Stretcher extension platform and modularized stretcher extension platform group applied to stretcher

Abstract

The invention discloses a stretcher extension platform which comprises an extension platform support with two hanging plate frames, each hanging plate frame corresponds to a base, and the bottom of each hanging plate frame is arranged on the corresponding base through a corresponding sliding mechanism, so that the extension platform support can move forwards and backwards relative to the two bases through the two sliding mechanisms; and a position locking mechanism for locking the hanging plate frame at a set position of the corresponding base is arranged between each hanging plate frame and the corresponding base. According to the stretcher extension platform, medical equipment which is being used in the transferring process can be stably supported and fixed, and front-back position adjustment and position locking can be conducted on the extension platform supports in the stretcher extension platform according to actual requirements, so that transferring of a patient is facilitated, and medical staff can operate the medical equipment which is being used conveniently; the operation is convenient, the practicability is high, and the use is stable and reliable. The invention further discloses a modularized stretcher extension platform set applied to the stretcher, and the modularized stretcher extension platform set has the advantages of a stretcher extension platform.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly to a stretcher extension platform and a modular stretcher extension platform group applied to a stretcher. Background Art

[0002] As an important carrier for emergency medical rescue, an ambulance is equipped with a series of key medical devices inside to ensure that timely and effective treatment can be provided to patients during transportation. During the transportation process, the placement of medical devices should be determined according to the usage frequency and treatment process to make the treatment process as smooth as possible.

[0003] Currently, during emergency transportation, medical devices such as infusion pumps and syringe pumps that need to follow patients are usually placed between the patient's legs or held by medical staff. This is very inconvenient to use and is prone to the risk of falling. Summary of the Invention

[0004] The technical problems to be solved by the present invention are: to provide a stretcher extension platform that is convenient to operate and is convenient for fixing medical devices used following patients, and also to provide a modular stretcher extension platform group applied to a stretcher that gives medical staff multiple operation options.

[0005] In view of the problem that currently during transportation, medical devices such as infusion pumps and syringe pumps used for rescuing patients are usually placed between the patient's legs or held by medical staff, which is very inconvenient to use and is prone to the risk of falling, the present invention designs a stretcher extension platform with strong practicability. This stretcher extension platform can stably fix the medical devices being used during transportation and can adjust the front and rear positions of the extension platform bracket in the stretcher extension platform and lock the positions according to actual needs, so as to facilitate the transportation of patients and the operation of medical devices being used by medical staff.

[0006] The technical solution adopted by the present invention is: the stretcher extension platform includes an extension platform bracket. The extension platform bracket has two hanging plate brackets, and each hanging plate bracket corresponds to a base. The bottom of each hanging plate bracket is arranged on the corresponding base through a corresponding sliding mechanism, so that the extension platform bracket can move forward or backward relative to the two bases through the two sliding mechanisms; a position locking mechanism for locking the hanging plate bracket at a set position of the corresponding base is arranged between each hanging plate bracket and the corresponding base.

[0007] The above-mentioned extended platform bracket is composed of a top plate and two hanging plate frames connected to both sides of the top plate, forming an inverted concave structure. When the extended platform is fixed to the stretcher through the connecting piece group, at this time, the space between the two hanging plate frames allows the legs of the patient lying on the stretcher to be placed comfortably. In addition, in order to improve the overall strength of the extended platform, structures such as reinforcing ribs and reinforcing plates can be provided on the inner side walls of the hanging plate frames and between the top plate and the two hanging plate frames.

[0008] Further, for the above-mentioned stretcher extended platform, the structure of the position locking mechanism is: positioning holes are provided at set positions on the top surface of the base. The set positions can be one or more than two, depending on specific usage requirements.

[0009] The rear end of the hanging plate frame has an annular handle; A fixing member is fixedly provided on the side wall of the hanging plate frame. A horizontal channel, a corner channel, a first vertical channel, and a second vertical channel are provided in the fixing member. The horizontal channel, the corner channel, the first vertical channel, and the second vertical channel are sequentially connected to form an L-shaped channel, and a stepped surface is formed between the first vertical channel and the second vertical channel; The positioning pin shaft extends into the second vertical channel. One end of the connecting rope is fixedly connected to the top of the positioning pin shaft. The other end of the connecting rope sequentially passes through the second vertical channel, the first vertical channel, the corner channel, the horizontal channel, and the through hole on the annular handle and is fixedly connected to the pull handle; A compression spring is sleeved on the connecting rope in the second vertical channel, and both ends of the compression spring respectively press against the stepped surface and the top surface of the positioning pin shaft.

[0010] During the process of the extended platform bracket sliding back and forth relative to the base through the sliding mechanism, the medical staff always holds the annular handle and pulls the pull handle, so that the bottom of the positioning pin shaft does not contact the base. When the extended platform bracket moves to a position where the positioning pin shaft is exactly above the positioning hole, the medical staff releases the pull handle. At this time, the positioning pin shaft extends into the positioning hole located below the positioning pin shaft under the elastic force of the compression spring. At the same time, the connecting rope pulls the pull handle to be close to the inner ring side wall of the annular handle at the through hole, locking the position of the extended platform bracket.

[0011] When it is necessary to unlock the extended platform bracket, just hold the annular handle and pull the pull handle. At this time, the positioning pin shaft moves upward away from the positioning hole, and the bottom of the positioning pin shaft does not contact the base. At this time, just push the extended platform bracket, and the extended platform bracket can move forward or backward relative to the base.

[0012] Further, for the above-mentioned stretcher extended platform, a guide shaft is fixedly provided in the corner channel, and the connecting rope located in the corner channel is placed on the outer circumferential contour of the guide shaft; In this solution, the handle is preferably a T-shaped handle composed of a connecting part and a gripping part, which is convenient for medical staff to grip more reliably.

[0013] The horizontal channel is composed of a first horizontal channel and a second horizontal channel. The end of the connecting rope sequentially passes through the second vertical channel, the first vertical channel, the corner channel, the first horizontal channel, the second horizontal channel, the through hole on the annular handle and is fixedly connected to the handle. Here, the second horizontal channel and the first vertical channel are equivalent to a guiding through hole structure for guiding the movement of the connecting rope. The channel opening size of the first horizontal channel is larger than that of the second horizontal channel, so that the connecting rope will not touch the hole wall of the first horizontal channel, reducing wear.

[0014] Furthermore, for the aforementioned stretcher extension platform, the structure of the sliding mechanism is as follows: on the side wall of the corresponding base, a slide rail placed in the front-back horizontal direction is fixedly provided. On the bottom side wall of the corresponding hanging plate frame, a slider is fixedly provided. The slider is movably arranged on the slide rail. On the side wall of the base where the slide rail is located, a front stop block and a rear stop block are provided. The area of the slide rail between the front stop block and the rear stop block is the movement area of the slider.

[0015] In this solution, the positioning holes on each base are preferably designed as two: a front positioning hole and a rear positioning hole.

[0016] The slider can be a long strip-shaped slider. In this case, when the extension platform bracket moves to the position where the corresponding slider is located at the corresponding front stop block through the two sliding mechanisms, the positioning pin shaft on the corresponding hanging plate frame can extend into the front positioning hole under the elastic force of the compression spring. When the extension platform bracket moves to the position where the corresponding slider is located at the corresponding rear stop block through the two sliding mechanisms, the positioning pin shaft on the corresponding hanging plate frame can extend into the rear positioning hole under the elastic force of the compression spring.

[0017] The slider can also be composed of at least two segmented sliders, and the segmented sliders are distributed at intervals. In this case, when the extension platform bracket moves to the position where the corresponding frontmost segmented slider abuts against the corresponding front stop block through the two sliding mechanisms, the positioning pin shaft on the corresponding hanging plate frame can extend into the front positioning hole under the elastic force of the compression spring. When the extension platform bracket moves to the position where the corresponding rearmost segmented slider abuts against the corresponding rear stop block through the two sliding mechanisms, the positioning pin shaft on the corresponding hanging plate frame can extend into the rear positioning hole under the elastic force of the compression spring.

[0018] Furthermore, for the aforementioned stretcher extension platform, at least one device quick transfer bracket is installed on at least one hanging plate frame.

[0019] The structure of the quick transfer bracket of the device described in this solution includes: a bracket body, an installation groove is inwardly opened on the bottom surface of the bracket body, at least one installation hole is inwardly opened on the top surface of the bracket body, and the installation hole penetrates through the bottom of the installation groove; at least one guiding block is arranged on the top surface of the bracket body, and the guiding block has a side guiding groove; in the installation groove, an active part is arranged at each installation hole, the active part has a blocking block that can extend into the installation hole, and a blocking block position adjusting mechanism is arranged in the installation groove to make the blocking blocks on all active parts protrude out of the top surface of the bracket body simultaneously or retract into the installation holes simultaneously.

[0020] The active part is movably arranged in a hinged manner. The specific structure is: at each installation hole in the installation groove, a hinge seat is fixedly installed, the active part is hinged to the hinge seat, and when the active part swings around the corresponding hinge point, the blocking block on the active part can protrude out of the top surface of the bracket body or retract into the corresponding installation hole.

[0021] Further, for the stretcher extension platform described above, at least one guiding groove is arranged on the top surface of the bracket body.

[0022] Further, for the stretcher extension platform described above, the active part has a first swing arm and a second swing arm, and the first swing arm and the second swing arm are on both sides of the hinge point of the active part; a limiting plate is arranged on the first swing arm, and the blocking block is the end of the first swing arm; A first placement groove is inwardly opened on the bottom surface of the first swing arm, a first spring is placed in the first placement groove, the bottom plate is encapsulated at the bottom of the bracket body. When the blocking block is not affected by an external force, the first spring is in a compressed state, and the first spring in this compressed state still has a certain amount of compression allowance. Under the elastic force of the first spring, the two ends of the first spring respectively abut against the bottom of the first placement groove and the bottom plate, pressing the limiting plate against the bottom of the installation groove at the corresponding installation hole, so that the blocking block protrudes out of the top surface of the bracket body. This state is defined as the initial position of the blocking block. When a downward force is applied to the blocking block and this force can overcome the elastic force of the first spring, the blocking block can be pressed down into the installation hole, and when the downward force is released, the blocking block can return to the initial position of protruding out of the top surface of the bracket body under the elastic force of the first spring.

[0023] Further, for the stretcher extension platform described above, when in the state where the limiting plate is pressed against the bottom of the installation groove at the corresponding installation hole by the elastic force of the first spring, the part of the blocking block protruding out of the top surface of the bracket body has an inclined guiding plane.

[0024] Further, for the stretcher extension platform described above, when in the state where the limiting plate abuts against the bottom of the mounting groove corresponding to the mounting hole by the elastic force of the first spring, the part of the stopper protruding out of the top surface of the bracket body is a horizontally lying triangular prism structure, and among the two prism surfaces exposed on the triangular prism structure, one prism surface is an inclined guiding plane and the other prism surface is a vertical blocking plane.

[0025] Further, for the stretcher extension platform described above, when in the state where the limiting plate abuts against the bottom of the mounting groove corresponding to the mounting hole by the elastic force of the first spring, the bottom surface of the second swing arm is a guiding plane that slopes upward from the corresponding hinge point towards the end of the second swing arm, and a triangular space is formed between the guiding plane and the bottom plate; The structure of the stopper position adjusting mechanism is as follows: an adjusting hole is provided on the side wall of the bracket body, and the adjusting hole penetrates through the side wall of the mounting groove; an active adjusting member is arranged in the mounting groove, and the active adjusting member has a pressing plate passing through the adjusting hole and at least one push rod, the number of the push rods is the same as and corresponds one by one to the number of the active members, and the end of the push rod has an inclined plane or an arc-shaped curved surface.

[0026] When the pressing plate is pushed inward, the ends of the push rods can extend into the triangular spaces between the corresponding active members and the bottom plate, forcing each active member to swing around the corresponding hinge point against the elastic force of the corresponding first spring, so that the stoppers on each active member retract into the corresponding mounting holes.

[0027] On the contrary, when the pressing plate is pulled outward, the ends of the push rods can move towards the opening direction of the triangular spaces between the corresponding active members and the bottom plate until the inclined plane or the arc-shaped curved surface at the end of each push rod no longer contacts the guiding plane on the corresponding active member. At this time, each push rod no longer interferes with the corresponding active member, and each active member can swing around the corresponding hinge point under the elastic force of its respective first spring, so that the corresponding stopper returns to the initial position protruding out of the top surface of the bracket body again.

[0028] Further, for the stretcher extension platform described above, the mounting groove is composed of a first mounting groove and at least one second mounting groove, and each second mounting groove contains one of the active members and the corresponding hinge seat, and the second mounting groove communicates with the first mounting groove through a guiding groove; The active adjusting member is located in the first mounting groove, the adjusting hole penetrates through the side wall of the first mounting groove, and the push rods respectively pass through the corresponding guiding grooves; A second placement groove is provided on the bracket body, the second placement groove penetrates through the side wall of the first mounting groove, a second spring is placed in the second placement groove, and both ends of the second spring respectively abut against the side wall of the second placement groove and the active adjusting member, pressing the active adjusting member against the side wall of the mounting groove where the adjusting hole is located, so that the pressing plate protrudes out of the side wall of the bracket body and the push rods do not interfere with the corresponding active members.

[0029] Further, for the stretcher extension platform described above, the bracket body has a cuboid structure; the number of the mounting holes and the guide blocks is two each, and the two mounting holes and the two guide blocks are symmetrically distributed with respect to the center line of the long side of the bracket body, and the two guide blocks are located inside the two mounting holes.

[0030] This solution also designs a modular stretcher extension platform group applied to a stretcher. The modular stretcher extension platform group includes the stretcher extension platform described in this solution, and a connector group capable of being fixedly connected to the stretcher is provided on each base of the stretcher extension platform; It further includes a rotary extension platform. The rotary extension platform includes: a support rod. A rotary assembly capable of being fixedly connected to the stretcher is provided at the bottom of the support rod. The upper section of the support rod is bent inward to form a fixed section for fixing the extension plate. The fixed section and the support rod form an L-shaped support rod structure.

[0031] The beneficial effects of the present invention are as follows: ① The stretcher extension platform can stably hold the medical equipment in use during the fixed transportation process, and can adjust the front and rear positions and lock the positions of the extension platform brackets in the stretcher extension platform according to actual needs, so as to facilitate the transportation of patients and facilitate medical staff to operate the medical equipment in use, with the advantages of convenient operation, strong practicability, stable and reliable use, etc.; ② The equipment quick transfer bracket can quickly and stably lock the equipment on the equipment quick transfer bracket, or quickly and smoothly unlock and remove the equipment from the equipment quick transfer bracket, with stable connection, convenient operation, time-saving and labor-saving, and strong practicability; ③ The design of the modular stretcher extension platform group applied to the stretcher gives medical staff a variety of operation options, and they can choose one or both of the stretcher extension platform or the rotary extension platform as needed. Description of the Drawings

[0032] Figure 1 is a three-dimensional structural schematic diagram of the stretcher extension platform described in the present invention.

[0033] Figure 2 is a planar structural schematic diagram of the stretcher extension platform described in the present invention.

[0034] Figure 3 is Figure 2 a structural schematic diagram in the A-A cross-sectional view when the handle in is in the state of being pulled outwards.

[0035] Figure 4 is Figure 3 a partial enlarged view of part C in.

[0036] Figure 5 is Figure 2 a structural schematic diagram in the B-B cross-sectional view when the handle in is in the state of being pulled outwards.

[0037] Figure 6 is Figure 5 A partial enlarged view of part D in it.

[0038] Figure 7 is Figure 6 A schematic structural diagram of the state of the positioning pin when the handle is in the released state in it.

[0039] Figure 8 A schematic structural diagram of the positions of the slide rail, slider, front stop block and rear stop block on the base shown.

[0040] Figure 9 is a diagram of the usage state when the stretcher extension platform described in the present invention is installed on the stretcher for use.

[0041] Figure 10 is a three-dimensional structural schematic diagram of the equipment quick transfer bracket.

[0042] Figure 11 is Figure 10 A schematic cross-sectional structure diagram in the E-E cross-sectional direction in it.

[0043] Figure 12 is a partial structural schematic diagram of the equipment quick transfer bracket after removing the bottom plate.

[0044] Figure 13 is a diagram of the usage state when the modular stretcher extension platform group applied to the stretcher is installed on the stretcher for use.

[0045] Figure 14 is a schematic structural diagram of the modular stretcher extension platform group applied to the stretcher.

[0046] Wherein: 1. Extension platform bracket; 11. Hanging plate rack; 111. Front segmented slider; 112. Rear segmented slider; 12. Base; 121. Slide rail; 122. Front stop block; 123. Rear stop block; 124. Front positioning hole; 125. Rear positioning hole; 13. Ring handle; 14. Top plate; 2. Equipment quick transfer bracket; 20. Bottom plate installation groove; 201. Bottom plate; 21. Top surface of the bracket body; 22. Guide groove; 23. Installation hole; 24. Adjustment hole; 25. Bottom surface of the bracket body; 26. Second installation groove; 27. First installation groove; 28. Guide groove; 29. Second placement groove; 3. Fixing member; 31. Horizontal channel; 311. First horizontal channel; 312. Second horizontal channel; 32. Corner channel; 33. First vertical channel; 331. Step surface; 34. Second vertical channel; 35. Guide shaft; 36. Compression spring; 37. Positioning pin; 38. Connecting rope; 39. Handle; 391. Connecting part; 392. Gripping part; 4. Guide block; 41. Side wall guide groove; 5. Movable part; 50. Hinge seat; 51. First swing arm; 511. Stop block; 512. First placement groove; 513. Guide plane; 514. Blocking surface; 52. Second swing arm; 521. Bottom surface of the second swing arm; 522. End of the second swing arm; 53. Limit plate; 54. Triangular space; 6. Movable adjustment part; 61. Push rod; 611. Arc-shaped curved surface; 62. Pressing plate; 7. First spring; 8. Second spring; 9. Rotary expansion platform; 91. Support rod; 92. Fixed section; 93. Fixed expansion plate; 94. Rotary assembly; 10. Equipment connection base; 100. Stretcher; 200. Connector group. Detailed implementation manners

[0047] The technical solutions of the present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments.

[0048] In the following, example embodiments will be described more fully with reference to the accompanying drawings, but the example embodiments may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0049] In the case of no conflict, the various embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0050] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention may be understood according to specific situations.

[0051] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Embodiment 1

[0052] For the convenience of description, when the stretcher expansion platform is installed on the stretcher 200, the movement from the tail of the stretcher to the headrest direction of the stretcher is defined as forward movement, and the movement from the headrest direction of the stretcher to the tail of the stretcher is defined as backward movement.

[0053] Such as Figure 1As shown in the figure, the stretcher extension platform described in this embodiment includes an extension platform bracket 1. The extension platform bracket 1 has two hanging plate frames 11. Each hanging plate frame 11 corresponds to a base 12. The bottom of each hanging plate frame 11 is arranged on the corresponding base 12 through a corresponding sliding mechanism, so that the extension platform bracket 1 can move forward or backward relative to the two bases 12 through the two sliding mechanisms. A position locking mechanism for locking the hanging plate frame 11 at a set position on the corresponding base 12 is arranged between each hanging plate frame 11 and the corresponding base 12.

[0054] As Figure 1 and Figure 2 shown, the above-mentioned extension platform bracket 1 is composed of a top plate 14 and two hanging plate frames 11 connected to both sides of the top plate 14 to form an inverted concave structure. When the extension platform is fixed to the stretcher 100 through the connecting piece group 200, as Figure 9 shown, at this time, the space between the two hanging plate frames 11 can allow the legs of the patient lying on the stretcher 100 to be placed comfortably. When it is necessary to let the patient lie on the stretcher 100, the extension platform bracket 1 is moved backward relative to the two bases 12 through the two sliding mechanisms, that is, backward. At this time, space can be vacated to facilitate the patient to lie in. After the patient lies in, the extension platform bracket 1 can be moved in the reverse direction, that is, forward.

[0055] Among them, the structure of the position locking mechanism is: positioning holes are opened at set positions on the top surface of the base 12. According to the actual use situation, the extension platform bracket 1 has a forward movement to the required position and a backward movement to the required position, that is, at least two set positions are required. Therefore, there are at least two positioning holes: a front positioning hole 124 and a rear positioning hole 125, as Figure 8 shown.

[0056] As Figure 3 , Figure 4 , Figure 5 and Figure 6 shown, a fixing member 3 is fixedly arranged on the side wall of the hanging plate frame 11. A horizontal channel 31, a corner channel 32, a first vertical channel 33 and a second vertical channel 34 are arranged in the fixing member 3. The horizontal channel 31, the corner channel 32, the first vertical channel 33 and the second vertical channel 34 are sequentially connected to form an L-shaped channel, and a stepped platform 331 is formed between the first vertical channel 33 and the second vertical channel 34.

[0057] The rear end of the hanging plate rack 11 has an annular handle 13; the positioning pin shaft 37 extends into the second vertical channel 34, one end of the connecting rope 38 is fixedly connected to the top of the positioning pin shaft 37, and the other end of the connecting rope 38 sequentially passes through the second vertical channel 34, the first vertical channel 33, the corner channel 32, the horizontal channel 31, the through hole on the annular handle 13 and is fixedly connected to the handle 39; a compression spring 36 is sleeved on the connecting rope 38 in the second vertical channel 34, and both ends of the compression spring 36 respectively abut against the step surface 331 and the top surface of the positioning pin shaft 37.

[0058] A more preferred solution is that a guide shaft 35 is fixedly arranged in the corner channel 32, and the connecting rope 38 located in the corner channel 32 is placed on the outer circumferential contour of the guide shaft 35. The guide shaft 35 plays an arc guiding role when the movement trajectory of the connecting rope 38 changes from a horizontal movement trajectory to a vertical movement trajectory, and in addition, it can reduce the wear of the connecting rope 38 here.

[0059] A more preferred solution is that the handle 39 is preferably a T-shaped handle 39 composed of a connecting portion 391 and a gripping portion 392, and the T-shaped handle 39 is convenient for medical staff to grip more reliably.

[0060] A more preferred solution is that the horizontal channel 31 is composed of a first horizontal channel 311 and a second horizontal channel 312. The end of the connecting rope 38 sequentially passes through the second vertical channel 34, the first vertical channel 33, the corner channel 32, the first horizontal channel 311, the second horizontal channel 312, the through hole on the annular handle 13 and is fixedly connected to the handle 39; the channel opening size of the first horizontal channel 311 is larger than the channel opening size of the second horizontal channel 312, so that the connecting rope 38 will not touch the hole wall of the first horizontal channel 311 and reduce wear.

[0061] This embodiment is described by taking the position locking of the bracket 1 that moves forward to the set position as an example. During operation, the medical staff always holds the annular handle 13 and pulls the handle 39 to make the bottom of the positioning pin shaft 37 not contact the base 12, as Figure 6 shown, push the expansion platform bracket 1 to make the expansion platform bracket 1 slide forward relative to the base 12 through the sliding mechanism. When the expansion platform bracket 1 moves to a position where the positioning pin shaft 37 is exactly above the front positioning hole 124, the medical staff releases the handle. At this time, when the positioning pin shaft 37 extends into the front positioning hole 124 below the positioning pin shaft 37 under the elastic force of the compression spring 36, as Figure 7 shown, at the same time, the connecting rope 38 pulls the handle 39 to be closely attached to the inner ring side wall of the annular handle 13 at the through hole, locks the position of the expansion platform bracket 1, and at this time, there will be no relative movement between the expansion platform bracket 1 and the base 12.

[0062] The operating principle of locking the position of the extended platform bracket 1 that moves backward to the set position is the same as the principle and operating method of locking the position of the extended platform bracket 1 that moves forward to the set position described above, except that the direction of pushing the extended platform bracket 1 to move is different.

[0063] As Figure 8 shown, in this embodiment, the structure of the sliding mechanism is as follows: a slide rail 121 placed horizontally in the front-rear direction is fixedly arranged on the side wall of the corresponding base 12, and a slider is fixedly arranged on the bottom side wall of the corresponding hanging plate frame 11. The slider is movably arranged on the slide rail 121. A front stop block 122 and a rear stop block 123 are arranged on the side wall of the base at the position of the slide rail 121. The area where the slide rail 121 is located between the front stop block 122 and the rear stop block 123 is the movement area of the slider.

[0064] The slider can be a long strip-shaped slider. At this time, the position of the front positioning hole 124 is such that when the extended platform bracket 1 moves to the corresponding position through two sliding mechanisms and the corresponding slider is located at the corresponding front stop block 122 and is blocked by the front stop block 122 and cannot move forward any further, the positioning pin 37 on the corresponding hanging plate frame 11 is exactly above the front positioning hole 124. If the handle 39 is not subjected to an outward pulling force, the positioning pin 37 can extend into the front positioning hole 124 under the elastic force of the compression spring 36. The position of the rear positioning hole 125 is such that when the extended platform bracket 1 moves to the corresponding position through two sliding mechanisms and the corresponding slider is located at the corresponding rear stop block 123 and is blocked by the rear stop block 123 and cannot move backward any further, the positioning pin 37 on the corresponding hanging plate frame 11 is exactly above the rear positioning hole 125. If the handle 39 is not subjected to an outward pulling force, the positioning pin 37 can extend into the rear positioning hole 125 under the elastic force of the compression spring 36.

[0065] The slider can also be composed of at least two segmented sliders, and the segmented sliders are distributed at intervals. In this embodiment, an example where the slider is composed of two segmented sliders is used for illustration. The segmented slider located at the frontmost is defined as the front segmented slider 111, and the segmented slider located at the rearmost is defined as the rear segmented slider 112. At this time, the position of the front positioning hole 124 is such that when the extended platform bracket 1 moves to the corresponding position through two sliding mechanisms and the corresponding front segmented slider 111 abuts against the corresponding front stop block 122, the positioning pin 37 on the corresponding hanging plate frame 11 can extend into the front positioning hole 124 under the elastic force of the compression spring 36; the position of the rear positioning hole 125 is such that when the extended platform bracket 1 moves to the corresponding position through two sliding mechanisms and the corresponding rear segmented slider 112 abuts against the corresponding rear stop block 123, the positioning pin 37 on the corresponding hanging plate frame 11 can extend into the rear positioning hole 125 under the elastic force of the compression spring 36.

[0066] When the above stretcher extension platform is applied to the stretcher 100, brackets for fixing medical devices, such as the device connection base 10, the device quick adapter bracket 2, etc., can be installed on the two hanging plate frames 11 of the stretcher extension platform and the top plate 14 of the stretcher extension platform. The specific installation distribution positions can be determined according to the specific situation.

[0067] The stretcher extension platform described in this embodiment can stably and firmly fix the medical devices in use during the transfer process, and can adjust the front and rear positions of the extension platform bracket 1 in the stretcher extension platform and lock the positions according to actual needs, so as to facilitate the transfer of patients and facilitate medical staff to operate the medical devices in use. It has the advantages of convenient operation, strong practicability, stable and reliable use, etc. Embodiment 2

[0068] Based on Embodiment 1, this embodiment also designs a device quick adapter bracket 2. As Figure 1 shown, by using the device quick adapter bracket 2, the device can be quickly and stably locked on the device quick adapter bracket, or the device can be quickly and smoothly unlocked and removed from the device quick adapter bracket, with reliable connection, convenient operation, time-saving and labor-saving, and very strong practicability.

[0069] The device quick adapter bracket 2 described in this embodiment, as Figure 10 , Figure 11 and Figure 12 shown, includes: a bracket body. An installation groove is inwardly opened on the bottom surface 25 of the bracket body, and at least one installation hole 23 is inwardly opened on the top surface 21 of the bracket body. The installation hole 23 penetrates through the bottom of the installation groove. At each installation hole 23 in the installation groove, a movable member 5 is provided. The movable member 5 has a stopper 511 that can extend into the installation hole 23. A stopper position adjustment mechanism is provided in the installation groove to make all the stoppers 511 on the movable members 5 protrude out of the top surface 21 of the bracket body simultaneously or retract into the installation holes 23 simultaneously.

[0070] Considering the overall space layout, the movable mode and position limitation of the movable member 5 in this embodiment adopt the hinge mode. As Figure 12 shown, at each installation hole 23 in the installation groove, a hinge seat 50 is fixedly installed. The movable member 5 is hinged to the hinge seat 50 corresponding to the installation hole 23, and when the movable member 5 swings around the corresponding hinge, the stopper 511 on the movable member 5 can protrude out of the top surface 21 of the bracket body or retract into the corresponding installation hole 23.

[0071] Here, each hinge seat 50 can be a pair of hinge supports. The movable member 5 is located between the two hinge supports and is hinged by a hinge pin shaft. The hinge pin shaft can be two, which are respectively arranged on the two side walls of the movable member 5. At this time, pin holes are provided on the inner side walls of the corresponding two hinge supports; the hinge pin shaft can also be respectively arranged on the inner side walls of the two hinge supports. At this time, pin holes are provided on the two side walls of the corresponding movable member 5. The hinge pin shaft can also be one. A through pin hole is provided on the movable member 5, and the hinge pin shaft is inserted into the pin hole. Here, no specific requirements are made for the specific form of the hinge, and it can be selected according to the situation.

[0072] In this embodiment, as Figure 11 shown, the movable member 5 has a first swing arm 51 and a second swing arm 52. The first swing arm 51 and the second swing arm 52 are located on both sides of the hinge of the movable member 5; a limit plate 53 is provided on the first swing arm 51, and the stopper 511 is the end of the first swing arm 51.

[0073] A first placement groove 512 is inwardly opened on the bottom surface of the first swing arm 51. A first spring 7 is placed in the first placement groove 512. The bottom plate 201 is encapsulated at the bottom of the bracket body. At this time, the first spring 7 has a certain pre-tightening force. Under the elastic force of the first spring 7, both ends of the first spring 7 respectively abut against the bottom of the first placement groove 512 and the bottom plate 201, and the limit plate 53 is abutted against the bottom of the installation groove at the corresponding installation hole 23, so that the stopper 511 protrudes beyond the top surface 21 of the bracket body.

[0074] The bottom plate 201 can be directly fixed to the bottom surface 25 of the bracket body by screws. Of course, a bottom plate installation groove 20 can also be opened on the bottom surface 25 of the bracket body, as Figure 11 shown. After the bottom plate 201 is embedded in the bottom plate installation groove 20, it is fixed by screws. At this time, the bottom surface of the bottom plate 201 is basically in the same plane as the bottom surface 25 of the bracket body.

[0075] The equipment quick transfer bracket 2 can be fastened to the required carrier by means of bolts and screws, such as on multiple carriers such as a stretcher extension platform and a mounting hanger of an ambulance.

[0076] When the limit plate 53 is abutted against the bottom of the installation groove at the corresponding installation hole 23 under the elastic force of the first spring 7, at this time, the part of the stopper 511 protruding beyond the top surface 21 of the bracket body has an inclined guiding plane 513. A more preferable solution is that when in this state, the part of the stopper 511 protruding beyond the top surface 21 of the bracket body is a horizontal triangular prism structure, and among the two prism surfaces exposed outside of the triangular prism structure, one prism surface is the inclined guiding plane 513, and the other prism surface is the vertical blocking surface 514.

[0077] At least one guiding block 4 is arranged on the top surface 21 of the bracket body, and the guiding block 4 is provided with a side guiding groove 41.

[0078] When there is only one mounting hole 23 and one guiding block 4 on the device quick transfer bracket, there are two side wall guiding grooves 41 on the guiding block 4, which are distributed on both sides of the guiding block 4. At this time, for the device to be installed, taking an injection pump as an example, a protruding retaining bar and a mounting block can be arranged at the bottom of the injection pump. The retaining bar and the mounting block can be an integral structure, or they can be separate and independent. There are two strip-shaped sliding blocks on the mounting block that can respectively extend into the side wall guiding grooves 41. The injection pump is pushed from one side of the bracket body to the top surface 21 of the bracket body through the cooperation of the strip-shaped sliding blocks and the side wall guiding grooves 41. Define this pushing direction as the forward direction. After the injection pump is pushed until the retaining bar contacts the guiding plane 513, as the injection pump continues to be pushed forward, the retaining bar moves relative to the guiding plane 513, applying a downward force to the retaining block 511, forcing the retaining block 511 to retract downward into the corresponding mounting hole 23. When the retaining bar passes over the guiding plane 513, the guiding plane 513 is no longer pressed by the retaining bar, so the retaining block 51 will protrude upward out of the mounting hole 23 again under the elastic force of the first spring 7 and block at the retaining bar. At this time, the injection pump cannot move backward, thus achieving the purpose of quickly and stably locking the device on the device quick transfer bracket 2. After fixation, the device will not shake or become loose, and the fixation is very firm.

[0079] In this embodiment, at least one guiding groove 22 can also be arranged on the top surface 21 of the bracket body, and a guiding strip matching with the guiding groove 22 is added to the device to be installed. Through the cooperation of the guiding strip and the guiding groove 22, the device can be quickly positioned and the position can be accurately found.

[0080] The optimal solution is to design the bracket body as a cuboid structure. The number of the mounting holes 23, the guiding grooves 22, and the guiding blocks 4 is two, and the two mounting holes 23, the two guiding grooves 22, and the two guiding blocks 4 are symmetrically distributed with respect to the center line of the long side of the bracket body. The two guiding grooves 22 are located inside the two mounting holes 23, and the two guiding blocks 4 are located inside the two guiding grooves 22. There is one side wall guiding groove 41 on the guiding block 4, and the side wall guiding grooves 41 on the two guiding blocks 4 can be arranged oppositely or in opposite directions. The working principle is the same as that of the above case with only one mounting hole 23 and one guiding block 4, and will not be elaborated here. Embodiment Three

[0081] This embodiment designs the retaining block position adjusting mechanism on the basis of Embodiment Two.

[0082] Such as Figure 11As shown, when the limiting plate 53 abuts against the bottom of the mounting groove at the corresponding mounting hole 23 under the elastic force of the first spring 7, at this time, the bottom surface 521 of the second swing arm forms a guiding plane that slopes upward from the corresponding hinge to the end 522 of the second swing arm, and a triangular space 54 is formed between the guiding plane and the bottom plate 201.

[0083] As Figure 11 and Figure 12 shown, the structure of the stopper position adjusting mechanism in this embodiment is as follows: an adjusting hole 24 is provided on the side wall of the bracket body, and the adjusting hole 24 penetrates the side wall of the mounting groove; an active adjusting member 6 is arranged in the mounting groove, and the active adjusting member 6 has a pressing plate 62 penetrating through the adjusting hole 24 and at least one push rod 61. The number of the push rods 61 is the same as the number of the active members 5 and they are in one-to-one correspondence in position. The end of the push rod 61 has an inclined plane or an arc-shaped curved surface 611.

[0084] The working principle of the above-mentioned stopper position adjusting mechanism is as follows: When the pressing plate 62 is pushed inward, the ends of the push rods 61 can extend into the triangular space 54 between the corresponding active member 6 and the bottom plate 201. After the inclined plane or the arc-shaped curved surface 611 at the end of the push rod 61 contacts the guiding plane, when continuing to push, each push rod 61 will force the corresponding second swing arm 52 to swing upward around the corresponding hinge. At this time, the corresponding first swing arm 51 will swing downward around the corresponding hinge against the elastic force of the first spring 7, so that the stoppers 511 on each active member 5 are synchronously retracted into the mounting hole 23.

[0085] On the contrary, when the pressing plate 62 is pulled back outward, each push rod 61 gradually moves toward the opening direction of the corresponding triangular space 54 until the inclined plane or the arc-shaped curved surface 611 at the end of the push rod 61 no longer contacts the guiding plane. At this time, each push rod 61 no longer interferes with the corresponding active member 5, and each active member 5 swings upward around the corresponding hinge under the elastic force of its respective first spring 7, so that the corresponding stopper 511 returns to the position protruding from the top surface 21 of the bracket body again.

[0086] In order to guide the moving direction of the active adjusting member 6, in this embodiment, the mounting groove is designed as a structure composed of a first mounting groove 27 and at least one second mounting groove 26. Each second mounting groove 26 contains one of the active members 5 and the corresponding hinge seat 50, and the second mounting groove 26 is communicated with the first mounting groove 27 through a guiding groove 28.

[0087] The active adjusting member 6 is located in the first mounting groove 27, the adjusting hole 24 penetrates the side wall of the first mounting groove 27, and the push rods 61 respectively penetrate through the corresponding guiding grooves 28. At this time, each guiding groove 28 plays a role in guiding the corresponding push rod 62.

[0088] In this embodiment, a reset mechanism can also be provided to enable the pressing plate 62 pressed inward to automatically return outside the side wall of the protruding support body after the pressing force is released. For example, Figure 12 As shown, the structure of the reset mechanism in this embodiment is as follows: A second placement groove 29 is formed in the support body, and the second placement groove 29 penetrates the side wall of the first installation groove 27. A second spring 8 is placed in the second placement groove 29, and the second spring 8 has a certain pre-tightening force. When the pressing plate 62 does not bear the pressing force, both ends of the second spring 8 respectively abut against the side wall of the second placement groove 29 and the movable adjustment member 6, and the movable adjustment member 6 is abutted against the side wall of the installation groove 27 on the side where the adjustment hole 24 is located, so that the pressing plate 62 protrudes outside the side wall of the support body. At this time, each push rod 62 does not interfere with the corresponding movable member 5, and the corresponding stoppers 511 on each movable member 5 are located at positions protruding outside the top surface 21 of the support body. When a pressing force that can overcome the second spring 8 is applied to the pressing plate 62, each push rod 61 will force the corresponding second swing arm 52 to swing upward around the corresponding hinge point. At this time, the corresponding first swing arm 51 will overcome the elastic force of the first spring 8 and swing downward around the corresponding hinge point, so that the stopper 511 on the movable member 5 is synchronously retracted into the installation hole 23, and at this time, the device can be quickly and smoothly unlocked and removed from the device quick transfer bracket. Embodiment 4

[0089] For example, Figure 13 and Figure 14 As shown, the modular stretcher extension platform group applied to a stretcher includes a stretcher extension platform, and a connecting member group 200 capable of being fixedly connected to the stretcher 100 is provided on each base 12 of the stretcher extension platform; wherein, the stretcher extension platform is any one of the structures in Embodiment 1, Embodiment 2, and Embodiment 3.

[0090] The modular stretcher extension platform group applied to a stretcher further includes a rotary extension platform 9. The rotary extension platform 9 includes: a support rod 91, a rotary assembly 94 capable of being fixedly connected to the stretcher 100 is provided at the bottom of the support rod 91, and a fixed section 92 for fixing the extension plate 93 is formed by bending the upper section of the support rod inward. The fixed section 92 and the support rod 91 form an L-shaped support rod structure.

[0091] The rotary assembly 94 can be a rotary joint or other components that can rotate the support rod 91. When the rotary extension platform 9 needs to be used, the support rod 91 is rotated to the required position. Device connection bases 10, device quick transfer brackets 2, etc. for installing medical devices can be installed on the fixed extension plate 93. When the rotary extension platform 9 does not need to be used, the support rod 91 is rotated to the lying flat position. At this time, the presence of the rotary extension platform 9 will not affect the patient or the medical staff.

[0092] The design of the modular stretcher extension platform group applied to the stretcher provides medical staff with a variety of operation options, and they can choose one or both of the stretcher extension platform or the rotary extension platform 9 as needed.

[0093] The above are only the preferred embodiments of the present invention, and do not limit the present invention in any other form. Any modification or equivalent change made according to the technical essence of the present invention still belongs to the scope protected by the present invention.

Claims

1. Stretcher extension platform, including: The extended platform bracket is characterized in that: the extended platform bracket has two hanging plate racks, each hanging plate rack corresponds to a base, and the bottom of each hanging plate rack is set on the corresponding base through a corresponding sliding mechanism, so that the extended platform bracket can move forward or backward relative to the two bases through the two sliding mechanisms; a position locking mechanism is set between each hanging plate rack and the corresponding base to lock the hanging plate rack at the set position of the corresponding base.

2. The stretcher extension platform according to claim 1, characterized in that: The structure of the position locking mechanism is as follows: a positioning hole is provided at a set position on the top surface of the base; and a ring handle is provided at the rear end of the hanging plate rack; A fixing member is fixedly arranged on the side wall of the hanging plate rack, and a horizontal channel, a corner channel, a first vertical channel and a second vertical channel are arranged in the fixing member. The horizontal channel, the corner channel, the first vertical channel and the second vertical channel are sequentially connected to form an L-shaped channel, and a step surface is formed between the first vertical channel and the second vertical channel; The positioning pin extends into the second vertical channel, one end of the connecting rope is fixedly connected to the top of the positioning pin, and the other end of the connecting rope passes through the second vertical channel, the first vertical channel, the corner channel, the horizontal channel, and the through hole on the annular handle in sequence and is fixedly connected to the handle; a compression spring is sleeved on the connecting rope in the second vertical channel, and the two ends of the compression spring are respectively pressed against the step surface and the top surface of the positioning pin; when the positioning pin extends into the positioning hole located below the positioning pin under the elastic force of the compression spring, the connecting rope pulls the handle to the inner ring side wall of the annular handle that is close to the through hole.

3. The stretcher extension platform according to claim 2, characterized in that: A guide shaft is fixedly arranged in the corner channel, and the connecting rope in the corner channel is placed on the outer circumferential contour of the guide shaft; The handle is a T-shaped structure consisting of a connecting portion and a gripping portion; The horizontal channel is composed of a first horizontal channel and a second horizontal channel. The end of the connecting rope passes through the second vertical channel, the first vertical channel, the corner channel, the first horizontal channel, the second horizontal channel, and the through hole on the annular handle in sequence and is fixedly connected to the handle; the channel opening size of the first horizontal channel is larger than the channel opening size of the second horizontal channel.

4. The stretcher extension platform according to claim 2 or 3, characterized in that: The structure of the sliding mechanism is as follows: a slide rail placed in a front-to-back horizontal direction is fixedly arranged on the side wall of the corresponding base, a slider is fixedly arranged on the bottom side wall of the corresponding hanging plate rack, the slider is movably arranged on the slide rail, a front stopper and a rear stopper are arranged on the side wall of the base located at the slide rail, and the area where the slide rail is located between the front stopper and the rear stopper is the slider movement area; There are two positioning holes on each base: a front positioning hole and a rear positioning hole; the front positioning hole is located so that when the expansion platform bracket is moved by two sliding mechanisms to the corresponding slider being located at the corresponding front stopper, the positioning pin shaft on the corresponding hanging plate rack can extend into the front positioning hole under the elastic force of the compression spring; the rear positioning hole is located so that when the expansion platform bracket is moved by two sliding mechanisms to the corresponding slider being located at the corresponding rear stopper, the positioning pin shaft on the corresponding hanging plate rack can extend into the rear positioning hole under the elastic force of the compression spring.

5. The stretcher extension platform according to claim 1, characterized in that: At least one equipment quick-change bracket is installed on at least one hanging plate rack; the structure of the equipment quick-change bracket includes: a bracket body, a mounting groove is opened inwardly on the bottom surface of the bracket body, and at least one mounting hole is opened inwardly on the top surface of the bracket body, and the mounting hole passes through the bottom of the mounting groove; At least one guide block is arranged on the top surface of the bracket body, and the guide block has a side guide groove; A hinge seat is fixedly installed at each mounting hole in the mounting groove, a movable part is hinged on the hinge seat, and the movable part has a stopper that can extend into the mounting hole; A stopper position adjustment mechanism is arranged in the installation slot to make all movable parts swing around corresponding hinges so that the stoppers on all movable parts protrude out of the top surface of the bracket body or retract into the corresponding installation holes at the same time.

6. The stretcher extension platform according to claim 5, characterized in that: At least one guide groove is arranged on the top surface of the bracket body.

7. The stretcher extension platform according to claim 5 or 6, characterized in that: The movable part has a first swing arm and a second swing arm, and the first swing arm and the second swing arm are located on both sides of the hinge of the movable part; the first swing arm is provided with a limit plate, and the stopper is the end of the first swing arm; A first mounting groove is opened inwardly on the bottom surface of the first swing arm, a first spring is placed in the first mounting groove, the bottom plate is encapsulated at the bottom of the bracket body, and the two ends of the first spring are respectively against the bottom of the first mounting groove and the bottom plate, and the limit plate is pressed against the bottom of the mounting groove at the corresponding mounting hole, so that the stopper protrudes outside the top surface of the bracket body.

8. The stretcher extension platform according to claim 7, characterized in that: When the limit plate is in a state where the elastic force of the first spring causes the limit plate to abut against the bottom of the mounting groove at the corresponding mounting hole, the bottom surface of the second swing arm forms an upwardly inclined guide plane from the corresponding hinged portion toward the end of the second swing arm, and a triangular space is formed between the guide plane and the bottom plate; The structure of the block position adjustment mechanism is as follows: an adjustment hole is opened on the side wall of the bracket body, and the adjustment hole passes through the side wall of the mounting groove; a movable adjustment member is arranged in the mounting groove, and the movable adjustment member has a pressing plate passing through the adjustment hole and at least one push rod, the number of the push rods is consistent with the number of movable members and corresponds one to one, and the end of the push rod has an inclined inclined plane or an arc-shaped curved surface; when the pressing plate is pushed inward, the end of each push rod can extend into the triangular space between the corresponding movable member and the bottom plate, forcing each movable member to overcome the elastic force of the corresponding first spring and swing around the corresponding hinge, so that the blocks on each movable member are retracted into the corresponding mounting hole at the same time.

9. The stretcher extension platform according to claim 8, characterized in that: The installation groove is composed of a first installation groove and at least one second installation groove, each second installation groove is provided with a movable member and a corresponding hinge seat, and the second installation groove is connected with the first installation groove through a guide groove; The movable adjustment member is located in the first installation slot, the adjustment hole passes through the side wall of the first installation slot, and each push rod passes through the corresponding guide slot respectively; A second mounting groove is provided on the bracket body, and the second mounting groove passes through the side wall of the first mounting groove. A second spring is placed in the second mounting groove, and two ends of the second spring are respectively pressed against the side wall of the second mounting groove and the movable adjusting member. The movable adjusting member is pressed against the side wall of the mounting groove on the side where the adjusting hole is located, so that the pressing plate protrudes out of the side wall of the bracket body and each push rod does not interfere with the corresponding movable member.

10. A modular stretcher extension platform set applied to a stretcher, characterized in that: A stretcher extension platform comprising any one of claims 1 to 9, wherein each base of the stretcher extension platform is provided with a connecting member group that can be fixedly connected to the stretcher; It also includes a rotating expansion platform, which includes: a support rod, a rotating component that can be fixedly connected to the stretcher is arranged at the bottom of the support rod, and the upper section of the support rod is bent inward to form a fixed section for fixing the expansion plate, and the fixed section and the support rod form an L-shaped support rod structure.

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