CN114767396B - Rapidly detachable field rescue stretcher and application method thereof - Google Patents
Rapidly detachable field rescue stretcher and application method thereof Download PDFInfo
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- CN114767396B CN114767396B CN202210395644.XA CN202210395644A CN114767396B CN 114767396 B CN114767396 B CN 114767396B CN 202210395644 A CN202210395644 A CN 202210395644A CN 114767396 B CN114767396 B CN 114767396B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 45
- 238000004804 winding Methods 0.000 claims description 33
- 235000014676 Phragmites communis Nutrition 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000007480 spreading Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 12
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000037974 severe injury Diseases 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
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Abstract
The invention relates to a rapidly detachable field rescue stretcher and a use method thereof, and belongs to the technical field of medical stretchers. The stretcher comprises a foldable frame and stretcher cloth detachably connected with the frame, wherein the frame comprises two longitudinal connecting rods, the two longitudinal connecting rods are connected through a foldable transverse connecting rod, and the end parts of the longitudinal connecting rods are also provided with armrests detachably connected; the stretcher comprises a transverse connecting rod and a longitudinal connecting rod, wherein the transverse connecting rod and the longitudinal connecting rod are provided with first connecting parts for connecting stretcher cloth, and second connecting parts matched with the first connecting parts are arranged around the stretcher cloth. The method can reduce the secondary carrying process to wounded persons, even can finish the carrying process without carrying the wounded persons in direct contact, and reduces the possibility of secondary injury.
Description
Technical Field
The invention belongs to the technical field of medical stretchers, and particularly relates to a rapidly detachable field rescue stretcher and a use method thereof.
Background
In the process of rescuing wounded, a stretcher is one of important carriers in the process of transporting wounded, and transporting wounded to a hospital bed is generally divided into 3 steps, wherein the wounded is moved to the stretcher in the first step, the wounded on the stretcher is moved to a transport vehicle in the second step, the wounded is transported to a medical point by the vehicle, and the wounded is moved away from the transport vehicle in the third step and is transported to the hospital bed by the stretcher. The process needs to be completed by cooperation of multiple persons or can cause secondary injury, especially in battlefield environment or field rescue, the wounded person has heavy injury, and the fracture wounded person of cervical vertebra and the like is not suitable for frequent transportation. At present, the wounded person is lifted up to a stretcher, transported to a treatment point and then lifted to a patient bed, and the wounded person is possibly injured secondarily in the process under the condition of being directly contacted with the wounded person for carrying twice in the process, so that the treatment difficulty is increased.
Disclosure of Invention
Therefore, the invention aims to provide the rapidly detachable field rescue stretcher and the use method thereof, which can reduce the process that the wounded can lie on the sickbed by carrying the wounded only once, even can finish the carrying process without carrying the wounded in a direct contact way, and reduce the possibility of secondary injury.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the quick detachable field rescue stretcher comprises a foldable frame and stretcher cloth detachably connected with the frame, wherein the frame comprises two longitudinal connecting rods, the two longitudinal connecting rods are connected through a foldable transverse connecting rod, and the end parts of the longitudinal connecting rods are also provided with armrests detachably connected; the stretcher comprises a transverse connecting rod and a longitudinal connecting rod, wherein the transverse connecting rod and the longitudinal connecting rod are provided with first connecting parts for connecting stretcher cloth, and second connecting parts matched with the first connecting parts are arranged around the stretcher cloth.
Further, the first connecting part and the second connecting part are sticky magic tapes, and the stretcher cloth is provided with a detachable headrest.
Further, the first connecting part is an integrated hook, the second connecting part is a soft girdle, and the stretcher cloth is provided with a detachable headrest.
Further, one end of the transverse connecting rod is provided with a threaded hole, and the threaded hole is connected with a screw rod penetrating through the first longitudinal connecting rod; a knob is also arranged on the screw rod; the other end of the transverse connecting rod is fixed on the second longitudinal connecting rod.
Further, the transverse connecting rod is a hollow pipe; the transverse connecting rod is disconnected into two sections from the middle, and the two sections of transverse connecting rods are connected through a hinged bracket capable of being folded downwards; a fixed baffle is fixedly arranged in one section of transverse connecting rod, the fixed baffle is connected with one end of a spring positioned in the transverse connecting rod, the other end of the spring is connected with an L-shaped bolt, one part of the L-shaped bolt is positioned in the transverse connecting rod and used for splicing two sections of transverse connecting rods, and the other part of the L-shaped bolt extends to the outside of the transverse connecting rod through a guide rail on the transverse connecting rod; the guide rail is axially arranged along the transverse connecting rod, and one side of the guide rail, which is close to the spring, is also provided with an L-shaped limiting opening for limiting the movement of the L-shaped bolt.
Further, the armrests are connected with the longitudinal connecting rods in a threaded matching mode.
Further, the handrail comprises a storage groove, a stay bar arranged at one end of the storage groove and rotationally connected with the handrail, and a button clamping device for controlling the stay bar to rotate;
the button clamping device comprises a rifling rod, one end of the rifling rod is fixedly connected with the side wall of the first tube body in the button clamping device, and the other end of the rifling rod extends out of the handrail through a guide rail hole formed along the axial direction of the handrail; the first pipe body is a hollow pipe, the bottom of the first pipe body is open, the top of the first pipe body is connected with a second spring fixedly arranged on the button clamping device, and the side wall of the first pipe body is provided with a fine hole for a winding rope b to pass through and a first convex tooth for clamping; an annular baffle is further arranged in the first pipe body, and an inner latch is arranged in the middle of the annular baffle in a penetrating manner; the bottom of the inner clamping tooth is of a conical structure, and the top of the inner clamping tooth is connected with the winding rope b;
the opening end of the first pipe body is correspondingly provided with a second pipe body, and the outer diameter of the second pipe body is smaller than the inner diameter of the first pipe body; a reed is arranged in the second pipe body, the reed is arc-shaped, and a through hole is formed in the side wall of the second pipe body, which is opposite to the arc-shaped top end of the reed;
the button clamping device further comprises a button which is arranged on the armrest and can be pressed, a poking tooth which is correspondingly matched with the through hole on the second pipe body is rotationally arranged on the button, a torsion spring for aligning is arranged on a rotating shaft of the poking tooth, and the free end of the torsion spring is connected with a baffle plate fixedly arranged on the button; the button is also connected with a U-shaped structure, the U-shaped structure surrounds the second pipe body, the outer side end of the U-shaped structure, far away from the button, is connected with a third spring, one end of the third spring is connected with the U-shaped structure, the other end of the third spring is fixed on a blocking plate, the blocking plate is fixed at the bottom of the handrail, and a fixed pulley is arranged at the top of the blocking plate; the inner side end of the U-shaped structure, which is far away from the button, is provided with a second convex tooth matched with the first convex tooth;
the winding rope b is connected with one end of the supporting rod through the pore of the side wall of the first pipe body and the fixed pulleys, one side of the supporting rod, which is opposite to the winding rope b, is also connected with a winding rope a, and the other end of the winding rope a is connected with a first spring positioned at the bottom of the handrail through the fixed pulleys.
The use method of the rapidly detachable field rescue stretcher comprises the following steps: spreading the stretcher cloth, placing the wounded on the stretcher cloth, then passing the frame through the wounded from the upper part, placing the frame on the stretcher cloth, connecting the second connecting part on the stretcher cloth and the first connecting part on the frame with each other, then lifting the wounded into the transport vehicle for transportation, and directly placing the stretcher on the sickbed when the wounded is brought into the sickbed, separating the first connecting part from the second connecting part, and taking the frame away for the next wounded treatment.
Further, a knob connected with the transverse beam rod and the first longitudinal connecting rod is rotated to change the distance between the longitudinal connecting rods so as to adjust the tightness of the bearing surface of the stretcher cloth;
when the stretcher needs to be folded, the L-shaped bolt moves along the direction of the spring, the spring is compressed, the L-shaped bolt is rotated to be fixed at the L-shaped limiting opening, the bolt withdraws from the other section of cross rod, and the frame is rotated and folded along the hinged support; when the frame needs to be fixed, the two sections of transverse connecting rods are contacted together, the L-shaped bolt is rotated to leave the L-shaped limiting opening, and under the action of spring force, the L-shaped bolt is moved along the guide rail to be inserted into the transverse connecting rod at the other end, so that the locking of the two sections of transverse connecting rods is realized.
Further, the opening and closing method of the stay bar,
pulling the rifling rod to enable the first pipe body and the inner clamping teeth in the first pipe body to move together, enabling the first pipe body to pass through the U-shaped structure and be sleeved on the second pipe body, loosening the rifling rod, enabling the third spring to rebound, enabling the first convex teeth and the second convex teeth to be mutually clamped, and enabling the first pipe body to be fixed outside the second pipe body; the inner clamping teeth enter the second pipe body, and are clamped and fixed with holes on the side wall of the second pipe body under the extrusion of the reed, so that the inner clamping teeth are fixed, and at the moment, the winding rope b is in a loose and unstressed state;
the button is pressed for the first time, the U-shaped structure translates and compresses the third spring, the second convex tooth moves along with the U-shaped structure, the first convex tooth and the second convex tooth are far away from each other, the first pipe body moves upwards under the action of the second spring, when the button is pressed for the first time, the poking tooth is blocked by the first pipe body and rotates around the self shaft, the poking tooth cannot enter the hole on the side wall of the second pipe body, and the inner clamping tooth is still clamped inside the second pipe body; the first pipe body is far away from the inner clamping teeth, so that the winding rope b is stretched, and the winding rope b drives the stay bar to rotate until the stay bar is perpendicular to the handrail; the stay bar is opened;
the button is pressed for the second time, the poking teeth enter the holes on the side wall of the second pipe body, the inner clamping teeth are ejected out, the inner clamping teeth are separated from the second pipe body, at the moment, the distance between the first pipe body and the inner clamping teeth is reduced, the winding rope b enters a loose state, and the supporting rod is returned into the handrail under the tension of the first spring.
The invention has the beneficial effects that:
in the field or battlefield environment, the wounded mostly accompanies fracture or severe injury, and is not suitable for lifting, the portable detachable rescue stretcher designed by the invention has the advantages that the soft bearing surface of the stretcher is easy to assemble and separate from the stretcher frame body, the stretcher can be directly placed under a sickbed, then the stretcher is taken down, the process that the wounded can lie on the sickbed can be completed by carrying the wounded only once, even the process can be completed without carrying the wounded in a direct contact way, the possibility of secondary injury is reduced, and the rescue efficiency is increased. The stretcher frame is foldable, and the armrests are detachable and foldable, so that the stacking volume of the stretcher is reduced, and the stretcher is convenient to carry by an individual or large-scale transportation and carrying. The supporting rod capable of being automatically ejected can enable a person to automatically eject the supporting rod from 4 handrails when the wounded person needs to park on the ground for rest, so that the wounded person is conveniently placed on the ground, the wounded person is not in contact with the ground, the supporting rod can be automatically recovered by pressing the button again, and the stretcher is greatly convenient for the user of the stretcher.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a rapidly detachable rescue stretcher;
FIG. 2 is a schematic diagram of another rapidly detachable rescue stretcher;
FIG. 3 is a schematic view of a connection structure of a transverse link and a longitudinal link with adjustable length;
FIG. 4 is a schematic view of a transverse link fixed connection structure;
FIG. 5 is a schematic view of the connection structure of the transverse link when folded;
FIG. 6 is a schematic view of the path of an L-shaped latch;
FIG. 7 is a schematic view of the connection structure of the armrest;
FIG. 8 is a schematic view of the structure of an armrest of the automatic opening/closing stay;
fig. 9 is an enlarged schematic view of the structure at C of fig. 8.
Reference numerals: the device comprises a longitudinal connecting rod 1, a transverse connecting rod 2, a handrail 3, a stretcher cloth 4, a headrest 5, a magic tape 401, a magic tape 402, an endless belt 403, a hook 101, a knob 201, a screw 202, an L-shaped bolt 203, a spring 204, a fixed baffle 205, a hinged support 206, a guide rail 207, an L-shaped limiting opening 208, a stay 301, a first spring 302, a fixed pulley 303, a fixed baffle 304, a storage groove 305, a rotating member 306, a first pipe body 311, a fine hole 312, an annular baffle 313, a first convex tooth 314, a second spring 315, a top-hole 316, a guide rail hole 317, an inner clamping tooth 318, a second pipe body 321, a reed 322, a button 331, a poking tooth 332, a torsion spring 333, a baffle 334, a U-shaped structure 335, a second convex tooth 336, a blocking plate 341 and a third spring 342.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-2, a rapidly detachable field rescue stretcher is suitable for various field rescue places to achieve rapid rescue of wounded persons. Comprises a foldable frame and stretcher cloth 4 detachably connected with the frame, wherein the frame comprises a transverse connecting rod 2, a longitudinal connecting rod 1 and an armrest 3; the transverse connecting rod 2 and the longitudinal connecting rod 1 are provided with a first connecting part for connecting the stretcher cloth 4, the periphery of the stretcher cloth 4 is provided with a second connecting part matched with the first connecting part,
referring to fig. 1 specifically, the first connection portion and the second connection portion are made of an adhesive material, specifically a magic tape, or may be other attachable and detachable adhesive objects, and the first connection portion and the second connection portion may be attached to or detached from each other through the attachable magic tape; specifically, the magic tapes 402 around the stretcher 4 are round hairs, and the magic tapes on the transverse connecting rod 2 and the longitudinal connecting rod 1 are hook hairs, which are mutually matched for fixing. The stretcher cloth 4 is also provided with a detachable headrest 5, the setting of the headrest 5 can increase the comfort of the wounded on the stretcher, the stretcher cloth 4 and the headrest 5 are also fixed through the sticky magic tape, the magic tape 401 in the stretcher cloth 4 is round wool, and the two ends of the stretcher cloth 4 are provided with settings so as to adapt to the wounded lying in different directions, and the magic tape on the headrest 5 is hooked wool which is matched and fixedly connected with the round wool on the stretcher cloth 4.
Preferably, the first connecting portion and the second connecting portion may be connected with the soft endless belt 403 by using hooks 101, referring to fig. 2, a plurality of integral hooks 101 are uniformly arranged on the rods on the transverse connecting rod 2 and the longitudinal connecting rod 1, and the hooks 101 are uniformly distributed on the rod bodies of the transverse connecting rod 2 and the longitudinal connecting rod 1, and the free ends face the outer ends of the frames, so that the soft endless belt 403 on the stretcher cloth 4 is conveniently connected.
When a wounded person is treated, the stretcher cloth 4 is tiled, and the wounded person is placed on the stretcher cloth 4, or the stretcher cloth 4 is directly penetrated from the lower part of the wounded person; then pass the wounded from top to bottom with the frame, place on the stretcher cloth 4, connect the first connecting portion on second connecting portion and the frame on the stretcher cloth 4 each other, make the wounded be located whole stretcher, then lift into the transport vechicle with the wounded and transport, when taking into the sick bed, directly place the stretcher on the sick bed, separate first connecting portion and second connecting portion, the quick frame of taking away for next wounded rescue, it just can realize the rescue of a large amount of wounded through the frame of a stretcher.
Referring to fig. 3, a connection structure capable of adjusting the tightness of the stretcher cloth 4 is provided, which adjusts the tightness of the stretcher cloth 4 by adjusting the distance between the two longitudinal links 1. One end of a transverse connecting rod 2 is fixed on a second longitudinal connecting rod 1 on the left side, a connecting hole with internal threads is formed in the other end of the transverse connecting rod 2, a screw 202 with a knob 201 vertically penetrates through the first longitudinal connecting rod 1 on the right side and is connected with the connecting hole of the transverse connecting rod 2 through external threads at the end part, two A, B blocking surfaces are further arranged on the first longitudinal connecting rod 1, and the screw 202 is fixed with the first longitudinal connecting rod, so that the screw 202 can only rotate around the axis of the screw 202 and cannot move left and right relative to the A, B blocking surfaces; when the stretcher cloth 4 needs to be stretched, the knob 201 is rotated anticlockwise, the screw 202 is rotated, the screw 202 and the connecting hole relatively move, the screw 202 moves towards the direction away from the transverse connecting rod 2, the first longitudinal connecting rod is driven to be away from the second longitudinal connecting rod, the distance between the first longitudinal connecting rod and the second longitudinal connecting rod is increased, the bearing surface of the stretcher cloth 4 is in a stretched state, so that a wounded person can have better lying experience, and the wounded person can be fixed better; when the stretcher cloth 4 needs to be taken down, the knob 201 is rotated in the opposite direction, the screw 202 approaches the transverse connecting rod 2 along the connecting hole, so that the first longitudinal connecting rod 1 approaches the second longitudinal connecting rod 1, the bearing surface of the stretcher cloth 4 is loosened, and the stretcher cloth 4 can be taken down rapidly.
Referring to fig. 4-6, a folding portion of the foldable frame is formed by breaking a transverse link 2 from the middle into two sections, wherein one section of the transverse link is connected with a first longitudinal link through a screw 202, and the other section of the transverse link 2 is fixed on a second longitudinal link; the two sections of transverse connecting rods 2 are hollow pipes, and the inside of each transverse connecting rod is hollow for moving or inserting an L-shaped bolt; the breaks are connected by a hinged bracket 206 that can be folded down; the hinge bracket 206 is formed by hinging two metal sheets connected with the two sections of transverse connecting rods 2 respectively, and when the transverse connecting rods 2 are connected together, the whole hinge bracket 206 and the transverse connecting rods 2 form a triangle. A guide rail 207 is arranged on a section of transverse connecting rod 2 fixedly connected with the second longitudinal connecting rod 1 and used for limiting the movement path of the L-shaped bolt 203, the guide rail 207 is arranged along the axial direction of the transverse connecting rod 2, and one end of the guide rail 207, which is not close to a spring, is also provided with an L-shaped limiting opening 208 and used for fixing the L-shaped bolt 203; the L-shaped bolt 203 is connected with the spring 204, a fixed baffle 205 for blocking the spring 204 is arranged at the other end of the spring 204, and a blocking piece is fixed on the transverse connecting rod 2; the L-shaped latch 203 can move along the guide rail 207, so that a part of the latch positioned in the transverse link is inserted into the other transverse link 2 to fix the two transverse links 2.
When the stretcher needs to be folded, the part of the L-shaped plug 203 extending out of the transverse connecting rod 2 moves along the guide rail 207 towards the direction of the spring 204, the spring 204 is compressed, and when the L-shaped plug 208 is reached, the L-shaped plug 203 is rotated to be fixed at the L-shaped limit 208, at the moment, the L-shaped plug 203 is withdrawn from the other section of cross rod, and the two sections of cross rods are separated; simultaneously, the inner transverse connecting rods 2 of the two longitudinal connecting rods 1 are separated at the same time, and the whole frame can be folded along the hinge bracket 206 in a rotating way; when the frame needs to be fixed, the two sections of transverse connecting rods 2 are contacted together, the L-shaped plug 203 is rotated to leave the L-shaped limiting opening 208, the L-shaped plug 203 moves along the guide rail 207 under the action of the spring 204, one end part of the L-shaped plug is inserted into the transverse connecting rod 2 at the other end of the L-shaped plug, the locking of the two sections of transverse connecting rods 2 is realized, after all the transverse connecting rods 2 between the longitudinal connecting rods 1 are locked, the frame is fixed, the stacking volume of the stretcher is reduced in the whole process, and the stretcher is convenient for individual soldiers to carry, or large-scale transportation and carrying are realized.
Please refer to fig. 7, which is a detachable armrest connecting structure, wherein a threaded rod is arranged on one end face of the armrest 3, a threaded hole matched with the threaded rod is arranged on the end face of the longitudinal connecting rod 1, the armrest 3 can be detached from or replaced by the threaded rod and the threaded hole of the longitudinal connecting rod 1, and different armrests 3 can adapt to different working conditions, such as an anti-slip armrest arranged in a rainforest, a cotton armrest arranged in an extremely cold area, or an armrest structure with an automatic opening and closing stay bar.
As shown in fig. 8-9, in an armrest structure of an automatic opening and closing stay bar, by arranging a stay bar 301 on an armrest 3, the stay bar 301 is a foot for supporting a stretcher to be placed on a ground level, when a stretcher lifting person needs to rest, the wounded person can be prevented from contacting the ground when the stretcher is placed on the ground, so as to prevent infection, and the existing stretcher mostly adopts a fixed stay bar vertical to a frame, which occupies a large space and is inconvenient to carry.
In this embodiment, a stay 301 is provided in the middle of the handrail 3, and a receiving groove 305 for receiving the stay 301 is provided, the stay 301 is rotatably disposed on a side wall of the handrail 3, and a rotating member 306 is provided in the middle of the handrail 3, and optionally, the rotating member 306 is an axis traversing the stay 301 and connected to the side wall of the handrail, so that the stay 301 can rotate around the axis. One part of the stay bar 301 is positioned inside the handrail 3, the other part of the stay bar 301 is positioned outside the handrail 3, and the opposite sides of one end of the stay bar 301 extending into the handrail 3 are respectively connected with a winding rope a and a winding rope b, and the winding rope a and the winding rope b respectively provide two forces in different directions so that the stay bar 301 rotates around the rotating piece 306; the winding rope a is connected with the first spring 302 at the bottom of the handrail 3 through a pulley, the winding rope b sequentially passes through the fixed pulleys 303 at the top fixed baffle 304 of the handrail 3, a plurality of fixed pulleys 303 at the side wall of the handrail 3, enters the button clamping device, passes through the fixed pulleys 303 on the blocking plate 341, passes through the fine holes 312 at the upper part of the first pipe body 311, and then is connected with the inner clamping teeth 318. The position of the connecting stay 301 around the cables a and b and the passing fixed pulley can be adaptively adjusted according to the actual stress direction.
As shown in fig. 9, a first tube body 311 is arranged in the button clamping device, the first tube body 311 is a hollow tube, one end of the first tube body is open, the other end of the first tube body is connected with a second spring 315 fixed at the top of the button clamping device, and a fine hole 312 for passing a winding rope b and a first convex tooth 314 for clamping are arranged on the outer side wall of the first tube body 311; a rifling 316 is further connected to one side of the opposite pore 312, the rifling 316 extends out of the handrail 3 through a guide rail hole 317 on the handrail 3, and the guide rail hole 317 is opened along the axial direction of the handrail 3; the first pipe body 311 is also internally provided with an annular baffle 313, and inner clamping teeth 318 penetrate through the annular baffle 313; the inner latch 318 is elongated and tubular, and a tapered latch is provided at a free end thereof remote from the winding wire b.
The opening end of the first pipe body 311 is correspondingly provided with a second pipe body 321, and the outer diameter of the second pipe body 321 is smaller than the inner diameter of the first pipe body 311; the first pipe body 311 can be sleeved outside the second pipe body 321, a reed 322 is arranged in the second pipe body 321, the reed 322 is fixed in the second pipe body 321 in an arc shape, and a hole is formed on the side wall of the second pipe body 321 opposite to the top of the arc reed 322; for engaging the tapered latch at the end of the inner latch 318.
The button clamping device further comprises a button 331 which is arranged on the handrail 3 and can be pressed, a shifting tooth 332 which is matched with the hole of the second pipe body 321 is arranged on the button 331, the shifting tooth 332 is rotatably arranged on the button 331, a torsion spring 333 is arranged on a rotating shaft of the shifting tooth 332, and a baffle 334 is arranged at the free end of the torsion spring 333; the torsion spring 333 and the baffle 334 are used for returning the poking teeth 332, so that the free ends of the poking teeth 332 are opposite to the holes formed on the side wall of the second tube 321 under the condition that the poking teeth 332 are not subjected to other external forces; the button 331 is further connected with a U-shaped structure 335, the U-shaped structure 335 surrounds the second pipe body 321, the inner side end of the U-shaped structure 335 is provided with a second convex tooth 336 matched with the first convex tooth 314, the outer side of the second convex tooth 336 is further connected with a third spring 342, one end of the third spring 342 is connected with the U-shaped structure 335, and the other end of the third spring 342 is fixed on the blocking plate 334 for rebound reset of the button 331.
When the handrail 3 with the automatic opening and closing stay bar structure is used, the upper rifling bar 316 is pulled along the guide rail hole 317 on the handrail 3, so that the first pipe body 311 and the inner clamping teeth 318 inside the first pipe body 311 move downwards together, the first pipe body 311 passes through the U-shaped structure 335 and is sleeved on the second pipe body 321, the upper rifling bar 316 is loosened, the third spring 342 rebounds, the first convex teeth 314 and the second convex teeth 336 are mutually clamped, and the first pipe body 311 is fixed outside the second pipe body 321; the inner latch 318 enters the second pipe body 321, under the extrusion of the reed 322, the conical latch at the end part of the inner latch 318 is clamped and fixed with the hole on the side wall of the second pipe body 321, the inner latch 318 is fixed, and at the moment, the winding rope b is in a loose and unstressed state;
pressing the button 331 for the first time, translating the U-shaped structure 335 and compressing the third spring 342, so that the second convex tooth moves along with the U-shaped structure 335, the first convex tooth 314 and the second convex tooth move away from each other, so that the first pipe body 311 moves upwards under the action of the second spring 315, when the button 331 is pressed for the first time, the shifting tooth 332 is blocked by the first pipe body 311 and rotates around the self axis, and the shifting tooth 332 cannot enter the hole on the side wall of the second pipe body 321, so that the inner clamping tooth 318 is still clamped inside the second pipe body 321; at this time, the first tube 311 is far away from the inner clamping teeth 318, that is, the fine hole 312 on the first tube 311 is far away from the inner clamping teeth 318, so that the winding rope b is stretched, at this time, the tension of the second spring 315 is greater than that of the first spring 302, and the winding rope b drives the stay rod 301 to rotate until the stay rod 301 is perpendicular to the handrail 3; the stay 301 is opened;
pressing the button 331 a second time, the pulling tooth 332 enters the hole on the side wall of the second pipe body 321, and the conical latch of the inner latch 318 is ejected to separate the inner latch 318 from the second pipe body 321, at this time, the distance between the first pipe body 311 and the inner latch 318 is reduced, the winding rope b enters a loose state, and the winding rope a returns the stay bar 301 to the storage groove 305 of the armrest 3 under the tension of the first spring 302, so as to complete one-time opening and closing of the stay bar 301. The rifling 316 can be pulled on continuously when using next time, and its whole use is simple and convenient, and the transportation is accomodate in convenient to use.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a but quick dismantlement's open-air rescue stretcher which characterized in that: the stretcher comprises a foldable frame and stretcher cloth detachably connected with the frame, wherein the frame comprises two longitudinal connecting rods, the two longitudinal connecting rods are connected through a foldable transverse connecting rod, and the end parts of the longitudinal connecting rods are also provided with armrests detachably connected; the transverse connecting rod and the longitudinal connecting rod are provided with a first connecting part for connecting stretcher cloth, and the periphery of the stretcher cloth is provided with a second connecting part matched with the first connecting part;
the handrail comprises a storage groove, a stay bar arranged at one end of the storage groove and rotationally connected with the handrail, and a button clamping device for controlling the stay bar to rotate;
the button clamping device comprises a rifling rod, one end of the rifling rod is fixedly connected with the side wall of the first tube body in the button clamping device, and the other end of the rifling rod extends out of the handrail through a guide rail hole formed along the axial direction of the handrail; the first pipe body is a hollow pipe, the bottom of the first pipe body is open, the top of the first pipe body is connected with a second spring fixedly arranged at the top of the button clamping device, and the side wall of the first pipe body is provided with a fine hole for a winding rope b to pass through and a first convex tooth for clamping;
an annular baffle is further arranged in the first pipe body, and an inner latch is arranged in the middle of the annular baffle in a penetrating manner; the bottom of the inner clamping tooth is of a conical structure, and the top of the inner clamping tooth is connected with the winding rope b; the opening end of the first pipe body is correspondingly provided with a second pipe body, and the outer diameter of the second pipe body is smaller than the inner diameter of the first pipe body; a reed is arranged in the second pipe body, the reed is arc-shaped, and a through hole is formed in the side wall of the second pipe body, which is opposite to the arc-shaped top end of the reed;
the button clamping device further comprises a button which is arranged on the armrest and can be pressed, a poking tooth which is correspondingly matched with the through hole on the second pipe body is rotationally arranged on the button, a torsion spring for aligning is arranged on a rotating shaft of the poking tooth, and the free end of the torsion spring is connected with a baffle plate fixedly arranged on the button; the button is also connected with a U-shaped structure, the U-shaped structure surrounds the second pipe body, the outer side end of the U-shaped structure, far away from the button, is connected with a third spring, one end of the third spring is connected with the U-shaped structure, the other end of the third spring is fixed on a blocking plate, the blocking plate is fixed at the bottom of the handrail, and a fixed pulley is arranged at the top of the blocking plate; the inner side end of the U-shaped structure, which is far away from the button, is provided with a second convex tooth matched with the first convex tooth;
the winding rope b is connected with one end of the supporting rod through the pore of the side wall of the first pipe body and the fixed pulleys, one side of the supporting rod, which is opposite to the winding rope b, is also connected with a winding rope a, and the other end of the winding rope a is connected with a first spring positioned at the bottom of the handrail through the fixed pulleys.
2. A rapidly detachable wild rescue stretcher according to claim 1, characterized in that: the first connecting part and the second connecting part are sticky magic tapes, and the stretcher cloth is provided with a detachable headrest.
3. A rapidly detachable wild rescue stretcher according to claim 1, characterized in that: the first connecting part is an integrated hook, the second connecting part is a soft girdle, and the stretcher cloth is provided with a detachable headrest.
4. A rapidly detachable wild rescue stretcher according to claim 1, characterized in that: one end of the transverse connecting rod is provided with a threaded hole, and the threaded hole is connected with a screw rod penetrating through the first longitudinal connecting rod; a knob is also arranged on the screw rod; the other end of the transverse connecting rod is fixed on the second longitudinal connecting rod.
5. A rapidly detachable wild rescue stretcher according to claim 1, characterized in that: the transverse connecting rod is a hollow pipe; the transverse connecting rod is disconnected into two sections from the middle, and the two sections of transverse connecting rods are connected through a hinged bracket capable of being folded downwards; a fixed baffle is fixedly arranged in one section of transverse connecting rod, the fixed baffle is connected with one end of a spring positioned in the transverse connecting rod, the other end of the spring is connected with an L-shaped bolt, one part of the L-shaped bolt is positioned in the transverse connecting rod and used for splicing two sections of transverse connecting rods, and the other part of the L-shaped bolt extends to the outside of the transverse connecting rod through a guide rail on the transverse connecting rod; the guide rail is axially arranged along the transverse connecting rod, and one side of the guide rail, which is close to the spring, is also provided with an L-shaped limiting opening for limiting the movement of the L-shaped bolt.
6. A rapidly detachable wild rescue stretcher according to claim 1, characterized in that: the armrests are connected with the longitudinal connecting rods in a threaded matching way.
7. The utility model provides a but quick detachable field rescue stretcher application method which characterized in that: use of a rapidly detachable wild rescue stretcher according to any one of claims 1-6, comprising the steps of: spreading the stretcher cloth, placing the wounded on the stretcher cloth, then passing the frame through the wounded from the upper part, placing the frame on the stretcher cloth, connecting the second connecting part on the stretcher cloth and the first connecting part on the frame with each other, then lifting the wounded into the transport vehicle for transportation, and directly placing the stretcher on the sickbed when the wounded is brought into the sickbed, separating the first connecting part from the second connecting part, and taking the frame away for the next wounded treatment.
8. The method for using a rapidly detachable wild rescue stretcher according to claim 7, characterized in that: one end of the transverse connecting rod is provided with a threaded hole, and the threaded hole is connected with a screw rod penetrating through the first longitudinal connecting rod; a knob is also arranged on the screw rod; the other end of the transverse connecting rod is fixed on the second longitudinal connecting rod; the transverse connecting rod is a hollow pipe; the transverse connecting rod is disconnected into two sections from the middle, and the two sections of transverse connecting rods are connected through a hinged bracket capable of being folded downwards; a fixed baffle is fixedly arranged in one section of transverse connecting rod, the fixed baffle is connected with one end of a spring positioned in the transverse connecting rod, the other end of the spring is connected with an L-shaped bolt, one part of the L-shaped bolt is positioned in the transverse connecting rod and used for splicing two sections of transverse connecting rods, and the other part of the L-shaped bolt extends to the outside of the transverse connecting rod through a guide rail on the transverse connecting rod; the guide rail is axially arranged along the transverse connecting rod, and one side of the guide rail, which is close to the spring, is also provided with an L-shaped limiting opening for limiting the movement of the L-shaped bolt;
rotating a knob connected with the transverse connecting rod and the first longitudinal connecting rod to change the distance between the longitudinal connecting rods so as to adjust the tightness of the bearing surface of the stretcher cloth;
when the stretcher needs to be folded, the L-shaped bolt moves along the direction of the spring, the spring is compressed, the L-shaped bolt is rotated to be fixed at the L-shaped limiting opening, the bolt withdraws from the other section of transverse connecting rod, and the frame is rotated and folded along the hinged support; when the frame needs to be fixed, the two sections of transverse connecting rods are contacted together, the L-shaped bolt is rotated to leave the L-shaped limiting opening, and under the action of spring force, the L-shaped bolt is moved along the guide rail to be inserted into the transverse connecting rod at the other end, so that the locking of the two sections of transverse connecting rods is realized.
9. The method for using a rapidly detachable wild rescue stretcher according to claim 7, characterized in that: the opening and closing method of the stay bar,
pulling the rifling rod to enable the first pipe body and the inner clamping teeth in the first pipe body to move together, enabling the first pipe body to pass through the U-shaped structure and be sleeved on the second pipe body, loosening the rifling rod, enabling the second spring to rebound, enabling the first convex teeth and the second convex teeth to be mutually clamped, and enabling the first pipe body to be fixed outside the second pipe body; the inner clamping teeth enter the second pipe body, and are clamped and fixed with holes on the side wall of the second pipe body under the extrusion of the reed, so that the inner clamping teeth are fixed, and at the moment, the winding rope b is in a loose and unstressed state;
the button is pressed for the first time, the U-shaped structure translates and compresses the third spring, the second convex tooth moves along with the U-shaped structure, the first convex tooth and the second convex tooth are far away from each other, the first pipe body moves upwards under the action of the second spring, when the button is pressed for the first time, the poking tooth is blocked by the first pipe body and rotates around the self shaft, the poking tooth cannot enter the hole on the side wall of the second pipe body, and the inner clamping tooth is still clamped inside the second pipe body; the first pipe body is far away from the inner clamping teeth, so that the winding rope b is stretched, and the winding rope b drives the stay bar to rotate until the stay bar is perpendicular to the handrail; the stay bar is opened;
the button is pressed for the second time, the poking teeth enter the holes on the side wall of the second pipe body, the inner clamping teeth are ejected out, the inner clamping teeth are separated from the second pipe body, at the moment, the distance between the first pipe body and the inner clamping teeth is reduced, the winding rope b enters a loose state, and the supporting rod is returned into the handrail under the tension of the first spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210395644.XA CN114767396B (en) | 2022-04-14 | 2022-04-14 | Rapidly detachable field rescue stretcher and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210395644.XA CN114767396B (en) | 2022-04-14 | 2022-04-14 | Rapidly detachable field rescue stretcher and application method thereof |
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| CN114767396A CN114767396A (en) | 2022-07-22 |
| CN114767396B true CN114767396B (en) | 2023-11-21 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB318131A (en) * | 1928-08-28 | 1930-08-25 | Etienne Leyondre | Improvements in foundry moulding machines |
| GB618147A (en) * | 1946-10-25 | 1949-02-17 | Priestman Brothers | Improvements relating to dumping grabs |
| GB815318A (en) * | 1956-02-10 | 1959-06-24 | Gordon Muir Bell | Improvements relating to stereoscopic cameras |
| CN101128141A (en) * | 2003-07-16 | 2008-02-20 | 亨特道格拉斯有限公司 | Drive for coverings for architectural openings |
| CN205512823U (en) * | 2015-04-15 | 2016-08-31 | 郭泰旺 | Lock pin type telescopic rod type self-defense spraying device |
| CN106726174A (en) * | 2016-12-20 | 2017-05-31 | 马强 | Static patient moving stretcher |
| CN112773611A (en) * | 2020-12-30 | 2021-05-11 | 玉林市好邦医疗设备有限责任公司 | Rescue stretcher vehicle is transported in multipurpose field operations open air |
| CN214999174U (en) * | 2021-02-22 | 2021-12-03 | 广州市品胜自动化工业有限公司 | High temperature resistant chain guide |
-
2022
- 2022-04-14 CN CN202210395644.XA patent/CN114767396B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB318131A (en) * | 1928-08-28 | 1930-08-25 | Etienne Leyondre | Improvements in foundry moulding machines |
| GB618147A (en) * | 1946-10-25 | 1949-02-17 | Priestman Brothers | Improvements relating to dumping grabs |
| GB815318A (en) * | 1956-02-10 | 1959-06-24 | Gordon Muir Bell | Improvements relating to stereoscopic cameras |
| CN101128141A (en) * | 2003-07-16 | 2008-02-20 | 亨特道格拉斯有限公司 | Drive for coverings for architectural openings |
| CN205512823U (en) * | 2015-04-15 | 2016-08-31 | 郭泰旺 | Lock pin type telescopic rod type self-defense spraying device |
| CN106726174A (en) * | 2016-12-20 | 2017-05-31 | 马强 | Static patient moving stretcher |
| CN112773611A (en) * | 2020-12-30 | 2021-05-11 | 玉林市好邦医疗设备有限责任公司 | Rescue stretcher vehicle is transported in multipurpose field operations open air |
| CN214999174U (en) * | 2021-02-22 | 2021-12-03 | 广州市品胜自动化工业有限公司 | High temperature resistant chain guide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114767396A (en) | 2022-07-22 |
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