CN107928890A - A kind of Portable multifunctional stretcher - Google Patents

Abstract

The invention discloses a portable multifunctional stretcher. The stretcher includes a main rod, a rotating pair, a walking mechanism, a telescopic rod, a three-way wheel, a rotator, a single wheel, a driving belt, a louver, a baffle, a cover body, a rotating Plates, fixed pulleys and louver shrink ropes; the support rods on both sides of the stretcher are formed by two main rods connected by rotation through the rotating pair. The main rod is a three-stage structure. Solar panels, motors, output shafts, feed blocks, linkage mechanisms and roller sets. There are rotating plates and fixed pulleys in the cover. The rotating plates can rotate to make the drive belt shift, thereby realizing the flattening or erecting of the louvers. , the louver shrink ropes pass through the louver side by side. The invention combines the advantages of the telescopic stretcher and the foldable stretcher, can change the length of multiple sizes, is suitable for elevators of different specifications, and solves the problem that many elevators cannot enter without a medical elevator stretcher.

Description

A portable multifunctional stretcher

technical field

The invention relates to the technical field of stretchers, in particular to a portable multifunctional stretcher.

Background technique

With the development of society, there are more and more high-rise buildings, but because the space of the elevator room is narrow and small, it will be very inconvenient when transporting a patient lying down from the high-rise. In order to solve this problem, a medical stretcher in the prior art It can be roughly divided into two types, one is foldable and the other is retractable. In telescopic stretchers, stretching is generally achieved by increasing or reducing the unsupported space. Using such a stretcher, when encountering a patient with a large weight, the strength of the stretcher will be insufficient, thereby causing potential safety hazards, and even accidents, which will bring additional injuries to the patient.

For the fire rescue process, often used rescue ladders are easily burnt due to excessive fire intensity, resulting in rescue failures and casualties. Therefore, there is an urgent need for a multifunctional rescue stretcher.

Contents of the invention

The purpose of the present invention is to overcome the above problems in the prior art and provide a portable multifunctional stretcher.

In order to achieve the above-mentioned technical purpose and achieve the above-mentioned technical effect, the present invention is realized through the following technical solutions:

A portable multifunctional stretcher, the stretcher includes a main rod, a rotating pair, a walking mechanism, a telescopic rod, a three-way wheel, a rotator, a single wheel, a driving belt, a louver, a baffle, a cover body, a rotating plate, and a fixed pulley and louver shrink cord;

The support rods on both sides of the stretcher are respectively formed by two main rods connected by rotation through a rotating pair. The main rod is a three-stage structure, which is composed of a first rod body, a second rod body, and a third rod body that are sequentially slidably connected. The inner sides of the first rod body, the second rod body, and the third rod body are provided with a row of louver fixed teeth whose heights are sequentially raised;

The rotating pair is respectively provided with a first gear and a second gear on the two adjacent main rods, and the first gear and the second gear constitute an incomplete gear mechanism for adjusting the angle between the two main rods;

The walking mechanism includes a solar panel, a motor, an output shaft, a feed block, a linkage mechanism and a roller group, the solar panel is electrically connected to the motor through a controller and an inverter, and the output shaft of the motor is provided with a There is a threaded part, the inside of the feed block is provided with a threaded groove matching the threaded part, the feed block is connected with the roller group through a linkage mechanism, and the linkage mechanism is composed of a driving rod, a connecting rod and a driven rod ;

The two third rod bodies at one end of the stretcher are respectively connected with triathlon wheels through telescopic rods, and a baffle is connected between the two third rod bodies; the lower ends of the two third rod bodies at the other end of the stretcher are respectively fixed with A single wheel, and a cover is connected between the two third rods, and a rotator is provided at the upper end of at least one third rod;

There are louvers with driving belts between the support rods on both sides of the stretcher, and the cover body is provided with rotating plates and fixed pulleys on both sides. The driving belt connected as a whole, the rotating plate can be rotated by the rotating shaft fixed to it, so that the driving belt can be displaced, and then the louver can be flattened or erected, and the louver is symmetrically opened with perforations. The shrinkage ropes of the louver pass through the perforations on both sides of the louver side by side, and one ends are connected, and the other ends are respectively connected with the rotator via a fixed pulley.

Preferably, in the above-mentioned portable multifunctional stretcher, among the first rod body, the second rod body and the third rod body of the main rod, a friction-reducing ball assembly is provided between the sliding surfaces of two adjacent rod bodies.

Preferably, in the above-mentioned portable multifunctional stretcher, among the first rod body, the second rod body and the third rod body of the main rod, an anti-separation mechanism is provided between two adjacent rod bodies.

Preferably, in the above-mentioned portable multifunctional stretcher, the traveling mechanism is respectively fixed with a front travel control block and a rear travel control block at both ends of the output shaft.

Preferably, in the above-mentioned portable multifunctional stretcher, the roller set of the traveling mechanism includes four rows of rollers.

Preferably, in the above-mentioned portable multi-functional stretcher, the two ends of the baffle are respectively provided with short rotating rods and hooks, and the inner wall of the third rod body is provided with a bar-shaped groove to support its sliding and rotating, and the inner wall is fixed with a The positioning rod that the hook of the baffle fits in the rotating state.

Preferably, in the above-mentioned portable multifunctional stretcher, the rotator is a fixable rotator, including a fixed sleeve, a rotating part, a ball, a blocking plate and a return spring, the lower end of the return spring is fixedly connected to the bottom surface of the fixed sleeve, The upper end is fixedly connected with the rotating part equipped with balls, and the hindering plate can prevent the return spring from being reset when the return spring is compressed, so as to realize the function of fastening the shrinkage rope of the louver.

Preferably, in the above-mentioned portable multifunctional stretcher, the driving belt is a hard belt.

The beneficial effects of the present invention are:

The structure design of the present invention is scientific and reasonable. It combines the advantages of telescopic stretchers and folding stretchers. It can change the length of multiple sizes and is suitable for elevators of different specifications. There is no difficulty when entering the elevator, and there is no need to use a medical elevator specially. Now many elevators do not have the problem that medical elevator stretchers cannot enter.

Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the top view structure schematic diagram of the present invention;

Fig. 3 is the bottom view structure schematic diagram of the present invention;

Fig. 4 is the front view structure schematic diagram of the present invention;

Fig. 5 is the structural representation of main rod among the present invention;

Fig. 6 is a structural schematic diagram of an incomplete gear mechanism on a revolving pair in the present invention;

Fig. 7 is the structural representation of running mechanism among the present invention;

Fig. 8 is a structural schematic diagram 1 of the louver and its upper part in the present invention;

Fig. 9 is a structural schematic diagram II of the louvers and their upper parts in the present invention;

Figure 10 is a schematic view of the internal structure of the rotator in the present invention

Fig. 11 is a schematic structural view of the cover body and its internal parts in the present invention;

Figure 12 is a schematic structural view of a baffle in the present invention;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Fig. 1-12, this embodiment is a portable multifunctional stretcher, which includes a main rod 1, a rotating pair 2, a running mechanism 3, a telescopic rod 4, a three-way wheel 5, a rotator 6, a single Wheel 7, driving belt 8, louver plate 9, baffle plate 10, cover body 11, rotating plate 12, fixed pulley 13 and louver plate shrinkage rope 14.

The support rods on both sides of the stretcher are respectively formed by two main rods 1 connected by rotation through the rotating pair 2. The main rod 1 is a three-stage structure, which is composed of a first rod body 101, a second rod body 102, and a third rod body 103. , A row of louver fixing teeth 104 are arranged on the inside of the first rod body 101 , the second rod body 102 , and the third rod body 103 , whose heights are sequentially raised. In the first rod body 101, the second rod body 102, and the third rod body 103 of the main rod 1, a ball assembly for reducing friction is provided between the sliding surfaces of two adjacent rod bodies, and a ball assembly is also provided between the adjacent two rod bodies. Anti-disengagement mechanism.

The rotating pair 2 is located on the two main rods 1 adjacent to it and is respectively provided with a first gear 201 and a second gear 202. The first gear 201 and the second gear 202 form an incomplete gear for adjusting the angle between the two main rods 1. mechanism.

Travel mechanism 3 comprises solar panel 301, motor 302, output shaft 303, feed block 304, connecting rod mechanism and roller group 308, solar panel 301 is electrically connected with motor 302 by controller, inverter, the output of motor 302 The shaft 303 is provided with a threaded portion, and the inside of the feed block 304 is provided with a threaded groove cooperating with the threaded portion. The feed block 304 is connected with the roller group through a linkage mechanism. The linkage mechanism is composed of a driving rod 305, a connecting rod 306 and a driven The rod 307 is formed, and the driving rod 305 and the driven rod 307 are fixed on both sides of the connecting rod 306 through the hinge direction. The traveling mechanism 3 is respectively fixed with a front stroke control block 309 and a rear stroke control block 310 at both ends of the output shaft 303 . The roller group 308 of running mechanism comprises four rows of rollers.

Two third rod bodies 103 at one end of the stretcher are respectively connected with triathlon wheels 5 through telescopic rods 4 , and a baffle plate 10 is connected between the two third rod bodies 103 . The two ends of the baffle plate 10 are respectively provided with a short rotating rod 1001 and a hook 1002, and the inner wall of the third rod body 103 is provided with a strip groove to support its sliding and rotation, and the inner wall is fixed with the hook 1002 of the baffle plate 10 in the rotating state. Fitting positioning rod.

The lower ends of the two third rods 103 at the other end of the stretcher are respectively fixed with a single wheel 7 , and the cover 11 is connected between the two third rods 103 , and the upper end of at least one third rod 103 is provided with a rotator 6 .

A louver 9 with a drive belt 8 is arranged between the support rods on both sides of the stretcher. A rotating plate 12 and fixed pulleys 13 located on both sides of the cover body 11 are provided. The driving belt 8 connected as a whole is connected, and the rotation plate 12 can rotate the rotating shaft fixed to it, so that the driving belt 8 can be displaced, and then the louver 9 can be flattened or erected. The louver 9 is symmetrically provided with perforations. Board contraction rope 14 passes through the perforation on both sides of louver 9 side by side, and one end is connected, and the other end is connected with rotator 6 through a fixed pulley respectively.

The rotator 6 is a fixable rotator, including a fixed sleeve 601, a rotating part 602, a ball 603, a blocking plate 604 and a return spring 605. The rotating part 602 is fixedly connected, and the blocking plate 604 can prevent the reset of the reset spring 605 when the reset spring 605 is compressed, so as to realize the function of fastening the shrinking rope 145 of the louver.

A specific application of this embodiment is: the design of the louver 9 is similar to that of a traditional louver, forming a stretcher surface. Driving belt 8 is a hard belt, and can be selected to have the cloth system material of certain hardness to make, and driving belt 8 can control the rotation of plate, can play the purpose of packing up plate again. When the louver 9 is at 90° to the horizontal plane, the rotator 6 is used to roll up the rope, and all the louvers 9 are retracted. The function of the fixed pulley 13 is to reduce the friction when tightening the shrinking rope 14 of the louver, and also change the rope force direction of conduction.

In the description of this specification, descriptions with reference to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment of the present invention. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (8)

1. A portable multifunctional stretcher, characterized in that: the stretcher includes a main rod, a rotating pair, a running mechanism, a telescopic rod, a three-wheel, a rotator, a single wheel, a driving belt, a louver, a baffle, and a cover , rotating plate, fixed pulley and shutter shrinkage rope; The support rods on both sides of the stretcher are respectively formed by two main rods connected by rotation through a rotating pair. The main rod is a three-stage structure, which is composed of a first rod body, a second rod body, and a third rod body that are sequentially slidably connected. The inner sides of the first rod body, the second rod body, and the third rod body are provided with a row of louver fixed teeth whose heights are sequentially raised; The rotating pair is respectively provided with a first gear and a second gear on the two adjacent main rods, and the first gear and the second gear constitute an incomplete gear mechanism for adjusting the angle between the two main rods; The walking mechanism includes a solar panel, a motor, an output shaft, a feed block, a linkage mechanism and a roller group, the solar panel is electrically connected to the motor through a controller and an inverter, and the output shaft of the motor is provided with a There is a threaded part, the inside of the feed block is provided with a threaded groove matching the threaded part, the feed block is connected with the roller group through a linkage mechanism, and the linkage mechanism is composed of a driving rod, a connecting rod and a driven rod ; The two third rod bodies at one end of the stretcher are respectively connected with triathlon wheels through telescopic rods, and a baffle is connected between the two third rod bodies; the lower ends of the two third rod bodies at the other end of the stretcher are respectively fixed with A single wheel, and a cover is connected between the two third rods, and a rotator is provided at the upper end of at least one third rod; There are louvers with driving belts between the support rods on both sides of the stretcher, and the cover body is provided with rotating plates and fixed pulleys on both sides. The driving belt connected as a whole, the rotating plate can be rotated by the rotating shaft fixed to it, so that the driving belt can be displaced, and then the louver can be flattened or erected, and the louver is symmetrically opened with perforations. The shrinkage ropes of the louver pass through the perforations on both sides of the louver side by side, and one ends are connected, and the other ends are respectively connected with the rotator via a fixed pulley. 2. The portable multifunctional stretcher according to claim 1, characterized in that: among the first rod body, the second rod body, and the third rod body of the main rod, a lowering is provided between the sliding surfaces of two adjacent rod bodies. Friction ball assembly. 3. The portable multifunctional stretcher according to claim 1, characterized in that: among the first rod body, the second rod body and the third rod body of the main rod, an anti-separation mechanism is provided between two adjacent rod bodies. 4. The portable multifunctional stretcher according to claim 1, characterized in that: the traveling mechanism is respectively fixed with a front travel control block and a rear travel control block at both ends of the output shaft. 5. The portable multifunctional stretcher according to claim 1, characterized in that: the roller set of the traveling mechanism includes four rows of rollers. 6. The portable multifunctional stretcher according to claim 1, characterized in that: the two ends of the baffle are respectively provided with short rotating rods and hooks, and the inner wall of the third rod body is provided with a bar to support its sliding and rotating. shaped groove, the inner wall is fixed with a positioning rod that cooperates with the hook of the baffle in the rotating state. 7. The portable multifunctional stretcher according to claim 1, characterized in that: the rotator is a fixable rotator, including a fixed sleeve, a rotating part, a ball, a blocking plate and a return spring, and the return spring The lower end is fixedly connected with the bottom surface of the fixed sleeve, and the upper end is fixedly connected with the rotating part equipped with balls. The hindering plate can prevent the return spring from resetting when the return spring is compressed, so as to realize the effect of fastening the shrinkage rope of the louver. 8. The portable multifunctional stretcher according to claim 1, wherein the driving belt is a hard belt.