CN111388213A

CN111388213A - Safe transfer device for intensive care therapy

Info

Publication number: CN111388213A
Application number: CN202010243366.7A
Authority: CN
Inventors: 郭艳青; 王前进; 李华; 王丽辉; 谢航
Original assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Current assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-07-10

Abstract

The safe transfer device for intensive care therapy effectively solves the problems that the conventional intensive care transfer device has single function, the transfer device can slide when a patient is carried to cause the patient to fall off, the patient can not be protected to cause the patient to slide off from a bed in the transfer process, different instruments can not be completely fixed, and emergency medicines can not be placed everywhere in the transfer process of the patient by the aid of the safe transfer device, and comprises a base, wherein a bed plate is arranged above the base, a lifting mechanism is fixedly connected between the base and the bed plate, the upper end of the middle part of the base is rotatably connected with a liftable connecting gear, the rear side of the connecting gear is meshed with an opening and closing gear, the upper end of the opening and closing gear is fixedly connected with a transmission mechanism, the left end and the right end of the rear side of the transmission mechanism are meshed with a second gear and a first gear, the front coaxial fixedly connected with a first guard plate of the first gear, and the front, the connecting gear rotates to form a structure that the first guard plate and the second guard plate are opened and closed simultaneously.

Description

Safe transfer device for intensive care therapy

Technical Field

The invention relates to the technical field of medical auxiliary instruments, in particular to a safe transfer device for intensive care.

Background

During the treatment and rescue period of the intensive care patients, the patients may need to be transferred, for example, medical imaging examination is needed, if the patients are transferred and transported by using a common transporting device, the rescue treatment may be interrupted, and the interruption is very dangerous for the patients during the intensive care period, most critical patients need to be continuously supplied with oxygen during the transfer, a portable oxygen bottle is used for supplying oxygen during the transfer, the patients needing to be supported by a respirator need to be equipped with a transfer respirator, after the critical patients are treated in the emergency department, the critical patients need to be transferred to an examination department, an operating room or a ward for diagnosis and treatment, although the conditions of the critical patients only need to be in a range of minutes to tens of minutes, a plurality of disadvantages exist, and the necessary medicine preparation is ensured during the transfer, wherein the rescue products such as epinephrine, atropine, dexamethasone, Mannitol, etc., but can not fix first aid medicine in the transportation among the current device, lead to the medicine collision and breakage, can not ensure to carry out the treatment to the patient in the very first time, and the transportation device can take place to slide when carrying the patient, lead to the possibility that the patient drops, and place the patient on the transportation device can not protect the patient in the transportation and lead to landing from the bed, and can not carry out the problem of fixing completely with different instruments in the transportation, such device obviously does not accord with current demand.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the safe transfer device for intensive care, and the problems that the conventional intensive care transfer device is single in function, the transfer device can slide when a patient is carried, so that the patient falls, the patient cannot be protected in the transfer process, so that the patient can slide off a bed, different instruments cannot be completely fixed, emergency medicines cannot be fixed in the transfer process, the medicines collide and break, and the patient cannot be rescued at the first time are effectively solved through the design.

In order to achieve the purpose, the invention provides the following technical scheme: the invention comprises a base, wherein a bed plate is arranged above the base, a lifting mechanism is fixedly connected between the base and the bed plate, the upper end of the middle part of the base is rotatably connected with a liftable connecting gear, an opening and closing gear is meshed at the rear side of the connecting gear, a transmission mechanism is fixedly connected at the upper end of the opening and closing gear, a second gear and a first gear are meshed at the left end and the right end of the rear side of the transmission mechanism, the first gear and the second gear are rotatably connected with the left side surface and the right side surface of the rear part of the bed plate, a first guard plate is coaxially and fixedly connected in front of the first gear, a second guard plate is coaxially and fixedly connected in front of the second gear, the first guard plate and the second guard plate are hinged on the two side surfaces of the bed plate, and when the connecting;

a threaded block which can move up and down along with the rotation of the opening and closing gear is arranged below the opening and closing gear, four connecting rods are uniformly hinged to the outer edge of the threaded block, the middle part of each connecting rod is hinged to the lower end of the base, a sliding groove is connected to the outer side of each connecting rod in a sliding manner, a supporting frame is fixedly connected to the outer side of each sliding groove, the outer side of each supporting frame is connected to the lower end of the base in a sliding manner, and when the opening and closing gear rotates;

two fixed boxes of upper end right side fixedly connected with of base, two fixed box longitudinal symmetry, the inside of every fixed box all is equipped with can rotate along with the gear that opens and shuts and the pivoted rectangle dish, four bent levers of the even fixedly connected with in outer fringe of rectangle dish, and the upper end of every bent lever all articulates there is a tight piece of clamp, presss from both sides tight piece sliding connection in the upper end of fixed box, can form four tight pieces of clamp and gather scattered structure simultaneously when the gear that opens and shuts rotates.

Preferably, the lifting mechanism comprises a lifting gear, the lifting gear is rotatably connected to the upper end surface of the base, a second worm is fixedly connected above the lifting gear, a second worm wheel is meshed on the right side of the second worm, third connecting rods are fixedly connected to the front end and the rear end of the second worm wheel, a second connecting rod is hinged to the upper end of each third connecting rod, a first connecting rod is hinged to the upper end of each second connecting rod, a second large gear is fixedly connected to the outer side of the upper end of each third connecting rod, a first large gear is meshed above the second large gear, and the first large gear is fixedly connected to the outer side of the lower end of the first connecting rod;

the lower end of each third connecting rod is rotatably connected with a lower rectangular frame, the lower end of the lower rectangular frame is fixedly connected to the upper end of the base, the upper end of the first connecting rod is rotatably connected with an upper rectangular frame, and the upper end of the upper rectangular frame is fixedly connected to the lower end face of the bed plate;

four telescopic links are fixedly connected between the bed board and the base.

Preferably, the transmission mechanism comprises a telescopic transmission rod, the lower end of the telescopic transmission rod is fixedly connected to the upper end of the opening and closing gear, the upper end of the telescopic transmission rod is fixedly connected with a first worm, the right side of the first worm is meshed with a first worm wheel, the first worm wheel is rotatably connected to the lower portion of the bed body, the rear side of the first worm wheel is coaxially and fixedly connected with a fourth gear, the right side of the fourth gear is meshed with a third gear, the third gear and the fourth gear are rotatably connected to the rear side of the bed body, the rear side of the third gear is fixedly connected with a sixth gear, the rear side of the fourth gear is fixedly connected with a fifth gear, the outer edge of the sixth gear is meshed with a first toothed belt, the right side of the first toothed belt is meshed with the outer edge of the first gear, the outer edge of the fifth gear is meshed with a second toothed belt, and the left side of.

Preferably, the lower end of the opening and closing gear is coaxially and fixedly connected with a third bevel gear, the lower end of the third bevel gear is coaxially and fixedly connected with a second supporting gear, the right side of the second supporting gear is meshed with a first supporting gear, the first supporting gear and the second supporting gear are both rotatably connected to the lower end face of the base, and the lower end of the first supporting gear is fixedly connected with a large threaded rod which is in threaded connection with a threaded block.

Preferably, the right side of the third bevel gear is engaged with a fourth bevel gear, the right side of the fourth bevel gear is coaxially and fixedly connected with an intermediate gear, the fourth bevel gear is rotatably connected to the upper end surface of the base, the outer edge of the intermediate gear is engaged with a third toothed belt, the front side and the rear side of the third toothed belt are engaged with pinions, the right side of the pinion is fixedly connected with a first ratchet block, the right side of the first ratchet block is engaged with a second ratchet block, the first ratchet block and the second ratchet block are rotatably connected to the upper end surface of the base, the outer surface of the right side of the second ratchet block is fixedly connected with a second spring, the right end of the second ratchet block is fixedly connected with a first transmission rod, the right side of the first transmission rod is matched with a second transmission rod, the right side of the second transmission rod is coaxially and fixedly connected with a small clamping bevel gear, a large clamping bevel gear is engaged above the small clamping bevel gear, and the upper part of, the spring is matched below the large clamping bevel gear, and the small clamping bevel gear and the large clamping bevel gear are both rotationally connected inside the fixed box.

Preferably, the left side of the connecting gear is rotatably connected with a pedal, the lower end of the pedal is fixedly connected with a rectangular block, the outer surface of the rectangular block is slidably connected with a limiting frame, the lower end of the limiting frame is fixedly connected with the upper end surface of the base, the left side of the rectangular block is slidably connected with a slide rod, the lower end of the slide rod is hinged to the lower end of the left side of the limiting frame, a first spring is fixedly connected between the rectangular block and the limiting frame, the right side of the rectangular block is fixedly connected with an inclined guide rail, the rear side of the inclined guide rail is slidably connected with a slide block, the upper end of the right side of the slide block is fixedly connected with a second hook, a first hook is matched above the second hook;

the lower part of the connecting gear is slidably connected with a rotating rod, the rotating rod is rotatably connected to the upper end face of the base, a second bevel gear is fixedly connected to the lower end of the rotating rod, a first bevel gear is meshed in the front of the second bevel gear, a motor is fixedly connected to the front of the first bevel gear, and the lower end of the motor is fixedly connected to the upper end face of the base.

Preferably, the lower extreme front side fixedly connected with first-aid kit of bed board, the inside sliding connection of first-aid kit has the first-aid kit, the right part medial surface of first-aid kit rotates and is connected with the seventh gear, the top meshing of seventh gear has the rack, the upper end fixed connection of rack is in first-aid kit upper portion medial surface, the two-way threaded rod of left side fixedly connected with of seventh gear, the equal fixedly connected with clamping bar in both sides around the two-way threaded rod, clamping bar sliding connection is inside wall about the first-aid kit, two elastic clamping pieces of fixedly connected with in first-aid kit, two elastic clamping piece bilateral symmetry arrange, two fourth springs of first-aid kit right side fixedly connected with, the right-hand member fixed connection of fourth spring is in the inside right flank of first-aid kit, the front side lower part of first-aid kit is.

The invention has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the invention has the following advantages:

1. present safe transfer device for intensive care therapy can take place to slide at the in-process of carrying patient to cause patient to fall and take place accident, this device can support this device through the lift of screw thread piece, guarantees that the device can not take place to slide when transferring patient from the sick bed to the transfer device.

2. Thus current safe transfer device for intensive care therapy can not protect patient at the in-process of transporting and lead to patient to drop, and this device realizes carrying out effectual protection to patient at the transfer process through opening and shutting of first backplate and second backplate.

3. The current intensive care therapy is with safe transfer device can't be perfect place first aid medicine, and the first-aid kit of this device can be used for placing first aid medicine, and fixes the medicine in the transportation, relieves the clamping state rapidly when needing first aid medicine, ensures that the very first time rescues patient.

4. Present safe transfer device for intensive care therapy can't be fine fix not equidimension instrument, and the patient of difference needs the monitor instrument that uses in the transportation different, and the tight piece of clamp of this device can be along with the instrument size and spread or the motion of gathering together, and then fixes medical instrument convenient and fast.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a rear axial view of the overall structure of the present invention.

FIG. 3 is a schematic view of the transmission mechanism of the present invention

Fig. 4 is a schematic view of the fifth gear and the sixth gear of the present invention cooperating with the second toothed belt and the first toothed belt.

FIG. 5 is a schematic view of the structure of the connecting gear, the lifting gear and the opening and closing gear.

FIG. 6 is a schematic view of the upper rectangular frame and the lower rectangular frame of the present invention.

FIG. 7 is a schematic view of the structure of the first, second and third connecting rods of the present invention.

FIG. 8 is a schematic view of the structure of the pedal and the rectangular block.

Fig. 9 is a schematic view of the first hook and the second hook of the present invention.

Fig. 10 is a schematic view of the structure of the first support gear and four support frames of the present invention.

Fig. 11 is a schematic view of the connection gear and the screw block matching structure of the invention.

FIG. 12 is a schematic cross-sectional view of a mounting box of the present invention.

FIG. 13 is a schematic view of the first and second ratchet blocks of the present invention in combination.

FIG. 14 is a schematic view of the present invention coil spring in cooperation with a rectangular disk.

Fig. 15 is a schematic view of the first-aid kit and the fixture block of the present invention.

Fig. 16 is a schematic view showing the internal structure of the first-aid kit of the present invention.

Reference numbers in the figures: 1-vertical plate, 2-first guard plate, 3-first gear, 4-first toothed belt, 5-telescopic rod, 6-second toothed belt, 7-second gear, 8-support frame, 9-pedal, 10-motor, 11-first aid box, 12-knob, 13-table, 14-fixing box, 15-clamping block, 16-first worm gear, 17-first worm, 18-third gear, 19-fourth gear, 20-fifth gear, 21-sixth gear, 22-base, 23-telescopic transmission rod, 24-opening and closing gear, 25-connecting gear, 26-third bevel gear, 27-second bevel gear, 28-first bevel gear, 29-rotating rod, 30-second worm, 31-second worm gear, 32-lifting gear, 33-intermediate gear, 34-third toothed belt, 35-pinion, 36-upper rectangular frame, 37-first gearwheel, 38-second gearwheel, 39-lower rectangular frame, 40-first connecting rod, 41-second connecting rod, 42-third connecting rod, 43-upper inflection point, 44-lower inflection point, 45-rectangular block, 46-first spring, 47-sliding rod, 48-first hook, 49-inclined guide rail, 50-sliding block, 51-second hook, 52-bed plate, 53-sliding groove, 54-connecting rod, 55-threaded block, 56-large threaded rod, 57-first supporting gear, 58-second supporting gear, 59-curved rod, 60-second spring, 61-first ratchet block, 62-second ratchet block, 63-first transmission rod, 64-second transmission rod, 65-rectangular disc, 66-large clamping bevel gear, 67-coil spring, 68-small clamping bevel gear, 69-fixture block, 70-third spring, 71-elastic clamping piece, 72-fourth spring, 73-rack, 74-seventh gear, 75-bidirectional threaded rod, 76-clamping rod, 77-first-aid box, 78-second guard plate, 79-fourth bevel gear, 80-limiting frame, 81-middle inflection point and 82-upper-right inflection point.

Detailed Description

The following description of the present invention will be made in further detail with reference to the accompanying fig. 1 to 16.

The invention comprises a base 22, a bed board 52 is arranged above the base 22, a lifting mechanism is fixedly connected between the base 22 and the bed board 52, the upper end of the middle part of the base 22 is rotatably connected with a liftable connecting gear 25, the rear side of the connecting gear 25 is engaged with an opening and closing gear 24, the upper end of the opening and closing gear 24 is fixedly connected with a transmission mechanism, the left end and the right end of the rear side of the transmission mechanism are engaged with a second gear 7 and a first gear 3, the first gear 3 and the second gear 7 are both rotatably connected with the left side and the right side of the rear part of the bed board 52, a first guard plate 2 is coaxially and fixedly connected in front of the first gear 3, a second guard plate 78 is coaxially and fixedly connected in front of the second gear 7, the first guard plate 2 and the second guard plate 78 are both hinged with the two side surfaces of the bed board 52, and a structure that the first guard plate.

As shown in fig. 1, 2, 3 and 4, the height of the bed board 52 can be adjusted by the lifting mechanism, so as to adapt to different height sickbeds, thereby transferring patients from the sickbeds to the transfer device more quickly and conveniently, when the connecting gear 25 rotates, the opening and closing gear 24 is driven by the transmission mechanism, so as to realize the rotation of the first gear 3 and the second gear 7, and further drive the corresponding first guard plate 2 and the second guard plate 78 to rotate, so as to realize that the first guard plate 2 and the second guard plate 78 present a horizontal state when the patients need to be transferred, so as to facilitate the transfer, when the transfer is completed, the opening and closing gear 24 reversely rotates, at this time, the first guard plate 2 and the second guard plate 78 reversely rotate, present a vertical state, at this time, the patients are transferred, the first guard plate 2 and the second guard plate 78 can ensure that the patients are not easy to fall from the bed body, can effectively protect patients, the outer sides of the first protective plate 2 and the second protective plate 78 are provided with handles which can push the device to move.

The below of gear 24 that opens and shuts is equipped with the screw block 55 that can reciprocate along with gear 24 rotates that opens and shuts, the outer fringe of screw block 55 evenly articulates there are four connecting rods 54, and every connecting rod 54 middle part all articulates in base 22 lower extreme, and the equal sliding connection in every connecting rod 54 outside has spout 53, and every spout 53 outside fixedly connected with support frame 8, support frame 8 outside sliding connection in base 22 lower extreme can form the structure of four support frames 8 while downwardly moving when gear 24 that opens and shuts rotates.

As shown in fig. 1, fig. 2, fig. 10 and fig. 11, when the opening and closing gear 24 rotates, the thread block 55 can move vertically downward, the thread block 55 can drive the inner sides of the four connecting rods 54 to move downward, because the middle parts of the connecting rods 54 are hinged to the lower end of the base 22, the outer sides of the connecting rods 54 can move upward to make a circular motion, the cylindrical protrusions on the outer sides of the connecting rods 54 can slide in the sliding grooves 53, and further drive the four supporting frames 8 to move downward to abut against the ground, so that the device can be stably lifted, the device can be effectively prevented from moving and accidents can occur when a patient moves upward, the burden of a doctor is increased, after the device is moved, the supporting frames 8 can move upward, at the moment, the four wheels of the device can be contacted with the ground again, and the device can be moved randomly.

Two fixed boxes 14 of upper end right side fixedly connected with of base 22, two fixed boxes 14 are preceding back symmetry, and the inside of every fixed box 14 all is equipped with can rotate along with opening and shutting gear 24 and rectangle dish 65, and the even fixedly connected with four knee rods 59 of outer fringe of rectangle dish 65, and the upper end of every knee rod 59 all articulates there is one to press from both sides tight piece 15, presss from both sides tight piece 15 sliding connection in the upper end of fixed box 14, can form four and press from both sides tight piece 15 and gather scattered structure simultaneously when opening and shutting gear 24 rotates.

As shown in fig. 2, 12 and 14, when the opening and closing gear 24 rotates, the rectangular disc 65 rotates along with the rotation, and then drives the four bent rods 59 hinged to the outer edge of the rectangular disc 65 to push the corresponding clamping blocks 15 to move, because the sliding groove 53 is formed in the upper end face of the fixed box 14, the clamping blocks 15 can only move back and forth in the sliding groove 53, at this time, when the rectangular disc 65 rotates, the four clamping blocks 15 can simultaneously slide in the direction away from the center of the circle, at this time, an instrument required for transportation can be placed above the fixed box 14, and when the opening and closing gear 24 rotates reversely, the four clamping blocks 15 can move together along with the rotation, and further the instrument is fixed firmly.

The lifting mechanism comprises a lifting gear 32, the lifting gear 32 is rotatably connected to the upper end face of the base 22, a second worm 30 is fixedly connected above the lifting gear 32, a second worm wheel 31 is meshed on the right side of the second worm 30, a third connecting rod 42 is coaxially and fixedly connected to the front end and the rear end of the second worm wheel 31, a second connecting rod 41 is hinged to the upper end of the third connecting rod 42, a first connecting rod 40 is hinged to the upper end of the second connecting rod 41, a second large gear 38 is fixedly connected to the outer side of the upper end of the third connecting rod 42, a first large gear 37 is meshed above the second large gear 38, and the first large gear 37 is fixedly connected to the outer side of the lower end of the first connecting rod; the lower end of each third connecting rod 42 is rotatably connected with a lower rectangular frame 39, the lower end of the lower rectangular frame 39 is fixedly connected with the upper end of the base 22, the upper end of the first connecting rod 40 is rotatably connected with an upper rectangular frame 36, and the upper end of the upper rectangular frame 36 is fixedly connected with the lower end surface of the bed plate 52; four telescopic rods 5 are fixedly connected between the bed board 52 and the base 22.

As shown in fig. 1, 2, 5, 6 and 7, when the connecting gear 25 slides downward and engages with the lifting gear 32, the lifting gear 32 is driven to rotate, the lifting gear 32 drives the third connecting rods 42 on the front and rear sides to rotate through the second worm 30 and the second worm wheel 31, and further drives the second large gear 38 to start circular motion around the third connecting rod 42, and further drives the first large gear 37 engaged above to rotate, and further realizes rotation of the first connecting rod 40, the second connecting rod 41 can ensure that the first large gear 37 and the second large gear 38 can simultaneously rotate around the third connecting rod 42, as shown in fig. 6, the state is the longest distance between the upper rectangular frame 36 and the lower rectangular frame 39, and when the third connecting rod 42 rotates 180 degrees, the first connecting rod 40 also rotates 180 degrees, and then is the shortest distance between the upper rectangular frame 36 and the lower rectangular frame 39, and then realize the regulation of bed board 52 height to four telescopic links 5 can only vertically stretch out and draw back, can effectual restraint bed board 52 lift, and guarantee steadily.

The transmission mechanism comprises a telescopic transmission rod 23, the lower end of the telescopic transmission rod 23 is fixedly connected to the upper end of an opening and closing gear 24, the upper end of the telescopic transmission rod 23 is fixedly connected with a first worm 17, the right side of the first worm 17 is engaged with a first worm wheel 16, the first worm wheel 16 is rotatably connected to the lower part of the bed body, the rear side of the first worm wheel 16 is coaxially and fixedly connected with a fourth gear 19, the right side of the fourth gear 19 is engaged with a third gear 18, the third gear 18 and the fourth gear 19 are both rotatably connected to the rear side surface of the bed body, and the rear side of the third gear 18 is fixedly connected with a sixth gear 21, the rear side of the fourth gear 19 is fixedly connected with a fifth gear 20, the outer edge of the sixth gear 21 is meshed with a first toothed belt 4, the right side of the first toothed belt 4 is meshed with the outer edge of the first gear 3, the outer edge of the fifth gear 20 is meshed with a second toothed belt 6, and the left side of the first toothed belt 4 is meshed with the outer edge of the second gear 7.

As shown in fig. 1 and 3, when the connecting gear 25 is engaged with the lifting gear 32, the connecting gear 25 rotates the lifting gear 32, thereby realizing the rotation of the telescopic transmission rod 23, the inside of the telescopic transmission rod 23 is in spline connection, the telescopic transmission rod 23 can change along with the change of the distance between the bed board 52 and the base 22, and the transmission is not influenced, the telescopic transmission rod 23 drives the fourth gear 19 to rotate through the first worm 17 and the first worm wheel 16, the fourth gear 19 drives the meshed third gear 18 to rotate, thereby realizing that the fifth gear 20 and the sixth gear 21 rotate in opposite directions simultaneously, and further driving the second toothed belt 6 and the first toothed belt 4 to rotate in opposite directions respectively, although the lengths of the first toothed belt 4 and the second toothed belt 6 are different, since the first gear 3 and the second gear 7 are the same size, simultaneous reverse rotation of the first shield plate 2 and the second shield plate 78 can be achieved in the same time.

The coaxial rigid coupling of the lower extreme of opening and shutting gear 24 has third bevel gear 26, and the coaxial rigid coupling of the lower extreme of third bevel gear 26 has second supporting gear 58, and the right side meshing of second supporting gear 58 has first supporting gear 57, and first supporting gear 57 and second supporting gear 58 all rotate to be connected in the lower terminal surface of base 22, and the lower extreme fixedly connected with threaded rod 56 of first supporting gear 57, threaded rod 56 and threaded block 55 threaded connection.

As shown in fig. 1, fig. 3 and fig. 5, when the opening and closing gear 24 rotates, the third bevel gear 26 below is driven to rotate, the third bevel gear 26 drives the second supporting gear 58 below to rotate, and then drives the first supporting gear 57 engaged with the first supporting gear to rotate, so as to realize the rotation of the threaded rod 56, because the threaded block 55 is provided with an internal thread, the vertical lifting of the threaded block 55 can be realized when the threaded rod 56 rotates, and further the lifting of the supporting frame 8 is realized, and then the device is supported.

The right side of the third bevel gear 26 is engaged with a fourth bevel gear 79, the right side of the fourth bevel gear 79 is coaxially and fixedly connected with an intermediate gear 33, the fourth bevel gears 79 are all rotatably connected to the upper end surface of the base 22, the outer edge of the intermediate gear 33 is engaged with a third toothed belt 34, the front side and the rear side of the third toothed belt 34 are both engaged with small gears 35, the right side of the small gears 35 is fixedly connected with a first ratchet block 61, the right side of the first ratchet block 61 is engaged with a second ratchet block 62, the first ratchet block 61 and the second ratchet block 62 are both rotatably connected to the upper end surface of the base 22, the outer surface of the right side of the second ratchet block 62 is fixedly connected with a second spring 60, the right end of the second ratchet block 62 is fixedly connected with a first transmission rod 63, the right side of the first transmission rod 63 is engaged with a second transmission rod 64, the right side of the second transmission rod 64 is coaxially and fixedly connected with a small clamping bevel gear 68, a large clamping bevel, the upper part of the large clamping bevel gear 66 is fixedly connected with the lower end of the rectangular disc 65, the lower part of the large clamping bevel gear 66 is matched with a coil spring 67, and the small clamping bevel gear 68 and the large clamping bevel gear 66 are both rotatably connected inside the fixed box 14.

As shown in fig. 1, 2, 5, 12, 13 and 14, when the third bevel gear 26 rotates, the fourth bevel gear 79 on the right side is driven to rotate, and then the middle gear 33 on the right side is driven to rotate, the middle gear 33 drives the pinions 35 on both sides to rotate simultaneously through the third toothed belt 34, the pinion 35 drives the corresponding first ratchet block 61 on the right side to rotate, the shapes of the first ratchet block 61 and the second ratchet block 62 are ratchet type as shown in fig. 12, when the first ratchet block 61 rotates counterclockwise, the second ratchet block 62 can be driven to rotate, but due to the particularity of the shapes, when the first ratchet block 61 rotates along the pointer, the ratchet of the second ratchet block 62 cannot be meshed with the first ratchet block 61, so that the second ratchet block 62 cannot be driven to rotate, and the second ratchet block 62 can be slightly pushed aside, the second spring 60 can ensure that the second ratchet block 62 can be quickly reset after being pushed aside, the second ratchet block 62 is driven to rotate when the first ratchet block 61 rotates anticlockwise, two protrusions are fixedly connected to the outer edge of the first transmission rod 63 fixedly connected to the right side, a groove corresponding to the first transmission rod 63 is formed in the left end of the second transmission rod 64 matched with the first transmission rod 63, the effect that the subsequent transmission is not influenced when the first transmission rod 63 is driven to move left and right in a small amplitude by the second ratchet block 62 can be achieved, the rotation of the rectangular disc 65 is achieved through the small clamping bevel gear 68 and the large clamping bevel gear 66, then the four clamping blocks 15 move towards the direction far away from the circle center simultaneously, one end of a coil spring 67 is fixedly connected to the lower side of the large clamping bevel gear 66, the other end of the coil spring 67 is fixedly connected to the inner bottom surface of the fixed box 14, the coil spring 67 starts to shrink along with the rotation of the large clamping bevel gear 66, and when the four clamping blocks 15 move to the farthest point far away from the circle, at the moment, the coil spring 67 is also completely contracted, the first guard plate 2 and the second guard plate 78 on the upper side of the bed plate 52 are in a horizontal state, the four supporting frames 8 support the device, then a required instrument is placed at the upper end of the fixed box 14, after a patient is transferred from a sickbed to the bed body, the motor 10 rotates reversely at the moment, so that the first guard plate 2 and the second guard plate 78 gradually change to be in a vertical state, the supporting frames 8 retract, the first ratchet block 61 starts to reverse through a series of transmission, the second ratchet block 62 also starts to reverse under the action of the coil spring 67, the four clamping blocks 15 start to gather towards the circle center, after the four clamping blocks 15 fix the instrument, the force of the coil spring 67 is transferred to the clamped instrument, the second ratchet block 62 cannot rotate at the moment, but at the moment, as the first guard plate 2, the second guard plate 78 and the supporting frames 8 do not return to the initial positions, at this moment, the first ratchet block 61 can continue to rotate clockwise, the second ratchet block 62 cannot be driven to rotate at this moment, and meanwhile, the second ratchet block 62 can do reciprocating left-right movement, so that instruments with different sizes can be fixed above the two fixing boxes 14, the instruments can not be influenced mutually, the diversity of the device is increased, and the fixing mode is convenient and fast.

The left side of the connecting gear 25 is rotatably connected with a pedal 9, the lower end of the pedal 9 is fixedly connected with a rectangular block 45, the outer surface of the rectangular block 45 is slidably connected with a limiting frame 80, the lower end of the limiting frame 80 is fixedly connected with the upper end surface of the base 22, the left side of the rectangular block 45 is slidably connected with a slide rod 47, the lower end of the slide rod 47 is hinged with the lower end of the left side of the limiting frame 80, a first spring 46 is fixedly connected between the rectangular block 45 and the limiting frame 80, the right side of the rectangular block 45 is fixedly connected with an inclined guide rail 49, a slide block 50 is slidably connected with the rear side of the inclined guide rail 49, the upper end of the right side of the slide block 50 is fixedly connected with a second hook 51, a first hook 48 is matched above the second hook 51, the upper; a rotating rod 29 is connected below the connecting gear 25 in a sliding manner, the rotating rod 29 is connected to the upper end face of the base 22 in a rotating manner, a second bevel gear 27 is fixedly connected to the lower end of the rotating rod 29, a first bevel gear 28 is meshed in front of the second bevel gear 27, a motor 10 is fixedly connected in front of the first bevel gear 28, and the lower end of the motor 10 is fixedly connected to the upper end face of the base 22.

As shown in fig. 1, 3, 5, 8 and 9, the connecting gear 25 can rotate at the right end of the pedal 9 and move along with the up-and-down movement of the pedal 9, so that the connecting gear 25 can be engaged with the opening and closing gear 24 or with the lifting gear 32, a cylindrical rod penetrates through the middle part of the pedal 9 to prevent the pedal 9 from swinging, when the pedal 9 moves downwards, the rectangular block 45 in the limiting frame 80 is driven to slide downwards, a "heart-shaped" groove is formed in the front side of the rectangular block 45, a cylindrical protrusion at the upper end of the sliding rod 47 can slide back and forth in the groove, as shown in fig. 7, the lower inflection point 44 is located at the right side of the bottom of the groove, the upper inflection point 43 is located at the right side of the inflection point 81 in the middle part, during the downward movement of the rectangular block 45, because the lower inflection point 44 is located at the right side of the sliding rod 47, the upper end of the sliding rod 47 starts to slide upwards, and then the pedal 9 is not applied with downward force when the pedal 9 reaches the right side of the upper inflection point 43, at this time, the first spring 46 can jack up the rectangular block 45 upwards, because the upper inflection point 43 is located at the right side of the middle inflection point 81, at this time, the upper end of the slide rod 47 can slide to the right and downward along the groove of the middle inflection point 81, and further the rectangular block 45 is fixed at the lower part of the limit frame 80, and meanwhile, the inclined guide rail 49 at the rear side of the rectangular block 45 also slides downwards, and further the slide block 50 is driven to slide forwards, and the second hook 51 is driven to move forwards, and at the same time, the pedal 9 drives the first hook 48 to move downwards when sliding downwards, and at this time, the first hook 48 and the second hook 51 are tightly clamped, so that the connection gear 25 and the lifting gear 32 are engaged when the pedal 9 is stepped downwards for the first time, and the first hook 48 and the second hook 51 are tightly clamped to prevent the connection gear 25, when the engagement with the lifting gear 32 needs to be released, the pedal 9 only needs to be stepped downwards again, at this time, the upper end of the slide rod 47 is driven to reach the upper right inflection point 82, at this time, a downward force is not applied to the pedal 9 any more, the upper rectangular block 45 is pushed to rapidly move upwards under the action of the first spring 46, then the upper end of the slide rod 47 reaches the bottom of the heart-shaped groove along the right side wall of the heart-shaped groove, at this time, the first hook 48 and the second hook 51 get rid of the restriction, the connecting gear 25 and the opening and closing gear 24 start to be engaged, rapid and convenient gear switching can be realized, the convenience and rapidness are achieved, the motor 10 can realize the rotation of the rotating rod 29 through the first bevel gear 28 and the second bevel gear 27, the groove is formed in the outer surface of the rotating rod 29, the connecting gear 25 is provided with a groove, the transmission of power cannot be influenced when the connecting gear 25 moves, without modification, the mechanical parts are designed with emphasis here.

The lower end front side fixedly connected with first-aid kit 77 of bed board 52, the inside sliding connection of first-aid kit 77 has first-aid kit 11, the right part medial surface of first-aid kit 11 rotates and is connected with seventh gear 74, rack 73 has been meshed to the top of seventh gear 74, the upper end fixed connection of rack 73 is in first-aid kit 77 upper portion medial surface, the left side fixedly connected with two-way threaded rod 75 of seventh gear 74, the equal fixedly connected with clamping bar 76 in both sides around two-way threaded rod 75, clamping bar 76 sliding connection is in first-aid kit 11 left and right sides inside wall, fixedly connected with two elastic clamping pieces 71 in first-aid kit 11, two elastic clamping pieces 71 bilateral symmetry arrange, two fourth springs 72 of first-aid kit 11 right side fixedly connected with, the right-hand member fixed connection of fourth spring 72 is in first-aid kit 77 inside right side surface, the front side lower part of first-aid kit 77 is equipped with can gliding fixture block.

As shown in fig. 1, 15 and 16, when the first-aid kit 11 is located inside the first-aid kit 77, the two third springs 70 are in a compressed state, when a critical condition occurs during the transportation of a patient, the latch 69 is pressed downwards quickly, the latch 69 moves to the lower end of the first-aid kit 11 and no longer restrains the first-aid kit 11, the first-aid kit 11 can be ejected out of the first-aid kit 77 quickly under the action of the two fourth springs 72, the rack 73 drives the engaged seventh gear 74 to rotate during the ejection process, so as to realize the rotation of the bidirectional threaded rod 75, so as to drive the two clamping rods 76 to slide outwards simultaneously, so as to get rid of the fixation of drugs, and can be taken out quickly, meanwhile, the two elastic clamping pieces 71 can be used for fixing a syringe, so that the emergency treatment can be performed on the patient quickly under an emergency condition, after the use is finished, the first-aid kit 11 is pushed to the right side to enter the first-aid kit 77, at this moment, the fixture block 69 can be bounced again under the action of the third spring 70 to realize the restraint on the first-aid kit 11, the table plate 13 hinged to the outer side of the vertical plate 1 at the front end of the bed body can be turned over, the knob 12 is rectangular and is rotatably connected to the outer side of the vertical plate 1 and penetrates through the table plate 13, the table plate 13 is in a folded state as shown in fig. 2, when the knob 1290 degrees is rotated when needed, the restraint on the table plate 13 can be removed, and then the dispensing operation is carried out after the knob is turned over.

When the medical device is used, a medical worker moves the device to a patient needing to be transported, the bed plate 52 of the pedal 9 is stepped downwards at the moment, the rectangular block 45 in the limiting frame 80 is driven to slide downwards, the front side of the rectangular block 45 is provided with a heart-shaped groove, a cylindrical bulge at the upper end of the sliding rod 47 can slide back and forth in the groove, as shown in figure 7, the lower inflection point 44 is positioned at the right side of the bottom of the groove, the upper inflection point 43 is positioned at the right side of the middle inflection point 81, in the downward moving process of the rectangular block 45, the lower inflection point 44 is positioned at the right side of the upper end of the sliding rod 47, the upper end of the sliding rod 47 starts to slide upwards along the left side of the groove, no downward force is applied to the pedal 9 when the upper inflection point 43 is reached, at the moment, the first spring 46 pushes up the rectangular block 45, and because the upper inflection point 43 is positioned at the right side of the middle point 81, the upper end of the sliding, further fixing the rectangular block 45 at the lower part, at the same time, the inclined guide rail 49 at the rear side of the rectangular block 45 slides downwards, further driving the slide block 50 to slide forwards, driving the second hook 51 to move forwards, and simultaneously, the pedal 9 also drives the first hook 48 to move downwards when sliding downwards, so that the first hook 48 and the second hook 51 can be clamped with each other, the connecting gear 25 and the lifting gear 32 are prevented from being loosened when being meshed, the lifting mechanism can be driven to operate, further, the height of the bed board 52 is adjusted to the position same as the height of the sickbed, after the height adjustment is completed, the pedal 9 is only needed to be stepped downwards again, at this time, the upper end of the slide rod 47 is driven to reach the upper right inflection point 82, at this time, downward force is not applied to the pedal 9 any more, the rectangular block 45 above is pushed to move upwards rapidly under the action of the first spring 46, further, the slide rod 47 reaches the bottom of the groove, at the moment, the first hook 48 and the second hook 51 get rid of the restriction, the connecting gear 25 and the opening and closing gear 24 start to be meshed, meanwhile, the opening and closing gear 24 can drive the third bevel gear 26 below to rotate, the third bevel gear 26 drives the second supporting gear 58 below to rotate, and further drives the meshed first supporting gear 57 to rotate, so as to realize the rotation of the threaded rod 56, because the threaded block 55 is provided with internal threads, when the threaded rod 56 rotates, the vertical lifting of the threaded block 55 can be realized, and further the lifting of the supporting frame 8 is realized, then the device is supported, the opening and closing gear 24 can realize the rotation of the first gear 3 and the second gear 7 through the transmission of the transmission mechanism, further drives the corresponding first protective plate 2 and the second protective plate 78 to rotate, and realizes that the first protective plate 2 and the second protective plate 78 present a horizontal state when a patient needs to be transferred, thereby facilitating the transfer, meanwhile, the support frame 8 supports the device to effectively prevent the device from sliding and causing danger in the transferring process, when the opening and closing gear 24 rotates, the rectangular disc 65 rotates along with the rotation, and then the four bent rods 59 hinged to the outer edge of the rectangular disc 65 are driven to push the corresponding clamping blocks 15 to move, because the sliding groove 53 is formed in the upper end face of the fixed box 14, the clamping blocks 15 can only move back and forth in the sliding groove 53, at the moment, when the rectangular disc 65 rotates, the four clamping blocks 15 can simultaneously slide in the direction away from the circle center, at the moment, instruments required for transferring can be placed above the fixed box 14, when the opening and closing gear 24 rotates reversely, the first guard plate 2 and the second guard plate 78 gradually become vertical states, the support frame 8 retracts, meanwhile, the first ratchet block 61 starts to rotate reversely through a series of transmission, at the moment, the second ratchet block 62 starts to rotate reversely under the action of the coil spring 67, meanwhile, the four clamping blocks 15 start to gather together towards the circle center, when the four clamping blocks 15 fix the instrument, the force of the coil spring 67 is transferred to the clamped instrument, at the moment, the second ratchet block 62 cannot rotate, but at the moment, because the first guard plate 2, the second guard plate 78 and the support frame 8 do not return to the initial positions, the first ratchet block 61 continues to rotate clockwise, at the moment, the second ratchet block 62 cannot be driven to rotate, and at the same time, the second ratchet block 62 does reciprocating left-right movement, so that instruments with different sizes can be fixed above the two fixing boxes 14 without mutual influence, the diversity of the device is increased, the fixing mode is convenient and quick, then the device is pushed to be transferred to other wards, when a patient has a crisis condition in the transferring process, the fixture block 69 is quickly pressed downwards, at the moment, the fixture block 69 moves to the lower end of the first-aid box 11, no longer retrain first-aid kit 11, can make first-aid kit 11 pop out from first-aid kit 77 fast under the effect of two third springs 70, in-process rack 73 that pops out can drive the seventh gear 74 of meshing and rotate, and then realize the rotation of two-way threaded rod 75, thereby drive two clamping rod 76 and slide to the outside simultaneously, and then break away from the fixed to the medicine, can take out fast, two elastic clamping piece 71 can be used to fix the syringe simultaneously, so that can carry out the first aid to patient fast under emergency, ensure transporting patient's safety.

The invention has novel structure, ingenious conception and simple and convenient operation, and effectively solves the problems that the conventional severe transfer device has single function, the transfer device can slide when a patient is carried to cause the patient to fall off, the patient can not be protected in the transfer process to cause the patient to slide off the bed, different instruments can not be completely fixed, and emergency medicines can not be placed everywhere in the transfer process of the patient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Safe transfer device for intensive care therapy, including base (22), a serial communication port, the top of base (22) is equipped with bed board (52), fixedly connected with elevating system between base (22) and bed board (52), the middle part upper end of base (22) rotates and is connected with liftable connecting gear (25), connecting gear (25) rear side meshing has opening and shutting gear (24), the upper end fixedly connected with drive mechanism of opening and shutting gear (24), both ends meshing have second gear (7) and first gear (3) about drive mechanism's the rear side, first gear (3) and second gear (7) all rotate and connect in the rear portion left and right sides face of bed board (52), the coaxial rigid coupling in place ahead of first gear (3) has first backplate (2), the coaxial rigid coupling in place ahead of second gear (7) has second backplate (78), first backplate (2) and second backplate (78) all articulate in the both sides face of bed board (52), when the connecting gear (25) drives the opening and closing gear (24) to rotate, a structure that the first protection plate (2) and the second protection plate (78) turn over simultaneously can be formed;

a thread block (55) capable of moving up and down along with the rotation of the opening and closing gear (24) is arranged below the opening and closing gear (24), four connecting rods (54) are uniformly hinged to the outer edge of the thread block (55), the middle part of each connecting rod (54) is hinged to the lower end of the base (22), a sliding groove (53) is connected to the outer side of each connecting rod (54) in a sliding mode, a supporting frame (8) is fixedly connected to the outer side of each sliding groove (53), the outer side of each supporting frame (8) is connected to the lower end of the base (22) in a sliding mode, and when the opening and closing gear (24) rotates, a structure;

two fixed boxes (14) of upper end right side fixedly connected with of base (22), two fixed box (14) longitudinal symmetry, the inside of every fixed box (14) all is equipped with can rotate and four knee rods (59) of the even fixedly connected with in outer fringe of knee rod (65) along with the gear that opens and shuts (24), the upper end of every knee rod (59) all articulates there is one and presss from both sides tight piece (15), press from both sides tight piece (15) sliding connection in the upper end of fixed box (14), rotate when the gear that opens and shuts (24) and can form four and press from both sides tight piece (15) and gather scattered structure simultaneously.

2. The intensive care therapy safety transfer device according to claim 1, wherein the lifting mechanism comprises a lifting gear (32), the lifting gear (32) is rotatably connected to the upper end surface of the base (22), a second worm (30) is fixedly connected above the lifting gear (32), a second worm wheel (31) is meshed on the right side of the second worm (30), third connecting rods (42) are coaxially and fixedly connected to the front end and the rear end of the second worm wheel (31), a second connecting rod (41) is hinged to the upper end of the third connecting rod (42), a first connecting rod (40) is hinged to the upper end of the second connecting rod (41), a second large gear (38) is fixedly connected to the outer side of the upper end of the third connecting rod (42), a first large gear (37) is meshed above the second large gear (38), and the first large gear (37) is fixedly connected to the outer side of the lower end of the first connecting rod (40);

the lower end of each third connecting rod (42) is rotatably connected with a lower rectangular frame (39), the lower end of each lower rectangular frame (39) is fixedly connected to the upper end of the base (22), the upper end of each first connecting rod (40) is rotatably connected with an upper rectangular frame (36), and the upper end of each upper rectangular frame (36) is fixedly connected to the lower end face of the bed plate (52);

four telescopic rods (5) are fixedly connected between the bed board (52) and the base (22).

3. The intensive care therapy safety transfer device according to claim 1, wherein the transmission mechanism comprises a telescopic transmission rod (23), the lower end of the telescopic transmission rod (23) is fixedly connected to the upper end of an opening and closing gear (24), the upper end of the telescopic transmission rod (23) is fixedly connected with a first worm (17), the right side of the first worm (17) is engaged with a first worm wheel (16), the first worm wheel (16) is rotatably connected to the lower part of the bed body, the rear side of the first worm wheel (16) is coaxially and fixedly connected with a fourth gear (19), the right side of the fourth gear (19) is engaged with a third gear (18), the third gear (18) and the fourth gear (19) are both rotatably connected to the rear side surface of the bed body, the rear side of the third gear (18) is fixedly connected with a sixth gear (21), the rear side of the fourth gear (19) is fixedly connected with a fifth gear (20), the outer edge of the sixth gear (21) is engaged with a first toothed belt (4), the right side of the first toothed belt (4) is meshed with the outer edge of the first gear (3), the outer edge of the fifth gear (20) is meshed with the second toothed belt (6), and the left side of the first toothed belt (4) is meshed with the outer edge of the second gear (7).

4. The intensive care therapy safety transfer device according to claim 1, wherein a third bevel gear (26) is coaxially and fixedly connected to the lower end of the opening and closing gear (24), a second supporting gear (58) is coaxially and fixedly connected to the lower end of the third bevel gear (26), a first supporting gear (57) is meshed to the right side of the second supporting gear (58), the first supporting gear (57) and the second supporting gear (58) are both rotatably connected to the lower end surface of the base (22), a large threaded rod (56) is fixedly connected to the lower end of the first supporting gear (57), and the large threaded rod (56) is in threaded connection with the threaded block (55).

5. The intensive care unit according to claim 4, wherein the right side of the third bevel gear (26) is engaged with a fourth bevel gear (79), the right side of the fourth bevel gear (79) is coaxially and fixedly connected with an intermediate gear (33), the fourth bevel gears (79) are both rotationally connected to the upper end surface of the base (22), the outer edge of the intermediate gear (33) is engaged with a third toothed belt (34), the front side and the rear side of the third toothed belt (34) are both engaged with pinions (35), the right side of the pinion (35) is fixedly connected with a first ratchet block (61), the right side of the first ratchet block (61) is engaged with a second ratchet block (62), the first ratchet block (61) and the second ratchet block (62) are both rotationally connected to the upper end surface of the base (22), the outer surface of the right side of the second ratchet block (62) is fixedly connected with a second spring (60), and the right end of the second ratchet block (62) is fixedly connected with a first transmission rod (63), the right side cooperation of first transfer line (63) has second transfer line (64), the coaxial rigid coupling in right side of second transfer line (64) has little tight bevel gear (68) of clamp, the top meshing of little tight bevel gear (68) has big tight bevel gear (66), the top fixed connection that presss from both sides tight bevel gear (66) greatly is in the lower extreme of rectangular dish (65), the below cooperation that presss from both sides tight bevel gear (66) greatly has wind spring (67), little tight bevel gear (68) of clamp and big tight bevel gear (66) all rotate to be connected in fixed box (14) inside.

6. The intensive care therapy safety transfer device according to claim 1, wherein a pedal (9) is rotatably connected to the left side of the connecting gear (25), a rectangular block (45) is fixedly connected to the lower end of the pedal (9), a limiting frame (80) is slidably connected to the outer surface of the rectangular block (45), the lower end of the limiting frame (80) is fixedly connected to the upper end surface of the base (22), a sliding rod (47) is slidably connected to the left side of the rectangular block (45), the lower end of the sliding rod (47) is hinged to the lower end of the left side of the limiting frame (80), a first spring (46) is fixedly connected between the rectangular block (45) and the limiting frame (80), an inclined guide rail (49) is fixedly connected to the right side of the rectangular block (45), a sliding block (50) is slidably connected to the rear side of the inclined guide rail (49), a second hook (51) is fixedly connected to the upper end of the right side of the sliding block (50), and, the upper end of the first hook (48) is fixedly connected to the lower end face of the pedal (9), and the sliding block (50) is connected to the upper end face of the base (22) in a sliding manner;

the lower part sliding connection of connecting gear (25) has dwang (29), and dwang (29) rotate to be connected in base (22) up end, and the lower extreme fixedly connected with second bevel gear (27) of dwang (29), the place ahead meshing of second bevel gear (27) have first bevel gear (28), the place ahead fixedly connected with motor (10) of first bevel gear (28), the lower extreme fixed connection of motor (10) in the up end of base (22).

7. The intensive care therapy safety transfer device according to claim 1, wherein a first-aid case (77) is fixedly connected to the front side of the lower end of the bed plate (52), a first-aid box (11) is slidably connected to the interior of the first-aid case (77), a seventh gear (74) is rotatably connected to the inner side surface of the right portion of the first-aid box (11), a rack (73) is meshed above the seventh gear (74), the upper end of the rack (73) is fixedly connected to the inner side surface of the upper portion of the first-aid case (77), a bidirectional threaded rod (75) is fixedly connected to the left side of the seventh gear (74), clamping rods (76) are fixedly connected to the front side and the rear side of the bidirectional threaded rod (75), the clamping rods (76) are slidably connected to the left inner side wall and the right inner side wall of the first-aid box (11), two elastic clamping pieces (71) are fixedly connected to the interior of the first-aid box (11), the right end of the fourth spring (72) is fixedly connected to the right side surface inside the first-aid box (77), a clamping block (69) capable of sliding up and down is arranged at the lower part of the front side of the first-aid box (77), and a third spring (70) is fixedly connected between the clamping block (69) and the bottom of the first-aid box (77).