CN217853807U

CN217853807U - External counterpulsation air charging and discharging device

Info

Publication number: CN217853807U
Application number: CN202221456273.3U
Authority: CN
Inventors: 王守卫; 李洪伟; 齐斌; 豆龙涛; 陈金玥
Original assignee: Contec Medical Systems Co Ltd
Current assignee: Contec Medical Systems Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-22
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses an external counterpulsation inflating and exhausting device, which is applied to the technical field of medical instruments, and two electromagnets are used for respectively driving an air inlet cover plate and an air outlet cover plate, so that the timely response to a control signal can be ensured, and the inflating and exhausting efficiency can be ensured; and set up the exhaust layer of components of a whole that can function independently on roof layer, through carrying out individuation design to the exhaust apparatus that fills, each structure of being convenient for closely cooperates more, and the installation and the dismantlement of being convenient for when strengthening the gas tightness of filling exhaust apparatus are easy to maintain and are changed, increase the economic nature of filling exhaust apparatus.

Description

External counterpulsation air charging and discharging device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an external counterpulsation inflating and exhausting device.

Background

Along with the concern of people on the self health, the noninvasive treatment equipment is increasingly accepted and favored by people.

The external counterpulsation is a method for reducing and eliminating the symptoms of angina pectoris through the external noninvasive pressing of the lower body, it can improve the anoxia-ischemia state of important organs, and is also a medical equipment for preventing and treating cardiovascular and cerebrovascular diseases. The air bags are wrapped on the limbs and the hip, and the air bags are inflated and pressurized in the diastole of the heart to promote the blood in the artery of the limbs to return to the aorta, so that the diastolic pressure is obviously increased, the blood flow is increased for the heart, and the heart load is reduced; the air bag discharges air rapidly in the systolic period of the heart, the pressure is relieved, the systolic pressure in the aorta is reduced, the resistance of the heart in the ejection period is relieved to the maximum extent, and the blood flows to the far end in an accelerating way, so that the counterpulsation effect is achieved. For the external counterpulsation therapeutic apparatus, the quality of the therapeutic effect is greatly related to the air charging and discharging device, which is the pivot for controlling the air charging and discharging of the air bag. The air bag is controlled by inflating and exhausting to realize the ordered in vitro compression and vasodilation, thereby completing the medical process of the external counterpulsation.

In the prior art, the structural member of the air charging and discharging device is integrally designed, the top plate of the air charging and discharging device is integrally designed, the accommodating cavity is separately arranged, and the air charging and discharging operations of the air bag are realized through the matching of the air inlet connecting shaft and the air outlet connecting shaft with the top plate and the accommodating cavity.

However, in the prior art, the structural top plate of the inflation and exhaust device is integrally designed, only one accommodating cavity is used as a channel for inflating and exhausting the air bag, if part of structural parts in the top plate are damaged, the air bag is not convenient to disassemble, overhaul and replace in time, and in the inflation and exhaust operation process of the air bag, the air bag can be interfered with the air bag due to the damage of the part of structural parts, namely, the air leakage phenomenon can occur in the air in the accommodating cavity, and the air tightness is reduced. Therefore, how to provide an external counterpulsation charging and discharging device convenient for maintenance is a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an external counterpulsation air charging and discharging device which is easy to maintain and replace.

In order to solve the technical problem, the utility model provides an external counterpulsation air charging and discharging device, which comprises an air inlet layer, an air bag connecting layer, a top plate layer, a first electromagnet and a second electromagnet;

the air inlet layer is internally provided with an air inlet channel, and the air inlet cover plate is matched with the outlet of the air inlet channel in size; the air bag connecting layer is internally provided with an inflation channel communicated with the air inlet channel, the inflation channel is provided with a through hole connected with the air bag;

the top plate layer comprises an exhaust layer which is arranged in a split mode, an exhaust channel is arranged in the exhaust layer, and the exhaust channel is communicated with the inflation channel; the exhaust layer is internally provided with an exhaust channel exhaust cover plates with mutually matched inlet sizes;

the first electromagnet is connected with the air inlet cover plate through an air inlet connecting shaft so as to drive the air inlet connecting shaft to enable the air inlet cover plate to move along a first axial direction of the air inlet connecting shaft when the first electromagnet is electrified; also comprises a first elastic connecting piece which is provided with a first elastic connecting piece, the air inlet connecting shaft is driven to enable the air inlet cover plate to move along the second axial direction of the air inlet connecting shaft; the second electromagnet is connected with the exhaust cover plate through an air outlet connecting shaft so as to drive the air outlet connecting shaft to enable the exhaust cover plate to move along a third axial direction of the air outlet connecting shaft when the second electromagnet is electrified; the exhaust cover plate is characterized by further comprising a second elastic connecting piece for driving the air outlet connecting shaft to enable the exhaust cover plate to move along the fourth axial direction of the air outlet connecting shaft.

Optionally, one end of the air inlet connecting shaft extends to the inside of the first electromagnet, and one end of the air outlet connecting shaft extends to the inside of the second electromagnet.

Optionally, the first electromagnet drives the air inlet connecting shaft to move in a direction away from the first electromagnet when the first electromagnet is powered on, and the second electromagnet drives the air outlet connecting shaft to move in a direction away from the second electromagnet when the second electromagnet is powered on.

Optionally, the first elastic connecting piece is a spring, and the second elastic connecting piece is a spring.

Optionally, a sealing ring is arranged on one side of the air inlet cover plate facing to the outlet of the air inlet channel, to sealingly connect with the outlet of the exhaust passage when the intake cover plate covers the inlet passage outlet; a sealing ring is arranged on one side of the exhaust cover plate facing the inlet of the exhaust passage, to sealingly engage the exhaust passage inlet when the exhaust cover plate covers the exhaust passage inlet.

Optionally, a first groove body and a second groove body which are separated from each other are arranged in the air bag connecting layer, and the first groove body is communicated with the second groove body; the first tank body is communicated with the air inlet channel, and the first tank body and/or the second tank body are/is provided with through holes connected with the air bag.

Optionally, the first groove body and the second groove body are provided with through holes connected with the air bag, the through holes arranged on the first groove body are located on the side of the first groove body facing away from the second groove body, and the through holes arranged on the second groove body are located on the side of the second groove body facing away from the first groove body.

Optionally, the top plate layer comprises an electromagnet inflation layer and an exhaust layer which are separated from each other, the electromagnet inflation layer is sealed with the first groove body, and the exhaust layer is sealed with the second groove body.

Optionally, the first electromagnet is arranged on the side surface of the electromagnet inflating layer, which faces away from the air inlet layer, and a bearing which is connected with the air inlet connecting shaft in a matched manner is arranged in the electromagnet inflating layer.

Optionally, the air inlet layer is provided with an air inlet channel inlet side surface and is provided with a valve body connecting layer, the valve body connecting layer is provided with a connecting through hole matched with the air inlet channel inlet, one end of the connecting through hole is communicated with the air inlet channel inlet, and the other end of the connecting through hole is provided with an air tank connecting port.

The utility model provides an external counterpulsation charging and discharging device, which comprises an air inlet layer, an air bag connecting layer, a top plate layer, a first electromagnet and a second electromagnet; an air inlet channel is arranged in the air inlet layer, the size of the air inlet cover plate is matched with that of the outlet of the air inlet channel; an inflation channel communicated with the air inlet channel is arranged in the air bag connecting layer, and the inflation channel is provided with a through hole connected with the air bag; the top plate layer comprises an exhaust layer which is arranged in a split manner, an exhaust channel is arranged in the exhaust layer, and the exhaust channel is communicated with the inflation channel; an exhaust cover plate matched with the size of the inlet of the exhaust channel is arranged in the exhaust layer; the first electromagnet is connected with the air inlet cover plate through the air inlet connecting shaft so as to drive the air inlet connecting shaft to enable the air inlet cover plate to move along the first axial direction of the air inlet connecting shaft when the first electromagnet is electrified; the first elastic connecting piece is used for driving the air inlet connecting shaft to enable the air inlet cover plate to move along the second axial direction of the air inlet connecting shaft; the second electromagnet is connected with the exhaust cover plate through the air outlet connecting shaft so as to drive the air outlet connecting shaft to enable the exhaust cover plate to move along the third axial direction of the air outlet connecting shaft when the second electromagnet is electrified; the air outlet connecting shaft is driven by the second elastic connecting piece to enable the exhaust cover plate to move along the fourth axial direction of the air outlet connecting shaft.

The air inlet cover plate and the air exhaust cover plate are respectively driven by the two electromagnets, so that timely response to control signals can be ensured, and the air charging and exhausting efficiency is ensured; and set up the exhaust layer of components of a whole that can function independently on roof layer, through carrying out individuation design to the exhaust apparatus that fills, each structure of being convenient for closely cooperates more, and the installation and the dismantlement of being convenient for when strengthening the gas tightness of filling exhaust apparatus are easy to maintain and are changed, increase the economic nature of filling exhaust apparatus.

Drawings

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

Fig. 1 is a schematic structural view of an external counterpulsation charging and discharging device provided by an embodiment of the utility model;

fig. 2 is a schematic view of the exploded structure of fig. 1.

In the figure: 1. air inlet layer, 2 air bag connecting layer, 3 air exhaust layer, 31 first air exhaust layer, 32 second air exhaust layer, 4 first electromagnet 5, a second electromagnet, 6, an air inlet cover plate, 7, an exhaust cover plate, 8, an air inlet connecting shaft, 9, an air outlet connecting shaft 10, a first elastic connecting piece, 11, a second elastic connecting piece, 12, a first groove body, 13, a second groove body, 14, an electromagnet inflating layer, 15, a bearing, 16, a sealing ring, 17, a valve body connecting layer and 18, a gas tank connecting port.

Detailed Description

The core of the utility model is to provide an external counterpulsation air charging and discharging device. In the prior art, the structural member of the air charging and discharging device is integrally designed, the top plate of the air charging and discharging device is integrally designed, the accommodating cavity is separately arranged, and the air charging and discharging operations of the air bag are realized through the matching of the air inlet connecting shaft and the air outlet connecting shaft with the top plate and the accommodating cavity.

However, in the prior art, the structural top plate of the inflation and exhaust device is integrally designed, only one accommodating cavity is used as a channel for inflating and exhausting the air bag, if part of structural parts in the top plate are damaged, the air bag is not convenient to disassemble, overhaul and replace in time, and in the inflation and exhaust operation process of the air bag, the air bag can be interfered with the air bag due to the damage of the part of structural parts, namely, the air leakage phenomenon can occur in the air in the accommodating cavity, and the air tightness is reduced.

The external counterpulsation air charging and discharging device provided by the utility model respectively drives the air inlet cover plate and the air discharging cover plate through the two electromagnets, so that the timely response to the control signal can be ensured, and the air charging and discharging efficiency is ensured; and set up the exhaust level of components of a whole that can function independently on the roof layer, through carrying out individuation design to structural part among the exhaust apparatus that fills, each structural part of being convenient for closely cooperates more, and the exhaust apparatus that fills is convenient for install and dismantle when the gas tightness of reinforcing fills, easy to maintain and change increase exhaust apparatus's economic nature.

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an external counterpulsation air charging and discharging device according to an embodiment of the present invention; fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Referring to fig. 1 and fig. 2, in the embodiment of the present invention, the external counterpulsation charging and discharging device includes an air inlet layer 1, an air bag connecting layer 2, a top plate layer, a first electromagnet 4 and a second electromagnet 5; an air inlet channel is arranged in the air inlet layer 1, the air inlet cover plate 6 is matched with the outlet of the air inlet channel in size; the air bag connecting layer 2 is internally provided with the air bag an air charging channel communicated with the air inlet channel, the inflation channel is provided with a through hole connected with the air bag; the top plate layer comprises an exhaust layer 3 which is arranged in a split mode, an exhaust channel is arranged in the exhaust layer 3, and the exhaust channel is communicated with the inflation channel; an exhaust cover plate 7 matched with the size of the inlet of the exhaust channel is arranged in the exhaust layer 3; the first electromagnet 4 is connected with the air inlet cover plate 6 through an air inlet connecting shaft 8, so that the air inlet cover plate 6 is driven to move along a first axial direction of the air inlet connecting shaft 8 by the air inlet connecting shaft 8 when the first electromagnet is electrified; a first elastic connecting piece 10 is arranged in the air inlet layer 1, to drive the air inlet connecting shaft 8 to move the air inlet cover plate 6 along the second axial direction of the air inlet connecting shaft 8; the second electromagnet 5 is connected with the exhaust cover plate 7 through an air outlet connecting shaft 9, so that the air outlet connecting shaft 9 is driven to enable the exhaust cover plate 7 to move along a third axial direction of the air outlet connecting shaft 9 when the second electromagnet is electrified; and a second elastic connecting piece 11 is arranged in the exhaust layer 3 to drive the air outlet connecting shaft 9 to enable the exhaust cover plate 7 to move along the fourth axial direction of the air outlet connecting shaft 9.

The embodiment of the utility model provides an in vitro counterpulsation fill among the exhaust apparatus structure that relates to gas passage generally divide into the three-layer, and it is intake layer 1, gasbag articulamentum 2 and top plate layer respectively, is provided with inlet channel among the intake layer 1 wherein, specifically needs form inlet channel entry and inlet channel export on intake layer 1 surface. Usually, the intake passage needs to have at least one bent portion near the outlet of the intake passage, therefore, an air inlet cover plate 6 matched with the size of the outlet of the air inlet channel can be arranged in the air inlet layer 1, and the air inlet cover plate 6 can close the outlet of the air inlet channel and disconnect the air inlet channel.

An inflation channel communicated with the air inlet channel is arranged in the air bag connecting layer 2, and the inflation channel is provided with a through hole connected with the air bag. The air bag connecting layer 2 is mainly used for connecting with an air bag, an inflation channel is arranged in the air bag connecting layer 2, the charge air channel inlet needs to communicate with the intake air channel outlet so that the charge air channel communicates with the intake air channel. The inflation channel needs to be provided with a through hole connected with the air bag, namely the air bag connecting layer 2 needs to be provided with a through hole connected with the air bag, the through hole is used for communicating the inflation channel with the inner space of the air bag, so that the air bag is inflated. The air bag connection layer 2 is provided with an inflation channel outlet in addition to the above-mentioned through-hole to communicate with the air release layer 3.

The top plate layer includes the exhaust layer 3 separately, that is, the structure of the exhaust layer 3 may be separated from other structures of the top plate layer. Of course, it is necessary to ensure that the exhaust layer 3 is hermetically connected with other structures of the top plate layer during use, so as to prevent gas leakage. An exhaust channel is arranged in the exhaust layer 3, and an exhaust channel inlet is arranged in the exhaust layer 3 and needs to be communicated with an outlet of the restart channel, so that the exhaust channel and the inflation channel are communicated with each other. The exhaust channel needs to be communicated with the outside for exhausting, and an exhaust cover plate 7 matched with the size of the inlet of the exhaust channel needs to be arranged in the exhaust layer 3, so that the exhaust cover plate 7 can seal the inlet of the exhaust channel and disconnect the exhaust channel from the inflation channel.

The embodiment of the present invention provides a first electromagnet 4 and a second electromagnet 5, wherein the first electromagnet 4 is connected to the air intake cover 6 through an air intake connecting shaft 8 to control the position of the air intake cover 6. Specifically, air inlet connecting axle 8 divide into first axial and second axial along its axial the embodiment of the utility model provides an in the embodiment first electro-magnet 4 can drive air inlet connecting axle 8 along first axial removal to drive air inlet cover 6 along first axial removal. Still including first elastic connection spare 10, this first elastic connection spare 10 can drive air intake apron 6 and move along the second axial to realize air intake apron 6 along the axial reciprocating motion of air inlet connecting axle 8 through the cooperation of first electro-magnet 4 and first elastic connection spare 10, realize the control of filling and discharging to gas. Usually, the first elastic connector 10 is arranged in the air intake layer 1.

Correspondingly, the second electromagnet 5 is connected with the exhaust cover plate 7 through an air outlet connecting shaft 9 so as to control the position of the exhaust cover plate 7. Specifically, gas outlet connecting axle 9 divide into third axial and fourth axial along its axial the embodiment of the utility model provides an in the embodiment second electro-magnet 5 can drive gas outlet connecting axle 9 along third axial displacement to drive exhaust cover 7 along third axial displacement. The gas charging and discharging device is characterized by further comprising a second elastic connecting piece 11, wherein the second elastic connecting piece 11 can drive the exhaust cover plate 7 to move along the fourth axial direction, so that the exhaust cover plate 7 can reciprocate along the axial direction of the gas outlet connecting shaft 9 through the matching of the second electromagnet 5 and the second elastic connecting piece 11, and the gas charging and discharging control is realized. Typically, the first elastic connector 10 is arranged in particular in the inflation channel.

Specifically, in the embodiment of the present invention, one end of the air inlet connecting shaft 8 extends into the first electromagnet 4, one end of the air outlet connecting shaft 9 extends into the second electromagnet 5. That is, one end of the air inlet connecting shaft 8 extends into the first electromagnet 4, so that the first electromagnet 4 drives the air inlet connecting shaft 8. Correspondingly, one end of the air outlet connecting shaft 9 extends into the second electromagnet 5, and the air outlet connecting shaft 9 needs to be capable of sliding relative to the second electromagnet 5, so that the second electromagnet 5 drives the air outlet connecting shaft 9.

Normally, the first electromagnet 4 drives the air inlet connecting shaft 8 to move away from the first electromagnet 4 when being powered on, and the second electromagnet 5 drives the air outlet connecting shaft 9 to move away from the second electromagnet 5 when being powered on. When the first electromagnet 4 is energized, the first electromagnet 4 generates a longitudinal force on the intake port connecting shaft 8. Specifically, the first electromagnet 4 has magnetism after being electrified, and the air inlet connecting shaft 8 inside the first electromagnet 4 is magnetized to have the same magnetism as the first electromagnet 4, so that the air inlet connecting shaft 8 is pressed downwards to move towards the direction far away from the first electromagnet 4 according to the principle that like poles repel each other. Accordingly, when the second electromagnet 5 is energized, the second electromagnet 5 generates a longitudinal force on the outlet connecting shaft 9. Specifically, the second electromagnet 5 has magnetism after being electrified, and the air outlet connecting shaft 9 inside the second electromagnet is magnetized to have the same magnetism as the second electromagnet 5, so that the air outlet connecting shaft 9 is pressed downwards to move towards the direction far away from the second electromagnet 5 according to the principle that like poles repel each other.

When the air inlet cover plate 6 is not electrified, namely in a natural state, under the action of the first elastic connecting piece 10, the outlet of the air inlet channel can be closed by the air inlet cover plate 6, and the air inlet channel is disconnected from the inflation channel; at the same time, under the action of the second elastic connecting piece 11, the exhaust cover plate 7 is moved away, so that the inflation channel is communicated with the exhaust channel, and the air bag can be exhausted. When the air charging device is electrified, the first electromagnet 4 drives the air inlet cover plate 6 to move away, so that the air inlet channel is communicated with the air charging channel; meanwhile, the second electromagnet 5 drives the exhaust cover plate 7 to seal the inlet of the exhaust channel, and the exhaust channel is disconnected from the inflation channel, so that the airbag is inflated. The air charging and discharging operation of the air bag is completed by repeatedly switching on and off the power.

Of course, the air inlet connecting shaft 8 and/or the air outlet connecting shaft 9 may also have magnetism, so that when the first electromagnet 4 and/or the second electromagnet 5 is powered on, the corresponding connecting shaft may be specifically pulled close to drive the air inlet cover plate 6 and/or the air outlet cover plate 7 to move towards the corresponding electromagnet. The corresponding elastic connecting piece can exert forces in different directions on the air inlet cover plate 6 and/or the exhaust cover plate 7 under different compression and stretching states, therefore, the embodiment of the present invention does not specifically limit the specific position of the elastic connection member and the specific driving direction of the connection shaft by the electromagnet, depending on the specific situation. Meanwhile, the two electromagnets can be electrified respectively, and charging is not needed simultaneously. According to different charging and discharging logics, the states of the elastic connecting pieces are specifically set, the driving directions of the electromagnets are specifically different, the specific setting positions of the elastic connecting pieces are not specifically limited, and as long as the connection between the inflation channel and the air inlet channel and the disconnection between the inflation channel and the air outlet channel can be ensured when the air bag is inflated; when in exhaust, the inflation channel is ensured to be communicated with the exhaust channel and disconnected with the air inlet channel.

Specifically, in the embodiment of the present invention, the first elastic connecting member 10 is a spring, and the second elastic connecting member 11 is a spring. Of course, other elastic components may be used as the elastic connecting member in the embodiment of the present invention, and are not limited in particular. In order to be connected with the spring conveniently, the lower side of the air inlet cover plate 6 can be provided with an air inlet circular ring plate which is integrally designed with the air inlet cover plate 6 and distributed by taking the air inlet connecting shaft 8 as the center so as to be sleeved with the spring. Correspondingly, in order to be connected with the spring conveniently, the lower side of the exhaust cover plate 7 can be provided with an exhaust circular ring plate which is integrally designed with the exhaust cover plate 7, and a circular groove body can be arranged at the position of the inflation channel corresponding to the exhaust circular ring plate so as to be sleeved with the spring. The first elastic member is moved by a distance generally from the bottom end of the intake port connecting shaft 8 to the bottom end of the intake passage, and the second elastic member is moved by a distance generally from the bottom end of the exhaust ring plate to the surface of the circular groove.

Specifically, in the embodiment of the present invention, a sealing ring 16 is disposed on one side of the air intake cover plate 6 facing the air intake passage outlet, so as to be in sealing connection with the exhaust passage outlet when the air intake cover plate 6 covers the air intake passage outlet; the side of the exhaust cover plate 7 facing the exhaust channel inlet is provided with a sealing ring 16 to be in sealing connection with the exhaust channel inlet when the exhaust cover plate 7 covers the exhaust channel inlet.

The sealing rings 16 arranged on the air inlet cover plate 6 and the air outlet cover plate 7 can realize air-tight connection when the air inlet cover plate 6 covers the outlet of the air inlet channel; accordingly, a gas-tight connection can also be achieved when the exhaust cover plate 7 covers the exhaust duct inlet. It should be noted that, the inlet passage outlet and the inlet of the charging passage may refer to the same structure, the corresponding inflation channel outlet and exhaust channel inlet may also refer to the same structure. The air inlet layer 1 can only be provided with a groove body, and after the air inlet layer 1 is fixedly connected with the air bag connecting layer 2, the groove body of the air inlet layer 1 is sealed through the lower surface of the air bag connecting layer 2 to form the air inlet channel.

In the embodiment of the present invention, a first groove 12 and a second groove 13 are separately disposed in the airbag connecting layer 2, and the first groove 12 and the second groove 13 are communicated with each other; the first tank body 12 is communicated with the air inlet channel, and a through hole connected with an air bag is formed in the first tank body 12 and/or the second tank body 13.

The first groove body 12 and the second groove body 13 can be separated from each other, so that the whole airbag connecting layer 2 is of a split structure. Above-mentioned first cell body 12 and second cell body 13 need communicate each other to form the channel of aerifing, whole channel of aerifing this moment is two chamber cell bodies that hold, and each structure of being convenient for closely cooperates more, and the reinforcing fills exhaust apparatus's gas tightness, convenient to detach simultaneously, easy to maintain and change increase and fill exhaust apparatus's economic nature, under the normal conditions, can set up the baffle between first cell body 12 and second cell body 13 and separate, and baffle department sets up the through-hole and carries out the intercommunication of two cell bodies. In the embodiment of the present invention, at least one of the first tank 12 and the second tank 13 needs to be provided with a through hole to connect with the airbag, so as to realize the inflation and deflation of the airbag, the through hole of the first tank body 12 is located on one side of the first tank body 12 back to the second tank body 13, and the through hole of the second tank body 13 is located on one side of the second tank body 13 back to the first tank body 12. In particular, the method comprises the following steps of, in the embodiment of the present invention, the first tank 12 and the second tank 13 are both provided with through holes connected to the airbag. Namely, through holes can be simultaneously arranged in the first groove body 12 and the second groove body 13, so that the first groove body and the second groove body are connected with the air bag, and the air bag can be inflated and deflated. In the first tank 12, the through-hole provided for attaching the airbag generally needs to be located on the side facing away from the second tank 13, and in the second tank 13, the through-hole provided for attaching the airbag generally needs to be located on the side facing away from the first tank 12.

Specifically, in the embodiment of the present invention, the top plate layer includes an electromagnet inflating layer 14 and the exhaust layer 3 which are separated from each other, the electromagnet inflating layer 14 seals the first groove body 12, and the exhaust layer 3 seals the second groove body 13.

In general, the first electromagnet 4 may be fixedly connected to the electromagnet pneumatic layer 14 by bolts, and the second electromagnet 5 may be fixedly connected to the exhaust layer 3 by bolts. The electromagnet inflating layer 14 and the exhaust layer 3 can be separated from each other, so that the whole top plate layer is of a split structure. The electromagnet inflating layer 14 needs to close the first groove body 12, and the exhaust layer 3 needs to close the second groove body 13, so that an inflating channel is formed. Sealing rings 16 are usually required to be arranged between the electromagnet inflating layer 14 and the first tank 12 and between the exhaust layer 3 and the second tank 13, that is, the sealing rings 16 are arranged around the upper part of the two tanks to ensure the air tightness of the inflating channel in the using process and ensure the airtight contact among all the components.

Specifically, the first electromagnet 4 is arranged on the surface of the electromagnet inflating layer 14, which faces away from the air inlet layer 1, and a bearing 15 which is connected with the air inlet connecting shaft 8 in a matched manner is arranged in the electromagnet inflating layer 14.

Because the air inlet connecting shaft 8 is long, a bearing 15 which is matched and connected with the air inlet connecting shaft 8 is arranged in the electromagnet inflating layer 14, the bearing 15 is usually a linear bearing 15, the air inlet connecting shaft 8 can conveniently penetrate through the bearing 15 to be sleeved with the first electromagnet 4, and the air inlet connecting shaft 8 is assisted to move longitudinally.

Generally, the exhaust layer 3 may be divided into two layers, namely a first exhaust layer 31 and a second exhaust layer 32, wherein the first exhaust layer 31 is located below the second exhaust layer 32, the first exhaust layer 31 contacts with the second slot 13 to form an inflation channel, a circular slot is arranged in the middle of the first exhaust layer 31, and a through hole is arranged below the circular slot to form an inlet of the exhaust channel. The middle part of the second exhaust layer 32 can be provided with a linear bearing 15, so that the air outlet connecting shaft passes through the linear bearing 15 to be sleeved with the second electromagnet 5 conveniently, and the air outlet connecting shaft is assisted to move longitudinally.

Specifically, in the embodiment of the utility model, air inlet layer 1 is provided with inlet channel entry a side surface and is provided with valve body articulamentum 17, valve body articulamentum 17 be provided with inlet channel entry matched with connect the via hole, connect the via hole's one end with the inlet channel entry is linked together, connect the via hole's the other end is provided with gas pitcher connector 18.

The valve body connecting layer 17 is mainly used for connecting the air tank connecting port 18 with the air inlet layer 1 and communicating the air tank with the air inlet channel. Valve body articulamentum 17 is equipped with the through-hole, and it is corresponding with the inlet channel entry, and valve body articulamentum 17's through-hole edge is equipped with O type sealing washer 16 usually, and valve body articulamentum 17 can be fixed through the screw with inlet layer 1, makes valve body articulamentum 17 through-hole and inlet layer 1 through-hole carry out sealing contact through O type sealing washer 16 this moment, prevents that gas leakage.

The embodiment of the utility model provides an external counterpulsation fills exhaust apparatus, when its circular telegram and when aerifing it through gas pitcher connector 18, first electro-magnet 4 and second electro-magnet 5 circular telegram simultaneously, first electro-magnet 4 circular telegram produces the longitudinal force to air inlet connecting axle 8 this moment, force air inlet connecting axle 8 to move downwards, air inlet cover plate 6 and gasbag connecting layer 2 of air inlet connecting axle 8 produce the passageway of accessible gas this moment, gas gets into first cell body 12 in gasbag connecting layer 2, and carry gas to gasbag and the second cell body 13 that first cell body 12 side is connected simultaneously; meanwhile, when the second electromagnet 5 is electrified, a longitudinal moving force is generated at the air outlet connecting shaft 9, so that the air outlet connecting shaft 9 moves downwards, the air outlet cover plate of the air outlet connecting shaft 9 is in sealing contact with the bottom of the first exhaust layer 31, the air is prevented from entering the exhaust layer 3, and then the air enters the air bag to complete the air inflation operation on the air bag; when the gas in the airbag is exhausted, the first electromagnet 4 and the second electromagnet 5 are powered off, the gas inlet connecting shaft 8 and the gas outlet connecting shaft 9 are restored to the natural state, the gas inlet cover plate 6 of the gas inlet connecting shaft 8 is in sealing contact with the bottom of the first groove body 12, the gas in the gas inlet layer 1 cannot enter the airbag connecting layer 2, meanwhile, the gas outlet cover plate of the gas outlet connecting shaft 9 is separated from the first exhaust layer 31, a channel capable of enabling the gas to pass is generated, the gas in the airbag enters the exhaust layer 3 after passing through the airbag connecting layer 2, and the gas in the airbag is discharged through the exhaust layer 3; the air charging and discharging operation of the air bag is completed by repeatedly switching on and off the power.

The air inlet cover plate 6 and the air exhaust cover plate 7 are respectively driven by the two electromagnets, so that timely response to control signals can be ensured, and the air charging and exhausting efficiency can be ensured; and set up the exhaust layer 3 of components of a whole that can function independently on the roof layer, through carrying out individuation design to the structure among the exhaust apparatus that fills, each structure of being convenient for closely cooperates more, and the installation and the dismantlement of being convenient for when strengthening the gas tightness of filling exhaust apparatus are easy to maintain and are changed, increase the economic nature of filling exhaust apparatus.

The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.

Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The external counterpulsation air charging and discharging device provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. An external counterpulsation air charging and discharging device is characterized by comprising an air inlet layer, an air bag connecting layer, a top plate layer, a first electromagnet and a second electromagnet;

the air inlet layer is internally provided with an air inlet channel, and an air inlet cover plate matched with the outlet of the air inlet channel in size; an inflation channel communicated with the air inlet channel is arranged in the air bag connecting layer, and the inflation channel is provided with a through hole connected with the air bag;

the top plate layer comprises an exhaust layer which is arranged in a split mode, an exhaust channel is arranged in the exhaust layer, and the exhaust channel is communicated with the inflation channel; an exhaust cover plate matched with the size of the inlet of the exhaust channel is arranged in the exhaust layer;

the first electromagnet is connected with the air inlet cover plate through an air inlet connecting shaft so as to drive the air inlet connecting shaft to enable the air inlet cover plate to move along a first axial direction of the air inlet connecting shaft when the first electromagnet is electrified; the first elastic connecting piece is used for driving the air inlet connecting shaft to enable the air inlet cover plate to move along the second axial direction of the air inlet connecting shaft; the second electromagnet is connected with the exhaust cover plate through an air outlet connecting shaft so as to drive the air outlet connecting shaft to enable the exhaust cover plate to move along a third axial direction of the air outlet connecting shaft when the second electromagnet is electrified; the air outlet connecting shaft is driven by the second elastic connecting piece to enable the air outlet connecting shaft to enable the exhaust cover plate to move along the fourth axial direction of the air outlet connecting shaft.

2. The external counterpulsation charging and discharging device according to claim 1, wherein one end of said air inlet connecting shaft extends inside said first electromagnet and one end of said air outlet connecting shaft extends inside said second electromagnet.

3. The apparatus of claim 2, wherein the first electromagnet, when energized, drives the air inlet connection axially away from the first electromagnet, and the second electromagnet, when energized, drives the air outlet connection axially away from the second electromagnet.

4. The external counterpulsation charging and discharging device according to claim 3, the first elastic connecting piece is a spring, and the second elastic connecting piece is a spring.

5. The external counterpulsation air charging and discharging device according to claim 3, wherein a sealing ring is arranged on the side of said air inlet cover plate facing to said air inlet channel outlet to be in sealing connection with said air outlet channel outlet when said air inlet cover plate covers said air inlet channel outlet; and a sealing ring is arranged on one side of the exhaust cover plate facing the inlet of the exhaust channel, so that the exhaust cover plate is in sealing connection with the inlet of the exhaust channel when covering the inlet of the exhaust channel.

6. The external counterpulsation charging and discharging device according to claim 1, wherein a first groove body and a second groove body which are separated from each other are arranged in the air bag connecting layer, and the first groove body is communicated with the second groove body; the first tank body is communicated with the air inlet channel, and the first tank body and/or the second tank body are/is provided with through holes connected with the air bag.

7. The external counterpulsation inflation and deflation device according to claim 6, wherein the first tank body and the second tank body are both provided with through holes connected with the air bag, the through holes provided in the first tank body are located on the side of the first tank body facing away from the second tank body, and the through holes provided in the second tank body are located on the side of the second tank body facing away from the first tank body.

8. The external counterpulsation charging and discharging device according to claim 6, wherein said top plate layer comprises an electromagnet inflatable layer and said gas discharge layer separated from each other, said electromagnet inflatable layer enclosing said first slot and said gas discharge layer enclosing said second slot.

9. The device according to claim 8, wherein the first electromagnet is disposed on a side surface of the electromagnet inflatable layer opposite to the air inlet layer, and a bearing is disposed in the electromagnet inflatable layer and is connected to the air inlet connecting shaft.

10. The external counterpulsation charging and discharging device according to claim 1, wherein said air intake layer is provided with a valve body connecting layer on the surface of the inlet side of the air intake channel, the valve body connecting layer is provided with a connecting through hole matched with the inlet of the air inlet channel, one end of the connecting through hole is communicated with the inlet of the air inlet channel, and the other end of the connecting through hole is provided with an air tank connecting port.