CN114569338A

CN114569338A - Modular stretcher

Info

Publication number: CN114569338A
Application number: CN202210070452.1A
Authority: CN
Inventors: 张进营
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-03

Abstract

The invention provides a modular stretcher, which relates to the technical field of modular stretchers and comprises a first stretcher, a second stretcher, a third stretcher and a stabilizing device, wherein the first stretcher is clamped with the second stretcher, the second stretcher is rotatably connected with the third stretcher, a first handrail is fixedly connected to the surface of the first stretcher, stabilizing handrails are fixedly connected to two sides of the first stretcher, a second handrail is fixedly connected to one end, far away from the first stretcher, of the third stretcher, and the stabilizing device is arranged on the surface of the third stretcher. According to the invention, when a patient is placed on the modular stretcher, the first sliding block and the second sliding block are pulled in the direction away from each other, after the patient is placed on the stretcher in the current market, the stretcher can shake violently in the carrying process, and the patient shakes on the stretcher due to shaking, so that the patient is injured secondarily, and the rescue of the patient is influenced.

Description

Modular stretcher

Technical Field

The invention relates to the technical field of modular stretchers, in particular to a modular stretcher.

Background

The stretcher is arranged in an ambulance, meets the requirements of patients and is convenient for patients and wounded persons to lie. The stretcher is heavy in weight and is laborious to carry.

After the stretcher on the present market is placed the patient on the stretcher, in handling, the stretcher can acutely rock, often appears rocking to lead to the patient to rock on the stretcher for patient secondary is injured, influences the rescue to the patient, need improve this.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a modular stretcher.

In order to achieve the purpose, the invention adopts the following technical scheme: the modularized stretcher comprises a first stretcher, a second stretcher, a third stretcher and a stabilizing device, wherein the first stretcher is clamped with the second stretcher, the second stretcher is rotationally connected with the third stretcher, the surface of the first stretcher is fixedly connected with a first handrail, the two sides of the first stretcher are fixedly connected with stabilizing armrests, one end of the third stretcher far away from the first stretcher is fixedly connected with a second armrest, the stabilizing device is arranged on the surface of the third stretcher and comprises a first chute, the first chute is arranged on the surface of the third stretcher, the inner wall of the first chute is connected with a first slide block in a sliding way, the inner wall of the first slide block is rotationally connected with a first stabilizing plate, the surface of the third stretcher is provided with a second chute, the inner wall sliding connection of second spout has the second slider, the inner wall of second slider rotates and is connected with second steadying plate.

Preferably, the surface of the first stabilizing plate is fixedly connected with an insert block, and the surface of the insert block is provided with a jack.

Preferably, the slot has been seted up on the surface of second steadying plate, the first spring of inner wall fixedly connected with of slot, the one end fixedly connected with bolt of first spring, bolt and slot looks adaptation, the fixed surface of bolt is connected with the connecting block, the inner wall sliding connection of connecting block and second steadying plate, the one end fixed connection that the bolt was kept away from to the connecting block draws the piece.

Preferably, the inserting block is inserted into the inserting slot and is in sliding connection with the inner wall of the inserting block, and one end, far away from the first spring, of the inserting pin is inserted into the inserting hole and abuts against the inner wall of the inserting hole.

Preferably, an eye protection device is arranged on the surface of the third stretcher.

Preferably, the eye protection device comprises a rotation groove.

Preferably, the upper surface that the rotation groove is located the third stretcher is seted up, the inner wall rotation that rotates the groove is connected with first dwang, the fixed surface of first dwang is connected with the rolling wheel, the surface cover of rolling wheel is equipped with the eyeshield area, the one end fixedly connected with driven gear of first dwang, the inner wall rotation of third stretcher is connected with the second dwang, the fixed surface of second dwang is connected with drive gear, drive gear's surface offsets and the meshing with driven gear is connected, the one end fixedly connected with rotor plate of second dwang, the inner wall threaded connection of rotor plate has the bolt, the bolt offsets near drive gear's one end and third stretcher's surface.

Preferably, a clamping groove is formed in the surface of the third stretcher, a clamping plate is connected to the inner wall of the clamping groove in a sliding mode, the clamping plate abuts against the eye protection belt, a second spring is fixedly connected to the inner wall of the clamping groove, and the other end of the second spring abuts against the inner wall of the clamping plate.

Preferably, the surface of the first stretcher even has a storage device, the storage device comprises a storage frame, and the storage frame is fixedly connected with the surface of the first stretcher.

Preferably, accomodate the groove of accomodating on the surface of frame, the spacing groove has been seted up on the surface of accomodating the frame, accomodate the third spring that two symmetries of inner diapire fixedly connected with in groove set up, the one end fixedly connected with baffle of accomodating the groove is kept away from to the third spring, the baffle is connected with the inner wall sliding connection in spacing groove, accomodate the last fixed surface of frame and be connected with the fixed block, the apron is connected in the rotation of the surface of fixed block, apron and accomodating groove looks adaptation.

Compared with the prior art, the invention has the advantages and positive effects that,

1. in the invention, through arranging the stabilizing device, when a patient is placed on the modular stretcher, the first sliding block and the second sliding block are pulled towards the direction far away from each other, the patient is placed on the modular stretcher, the neck of the patient is placed between the first stabilizing plate and the second stabilizing plate, the first stabilizing plate and the second stabilizing plate are rotated to a proper angle, the pull block is pulled towards the direction close to the first spring, the pull block drives the bolt to extrude the first spring, the first spring is stressed and deformed to generate elasticity, the first sliding block and the second sliding block are pushed towards the direction close to each other, the insertion block is driven to be inserted into the slot, the pull block is released immediately, the first spring loses the constraint and drives the bolt to reset, the bolt is inserted into the insertion hole after being reset, the insertion block is fixed, the stability of the neck of the patient is completed, the stretcher on the market at present places the patient on the stretcher, and in the carrying process, the stretcher can acutely rock, frequently appears rocking and leads to the patient to rock on the stretcher for patient's secondary is injured, influences the rescue to the patient, and the stability of above-mentioned problem has been avoided and equipment has been improved in the application of this device.

2. In the invention, the eye protection device is arranged, the bolt is rotated to ensure that the eye protection device does not abut against the surface of a third stretcher, the eye protection belt is immediately drawn outwards, the eye protection belt drives the rolling wheel to rotate, the rolling wheel drives the driven gear to rotate through the first rotating rod, the driven gear drives the second rotating rod and the rotating plate to rotate through the transmission gear, when the eye protection belt is stretched to a proper length, the bolt is screwed, the bolt abuts against the surface of the third stretcher, the rotating plate is fixed, the clamping plate is immediately pulled towards the direction close to the second spring, the clamping plate extrudes the second spring, the second spring is stressed and deformed to generate elasticity, one end of the eye protection belt far away from the rolling wheel is inserted into the clamping plate, the clamping plate is loosened, the second spring loses constraint, the clamping plate is driven to reset, the eye protection belt is clamped after the clamping plate is reset, the eyes of survivors of the stretcher on the market are treated for a long time in the dark, and the eyes of patients are sensitive to light stimulation, if he is directly exposed to the sun. The eye is very irritated by light, which can lead to blindness, and the use of the device avoids the above-mentioned problems and increases the ease of use of the device.

3. According to the invention, through arranging the storage device, when the bandage is stored, the cover plate is rotated, the cover plate is opened, the bandage is placed in the storage groove, the bandage is abutted against the baffle plate, the baffle plate extrudes the third spring, the third spring is stressed and deformed to generate elasticity, and then the cover plate is rotated again to reset the cover plate to complete the storage of the bandage.

Drawings

Fig. 1 is a schematic perspective view of a modular stretcher according to the present invention;

fig. 2 is a schematic structural view of the stabilization device of the modular stretcher according to the invention;

fig. 3 is a schematic view of the structure of fig. 2 at a in the modular stretcher according to the present invention;

fig. 4 is a schematic perspective view of the modular stretcher according to the present invention;

fig. 5 is an exploded view of an eye protection device in a modular stretcher according to the present invention;

fig. 6 is a schematic view of the structure of fig. 5 at B in the modular stretcher according to the present invention;

fig. 7 is a schematic perspective view of a modular stretcher according to the present invention;

fig. 8 is an exploded view of the storage device in the proposed modular stretcher;

fig. 9 is a top view of the modular stretcher provided with the anti-drop device;

fig. 10 is a side view of the modular stretcher according to the invention with an anti-drop device;

fig. 11 is a schematic structural view of the anti-release device according to the present invention.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Example 1

As shown in fig. 1 to 8, the present invention provides a modular stretcher, which includes a first stretcher 1, a second stretcher 2, a third stretcher 3 and a stabilizing device 7, wherein the first stretcher 1 is connected with the second stretcher 2 in a clamping manner, the second stretcher 2 is connected with the third stretcher 3 in a rotating manner, a first handrail 4 is fixedly connected to the surface of the first stretcher 1, stabilizing handrails 6 are fixedly connected to both sides of the first stretcher 1, a second handrail 5 is fixedly connected to one end of the third stretcher 3 away from the first stretcher 1, and the stabilizing device 7 is disposed on the surface of the third stretcher 3.

The specific arrangement and function of the stabilizer 7 will be described in detail below.

As shown in fig. 1 and 3, the stabilizing device 7 includes a first sliding groove 701, the first sliding groove 701 is disposed on a surface of the third stretcher 3, a first sliding block 703 is slidably connected to an inner wall of the first sliding groove 701, a first stabilizing plate 705 is rotatably connected to an inner wall of the first sliding block 703, a second sliding groove 702 is disposed on a surface of the third stretcher 3, a second sliding block 704 is slidably connected to an inner wall of the second sliding groove 702, a second stabilizing plate 706 is rotatably connected to an inner wall of the second sliding block 704, an insertion block 707 is fixedly connected to a surface of the first stabilizing plate 705, an insertion hole 713 is disposed on a surface of the insertion block 707, an insertion groove 708 is disposed on a surface of the second stabilizing plate 706, a first spring 709 is fixedly connected to an inner wall of the insertion groove 708, a plug 710 is fixedly connected to one end of the first spring 709, the plug 710 is adapted to the insertion groove 708, and a connecting block 711 is fixedly connected to a surface of the plug 710, the connecting block 711 is slidably connected with the inner wall of the second stabilizing plate 706, one end of the connecting block 711, which is far away from the plug 710, is fixedly connected with the pulling block 712, the plug 707 is inserted into the slot 708 and is slidably connected with the inner wall thereof, and one end of the plug 710, which is far away from the first spring 709, is inserted into the insertion hole 713 and abuts against the inner wall thereof.

The whole stabilizing device 7 has the effects that when a patient is placed on the modular stretcher, the first sliding block 703 and the second sliding block 704 are pulled in the direction away from each other, the patient is placed on the modular stretcher immediately, after the neck of the patient is placed between the first stabilizing plate 705 and the second stabilizing plate 706, the first stabilizing plate 705 and the second stabilizing plate 706 are rotated to a proper angle, the pulling block 712 is pulled in the direction close to the first spring 709, the pulling block 712 drives the bolt 710 to extrude the first spring 709, the first spring 709 is stressed and deformed to generate elastic force, the first sliding block 703 and the second sliding block are pushed in the direction close to each other immediately, the inserting block 707 is driven to be inserted into the slot 708, the pulling block 712 is released immediately, the first spring 709 loses the constraint to drive the bolt 710 to reset, the bolt 710 is inserted into the insertion hole 713 after resetting, the inserting block 707 is fixed, the neck of the patient is stabilized, after the stretcher on the present market placed the patient on the stretcher, in handling, the stretcher can acutely rock, often appears rocking to lead to the patient to rock on the stretcher for patient secondary is injured, influences the rescue to the patient, and above-mentioned problem has been avoided and the stability of equipment has been improved in the application of this device.

Example 2

The specific arrangement and function of the stabilizing means 7 and the eye protection means 8 will be described in detail below.

The whole stabilizing device 7 has the effects that when a patient is placed on the modular stretcher, the first sliding block 703 and the second sliding block 704 are pulled to the direction away from each other, the patient is placed on the modular stretcher immediately, after the neck of the patient is placed between the first stabilizing plate 705 and the second stabilizing plate 706, the first stabilizing plate 705 and the second stabilizing plate 706 are rotated to a proper angle, the pull block 712 is pulled to the direction close to the first spring 709, the pull block 712 drives the bolt 710 to press the first spring 709, the first spring 709 is deformed by stress to generate elastic force, the first sliding block 703 and the second sliding block are pushed to the direction close to each other immediately, the insertion block 707 is driven to be inserted into the slot 708, the pull block 712 is released immediately, the first spring 709 loses the binding force and drives the bolt 710 to reset, the bolt 710 is inserted into the insertion hole 713 after being reset, the insertion block 707 is fixed, and the neck of the patient is stabilized, after the stretcher on the present market placed the patient on the stretcher, in handling, the stretcher can acutely rock, often appears rocking to lead to the patient to rock on the stretcher for patient secondary is injured, influences the rescue to the patient, and above-mentioned problem has been avoided and the stability of equipment has been improved in the application of this device.

As shown in fig. 4 and 6, an eye protection device 8 is disposed on the surface of the third stretcher 3, the eye protection device 8 includes a rotating groove 808, the rotating groove 808 is disposed on the upper surface of the third stretcher 3, a first rotating rod 801 is rotatably connected to the inner wall of the rotating groove 808, a winding wheel 802 is fixedly connected to the surface of the first rotating rod 801, an eye protection belt 812 is sleeved on the surface of the winding wheel 802, a driven gear 803 is fixedly connected to one end of the first rotating rod 801, a second rotating rod 804 is rotatably connected to the inner wall of the third stretcher 3, a transmission gear 805 is fixedly connected to the surface of the second rotating rod 804, the surface of the transmission gear 805 abuts against and is in meshing connection with the driven gear 803, a rotating plate 806 is fixedly connected to one end of the second rotating rod 804, a bolt 807 is threadedly connected to the inner wall of the rotating plate 806, one end of the bolt 807, which is close to the transmission gear 805, abuts against the surface of the third stretcher 3, a clamping groove 809 is formed in the surface of the third stretcher 3, a clamping plate 810 is slidably connected to the inner wall of the clamping groove 809, the clamping plate 810 abuts against an eye protection belt 812, a second spring 811 is fixedly connected to the inner wall of the clamping groove 809, and the other end of the second spring 811 abuts against the inner wall of the clamping plate 810.

The whole eye protection device 8 achieves the effects that the bolt 807 is rotated to prevent the bolt from abutting against the surface of the third stretcher 3, the eye protection belt 812 is drawn outwards immediately, the eye protection belt 812 drives the winding wheel 802 to rotate, the winding wheel 802 drives the driven gear 803 to rotate through the first rotating rod 801, the driven gear 803 drives the second rotating rod 804 and the rotating plate 806 to rotate through the transmission gear 805, when the eye protection belt 812 is stretched to a proper length, the bolt 807 is screwed, the bolt 807 abuts against the surface of the third stretcher 3 to fix the rotating plate 806, the clamping plate 810 is pulled in the direction close to the second spring 811 immediately, the clamping plate 810 extrudes the second spring 811, the second spring 811 is deformed by force to generate elasticity, one end of the eye protection belt 812 far away from the winding wheel 802 is inserted into the clamping plate 810 immediately, the clamping plate 810 is loosened, the second spring 811 is driven to reset, the clamping plate 810 is clamped after the clamping plate 810 is reset, at present, the stretcher on the market is used for treating survivors in dark for a long time, and the eyes of a patient are sensitive to light stimulation if the eyes are directly exposed to the sun. The eye is very irritated by light, which can lead to blindness, and the use of the device avoids the above-mentioned problems and increases the ease of use of the device.

Example 3

The specific arrangement and function of the stabilizing means 7, the eye protection means 8 and the receiving means 9 will be described in detail below.

As shown in fig. 4 and 6, an eye protection device 8 is disposed on the surface of the third stretcher 3, the eye protection device 8 includes a rotating groove 808, the rotating groove 808 is disposed on the upper surface of the third stretcher 3, a first rotating rod 801 is rotatably connected to the inner wall of the rotating groove 808, a winding wheel 802 is fixedly connected to the surface of the first rotating rod 801, an eye protection belt 812 is sleeved on the surface of the winding wheel 802, a driven gear 803 is fixedly connected to one end of the first rotating rod 801, a second rotating rod 804 is rotatably connected to the inner wall of the third stretcher 3, a transmission gear 805 is fixedly connected to the surface of the second rotating rod 804, the surface of the transmission gear 805 abuts against and is in meshing connection with the driven gear 803, a rotating plate 806 is fixedly connected to one end of the second rotating rod 804, a bolt 807 is threadedly connected to the inner wall of the rotating plate 806, one end of the bolt 807, which is close to the transmission gear 805, abuts against the surface of the third stretcher 3, a clamping groove 809 is formed in the surface of the third stretcher 3, a clamping plate 810 is slidably connected to the inner wall of the clamping groove 809, the clamping plate 810 abuts against the eye protection belt 812, a second spring 811 is fixedly connected to the inner wall of the clamping groove 809, and the other end of the second spring 811 abuts against the inner wall of the clamping plate 810.

As shown in fig. 7 and 8, even a receiving device 9 is disposed on a surface of the first stretcher 1, the receiving device 9 includes a receiving frame 901, the receiving frame 901 is fixedly connected to the surface of the first stretcher 1, a receiving groove 902 is disposed on the surface of the receiving frame 901, a limiting groove 903 is disposed on the surface of the receiving frame 901, two symmetrically disposed third springs 904 are fixedly connected to an inner bottom wall of the receiving groove 902, a baffle 905 is fixedly connected to one end of the third spring 904 far from the receiving groove 902, the baffle 905 is slidably connected to an inner wall of the limiting groove 903, a fixing block 906 is fixedly connected to an upper surface of the receiving frame 901, a cover 907 is rotatably connected to a surface of the fixing block 906, and the cover 907 is adapted to the receiving groove 902.

The effect that its whole storage device 9 reached does, when accomodating the bandage, apron 907 rotates, open apron 907 and put into the bandage and accomodate the groove 902 in, the bandage offsets with baffle 905, baffle 905 extrudees third spring 904, third spring 904 atress deformation produces elasticity, rotate apron 907 once more immediately and reset apron 907, accomplish accomodating of bandage, when salvation patient, patient's health surface often has the condition of bleeding, need the bandage to urgently wrap, but stretcher on the present market does not have the function of accomodating the bandage, lead to the patient probably to appear the condition of the excessive blood loss, foretell problem has been avoided in the application of this device and the practicality of equipment has been improved.

Example 4

With reference to fig. 9 to 11, the same structure is not repeated on the basis of

embodiments

1, 2 or 3, and also belongs to the protection scope of embodiment 4, and only the differences are described below.

The invention provides a modularized stretcher which comprises a first stretcher 1, a second stretcher 2, a third stretcher 3 and a stabilizing device 7, wherein the first stretcher 1 is clamped with the second stretcher 2, the second stretcher 2 is rotatably connected with the third stretcher 3, a first handrail 4 is fixedly connected to the surface of the first stretcher 1, stabilizing handrails 6 are fixedly connected to two sides of the first stretcher 1, a second handrail 5 is fixedly connected to one end, far away from the first stretcher 1, of the third stretcher 3, and the stabilizing device 7 is arranged on the surface of the third stretcher 3. The first handrail 4 and the second handrail 5 are provided with the anti-drop device 900. Specifically, the anti-release device 900 adopts the following structure: the first handrail 4 and the second handrail 5 are respectively provided with a grab handle and an electric inflator 932 on a handle bar 931 at the upper end of the grab handle, the grab handle is covered by a hand covering 933, the hand covering 933 is provided with an opening 934 for a hand to enter and exit the hand covering 933, the inner side wall of the hand covering 933 is provided with an air bag 935, an inflation port of the electric inflator 932 is connected with an air cavity of the air bag 935 through an air pipe 936, and the air cavity is inflated to press the air bag 935 to expand towards the inner side of the hand covering 933.

Preferably, the grip comprises: three finger slot handles 937 and forefinger slot handle 938, be provided with the middle finger that three flexion is used for laminating the hand on three finger slot handle 937, ring finger and little finger, forefinger slot handle 938 is provided with a flexion and is used for laminating the forefinger of hand, respectively be provided with a forefinger slot handle 938 around three finger slot handle 937, two forefinger slot handles 938 are the hand type when the rescuer that is convenient for lift the stretcher is towards the wounded and hold the grab handle, the hand type when also being convenient for the rescuer when carrying on the back to the wounded holds the grab handle, all be provided with between every forefinger slot handle 938 and the three finger slot handle 937 and aerify trigger structure 947.

Preferably, the inflation trigger structure 947 includes: first stroke piece 939, first stroke piece 939 can prolong the radial of barre 931 and move, and the longitudinal section of first stroke piece 939 is "T" type, and first reset spring 940 has been put to the cover on first stroke piece 939, and the one end of first reset spring 940 is fixed on first stroke piece 939, and the other end is fixed on first spring retainer 941, in the department of corresponding of barre 931 inner chamber and first stroke piece 939 end, be provided with electronic inflation, the point contact switch 942 that 932 connects. Force is applied to any one of the first stroke pieces 939, the first stroke piece 939 conducts the force to act on the point-contact switch 942, the point-contact switch 942 starts the electric inflator 931 to inflate the air bag 935, and after the force applied by the first stroke piece 939 is removed, the first return spring 940 returns the first stroke piece 939, and the electric inflator 932 stops inflating.

Preferably, the handle 931 is provided with an air release 943 connected to an air chamber of the air bag 935, a sealing valve core 944 capable of moving in the length direction of the handle 931 is disposed in the inner cavity of the handle 931 corresponding to the air release 943, one side of the sealing valve core 944 is provided with a second stroke member 945 extending out of the end of the handle 931, the longitudinal section of the second stroke member 945 is "T" -shaped, the other side of the sealing valve core 944 is provided with a second return spring 946, the inner cavity of the handle 931 is provided with a valve core limiting piece 948 and a second spring blocking piece 949, one end of the second return spring 946 is fixed to the second spring blocking piece 949, the other end of the second return spring 946 abuts against the sealing valve core 944, the sealing valve core 944 is provided with a spring guide cone 950, and the second spring blocking piece 949 is provided with a hole 951 matched with the spring guide cone 950.

During the use, the succour stretches into in hand cover 933 with the hand earlier, utilize and eat directional first stroke piece 939 application of force, trigger electronic pump 932 switch, electronic pump 932 inflates in gasbag 935, gasbag 935 expands and tightly presses the hand on the grab handle, the forefinger removes the application of force of first stroke piece 939, get into in the forefinger groove 938, accomplish the preparation work before lifting the stretcher, utilize gasbag 935 to press the hand on the grab handle, prevent carelessly taking off the hand when lifting the stretcher, secondary injury to the rescuer. After the transfer of the rescued person is completed, the rescued person pushes the sealing valve core 944 to move by pushing the body against the second stroke part 945, so that the air cavity of the air bag 935 is communicated with the external atmosphere through the air release opening 943, and the hands of the rescued person can be moved out of the hand covering 933 after the air pressure in the air bag 935 is reduced.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. Modular stretcher, including first stretcher (1), second stretcher (2), third stretcher (3) and stabilising arrangement (7), its characterized in that: the first stretcher (1) is connected with the second stretcher (2) in a clamping manner, the second stretcher (2) is connected with the third stretcher (3) in a rotating manner, the surface of the first stretcher (1) is fixedly connected with a first handrail (4), the two sides of the first stretcher (1) are fixedly connected with stabilizing handrails (6), one end of the third stretcher (3) far away from the first stretcher (1) is fixedly connected with a second handrail (5), the stabilizing device (7) is arranged on the surface of the third stretcher (3), the stabilizing device (7) comprises a first chute (701), the first chute (701) is arranged on the surface of the third stretcher (3) and is formed, the inner wall of the first chute (701) is connected with a first sliding block (703) in a sliding manner, the inner wall of the first sliding block (703) is connected with a first stabilizing plate (705) in a rotating manner, the second chute (702) is formed on the surface of the third stretcher (3), the inner wall of the second sliding groove (702) is connected with a second sliding block (704) in a sliding mode, and the inner wall of the second sliding block (704) is connected with a second stabilizing plate (706) in a rotating mode.

2. The modular stretcher of claim 1 characterized in that: an insert block (707) is fixedly connected to the surface of the first stabilizing plate (705).

3. The modular stretcher of claim 2 characterized in that: the surface of the insertion block (707) is provided with an insertion hole (713), and the surface of the second stabilizing plate (706) is provided with an insertion groove (708).

4. The modular stretcher of claim 3 characterized in that: the inner wall fixedly connected with of slot (708) first spring (709), the one end fixedly connected with bolt (710) of first spring (709), bolt (710) and slot (708) looks adaptation, the fixed surface of bolt (710) is connected with connecting block (711), the inner wall sliding connection of connecting block (711) and second stabilising plate (706), the one end fixed connection that bolt (710) was kept away from to connecting block (711) draws piece (712).

5. The modular stretcher of claim 4 characterized in that: the plug block (707) is inserted into the slot (708) and is connected with the inner wall in a sliding mode, and one end, far away from the first spring (709), of the plug pin (710) is inserted into the insertion hole (713) and is abutted against the inner wall of the insertion hole.

6. The modular stretcher of claim 5 characterized in that: an eye protection device (8) is arranged on the surface of the third stretcher (3).

7. The modular stretcher of claim 6 characterized in that: the eye protection device (8) comprises a rotating groove (808).

8. The modular stretcher of claim 7 characterized in that: the upper surface that rotation groove (808) are located third stretcher (3) is seted up, the inner wall rotation that rotates groove (808) is connected with first rotation pole (801), the fixed surface of first rotation pole (801) is connected with rolling wheel (802), the surperficial cover of rolling wheel (802) is equipped with eyeshield area (812).

9. The modular stretcher of claim 8 characterized in that: the one end fixedly connected with driven gear (803) of first dwang (801), the inner wall of third stretcher (3) rotates and is connected with second dwang (804), the fixed surface of second dwang (804) is connected with drive gear (805), the surface and driven gear (803) of drive gear (805) offset and the meshing is connected, the one end fixedly connected with rotor plate (806) of second dwang (804), the inner wall threaded connection of rotor plate (806) has bolt (807), the one end that bolt (807) are close to drive gear (805) offsets with the surface of third stretcher (3).

10. The modular stretcher of claim 9 characterized in that: the utility model discloses a stretcher, including third stretcher (3), draw-in groove (809) has been seted up on the surface of third stretcher (3), the inner wall sliding connection of draw-in groove (809) has cardboard (810), cardboard (810) and eyeshield area (812) offset, the inner wall fixedly connected with second spring (811) of draw-in groove (809), the other end of second spring (811) offsets with the inner wall of cardboard (810).