CN113576879A

CN113576879A - Pressing main body and cardiopulmonary resuscitation machine

Info

Publication number: CN113576879A
Application number: CN202110878397.4A
Authority: CN
Inventors: 王红兵; 崔丹; 邓勋恩; 朱文基; 王瑞强; 胡榜
Original assignee: Ambulanc Shenzhen Tech Co Ltd
Current assignee: Ambulanc Shenzhen Tech Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-11-02

Abstract

The invention discloses a pressing main body and a cardio-pulmonary resuscitation machine, wherein the pressing main body comprises a supporting seat, a driving part, a control part, a pressing head and a detection part, wherein the driving part and the control part are both arranged on the supporting seat, and the driving part comprises a driving part and a transmission assembly connected with the driving part; the pressing head is connected with the transmission assembly so as to perform linear reciprocating pressing motion relative to the supporting seat under the control of the control piece; the detection part comprises a Hall sensor and a displacement sensor which are electrically connected with the control part, the Hall sensor is arranged on the position of the driving part, the position of the driving part is connected with the transmission component, so that the number of rotation turns of the driving part can be monitored and transmitted, and the displacement sensor is arranged on the periphery side of the transmission part. The pressing body of the technical scheme of the invention is convenient for calculating the pressing depth and has high use reliability.

Description

Pressing main body and cardiopulmonary resuscitation machine

Technical Field

The invention relates to the technical field of medical equipment, in particular to a pressing main body and a cardiopulmonary resuscitation machine.

Background

Currently, more and more cardiopulmonary resuscitation devices are in operation to save labor. However, most of existing cardiopulmonary resuscitation devices directly obtain the position of each position through the displacement sensor when calculating the compression depth, and thus the displacement sensor is required to measure the whole movement process in real time, and if any displacement sensor fails, the whole compression process is affected.

Disclosure of Invention

The invention mainly aims to provide a pressing body, and aims to provide a pressing body which is simple in structure and convenient for calculating the pressing depth.

In order to achieve the above object, the present invention provides a pressing body including:

a supporting seat;

the driving part is arranged on the supporting seat and comprises a driving piece and a transmission assembly connected with the driving piece;

the control piece is arranged on the supporting seat and is electrically connected with the driving piece;

the pressing head is connected to the transmission assembly and is controlled by the control piece to perform linear reciprocating pressing motion relative to the supporting seat; and

the detection part comprises a Hall sensor and a displacement sensor which are electrically connected with the control part, the Hall sensor is arranged at the position of the driving part, so that the driving part can be monitored and transmitted, the number of rotating turns of the driving part can be monitored and transmitted, the displacement sensor is arranged at the periphery of the driving part, and the driving part can transmit a trigger signal when reaching the initial position and the limit position.

In an optional embodiment, the hall sensors are provided in plurality, and the hall sensors are arranged at intervals along the circumferential direction of the transmission assembly.

In an optional embodiment, the transmission assembly includes a rotary transmission member and a conversion transmission member which are connected, the rotary transmission member is connected with the driving member, the control member is a circuit board, the circuit board is located on one end face of the rotary transmission member, the hall sensor includes a hall element and a magnet, the hall element is located on the surface of the circuit board facing the rotary transmission member, and the magnet is located on the end face of the rotary transmission member and is arranged at an interval with the hall element.

In an optional embodiment, the rotary transmission part comprises a driving wheel, a driven wheel and a conveyor belt, the driving wheel is connected to a driving shaft of the driving part, the conveyor belt is sleeved on the driving wheel and the driven wheel, the driven wheel is connected to the conversion transmission part, and the circuit board and the magnet are oppositely arranged on the end face of the driven wheel;

and/or the conversion transmission part comprises a nut and a screw rod, one end of the screw rod is connected with the rotary transmission part, the nut is rotationally connected with the peripheral surface of the screw rod, and the pressing head is connected to one end, deviating from the rotary transmission part, of the nut.

In an optional embodiment, the transmission assembly further comprises a protective cover installed on the supporting seat, the protective cover is arranged on the rotary transmission part, an avoiding hole is formed in the protective cover, the circuit board is fixed on the protective cover, and the hall element is arranged opposite to the magnet through the avoiding hole.

In an optional embodiment, the pressing body further includes a transmission shell, the supporting seat is sleeved and fixed on a periphery of the transmission shell, the rotary transmission part is partially annularly arranged at one end of the transmission shell, the conversion transmission part is arranged in the transmission shell, one end of the conversion transmission part penetrates through the transmission shell to be connected with the rotary transmission part, and the other end of the conversion transmission part penetrates through the transmission shell to be connected with the pressing head.

In an optional embodiment, the displacement sensor is at least partially disposed in the transmission housing and located on a circumferential surface of the conversion transmission member, a trigger head is disposed on a circumferential edge of the conversion transmission member, the trigger head has a linear motion state along a length direction of the transmission housing, a trigger circuit electrically connected to the circuit board is disposed on the displacement sensor, and the trigger head abuts against the displacement sensor when reaching a start position and an extreme position.

In an optional embodiment, the displacement sensor includes a main body portion, the main body portion extends along a length direction of the transmission housing, two ends of the main body portion are respectively a start end and a limit end, and the trigger circuit is only disposed at the start end and the limit end and is electrically connected to the control member through a wire.

In an optional embodiment, the displacement sensor further includes a connecting portion, the connecting portion is perpendicular to the main body portion and located between the start end and the limit end, the connecting portion penetrates through the transmission housing and is electrically connected to the circuit board, and the start end and the limit end are both electrically connected to the connecting portion.

The invention also provides a cardiopulmonary resuscitation machine, which comprises a pressing main body and supporting structures arranged on two sides of the pressing main body, wherein the pressing main body is any one of the pressing main bodies.

The pressing main body comprises a supporting seat, and a driving part and a control part which are fixed on the supporting seat, wherein the driving part comprises a driving part and a transmission assembly, the pressing head is connected with the transmission assembly, and the driving part is controlled by the control part to drive, so that the linear reciprocating pressing motion of the pressing head relative to the supporting seat is realized through the transmission and conversion of the transmission assembly, the structure can improve the pressing stability, and the pressing effect is ensured. Simultaneously, still be provided with the detection part that hall sensor and displacement sensor combined together, simple structure through hall sensor, high reliability and high sensitivity characteristic, can show accuracy and the reliability that improves the number of turns of rotation that detects the driving piece, the trigger signal when reunion displacement sensor can detect and convey the press head in the initial position to make the control can be when the press head is located the initial position the number of turns of calculation motor, reachs the depth of pressing of accurate driving medium, also be the depth of pressing of press head. So, the main part of pressing of this structure significantly reduces the setting of sensor part to conveniently calculate and press the degree of depth, prolong the life who presses the main part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a pressing body according to an embodiment of the present invention;

FIG. 2 is a front view of the pressing body shown in FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of the pressing body shown in FIG. 2;

FIG. 4 is a left side view of the pressing body shown in FIG. 1;

FIG. 5 is a cross-sectional view taken along line B-B of the pressing body shown in FIG. 4;

FIG. 6 is an enlarged view at C of FIG. 5;

fig. 7 is a schematic structural view of a displacement sensor in the pressing body according to the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Pressing body	335	Protective cover
10	Supporting seat	3351	Avoiding hole
				20	Transmission case	40	Fan with cooling device
30	Driving part	50	Control element
				31	Driving member	70	Pressing head
33	Transmission assembly	80	Sleeve barrel
				331	Rotary transmission part	90	Detection component
3311	Driving wheel	91	Hall sensor
				3313	Driven wheel	911	Hall element
3315	Conveyor belt	913	Magnet
				3317	Driving wheel	93	Displacement sensor
333	Conversion driving medium	931	Main body part
				3331	Screw mandrel	9311	Starting end
3333	Nut	9313	Extreme end
				3335	Trigger head	933	Connecting part

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a compression body 100 for use in cardiopulmonary resuscitation.

Referring to fig. 1 to 3, in an embodiment of the present invention, the pressing body 100 includes a supporting seat 10, a driving part 30, a control part 50 and a detecting part 90, the driving part 30 is mounted on the supporting seat 10, and the driving part 30 includes a driving part 31 and a transmission assembly 33 connected to the driving part 31; the control element 50 is mounted on the support seat 10 and electrically connected with the driving element 31; the pressing head 70 is connected to the transmission assembly 33, so as to perform linear reciprocating pressing motion relative to the supporting seat 10 under the control of the control member 50;

detection part 90 including all with hall sensor 91 and displacement sensor 93 that control 50 electricity is connected, hall sensor 91 is located drive assembly 33 connects the position of driving piece 31 to monitor and conveying the number of turns of rotation of driving piece 31, displacement sensor 93 is located week side of driving piece, in order to be in the driving piece conveys trigger signal when arriving initial position and extreme position.

In this embodiment, the support base 10 is substantially rectangular parallelepiped, and the thickness of the rectangular parallelepiped is set as required, thereby stably fixing the driving member 30. The supporting seat 10 may be made of plastic, and is formed by injection molding, so that the supporting seat is convenient to process and has high structural strength, and the structural stability of the pressing body 100 is effectively improved. The control part comprises a driving part 31 and a transmission component 33, the driving part 31 is fixedly arranged on the supporting seat 10, the driving part 31 can be a motor or a motor, specifically can be a brush motor, has a simple structure, is convenient to maintain and easy to control, and can also be a stepping motor or a servo motor. And the driving part 31 is connected with the pressing head 70 through the transmission assembly 33 for driving, so that the operating frequency of the driving part 31 can be effectively adjusted, the control is convenient, and the driving stability is improved. The transmission assembly 33 converts the rotation motion of the driving member 31 into a linear reciprocating motion, and the pressing head 70 is connected to the transmission assembly 33, so as to drive the pressing head 70 to realize a pressing function.

It will be appreciated that a control member 50 is also provided on the support base 10 for the purpose of controlling the drive member 31. The control member 50 may be a controller or a circuit board, and may be directly mounted on the supporting seat 10 or indirectly connected to the supporting seat 10, which is not limited herein, and is conveniently electrically connected to the driving member 31. Thus, the pressing body 100 is mechanically pressed for rescue in an electric control mode, and the pressing frequency and depth can be controlled by the control element 50, so that the pressing standard of emergency cardiopulmonary resuscitation is met, and the rescue probability of cardiopulmonary resuscitation is improved. Meanwhile, in order to calculate the pressing depth conveniently, the control member 50 is electrically connected to the detection member 90, that is, the hall sensor 91, specifically includes a hall element 911 and a magnet 913 disposed at an interval opposite to the hall element 911, and can detect the number of rotations of the driving member 31.

In order to realize accurate calculation, the control member 50 may further automatically determine the start position to calculate and control the pressing depth, that is, the detecting member 90 further includes a displacement sensor 93, wherein the displacement sensor 93 is a pressure-sensitive sensor, and has a small size and a thin thickness, which can effectively reduce the occupied space. It can be known that, the transmission assembly 33 has an upward starting position and a downward movement limit position, so the displacement sensor 93 is arranged on the periphery of the transmission assembly 33, and can generate a trigger signal when the transmission assembly 33 reaches the starting position, so as to transmit the trigger signal to the control element 50, the control element 50 then controls the driving element 31 to start to drive the pressing head 70 downward, and the hall sensor 91 starts to detect the number of rotation turns of the driving element 31, so that through software calculation, the linear movement displacement of the screw rod 3331, namely the downward pressing depth of the pressing head 70 is obtained, and the pressing depth can be controlled at any time.

Here, in order to improve the safety and comfort of the pressing, the material of the pressing head 70 may be silica gel, or the pressing head 70 may be made of metal or plastic, and a silica gel pad is sleeved on the pressing head.

The pressing main body 100 of the technical scheme of the invention comprises a supporting seat 10, and a driving part 30 and a control part 50 which are fixed on the supporting seat 10, wherein the driving part 30 comprises a driving part 31 and a transmission assembly 33, the pressing head 70 is connected with the transmission assembly 33, and the control part 50 controls the driving part 31 to drive, so that the linear reciprocating pressing motion of the pressing head 70 relative to the supporting seat 10 is realized through the transmission and conversion of the transmission assembly 33, the structure can improve the pressing stability and ensure the pressing effect. Meanwhile, the detection component 90 combining the hall sensor 91 and the displacement sensor 93 is further arranged, the structure is simple through the hall sensor 91, the accuracy and the reliability of the number of rotation turns of the detection driving component 31 can be obviously improved, and the triggering signal of the pressing head 70 in the initial position can be detected and transmitted by combining the displacement sensor 93, so that the number of turns of the motor can be calculated when the pressing head 70 is located in the initial position through the control component 50, the accurate pressing depth of the transmission component is obtained, and the pressing depth of the pressing head 70 is also obtained. Thus, the pressing body 100 of this structure greatly reduces the number of sensor components, facilitates the calculation of the pressing depth, and prolongs the service life of the pressing body 100.

Referring to fig. 4 and 5, in an alternative embodiment, a plurality of hall sensors 91 are provided, and the hall sensors 91 are arranged at intervals along the circumferential direction of the transmission assembly 33.

In this embodiment, in order to improve the detection sensitivity, the number of the hall sensors 91 cannot be too small, so that the hall sensors 91 are arranged in a plurality, and the hall sensors 91 are arranged at intervals along the axial direction of the transmission assembly 33, so that when one of the hall sensors 91 has a problem, the detection accuracy and sensitivity can be ensured. Of course, the number of the hall sensors 91 cannot be too large, and too much will cause interference between adjacent hall sensors 91, affecting the accuracy of detection, and causing waste in component cost. Therefore, alternatively, three hall sensors 91 are provided, and the three hall sensors 91 are provided at intervals in the circumferential direction of the transmission assembly 33. Alternatively, when the transmission assembly 33 is a cylinder, it is also arranged at regular intervals in the circumferential direction, so as to ensure the uniformity and accuracy of detection.

Referring to fig. 3 again, without limiting the number of the hall sensors 91, in an alternative embodiment, the transmission assembly 33 includes a rotation transmission member 331 and a conversion transmission member 333 that are connected, the rotation transmission member 331 is connected to the driving member 31, the control member 50 is a circuit board, the circuit board is located on an end surface of the rotation transmission member 331, the hall sensor 91 includes a hall element 911 and a magnet 913, the hall element 911 is located on a surface of the circuit board facing the rotation transmission member 331, and the magnet 913 is located on the end surface of the rotation transmission member 331 and is spaced from the hall element 911.

In this embodiment, for compact structure, the transmission assembly 33 includes a rotary transmission member 331, and the movement mode of the rotary transmission member 331 is also rotary rotation, and only the rotation speed of the driving shaft of the driving member 31 is adjusted and the extending direction thereof is changed, so that the change-over transmission member 333 is arranged side by side with the driving member 31, and the length in the direction of the rotation axis is reduced. Of course, in order to convert the rotational motion of the driving member 31 into the linear motion, the transmission assembly 33 further includes a conversion transmission member 333, and the pressing head 70 is connected to the conversion transmission member 333 so as to perform the linear reciprocating motion.

In order to further save space, the control member 50 is a circuit board, which is in a thin plate shape and on which various control circuits and computing modules are arranged, so that the assembly is more convenient. Meanwhile, the hall sensor 91 is disposed on the rotating transmission member 331, and is used for detecting the number of rotation turns of the rotating transmission member 331, that is, converting into the number of rotation turns of the driving member 31. Here locate the terminal surface of rotating drive spare 331 with the circuit board, locate hall element 911 on the surface of circuit board towards rotating drive spare 331, magnet 913 is located rotating drive spare 331, can further save occupation space to simplify the equipment, improve machining efficiency. Of course, the hall sensor 91 and the control member 50 may be provided on the drive shaft of the driving member 31.

In an alternative embodiment, the rotating transmission member 331 includes a driving wheel 3311, a driven wheel 3313 and a transmission belt 3315, the driving wheel 3311 is connected to the driving shaft of the driving member 31, the transmission belt 3315 is sleeved on the driving wheel 3311 and the driven wheel 3313, the driven wheel 3313 is connected to the converting transmission member 333, and the circuit board and the magnet 913 are oppositely disposed on the end surface of the driven wheel 3313;

and/or the conversion transmission member 333 includes a nut 3333 and a screw rod 3331, one end of the screw rod 3331 is connected to the rotation transmission member 331, the nut 3333 is rotatably connected to the circumferential surface of the screw rod 3331, and the pressing head 70 is connected to one end of the nut 3333 away from the rotation transmission member 331.

In this embodiment, the rotating transmission member 331 is disposed to include a driving wheel 3311, a driven wheel 3313 and a transmission belt 3315, the driving wheel 3311 and the transmission belt 3315 are driven by friction to rotate the transmission belt 3315, and then the driven wheel 3313 is driven to rotate, and the rotating speed of the driving member 31 is adjusted by designing the diameters of the driving wheel 3311 and the driven wheel 3313. Here, in order to calculate the linear displacement of the conversion transmission member 333 more easily, the magnet 913 is provided on the end surface of the driven wheel 3313, and the circuit board is also provided on the end surface of the driven wheel 3313, and may be fixed by a bracket provided on the support base 10. Therefore, the rotation number of the driven wheel 3313 is detected and transmitted to the circuit board, so that the software of the circuit board is simpler and more convenient to calculate, and the power consumption is low. The rotating transmission member 331 of this structure can be so that rotate comparatively stably, and transmission efficiency is high, and the precision is high, and can realize pressing at the uniform velocity, effectively improves the effect of pressing, improves the validity of succour. Alternatively, the driving pulley 3311 and the driven pulley 3313 may be gear-shaped, thereby increasing friction with the conveyor belt 3315 and improving transmission stability. The conveyor belt 3315 may be a belt or a cloth belt. Of course, in other embodiments, the belt may be a chain or the like. Alternatively, in one embodiment, the driving pulley 3311 and the driven pulley 3313 are directly engaged.

Of course, in order to facilitate the arrangement of the magnet 913 and the connection with the converting transmission member 333, the transmission assembly 33 further includes a transmission wheel 3317, the transmission wheel 3317 is cylindrical, the driven wheel 3313 is sleeved on the periphery of the transmission wheel 3317, the transmission wheel 3317 is connected with the converting transmission member 333, and therefore, the transmission wheel 3317 also rotates along with the driven wheel 3313, so that the magnet 913 is disposed on the end surface of the transmission wheel 3317.

On the basis that the rotating transmission member 331 is a driving wheel 3311 and a driven wheel 3313, the conversion transmission member 333 is a nut 3333 and a screw 3331, and the conversion transmission member 333 with the structure has the advantages of simple structure, low cost and high positioning accuracy. One end of the screw 3331 is fixedly connected to the end surface of the driving wheel 3317, so that the screw 3333 rotatably connected to the screw 3331 is driven by the driving wheel 3317 to move in the axial direction, i.e., move linearly, and the pressing head 70 is connected to the end of the screw 3333 far away from the driving wheel 3317, thereby achieving a linear pressing effect. Here, the axis of the lead screw 3331 is arranged in parallel with the axis of the driver 31. The displacement sensor 93 is provided with a start end 9311 corresponding to the upper end of the nut 3333, and a limit end 9313 corresponding to the lower end of the nut 3333, so as to ensure the pressing depth and the pressing safety of the pressing head 70.

In other embodiments, the transmission assembly 33 may be configured such that the balance wheel and the screw are engaged to realize a linear motion.

Referring to fig. 2 and 3, for safety, in an alternative embodiment, the transmission assembly 33 further includes a protective cover 335 mounted on the supporting base 10, the protective cover 335 is covered on the rotating transmission member 331, the protective cover 335 is provided with an avoiding hole 3351, the circuit board is fixed to the protective cover 335, and the hall element 911 is disposed opposite to the magnet 913 through the avoiding hole 3351.

In this embodiment, the transmission assembly 33 further includes a protective cover 335, the protective cover 335 includes a cover plate and a side plate disposed on the periphery of the cover plate, the cover plate and the side plate form a protective groove, the protective groove covers the driving wheel 3311 and the driven wheel 3313, and when there is a transmission wheel 3317, the protective groove covers the transmission wheel 3317. On one hand, the protective cover 335 can reduce dust or sundries from falling in, and improve the transmission stability of the rotary transmission member 331; on the other hand, the potential safety hazard caused by misoperation can be reduced, so that the safety is improved. The protective cover 335 may further provide a support for the circuit board, so that the protective cover 335 is provided with an avoiding hole 3351, and the circuit board is fixed to the periphery of the avoiding hole 3351, so that the hall element 911 may be disposed opposite to the magnet 913 through the avoiding hole 3351, thereby facilitating receiving the magnetic induction lines. The circuit board is connected with the protective cover 335 by screw thread, so that the maintenance is convenient and the connection structure is stable. Of course, in other embodiments, a snap connection or an adhesive connection may be used.

Referring to fig. 5, it can be understood that, in order to protect the transmission member 333, in an alternative embodiment, the pressing body 100 further includes a transmission housing 20, the supporting base 10 is sleeved and fixed on a periphery of the transmission housing 20, the rotation transmission member 331 is partially disposed around one end of the transmission housing 20, the transmission member 333 is disposed in the transmission housing 20, and one end of the transmission member passes through the transmission housing 20 and is connected to the rotation transmission member 331, and the other end of the transmission member passes through the transmission housing 20 and is connected to the pressing head 70.

In this embodiment, the transmission housing 20 is matched with the screw 3331 and the nut 3333 in shape, and is cylindrical, and the screw 3331 and the nut 3333 are both arranged in the transmission housing 20, so that the influence of dust and impurities on the rotational connection of the nut 3333 and the screw 3331 can be reduced, and the transmission stability is improved. Specifically, the supporting seat 10 includes a motor fixing seat and a protective mounting seat, the protective mounting seat has a sleeve hole and is sleeved on the transmission housing 20, and the motor fixing seat is formed by extending one side of the protective mounting seat and has a through hole for the motor shaft to pass through. The shield 335 is mounted to the shield mount to form a stable fixed structure. Here, the supporting seat 10 may be an integrally formed structure with the transmission case 20, which can further enhance the connection strength and the structural stability. The conversion transmission member 333 is disposed in the transmission housing 20, the upper end of the lead screw 3331 passes through the transmission housing 20 and is fixedly connected to the end surface of the transmission wheel 3317, for example, by a pin or a key, and the lower end of the nut 3333 passes through the transmission housing 20 and is connected to the pressing head 70, where the connection may be a screw connection, a snap connection, a plug connection, or the like, and is not limited herein.

Referring to fig. 5 and fig. 6, in an alternative embodiment, the displacement sensor 93 is at least partially disposed in the transmission housing 20 and located on a peripheral surface of the conversion transmission member 333, a trigger head 3335 is disposed on a peripheral edge of the conversion transmission member 333, the trigger head 3335 has a linear motion state along a length direction of the transmission housing 20, a trigger circuit electrically connected to the circuit board is disposed on the displacement sensor 93, and the trigger head 3335 abuts against the displacement sensor 93 when reaching the start position and the limit position.

In this embodiment, in order to detect whether the pressing head 70 is located at the start position, the displacement sensor 93 is provided with a trigger circuit, the conversion transmission member 333 is provided with a trigger head 3335 at its periphery, specifically, the nut 3333 is provided with a trigger head 3335 at its periphery, the trigger head 3335 is in the shape of a convex block and is protruded at the periphery of the nut 3333, and moves linearly with the nut 3333, only when the trigger head 3335 abuts against the trigger circuit of the displacement sensor 93, an electrical signal is generated by triggering, and thus the signal is transmitted to the circuit board for confirmation, so as to determine whether the pressing head 70 is located at the start position or the limit position, thereby facilitating subsequent operations. Here, the displacement sensor 93 is spaced apart from the periphery of the nut 3333 by a predetermined distance, and the distance is set to be small at the home position, so that when the trigger head 3335 is moved to the home position, it can abut against the trigger circuit to generate a signal.

In order to guarantee the stability of triggering head 3335 and displacement sensor 93 direct contact, it is equipped with sleeve 80 to overlap at nut 3333 outer peripheral face, the spout has been seted up to the position that this sleeve 80 corresponds to triggering head 3335, and this spout extends along the moving direction who triggers head 3335, thereby limited the moving direction who triggers head 3335, there is certain limiting displacement to triggering head 3335, guarantee displacement sensor 93's detection stability and accuracy. Here, the pressing head 70 returns to the inspiration position after the pressing body 100 is powered on, that is, the power-on trigger control member 50 controls the driving member 31 to drive the transmission assembly 33 to return to the initial position, so as to determine the pressing depth of each pressing and improve the control accuracy of the pressing depth.

Referring to fig. 5, 6 and 7, in an alternative embodiment, the displacement sensor 93 includes a main body portion 931, the main body portion 931 extends along a length direction of the transmission housing 20, and two ends of the main body portion 931 are a start end 9311 and a limit end 9313, respectively, and the trigger circuit is disposed only at the start end 9311 and the limit end 9313 and electrically connected to the controller 50 through a conductive wire.

In the present embodiment, the displacement sensor 93 includes a main body portion 931, the main body portion 931 is disposed in a sheet shape and extends along the length direction of the transmission housing 20, and the two ends of the main body portion are a starting end 9311 and a limiting end 9313, respectively, that is, when the trigger head 3335 corresponds to the starting end 9311, the converting transmission member 333 and the pressing head 70 are located at the starting positions, and when the trigger head 3335 corresponds to the limiting end 9313, the converting transmission member 333 and the pressing head 70 are located at the limiting positions. The displacement sensor 93 with the structure has small thickness and can be inserted into the transmission shell 20, so that other redundant space is not occupied, and the structure is more simplified and compact. In order to further improve the reliability of the displacement sensor 93, the trigger circuits are only disposed at the start end 9311 and the limit end 9313, and the trigger circuits are not disposed at other positions of the main body portion 931, so that the layout of the circuit is reduced, the processing requirement is low, and the reliability of the detection can be ensured. The trigger circuit can be connected to the circuit board through a conductive wire, which can be inserted through a gap between the transmission case 20 and other components, or through holes are formed to route the wires.

In an alternative embodiment, the displacement sensor 93 further includes a connection part 933, the connection part 933 is disposed perpendicular to the main body part 931 and located between the start end 9311 and the limit end 9313, the connection part 933 penetrates through the transmission housing 20 to be electrically connected with the circuit board, and both the start end 9311 and the limit end 9313 are electrically connected with the connection part 933.

In this embodiment, in order to facilitate the routing of the displacement sensor 93, the displacement sensor further includes a connection part 933, the connection part 933 is perpendicular to the main body 931 and is located between the start end 9311 and the limit end 9313, and a conductive connection line between the trigger circuit and the connection part 933 can extend along an edge of the main body 931 without affecting the transmission of other components. And its surface of wearing out transmission housing 20 is provided with connecting circuit to conveniently carry out the electricity through this connecting circuit and be connected with the circuit board, effectively improve the stability of connecting, simultaneously, the setting of connecting portion 933 can also make things convenient for displacement sensor 93 fixed, thereby guarantees the accuracy of its position, further guarantees the accuracy of detecting. Optionally, the connection part 933 is provided at the middle of the body part 931.

Referring to fig. 1 and 3, in addition, in order to prevent the circuit board and various circuits from being exposed, the pressing body 100 further includes a body casing (not shown) for protecting internal components, and the shape of the body casing may be a square, a rectangular parallelepiped, a cylinder, or the like, which is not limited herein. The body portion 931 has a hole formed at a position opposite to the pressing head 70 to ensure the pressing movement of the pressing head 70. And in order to stabilize the performance of the driving part 30, the pressing body 100 further includes a heat sink, for example, a fan 40, which is disposed at the periphery of the driving housing 20 and is opposite to the driving part 31, so that heat can be timely dissipated, short circuit or failure caused by excessive heat can be prevented, and the reliability of the pressing body 100 can be ensured. Here, two fans 40 may be disposed, and are respectively located at two sides of the transmission case 20, and heat dissipation holes may be formed in the main body case corresponding to the positions of the fans 40, wherein one fan 40 sucks external air flow for heat dissipation, and the other fan 40 blows out internal air flow, so as to form heat dissipation circulation air flow, thereby effectively improving heat dissipation effect.

The present invention also provides a cardiopulmonary resuscitation machine (not shown) including a compression body 100 and two support structures provided on both sides of the compression body 100, wherein the compression body 100 is the structure of the compression body 100 according to any of the above embodiments. Since the pressing body 100 in the cardiopulmonary resuscitation machine of the present invention includes the technical solution of the pressing body 100 of any of the above embodiments, the beneficial effects brought by the above embodiments are not described herein again.

In this embodiment, in order to further save labor, the pressing body 100 is conveniently supported, and the pressing function is realized. The cardiopulmonary resuscitation machine further comprises two support structures. Optionally, each support structure is substantially in the shape of an arc plate, and the structure of each support structure can be an integral part or formed by assembling split structures. The main part 100 is pressed in the one end of two bearing structure is connected respectively, and the other end is fixed in ground or is connected with the bottom plate, and bearing structure's length and the interval between two bearing structure design according to adult's health proportion to can improve cardiopulmonary resuscitation machine's application range. When being provided with the bottom plate, put the bottom plate in patient's back to improve this cardiopulmonary resuscitation machine's the stability of pressing, improve succour efficiency.

In addition, in an optional embodiment, in order to further reduce the occupied space of the cardiopulmonary resuscitation machine, the support structure is rotatably connected to the pressing main body 100, that is, the support structure can rotate a certain angle relative to the pressing main body 100, and after the support structure is disconnected from the base plate, the two support structures can be rotated toward the center line direction of the pressing main body 100, so that the two support structures are combined, the space is effectively saved, and the carrying convenience is improved.

In an alternative embodiment, in order to monitor the operating status of the cardiopulmonary resuscitation machine, the pressing body 100 is further provided with a display device, the display device is electrically connected with the control member 50, and the parameters calculated and controlled by the control member 50 can be displayed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A pressing body, comprising:

a supporting seat;

2. The pressing body of claim 1, wherein the hall sensor is provided in plurality, and the plurality of hall sensors are arranged at intervals in a circumferential direction of the transmission assembly.

3. The pressing body according to claim 1, wherein the transmission assembly comprises a rotary transmission member and a converting transmission member connected to each other, the rotary transmission member is connected to the driving member, the control member is a circuit board, the circuit board is located on an end surface of the rotary transmission member, the hall sensor comprises a hall element and a magnet, the hall element is located on a surface of the circuit board facing the rotary transmission member, and the magnet is located on an end surface of the rotary transmission member and spaced from the hall element.

4. The pressing body of claim 3, wherein the rotating transmission member includes a driving wheel, a driven wheel and a transmission belt, the driving wheel is connected to the driving shaft of the driving member, the transmission belt is sleeved on the driving wheel and the driven wheel, the driven wheel is connected to the converting transmission member, and the circuit board and the magnet are oppositely disposed on an end surface of the driven wheel;

5. The pressing body according to claim 3, wherein the transmission assembly further includes a shield installed on the supporting base, the shield is disposed on the rotating transmission member, the shield has an avoiding hole, the circuit board is fixed to the shield, and the hall element is disposed opposite to the magnet through the avoiding hole.

6. The pressing body according to any one of claims 3 to 5, further comprising a driving shell, wherein the supporting base is sleeved and fixed on a periphery of the driving shell, the rotating transmission member is partially disposed at one end of the driving shell in a surrounding manner, the converting transmission member is disposed in the driving shell, and one end of the converting transmission member penetrates through the driving shell to be connected with the rotating transmission member, and the other end of the converting transmission member penetrates through the driving shell to be connected with the pressing head.

7. The pressing body according to claim 6, wherein the displacement sensor is at least partially disposed in the transmission housing and located on a peripheral surface of the conversion transmission member, a trigger head is disposed on a peripheral edge of the conversion transmission member, the trigger head has a linear motion state along a length direction of the transmission housing, a trigger circuit electrically connected to the circuit board is disposed on the displacement sensor, and the trigger head abuts against the displacement sensor when reaching a start position and an extreme position.

8. The pressing body of claim 7 wherein the displacement sensor includes a body portion extending along a length of the housing and having a start end and a limit end at opposite ends thereof, the trigger circuit being disposed only at the start end and the limit end and being electrically connected to the control member via a wire.

9. The pressing body of claim 8 wherein the displacement sensor further comprises a connecting portion disposed perpendicular to the body portion and between the initiation end and the limiting end, the connecting portion extending through the transmission housing and electrically connecting to the circuit board, the initiation end and the limiting end both electrically connecting to the connecting portion.

10. Cardiopulmonary resuscitation machine comprising a compression body and support structures provided on both sides of the compression body, the compression body being according to any one of claims 1 to 9.