A multifunctional protective cradle

Abstract

The application discloses a multifunctional protection bracket, belonging to the field of surgical medical technology, comprising a mobile bracket, further comprising a storage protection device and a fixing device, the mobile bracket is provided with the storage protection device for storage protection and the fixing device for convenient fixation during use; the storage protection device comprises a shell, a limiting component and a protection component; the limiting component comprises a plurality of spring components and a plurality of limiting components, the spring components and the limiting components are installed on the inner side of the shell and connected with the protection component, and the spring components and the limiting components limit and protect the protection component. In the above manner, the spring components and the limiting components limit the protection component, so that the instrument can be effectively protected when the shell is closed, meanwhile, the shell stores the whole, so that the instrument can be quickly stored after use, and the multifunctional integration of placement during use and storage after use is realized by the simple structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surgical medical technology, in particular to a multifunctional protection bracket. BACKGROUND

[0002] During neurosurgery, many precision instruments are used. In order to facilitate use during the operation, a bracket is usually used to place the instruments, and safe storage is also required after disinfection.

[0003] For example, Chinese patent application CN111419411A discloses a brain surgery bracket, which comprises a base and a protection mechanism. The bottom ends of the base are fixedly connected with casters. The top surface of the base is fixedly connected with a vertical rod. The top surface of the vertical rod is fixedly connected with a handle. The top end of the vertical rod is fixedly connected with a fixed frame. The top end of the fixed frame is fixedly connected with a lower tray. The protection mechanism comprises an upper tray. The size of the upper tray is equal to that of the lower tray. The upper tray is installed at the top end of the lower tray. The upper tray and the lower tray are fixedly connected with hinges at the end outer walls.

[0004] However, the brain surgery bracket has a single function when in use. The precision instruments are directly placed in the tray, which cannot provide effective protection for the instruments and cannot store the instruments after the operation.

[0005] Therefore, the present application provides a multifunctional protection bracket to solve the above problems. SUMMARY

[0006] In view of the above-mentioned shortcomings of the prior art, the present application provides a multifunctional protection bracket.

[0007] To achieve the above-mentioned purposes, the present application is implemented by the following technical solutions:

[0008] The multifunctional protection bracket comprises a mobile bracket, a storage protection device, and a fixing device.

[0009] The mobile bracket is provided with a storage protection device for storage protection and a fixing device for convenient fixation during use.

[0010] The storage protection device comprises a shell for placing storage, a limiting component for auxiliary protection, and a protection component for protection support. The shell is connected with the mobile bracket, the protection component, and the fixing device. The protection component is connected with the fixing device.

[0011] The limiting component comprises a plurality of spring components and a plurality of limiting components. The spring components and the limiting components are installed inside the shell and connected with the protection component. The spring components and the limiting components limit and protect the protection component.

[0012] Further, the mobile bracket comprises a foot pedal lifting frame and a plurality of universal wheels, the foot pedal lifting frame is fixedly installed with the plurality of universal wheels at the lower end, and the upper end of the foot pedal lifting frame is connected with the shell.

[0013] Further, the shell comprises a box body and an upper cover, the box body is fixedly installed at the upper end of the foot pedal lifting frame, the rear end of the box body is rotationally connected with the upper cover, the inner side of the box body is connected with the spring part, the limiting part, the protection assembly and the fixing device, and the upper cover is connected with the protection assembly and the fixing device.

[0014] Further, the plurality of spring parts are uniformly distributed on the inner side of the box body, the spring part comprises a spring and a spring baffle, the spring is fixedly installed on the inner side of the box body, and the spring baffle is fixedly installed on the upper end of the spring, the upper end of the spring baffle is connected with the protection assembly, the limiting part is located at the front and rear ends of the inner side of the box body, the limiting part comprises a rotating clamping block and two torsion springs, the rotating clamping block is rotationally installed on the inner side of the box body, the two torsion springs are respectively located at the two sides of the rotating clamping block, the two ends of the torsion spring are respectively fixedly connected with the rotating clamping block and the box body, and the rotating clamping block is connected with the protection assembly.

[0015] Further, the protection assembly comprises a placing disc, a silica gel pad, a plurality of dovetail silica gel strips and a plurality of clamping groove plates, the placing disc is slidably connected with the box body on the inner side of the box body, the lower end of the placing disc is abuttingly connected with the spring baffle, the upper end of the placing disc is abuttingly connected with the rotating clamping block, the silica gel pad is placed on the inner side of the placing disc, a plurality of through holes for disinfection are formed in the bottom of the placing disc, a plurality of through holes for ventilation are uniformly formed in the silica gel pad, a plurality of rubber soft columns for fixing instruments are uniformly fixed on the upper end of the silica gel pad, the plurality of dovetail silica gel strips are clamped on the inner side of the clamping groove plate, the plurality of clamping groove plates are uniformly and fixedly installed on the inner side of the upper cover, and the lower end of the placing disc is connected with the fixing device.

[0016] Further, the fixing device comprises a supporting plate and two fixing assemblies, the upper end of the supporting plate is abuttingly connected with the placing disc, the two fixing assemblies are symmetrically installed on the left and right sides of the supporting plate, and the fixing assembly is connected with the box body and the upper cover.

[0017] Further, the supporting plate is a square plate, the fixing assembly comprises a supporting ring, a connecting plate, two sliding plates, two mounting plates, a handle and a clamping column, the two ends of the supporting ring are rotationally connected with the supporting plate and the connecting plate respectively, the lower end of the connecting plate is limitingly and slidably connected with the box body, the outer side of the connecting plate is fixedly connected with the sliding plate, the sliding plate passes through the box body and is slidably connected with the box body and the mounting plate, the mounting plate is fixedly installed on the outer side of the box body, the handle is fixedly installed on the outer sides of the two mounting plates, one end of the clamping column is rotationally connected with the outer side of the upper cover, the other end of the clamping column is clamped with the sliding plate and the mounting plate, and the through holes for cooperating with the clamping column are formed in the sliding plate and the mounting plate on the side close to the upper cover.

[0018] Further, the lower end of the box body is also provided with two glove putting-on and taking-off devices, the glove putting-on and taking-off device comprises a box body two, a sleeve ring and a blocking block, the box body two is arranged at the bottom of the box body and the openings are arranged towards the user, the sleeve ring is arranged in the box body two and located at the opening, and a plurality of blocking blocks are arranged on the side of the sleeve ring away from the opening.

[0019] Further, the glove putting-on and taking-off device further comprises a motor, a gear ring and a limiting guide block, the motor is arranged in the box body two and the output shaft is connected with a gear, the sleeve ring is rotatably arranged in the box body two, the gear ring is sleeved outside the sleeve ring and engaged with the gear, and the side of the box body two away from the opening is provided with a switch button of the motor on the inner wall;

[0020] The sleeve ring is provided with a through hole in the radial direction, the blocking block is in sliding connection with the through hole, the inner end is located on the inner side of the sleeve ring, the outer end is located on the outer side of the sleeve ring and connected with the sleeve ring through a spring, and the limiting guide block is fixedly arranged on the inner wall of the box body two and can be in contact with the outer end of the blocking block and push the blocking block to move inward.

[0021] Further, the inner end of the blocking block is L-shaped, the end portion is bent towards the direction away from the opening, and the end face is wedge-shaped.

[0022] Compared with the prior art, the present application has the following advantages: 1. The spring part and the limiting part limit the protection assembly, so that the instrument can be effectively protected when the shell is closed, and the shell can store the whole, so that the instrument can be quickly stored after use, and the multifunctional integration of placement during use and storage after use is realized by the simple structure;

[0023] 2. The clamping of the clamping column, the sliding plate and the mounting plate provides support force for the upper cover and avoids the sliding between the sliding plate and the mounting plate, so that the support plate is fixed, the support plate provides support force for the placement disc during use, and the spring compression during taking the instrument is avoided to avoid inconvenience in taking the instrument;

[0024] 3. The sleeve ring and the blocking block are arranged, so that the surgical gloves can be easily worn, surgical pollution is avoided, and the gloves after surgery can fall into the box body two for subsequent treatment. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0026] Figure 1A perspective view of a multifunctional protective cradle according to the present application;

[0027] Figure 2 A front view of a multifunctional protective cradle according to the present application;

[0028] Figure 3 A partial exploded view of a multifunctional protective cradle according to the present application;

[0029] Figure 4 A partial perspective view of a storage protection device and a fixing device according to the present application;

[0030] Figure 5 A partial perspective view of a storage protection device and a fixing device according to the present application; Figure 2

[0031] Figure 6 Figure 5

[0032] Figure 7 A partial exploded view of a protection assembly according to the present application;

[0033] Figure 8 A partial perspective view of a protection assembly according to the present application;

[0034] Figure 9 A perspective view of a glove donning and doffing device according to the present application;

[0035] Figure 10 A schematic view of another embodiment of a glove donning and doffing device according to the present application.

[0036] The reference numerals in the figures represent respectively:

[0037] 1. mobile cradle; 11. foot-operated lifting frame; 12. universal wheel; 2. storage protection device; 21. outer shell; 211. box body; 212. upper cover; 22. limiting assembly; 221. spring; 222. spring baffle; 223. rotating clamping block; 224. torsional spring; 23. protection assembly; 231. placing disc; 232. silica gel pad; 233. dovetail silica gel strip; 234. clamping groove plate; 3. fixing device; 31. support plate; 32. fixing assembly; 321. support ring; 322. connecting plate; 323. sliding plate; 324. mounting plate; 325. handle; 326. clamping column; 4. glove donning and doffing device; 41. box body two; 42. sleeve ring; 421. tooth ring; 43. blocking block; 44. motor; 441. gear; 45. limiting guide block; 46. first spring. DETAILED DESCRIPTION

[0038] ​​​To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings 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 making any creative efforts shall fall within the scope of protection of the present invention.

[0039] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0040] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figures 1-9 , a multifunctional protection bracket, comprising a mobile bracket 1, a storage protection device 2 and a fixing device 3;

[0041] The mobile bracket 1 is provided with a storage protection device 2 for storage and protection and a fixing device 3 for convenient fixing during use;

[0042] The storage protection device 2 includes a housing 21 for storage, a limiting component 22 for auxiliary protection, and a protection component 23 for protection support. The housing 21 is connected to the mobile bracket 1, the protection component 23 and the fixing device 3, and the protection component 23 is connected to the fixing device 3.

[0043] The limiting component 22 includes multiple spring components and multiple limiting components. The spring components and the limiting components are installed inside the shell 21 and connected to the protection component 23. The spring components and the limiting components provide limiting protection for the protection component 23.

[0044] When the multifunctional protective bracket is in normal use, the instrument is placed on the protective component 23 for use. When it needs to be stored, the protective component 23 is taken out from between the spring component and the limiting component for disinfection. After disinfection, the protective component 23 is again limited by the spring component and the limiting component. The fixing device 3 is used to release the fixed restriction of the shell 21 and the protective component 23, and the shell 21 is closed. The shell 21 drives the protective component 23 to protect the instrument. At the same time, the spring component pushes the protective component 23 upward to stably limit the instrument. The movable bracket 1 is used to adjust and move the height. The spring component and the limiting component limit the protective component 23, so that the instrument can be effectively protected when the shell 21 is closed. At the same time, the shell 21 stores the whole, so that the instrument can be quickly stored after use. The simple structure realizes the multifunctional integration of placement during use and storage after use.

[0045] Embodiment 2: In some embodiments, as Figure 1 、 Figure 2 、 Figure 3 、Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 As shown in FIGS. 1-5, as a preferred embodiment of the present application, the mobile bracket 1 comprises a foot lifting frame 11 and a plurality of universal wheels 12, the foot lifting frame 11 is fixedly installed with the plurality of universal wheels 12 at the lower end, and the upper end of the foot lifting frame 11 is connected with a shell 21.

[0046] The shell 21 comprises a box body 211 and an upper cover 212, the box body 211 is fixedly installed at the upper end of the foot lifting frame 11, the rear end of the box body 211 is rotationally connected with the upper cover 212, the inner side of the box body 211 is connected with spring components, limiting components, a protection assembly 23 and a fixing device 3, and the upper cover 212 is connected with the protection assembly 23 and the fixing device 3.

[0047] The plurality of spring components are uniformly distributed on the inner side of the box body 211, the spring components comprise springs 221 and spring baffles 222, the springs 221 are fixedly installed on the inner side of the box body 211, and the spring baffles 222 are fixedly installed on the upper end of the springs 221, the upper end of the spring baffles 222 is connected with the protection assembly 23, and the limiting components are located at the front and rear ends of the inner side of the box body 211, the limiting components comprise rotating clamping blocks 223 and two torsion springs 224, the rotating clamping blocks 223 are rotationally installed on the inner side of the box body 211, the two torsion springs 224 are respectively located on the two sides of the rotating clamping blocks 223, the two ends of the torsion springs 224 are respectively fixedly connected with the rotating clamping blocks 223 and the box body 211, and the rotating clamping blocks 223 are connected with the protection assembly 23.

[0048] The protection assembly 23 comprises a placing disc 231, a silica gel pad 232, a plurality of dovetail silica gel strips 233 and a plurality of clamping groove plates 234, the placing disc 231 is slidingly connected with the box body 211 on the inner side of the box body 211, the lower end of the placing disc 231 is abuttingly connected with the spring baffles 222, the upper end of the placing disc 231 is abuttingly connected with the rotating clamping blocks 223, the silica gel pad 232 is placed on the inner side of the placing disc 231, a plurality of through holes for disinfection are formed on the bottom of the placing disc 231, a plurality of through holes for ventilation are uniformly formed on the silica gel pad 232, a plurality of rubber soft columns for fixing instruments are uniformly fixed on the upper end of the silica gel pad 232, the plurality of dovetail silica gel strips 233 are clamped on the inner side of the clamping groove plates 234, the plurality of clamping groove plates 234 are uniformly and fixedly installed on the inner side of the upper cover 212, and the lower end of the placing disc 231 is connected with the fixing device 3.

[0049] In the embodiment, the rubber soft columns on the silica gel pad 232 are arranged in a rectangular array, the dovetail silica gel strips 233 are arranged along the column direction of the rubber soft columns and are staggered with the rubber soft columns, and can be inserted between part of the adjacent columns of the rubber soft columns.

[0050] The fixing device 3 comprises a support plate 31 and two fixing assemblies 32, the upper end of the support plate 31 is connected with the placing disc 231, and the two fixing assemblies 32 are symmetrically installed on the left and right sides of the support plate 31, and the fixing assembly 32 is connected with the box body 211 and the upper cover 212.

[0051] The support plate 31 is a square plate, the fixing assembly 32 comprises a support ring 321, a connecting plate 322, two sliding plates 323, two mounting plates 324, a handle 325 and a clamping column 326, the two ends of the support ring 321 are rotationally connected with the support plate 31 and the connecting plate 322 respectively, the lower end of the connecting plate 322 is limitingly and slidingly connected with the box body 211, the outer side of the connecting plate 322 is fixedly connected with the sliding plate 323, the sliding plate 323 passes through the box body 211 and is slidingly connected with the box body 211 and the mounting plate 324, the mounting plate 324 is fixedly installed on the outer side of the box body 211, the handle 325 is fixedly installed on the outer sides of the two mounting plates 324, one end of the clamping column 326 is rotationally connected with the outer side of the upper cover 212, the other end of the clamping column 326 is clamped with the sliding plate 323 and the mounting plate 324, and the sliding plate 323 and the mounting plate 324 close to the upper cover 212 are provided with through holes matched with the clamping column 326.

[0052] When the multifunctional protective bracket is in normal use, the instrument is placed on the silicone pad 232 for use, and a towel used for surgery is placed on the upper cover 212. After the surgery, the clamping column 326 is rotated to separate the clamping column 326 from the sliding plate 323 and the mounting plate 324, and the silicone pad 232 is pressed down. The silicone pad 232 drives the placement plate 231 to press down the spring baffle 222 and the support plate 31. The spring baffle 222 compresses the spring 221, and the support plate 31 drives the connecting plate 322 to slide along the box body 211. The connecting plate 322 drives the sliding plate 323 to slide, and the rotating block 223 is rotated to remove the placement plate 231 and the silicone pad 232 from the inside of the box body 211 for disinfection. After the disinfection is completed, the placement plate 231 is pressed down along the box body 211 to be limited by the spring baffle 222 and the rotating block 223, and the upper cover 212 is rotated. The upper cover 212 drives the dovetail silicone strip 233 to move, and the dovetail silicone strip 233 presses the instrument on the silicone pad 232 and the placement plate 231. The dovetail end of the silicone strip can The spring 221 and the spring baffle 222 push the placement plate 231 upward to increase the contact area, and the spring 221 pushes the spring baffle 222 to push the placement plate 231 upward, and the instrument is fixed under the clamping of the silicone pad 232 and the dovetail silicone strip 233, and the handle 325 and the universal wheel 12 are used to push and move it to the designated position for storage, and the foot lift 11 is used to adjust the height to reduce the occupied space. The upward pushing force of the placement plate 231 by the spring 221 and the spring baffle 222, combined with the clamping of the silicone pad 232 and the dovetail silicone strip 233 to the instrument, ensures that the instrument is stably limited to avoid damage caused by shaking of the instrument during movement or storage. The clamping column 326 cooperates with the sliding plate 323 and the mounting plate 324 to provide support for the upper cover 212 while preventing sliding between the sliding plate 323 and the mounting plate 324, thereby fixing the support plate 31, so that the support plate 31 provides support for the placement plate 231 during use, avoiding compression of the spring 221 when taking the instrument and causing inconvenience in taking it.

[0053] Embodiment 3: In some embodiments, as Figure 1 and Figure 9 As shown, as a preferred embodiment of the present invention, two glove putting on and taking off devices 4 are further installed at the lower end of the box body 211. The glove putting on and taking off devices 4 include a second box body 41, a collar 42 and a blocking block 43. The second box body 41 is arranged at the bottom of the box body 211, and the openings are all arranged toward the user. The collar 42 is arranged in the second box body 41 and is located at the opening. A plurality of blocking blocks 43 are circumferentially provided on the side of the collar 42 away from the opening.

[0054] After the operation, the hand is inserted into the box body two 41 through the sleeve ring 42, one side of the glove is clamped into one blocking block 43, the arm is moved to stretch the glove, the other side of the glove is clamped into another blocking block 43, and then the arm is withdrawn backward, and the glove is dropped into the box body two 41 under the limitation of the two blocking blocks 43. Through the arrangement of the sleeve ring 42 and the blocking block 43, the surgical glove can be conveniently taken off, the surgical pollution is avoided, and the glove after the operation is dropped into the inside of the box body, so that subsequent processing is facilitated.

[0055] Further, in another embodiment, as shown in the figure, Figure 10 The glove putting-on and taking-off device 4 further comprises a motor 44, a tooth ring 421 and a limiting guide block 45. The motor 44 is fixedly arranged in the box body two 41, and the output shaft is connected with a gear 441. The opening end of the box body two 41 adopts a panel with an opening, the sleeve ring 42 is rotatably arranged on the panel, the tooth ring 421 is sleeved outside the sleeve ring 42 and is engaged with the gear 441, and the inner wall of the side away from the opening of the box body two 41 is provided with a switch button of the motor 44. The sleeve ring 42 is radially provided with a through hole, the blocking block 43 is slidably connected with the through hole, the inner end of the blocking block 43 is located on the inner side of the sleeve ring 42, the inner end of the blocking block 43 is L-shaped, the end portion is bent towards the direction away from the opening, and the end face is wedge-shaped. The outer end of the blocking block 43 is located on the outer side of the sleeve ring 42 and is connected with the sleeve ring 42 through a spring, the limiting guide block 45 is fixedly arranged on the inner wall of the box body two 41 and can be in contact with the outer end of the blocking block 43, and the contact surface has an inclination relative to the rotation track of the sleeve ring and can push the blocking block 43 to move inward when the sleeve ring 42 rotates. In the embodiment, the blocking block 43 is two.

[0056] After the operation, the hand is inserted into the box body two 41 through the sleeve ring 42, one side of the glove is clamped into one blocking block 43, the arm is moved to stretch the glove, the other side of the glove is clamped into another blocking block 43, and then the arm is withdrawn backward, and the glove is dropped into the box body two 41 under the limitation of the two blocking blocks 43. Through the arrangement of the sleeve ring 42 and the blocking block 43, the surgical glove can be conveniently taken off, the surgical pollution is avoided, and the glove after the operation is dropped into the inside of the box body, so that subsequent processing is facilitated.

[0057] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the same. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features, and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A multifunctional protective cradle comprising a mobile cradle (1), characterized in that: It also includes the storage protection device (2) and the fixed device (3), the mobile bracket (1) is provided with the storage protection device (2) for storage protection and the fixed device (3) for being convenient to fix when using; The storage protection device (2) includes a shell (21) for placing storage, a limiting component (22) for auxiliary protection and a protection component (23) for protection support, the shell (21) is connected with the mobile bracket (1), the protection component (23) and the fixed device (3), and the protection component (23) is connected with the fixed device (3); The limiting component (22) includes a plurality of spring components and a plurality of limiting components, the spring components and the limiting components are installed inside the shell (21) and connected with the protection component (23), and the spring components and the limiting components limit and protect the protection component (23); The mobile bracket (1) includes a foot lifting frame (11) and a plurality of universal wheels (12), the foot lifting frame (11) is fixedly provided with the plurality of universal wheels (12) at the lower end, and the upper end of the foot lifting frame (11) is connected with the shell (21); The shell (21) includes a box body (211) and an upper cover (212), the box body (211) is fixedly installed at the upper end of the foot lifting frame (11), the rear end of the box body (211) is rotationally connected with the upper cover (212), the inner side of the box body (211) is connected with the spring components, the limiting components, the protection component (23) and the fixed device (3), and the upper cover (212) is connected with the protection component (23) and the fixed device (3); The box body (211) is further provided with two glove putting-on and taking-off devices (4) at the lower end, the glove putting-on and taking-off device (4) includes a box body two (41), a sleeve ring (42) and a blocking block (43), the box body two (41) is arranged at the bottom of the box body (211) and is provided with openings facing the user, the sleeve ring (42) is arranged in the box body two (41) and is located at the opening, and a plurality of blocking blocks (43) are arranged on the side, away from the opening, of the sleeve ring (42) in the circumferential direction; The glove putting-on and taking-off device (4) further includes a motor (44), a gear ring (421) and a limiting guide block (45), the motor (44) is arranged in the box body two (41) and has a gear wheel (441) connected with the output shaft, the sleeve ring (42) is rotationally arranged in the box body two (41), the gear ring (421) is arranged outside the sleeve ring (42) and is engaged with the gear wheel (441), and the inner wall of the side, away from the opening, of the box body two (41) is provided with a switch button of the motor (44); The sleeve ring (42) is provided with a through hole in the radial direction, the blocking block (43) is slidably connected with the through hole, the inner end is located inside the sleeve ring (42), the outer end is located outside the sleeve ring (42) and is connected with the sleeve ring (42) through the first spring (46), and the limiting guide block (45) is fixedly arranged on the inner wall of the box body two (41) and can be in contact with the outer end of the blocking block (43), the contact surface has an inclination relative to the rotation track of the sleeve ring (42), and the limiting guide block (45) can push the blocking block (43) to move inward when the sleeve ring (42) rotates; The inner end of the blocking block (43) is L-shaped, the end is bent towards the direction away from the opening, and the end face is wedge-shaped.

2. The multi-functional protective cradle according to claim 1, wherein The plurality of spring components are uniformly distributed inside the box body (211), and each spring component comprises a spring (221) and a spring baffle (222). The spring (221) is fixedly installed inside the box body (211), and the spring baffle (222) is fixedly installed on the upper end of the spring (221). The upper end of the spring baffle (222) is connected with the protection assembly (23). A plurality of limiting components are located at the front and rear ends inside the box body (211). Each limiting component comprises a rotating clamping block (223) and two torsion springs (224). The rotating clamping block (223) is rotatably installed inside the box body (211), and the two torsion springs (224) are respectively located at the two sides of the rotating clamping block (223). The two ends of each torsion spring (224) are fixedly connected with the rotating clamping block (223) and the box body (211), respectively. The rotating clamping block (223) is connected with the protection assembly (23).

3. The multi-functional protective cradle of claim 2, wherein, The protection assembly (23) comprises a placing disc (231), a silica gel pad (232), a plurality of dovetail silica gel strips (233), and a plurality of clamping groove plates (234). The placing disc (231) is slidably connected with the box body (211) inside the box body (211). The lower end of the placing disc (231) is in abutting connection with the spring baffle (222), and the upper end of the placing disc (231) is in abutting connection with the rotating clamping block (223). The silica gel pad (232) is placed inside the placing disc (231). A plurality of through holes for disinfection are formed in the bottom of the placing disc (231). A plurality of through holes for ventilation are uniformly formed in the silica gel pad (232). A plurality of rubber soft columns for fixing instruments are uniformly fixed on the upper end of the silica gel pad (232). The plurality of dovetail silica gel strips (233) are clamped inside the clamping groove plates (234). The plurality of clamping groove plates (234) are uniformly and fixedly installed inside the upper cover (212). The lower end of the placing disc (231) is connected with the fixing device (3).

4. The multi-functional protective cradle of claim 3, wherein The fixing device (3) comprises a supporting plate (31) and two fixing assemblies (32). The upper end of the supporting plate (31) is in abutting connection with the placing disc (231). The two fixing assemblies (32) are symmetrically installed on the left and right sides of the supporting plate (31). The fixing assembly (32) is connected with the box body (211) and the upper cover (212).

5. The multi-functional protective cradle of claim 4, wherein, The support plate (31) is a square plate, the fixing assembly (32) comprises a support ring (321), a connecting plate (322), two sliding plates (323), two mounting plates (324), a handle (325) and a clamping column (326), the two ends of the support ring (321) are rotationally connected with the support plate (31) and the connecting plate (322) respectively, the lower end of the connecting plate (322) is limitingly and slidably connected with the box body (211), the outer side of the connecting plate (322) is fixedly connected with the sliding plates (323), the sliding plates (323) pass through the box body (211) and are slidably connected with the box body (211) and the mounting plates (324), the mounting plates (324) are fixedly installed on the outer side of the box body (211), the handle (325) is fixedly installed on the outer sides of the two mounting plates (324), one end of the clamping column (326) is rotationally connected with the outer side of the upper cover (212), the other end of the clamping column (326) is clamped with the sliding plates (323) and the mounting plates (324), and the sliding plates (323) and the mounting plates (324) on the side close to the upper cover (212) are provided with through holes matched with the clamping column (326) in use.

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