CN111700607A - A telescopic automatic return lead electrocardiograph - Google Patents

Abstract

The invention relates to the technical field of lead-type electrocardiographs, and discloses a telescopic fully automatic return lead electrocardiograph, comprising: a data lead box is provided with a plurality of telescopic data leads; The extension length of the type data wire is controlled by the wire lock card. The buffer cylinder is set between the data wire electrode ring and the wire lock card. The slide plate is set in the buffer cylinder and is slidably connected with the inner wall of the buffer cylinder. Both ends of the first link It is hinged with the slide plate and the second link respectively, the two ends of the first rocker are hinged with the first link and the second link respectively, the push rod is hinged with the first rocker and the second rocker, and the push plate is fixed with the push rod. even. The device of the invention greatly reduces the impact force between the wire-locking card and the electrode ring of the data wire after the multi-layer energy conversion, avoids the breaking of the contact between the data wire and the electrode ring of the data wire under the violent impact, and ensures the electrocardiograph machine. normal use.

Description

A telescopic automatic return lead electrocardiograph

technical field

The invention relates to the technical field of lead electrocardiograph, in particular to a telescopic automatic return lead electrocardiograph.

Background technique

Electrocardiograph is an important medical electronic instrument commonly used in clinical diagnosis and scientific research.

Chinese patent CN 202408886 U discloses a clinical telescopic fully automatic return lead electrocardiograph, which is composed of a plurality of elastic winding racks and a plurality of telescopic data wires and a rotating shaft arranged in a data lead box, and springs and elastic shafts are installed on the rotating shaft. Winding frame, one end of the spring is fixed on the rotating shaft, the other end of the spring is fixed on the elastic winding frame, the retractable data wire is wound on the elastic winding frame, one end of the retractable data wire is connected to the data cable, and the other end of the retractable data wire is connected to the data The wire electrode coil and the extension length of the telescopic data wire are controlled by the wire lock card. After the detection by the electrocardiograph is completed, the wire lock card is opened, and the telescopic data wire is automatically returned to the respective elastic winding frame.

However, in the above-mentioned patent, after the wire-locking card is opened, the spring returns to a natural state or a compressed state from a stretched state in a very short time, and the elastic force is often large, which causes the data wire electrode coil to collide violently with the wire-locking card, and the data The copper core wire of the wire itself is easy to break, and it is more likely to break the contact between the data wire and the data wire electrode ring under violent impact, thus affecting the normal use of the electrocardiograph.

SUMMARY OF THE INVENTION

The invention provides a telescopic fully automatic return wire electrocardiograph, which can effectively buffer the violent impact of the data wire electrode coil and the wire locking card.

The invention provides a telescopic fully automatic return lead electrocardiograph, comprising:

Data wire box, data wire electrode ring, retractable data wire and locking card, a plurality of retractable data wires are arranged in the data wire box, one end of the retractable data wire is connected to the data wire electrode ring, and the extension length of the retractable data wire is determined by the lock. line card to control;

The buffer cylinder is located between the data wire electrode ring and the lock wire card. One end of the buffer cylinder is open and the other end is closed. The closed end of the buffer cylinder is fixedly connected with the data wire electrode ring. The buffer cylinder is provided with a communication tube along its central axis. The data wire runs through the communication tube and is fixedly connected with the data wire electrode ring, and the outer dimension of the wire locking card is smaller than the inner dimension of the buffer cylinder;

The sliding plate is arranged in the buffer cylinder and is slidably connected with the inner wall of the buffer cylinder;

The first connecting rod is arranged in the buffer cylinder, the first end is hinged with the slide plate, and the second end is arranged in the direction close to the bottom wall of the buffer cylinder;

The second connecting rod is arranged in the buffer cylinder and is symmetrically arranged with the first connecting rod, and the first end of the second connecting rod is hinged with the sliding plate;

The first swing rod is arranged in the buffer cylinder, and the first end is hinged with the second end of the first connecting rod;

The second swing rod is arranged in the buffer cylinder, the first end is hinged with the second end of the second connecting rod, and the second end of the first swing rod is hinged with the second end of the second swing rod;

a push rod, hinged with the second end of the first swing rod and the second end of the second swing rod;

The push plate is vertically fixed with the push rod, and the push plate is slidably connected with the inner wall of the buffer cylinder.

Optionally, a first spring is connected between the sliding plate and the push rod.

Optionally, a buffer plate is fixedly connected to the side of the slide plate away from the push rod, the buffer plate is a flexible plate, and the electrode coil of the data wire runs through the buffer plate.

Optionally, also include:

a connecting rod, the first end of which is fixedly connected with the push plate;

The push block is fixedly connected with the second end of the connecting rod;

The sliding seats are respectively arranged on the upper and lower sides of the push block, and one end is slidably connected to the inner bottom wall of the buffer cylinder. The inclined sides of the sliding seat on the upper and lower sides of the device correspond one by one and are slidably connected, and the telescopic data wire runs through the connecting rod, the push block and the sliding seat in sequence.

A plurality of compression springs are arranged between the sliding seat on the lower side of the push block and the inner side wall of the buffer cylinder;

A plurality of tension springs are arranged between the sliding seat on the upper side of the push block and the inner side wall of the buffer cylinder.

Optionally, the inner wall of the buffer cylinder has a slide rail arranged along its axial direction, the outer wall of the slide plate has a slider, the slider corresponds to the position of the slide rail, and the slider is slidably matched with the slide rail.

Optionally, baffles are fixedly connected to both ends of the slide rail.

Optionally, a plurality of energy absorbing devices are arranged between the data wire box and the wire locking card, and the plurality of energy absorbing devices surround the outer circumference of the telescopic data wire in a ring shape.

Optionally, the energy absorbing device includes:

Two honeycomb boards, one is fixedly connected with the data wire box, and the other is fixedly connected with the locking wire card;

The second spring is arranged between the two honeycomb panels.

Optionally, the closed end of the buffer cylinder and the data wire electrode ring are fixedly connected by a connector.

Compared with the prior art, the beneficial effect of the present invention is that: when the retractable data wire needs to be put into the data wire box, the wire locking card is opened, and the retractable data wire is quickly retracted into the data under the action of the spring in the data wire box. In the lead box, the data lead electrode ring and the wire lock card are rapidly approached. When the two are close, the sliding plate first contacts with the wire locking card. The levers are linked synchronously, which in turn drives the first swing lever and the second swing lever to swing synchronously. During this process, the impact force is converted into the sliding force of the slide plate and the power of the connecting rod and the swing lever, and the remaining unconverted impact force is then transferred by the push plate. It is converted into the sliding force along the buffer cylinder. After a variety of energy conversions, the impact force between the wire locking card and the data wire electrode ring is greatly reduced, avoiding the breakage of the data wire and the data wire electrode ring under violent impact. conditions, to ensure the normal use of the electrocardiograph.

Description of drawings

1 is a schematic structural diagram of a telescopic fully automatic return lead electrocardiograph according to an embodiment of the present invention;

Fig. 2 is the partial structure enlarged schematic diagram at G in Fig. 1;

Fig. 3 is the partial structure enlarged schematic diagram at K place in Fig. 2;

FIG. 4 is an enlarged schematic diagram of a partial structure at H in FIG. 1 .

Description of reference numbers:

1-Data wire box, 2-Data wire electrode ring, 3-Retractable data wire, 4-Wire lock card, 5-Buffer cylinder, 6-Slide plate, 7-First link, 8-Second link, 9 -1st swing rod, 10-second swing rod, 11-push rod, 12-push plate, 13-connecting rod, 14-push block, 15-slide seat, 16-first spring, 17-buffer plate, 18 -Compression spring, 19-slide rail, 20-slider, 21-baffle plate, 22-honeycomb board, 23-second spring, 24-connector, 25-tension spring.

Detailed ways

A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Axial, Radial, Circumferential The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the technical solutions of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, It is constructed and operated in a particular orientation and is therefore not to be construed as a limitation of the present invention.

As shown in Figures 1-2, a telescopic fully automatic return lead electrocardiograph provided by an embodiment of the present invention includes: a data lead box 1, a data lead electrode ring 2, a telescopic data lead 3, a wire locking card 4, The buffer cylinder 5, the sliding plate 6, the first connecting rod 7, the second connecting rod 8, the first swing rod 9, the second swing rod 10, the push rod 11 and the push plate 12, a plurality of telescopic data lines are arranged in the data wire box 1 Wire 3, one end of the telescopic data wire 3 is connected to the data wire electrode ring 2, and the extension length of the telescopic data wire 3 is controlled by the wire locking card 4, which is arranged between the data wire electrode ring 2 and the wire locking card 4, and the buffer cylinder 5 One end of the buffer tube 5 is open and the other end is closed, the closed end of the buffer tube 5 is fixedly connected with the data wire electrode ring 2, the outer dimension of the wire locking card 4 is smaller than the inner dimension of the buffer tube 5, and the sliding plate 6 is arranged in the buffer tube 5, and is connected with the buffer tube 5. The inner wall is slidably connected, the first connecting rod 7 is set in the buffer cylinder 5, the first end is hinged with the slide plate 6, the second end is set in the direction close to the bottom wall of the buffer cylinder 5, and the second connecting rod 8 is set in the buffer cylinder 5 , symmetrically arranged with the first connecting rod 7, the first end of the second connecting rod 8 is hinged with the slide plate 6, the first swing rod 9 is set in the buffer cylinder 5, and the first end is hinged with the second end of the first connecting rod 7 , the second swing rod 10 is arranged in the buffer cylinder 5, the first end is hinged with the second end of the second link 8, the second end of the first swing rod 9 is hinged with the second end of the second swing rod 10, and the push The rod 11 is hinged with the second end of the first swing rod 9 and the second end of the second swing rod 10 , the push plate 12 is vertically and fixedly connected with the push rod 11 , the push plate 12 is slidably connected with the inner wall of the buffer cylinder 5 , and the telescopic data The wires 3 pass through the sliding plate 6 , the push plate 12 , and the closed-end data wire electrode ring 2 of the buffer cylinder 5 in turn and are fixedly connected.

Using method and working principle: When the retractable data wire 3 needs to be put into the data wire box 1, the lock wire card 4 is opened, and the retractable data wire 3 is quickly retracted into the data wire box 1 under the action of the spring in the data wire box 1. Inside, the data wire electrode ring 2 and the wire locking card 4 are rapidly approached. When the two are close, the sliding plate 6 first contacts with the locking wire card 4, and the sliding plate 6 slides toward the inside of the buffer cylinder 5 under the action of the impact force, driving the first connecting rod. 7 and the second connecting rod 8 are synchronously linked, thereby driving the first swing rod 9 and the second swing rod 10 to swing synchronously. During this process, the impact force is converted into the sliding force of the slide plate 6 and the power of the connecting rod and the swing rod, and the remaining The unconverted impact force is then pushed by the push rod 11 to push the push plate 12 to slide along the buffer cylinder, which is converted into a sliding force along the buffer cylinder 5, avoiding the direct impact contact between the wire locking card 4 and the data wire electrode ring 2, and After a variety of energy conversions, the impact force between the wire locking card 4 and the data wire electrode ring 2 is greatly reduced, which avoids the breakage of the data wire and the data wire electrode ring at the contact point under violent impact, and ensures the safety of the electrocardiograph. Normal use.

Specifically, a first spring 16 is connected between the sliding plate 6 and the push rod 11, and the first spring 16 can convert a part of the pushing force of the sliding plate 6 into the elastic force of the first spring 16 itself, and then transmit it to the first link 7 and The thrust of the second connecting rod 8 is reduced, and the impact force between the wire locking card 4 and the data wire electrode ring 2 is greatly reduced after the multi-layer energy conversion, so as to avoid the contact between the data wire and the data wire electrode ring under violent impact. The case of fracture at the place ensures the normal use of the electrocardiograph.

In this embodiment, a buffer plate 17 is fixedly connected to the side of the sliding plate 6 away from the push rod 11 . The buffer plate 17 is a flexible plate. The data wire electrode ring 2 runs through the buffer plate 17 . The buffer plate 17 can be a rubber plate. When the telescopic data wire 3 is received into the data wire box 1, the lock wire card 4 is opened, and the telescopic data wire 3 is quickly retracted into the data wire box 1 under the action of the spring in the data wire box 1. The line card 4 is rapidly approaching. When the two are close, the buffer plate 17 first contacts with the line locking card 4 to absorb a part of the impact force, and then transmits it to the sliding plate 6. After the multi-layer energy conversion, the line locking card 4 and the data wire electrode are connected. The impact force between the rings 2 is greatly reduced, which avoids the breakage of the contact between the data wire and the data wire electrode ring under violent impact, and ensures the normal use of the electrocardiograph.

As shown in FIG. 2 , a telescopic fully automatic return lead electrocardiograph provided by an embodiment of the present invention further includes: a connecting rod 13 , a push block 14 and a sliding seat 15 , and the first end of the connecting rod 13 is fixed to the push plate 12 Connection, the push block 14 is fixedly connected with the second end of the connecting rod 13, the sliding seat 15 is respectively arranged on the upper and lower sides of the push block 14, and one end is slidably connected with the inner bottom wall of the buffer cylinder 5, and the sliding seat 15 includes an inclined side surface. The upper and lower end surfaces of the push block 14 are provided with inclined surfaces, and the inclined surfaces are in one-to-one correspondence with the inclined sides of the sliding seat 15 provided on the upper and lower sides of the push block 14 and are slidably connected. 13. Push block 14 and sliding seat 15.

Using method and working principle: When the retractable data wire 3 needs to be put into the data wire box 1, the lock wire card 4 is opened, and the retractable data wire 3 is quickly retracted into the data wire box 1 under the action of the spring in the data wire box 1. Inside, the data wire electrode ring 2 and the wire locking card 4 are rapidly approached. When the two are close, the sliding plate 6 first contacts with the locking wire card 4, and the sliding plate 6 slides toward the inside of the buffer cylinder 5 under the action of the impact force, driving the first connecting rod. 7 and the second connecting rod 8 are synchronously linked, thereby driving the first swing rod 9 and the second swing rod 10 to swing synchronously. During this process, the impact force is converted into the sliding force of the slide plate 6 and the power of the connecting rod and the swing rod, and the remaining The unconverted impact force is then pushed by the push rod 11 to push the push plate 12 to slide along the buffer cylinder, which is converted into a sliding force along the buffer cylinder 5, and then the push plate 12 pushes the connecting rod 13 to move inward, and the connecting rod 13 drives the push block 14 moves horizontally, the inclined surface of the push block 14 contacts the corresponding inclined surface of the sliding seat 15 and pushes the sliding seat 15 to slide along the inner bottom wall of the buffer cylinder 5, thereby converting the horizontal driving force into a vertical driving force, buffering the lock line again The impact force between the card 4 and the data wire electrode ring 2 avoids the breakage of the contact between the data wire and the data wire electrode ring under violent impact, and ensures the normal use of the electrocardiograph.

Specifically, a plurality of compression springs 18 are provided between the sliding seat 15 provided on the lower side of the push block 14 and the inner side wall of the buffer cylinder 5 , and the sliding seat 15 provided on the upper side of the push block 14 and the inner side wall of the buffer cylinder 5 are provided with a plurality of compression springs 18 . There are a plurality of tension springs 25 between them. The compression springs 18 and 25 can ensure that when the inclined surface of the push block 14 contacts the corresponding inclined surface of the sliding seat 15 and pushes the sliding seat 15 to slide along the inner bottom wall of the buffer cylinder 5, it provides resistance. The push block 14 does not violently hit the bottom wall of the buffer cylinder 5, which avoids the breakage of the contact between the data wire and the data wire electrode ring under violent collision, and ensures the normal use of the electrocardiograph. At the same time, the compression spring 18 and the pull The spring 25 ensures that when the electrocardiograph is used, the data lead 3 is pulled apart, and the two sliding seats 15 return to their positions under the action of the compression spring 18 and the tension spring 25 respectively, which ensures the normal operation of the push block 14 and the sliding seat 15 next time. Cooperate.

As shown in FIG. 3 , the inner wall of the buffer cylinder 5 has a sliding rail 19 arranged along its axial direction, and the outer wall of the sliding plate 6 has a sliding block 20 . , the two ends of the slide rail 19 are fixed with baffles 21 to prevent the sliding block 20 from falling off the slide rail 19 , and also to ensure that the slide plate 6 will not slide out of the buffer cylinder 5 .

As shown in FIG. 4 , a plurality of energy absorbing devices are arranged between the data wire box 1 and the wire locking card 4 , and the plurality of energy absorbing devices surround the outer circumference of the telescopic data wire 3 in a ring shape. The energy absorbing devices include : Two honeycomb panels 22 and a second spring 23, one honeycomb panel 22 is fixedly connected with the data lead box 1, the other is fixedly connected with the lock wire card 4, and the second spring 23 is arranged between the two honeycomb panels 22.

Using method and working principle: When the retractable data wire 3 needs to be put into the data wire box 1, the lock wire card 4 is opened, and the retractable data wire 3 is quickly retracted into the data wire box 1 under the action of the spring in the data wire box 1. Inside, after the data wire electrode ring 2 is in contact with the wire lock card 4, the wire lock card 4 approaches the side wall of the data wire box 1, and the impact force between the two is weakened by the absorption of the honeycomb plate 22 and the second spring 23, so that the lock is locked. The impact force transmitted by the line card 4 to the data wire electrode ring 2 is weakened, and after the multi-layer energy conversion, the impact force between the lock wire card 4 and the data wire electrode ring 2 is greatly reduced, avoiding the data wire caused by violent impact. The contact with the data wire electrode ring is broken, which ensures the normal use of the electrocardiograph.

In this embodiment, the closed end of the buffer cylinder 5 and the data wire electrode ring 2 are fixedly connected by the connecting member 24, which should be understood as long as the closed end of the buffer cylinder 5 and the data wire electrode ring 2 can be connected. All structures are possible, eg multiple connection plates can be connected.

The above disclosures are only a few specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims (9)

1. A telescopic fully automatic return lead electrocardiograph, comprising a data lead box (1), a data lead electrode ring (2), a telescopic data lead (3) and a wire locking card (4), a data lead box (1) A plurality of telescopic data wires (3) are arranged in the telescopic data wire (3), one end of the telescopic data wire (3) is connected to the data wire electrode ring (2), and the extension length of the telescopic data wire (3) is controlled by the wire locking card (4), It is characterized in that it also includes: A buffer cylinder (5) is arranged between the data wire electrode ring (2) and the wire locking card (4). One end of the buffer cylinder (5) is open and the other end is closed, and the buffer cylinder (5) is closed The end is fixedly connected with the data wire electrode ring (2), and the outer dimension of the wire locking card (4) is smaller than the inner dimension of the buffer cylinder (5); A sliding plate (6) is arranged in the buffer cylinder (5) and is slidably connected with the inner wall of the buffer cylinder (5); The first connecting rod (7) is arranged in the buffer cylinder (5), the first end is hinged with the slide plate (6), and the second end is arranged in the direction close to the bottom wall of the buffer cylinder (5); The second connecting rod (8) is arranged in the buffer cylinder (5) and is symmetrically arranged with the first connecting rod (7), and the first end of the second connecting rod (8) is connected to the sliding plate ( 6) Hinged; a first swing rod (9), arranged in the buffer cylinder (5), the first end of which is hinged with the second end of the first connecting rod (7); A second swing rod (10) is arranged in the buffer cylinder (5), the first end of which is hinged with the second end of the second link (8), and the second end of the first swing rod (9) is hinged. The end is hinged with the second end of the second swing rod (10); A push rod (11), hinged with the second end of the first swing rod (9) and the second end of the second swing rod (10); A push plate (12) is vertically fixed with the push rod (11), the push plate (12) is slidably connected to the inner wall of the buffer cylinder (5), and the telescopic data wire (3) runs through the The sliding plate (6), the push plate (12), and the closed end of the buffer cylinder (5) are fixedly connected to the data wire electrode ring (2). 2 . The telescopic fully automatic return lead electrocardiograph according to claim 1 , wherein a first spring ( 16 ) is connected between the sliding plate ( 6 ) and the push rod ( 11 ). 3 . 3. The telescopic fully automatic return lead electrocardiograph according to claim 1, wherein a buffer plate (17) is fixedly connected to the side of the slide plate (6) away from the push rod (11), so The buffer board (17) is a flexible board, and the retractable data wire (3) runs through the buffer board (17). 4. The telescopic fully automatic return lead electrocardiograph of claim 1, further comprising: a connecting rod (13), the first end of which is fixedly connected with the push plate (12); A push block (14), fixedly connected with the second end of the connecting rod (13); The sliding seats (15) are respectively arranged on the upper and lower sides of the push block (14), and one end is slidably connected to the inner bottom wall of the buffer cylinder (5). The upper and lower end surfaces of the push block (14) are provided with inclined surfaces, and the inclined surfaces are in one-to-one correspondence with the inclined sides of the sliding seat (15) provided on the upper and lower sides of the push block (14) and are slidably connected, The telescopic data wire (3) passes through the connecting rod (13), the push block (14) and the sliding seat (15) in sequence. a plurality of compression springs (18) arranged between the sliding seat (15) on the lower side of the push block (14) and the inner side wall of the buffer cylinder (5); A plurality of tension springs (25) are arranged between the sliding seat (15) on the upper side of the push block (14) and the inner side wall of the buffer cylinder (5). 5 . The telescopic fully automatic return lead electrocardiograph according to claim 1 , wherein the inner wall of the buffer cylinder ( 5 ) has a sliding rail ( 19 ) arranged along its axial direction, and the sliding plate ( 6 ) ) has a sliding block (20) on its outer wall, the sliding block (20) corresponds to the position of the sliding rail (19), and the sliding block (20) is slidably matched with the sliding rail (19). 6 . The telescopic fully automatic return lead electrocardiograph according to claim 5 , wherein baffles ( 21 ) are fixedly connected to both ends of the slide rail ( 19 ). 7 . 7. The telescopic fully automatic return lead electrocardiograph of claim 1, wherein a plurality of energy absorbing devices are arranged between the data lead box (1) and the wire locking card (4), The plurality of energy absorbing devices surround the outer circumference of the telescopic data wire (3) in a ring shape. 8. The telescopic fully automatic return lead electrocardiograph of claim 7, wherein the energy absorbing device comprises: Two honeycomb panels (22), one is fixedly connected with the data lead box (1), and the other is fixedly connected with the wire locking card (4); The second spring (23) is arranged between the two honeycomb panels (22). 9 . The telescopic fully automatic return lead electrocardiograph according to claim 1 , wherein the closed end of the buffer cylinder ( 5 ) and the data lead electrode ring ( 2 ) are fixed by a connecting piece ( 24 ). 10 . even.

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