Foldable stretcher for outdoor rescue
By designing an adjustable upper body and main body support device, combined with the use of hydraulic rods and bolts, the stretcher lacks functionality and space occupation during storage during use, achieving multifunctional support and efficient storage.
Patent Information
- Application Number
- CN202411502710.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-01-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing stretchers lack functionality when used and take up a large space during storage, so they cannot adapt to different usage conditions.
A foldable stretcher including an upper body support device, a main body support device and a leg support device is designed. The stretcher can be adjusted to a stretcher or wheelchair state through adjustment of hydraulic rods and bolts, and the size can be reduced to be stored after use. .
The versatility and stability of the stretcher is realized, which can effectively support the patient and prevent falling during movement, while avoiding loosening during storage, improving space efficiency.
Smart Images

Figure CN119257854A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of medical stretchers, in particular to a foldable stretcher for outdoor rescue. Background Art
[0002] Accidents are prone to occur during outdoor sports and adventures. Stretchers are essential medical tools for outdoor rescue. Their main function is to carry patients. There are many types of stretchers, such as folding stretchers, shovel stretchers, and roll stretchers, according to their different functions and characteristics.
[0003] Although the prior art uses a stretcher to rescue and carry patients, the function of the stretcher is fixed and cannot be used in different situations, resulting in the stretcher lacking functionality during use. Therefore, those skilled in the art provide a foldable stretcher for outdoor rescue to solve the problems raised in the above background technology. Summary of the invention
[0004] 1. Technical issues to be solved
[0005] In view of the deficiencies in the prior art, the present invention provides a foldable stretcher for outdoor rescue, which solves the problem that the stretcher lacks more functionality when in use and occupies a large space when stored.
[0006] (II) Technical solution
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a foldable stretcher for outdoor rescue, comprising an upper body support device, a main body support device and a leg support device, the upper body support device is arranged at the rear end of the main body support device, and the leg support device is arranged at the front end of the main body support device, the upper body support device comprises a first telescopic frame, the rear ends of the first telescopic frame are respectively fixedly connected with handrails, the top of the first telescopic frame is fixedly connected with a first support pad, the two handrails are respectively fixedly connected with mounting plates on the side away from the first support pad, the two mounting plates are respectively fixedly connected with limiting plates on the side away from the first support pad, the rear sides of the two sides of the first support pad are respectively movably connected with connecting rods, the other end of the connecting rod is rotatably connected with a roller, the middle part of the bottom end of the first telescopic frame is fixedly connected with a first mounting frame, the inner side wall of the first mounting frame is rotatably connected with a first rotating block, the side wall of the first rotating block is rotatably connected with a first fixing bolt, the other side of the first rotating block is provided with a first hydraulic rod, the movable end of the first hydraulic rod is rotatably connected with a first sleeve, and the inner side wall of the first sleeve is slidably connected with a first sliding rod.
[0008] The cam is provided with a second support strip at the bottom end thereof, and the second support strip is provided with a second support strip at the bottom end thereof, and the cam is provided with a second support strip at the bottom end thereof, and the cam is provided with a second support strip at the bottom end thereof, and the cam is provided with a second support strip at the bottom end thereof, and the cam is provided with a second support strip at the bottom end thereof, and the cam is provided with a second support strip at the bottom end thereof, and the cam is provided with a second support strip at the bottom end thereof, and the cam is provided with a second support strip at the bottom end thereof,
[0009] Preferably, the leg supporting device comprises a second telescopic frame, a third supporting pad is fixedly connected to the top end of the second telescopic frame, a foot pedal is fixedly connected to both sides of the front end of the third supporting pad, a second mounting frame is fixedly connected to the middle part of the bottom end of the foot pedal, the second mounting frame is rotatably connected to the second rotating block on the inner side wall, a second fixing bolt is rotatably connected to one side of the second rotating block, a second hydraulic rod is fixedly connected to the other side of the second rotating block, the second hydraulic rod is rotatably connected to the second sleeve at the fixed end, a second sliding rod is slidably connected to the inner side wall of the second sleeve, and the second sleeve is fixedly connected to the other side of the inner side wall of the supporting frame near the front side.
[0010] Preferably, one end of the first fixing bolt passes through the first rotating block and is threadedly connected to the movable end of the first hydraulic rod, and the two limit plates are respectively adapted to the side walls of the connecting rod.
[0011] Preferably, the first sliding block is adapted to the inner side wall of the first limiting groove, the second sliding block is adapted to the inner side wall of the second limiting groove, and one end of the screw rod passes through the support frame and is fixedly connected to the middle part of the rotating handle.
[0012] Preferably, the other side of the inner wall of the support frame is fixedly connected to one end of the first sleeve, the second sleeve is fixedly connected to the front side of the inner wall of the support frame, one end of the cross slide rod passes through one side wall of the support frame and is fixedly connected to the middle of the forward wheel on one side of the support frame, and one end of the cross sleeve passes through one side wall of the support frame and is fixedly connected to the middle of the forward wheel on the other side of the support frame.
[0013] Preferably, the first sleeve, the threaded sleeve and the second sleeve are of equal length.
[0014] Preferably, one end of the second fixing bolt passes through the second rotating block and is threadedly connected to the movable end of the second hydraulic rod.
[0015] Working principle: the state of the device is adjusted according to the state of the patient, the first fixing bolt 1012 is passed through the first rotating block 1011 and is threadedly connected to the movable end of the first hydraulic rod 109, the first telescopic frame 101 is adjusted, and the first hydraulic rod 109 is extended, so that the first telescopic frame 101 can be laid flat, and the connecting rod 104 is rotated at the same time to make the roller 106 contact the ground. Similarly, the first sliding block 208 is passed through the second rotating block 309 and is threadedly connected to the movable end of the second hydraulic rod 305, and the second hydraulic rod 305 is adjusted to lay the second mounting frame 307 flat. At this time, the device as a whole is adjusted to a stretcher state, and the patient can be laid flat on the upper end surface of the second support pad 2012. When moving the patient, the tightening belt 209 can be pulled to adapt the first sliding block 208 to the first limiting groove 202, and the patient can be moved by the tightening belt 209. The first slider 208 fixes the patient, and the entire device can be adjusted to a wheelchair state. The second mounting frame 307 is lowered by contracting the second hydraulic rod 305, and the first telescopic frame 101 is lifted by extending the first hydraulic rod 109, so that the entire device can be adjusted to a wheelchair state. When the entire device is used, the first hydraulic rod 109 and the second hydraulic rod 305 are removed by rotating the first fixing bolt 1012 and the second fixing bolt 308, and the first telescopic frame 101 and the second mounting frame 307 are lowered at the same time. The screw rod 2013 is driven to rotate by the turning handle 205, so that the distance between the two sides of the support frame 203 can be reduced. At the same time, the storage belt 2011 is passed through the rear end of the support frame 203, and the second support pad 2012 and the second limiting groove 206 are installed to realize the storage of the entire device.
[0016] (III) Beneficial effects
[0017] The present invention provides a foldable stretcher for outdoor rescue, which has the following beneficial effects:
[0018] 1. By setting up an upper body support device, the first fixing bolt is passed through the first rotating block and threadedly connected with the movable end of the first hydraulic rod, the first telescopic frame is adjusted, and the first hydraulic rod is extended, so that the first telescopic frame can be laid flat, and the connecting rod is rotated at the same time to make the roller contact with the ground, so as to effectively support the patient's upper body, and the overall stability of the device can be improved through the connecting rod and the roller.
[0019] 2. By setting up the main body support device, the first sliding block is passed through the second rotating block and is threadedly connected with the movable end of the second hydraulic rod, and the second hydraulic rod is adjusted to flatten the second mounting frame. At this time, the entire device is adjusted to a stretcher state, and the patient can be placed flat on the upper end surface of the second support pad. By contracting the second hydraulic rod to lower the second mounting frame, and extending the first hydraulic rod to lift the first telescopic frame, the entire device can be adjusted to a wheelchair form, which can effectively improve the overall versatility of the device.
[0020] 3. By setting up a leg support device, when the patient is moved, the tightening belt can be pulled to adapt the first slider to the first limiting groove, and the first slider can be used to fix the patient, and the device as a whole can be adjusted to a wheelchair state. When the device as a whole is used, the first hydraulic rod and the second hydraulic rod can be removed by rotating the first fixing bolt and the second fixing bolt, and the first telescopic frame and the second mounting frame can be lowered at the same time. The screw rod can be driven to rotate by the turning handle, and the spacing on both sides of the support frame can be narrowed. At the same time, the storage belt is passed through the rear end of the support frame, and the second support pad is installed with the second limiting groove to realize the storage of the device as a whole. The tightening belt can be used to fix the patient, which effectively prevents the patient from falling during the movement of the child. At the same time, during the storage process, the storage belt can be used to effectively avoid the device from loosening during storage, which can effectively improve the storage effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the present invention;
[0022] Figure 2 It is a structural schematic diagram of another perspective of the present invention;
[0023] Figure 3 It is a structural schematic diagram of the main body supporting device of the present invention;
[0024] Figure 4 It is a structural schematic diagram of another perspective of the present invention;
[0025] Figure 5 It is a side view structural schematic diagram of the present invention;
[0026] Figure 6 for Figure 4 Enlarged view of point A in the middle.
[0027] Among them, 1. upper body support device; 101. first telescopic frame; 102. first support pad; 103. armrest; 104. connecting rod; 105. limit plate; 106. roller; 107. mounting plate; 108. first sleeve; 109. first hydraulic rod; 1010. first slide bar; 1011. first rotating block; 1012. first fixing bolt; 1013. first mounting frame; 2. main body support device; 201. handle; 202. first limit slot; 203. support frame; 204. forward wheel; 205. turning handle; 206. second limit Position slot; 207, universal wheel; 208, first slider; 209, tightening belt; 2010, second slider; 2011, storage belt; 2012, second support pad; 2013, screw rod; 2014, threaded sleeve; 2015, cross sleeve; 2016, cross slide bar; 3, leg support device; 301, second telescopic frame; 302, foot pedal; 303, third support pad; 304, second sleeve; 305, second hydraulic rod; 306, second slide bar; 307, second mounting frame; 308, second fixing bolt; 309, second rotating block. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] Embodiment 1:
[0030] like Figure 1-6As shown, an embodiment of the present invention provides a foldable stretcher for outdoor rescue, comprising an upper body supporting device 1, a main body supporting device 2 and a leg supporting device 3, wherein the upper body supporting device 1 is arranged at the rear end of the main body supporting device 2, and the leg supporting device 3 is arranged at the front end of the main body supporting device 2, and the upper body supporting device 1 comprises a first telescopic frame 101, and the two sides of the rear end of the first telescopic frame 101 are respectively fixedly connected with handrails 103, and the top of the first telescopic frame 101 is fixedly connected with a first support pad 102, and the two handrails 103 are respectively fixedly connected with mounting plates 107 on the sides away from the first support pad 102, and the two mounting plates 107 are respectively fixedly connected with limiting plates 105 on the sides away from the first support pad 102, and the two sides of the first support pad 102 are respectively movably connected with connecting rods 104 on the rear sides, and the other end of the connecting rod 104 is rotatably connected with a roller 106, and the middle part of the bottom end of the first telescopic frame 101 is fixedly connected with a A first mounting frame 1013, the inner wall of the first mounting frame 1013 is rotatably connected to a first rotating block 1011, the side wall of the first rotating block 1011 is rotatably connected to a first fixing bolt 1012, a first hydraulic rod 109 is arranged on the other side of the first rotating block 1011, a movable end of the first hydraulic rod 109 is rotatably connected to a first sleeve 108, an inner wall of the first sleeve 108 is slidably connected to a first sliding rod 1010, by arranging the upper body supporting device 1, the first fixing bolt 1012 is passed through the first rotating block 1011 and is threadedly connected to the movable end of the first hydraulic rod 109, the first telescopic frame 101 is adjusted, and the first hydraulic rod 109 is extended, so that the first telescopic frame 101 can be laid flat, and at the same time, the connecting rod 104 is rotated to make the roller 106 contact with the ground, so as to effectively support the upper body of the patient, and the overall stability of the device can be improved through the connecting rod 104 and the roller 106.
[0031] The main body supporting device 2 includes a supporting frame 203, a second supporting pad 2012 is fixedly connected to the middle of the top of the supporting frame 203, handles 201 are fixedly connected to both sides of the top of the supporting frame 203, a threaded sleeve 2014 is fixedly connected to one side of the middle of the inner wall of the supporting frame 203, and a screw 2013 is threadedly connected to the inner wall of the threaded sleeve 2014, forward wheels 204 are rotatably connected to both sides of the rear position of the bottom end of the supporting frame 203, a rotating handle 205 is rotatably connected to the middle of one side of the supporting frame 203, universal wheels 207 are rotatably connected to both sides of the front side of the bottom end of the supporting frame 203, a first limiting groove 202 is fixedly connected to one side of the supporting frame 203 at the upper position, a second limiting groove 206 is fixedly connected to one side of the supporting frame 203 at the front position, a tightening belt 209 is rotatably connected to the other side of the supporting frame 203 at the upper position, one end of the tightening belt 209 is fixedly connected to the first slider 208, and the other side of the supporting frame 203 A storage belt 2011 is rotatably connected to the front side, and the other end of the storage belt 2011 is fixedly connected to the second slider 2010. A cross sleeve 2015 is arranged on the rear side of the bottom end of the inner wall of the support frame 203, and a cross slide bar 2016 is slidably connected to the inner wall of the cross sleeve 2015. One side of the inner wall of the support frame 203 is fixedly connected to one end of the first slide bar 1010. By setting the main body supporting device 2, the first slide bar 208 is passed through the second rotating block 309 and is threadedly connected to the movable end of the second hydraulic rod 305. The second hydraulic rod 305 is adjusted to flatten the second mounting frame 307. At this time, the entire device is adjusted to a stretcher state, and the patient can be placed flat on the upper end surface of the second support pad 2012. The second mounting frame 307 can be lowered by contracting the second hydraulic rod 305, and the first telescopic frame 101 can be lifted by extending the first hydraulic rod 109. The entire device can be adjusted to a wheelchair form, which can effectively improve the versatility of the entire device.
[0032] The leg support device 3 includes a second telescopic frame 301, a third support pad 303 is fixedly connected to the top of the second telescopic frame 301, and the two sides of the front end of the third support pad 303 are respectively fixedly connected to the foot pedal 302, and the middle part of the bottom end of the foot pedal 302 is fixedly connected to the second mounting frame 307, and the inner side wall of the second mounting frame 307 is rotatably connected to the second rotating block 309, one side of the second rotating block 309 is rotatably connected to the second fixing bolt 308, and the other side of the second rotating block 309 is fixedly connected to the second hydraulic rod 305, and the fixed end of the second hydraulic rod 305 is rotatably connected to the second sleeve 304, and the inner side wall of the second sleeve 304 is slidably connected to the second sliding rod 306, and the second sleeve 304 is fixedly connected to the other side of the inner side wall of the support frame 203 on the front side. By setting the leg support device 3, when the patient is moved, the tightening belt 209 can be pulled to adapt the first sliding block 208 to the first limiting groove 202. , the first slider 208 is used to fix the patient, and the entire device can be adjusted to a wheelchair state. When the entire device is used, the first hydraulic rod 109 and the second hydraulic rod 305 are removed by rotating the first fixing bolt 1012 and the second fixing bolt 308, and the first telescopic frame 101 and the second mounting frame 307 are lowered at the same time. The screw rod 2013 is driven to rotate by the turning handle 205, so that the distance between the two sides of the support frame 203 can be reduced. At the same time, the storage belt 2011 is passed through the rear end of the support frame 203, and the second support pad 2012 is installed with the second limiting groove 206 to realize the storage of the entire device. The tightening belt 209 can be used to fix the patient, effectively preventing the patient from falling during the movement of the child. At the same time, during the storage process, the storage belt 2011 can be used to effectively avoid the device from loosening during storage, which can effectively improve the storage effect.
[0033] One end of the first fixing bolt 1012 passes through the first rotating block 1011 and is threadedly connected to the movable end of the first hydraulic rod 109. The two limiting plates 105 are respectively adapted to the side walls of the connecting rod 104. The first slider 208 is adapted to the inner wall of the first limiting groove 202. The second slider 2010 is adapted to the inner wall of the second limiting groove 206. One end of the screw rod 2013 passes through the support frame 203 and is fixedly connected to the middle of the handle 205. The other side of the inner wall of the support frame 203 is fixedly connected to one end of the first sleeve 108. The second sleeve 304 is connected to the The inner wall of the support frame 203 is fixedly connected to the front side, one end of the cross slide bar 2016 passes through one side wall of the support frame 203 and is fixedly connected to the middle of the forward wheel 204 on one side of the support frame 203, one end of the cross sleeve 2015 passes through one side wall of the support frame 203 and is fixedly connected to the middle of the forward wheel 204 on the other side of the support frame 203, the first sleeve 108, the threaded sleeve 2014 and the second sleeve 304 are equal in length, and one end of the second fixing bolt 308 passes through the second rotating block 309 and is threadedly connected to the movable end of the second hydraulic rod 305.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A foldable stretcher for outdoor rescue, comprising an upper body support device (1), a main body support device (2) and a leg support device (3), wherein the upper body support device (1) is arranged at the rear end of the main body support device (2), and the leg support device (3) is arranged at the front end of the main body support device (2), characterized in that: The upper body support device (1) comprises a first telescopic frame (101), the rear ends of the first telescopic frame (101) are respectively fixedly connected with armrests (103), the top end of the first telescopic frame (101) is fixedly connected with a first support pad (102), the two armrests (103) are respectively fixedly connected with mounting plates (107) on the sides away from the first support pad (102), the two mounting plates (107) are respectively fixedly connected with limiting plates (105) on the sides away from the first support pad (102), the two sides of the first support pad (102) are respectively movably connected with connecting rods (104) on the rear sides, and the connecting rods (104) are respectively movably connected with the connecting rods (104). 104) is rotatably connected to a roller (106) at the other end; a first mounting frame (1013) is fixedly connected to the middle of the bottom end of the first telescopic frame (101); a first rotating block (1011) is rotatably connected to the inner wall of the first mounting frame (1013); a first fixing bolt (1012) is rotatably connected to the side wall of the first rotating block (1011); a first hydraulic rod (109) is provided on the other side of the first rotating block (1011); a first sleeve (108) is rotatably connected to the movable end of the first hydraulic rod (109); and a first sliding rod (1010) is slidably connected to the inner wall of the first sleeve (108).
2. A foldable stretcher for outdoor rescue according to claim 1, characterized in that: The main body support device (2) comprises a support frame (203), a second support pad (2012) is fixedly connected to the middle of the top of the support frame (203), handles (201) are fixedly connected to both sides of the top of the support frame (203), a threaded sleeve (2014) is fixedly connected to one side of the middle of the inner wall of the support frame (203), a screw rod (2013) is threadedly connected to the inner wall of the threaded sleeve (2014), forward wheels (204) are rotatably connected to both sides of the rear position of the bottom of the support frame (203), a rotating handle (205) is rotatably connected to the middle of one side of the support frame (203), universal wheels (207) are rotatably connected to both sides of the front of the bottom of the support frame (203), and a screw rod (2014) is fixedly connected to the inner wall of the threaded sleeve (2014). A first limiting groove (202) is provided, a second limiting groove (206) is fixedly connected to one side of the support frame (203) at the front position, a tightening belt (209) is rotatably connected to the other side of the support frame (203) at the upper position, one end of the tightening belt (209) is fixedly connected to the first slider (208), the other side of the support frame (203) is rotatably connected to the storage belt (2011) at the front side, the other end of the storage belt (2011) is fixedly connected to the second slider (2010), a cross sleeve (2015) is provided at the rear side of the bottom end of the inner wall of the support frame (203), the inner wall of the cross sleeve (2015) is slidably connected to a cross slide bar (2016), and one side of the inner wall of the support frame (203) is fixedly connected to one end of the first slide bar (1010).
3. A foldable stretcher for outdoor rescue according to claim 1, characterized in that: The leg support device (3) comprises a second telescopic frame (301), the top of the second telescopic frame (301) is fixedly connected to a third support pad (303), the front ends of the third support pad (303) are respectively fixedly connected to pedals (302), the middle of the bottom end of the pedal (302) is fixedly connected to a second mounting frame (307), the inner wall of the second mounting frame (307) is rotatably connected to a second rotating block (309), one side of the second rotating block (309) is rotatably connected to a second fixing bolt (308), the other side of the second rotating block (309) is fixedly connected to a second hydraulic rod (305), the fixed end of the second hydraulic rod (305) is rotatably connected to a second sleeve (304), the inner wall of the second sleeve (304) is slidably connected to a second sliding rod (306), and the second sleeve (304) is fixedly connected to the other side of the inner wall of the support frame (203) close to the front side.
4. The foldable stretcher for outdoor rescue according to claim 1, characterized in that: One end of the first fixing bolt (1012) passes through the first rotating block (1011) and is threadedly connected to the movable end of the first hydraulic rod (109), and the two limit plates (105) are respectively adapted to the side walls of the connecting rod (104).
5. The foldable stretcher for outdoor rescue according to claim 2, characterized in that: The first sliding block (208) is mutually adapted to the inner side wall of the first limiting groove (202), the second sliding block (2010) is mutually adapted to the inner side wall of the second limiting groove (206), and one end of the screw rod (2013) passes through the support frame (203) and is fixedly connected to the middle part of the rotating handle (205).
6. A foldable stretcher for outdoor rescue according to claim 4, characterized in that: The other side of the inner wall of the support frame (203) is fixedly connected to one end of the first sleeve (108), the second sleeve (304) is fixedly connected to the front side of the inner wall of the support frame (203), one end of the cross slide bar (2016) passes through one side wall of the support frame (203) and is fixedly connected to the middle of the forward wheel (204) on one side of the support frame (203), and one end of the cross sleeve (2015) passes through one side wall of the support frame (203) and is fixedly connected to the middle of the forward wheel (204) on the other side of the support frame (203).
7. The foldable stretcher for outdoor rescue according to claim 1, characterized in that: The first sleeve (108), the threaded sleeve (2014) and the second sleeve (304) are of equal length.
8. The foldable stretcher for outdoor rescue according to claim 3, characterized in that: One end of the second fixing bolt (308) passes through the second rotating block (309) and is threadedly connected to the movable end of the second hydraulic rod (305).