the upper ends of the two stand column frames are respectively hinged to the middle ends of two cross beams.

As a further optimization of the technical scheme, the cross beam comprises a cross beam body and two leg supports, the two leg supports are respectively and fixedly connected to two ends of the cross beam body, and two leg mounting grooves are formed between the cross beam body and the two leg supports.

As a further optimization of the technical scheme, the medical stretcher comprises a lifting rod, a shaft rod, a plurality of key ribs and a clamping ring, wherein the inner end of the lifting rod is fixedly connected with the shaft rod, the outer end of the shaft rod is uniformly and fixedly connected with the key ribs, the inner end of the shaft rod is fixedly connected with the clamping ring, the shaft rod and the key ribs are slidably connected in a shaft hole I on a leg support, the inner end of the shaft rod is slidably connected in a shaft hole II on a beam body, the clamping ring is positioned on the inner side of the beam body, a lifting rod spring is sleeved on the shaft rod, the lifting rod spring is positioned between the clamping ring and the beam body, and the lifting rod is positioned on the outer side of the leg support.

As a further optimization of the technical scheme, according to the medical stretcher, one end of each supporting leg is provided with the supporting shaft hole and the key grooves, the key grooves are uniformly formed in the supporting shaft hole, the shaft rod is connected in the supporting shaft hole in a sliding mode, the key ribs are connected in the key grooves in a sliding mode respectively, and the supporting legs are in clearance fit in the supporting leg installation grooves between the cross beam body and the supporting leg frames.

The medical stretcher has the beneficial effects that:

according to the medical stretcher, the rectangular frame and the bearing cloth can be laid flat for a patient, the rectangular frame can be kept horizontal and stable through the two spring upright posts and the four arc-shaped spring bow pieces, and the rectangular frame can be cushioned, so that the patient is prevented from being injured when the patient is lifted and transported; the cross beam can be supported by the supporting legs, so that the rectangular frame and the bearing cloth can be used as a temporary medical bed; the support legs can be conveniently fixed through the lifting rods, and when the support legs rotate to be horizontal, the space occupied by the medical stretcher during disaster relief material transportation can be reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a rectangular frame structure of the present invention;

FIG. 3 is a schematic view of the spring post structure of the present invention;

FIG. 4 is a schematic view of a beam construction of the present invention;

FIG. 5 is a schematic view of the lift rod of the present invention;

FIG. 6 is a schematic view of the support leg structure of the present invention.

In the figure: a rectangular frame 1; 1-1 of a left cross frame rod; 1-2 of a right cross frame rod; longitudinal beams 1-3; a carrier cloth 2; a spring upright 3; 3-1 of a stand column frame; 3-2 of a slide block; 3-3 of an inserted link; 3-4 parts of a column spring; an arc-shaped spring bow 4; a cross beam 5; a beam body 5-1; a leg frame 5-2; a lifting rod 6; a grab bar 6-1; shaft lever 6-2; key ribs 6-3; 6-4 parts of a snap ring; support legs 7; a supporting shaft hole 7-1; key slot 7-2.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 6, and a medical stretcher comprises a rectangular frame 1, a carrying cloth 2, two spring columns 3, four arc-shaped spring bow pieces 4, two cross beams 5, four lifting rods 6 and four supporting legs 7, wherein the carrying cloth 2 is fixedly connected inside the rectangular frame 1, the middle ends of the left and right ends of the rectangular frame 1 are respectively hinged with one spring column 3, the left and right ends of the rectangular frame 1 are both hinged with two arc-shaped spring bow pieces 4, the two spring columns 3 are respectively hinged with the two arc-shaped spring bow pieces 4 at the left and right ends, the arc-shaped spring bow pieces 4 are positioned at the front and back sides of the spring columns 3, the middle ends of the two cross beams 5 are respectively hinged with the upper ends of the two spring columns 3, the two ends of the cross beam 5 are respectively slidably connected with one lifting rod 6, a lifting rod spring is arranged between the cross beam 5 and the lifting rod 6, two ends of the cross beam 5 are respectively hinged with supporting legs 7 through lifting rods 6; when the lifting frame is used, a patient is placed on the carrying cloth 2, the two cross beams 5 are lifted through the four lifting rods 6, the two cross beams 5 elastically lift the rectangular frame 1 through the two spring upright posts 3 and the four arc-shaped spring bow pieces 4, and then the carrying cloth 2 and the patient on the carrying cloth 2 are lifted together; under the action of the gravity of a patient and the rectangular frame 1, when the heights of the front and rear lifting rods 6 are changed, the two spring upright posts 3 are always kept in a vertical state, and the arc-shaped spring bow pieces 4 and the cross beam 5 maintain the cross beam 5 to be vertical to the rectangular frame 1, so that the horizontal state of the rectangular frame 1 is ensured; the patient can be kept lying down under severe environments such as earthquake relief work and the like, and the vibration and shaking during patient carrying are reduced, so that the problem that the patient is aggravated when the patient is on the bed due to shaking and vibration is effectively avoided; by pulling the lifting rod 6 outwards, the supporting leg 7 can be rotated; when the supporting legs 7 are horizontal, the rectangular frame 1 and the bearing cloth 2 can be flatly placed on the ground, so that the patient can be conveniently lifted to the bearing cloth 2; and when four supporting legs 7 all rotated to vertical state, can support two crossbeams 5 through four supporting legs 7, two spring columns 3 and four arc spring bow pieces 4 played the bradyseism effect this moment, and rectangular frame 1 constitutes the horizontally hammock with bearing cloth 2 to this can provide interim treatment sick bed for the patient under emergency.

The second embodiment is as follows:

the present embodiment is described below with reference to fig. 1 to 6, and the present embodiment further describes the first embodiment, where the rectangular frame 1 includes a left cross frame rod 1-1, a right cross frame rod 1-2, and two longitudinal beams 1-3, the left and right ends of the two longitudinal beams 1-3 are respectively fixedly connected to the left cross frame rod 1-1 and the right cross frame rod 1-2, the front and rear ends of the carrying cloth 2 are respectively fixedly connected to the two longitudinal beams 1-3, and the distance between the two longitudinal beams 1-3 is greater than the width of the carrying cloth 2; and then when the patient lies on the bearing cloth 2, the middle end of the bearing cloth 2 hangs down, so that the patient lies at the central position of the bearing cloth 2, the patient is prevented from falling from the bearing cloth 2, and the rectangular frame 1 is kept in a horizontal state.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1-6, and the embodiment further describes the second embodiment, where the spring upright 3 includes an upright frame 3-1, a sliding block 3-2, an insertion rod 3-3 and an upright spring 3-4, the lower end of the upright frame 3-1 is provided with a sliding groove, the sliding block 3-2 is slidably connected in the sliding groove, the upper end of the insertion rod 3-3 is fixedly connected to the sliding block 3-2, the lower end of the insertion rod 3-3 is slidably connected in a circular through hole at the lower end of the upright frame 3-1, the upright spring 3-4 is sleeved on the insertion rod 3-3, the upright spring 3-4 is located between the sliding block 3-2 and the upright frame 3-1, the sliding blocks 3-2 on the two spring uprights 3 are respectively hinged to the left and right ends of the left crossbar rod 1-1 and the right crossbar rod 1-2, the upper ends of the two upright post frames 3-1 are respectively hinged with the middle ends of the two cross beams 5, and the spring upright posts 3 are kept in a vertical state under the action of gravity.

The fourth concrete implementation mode:

the following describes the present embodiment with reference to fig. 1 to 6, and the present embodiment further describes the third embodiment, where the cross beam 5 includes a cross beam body 5-1 and two leg supports 5-2, the two leg supports 5-2 are respectively fixedly connected to two ends of the cross beam body 5-1, and two leg mounting grooves are formed between the cross beam body 5-1 and the two leg supports 5-2.

The fifth concrete implementation mode:

the fourth embodiment is further described with reference to fig. 1-6, in which the lifting rod 6 includes a holding rod 6-1, a shaft rod 6-2, a plurality of key ribs 6-3 and a snap ring 6-4, the inner end of the holding rod 6-1 is fixedly connected to the shaft rod 6-2, the outer end of the shaft rod 6-2 is uniformly and fixedly connected to the plurality of key ribs 6-3, the inner end of the shaft rod 6-2 is fixedly connected to the snap ring 6-4, the shaft rod 6-2 and the plurality of key ribs 6-3 are slidably connected to a shaft hole i of the leg support 5-2, the inner end of the shaft rod 6-2 is slidably connected to a shaft hole ii of the beam body 5-1, the snap ring 6-4 is located at the inner side of the beam body 5-1, the lifting rod spring is sleeved on the shaft rod 6-2, the lifting rod spring is positioned between the snap ring 6-4 and the beam body 5-1, and the holding rod 6-1 is positioned on the outer side of the leg support 5-2.

The sixth specific implementation mode:

the embodiment is described below with reference to fig. 1 to 6, and the fifth embodiment is further described in the present embodiment, wherein one end of the support leg 7 is provided with a support shaft hole 7-1 and a plurality of key slots 7-2, the plurality of key slots 7-2 are uniformly arranged in the support shaft hole 7-1, the shaft lever 6-2 is slidably connected in the support shaft hole 7-1, and the plurality of key ribs 6-3 are respectively slidably connected in the plurality of key slots 7-2; the hand holding rod 6-1 is pulled outwards by hand, so that the key rib 6-3 is separated from the key groove 7-2, and the supporting leg 7 can rotate around the shaft rod 6-2; the supporting legs 7 are in clearance fit in the supporting leg mounting grooves between the beam body 5-1 and the supporting leg frames 5-2; under the action of the lifting rod spring, the key rib 6-3 slides into the key groove 7-2 again, so that the support leg 7 is fixed; when the supporting legs 7 are in a horizontal state, the medical stretcher can be conveniently carried, and meanwhile, the occupied space of the medical stretcher can be reduced when disaster relief goods and materials are conveyed.

The invention relates to a medical stretcher, which has the working principle that: when the lifting frame is used, a patient is placed on the carrying cloth 2, the two cross beams 5 are lifted through the four lifting rods 6, the two cross beams 5 elastically lift the rectangular frame 1 through the two spring upright posts 3 and the four arc-shaped spring bow pieces 4, and then the carrying cloth 2 and the patient on the carrying cloth 2 are lifted together; under the action of the gravity of a patient and the rectangular frame 1, when the heights of the front and rear lifting rods 6 are changed, the two spring upright posts 3 are always kept in a vertical state, and the arc-shaped spring bow pieces 4 and the cross beam 5 maintain the cross beam 5 to be vertical to the rectangular frame 1, so that the horizontal state of the rectangular frame 1 is ensured; the patient can be kept lying down under severe environments such as earthquake relief work and the like, and the vibration and shaking during patient carrying are reduced, so that the problem that the patient is aggravated when the patient is on the bed due to shaking and vibration is effectively avoided; by pulling the lifting rod 6 outwards, the supporting leg 7 can be rotated; when the supporting legs 7 are horizontal, the rectangular frame 1 and the bearing cloth 2 can be flatly placed on the ground, so that the patient can be conveniently lifted to the bearing cloth 2; when the four supporting legs 7 rotate to be in a vertical state, the two crossbeams 5 can be supported by the four supporting legs 7, the two spring columns 3 and the four arc-shaped spring bow pieces 4 play a role in cushioning, and the rectangular frame 1 and the bearing cloth 2 form a horizontal hammock, so that a temporary rescue bed can be provided for a patient under an emergency condition; the distance between the two longitudinal beams 1-3 is larger than the width of the carrying cloth 2, so that when a patient lies on the carrying cloth 2, the middle end of the carrying cloth 2 hangs downwards, the patient can lie at the central position of the carrying cloth 2 conveniently, the patient is prevented from falling off the carrying cloth 2, and the rectangular frame 1 can be kept in a horizontal state; the hand holding rod 6-1 is pulled outwards by hand, so that the key rib 6-3 is separated from the key groove 7-2, and the supporting leg 7 can rotate around the shaft rod 6-2; under the action of the lifting rod spring, the key rib 6-3 slides into the key groove 7-2 again, so that the support leg 7 is fixed; when the supporting legs 7 are in a horizontal state, the medical stretcher can be conveniently carried, and meanwhile, the occupied space of the medical stretcher can be reduced when disaster relief goods and materials are conveyed.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a medical stretcher, includes rectangular frame (1), bears cloth (2), two spring stand (3), four arc spring bow pieces (4), two crossbeams (5), four lift pole (6) and four supporting legs (7), its characterized in that: the bearing cloth (2) is fixedly connected inside the rectangular frame (1), the middle ends of the left end and the right end of the rectangular frame (1) are respectively hinged with one spring upright post (3), the left end and the right end of the rectangular frame (1) are respectively hinged with two arc-shaped spring bow pieces (4), the spring upright post (3) positioned at the left end of the rectangular frame (1) is respectively connected with the two arc-shaped spring bow pieces (4) positioned at the left end of the rectangular frame (1) in a cross-linking manner, the spring upright post (3) positioned at the right end of the rectangular frame (1) is respectively connected with the two arc-shaped spring bow pieces (4) positioned at the right end of the rectangular frame (1) in a cross-linking manner, the arc-shaped spring bow pieces (4) are positioned at the front side and the rear side of the spring upright post (3), the middle ends of the two cross beams (5) are respectively hinged with the upper ends of the two spring upright posts, a lifting rod spring is arranged between the cross beam (5) and the lifting rod (6), and two ends of the cross beam (5) are respectively hinged with supporting legs (7) through the lifting rod (6);

the rectangular frame (1) comprises a left transverse frame rod (1-1), a right transverse frame rod (1-2) and two longitudinal beams (1-3), the left end and the right end of each longitudinal beam (1-3) are respectively and fixedly connected to the left transverse frame rod (1-1) and the right transverse frame rod (1-2),

the spring upright posts (3) comprise upright post frames (3-1), sliding blocks (3-2), inserting rods (3-3) and upright post springs (3-4), sliding grooves are formed in the lower ends of the upright post frames (3-1), the sliding blocks (3-2) are connected in the sliding grooves in a sliding mode, the upper ends of the inserting rods (3-3) are fixedly connected to the sliding blocks (3-2), the lower ends of the inserting rods (3-3) are connected in circular through holes in the lower ends of the upright post frames (3-1) in a sliding mode, the upright post springs (3-4) are sleeved on the inserting rods (3-3), the upright post springs (3-4) are located between the sliding blocks (3-2) and the upright post frames (3-1), the sliding blocks (3-2) on the two spring upright posts (3) are respectively hinged to the left end of each transverse frame rod (1-1) and the right end of each transverse frame rod (1-2), the upper ends of the two upright post frames (3-1) are respectively hinged with the middle ends of the two cross beams (5).

2. The medical stretcher according to claim 1, characterized in that: the cross beam (5) comprises a cross beam body (5-1) and two leg supports (5-2), the lifting rod (6) comprises a holding rod (6-1), a shaft rod (6-2), a plurality of key ribs (6-3) and a clamping ring (6-4), the inner end of the holding rod (6-1) is fixedly connected with the shaft rod (6-2), the outer end of the shaft rod (6-2) is uniformly and fixedly connected with the key ribs (6-3), the inner end of the shaft rod (6-2) is fixedly connected with the clamping ring (6-4), the shaft rod (6-2) and the key ribs (6-3) are slidably connected in a shaft hole I on the leg supports (5-2), the inner end of the shaft rod (6-2) is slidably connected in a shaft hole II on the cross beam body (5-1), the clamp ring (6-4) is located on the inner side of the beam body (5-1), the lifting rod spring is sleeved on the shaft rod (6-2), the lifting rod spring is located between the clamp ring (6-4) and the beam body (5-1), and the holding rod (6-1) is located on the outer side of the leg support (5-2).