CN113952122A - Rolling type outdoor rescue stretcher - Google Patents
Rolling type outdoor rescue stretcher Download PDFInfo
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- CN113952122A CN113952122A CN202111456982.1A CN202111456982A CN113952122A CN 113952122 A CN113952122 A CN 113952122A CN 202111456982 A CN202111456982 A CN 202111456982A CN 113952122 A CN113952122 A CN 113952122A
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- 238000005096 rolling process Methods 0.000 title abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 64
- 239000004033 plastic Substances 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 2
- 208000027418 Wounds and injury Diseases 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000011017 operating method Methods 0.000 abstract 1
- 230000005489 elastic deformation Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000003466 welding Methods 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
-
- 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
- A61G1/013—Stretchers foldable or collapsible
-
- 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
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
-
- 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
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/044—Straps, bands or belts
-
- 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
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/048—Handles
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a rolling type outdoor rescue stretcher which comprises a plastic supporting plate and a binding belt, wherein the plastic supporting plate is in a double-shaft reel shape in structural shape, the binding belt is fixedly arranged on the upper surface of the plastic supporting plate, the stretcher further comprises a first longitudinal frame body, a second longitudinal frame body and a transverse frame body, the first longitudinal frame body is arranged on the left side edge of the plastic supporting plate, the second longitudinal frame body is arranged on the right side edge of the plastic supporting plate, the right end of the transverse frame body is movably arranged on the second longitudinal frame body, and the left end of the transverse frame body is movably arranged on the first longitudinal frame body. This winding-type outdoor rescue stretcher has strengthened the intensity of stretcher, and the stretcher is lifted to easily rescue personnel's carrying when outdoor rescue, avoids carrying the in-process and causes sick and wounded's secondary injury because of rocking, utilizes the expansion mode of biax spool in addition, realizes the swift expansion and the automatic locking of stretcher, has simplified the operating procedure that the stretcher expanded, has saved the rescue time.
Description
Technical Field
The invention relates to the technical field of stretchers, in particular to a rolling type outdoor rescue stretcher.
Background
The stretcher has the main function of lying for the sick and wounded, is used as an indispensable rescue tool in outdoor rescue, has considerable practical value, and brings great convenience for transferring the sick and wounded for rescue workers in rescue.
The invention, which is disclosed by the invention with the patent number of CN109771149B retrieved, discloses a medical rescue stretcher convenient to fold, which comprises two groups of handrails, wherein anti-skid lugs are bonded on the outer walls of the tops of the two groups of handrails, handrail recovery holes and bent rod clamping grooves are formed in the outer walls of the tops of the handrails, the handrail recovery holes are positioned right above the bent rod clamping grooves, handrails are clamped on the inner walls of the handrail recovery holes in the outer walls of the two opposite sides of the handrails, the outer walls of the two opposite sides of the two opposite handrails are sleeved with the same quick sleeve, and the bent rod clamping grooves in the outer walls of the two opposite sides of the handrails are clamped with the same bent rod. The stretcher cloth can be unfolded through the folding rods and the sliding rails, the stretcher cloth can play a role of supporting rods when the folding rods reach the horizontal state, the stretcher cloth can be recovered through the matching of the zippers and the recovery springs in the bent rods, meanwhile, the bent rods can be independently disassembled, the problem that the stretcher is not easy to fold and disassemble is solved, the quick sleeve and the supporting rods can laterally protect a patient to a certain extent, and the possibility of secondary injury to the patient is reduced.
Stretchers used on the basis of the above mentioned patents and the background of the prior art still present certain drawbacks, such as:
1. the main structure of the existing roll type stretcher is a plate body made of synthetic resin materials, the body is not reinforced by an external frame, rescue workers are not easy to move and lift in the rescue process, and the wound and sick workers are easy to shake and extrude, so that the secondary injury of the wound and sick workers is caused;
2. the existing roll-type stretcher is not easy to rapidly unfold due to the fact that the plate body is easy to rebound and roll, and in the unfolding process of the stretcher in the patent, all independent components need to be assembled and installed, operation steps are complex, and rescue time is delayed while unfolding operation time is prolonged.
Therefore, we propose a rolling outdoor rescue stretcher in order to solve the problems proposed in the above.
Disclosure of Invention
The invention aims to provide a rolling type outdoor rescue stretcher, which solves the problems that rescue workers are not easy to move and lift, the wounded and sick workers are easy to shake and squeeze to cause secondary damage, and in addition, the rolling type outdoor rescue stretcher is not easy to unfold quickly to delay rescue time in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a wrap-up outdoor rescue stretcher comprising:
the plastic supporting plate is structurally in a double-shaft scroll shape, the plastic supporting plate is sequentially divided into four independent parts from front to back, a first part of the plastic supporting plate is used for supporting legs, a second part and a third part of the plastic supporting plate are used for supporting a trunk, and a fourth part of the plastic supporting plate is used for supporting a head;
the binding belt is fixedly arranged on the upper surface of the plastic supporting plate, and the other three parts except the fourth part in the plastic supporting plate are provided with the binding belt;
further comprising:
the first longitudinal frame body is arranged on the left side of the plastic supporting plate, the left side of the plastic supporting plate is arranged on the first longitudinal frame body in a winding state, and the first longitudinal frame body and the second longitudinal frame body are arranged in a left-right corresponding mode;
the second longitudinal frame body is arranged on the right side of the plastic supporting plate, the right side of the plastic supporting plate is also arranged on the second longitudinal frame body in a winding state, and the front end and the rear end of the second longitudinal frame body are symmetrically provided with transverse frame bodies;
the right end movable mounting of horizontal support body is on the vertical support body of second, and the left end movable mounting of horizontal support body is on first vertical support body to the horizontal support body combination of first vertical support body, the vertical support body of second and front and back two sides constitutes frame construction.
Preferably, the first longitudinal frame body comprises a main rod frame, a locking mechanism, an auxiliary rod frame, a secondary rod frame, a positioning ring, a first spring and a fixing bolt, wherein the locking mechanism is arranged in the main rod frame, the locking mechanism is symmetrically arranged in front and back of a vertical middle axis of the main rod frame, the auxiliary rod frame is fixedly arranged at the front end and the rear end of the main rod frame, and the secondary rod frame is movably arranged at one end, far away from the main rod frame, of the auxiliary rod frame;
the auxiliary rod frame is formed by combining a rod body part and a connecting part, the connecting part of the auxiliary rod frame is positioned at the end part of the bent end of the rod body part, the rod body part of the auxiliary rod frame is fixedly connected to the main rod frame through a bolt, the diameter of the longitudinal section of the rod body part of the auxiliary rod frame is equal to that of the longitudinal section of the main rod frame, a through arc-shaped hole groove part is formed in the side wall of the bent end of the rod body part of the auxiliary rod frame, the arc center of the arc-shaped hole groove part of the auxiliary rod frame is coincident with the rotation centers of the auxiliary rod frame and the secondary rod frame, and the arc-shaped hole groove part of the auxiliary rod frame is communicated with the square inner cavity of the rod body part of the auxiliary rod frame;
the auxiliary rod frame is also formed by combining a rod body part and a connecting part, the inclination angle of the bending end of the rod body part of the auxiliary rod frame is the same as that of the bending end of the rod body part of the auxiliary rod frame, the diameter size of the longitudinal section of the rod body part of the auxiliary rod frame is also equal to that of the longitudinal section of the main rod frame, the length size of the auxiliary rod frame is smaller than the sum of the whole length size of the auxiliary rod frame and the half length size of the main rod frame, the connecting part of the auxiliary rod frame and the connecting part of the auxiliary rod frame are arranged in a matched mode, the connecting part of the auxiliary rod frame and the connecting part of the auxiliary rod frame are connected together in a rotating mode, and the bending end of the rod body part of the auxiliary rod frame is fixedly connected with a positioning ring through a bolt;
the front end and the rear end of the outer side wall of the positioning ring are both provided with a limiting groove part, the limiting groove parts of the positioning ring are arranged in bilateral symmetry about a horizontal central axis of the positioning ring, the side wall of an inner curved surface of the positioning ring is provided with a long groove part, the long groove part of the positioning ring is communicated with an inner cavity of the positioning ring, one end of the positioning ring, which is far away from the secondary rod frame, is movably inserted into the arc-shaped groove part of the auxiliary rod frame in a penetrating manner, the circle center of the positioning ring is also superposed with the rotation centers of the auxiliary rod frame and the secondary rod frame, a first spring in an arc state is installed in the cavity of the positioning ring, the end part of the long groove part of the positioning ring is movably inserted with a fixing bolt, the bolt cap end of the fixing bolt is in threaded connection with the connecting part of the auxiliary rod frame, and the fixing bolt forms a sliding structure on the positioning ring along the long groove part of the positioning ring;
one end of the first spring is propped against the bolt at the fixing position of the positioning ring and the secondary rod frame, and the other end of the first spring is propped against the bolt body of the fixing bolt.
Preferably, the locking mechanism comprises a locking piece, a second spring and an unlocking shifting block, the locking piece is divided into a square locking head part and a square strip plate part, the end part of the square locking head part of the locking piece is of a concave structure, the square locking head part of the locking piece is movably inserted into a square cavity of the rod body part of the auxiliary rod frame, the square strip plate part of the locking piece is movably inserted into the square cavity of the main rod frame, the locking piece forms a telescopic sliding structure in the cavity formed by combining the auxiliary rod frame and the main rod frame, and the end part of the square locking head part of the locking piece is connected with the limiting groove part of the positioning ring in a clamping manner;
a second spring is arranged at the movable connection part of the square lock head part of the locking piece and the rod body part of the auxiliary rod frame, one end of the second spring is fixedly inserted on the square lock head part of the locking piece, and the other end of the second spring is fixedly clamped on the side wall of the main rod frame;
the end of the locking piece is provided with an unlocking shifting block, the unlocking shifting block is arranged in a groove in the middle of the main rod frame, and a bolt in the unlocking shifting block penetrates through a strip groove thread on the inner wall of the groove of the main rod frame to be connected onto a square strip plate portion of the locking piece.
Preferably, the integral structure of the first longitudinal frame body is the same as that of the second longitudinal frame body, the joint of the front-end auxiliary rod frame and the front-end secondary rod frame in the first longitudinal frame body and the joint of the front-end auxiliary rod frame and the front-end secondary rod frame in the second longitudinal frame body are both arranged at the gap between the first part and the second part in the plastic supporting plate, the first part in the plastic supporting plate is fixedly riveted on the side wall of the rod body part of the front-end secondary rod frame, and the second part in the plastic supporting plate is fixedly riveted at the front end of the main rod frame;
the joint of the rear-end auxiliary rod frame and the rear-end secondary rod frame in the first longitudinal frame body and the joint of the rear-end auxiliary rod frame and the rear-end secondary rod frame in the second longitudinal frame body are both arranged in a gap between a third part and a fourth part in the plastic supporting plate, the third part in the plastic supporting plate is fixedly riveted at the rear end of the main rod frame, and the fourth part in the plastic supporting plate is fixedly riveted on the side wall of the rod body part of the rear-end secondary rod frame;
and the unlocking end of the locking mechanism in the first longitudinal frame body and the unlocking end of the locking mechanism in the second longitudinal frame body are arranged in the gap between the second part and the third part in the plastic supporting plate.
Preferably, the transverse frame body comprises a first support rod, a second support rod, a handle, an auxiliary groove, a locking sleeve and a third spring, wherein the second support rod is movably hinged to one end, far away from the first longitudinal frame body, of the first support rod, the length of the first support rod is equal to that of the second support rod, the diameter of the longitudinal section of the first support rod is equal to that of the longitudinal section of the second support rod, and the handle is movably hinged to one end, close to the first longitudinal frame body, of the first support rod and one end, close to the second longitudinal frame body, of the second support rod;
the front side wall and the rear side wall of the first supporting rod are respectively provided with an auxiliary groove in an L-shaped structure, the auxiliary grooves are communicated with the inner cavity of the first supporting rod, the longitudinal groove path of the front auxiliary groove in the first supporting rod is opposite to the longitudinal groove path of the rear auxiliary groove in the first supporting rod, and the end part of the longitudinal groove path in the auxiliary groove is vertically extended with a positioning groove part;
the outer side of the first supporting rod is movably sleeved with a locking sleeve, and a bolt body at the inner ring of the locking sleeve is movably inserted in the auxiliary groove;
and a third spring is arranged in the cavity of the first support rod, one end of the third spring is propped against the inner wall of the cavity of the first support rod, and the other end of the third spring is propped against the bolt body of the locking sleeve.
Preferably, the handle is movably sleeved on the shaft body of the rod body part of the secondary rod frame, and the handle forms a rotating structure on the secondary rod frame.
Preferably, the locking sleeve forms a sliding structure on the first support rod along the auxiliary groove, and the locking sleeve is sleeved at the movable hinged position of the first support rod and the second support rod.
Compared with the prior art, the invention has the beneficial effects that: the winding type outdoor rescue stretcher has the advantages that the strength of the stretcher is enhanced, rescue workers can be easily moved during outdoor rescue, secondary damage to sick and wounded personnel caused by shaking in the moving and lifting process is avoided, in addition, the stretcher can be quickly unfolded and automatically locked by utilizing the unfolding mode of the double-shaft reel, the operation steps are simplified, and the rescue time is saved;
1. the stretcher is provided with a first longitudinal frame body, a second longitudinal frame body and a transverse frame body, wherein the first longitudinal frame body and the second longitudinal frame body are correspondingly arranged, the first longitudinal frame body, the second longitudinal frame body and the transverse frame bodies at the front and the back are combined to form a frame structure, and the frames combined by the first longitudinal frame body, the second longitudinal frame body and the transverse frame bodies at the front and the back are arranged around the plastic supporting plate in a surrounding state;
2. the stretcher is provided with an auxiliary rod frame, a secondary rod frame, a first supporting rod and a second supporting rod, wherein the rod body part shaft body of the secondary rod frame is rotatably connected with a handle, the secondary rod frame is positioned on the auxiliary rod frame through a positioning ring, the auxiliary rod frame is fixedly connected with the main rod frame, the secondary rod frame, the auxiliary rod frame and the main rod frame form an integrated structure, after the first supporting rod and the second supporting rod in a transverse frame body are folded, the first longitudinal frame body and the second longitudinal frame body are rotated and then wound by using the elastic winding of a double-shaft scroll-shaped plastic supporting plate, after the positioning ring is unlocked, the secondary rod frame is turned and folded on the auxiliary rod frame and is arranged in parallel with the main rod frame after being folded, the width size of the stretcher is reduced through the self-winding of the plastic supporting plate, the length size of the stretcher is reduced through the folding of the secondary rod frame, after the volume is reasonably reduced, the stretcher is easy to store and carry during outdoor rescue;
3. be equipped with holding ring and locking cover, unblock locking mechanical system back, make locking piece and holding ring lose the block, the elastic deformation who utilizes first spring resets, the automatic upset of both ends secondary bar frame is expanded simultaneously around making, pull open the vertical support body of first vertical support body and second through the handle, make first bracing piece and the upset of second bracing piece expand, and unreel of plastics layer board, first bracing piece and second bracing piece expand the back, the locking cover resets through the elastic deformation of third spring, make the locking cover automatic sliding after-cover establish and fix in the articulated department of first bracing piece and second bracing piece, utilize the expansion mode of biax spool, realize the swift expansion of stretcher, and solved the automatic locking problem after expanding, operation steps are simplified, rescue time has been saved.
Drawings
FIG. 1 is a schematic view of an expanded front perspective structure of the present invention;
FIG. 2 is a schematic view of a semi-folded front perspective structure according to the present invention;
FIG. 3 is a schematic view of a fully folded front perspective structure of the present invention;
FIG. 4 is a front perspective view of the first longitudinal frame of the present invention;
FIG. 5 is a schematic view of a front sectional perspective structure of the connection of the auxiliary bar frame and the secondary bar frame according to the present invention;
FIG. 6 is an exploded front perspective view of the locking mechanism of the present invention;
FIG. 7 is a schematic view of a left side cross-sectional structure of the connection of the auxiliary bar frame and the secondary bar frame of the present invention;
FIG. 8 is a front perspective view of the lateral frame of the present invention;
FIG. 9 is a schematic diagram of a side-view perspective structure of the first support bar and the second support bar of the present invention;
fig. 10 is an exploded rear side perspective view of the first support rod of the present invention.
In the figure: 1. a plastic pallet; 2. a binding belt; 3. a first longitudinal frame body; 4. a second longitudinal frame body; 5. a transverse frame body; 6. a main bar frame; 7. a locking mechanism; 8. an auxiliary bar frame; 9. a secondary bar frame; 10. a positioning ring; 11. a first spring; 12. a fixing bolt; 13. a locking member; 14. a second spring; 15. unlocking the shifting block; 16. a first support bar; 17. a second support bar; 18. a handle; 19. an auxiliary groove; 20. a locking sleeve; 21. and a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: a rolling outdoor rescue stretcher comprises a plastic supporting plate 1, a binding belt 2, a first longitudinal frame body 3, a second longitudinal frame body 4 and a transverse frame body 5.
When the rolling type outdoor rescue stretcher is used, folding operation is carried out, two rescuers are required to cooperate, unlocking treatment of front and rear transverse frame bodies 5 is firstly respectively completed, as shown in attached drawings 1, 2, 8, 9 and 10, a bolt body at the inner ring of a locking sleeve 20 is sequentially and movably inserted into auxiliary grooves 19 on the front and rear side walls of a first supporting rod 16 from front to back, the auxiliary groove 19 of an L-shaped structure is communicated with the inner cavity of the first supporting rod 16, the bolt body in the locking sleeve 20 penetrates through the inner cavity of the first supporting rod 16, the locking sleeve 20 is movably sleeved on the outer side of the first supporting rod 16, and the locking sleeve 20 is shifted to enable the bolt body in the locking sleeve 20 to slide along the transverse groove path of the auxiliary groove 19;
because the third spring 21 is installed in the cavity of the first support rod 16, one end of the third spring 21 abuts against the inner wall of the cavity of the first support rod 16, the other end of the third spring 21 abuts against the bolt body in the locking sleeve 20, the locking sleeve 20 slides on the first support rod 16, and presses the third spring 21 through the bolt body, so that the third spring 21 is stressed to generate elastic deformation, and the locking sleeve 20 separates from the movable hinged part of the first support rod 16 and the second support rod 17 after sliding, thereby completing the unlocking treatment of the joint of the first support rod 16 and the second support rod 17;
when the bolt body in the locking sleeve 20 slides to the longitudinal groove path of the auxiliary groove 19 along the transverse groove path of the auxiliary groove 19, because the longitudinal groove path of the front auxiliary groove 19 in the first support rod 16 is opposite to the longitudinal groove path of the rear auxiliary groove 19, the bolt body in the locking sleeve 20 is rotated to slide along the longitudinal groove path of the auxiliary groove 19, and after the bolt body in the locking sleeve 20 slides to the end part of the longitudinal groove portion of the auxiliary groove 19, the bolt body in the locking sleeve 20 is clamped into the positioning groove portion vertical to the longitudinal groove portion in the auxiliary groove 19 by using the reaction force of the third spring 21, so that the bolt body in the locking sleeve 20 is limited, and the positioning and fixing of the locking sleeve 20 after unlocking are realized;
then, respectively holding the handle 18 on the front transverse frame body 5 and the handle 18 on the rear transverse frame body 5, and extruding a first supporting rod 16 and a second supporting rod 17 through the handles 18 on the left side and the right side, wherein the end, close to the first longitudinal frame body 3, of the first supporting rod 16 is movably hinged on the left handle 18, the end, far away from the first longitudinal frame body 3, of the first supporting rod 16 is movably hinged with the second supporting rod 17, the end, close to the second longitudinal frame body 4, of the second supporting rod 17 is movably hinged on the right handle 18, and the first supporting rod 16 and the second supporting rod 17 are extruded to be folded;
because the integral structure of the first longitudinal frame body 3 is the same as that of the second longitudinal frame body 4, the front and rear handles 18 on the left side of the transverse frame body 5 are respectively movably sleeved on the rod body part shaft bodies of the front and rear secondary rod frames 9 in the first longitudinal frame body 3, and the front and rear handles 18 on the right side of the transverse frame body 5 are respectively movably sleeved on the rod body part shaft bodies of the front and rear secondary rod frames 9 in the second longitudinal frame body 4, and because the plastic supporting plate 1 is arranged in a double-shaft reel-shaped structure, the handles 18 on the left and right sides extrude the first supporting rod 16 and the second supporting rod 17, and simultaneously, the elastic rolling of the plastic supporting plate 1 and the rotation assistance between the handles 18 and the secondary rod frames 9 are utilized, so that the first longitudinal frame body 3 and the second longitudinal frame body 4 respectively rotate at the left and right ends of the transverse frame body 5;
because the plastic supporting plate 1 is divided into four independent parts from front to back in sequence, and the first part, the second part, the third part and the fourth part in the plastic supporting plate 1 are fixedly riveted on the rod body part of the front secondary rod frame 9, the front end of the main rod frame 6, the rear end of the main rod frame 6 and the rod body part of the rear secondary rod frame 9 respectively, in the rotating process of the first longitudinal frame body 3 and the second longitudinal frame body 4, the left side and the right side of the first part in the plastic supporting plate 1 are respectively wound on the secondary rod frame 9 at the front end of the first longitudinal frame body 3 and the secondary rod frame 9 at the front end of the second longitudinal frame body 4, the left side and the right side of the second part in the plastic supporting plate 1 are respectively wound on the front end of the main rod frame 6 in the first longitudinal frame body 3 and the front end of the main rod frame 6 in the second longitudinal frame body 4, the left side and the right side of the third part in the plastic supporting plate 1 are respectively wound on the rear end of the main rod frame 6 in the first longitudinal frame body 3 and the rear end of the main rod frame body 4 in the second longitudinal frame body 4, the left side and the right side of the fourth part in the plastic supporting plate 1 are respectively wound on the secondary bar frame 9 at the rear end of the first longitudinal frame body 3 and the secondary bar frame 9 at the rear end of the second longitudinal frame body 4, the diameter size of the longitudinal section of the bar body part of the auxiliary bar frame 8 and the diameter size of the longitudinal section of the bar body part of the secondary bar frame 9 are equal to the diameter size of the longitudinal section of the main bar frame 6, and the length size of the first supporting rod 16 is equal to the length size of the second supporting rod 17, so that the self-winding treatment of the plastic supporting plate 1 is realized, the consistency of the winding thickness is ensured, and the semi-folding operation of the stretcher is completed;
when the first longitudinal frame body 3 and the second longitudinal frame body 4 rotate, because the joint of the front end auxiliary rod frame 8 and the front end secondary rod frame 9 in the first longitudinal frame body 3 and the joint of the front end auxiliary rod frame 8 and the front end secondary rod frame 9 in the second longitudinal frame body 4 are both arranged at the gap between the first part and the second part in the plastic supporting plate 1, the joint of the rear end auxiliary rod frame 8 and the rear end secondary rod frame 9 in the first longitudinal frame body 3 and the joint of the rear end auxiliary rod frame 8 and the rear end secondary rod frame 9 in the second longitudinal frame body 4 are both arranged at the gap between the third part and the fourth part in the plastic supporting plate 1, and the unlocking end of the locking mechanism 7 in the first longitudinal frame body 3 and the unlocking end of the locking mechanism 7 in the second longitudinal frame body 4 are both arranged at the gap between the second part and the third part in the plastic supporting plate 1, the plastic supporting plate 1 cannot cause influence on the rotation of the first longitudinal frame body 3 and the second longitudinal frame body 4, meanwhile, the self-rolling of the plastic supporting plate 1 is not influenced;
finally, the folding operation of the last rod frame 9 of the first longitudinal frame body 3 and the last rod frame 9 of the second longitudinal frame body 4 is respectively completed, when the folding operation of the secondary bar frame 9 is performed, the locking mechanism 7 needs to be unlocked and the folding secondary bar frame 9 needs to be turned over at the same time, referring to fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the locking mechanisms 7 are symmetrically arranged at the front and rear sides of the main rod frame 6, and the locking mechanisms 7 at the corresponding positions of the first longitudinal frame body 3 and the second longitudinal frame body 4 need to be unlocked, because the bolt in the unlocking shifting block 15 passes through the strip groove on the inner wall of the groove of the main rod frame 6 and is connected to the square strip plate part of the locking piece 13 in a threaded manner, the unlocking shifting block 15 and the locking piece 13 form an integrated structure, the unlocking shifting block 15 is shifted to slide in the groove of the main rod frame 6, and the bolt in the unlocking shifting block 15 pulls down the square strip plate part of the locking piece 13 along the strip groove;
because the square slat part of the locking piece 13 is movably inserted in the square cavity of the main rod frame 6, the square slat part is limited in the cavity of the main rod frame 6, and because the square head part of the locking piece 13 is movably inserted in the square cavity of the rod body part of the auxiliary rod frame 8, the square head part of the locking piece is limited in the cavity of the auxiliary rod frame 8, the locking piece 13 is pulled by the unlocking shifting block 15 to shrink and slide in the cavity formed by combining the auxiliary rod frame 8 and the main rod frame 6, because one end of the second spring 14 is fixedly inserted on the square head part of the locking piece 13, and the other end of the second spring 14 is fixedly clamped on the side wall of the main rod frame 6, and the locking piece 13 extrudes the second spring 14 after sliding, so that the locking piece is elastically deformed;
because the arc hole groove part of the auxiliary rod frame 8 is communicated with the inner cavity of the auxiliary rod frame, and because the front end and the rear end of the outer side wall of the positioning ring 10 are both provided with the limiting groove parts, and the limiting groove parts of the positioning ring 10 are arranged in bilateral symmetry, when the concave end part of the locking piece 13 is retracted into the cavity from the arc hole groove part of the auxiliary rod frame 8 and is out of clamping with the limiting groove part at one end of the positioning ring 10, the unlocking treatment of the positioning ring 10 on the auxiliary rod frame 8 is realized;
the unlocking locking mechanism 7 simultaneously stirs the secondary bar frame 9, the bent end of the bar body part of the secondary bar frame 9 is fixedly connected with a positioning ring 10 through a bolt, the circle center of the positioning ring 10 is coincided with the rotation centers of the auxiliary bar frame 8 and the secondary bar frame 9, the rotation centers of the auxiliary bar frame 8 and the secondary bar frame 9 are coincided with the arc center of the arc-shaped hole groove part of the auxiliary bar frame 8, the end part of the positioning ring 10 is penetratingly movably inserted in the penetratingly-shaped arc-shaped hole groove part of the auxiliary bar frame 8, and the connecting part of the secondary bar frame 9 and the connecting part of the auxiliary bar frame 8 are arranged in a matching manner, so that the connecting part rotates on the connecting part of the auxiliary bar frame 8 after the secondary bar frame 9 is stirred, and the positioning ring 10 circumferentially slides on the auxiliary bar frame 8 along the arc-shaped hole groove part of the auxiliary bar frame 8;
because the long groove part on the inner curved surface side wall of the positioning ring 10 is communicated with the inner cavity of the positioning ring, and because the bolt body of the fixing bolt 12 movably penetrates through the long groove part of the positioning ring 10 and then is inserted into the cavity of the positioning ring 10, and the fixing bolt 12 is fixedly connected with the auxiliary rod frame 8 to form an integrated structure, when the positioning ring 10 moves on the auxiliary rod frame 8, the fixing bolt 12 extrudes the first spring 11 in the cavity of the positioning ring 10 along the long groove part of the positioning ring 10, because one end of the first spring 11 is propped against the bolt at the fixing part of the positioning ring 10 and the secondary rod frame 9, and the other end of the first spring 11 is propped against the bolt body of the fixing bolt 12, the first spring 11 is elastically deformed after being extruded;
after the secondary rod frame 9 is folded, because the inclination angle of the bending end of the rod body part of the secondary rod frame 9 is the same as that of the auxiliary rod frame 8, the rod body part of the secondary rod frame 9 and the rod body part of the auxiliary rod frame 8 are arranged in parallel, the positioning ring 10 slides to a specified position on the auxiliary rod frame 8, the unlocking shifting block 15 is released to reset by utilizing the elastic deformation of the second spring 14, the concave end part of the locking piece 13 is clamped with the limiting groove part at the other end of the positioning ring 10, the locking after the secondary rod frame 9 is folded is completed, the rod body part of the auxiliary rod frame 8 is fixedly connected to the main rod frame 6 to form an integrated structure, and the sum of the whole length size of the auxiliary rod frame 8 and the half length size of the main rod frame 6 is larger than that of the secondary rod frame 9, so that the stretcher is suitable for the folding processing of the secondary rod frames 9 in the front and back directions, and the complete folding operation of the stretcher is realized;
according to the above, the unfolding operation also needs two rescue workers to cooperate, as shown in fig. 1, fig. 2, fig. 3, fig. 5, fig. 7, fig. 9 and fig. 10, the unlocking process of the locking mechanism 7 on the first longitudinal frame body 3 and the locking mechanism 7 on the second longitudinal frame body 4 is firstly completed respectively, the unlocking shifting blocks 15 on the front side and the rear side of the main rod frame 6 are simultaneously shifted, the locking mechanisms 7 on the front side and the rear side are simultaneously unlocked, the positioning ring 10 is reset by the elastic deformation of the first spring 11 after losing the fixation, the front side and the rear side of the secondary rod frame 9 are simultaneously and automatically overturned and unfolded, the positioning ring 10 is locked by the locking mechanism 7 again, the main rod frame 6, the auxiliary rod frame 8 and the secondary rod frame 9 form an integrated structure, then the front side and the rear side of the transverse frame body 5 are respectively unfolded, the locking sleeve 20 is unlocked to be positioned in the transverse groove part of the auxiliary groove 19, the left handle 18 and the right handle are pulled, the first support rod 16 and the second support rod 17 are turned and unfolded, the first longitudinal frame body 3 and the second longitudinal frame body 4 are rotated to unreel the plastic supporting plate 1, after the first support rod 16 and the second support rod 17 are completely unfolded, the elastic deformation of the third spring 21 is utilized for resetting, the locking sleeve 20 automatically resets and slides to the hinged position of the first support rod 16 and the second support rod 17, the locking sleeve 20 is sleeved at the connecting position of the first support rod 16 and the second support rod 17 to realize the locking after the transverse frame body 5 is unfolded because the diameter of the longitudinal section of the first support rod 16 is equal to the diameter of the longitudinal section of the second support rod 17, the first longitudinal frame body 3, the second longitudinal frame body 4 and the transverse frame bodies 5 at the front and the rear sides are unfolded to form a frame structure, the plastic supporting plate 1 is stretched to realize the rapid unfolding operation of the stretcher, the first part, the second part and the third part in the plastic supporting plate 1 are all provided with the constraint belts 2, the positioning rings 10 at the front end and the rear end of the first longitudinal frame body 3 and the positioning rings 10 at the front end and the rear end of the second longitudinal frame body 4 can be used as lateral carrying handles, and therefore the whole working process of the rolling outdoor rescue stretcher is achieved.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A wrap-up outdoor rescue stretcher comprising:
the plastic supporting plate (1) is in a biaxial scroll shape, the plastic supporting plate (1) is sequentially divided into four independent parts from front to back, a first part in the plastic supporting plate (1) is used for supporting legs, a second part and a third part in the plastic supporting plate (1) are used for supporting a trunk, and a fourth part in the plastic supporting plate (1) is used for supporting the head;
the binding belt (2) is fixedly arranged on the upper surface of the plastic supporting plate (1), and the binding belts (2) are arranged on the other three parts except the fourth part in the plastic supporting plate (1);
it is characterized by also comprising:
the first longitudinal frame body (3) is arranged on the left side of the plastic supporting plate (1), the left side of the plastic supporting plate (1) is arranged on the first longitudinal frame body (3) in a winding state, and the first longitudinal frame body (3) and the second longitudinal frame body (4) are arranged in a left-right corresponding mode;
the second longitudinal frame body (4) is arranged on the right side of the plastic supporting plate (1), the right side of the plastic supporting plate (1) is also arranged on the second longitudinal frame body (4) in a winding state, and the front end and the rear end of the second longitudinal frame body (4) are symmetrically provided with transverse frame bodies (5);
the frame structure comprises a transverse frame body (5), wherein the right end of the transverse frame body (5) is movably mounted on a second longitudinal frame body (4), the left end of the transverse frame body (5) is movably mounted on a first longitudinal frame body (3), and the first longitudinal frame body (3), the second longitudinal frame body (4) and the transverse frame bodies (5) in the front and the rear are combined to form the frame structure.
2. The wrap-up outdoor rescue stretcher of claim 1, characterized in that: the first longitudinal frame body (3) comprises a main rod frame (6), a locking mechanism (7), an auxiliary rod frame (8), a secondary rod frame (9), a positioning ring (10), a first spring (11) and a fixing bolt (12), wherein the locking mechanism (7) is arranged in the main rod frame (6), the locking mechanism (7) is symmetrically arranged in the front and back direction of the vertical middle axis of the main rod frame (6), the auxiliary rod frame (8) is fixedly arranged at the front end and the back end of the main rod frame (6), and the secondary rod frame (9) is movably arranged at one end, far away from the main rod frame (6), of the auxiliary rod frame (8);
the auxiliary rod frame (8) is formed by combining a rod body part and a connecting part, the connecting part of the auxiliary rod frame (8) is positioned at the end part of the bent end of the rod body part, the rod body part of the auxiliary rod frame (8) is fixedly connected to the main rod frame (6) through a bolt, the diameter of the longitudinal section of the rod body part of the auxiliary rod frame (8) is equal to the diameter of the longitudinal section of the main rod frame (6), the side wall of the bent end of the rod body part of the auxiliary rod frame (8) is provided with a through arc-shaped hole groove part, the arc center of the arc-shaped hole groove part of the auxiliary rod frame (8) is superposed with the rotating centers of the auxiliary rod frame (8) and the secondary rod frame (9), and the arc-shaped hole groove part of the auxiliary rod frame (8) is communicated with the square inner cavity of the rod body part of the auxiliary rod frame;
the auxiliary rod frame (9) is formed by combining a rod body part and a connecting part, the inclined angle of the bending end of the rod body part of the auxiliary rod frame (9) is the same as the inclined angle of the bending end of the rod body part of the auxiliary rod frame (8), the diameter of the longitudinal section of the rod body part of the auxiliary rod frame (9) is also equal to the diameter of the longitudinal section of the main rod frame (6), the length of the auxiliary rod frame (9) is smaller than the sum of the whole length of the auxiliary rod frame (8) and the half length of the main rod frame (6), the connecting part of the auxiliary rod frame (9) and the connecting part of the auxiliary rod frame (8) are arranged in a matched mode, the connecting part of the auxiliary rod frame (9) is rotatably connected with the connecting part of the auxiliary rod frame (8), and the bending end of the rod body part of the auxiliary rod frame (9) is fixedly connected with a positioning ring (10) through a bolt;
wherein, both ends all seted up the spacing slot part around holding ring (10) lateral wall, and the spacing slot part of holding ring (10) sets up about the horizontal axis bilateral symmetry of holding ring (10), set up the slot part on the inner curved surface lateral wall of holding ring (10), and the slot part of holding ring (10) is the setting of being linked together rather than the inner chamber body, the one end that secondary bar frame (9) was kept away from to holding ring (10) is the activity of running through form and inserts and establish in the arc hole slot part of auxiliary rod frame (8), and the centre of a circle of holding ring (10) also coincides with the rotation center of auxiliary rod frame (8) and secondary bar frame (9), install first spring (11) that are the arc state in the cavity of holding ring (10), the activity of the slot end of holding ring (10) is inserted and is equipped with gim peg (12), and the bolt cap end screw thread connection of gim peg (12) is on the connecting portion of auxiliary rod frame (8), the fixing bolt (12) forms a sliding structure on the positioning ring (10) along the long groove part of the positioning ring (10);
one end of the first spring (11) is abutted against a bolt at the fixing position of the positioning ring (10) and the secondary rod frame (9), and the other end of the first spring (11) is abutted against a bolt body of the fixing bolt (12).
3. The wrap-up outdoor rescue stretcher of claim 2, characterized in that: the locking mechanism (7) comprises a locking piece (13), a second spring (14) and an unlocking shifting block (15), the locking piece (13) is divided into a square locking head part and a square strip plate part, the end part of the square locking head part of the locking piece (13) is of a concave structure, the square locking head part of the locking piece (13) is movably inserted into a square cavity of the rod body part of the auxiliary rod frame (8), the square strip plate part of the locking piece (13) is movably inserted into a square cavity of the main rod frame (6), the locking piece (13) forms a telescopic sliding structure in the cavity formed by combining the auxiliary rod frame (8) and the main rod frame (6), and the end part of the square locking head part of the locking piece (13) is connected with a limiting groove part of the positioning ring (10) in a clamping manner;
a second spring (14) is arranged at the movable connection position of the square lock head part of the locking piece (13) and the rod body part of the auxiliary rod frame (8), one end of the second spring (14) is fixedly inserted on the square lock head part of the locking piece (13), and the other end of the second spring (14) is fixedly clamped on the side wall of the main rod frame (6);
the end of the locking piece (13) is provided with an unlocking shifting block (15), the unlocking shifting block (15) is arranged in a groove in the middle of the main rod frame (6), and a bolt in the unlocking shifting block (15) penetrates through a strip groove thread on the inner wall of the groove of the main rod frame (6) and is connected to the square strip plate part of the locking piece (13).
4. The wrap-up outdoor rescue stretcher of claim 2, characterized in that: the integral structure of the first longitudinal frame body (3) is the same as that of the second longitudinal frame body (4), the joint of a front-end auxiliary rod frame (8) and a front-end secondary rod frame (9) in the first longitudinal frame body (3) and the joint of the front-end auxiliary rod frame (8) and the front-end secondary rod frame (9) in the second longitudinal frame body (4) are both arranged at the gap between a first part and a second part in the plastic supporting plate (1), the first part in the plastic supporting plate (1) is fixedly riveted on the side wall of the rod body part of the front-end secondary rod frame (9), and the second part in the plastic supporting plate (1) is fixedly riveted at the front end of the main rod frame (6);
the joint of a rear-end auxiliary rod frame (8) and a rear-end secondary rod frame (9) in the first longitudinal frame body (3) and the joint of the rear-end auxiliary rod frame (8) and the rear-end secondary rod frame (9) in the second longitudinal frame body (4) are arranged in a gap between a third part and a fourth part in the plastic supporting plate (1), the third part in the plastic supporting plate (1) is fixedly riveted at the rear end of the main rod frame (6), and the fourth part in the plastic supporting plate (1) is fixedly riveted on the side wall of the rod body side of the rear-end secondary rod frame (9);
the unlocking end of the locking mechanism (7) in the first longitudinal frame body (3) and the unlocking end of the locking mechanism (7) in the second longitudinal frame body (4) are arranged in a gap between the second part and the third part in the plastic supporting plate (1).
5. The wrap-up outdoor rescue stretcher of claim 1, characterized in that: the transverse frame body (5) comprises a first supporting rod (16), a second supporting rod (17), a handle (18), an auxiliary groove (19), a locking sleeve (20) and a third spring (21), wherein the second supporting rod (17) is movably hinged to one end, far away from the first longitudinal frame body (3), of the first supporting rod (16), the length of the first supporting rod (16) is equal to that of the second supporting rod (17), the diameter of the longitudinal section of the first supporting rod (16) is equal to that of the longitudinal section of the second supporting rod (17), and the handle (18) is movably hinged to one end, close to the first longitudinal frame body (3), of the first supporting rod (16) and one end, close to the second longitudinal frame body (4), of the second supporting rod (17);
auxiliary grooves (19) in an L-shaped structure are formed in the front side wall and the rear side wall of the first supporting rod (16), the auxiliary grooves (19) are communicated with the inner cavity of the first supporting rod (16), the longitudinal groove path of the front auxiliary groove (19) in the first supporting rod (16) is opposite to the longitudinal groove path of the rear auxiliary groove (19), and a positioning groove part is vertically arranged at the end part of the longitudinal groove path in the auxiliary groove (19) in the extending manner;
the outer side of the first supporting rod (16) is movably sleeved with a locking sleeve (20), and a bolt body at the inner ring of the locking sleeve (20) is movably inserted in the auxiliary groove (19);
and a third spring (21) is arranged in the cavity of the first support rod (16), one end of the third spring (21) abuts against the inner wall of the cavity of the first support rod (16), and the other end of the third spring (21) abuts against the bolt body of the locking sleeve (20).
6. The wrap-up outdoor rescue stretcher of claim 5, characterized in that: the handle (18) is movably sleeved on the shaft body of the rod body part of the secondary rod frame (9), and the handle (18) forms a rotating structure on the secondary rod frame (9).
7. The wrap-up outdoor rescue stretcher of claim 5, characterized in that: the locking sleeve (20) forms a sliding structure on the first supporting rod (16) along the auxiliary groove (19), and the locking sleeve (20) is sleeved at the movable hinged position of the first supporting rod (16) and the second supporting rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111456982.1A CN113952122B (en) | 2021-12-02 | 2021-12-02 | Rolling type outdoor rescue stretcher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111456982.1A CN113952122B (en) | 2021-12-02 | 2021-12-02 | Rolling type outdoor rescue stretcher |
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| Publication Number | Publication Date |
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| CN113952122A true CN113952122A (en) | 2022-01-21 |
| CN113952122B CN113952122B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032054U (en) * | 1988-07-02 | 1989-02-08 | 中国人民解放军海军航空技术专科学校 | Foldable multifunctional stretcher |
| US20060207027A1 (en) * | 2003-03-03 | 2006-09-21 | Matunaga Manufactory Co.Ltd. | Stretcher |
| JP2010284366A (en) * | 2009-06-12 | 2010-12-24 | Matsunaga Seisakusho:Kk | Stretcher |
| JP2013056048A (en) * | 2011-09-08 | 2013-03-28 | Kokuyo Co Ltd | Stretcher |
| CN106726174A (en) * | 2016-12-20 | 2017-05-31 | 马强 | Static patient moving stretcher |
| CN109771149A (en) * | 2017-11-10 | 2019-05-21 | 广东联力科技有限公司 | Medical rescue stretcher convenient to fold |
| CN211560721U (en) * | 2019-09-20 | 2020-09-25 | 郝迪 | Roll type fire rescue stretcher |
| CN113288597A (en) * | 2021-06-11 | 2021-08-24 | 宁海洋 | Folding outdoor rescue stretcher |
-
2021
- 2021-12-02 CN CN202111456982.1A patent/CN113952122B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032054U (en) * | 1988-07-02 | 1989-02-08 | 中国人民解放军海军航空技术专科学校 | Foldable multifunctional stretcher |
| US20060207027A1 (en) * | 2003-03-03 | 2006-09-21 | Matunaga Manufactory Co.Ltd. | Stretcher |
| JP2010284366A (en) * | 2009-06-12 | 2010-12-24 | Matsunaga Seisakusho:Kk | Stretcher |
| JP2013056048A (en) * | 2011-09-08 | 2013-03-28 | Kokuyo Co Ltd | Stretcher |
| CN106726174A (en) * | 2016-12-20 | 2017-05-31 | 马强 | Static patient moving stretcher |
| CN109771149A (en) * | 2017-11-10 | 2019-05-21 | 广东联力科技有限公司 | Medical rescue stretcher convenient to fold |
| CN211560721U (en) * | 2019-09-20 | 2020-09-25 | 郝迪 | Roll type fire rescue stretcher |
| CN113288597A (en) * | 2021-06-11 | 2021-08-24 | 宁海洋 | Folding outdoor rescue stretcher |
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|---|---|
| CN113952122B (en) | 2023-12-29 |
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Inventor after: Liu Xin Inventor after: Du Kuiying Inventor after: Jia Qi Inventor after: Wu Tao Inventor before: Wu Tao |
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Effective date of registration: 20231201 Address after: No.52, Shidong Road, Nanming District, Guiyang City, Guizhou Province Applicant after: GUIZHOU PROVINCIAL PEOPLE'S Hospital Address before: 310011 room 404, building 19, Sanbao county court, yinxiu Road, Gongshu District, Hangzhou City, Zhejiang Province Applicant before: Wu Tao |
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