CN108158575B - Conductive liquid self-coating electrocardiogram chest lead connector - Google Patents
Conductive liquid self-coating electrocardiogram chest lead connector Download PDFInfo
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- CN108158575B CN108158575B CN201711475601.8A CN201711475601A CN108158575B CN 108158575 B CN108158575 B CN 108158575B CN 201711475601 A CN201711475601 A CN 201711475601A CN 108158575 B CN108158575 B CN 108158575B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/251—Means for maintaining electrode contact with the body
- A61B5/252—Means for maintaining electrode contact with the body by suction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/30—Input circuits therefor
- A61B5/303—Patient cord assembly, e.g. cable harness
Abstract
The invention discloses a conductive liquid self-coating electrocardiogram chest lead connector, which belongs to the field of electrocardiogram instrument components and comprises an electrode cup, a negative pressure bag, a ring groove cylinder, a hand pressure cylinder and a liquid outlet hole, wherein electromagnets and permanent magnet rows are respectively arranged at the bottom of the hand pressure cylinder and on the inner side wall and the outer side wall of the ring groove cylinder, the permanent magnet rows are a row of permanent magnets with gradually increased magnetism arranged at equal intervals, and the magnetism of the permanent magnets is opposite to that of the electromagnets; two sealing plates with close ends mutually matched in a staggered manner are arranged above the liquid outlet hole, a second electromagnet is arranged at the close end of each sealing plate, a second permanent magnet with the opposite magnetism to the second electromagnet is arranged in the side wall of the annular groove barrel, and an arc-shaped spring column is connected between each sealing plate and the bottom of the annular groove of each permanent magnet. The invention can realize the automatic control of the hand pressing cylinder, ensure the forward downward pressing of the hand pressing cylinder, keep the constant change of the force application, achieve the purpose of uniformly coating the conductive liquid and avoid influencing the fixing stability of the connector relative to the human body; the accurate control of the conductive liquid in and out is ensured, and the waste of the conductive liquid is avoided.
Description
Technical Field
The invention relates to the field of electrocardiogram instrument components, in particular to a conductive liquid self-coating electrocardiogram chest lead connector.
Background
The electrocardiograph is invented by Weilian Aintoufen (W.Einthoven, 1860-1927). The electrocardiogram instrument can automatically record the bioelectric signals (electrocardio signals) generated by the excitation of cardiac muscle during the heart activity, and is a medical electronic instrument commonly used for clinical diagnosis and scientific research. The method is generally divided into the following parts according to the number of output channels of a recorder in China: single-channel, three-channel, six-channel and twelve-channel electrocardiographs and the like. The medical conductive liquid adopts an ionic membrane conductive technology, has the advantages of rapid film formation, strong and durable conductivity, no need of secondary cleaning and the like, and is an ideal substitute of the conductive paste. The conductive liquid has quite wide application value in the fields of clinical medical electrocardiogram, electroencephalogram, defibrillator examination and the like.
In patent publication No. CN 101627908B, a ring-pressing electrocardiogram chest lead connector is disclosed, which comprises a negative pressure bag, an electrode cup, a hand pressing cylinder, a ring groove cylinder, a rubber ring and a liquid outlet hole. The hand pressing cylinder is a cylinder body with a T-shaped longitudinal section, and the lower end of the hand pressing cylinder is positioned in the annular groove of the annular groove cylinder. The electrode cup is in an inverted funnel shape, and the bottom of the electrode cup and the inner wall of the annular groove cylinder are integrated. When the conductive liquid coating device is used, the conductive liquid is uniformly distributed in the annular groove, the hand pressing cylinder is pressed downwards in the forward direction, and the liquid pressure of each liquid outlet hole is equal, so that the conductive liquid is ensured to flow out of the liquid outlet holes at the same speed, and the purpose of uniformly coating the conductive liquid is promoted. However, it has the following disadvantages: firstly, the manual operation of pressing the hand pressing barrel cannot guarantee the forward downward pressing of the hand pressing barrel, and the manual operation is difficult to keep the constant change of force application, so that the pressure on the hand pressing barrel is not uniform, and the slipping phenomenon can occur in the process of pressing the hand pressing barrel, which can easily cause the problem that the purpose of uniformly coating the conductive liquid cannot be realized, and can also influence the fixing stability of the connector relative to the human body; and the liquid outlet hole is always communicated with the annular groove for containing the conductive liquid, and under the condition that the hand pressing cylinder is not pressed, part of the conductive liquid possibly overflows from the liquid outlet hole, so that the waste of the conductive liquid is possibly caused.
Disclosure of Invention
1. Technical problem to be solved
The technical problem to be solved by the invention is to provide a conductive liquid self-coating type electrocardiogram chest lead connector, which realizes the automatic control of a hand pressing cylinder, ensures the positive downward pressing of the hand pressing cylinder, can keep the constant change of force application, achieves the purpose of uniformly coating the conductive liquid and avoids influencing the fixing stability of the connector relative to a human body; the accurate control of the conductive liquid in and out can be ensured, and the waste of the conductive liquid is avoided.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a conductive liquid self-coating type electrocardiogram chest lead connector comprises an electrode cup 1, a negative pressure bag, a ring groove barrel, a hand pressing barrel and a liquid outlet hole, wherein the electrode cup 1 is in an inverted funnel shape, the opening of the negative pressure bag surrounds the outer side of an upper port of the electrode cup 1, the inner side wall of the ring groove barrel and the bottom of the electrode cup 1 are integrated, a ring groove with an upward opening is arranged in the ring groove barrel, the liquid outlet hole is uniformly arranged at the bottom of the ring groove barrel, and the side wall of the lower end of the hand pressing barrel is attached to the wall of the ring groove;
the bottom of the hand pressing cylinder is completely embedded and uniformly provided with at least two pairs of electromagnets I along the circumference of the hand pressing cylinder, two bodies of each pair of electromagnets I have the same magnetism and are respectively arranged at two sides of the bottom of the hand pressing cylinder, the side wall of the annular groove cylinder is completely embedded and provided with at least two pairs of permanent magnet rows which correspond to the electromagnets I one by one, two row bodies of each pair of permanent magnet rows are respectively arranged in the inner side wall and the outer side wall of the annular groove cylinder, the permanent magnet rows are a row of permanent magnets which are longitudinally arranged at equal intervals and have gradually increased magnetism, and the magnetism of the permanent magnets is opposite to that; all the electromagnets are connected together through electric leads, and the electric leads are arranged in the cylinder wall of the hand-pressing cylinder, extend to the upper end of the hand-pressing cylinder and penetrate out of the cylinder wall of the hand-pressing cylinder from the side wall of the end;
the liquid outlet device is characterized in that two sealing plates which are oppositely arranged and symmetrical about the longitudinal section of the liquid outlet hole are arranged above the liquid outlet hole, the near-phase ends of the sealing plates are in a strip tooth shape and are mutually staggered and matched, two electromagnets with the same magnetism are also arranged inside the close ends of the sealing plates, a rotating shaft is fixed outside the far-phase ends of the sealing plates, the rotating shaft is rotatably connected to the bottom of the circular groove, the length direction of the rotating shaft is parallel to the bottom of the circular groove, the height difference between the upper end surface of the sealing plate and the central point of the rotating shaft is equal to the height difference between the central point of the rotating shaft and the top of the permanent magnets, permanent magnets with the opposite magnetism to the electromagnets are arranged at the inner bottom of the inner side wall and the outer side wall of the circular groove barrel, inner grooves for rotating the free ends of the sealing plates are arranged on the wall of the circular groove corresponding, the elasticity of the arc-shaped spring column is smaller than the magnetic attraction force of the permanent magnet to the electromagnet II; the electromagnets in the inner side wall and the outer side wall of the annular groove cylinder are respectively connected together through two electric leads, the electric leads in the inner side wall and the outer side wall are connected in the cylinder wall at the bottom of the annular groove cylinder, and the electric leads in the outer side wall of the annular groove cylinder extend to the upper end of the annular groove cylinder and penetrate out of the cylinder wall of the annular groove cylinder from the upper end.
Furthermore, the liquid outlet holes correspond to each pair of permanent magnet rows one to one, the liquid outlet holes are formed in the bottom of the longitudinal section where each pair of permanent magnet rows are located, the second permanent magnet is the permanent magnet at the bottommost part of each permanent magnet row, and the first electromagnet and the second electromagnet have the same magnetism. The second permanent magnet and the permanent magnet at the bottommost part of the permanent magnet row are combined into a whole, so that the second permanent magnet is used as a driving auxiliary component of the second electromagnet and one of driving components of the first electromagnet, parts can be effectively saved, the structure is simplified, and the processing and the assembly are convenient. Correspondingly, the relative positions of the liquid outlet hole and the permanent magnet row are limited, and the magnetism of the first electromagnet and the magnetism of the second electromagnet must be the same, so that the working requirement based on the combination of the second permanent magnet and the permanent magnet at the bottommost part in the permanent magnet row can be met.
Specifically, there are 4 liquid outlet holes, and the hand pressing barrel bottom is along its periphery totally embedded evenly to be equipped with 4 pairs of electro-magnet one. The conducting liquid flows out from the liquid outlet holes to paint the human body detection part, and the liquid outlet holes are at least four to basically meet the requirement for quickly and uniformly painting.
Furthermore, the hand pressing cylinder comprises a tubular cylinder body, and a drawing handle and a piston head which are respectively arranged at the upper end and the lower end of the tubular cylinder body, wherein the side surface of the piston head is attached to the wall of the annular groove, the width of the piston head is greater than that of the tubular cylinder body, and the width of the drawing handle is greater than that of the piston head. Because the hand pressing cylinder plays a role of pushing the piston in the annular groove, a piston head with a side surface attached to the wall of the annular groove is required; in order to facilitate the pulling of the hand pressing barrel and play a role of downward movement limiting on the hand pressing barrel, a pulling handle with the width larger than that of the piston head is arranged; compared with a cylinder body structure with a T-shaped section, the width of the hand pressing cylinder part between the drawing handle and the piston head is reduced, so that the material can be saved, the self weight of the hand pressing cylinder can be reduced, and the position of the hand pressing cylinder can be stabilized by utilizing the friction between the hand pressing cylinder and the groove wall of the annular groove.
3. Advantageous effects
(1) The bottom of the hand pressing cylinder and the inner and outer side walls of the annular cylinder are respectively provided with an electromagnet and a permanent magnet row, the permanent magnet rows are a row of permanent magnets with gradually increased magnetism which are longitudinally arranged at equal intervals, and the magnetism of the permanent magnets is opposite to that of the electromagnet I. After the electromagnet is electrified, the hand pressing cylinder is driven to move downwards under the action of magnetic attraction of the top permanent magnet, and then under the action of magnetic attraction of the permanent magnet with gradually increased primary magnetism, the hand pressing cylinder continuously moves downwards until the bottom of the annular groove is reached, so that automatic control of the hand pressing cylinder is realized, forward downward pressing of the hand pressing cylinder is guaranteed, constant change of force application can be kept, the purpose of uniformly smearing conductive liquid is achieved, and influence on the fixing stability of the connector relative to a human body is avoided. After the electromagnet is powered off, the magnetic attraction of the permanent magnet on the electromagnet disappears, and the handle pressing cylinder can be manually pulled out at the moment so as to realize the reset of the hand pressing cylinder.
(2) According to the invention, the two sealing plates with the similar ends being matched in a staggered manner are arranged above the liquid outlet hole so as to block the communication relation between the liquid outlet hole and the annular groove containing the conductive liquid, so that the phenomenon that the conductive liquid overflows from the liquid outlet hole can be avoided under the condition that the hand-pressing cylinder is not pressed, and the waste of the conductive liquid is avoided; in order to smoothly open the sealing plate in the working state of the device, a second electromagnet with the same magnetism is arranged inside the close end of the sealing plate, the far end of the sealing plate is rotatably connected to the bottom of the annular groove, a second permanent magnet with the opposite magnetism to that of the second electromagnet is arranged at the bottom of each of the inner side wall and the outer side wall of the annular groove barrel, and an arc-shaped spring column is connected between the upper surface of the sealing plate and the bottom of the annular groove at the side where the second permanent magnet is located. After the second electromagnet is electrified, the adjacent ends of the two sealing plates repel each other, and the sealing plates rotate upwards to successfully open the liquid outlet hole under the auxiliary action of the magnetic attraction of the second permanent magnet, so that the conductive liquid can flow out smoothly; after the conductive liquid is coated, the electromagnet II is powered off, the magnetic attraction of the permanent magnet to the electromagnet II disappears, and the sealing plate can return to the original position under the reset action of the arc-shaped spring column.
In conclusion, the automatic control of the hand pressing barrel is realized, the forward downward pressing of the hand pressing barrel is ensured, the constant change of force application can be kept, the purpose of uniformly coating the conductive liquid is achieved, and the fixation stability of the connector relative to a human body is prevented from being influenced; the accurate control of the conductive liquid in and out can be ensured, and the waste of the conductive liquid is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of the region B in FIG. 1;
FIG. 3 is an enlarged view of the structure of the area C in FIG. 1;
fig. 4 is a schematic structural view of a section a-a in fig. 3.
Reference numerals: 1-electrode cup, 2-negative pressure bag, 3-ring groove barrel, 4-hand pressing barrel, 41-tubular barrel, 42-drawing handle, 43-piston head, 5-liquid outlet hole, 6-ring groove, 7-electromagnet I, 8-permanent magnet row, 9-electric lead I, 10-sealing plate, 11-electromagnet II, 12-rotating shaft, 13-permanent magnet II, 14-inner groove, 15-arc spring column and 16-electric lead II.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
The conductive liquid self-coating electrocardiogram chest lead connector shown in fig. 1 comprises an electrode cup 1, a negative pressure bag 2, an annular groove barrel 3, a hand pressing barrel 4 and a liquid outlet hole 5, wherein the electrode cup 1 is inverted funnel-shaped, the opening of the negative pressure bag 2 surrounds the outer side of an upper port of the electrode cup 1, the inner side wall of the annular groove barrel 3 and the bottom of the electrode cup 1 are integrated, an annular groove 6 with an upward opening is arranged in the annular groove barrel 3, the liquid outlet hole 5 is uniformly arranged at the bottom of the annular groove barrel 3, and the side wall of the lower end of the hand pressing barrel 4 is attached to the wall of the annular groove 6;
as shown in fig. 2, at least two pairs of electromagnets one 7 are uniformly arranged at the bottom of the hand pressing barrel 4 along the periphery of the hand pressing barrel in a completely embedded manner, two individuals of each pair of electromagnets one 7 have the same magnetism and are respectively arranged at two sides of the bottom of the hand pressing barrel 4, at least two pairs of permanent magnet rows 8 corresponding to the electromagnets one 7 one by one are completely embedded on the side wall of the ring groove barrel 3, two rows of the permanent magnet rows 8 are respectively arranged in the inner side wall and the outer side wall of the ring groove barrel 3, the permanent magnet rows 8 are a row of permanent magnets with gradually increased magnetism and are longitudinally arranged at equal intervals, and the magnetism of the permanent magnets is opposite to that of the electromagnets one; all the electromagnets I7 are connected together through an electric lead I9, and the electric lead I9 is arranged inside the cylinder wall of the hand pressing cylinder 4 in a row, extends to the upper end of the hand pressing cylinder 4 and penetrates out of the cylinder wall of the hand pressing cylinder 4 from the end side wall;
as shown in fig. 3 and 4, go out liquid hole 5 top and be equipped with two relative settings and about the board 10 that seals of 5 longitudinal section symmetries in liquid hole, the strip tooth shape of the looks near-end of board 10 for crisscross adaptation each other, two seal the inside electro-magnet two 11 that the magnetism is the same that still is equipped with of close end of board 10, the looks distal end outside of sealing board 10 is fixed with pivot 12, pivot 12 rotates and connects in 6 tank bottoms of ring channel, and the length direction of pivot 12 is on a parallel with 6 tank bottoms of ring channel, the difference in height of sealing board 10 up end and 12 central points of pivot equals the difference in height at 12 central points of pivot and two tops of permanent magnet (be convenient for seal board 10 and rotate and can laminate on two 13 of permanent magnet when targetting in place for seal board 10 and be located horizontal position, thereby can satisfy the hand pressure section of thick bamboo 4 and push the demand when electrically conductive liquid to the bottom), the bottom all is equipped with corresponding 12 positions of pivot and the permanent magnet opposite with two Secondly 13, an inner groove 14 for rotating the free end of the sealing plate 10 is formed in the groove wall of the annular groove 6 corresponding to the second permanent magnet 13, and an arc-shaped spring column 15 is connected between the upper surface of the sealing plate 10 and the bottom of the annular groove 6 on the side where the second permanent magnet 13 is located; the electromagnets 11 in the inner side wall and the outer side wall of the ring groove drum 3 are respectively connected together through two electric leads 16, the two electric leads 16 in the inner side wall and the outer side wall are connected in the bottom drum wall of the ring groove drum 3, and the two electric leads 16 in the outer side wall of the ring groove drum 3 extend to the upper end of the ring groove drum 3 and penetrate out of the drum wall of the ring groove drum 3 from the upper end.
In order to save parts and simplify the structure, the liquid outlet holes 5 correspond to each pair of permanent magnet rows 8 one by one, the liquid outlet holes 5 are arranged at the bottoms of the longitudinal sections of the permanent magnet rows 8, the permanent magnet II 13 is the permanent magnet at the bottommost part of the permanent magnet rows 8, and the first electromagnet 7 and the second electromagnet 11 have the same magnetism. The second permanent magnet 13 and the permanent magnet at the bottommost part in the permanent magnet row 8 are combined into a whole, so that the permanent magnet can be used as a driving auxiliary component of the second electromagnet 11 and one of driving components of the first electromagnet 7, parts can be effectively saved, the structure is simplified, and the processing and the assembly are convenient. Correspondingly, the relative positions of the liquid outlet holes 5 and the permanent magnet row 8 are limited to a certain extent, and the magnetism of the first electromagnet 7 and the magnetism of the second electromagnet 11 must be the same, so that the working requirement based on the combination of the second permanent magnet 13 and the bottommost permanent magnet in the permanent magnet row 8 can be met.
In this embodiment, there are four liquid outlet holes 5, and four pairs of electromagnets one 7 are uniformly embedded along the circumference of the bottom of the hand pressing barrel 4. The conducting liquid can flow out of the liquid outlet holes 5 to paint the human body detection part, and the liquid outlet holes 5 can basically meet the requirements only by at least four for quickly and uniformly painting.
In order to reduce the dead weight of the hand pressing cylinder 4, the hand pressing cylinder 4 comprises a tubular cylinder body, and a drawing handle and a piston head which are respectively arranged at the upper end and the lower end of the tubular cylinder body, the side surface of the piston head is attached to the wall of the groove 6 of the annular groove, the width of the piston head is larger than that of the tubular cylinder body, and the width of the drawing handle is larger than that of the piston head. Because the hand pressing cylinder 4 plays a role of pushing the piston in the annular groove 6, a piston head with a side surface attached to the groove wall of the annular groove 6 is required; in order to press the cylinder 4 by the pull handle and play a role of downward movement limiting on the press cylinder 4, the pull handle with the width larger than that of the piston head is arranged; compared with a cylinder body structure with a T-shaped section, the width of the hand pressing cylinder 4 between the drawing handle and the piston head is reduced, so that the material can be saved, the self weight of the hand pressing cylinder 4 can be reduced, and the position of the hand pressing cylinder 4 can be stabilized by utilizing the friction between the hand pressing cylinder 4 and the groove wall of the annular groove 6.
The specific working process of the conductive liquid self-coating electrocardiogram chest lead connector is as follows:
firstly, drawing the hand pressing cylinder 4, pouring the conductive liquid into the annular groove 6, and then installing the hand pressing cylinder 4 to enable the piston head 43 to be positioned above the conductive liquid in the annular groove 6; by controlling the negative pressure bag 2, the electrode cup 1 is stably adsorbed on the human body examination part, then the electromagnet II 11 is electrified, the adjacent ends of the two sealing plates 1010 repel each other, and under the auxiliary action of the magnetic attraction of the permanent magnet II 13, the sealing plates 10 rotate upwards to successfully open the liquid outlet 5, so that the conductive liquid can smoothly flow out of the liquid outlet 55; and then the electromagnet I7 is electrified, the hand pressing cylinder 4 is driven to start to move downwards under the magnetic attraction effect of the permanent magnet closest to the electromagnet I7, and then the hand pressing cylinder 4 continuously moves downwards under the magnetic attraction effect of the permanent magnet with gradually increased magnetism in the first level until the hand pressing cylinder reaches the bottom of the annular groove 6, so that the automatic control of the hand pressing cylinder 4 is realized, and the purpose of uniformly coating the conductive liquid is achieved. After the conductive liquid is coated, the electromagnet I7 is powered off, the magnetic attraction effect of the permanent magnet on the electromagnet I7 disappears, and the handle pressing cylinder 4 can be pulled out manually at the moment so as to realize the reset of the hand pressing cylinder 4; and the second electromagnet 11 is powered off, the magnetic attraction of the second permanent magnet 13 to the second electromagnet 12 disappears, and the sealing plate 10 can return to the original position under the reset action of the arc-shaped spring column 15.
According to the invention, the automatic control of the hand pressing barrel is realized, the forward downward pressing of the hand pressing barrel is ensured, the constant change of the force application can be kept, the purpose of uniformly coating the conductive liquid is achieved, and the influence on the fixing stability of the connector relative to the human body is avoided; the accurate control of the conductive liquid in and out can be ensured, and the waste of the conductive liquid is avoided.
In addition, the invention adopts the magnetic attraction effect of the electromagnet and the permanent magnet to realize the drive control of the hand pressing cylinder and the sealing plate, and can convert part of electromagnetic energy into heat energy through further advanced research so as to heat the conductive liquid, so that the conductive liquid is more suitable for the human body and is beneficial to avoiding the inspection error caused by the stimulation of the cold feeling to the skin of the human body.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a conductive liquid is from scribbling formula heart electrograph chest lead connector, includes electrode cup (1), negative pressure bag (2), an annular section of thick bamboo (3), a hand pressure section of thick bamboo (4) and goes out liquid hole (5), electrode cup (1) is the infundibulate of invering, negative pressure bag (2) opening surrounds in the electrode cup (1) port outside, the inside wall of an annular section of thick bamboo (3) is a whole with the bottom of electrode cup (1), be equipped with ascending ring channel (6) of opening in an annular section of thick bamboo (3), the bottom of ring channel (6) is evenly located in liquid hole (5), the lower extreme lateral wall of a hand pressure section of thick bamboo (4) is attached on the cell wall of ring channel (6); it is characterized in that the preparation method is characterized in that,
the bottom of the hand pressing barrel (4) is completely embedded and uniformly provided with at least two pairs of electromagnets I (7) along the periphery of the hand pressing barrel, two individuals of each pair of electromagnets I (7) have the same magnetism and are respectively arranged on two sides of the bottom of the hand pressing barrel (4), at least two pairs of permanent magnet rows (8) which correspond to the electromagnets I (7) one by one are completely embedded on the side wall of the annular groove barrel (3), two row bodies of each pair of permanent magnet rows (8) are respectively arranged in the inner side wall and the outer side wall of the annular groove barrel (3), the permanent magnet rows (8) are a row of permanent magnets with gradually increased magnetism which are longitudinally arranged at equal intervals, and the magnetism of the permanent magnets is opposite to that of the electromagnets I (7); all the electromagnets I (7) are connected together through electric leads I (9), and the electric leads I (9) are arranged in the cylinder wall of the hand pressing cylinder (4) in a line and extend to the upper end of the hand pressing cylinder (4) and penetrate out of the cylinder wall of the hand pressing cylinder (4) from the side wall of the end;
go out liquid hole (5) top and be equipped with two relative settings and about sealing board (10) of going out liquid hole (5) longitudinal section symmetry, the close end of sealing board (10) is the strip tooth shape of crisscross adaptation each other, two seal the close end inside of board (10) and still be equipped with two (11) of the electro-magnet that magnetism is the same, the looks distal end outside of sealing board (10) is fixed with pivot (12), pivot (12) rotate to be connected in ring channel (6) tank bottom, and the length direction of pivot (12) is on a parallel with ring channel (6) tank bottom surface, the interior bottom of inside and outside both sides wall of ring channel section of thick bamboo (3) all is equipped with corresponding pivot (12) position and two (13) of permanent magnet opposite with two (11) magnetism, the difference in height of sealing board (10) up end and pivot (12) central point equals the difference in height at pivot (12) central point and two (13) tops of permanent magnet, an inner groove (14) for rotating the free end of the sealing plate (10) is formed in the groove wall of the annular groove (6) corresponding to the second permanent magnet (13), an arc-shaped spring column (15) is connected between the upper surface of the sealing plate (10) and the bottom of the annular groove (6) on the side where the second permanent magnet (13) is located, and the elastic force of the arc-shaped spring column (15) is smaller than the magnetic attraction force of the second permanent magnet (13) to the second electromagnet (11); the electromagnets II (11) in the inner side wall and the outer side wall of the annular groove cylinder (3) are respectively connected together through electric leads II (16), the electric leads II (16) in the inner side wall and the outer side wall are connected in the cylinder wall at the bottom of the annular groove cylinder (3), and the electric leads II (16) in the outer side wall of the annular groove cylinder (3) extend to the upper end of the annular groove cylinder (3) and penetrate out of the upper end of the annular groove cylinder (3);
the magnetism of the opposite ends of the two electrified electromagnets I (7) of each pair is the same, the magnetism of the opposite ends of the two electrified permanent magnet rows I (8) of each pair is the same, and the magnetism of the opposite ends of the two electrified electromagnets I (7) of each pair is opposite to that of the opposite ends of the two electrified permanent magnet rows I (8) of each pair on the corresponding side;
the magnetism of the opposite ends of the two electromagnets II (11) in each pair after being electrified is the same, and the magnetism of the upper half section of each permanent magnet II (13) is opposite to that of the opposite ends of the two electromagnets II (11) in each pair on the corresponding side.
2. The connector according to claim 1, wherein a liquid outlet (5) provided at the bottom of the ring groove cylinder (3) is provided right below each pair of two permanent magnet rows (8), the second permanent magnet (13) is the bottommost permanent magnet in the permanent magnet rows (8), the first electromagnet (7) and the second electromagnet (11) have the same magnetism, and the magnetism of the opposite ends of each pair of the first electromagnets (7) after being electrified is the same as the magnetism of the opposite ends of the two electromagnets (11) at the corresponding sides.
3. The connector of claim 2, wherein there are 4 liquid outlet holes (5), and the bottom of the manual pressing cylinder (4) is completely embedded with 4 pairs of electromagnets (7) uniformly along the circumference.
4. The connector of claim 1, wherein the hand pressing cylinder (4) comprises a tubular cylinder (41), and a drawing handle (42) and a piston head (43) respectively arranged at the upper end and the lower end of the tubular cylinder (41), the side surface of the piston head (43) is attached to the wall of the annular groove (6), the width of the piston head (43) is greater than that of the tubular cylinder (41), and the width of the drawing handle (42) is greater than that of the piston head (43).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711475601.8A CN108158575B (en) | 2017-12-29 | 2017-12-29 | Conductive liquid self-coating electrocardiogram chest lead connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475601.8A CN108158575B (en) | 2017-12-29 | 2017-12-29 | Conductive liquid self-coating electrocardiogram chest lead connector |
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| CN108158575A CN108158575A (en) | 2018-06-15 |
| CN108158575B true CN108158575B (en) | 2021-04-27 |
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| CN105944188A (en) * | 2016-05-25 | 2016-09-21 | 张云鹤 | A magnetic motive force booster |
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| CN108158575A (en) | 2018-06-15 |
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