Adjustable limb immobilization device for emergency care

Abstract

The application discloses an adjustable limb fixing device for emergency nursing, which comprises a positioning support, a mounting positioning groove, a clamping assembly, an electric rotating table, an adjusting frame, a first adjusting motor, a follow-up seat and a limb binding assembly, a mounting positioning groove is formed in the central part of the side end face of the positioning support, the clamping assembly is arranged in the mounting positioning groove, the electric rotating table is fixedly installed on the central part of the top end face of the positioning support, and the adjusting frame is arranged above the top of the electric rotating table. The adjustable limb fixing device for emergency nursing has the advantages of simple structure, small size, convenient installation, good installation occlusion effect, prevention of falling during use, prevention of secondary injury to the limbs of patients, and improvement of the safety in use. Meanwhile, the fixing angle is adjustable, different fixing angle requirements can be met, firm limb fixing effect and good safety protection function can be achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of nursing apparatus, in particular to an adjustable limb fixing device for emergency nursing. BACKGROUND

[0002] In the emergency department, stretcher and bed are often used to diagnose and treat and nurse patients; when the patient lies on the stretcher and bed, the patient and the limbs need to be bound and fixed by the fixing device, since the fixed angle is not adjustable, it is not only inconvenient to use, but also the patient's body posture needs to be kept unchanged, when the patient's body posture changes, the fixing device is easy to cause secondary injury to the patient's limbs, and when fixed, the fixing is not firm, the fixing device is easy to fall off, which has certain safety risk, therefore, it is necessary to design an adjustable limb fixing device for emergency nursing. SUMMARY

[0003] The present application solves the problem of providing an adjustable limb fixing device for emergency nursing, which has simple structure and small size; when used, it is convenient to install, has good installation engagement effect, can effectively prevent the falling off during use, effectively avoids the secondary injury to the patient's limbs, greatly improves the safety of use; at the same time, the fixed angle can be adjusted, which can meet the different fixed angle requirements, and can have firm limb fixing effect and good safety protection function.

[0004] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0005] An adjustable limb fixing device for emergency nursing, comprising a positioning support, an installation positioning groove, a clamping assembly, an electric rotating table, an adjusting frame, a first adjusting motor, a follow-up seat and a limb binding assembly, an installation positioning groove is formed in the central side end face of the positioning support, and the clamping assembly is arranged in the inside of the installation positioning groove, an electric rotating table is fixedly installed on the central top end face of the positioning support, and an adjusting frame is arranged above the top of the electric rotating table, a follow-up seat is inserted and installed on the central top end face of the adjusting frame, and a plurality of limb binding assemblies are arranged above the top of the follow-up seat, a first adjusting motor is fixedly installed on the central side of the outer wall of the adjusting frame, and the motor shaft of the first adjusting motor is fixedly connected with the follow-up seat through the adjusting frame;

[0006] The clamping assembly comprises a mounting handle, a first transmission gear, a linkage shaft, a third transmission gear, a locking rack, a clamping top seat, a clamping pressure plate, a second transmission gear, a curved clamping hook, a limiting clamping block, a release cross rod, a spiral spring, a spring connecting rod and a clamping hook rotating rod, the inside of the positioning support is provided with a clamping groove in communication with the mounting positioning groove, a linkage shaft is inserted and mounted at the center of one side of the inner wall of the clamping groove, a third transmission gear is inserted and mounted at the outer side of one end of the linkage shaft, locking racks are engaged and mounted at the top and bottom of the third transmission gear, clamping top seats are fixedly mounted on the inner side end face of the locking rack, a clamping pressure plate is fixedly mounted on the end face of the clamping top seat close to the mounting positioning groove, and one end of the clamping pressure plate penetrates through the mounting positioning groove, a first transmission gear is connected and mounted at the other end of the linkage shaft through the positioning support, a mounting handle is fixedly mounted at the central end face of the first transmission gear, a second transmission gear is engaged and mounted at the outer side of the first transmission gear, a clamping hook rotating rod is provided at the top of one side of the second transmission gear, and the clamping hook rotating rod is fixedly connected with the positioning support, a curved clamping hook is sleeved and mounted at the outer side of the clamping hook rotating rod, a limiting clamping block is fixedly mounted at the end face of the second transmission gear close to the bottom end of the curved clamping hook, and the limiting clamping block is clamped and mounted with one tooth groove of the second transmission gear, a release cross rod is fixedly mounted at the central end of the limiting clamping block, a spiral spring is fixedly mounted at the bottom end of the outer wall of the curved clamping hook, a spring connecting rod is fixedly mounted at the other end of the spiral spring, and one end of the spring connecting rod is fixedly connected with the positioning support.

[0007] As a further scheme of the application, the top end face of the electric rotating table is provided with a rotating shaft, and the top of the rotating shaft is fixedly connected with the bottom end face of the adjusting frame.

[0008] As a further scheme of the application, the inner wall of the clamping groove is fixedly provided with anti-disengagement insertion supports on both sides, and the central end face of the locking rack is fixedly provided with anti-disengagement insertion blocks, and one end of the anti-disengagement insertion block is inserted and mounted in the central end face of the anti-disengagement insertion support.

[0009] As a further scheme of the application, the inner side end face of the two locking racks is provided with a locking tooth groove, and the toothed bars on both sides of the third transmission gear are respectively inserted and mounted in the corresponding locking tooth groove.

[0010] As a further scheme of the application, the central end face of the clamping pressure plate is provided with an arc-shaped clamping groove, and anti-slip pad plates are attached and mounted on both sides of the arc-shaped clamping groove and the central end face of the clamping pressure plate.

[0011] As a further scheme of the application, the outer wall of the positioning support is fixedly provided with a protective cover outside the second transmission gear, the end face of the protective cover is provided with a track groove at the outer position of the release cross rod, and the one end of the release cross rod is fixedly provided with a release handle penetrating through the track groove.

[0012] As a further scheme of the present application: the limb binding assembly includes a fixed support, an electric guide rail, an electric slide, an electric cylinder, a piston push rod, a limb holder, a winding box, a fixed binding belt, a mounting plugboard, a binding belt plug buckle, a binding belt plug piece and a bent rubber pipe, the fixed support is fixedly installed at the top of one end of the follow-up seat, a guide rail groove is formed in the central end face of the top of the fixed support, and an electric guide rail is fixedly installed at the central end face of the guide rail groove, a plurality of electric slides are arranged on the top end face of the electric guide rail, and an electric cylinder is fixedly installed on the top end face of the electric slide, a piston push rod is installed at the central top end face of the electric cylinder, a limb holder is fixedly installed at one end of the top of the piston push rod, a winding box is fixedly installed on one side of the outer portion of the electric slide, a fixed binding belt is woundly installed in the inside of the winding box, a binding belt plug piece is fixedly installed at the other end of the fixed binding belt, a mounting plugboard is fixedly installed on the other side of the outer portion of the electric slide, a binding belt plug buckle is fixedly installed at the central top end face of the mounting plugboard, and the binding belt plug piece is plug-in installed in the inside of the binding belt plug buckle.

[0013] As a further scheme of the present application: the limb holder is of an arc-shaped structure, and an anti-collision rubber strip is arranged at both ends of the limb holder, and a breathable cotton pad is attached and installed on the inner side end face of the arc-shaped structure.

[0014] As a further scheme of the present application: a second adjusting motor is fixedly installed at the central one end of the outer wall of the winding box, a winding shaft is fixedly installed at one end of the second adjusting motor, the winding shaft is plug-in installed in the inside of the winding box, and the other end of the fixed binding belt is woundly installed on the outer wall end face of the winding shaft.

[0015] As a further scheme of the present application: a bent rubber pipe is fixedly installed at the other end of the fixed support, a support insertion slot is formed in the central end face of the bent rubber pipe, and one end of the fixed support is fixedly installed in the inside of the support insertion slot through screws.

[0016] The application has the advantages that the adjustable limb fixing device for emergency nursing has simple structure and small size; the positioning support is fixedly installed on one side of the emergency stretcher or the bed edge through the clamping assembly during use, so that the installation is convenient and has good installation clamping effect; the limiting structure is arranged to avoid the clamping failure, thereby effectively preventing the falling during use and effectively avoiding the secondary injury to the patient's limbs, and greatly improving the safety during use; meanwhile, the angle of the adjusting frame is adjusted through the electric rotating table, and the angle of the follow-up seat is adjusted through the motor shaft when the first adjusting motor works, so that the height and angle of the limb binding assembly are moved to the position convenient for fixing the limbs, the limbs of the patient are fixed through the limb binding assembly, the fixed angle is adjustable, different fixed angle requirements can be met, and the limbs can be fixed firmly and have good safety protection function. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a first overall structure schematic view of the application;

[0018] Figure 2 It is a second overall structure schematic view of the application;

[0019] Figure 3 It is a third overall structure schematic view of the application;

[0020] Figure 4 It is an overall front view of the application;

[0021] Figure 5 It is an overall side view of the application;

[0022] Figure 6 It is an overall top view of the application;

[0023] Figure 7 It is an overall sectional view of the application;

[0024] Figure 8 It is a sectional view of the positioning support of the application;

[0025] Legend: 1, positioning support; 2, installation positioning groove; 3, clamping assembly; 4, electric rotary table; 5, adjusting frame; 6, first adjusting motor; 7, follow-up seat; 8, limb restraint assembly; 31, installation handle; 32, first transmission gear; 33, connecting shaft; 34, third transmission gear; 35, locking rack; 36, occlusion top seat; 37, clamping pressure plate; 38, anti-dropping plug; 39, anti-dropping plug; 310, protective cover; 311, second transmission gear; 312, curved hook; 313, limit block; 314, release cross bar; 315, spiral spring; 316, spring connecting rod; 317, hook rotating rod; 81, fixed support; 82, electric guide rail; 83, electric sliding seat; 84, electric cylinder; 85, piston push rod; 86, limb support; 87, winding box; 88, second adjusting motor; 89, winding shaft; 810, fixed restraint belt; 811, installation plugboard; 812, restraint belt plug; 813, restraint belt plug; 814, bent rubber tube. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0027] Specific embodiments are given below.

[0028] Reference Figures 1-8 An adjustable limb fixing device for emergency nursing, comprising a positioning support 1, an installation positioning groove 2, a clamping assembly 3, an electric rotary table 4, an adjusting frame 5, a first adjusting motor 6, a follow-up seat 7 and a limb restraint assembly 8, a central part of one side end face of the positioning support 1 is provided with the installation positioning groove 2, and the inside of the installation positioning groove 2 is provided with the clamping assembly 3, a central part of the top end face of the positioning support 1 is fixedly provided with the electric rotary table 4, and the top of the electric rotary table 4 is provided with the adjusting frame 5, a central part of the top end face of the adjusting frame 5 is insertedly provided with the follow-up seat 7, and the top of the follow-up seat 7 is provided with a plurality of limb restraint assemblies 8, a central part of one side outer wall of the adjusting frame 5 is fixedly provided with the first adjusting motor 6, and the motor shaft of the first adjusting motor 6 is fixedly connected with the follow-up seat 7 through the adjusting frame 5;

[0029] The clamping assembly 3 comprises a mounting handle 31, a first transmission gear 32, a linkage shaft 33, a third transmission gear 34, a locking rack 35, a clamping top seat 36, a clamping pressure plate 37, a second transmission gear 311, a curved clamping hook 312, a limiting clamping block 313, a release cross rod 314, a spiral spring 315, a spring connecting rod 316 and a clamping hook rotating rod 317. The inside of the positioning support 1 is provided with a clamping groove, and the clamping groove is communicated with the mounting positioning groove 2. The inner wall of the clamping groove is provided on one side with the linkage shaft 33 inserted and mounted in the center. The outer side of one end of the linkage shaft 33 is provided with the third transmission gear 34 inserted and mounted. The top and bottom of the third transmission gear 34 are both provided with the locking rack 35 engaged and mounted. The inner side of the locking rack 35 is provided with the clamping top seat 36 fixedly mounted on the end face. The clamping top seat 36 is provided with the clamping pressure plate 37 fixedly mounted on the end face close to the mounting positioning groove 2, and one end of the clamping pressure plate 37 penetrates the mounting positioning groove 2. The other end of the linkage shaft 33 is provided with the first transmission gear 32 connected and mounted through the positioning support 1. The end face of the first transmission gear 32 is provided with the mounting handle 31 fixedly mounted in the center. The outer side of the first transmission gear 32 is provided with the second transmission gear 311 engaged and mounted. The top of the second transmission gear 311 is provided with the clamping hook rotating rod 317 on one side above. The clamping hook rotating rod 317 is fixedly connected with the positioning support 1. The outer side of the clamping hook rotating rod 317 is provided with the curved clamping hook 312 sleeved and mounted. The bottom of the curved clamping hook 312 is provided with the limiting clamping block 313 fixedly mounted on one end close to the end face of the second transmission gear 311. The limiting clamping block 313 is clamped and mounted with one tooth groove of the second transmission gear 311. One end of the limiting clamping block 313 is provided with the release cross rod 314 fixedly mounted in the center. The outer wall of the curved clamping hook 312 is provided with the spiral spring 315 fixedly mounted on one end of the bottom. The other end of the spiral spring 315 is provided with the spring connecting rod 316 fixedly mounted. One end of the spring connecting rod 316 is fixedly connected with the positioning support 1.

[0030] The top end face of the electric rotating table 4 is provided with a rotating shaft in the center, and the top of the rotating shaft is fixedly connected with the bottom end face of the adjusting frame 5. The angle of the adjusting frame 5 can be adjusted through the electric rotating table 4.

[0031] The inner wall of the clamping groove is provided with the anti-disengagement insertion frame 38 fixedly mounted on both sides. The back end face of the locking rack 35 is provided with the anti-disengagement insertion block 39 fixedly mounted in the center on both sides. One end of the anti-disengagement insertion block 39 is inserted and mounted in the center of the end face of the anti-disengagement insertion frame 38. The anti-disengagement insertion block 39 slides in the anti-disengagement insertion frame 38, which can make the sliding of the locking rack 35 more stable.

[0032] The inner side end face of the two locking racks 35 is provided with a locking tooth groove. The toothed bars on both sides of the third transmission gear 34 are respectively inserted and mounted in the corresponding locking tooth grooves, which is convenient for power transmission.

[0033] The end face of the clamping pressing plate 37 is provided with an arc-shaped clamping groove in the center, and anti-skid pads are attached to both sides of the end face of the clamping pressing plate 37, so as to improve the anti-skid effect and facilitate the clamping fixation.

[0034] The outer wall of the positioning support 1 is externally fixedly provided with a protective cover 310, the end face of the protective cover 310 is externally provided with a track groove at the position of the release cross rod 314, and one end of the release cross rod 314 is fixedly provided with a release handle through the track groove; by pushing the release handle, the release cross rod 314 and the limiting block 313 can be driven to move, so that the limiting block 313 is separated from the second transmission gear 311, thereby facilitating the reverse rotation of the second transmission gear 311.

[0035] The limb binding assembly 8 comprises a fixed support 81, an electric guide rail 82, an electric sliding seat 83, an electric cylinder 84, a piston push rod 85, a limb bracket 86, a winding box 87, a fixed binding belt 810, a mounting plug plate 811, a binding belt plug buckle 812, a binding belt plug piece 813 and a bent rubber pipe 814. The fixed support 81 is fixedly installed at one end of the top of the follow-up seat 7. The top end face of the fixed support 81 is provided with a guide rail groove in the center, and the end face of the guide rail groove is fixedly provided with the electric guide rail 82 in the center. The top end face of the electric guide rail 82 is provided with a plurality of electric sliding seats 83, and the top end face of the electric sliding seat 83 is fixedly provided with the electric cylinder 84. The top end face of the electric cylinder 84 is centrally provided with the piston push rod 85, and the top end of the piston push rod 85 is fixedly provided with the limb bracket 86. The outer side of the electric sliding seat 83 is fixedly provided with the winding box 87, and the inside of the winding box 87 is woundly provided with the fixed binding belt 810. The other end of the fixed binding belt 810 is fixedly provided with the binding belt plug piece 813. The outer side of the electric sliding seat 83 is fixedly provided with the mounting plug plate 811, and the top end face of the mounting plug plate 811 is fixedly provided with the binding belt plug buckle 812 in the center. The bottom end of the binding belt plug piece 813 is insertedly installed in the inside of the binding belt plug buckle 812. The limb bracket 86 is of an arc structure, and the two ends of the limb bracket 86 are provided with anti-collision rubber strips, and the inner side end face of the arc structure is attached with a breathable cotton pad. The outer wall of the winding box 87 is fixedly provided with a second adjusting motor 88 at one end in the center, and one end of the second adjusting motor 88 is fixedly provided with a winding shaft 89. The other end of the winding shaft 89 is insertedly installed in the inside of the winding box 87, and the other end of the fixed binding belt 810 is woundly installed on the outer wall end face of the winding shaft 89. The other end of the fixed support 81 is fixedly provided with the bent rubber pipe 814, and the end face of the bent rubber pipe 814 is provided with a support insertion groove in the center. One end of the fixed support 81 is fixedly installed in the inside of the support insertion groove through screws. The limb binding assembly 8 can have a good fixing effect on the limbs, and the fixing angle and position are adjustable, which greatly improves the convenience of limb fixation.

[0036] The working principle of the present application is as follows: when in use, the mounting positioning groove 2 of the positioning support 1 is inserted and mounted on one side of the emergency stretcher or the bedrail, the positioning support 1 is fixedly mounted on one side of the emergency stretcher or the bedrail through the clamping assembly 3, the installation handle 31 is manually twisted clockwise, the installation handle 31 drives the first transmission gear 32 and the connecting shaft 33 to rotate, when the connecting shaft 33 rotates, the connecting shaft 33 drives the third transmission gear 34 to rotate in the clamping groove, because the two sides of the third transmission gear 34 are respectively engaged with the two locking racks 35, the two locking racks 35 can respectively move downward and upward, when the position of the locking rack 35 changes, the locking rack 35 drives the anti-withdrawal plug 39 to slide in the anti-withdrawal plug holder 38, so that the movement of the locking rack 35 has good guiding stability, the upward locking rack 35 can drive the clamping top seat 36 and the clamping pressure plate 37 connected thereto to move upward, the downward locking rack 35 can drive the clamping top seat 36 and the clamping pressure plate 37 connected thereto to move downward, the two opposite moving clamping pressure plates 37 are clamped and fixed with the emergency stretcher or the bedrail, when the first transmission gear 32 rotates, the second transmission gear 311 can rotate, when the second transmission gear 311 rotates by one gear, because the one end of the curved hook 312 is sleeved and mounted in the clamping hook rotating rod 317, the rack of the second transmission gear 311 can push the curved hook 312 and the limiting block 313, when the curved hook 312 is pushed, the spiral spring 315 on one side of the spring connecting rod 316 can be squeezed, after the limiting block 313 at one end of the curved hook 312 is separated from the one gear groove of the second transmission gear 311, the spiral spring 315 loses the pushing force and resets, thereby pushing the curved hook 312 and the limiting block 313 to be inserted into the other gear groove of the second transmission gear 311, the rotation of the second transmission gear 311 is limited by the curved hook 312 and the limiting block 313, so that the installation handle 31 can only rotate clockwise and cannot rotate counterclockwise, avoiding the situation that the second transmission gear 311 reversely rotates to cause the clamping pressure plate 37 to lose the clamping effect, the angle of the adjusting frame 5 is adjusted by the electric rotating table 4, and the angle of the adjusting seat 7 is adjusted by the first adjusting motor 6 when the first adjusting motor 6 works, the height and the angle of the limb restraint assembly 8 are moved to a position convenient for fixing the limbs, the limbs of the patient can be fixed by the limb restraint assembly 8, the electric guide rail 82 in the fixing support 81 works, the electric sliding seat 83 can slide outside the electric guide rail 82, in the sliding process, the electric cylinder 84 works, the piston push rod 85 can be pushed, the height and the angle of the limb support 86 are adjusted by the electric sliding seat 83 and the piston push rod 85, so that the limbs can be placed in the limb support 86, when the second adjusting motor 88 outside the winding box 87 works, the winding shaft 89 can release a certain length of the winding fixing restraint belt 810, the restraint belt plug 813 is pulled,The fixed binding belt 810 released from the inside of the winding box 87 is pulled out from the inside of the winding box 87, the fixed binding belt 810 is wound around the top end face of the limb, the binding belt plug 813 is inserted and installed in the inside of the binding belt plug buckle 812 on the top of the installation plug plate 811, the limb is fixed on the top of the limb holder 86 through the fixed binding belt 810, the bending rubber pipe 814 is bent to adjust the angle between the two connected fixed supports 81, and the adjustment of the joint part of the limb can be adapted; when the positioning support 1 needs to be removed, the release handle outside the release cross rod 314 is manually pushed to drive the release handle to move in the track groove on the end face of the protective cover 310, the other end of the release cross rod 314 can drive the limiting block 313 to separate from the tooth groove of the second transmission gear 311, the installation handle 31 is counterclockwise rotated to rotate the first transmission gear 32, the second transmission gear 311 and the third transmission gear 34 are rotated, the two clamping pressure plates 37 are reversely moved, the effect of the clamping is lost, and the disassembly is facilitated.

[0037] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An adjustable limb immobilization device for emergency care, characterized in that, Including positioning support (1), install positioning groove (2), clamping assembly (3), electric rotating table (4), adjusting frame (5), first adjusting motor (6), follow-up seat (7) and limb restraint assembly (8), the side end face of positioning support (1) is provided with install positioning groove (2) in the middle, and the inside of install positioning groove (2) is provided with clamping assembly (3), the top end face of positioning support (1) is fixedly installed with electric rotating table (4) in the middle, and the top of electric rotating table (4) is provided with adjusting frame (5) above, the top end face of adjusting frame (5) is insertedly installed with follow-up seat (7) in the middle, and the top of follow-up seat (7) is provided with a plurality of limb restraint assembly (8) above, the outer wall of adjusting frame (5) is fixedly installed with first adjusting motor (6) in the middle, and the motor shaft of first adjusting motor (6) is fixedly connected with follow-up seat (7) through adjusting frame (5); The clamping assembly (3) comprises a mounting handle (31), a first transmission gear (32), a linkage shaft (33), a third transmission gear (34), a locking rack (35), a clamping top seat (36), a clamping pressure plate (37), a second transmission gear (311), a curved clamping hook (312), a limiting clamping block (313), a release cross rod (314), a spiral spring (315), a spring connecting rod (316) and a clamping hook rotating rod (317), the inside of the positioning support (1) is provided with a clamping groove, and the clamping groove is communicated with the mounting positioning groove (2), the inside wall of the clamping groove is provided on one side of the central plug-in mounting of the linkage shaft (33), one end of the linkage shaft (33) is provided on the outside plug-in mounting of the third transmission gear (34), the top and bottom of the third transmission gear (34) are provided with the locking rack (35) in meshing, the inside end face of the locking rack (35) is fixedly provided with the clamping top seat (36), the end face of the clamping top seat (36) close to the mounting positioning groove (2) is fixedly provided with the clamping pressure plate (37), and one end of the clamping pressure plate (37) penetrates the mounting positioning groove (2), the other end of the linkage shaft (33) is connected and mounted through the positioning support (1) and is provided with the first transmission gear (32), and the end face of the first transmission gear (32) is fixedly provided with the mounting handle (31) in the center, the outside of the first transmission gear (32) is provided with the second transmission gear (311) in meshing, the top of the second transmission gear (311) is provided on one side above the clamping hook rotating rod (317), and the clamping hook rotating rod (317) is fixedly connected with the positioning support (1), the outside of the clamping hook rotating rod (317) is provided with the curved clamping hook (312) in sleeve connection, the bottom of the curved clamping hook (312) is fixedly provided with the limiting clamping block (313) on one end close to the end face of the second transmission gear (311), and the limiting clamping block (313) is clamped and mounted with one tooth groove of the second transmission gear (311), one end of the limiting clamping block (313) is fixedly provided with the release cross rod (314) in the center, the bottom of the curved clamping hook (312) is fixedly provided with the spiral spring (315) on one end of the outer wall, the other end of the spiral spring (315) is fixedly provided with the spring connecting rod (316), and one end of the spring connecting rod (316) is fixedly connected with the positioning support (1).

2. The adjustable limb immobilization device for emergency care of claim 1, wherein, The inside end face of the two locking racks (35) is provided with a locking tooth groove, and the racks on the two sides of the third transmission gear (34) are respectively clamped and mounted in the inside of the corresponding locking tooth groove.

3. The adjustable limb immobilization device for emergency care of claim 1, wherein, The end face of the clamping pressure plate (37) is provided with an arc-shaped clamping groove in the center, and the arc-shaped clamping groove and the end face of the clamping pressure plate (37) are provided with anti-skid pads in close contact.

4. The adjustable limb immobilization device for emergency care of claim 1, wherein, The outer wall of the positioning support (1) is externally fixedly installed with a protective cover (310) outside the second transmission gear (311), the end face of the protective cover (310) is provided with a track groove at the position outside the release cross rod (314), and one end of the release cross rod (314) is fixedly installed with a release handle through the track groove.

5. The adjustable limb immobilization device for emergency care of claim 1, wherein, The limb binding assembly (8) comprises a fixed support (81), an electric guide rail (82), an electric sliding seat (83), an electric cylinder (84), a piston push rod (85), a limb support (86), a winding box (87), a fixed binding belt (810), a mounting plugboard (811), a binding belt plug buckle (812), a binding belt plug piece (813) and a bent rubber pipe (814). The fixed support (81) is fixedly installed at the top of one end of the follow-up seat (7). A guide rail groove is formed in the central top end face of the fixed support (81), and an electric guide rail (82) is fixedly installed at the central end face of the guide rail groove. A plurality of electric sliding seats (83) are arranged on the top end face of the electric guide rail (82), and an electric cylinder (84) is fixedly installed on the top end face of the electric sliding seat (83). A piston push rod (85) is installed at the central top end face of the electric cylinder (84), and a limb support (86) is fixedly installed at one end of the top of the piston push rod (85). A winding box (87) is fixedly installed on one side of the outer side of the electric sliding seat (83), and a fixed binding belt (810) is woundly installed in the winding box (87). The other end of the fixed binding belt (810) is fixedly installed with a binding belt plug piece (813). A mounting plugboard (811) is fixedly installed on the other side of the outer side of the electric sliding seat (83), and a binding belt plug buckle (812) is fixedly installed at the central top end face of the mounting plugboard (811). One end of the binding belt plug piece (813) is plug-in installed in the binding belt plug buckle (812).

6. The adjustable limb immobilization device for emergency care of claim 5, wherein, The limb support (86) is in an arc-shaped structure, and anti-collision rubber strips are arranged at both ends of the limb support (86), and a breathable cotton pad is attached to the inner side end face of the arc-shaped structure.

7. The adjustable limb- immobilizing device for emergency care of claim 5, wherein, A second adjusting motor (88) is fixedly installed at the central end of the outer wall of the winding box (87), and a winding shaft (89) is fixedly installed at one end of the second adjusting motor (88). One end of the winding shaft (89) is plug-in installed in the winding box (87), and the other end of the fixed binding belt (810) is woundly installed on the end face of the outer wall of the winding shaft (89).

8. The adjustable limb- immobilizing device for emergency care of claim 5, wherein, The other end of the fixed support (81) is fixedly installed with a bent rubber pipe (814), and a support insertion groove is formed in the central end face of the bent rubber pipe (814), and one end of the fixed support (81) is fixedly installed in the support insertion groove through screws.

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