Portable cardio-pulmonary resuscitation machine

Abstract

A portable cardio-pulmonary resuscitation machine comprises a shell, a pressing device and a fastening device, the shell is provided with an outer shell, a supporting frame and a push rod support, the outer shell is connected to the supporting frame, and the push rod support is arranged in the outer shell and connected to the supporting frame; the pressing device is connected to the supporting frame and comprises a driving device and an extending device, the driving device is provided with a driving motor, a battery assembly and a heat dissipation device, the driving motor is arranged on one side of the push rod support, the battery assembly is detachably connected to the other side of the push rod support relative to the driving motor to supply power to the whole machine, and the heat dissipation device is arranged on the lower side of the driving motor for heat dissipation. The extension device is connected into the push rod support and rotationally connected to the drive motor. The fastening device is detachably connected to the supporting frame and enables the whole machine to be fastened to the human body, and the driving motor drives the stretching device to stretch out and draw back to press the human body. According to the scheme, the structural design that the pressing device tightens the fixing device is adopted, and the effects that the whole machine is convenient to carry and install and suitable for multi-scene rapid rescue are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cardiopulmonary resuscitation machines, and in particular relates to a portable cardiopulmonary resuscitation machine. Background Art

[0002] At present, cardiopulmonary resuscitation mainly relies on manual compression or cardiopulmonary resuscitation equipment. Manual compression is labor-intensive but unstable. Cardiopulmonary resuscitation equipment is a medical device used urgently in cardiac arrest situations. It can maintain blood supply to key organs such as the brain by simulating the heart's pumping function and assisting breathing, thereby preventing tissue hypoxia. However, cardiopulmonary resuscitation equipment in the existing technology has the problems of being large in size, not easy to install and carry, and not suitable for rapid rescue in multiple scenarios. Therefore, the utility model proposes a new solution to the above technical problems. Utility Model Content

[0003] The purpose of the utility model is to provide a portable cardiopulmonary resuscitation machine, which adopts the structural design of a pressing device and a fastening device, so as to achieve the effects of continuous and stable cardiopulmonary resuscitation compression, adjustable pressing force, easy portability and installation of the cardiopulmonary resuscitation machine, and applicability to rapid rescue in multiple scenarios.

[0004] Based on this, the utility model provides a portable cardiopulmonary resuscitation machine, comprising:

[0005] The housing comprises an outer shell, a support frame, and a push rod support, wherein the outer shell is connected to the support frame, and the push rod support is arranged in the outer shell and connected to the support frame;

[0006] A pressing device, wherein the pressing device is connected to the support frame, the pressing device includes a driving device and an extending device, the driving device is provided with a driving motor, a battery assembly, and a heat dissipation device, the driving motor is provided on one side of the push rod bracket, the battery assembly is detachably connected to the other side of the push rod bracket relative to the driving motor to power the entire machine, the heat dissipation device is provided on the lower side of the driving motor for heat dissipation, the extending device is connected in the push rod bracket, and the extending device is rotatably connected to the driving motor;

[0007] The fastening device is detachably connected to the support frame, and the cardiopulmonary resuscitation machine can be fastened to the human body through the fastening device. The driving motor drives the extension device to extend and retract to press the human body.

[0008] As described above, in a portable cardiopulmonary resuscitation machine, the extension device includes a contact structure and an extension structure, the contact structure is connected to the end of the extension structure, the extension structure is connected to the push rod bracket and fixedly connected to the support frame, and the extension structure is rotatably connected to the drive motor to move up and down.

[0009] As described above, the portable cardiopulmonary resuscitation machine, the extension structure is provided with a push rod, a rotating tooth, a guide block, a guide shaft, and a lower anti-collision component, the push rod is connected to the support frame and connected to the contact structure, the rotating tooth is fixedly connected to the push rod and is rotationally connected to the drive motor, the guide block is slidably connected to the push rod, and the guide block is slidably connected to the guide shaft; one end of the lower anti-collision component is fixedly connected to the guide shaft, and the other end abuts against the support frame to limit the guide block.

[0010] As described above, the portable cardiopulmonary resuscitation machine has a push rod with a threaded portion, an upper connecting end, and a lower connecting end. The rotating teeth are threadedly transmitted to the push rod through the threaded portion. The upper connecting end is connected to the guide block to drive the guide block to move up and down. The lower connecting end is connected to the contact structure to drive the contact structure to move up and down.

[0011] As described above, in a portable cardiopulmonary resuscitation machine, the rotating tooth is provided with a rotating tooth body and a push rod connecting component, the rotating tooth body is fixedly connected to the push rod connecting component, the push rod connecting component is threadedly transmitted with the push rod through the threaded portion, and the rotating tooth body is rotationally connected to the drive motor to drive the push rod to move up and down.

[0012] As described above, in a portable cardiopulmonary resuscitation machine, the guide block is provided with a push rod mounting position and a guide shaft mounting position, the upper connecting end of the push rod is fixedly connected to the push rod mounting position, and the guide block is slidably connected to the guide shaft mounting position via the guide shaft and slides up and down.

[0013] As described above, in a portable cardiopulmonary resuscitation machine, the guide shaft mounting position is provided with a guide slide and a slide mounting hole, the slide mounting holes are diagonally arranged on both sides of the guide block, the guide slide is fixedly connected to the slide mounting hole, and the guide shaft is slidably connected in the guide slide.

[0014] In the portable cardiopulmonary resuscitation machine as described above, the contact structure is provided with a pressing block and a pressing pad, the pressing block is fixedly connected to the pressing pad, and the lower connecting end is fixedly connected to the pressing block to drive the pressing block to perform pressing.

[0015] A portable cardiopulmonary resuscitation device as described above, wherein the outer shell is provided with a top cover, a middle shell, and a lower shell, wherein the middle shell is fixedly connected to the upper end of the support frame, the lower shell is connected to the lower end of the support frame relative to the middle shell, and the top cover is connected to the middle shell; the middle shell is provided with an installation cavity, wherein the installation cavity can be used for installing components of the cardiopulmonary resuscitation device;

[0016] The support frame is provided with a mounting platform and a fastening connection position, the middle shell is fixedly connected to the mounting platform, and the fastening connection position can be fixedly connected by the fastening device;

[0017] An upper limit sensor and a lower limit sensor for detecting the running track of the guide block are provided on the upper and lower sides of the push rod bracket, and the guide block is further limited by the upper limit sensor and the lower limit sensor.

[0018] As described above, in a portable cardiopulmonary resuscitation machine, the fastening device is provided with a locking component, a strap, and a backboard assembly. The strap is connected to the backboard assembly, the locking component is connected to the strap, and the locking component can be connected to the fastening connection position to stabilize the entire machine.

[0019] The implementation of the present invention has the following beneficial effects:

[0020] 1. This solution adopts a structural design of a pressing device plus a fastening device. The shell is provided with an outer shell, a support frame, and a push rod bracket. The pressing device is arranged in the push rod bracket. The pressing device includes a driving device and an extension device. The driving device is provided with a driving motor, a battery assembly, and a heat dissipation device. The battery assembly supplies power to the entire machine. The driving motor drives the extension device to simulate manual compression to perform telescopic compression on the human body. The pressing force is adjusted by adjusting the speed of the driving motor, and the heat dissipation device is used to dissipate heat from the entire machine, so that the cardiopulmonary resuscitation machine can press the human body stably for a long time, and then it is detachably connected to the support frame through a fastening device, so that the cardiopulmonary resuscitation machine can be quickly installed or quickly disassembled on the human body. The entire machine has a simple structure, small size, simple operation, and is easy to carry, achieving the effects of continuous and stable cardiopulmonary resuscitation compression, adjustable pressing force, easy portability and installation of the cardiopulmonary resuscitation machine, and being suitable for rapid rescue in multiple scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 This is an exploded view of the structure of the present utility model;

[0024] Figure 3 This is a schematic structural diagram of the middle shell and top cover of the utility model;

[0025] Figure 4This is a partially hidden diagram of the structure of the utility model;

[0026] Figure 5 To correspond Figure 4 Structural explosion diagram;

[0027] Figure 6 To correspond Figure 1 AA section view of part of the structure;

[0028] Figure 7 To correspond Figure 6 Structural exploded cross-sectional view;

[0029] Figure 8 To correspond Figure 7 Enlarged view of part B.

[0030] In the figure: 1-shell, 111-top cover, 1111-display module, 1112-operating remote control, 112-middle shell, 1121-installation cavity, 1122-heat dissipation hole, 1123-side display screen, 113-lower shell, 1131-electrical interface installation position, 12-support frame, 121-installation table, 122-fastening connection position, 123-fastening connection plate, 13-push rod bracket, 131-upper limit sensor, 132-lower limit sensor, 133-control board assembly; 21-drive device, 211-drive motor, 2111-drive motor body, 2112-power output gear, 2113-synchronous belt, 212-battery assembly, 212 1-battery housing, 2122-quick release connector, 213-heat dissipation device, 221-contact structure, 2211-pressing block, 2212-pressing pad, 222-extension structure, 2221-push rod, 22211-threaded portion, 22212-lower connecting end, 2222-rotating tooth, 22221-rotating tooth body, 22222-push rod connecting component, 22223-bearing A, 22224-bearing B, 2223-guide block, 22231-push rod mounting position, 22233-guide slide, 2225-guide shaft, 2226-lower anti-collision component; 3-fastening device, 31-locking component, 32-strap, 33-back plate assembly. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] like Figures 1 to 8As shown, the embodiment of the present invention provides a portable cardiopulmonary resuscitation machine, comprising:

[0033] The shell 1 is provided with an outer shell, a support frame 12, and a push rod bracket 13. The outer shell is connected to the support frame 12. The push rod bracket 13 is provided in the outer shell and connected to the support frame 12. The side of the push rod bracket 13 is provided with a control panel assembly 133 for controlling the operation of the whole machine; a pressing device, the pressing device is connected to the support frame 12, the pressing device includes a driving device 21 and an extension device. The driving device 21 is provided with a driving motor 211, a battery assembly 212, and a heat dissipation device 213. The driving motor 211 is provided on one side of the push rod bracket 13. The battery assembly 212 is detachably connected to the other side of the push rod bracket 13 relative to the drive motor 211 to power the entire machine. The heat dissipation device 213 is arranged on the lower side of the drive motor 211 for heat dissipation. The extension device is connected to the push rod bracket 13, and the extension device is rotatably connected to the drive motor 211; the fastening device 3 is detachably connected to the support frame 12, and the cardiopulmonary resuscitation machine can be fastened to the human body through the fastening device 3. The control panel assembly 133 controls the drive motor 211 to drive the extension device to extend and retract to press the human body.

[0034] Specifically, the extension device includes a contact structure 221 and an extension structure 222. The contact structure 221 is connected to the end of the extension structure 222 to increase the contact area with human skin, reduce local pressure and improve comfort; the extension structure 222 is connected to the push rod bracket 13 and fixedly connected to the support frame 12 to ensure that the extension structure 222 runs smoothly; the extension structure 222 is rotatably connected to the drive motor 211 to ensure that the extension structure 222 can move up and down quickly through the forward or reverse rotation of the drive motor 211; the extension device also includes a rotary sensor, which is installed inside the contact structure 221 for real-time monitoring of the compression depth and feeding back data to the control panel assembly 133 to achieve precise adjustment of the compression depth and improve the safety of the cardiopulmonary resuscitation machine during use.

[0035] Furthermore, the elongated structure 222 is provided with a push rod 2221, a rotating tooth 2222, a guide block 2223, a guide shaft 2225, and a lower anti-collision component 2226. The push rod 2221 is connected to the support frame 12 and is connected to the contact structure 221. The push rod 2221 is made of high-strength lightweight alloy to improve its durability and reduce the overall weight, thereby improving the portability of the cardiopulmonary resuscitation machine and extending the service life of the cardiopulmonary resuscitation machine; the rotating tooth 2222 is fixedly connected to the push rod 2221 and is rotatably connected to the drive motor 211. The rotating tooth 2222 is provided with a self-lubricating material coating to reduce friction, reduce the load of the drive motor 211 and extend its service life; the guide block 2223 slides It is dynamically connected to the push rod 2221, and the guide block 2223 is slidingly connected to the guide shaft 2225. The outer surface of the guide shaft 2225 is provided with a wear-resistant coating to improve its wear resistance, thereby extending the service life of the entire cardiopulmonary resuscitation machine and ensuring safety during use; one end of the lower anti-collision component 2226 is fixedly connected to the guide shaft 2225, and the other end abuts against the support frame 12 to limit the guide block 2223. The lower anti-collision component 2226 is made of elastic material to absorb the impact force generated during the extension and contraction process, further protect the support frame 12 and the guide block 2223, and reduce the vibration during the use of the cardiopulmonary resuscitation machine, thereby improving the comfort of the cardiopulmonary resuscitation machine during use.

[0036] Furthermore, the push rod 2221 is provided with a threaded portion 22211, an upper connecting end, and a lower connecting end 22212. The rotating tooth 2222 is threadedly transmitted with the push rod 2221 through the threaded portion 22211. The surface of the threaded portion 22211 is provided with an anti-slip coating to increase the friction with the rotating tooth 2222, prevent loosening or slipping during use, and improve safety during use; the upper connecting end is connected to the guide block 2223 to drive the guide block 2223 to move up and down. The utility model preferably uses a screw device to fix the upper connecting end and the guide block 2223; the lower connecting end 22212 is connected to the contact structure 221, and the contact structure 221 is driven to move up and down through the up and down movement of the push rod 2221.

[0037] Furthermore, the driving motor 211 is provided with a driving motor body 2111 and a power output gear 2112, and the power output gear 2112 is connected to the driving motor body 2111; the rotating tooth 2222 is provided with a rotating tooth body 22221 and a push rod connecting component 22222, and the rotating tooth body 22221 is fixedly connected to the push rod connecting component 22222, and a rotating connecting plane is provided inside the rotating tooth body 22221, and the push rod connecting component 22222 is provided with a matching connecting surface that matches the rotating connecting plane, so as to realize the The convenience of connecting the rotating tooth body 22221 with the push rod connecting component 22222 and preventing the push rod connecting component 22222 from offsetting during rotation, which affects the stability of the cardiopulmonary resuscitation machine during use; the push rod connecting component 22222 is threadedly transmitted with the push rod 2221 through the threaded portion 22211, and the rotating tooth body 22221 is rotationally connected with the power output gear 2112 through a synchronous belt 2113 to drive the push rod 2221 to move up and down; bearings A 22223 and bearing B 22224 are respectively provided at the upper and lower ends of the rotating tooth body 22221 to reduce the wear of the rotating tooth body 22221 during use, thereby extending the service life of the cardiopulmonary resuscitation machine.

[0038] Furthermore, the guide block 2223 is provided with a push rod mounting position 22231 and a guide shaft mounting position, and the inner wall of the guide shaft mounting position is provided with a fine-tuning device, and the fine-tuning device is used to finely adjust the sliding clearance of the guide block 2223 on the guide shaft 2225 to ensure the sliding accuracy and stability of the guide block 2223; the upper connecting end of the push rod 2221 is fixedly connected to the push rod mounting position 22231 through a connecting piece, and the guide block 2223 is slidably connected to the guide shaft mounting position through the guide shaft 2225 to slide up and down; the guide block 2223 is also provided with a reinforcing rib structure, and the reinforcing rib structure is used to improve the overall strength and rigidity of the guide block 2223 to prevent deformation or damage under high-intensity use.

[0039] Furthermore, the guide shaft mounting position is provided with a guide slide 22233 and a slide mounting hole, the slide mounting holes are diagonally arranged on both sides of the guide block 2223, the guide slide 22233 is fixedly connected to the slide mounting hole, and the guide shaft 2225 is slidably connected to the guide slide 22233; the inner surface of the guide slide 22233 is provided with a wear-resistant coating to reduce the friction of the guide shaft 2225 during the sliding process, thereby extending the guide slide 22233 and the guide shaft 2 225; a lubrication structure is also provided in the guide slide 22233, and the lubrication structure includes a lubricating oil hole and an oil seal. Lubricating oil is regularly injected into the guide shaft 2225 through the lubricating oil hole, and the oil seal prevents the lubricating oil from leaking out to ensure the smooth sliding of the guide shaft 2225; an elastic buffer pad is provided in the slide mounting hole, and the elastic buffer pad is used to provide buffering when the guide slide 22233 is connected to the guide block 2223, so as to reduce vibration and impact and improve the stability of the whole machine.

[0040] Furthermore, the contact structure 221 is provided with a pressing block 2211 and a pressing pad 2212, the pressing pad 2212 is provided with a limiting column, the pressing block 2211 is provided with a limiting column hole and a connecting end hole that cooperate with the limiting column, the pressing block 2211 is fixedly connected to the pressing pad 2212 through the limiting column and the limiting column hole; the lower connecting end 22212 is fixedly connected to the pressing block 2211 through the connecting end hole, and a fastening end hole is provided on the side of the connecting end hole, which can be connected through a connecting piece The lower connecting end 22212 is fastened to the pressing block 2211 to drive the pressing block 2211 to perform stable pressing; the pressing block 2211 is made of high-strength aluminum alloy to improve its durability and reduce the overall weight, while providing sufficient rigidity for effective pressing; a quick-detachment device is provided at the connection between the pressing block 2211 and the pressing pad 2212, and the user can easily remove or replace the pressing pad 2212 through the quick-detachment device to facilitate the maintenance and care of the cardiopulmonary resuscitation machine.

[0041] Furthermore, the outer shell is provided with a top cover 111, a middle shell 112, and a lower shell 113. The middle shell 112 is fixedly connected to the upper end of the support frame 12, the lower shell 113 is connected to the lower end of the support frame 12 relative to the middle shell 112, and the top cover 111 is connected to the middle shell 112; the middle shell 112 is provided with an installation cavity 1121, and the installation cavity 1121 can be used for installing the cardiopulmonary resuscitation machine components;

[0042] The top cover 111 is provided with a display module 1111, which is electrically connected to the control panel assembly 133. The display module 1111 can display the current compression depth, compression mode, and compression frequency of the cardiopulmonary resuscitation machine, so as to ensure that the user can make timely adjustments through the display module 1111 or the remote control 1112; the remote control 1112 is a wireless design, which can achieve short-range wireless control and convenient operation; the compression depth range of the utility model is preferably 2-5.5CM, the compression mode is divided into three modes: 15:2, 30:2, and continuous, and the compression frequency setting range is 100-120 times / minute, so that targeted adjustments can be made for different patients, thereby expanding the scope of use of the cardiopulmonary resuscitation machine;

[0043] The middle shell 112 is further provided with heat dissipation holes 1122 and side display screens 1123. The side display screens 1123 are provided on both sides of the middle shell 112 and are connected to the display module 1111 to display the same compression parameters, so that medical staff can observe and make corresponding adjustments in time at different angles, thereby improving the safety of the cardiopulmonary resuscitation machine. The heat dissipation device 213 is preferably a cooling fan, which can quickly dissipate heat through the heat dissipation holes 1122 to extend the service life of the cardiopulmonary resuscitation machine.

[0044] The support frame 12 is provided with a mounting platform 121, a fastening connection position 122, and a fastening connection plate 123. The middle shell 112 is fixedly connected to the mounting platform 121; the fastening connection position 122 can be used for fixed connection of the fastening device 3, and the fastening connection position 122 is U-shaped to enhance the stability of the connection of the fastening device 3; the fastening connection plate 123 is fixedly connected to the lower side of the support frame 12, and the rotating teeth 2222 are connected to the fastening connection plate 123 to achieve stability of the connection with the drive motor 211, thereby ensuring the stability of the entire cardiopulmonary resuscitation machine during use;

[0045] An upper limit sensor 131 and a lower limit sensor 132 are respectively provided on the upper and lower sides of the push rod bracket 13 for detecting the running track of the guide block 2223. The guide block 2223 is further limited by the upper limit sensor 131 and the lower limit sensor 132. The upper limit sensor 131 and the lower limit sensor 132 have dual limit functions. The first limit function is used to detect the normal running track of the guide block 2223, and the second limit function is used to issue an alarm when the guide block 2223 exceeds the preset track, thereby preventing accidents and improving the safety of the cardiopulmonary resuscitation machine.

[0046] A waterproof sealing strip is further provided at the connection between the middle shell 112 and the lower shell 113. The waterproof sealing strip is used to prevent external moisture from entering the installation cavity 1121 to protect the safety and normal operation of the cardiopulmonary resuscitation machine components.

[0047] Furthermore, the fastening device 3 is provided with a locking component 31, a strap 32, and a backboard assembly 33. The backboard assembly 33 is provided with an upper backboard, a lower backboard, and a strap connection hole. The upper backboard is fixedly connected to the lower backboard. The upper backboard is a soft silicone plate, and the lower backboard is made of a hard material to enhance the stability of the connection of the backboard assembly 33; the strap 32 is fixedly connected to the backboard assembly 33 through the strap connection hole; the locking component 31 is preferably a snap-on design, and the locking component 31 is provided with a locking card hole. The locking component 31 is connected to the strap 32, and the locking component 31 can be connected to the fastening connection position through the locking card hole 122 stabilizes the entire machine; the strap 32 is designed to be adjustable in length to adapt to the body structure of different patients, and is therefore suitable for rapid rescue in multiple scenarios; the back panel assembly 33 is ergonomically designed, and includes multiple curved and raised parts to fit the curve of the human back, providing a more comfortable back support experience; the back panel assembly 33 is also provided with ventilation holes, which are used to increase air circulation, reduce the stuffiness when worn, and improve user comfort; the locking component 31 is also provided with an anti-slip device, which is used to provide additional friction during the locking process to prevent the locking component 31 from loosening during use, thereby improving the safety of the cardiopulmonary resuscitation machine.

[0048] The battery assembly 212 described in the present utility model can be detachably connected in the middle shell 112 and abut against the support frame 12 to achieve stable installation; the battery assembly 212 is provided with a battery shell 2121 and a quick-release connector 2122, and the quick-release connector 2121 is connected to the battery shell. The battery shell is provided with a status indicator light to display the working status and power information, so that medical staff can replace the battery in time to ensure safety during use; the middle shell 112 is also provided with a release connector mounting position, and the quick-release connector 2121 can be clamped at the release connector mounting position. By toggling the quick-release connector, the battery assembly 212 can be quickly detached from the middle shell 112, so that the battery assembly 212 can be quickly removed and the battery assembly 212 can be quickly maintained and replaced; the lower shell 113 is also provided with an electrical interface mounting position 1131, so that the battery assembly 212 can be quickly connected to the electrical system of the entire machine after installation.

[0049] It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information. In addition, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., which indicate orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0050] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A portable cardiopulmonary resuscitation machine, characterized in that: include: A housing (1), the housing (1) comprising an outer shell, a support frame (12), and a push rod support (13), the outer shell being connected to the support frame (12), and the push rod support (13) being arranged in the outer shell and connected to the support frame (12); A pressing device, the pressing device is connected to the support frame (12), the pressing device comprises a driving device (21) and an extension device, the driving device (21) is provided with a driving motor (211), a battery assembly (212), and a heat dissipation device (213), the driving motor (211) is provided on one side of the push rod bracket (13), the battery assembly (212) is detachably connected to the other side of the push rod bracket (13) relative to the driving motor (211) to supply power to the entire machine, the heat dissipation device (213) is provided on the lower side of the driving motor (211) for heat dissipation, the extension device is connected inside the push rod bracket (13), and the extension device is rotatably connected to the driving motor (211); A fastening device (3) is detachably connected to the support frame (12), and the cardiopulmonary resuscitation machine can be fastened to a human body through the fastening device (3), and the driving motor (211) drives the extension device to extend and retract to press the human body.

2. A portable cardiopulmonary resuscitation machine according to claim 1, characterized in that: The extension device comprises a contact structure (221) and an extension structure (222), wherein the contact structure (221) is connected to the end of the extension structure (222), the extension structure (222) is connected within the push rod bracket (13) and fixedly connected to the support frame (12), and the extension structure (222) is rotatably connected to the drive motor (211) to move up and down.

3. A portable cardiopulmonary resuscitation machine according to claim 2, characterized in that: The elongated structure (222) is provided with a push rod (2221), a rotating tooth (2222), a guide block (2223), a guide shaft (2225), and a lower anti-collision component (2226); the push rod (2221) is connected to the support frame (12) and connected to the contact structure (221); the rotating tooth (2222) is fixedly connected to the push rod (2221) and is rotationally connected to the drive motor (211); the guide block (2223) is slidably connected to the push rod (2221), and the guide block (2223) is slidably connected to the guide shaft (2225); one end of the lower anti-collision component (2226) is fixedly connected to the guide shaft (2225), and the other end abuts against the support frame (12) to limit the guide block (2223).

4. A portable cardiopulmonary resuscitation machine according to claim 3, characterized in that: The push rod (2221) is provided with a threaded portion (22211), an upper connecting end, and a lower connecting end (22212); the rotating tooth (2222) is threadedly transmitted with the push rod (2221) via the threaded portion (22211); the upper connecting end is connected to the guide block (2223) to drive the guide block (2223) to move up and down; and the lower connecting end (22212) is connected to the contact structure (221) to drive the contact structure (221) to move up and down.

5. A portable cardiopulmonary resuscitation machine according to claim 4, characterized in that: The rotating tooth (2222) is provided with a rotating tooth body (22221) and a push rod connecting component (22222); the rotating tooth body (22221) is fixedly connected to the push rod connecting component (22222); the push rod connecting component (22222) is threadedly driven with the push rod (2221) via the threaded portion (22211); the rotating tooth body (22221) is rotationally connected to the drive motor (211) to drive the push rod (2221) to move up and down.

6. The portable cardiopulmonary resuscitation machine according to claim 3, characterized in that: The guide block (2223) is provided with a push rod mounting position (22231) and a guide shaft mounting position. The upper connecting end of the push rod (2221) is fixedly connected to the push rod mounting position (22231). The guide block (2223) is slidably connected to the guide shaft mounting position via the guide shaft (2225) to slide up and down.

7. A portable cardiopulmonary resuscitation machine according to claim 6, characterized in that: The guide shaft mounting position is provided with a guide slide (22233) and a slide mounting hole. The slide mounting holes are diagonally arranged on both sides of the guide block (2223). The guide slide (22233) is fixedly connected to the slide mounting hole. The guide shaft (2225) is slidably connected in the guide slide (22233).

8. The portable cardiopulmonary resuscitation machine according to claim 4, characterized in that: The contact structure (221) is provided with a pressing block (2211) and a pressing pad (2212); the pressing block (2211) is fixedly connected to the pressing pad (2212); and the lower connecting end (22212) is fixedly connected to the pressing block (2211) to drive the pressing block (2211) to perform pressing.

9. The portable cardiopulmonary resuscitation machine according to claim 3, characterized in that: The outer shell is provided with a top cover (111), a middle shell (112), and a lower shell (113); the middle shell (112) is fixedly connected to the upper end of the support frame (12); the lower shell (113) is connected to the lower end of the support frame (12) relative to the middle shell (112); the top cover (111) is connected to the middle shell (112); the middle shell (112) is provided with an installation cavity (1121); the installation cavity (1121) can be used for installing a cardiopulmonary resuscitation machine component; The support frame (12) is provided with a mounting platform (121) and a fastening connection position (122); the middle shell (112) is fixedly connected to the mounting platform (121); and the fastening connection position (122) can be used for the fastening device (3) to be fixedly connected; An upper limit sensor (131) and a lower limit sensor (132) for detecting the running track of the guide block (2223) are respectively provided on the upper and lower sides of the push rod bracket (13), and the guide block (2223) is further limited by the upper limit sensor (131) and the lower limit sensor (132).

10. The portable cardiopulmonary resuscitation machine according to claim 9, characterized in that: The fastening device (3) is provided with a locking component (31), a binding belt (32), and a back panel assembly (33); the binding belt (32) is connected to the back panel assembly (33); the locking component (31) is connected to the binding belt (32); and the locking component (31) can be connected to the fastening connection position (122) to stabilize the entire device.

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