CN111700607B - Telescopic full-automatic return lead electrocardiograph - Google Patents

Abstract

The invention relates to the technical field of wire type electrocardiographs, and discloses a telescopic full-automatic return wire electrocardiograph, which comprises: set up many telescopic data wires in the data wire box, data wire electrode circle is connected to telescopic data wire one end, telescopic data wire stretches out the length and is controlled by the lock line card, the buffer tube is located between data wire electrode circle and the lock line card, the slide is located in the buffer tube, with the inner wall sliding connection of buffer tube, the both ends of first connecting rod are articulated with slide and second connecting rod respectively, the both ends of first pendulum rod are articulated with first connecting rod and second pendulum rod respectively, the push rod is articulated with first pendulum rod and second pendulum rod, the push pedal links firmly with the push rod. The device greatly reduces the impact force between the wire locking clip and the data lead electrode ring after multi-layer energy conversion, avoids the situation that the contact part of the data lead and the data lead electrode ring is broken under violent impact, and ensures the normal use of the electrocardiograph.

Description

A telescopic fully automatic return wire electrocardiograph

technical field

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

Background technique

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

Chinese patent CN 202408886 U discloses a telescopic fully automatic return wire ECG machine for clinical use. It is composed of multiple elastic winding frames, multiple telescopic data wires and rotating shafts arranged in the data wire box, and springs and elastic springs 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 telescopic data wire is wound on the elastic winding frame, one end of the telescopic data wire is connected to the data line, and the other end of the telescopic data wire is connected to the data The extension length of the wire electrode circle and the telescopic data wire is controlled by the locking card. After the electrocardiograph is used to detect, the locking card is opened, and the telescopic data wire automatically returns to its respective elastic winding frame.

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

Contents of the invention

The invention provides a retractable fully automatic return wire electrocardiogram machine, which can effectively buffer the violent impact of the data wire electrode ring and the locking card.

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

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

The buffer tube is set between the data wire electrode ring and the locking card. One end of the buffer tube is open and the other end is closed. The closed end of the buffer tube is fixedly connected to the data wire electrode ring. The data wire runs through the connecting tube and is fixedly connected to the electrode ring of the data wire, and the outer size of the locking card is smaller than the inner size of the buffer cylinder;

The slide plate is arranged in the buffer tube and is slidably connected with the inner wall of the buffer tube;

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

The second connecting rod is arranged in the buffer tube and arranged symmetrically with the first connecting rod, and the first end of the second connecting rod is hinged to the slide plate;

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

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

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

The push plate is vertically fixedly connected with the push rod, the push plate is slidingly connected with the inner wall of the buffer tube, and the telescopic data wire runs through the slide plate, the push plate, and the closed-end data wire electrode circle of the buffer tube in turn and is fixedly connected.

Optionally, a first spring is connected between the slide 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 ring of the data wire runs through the buffer plate.

Optionally, also include:

A connecting rod, the first end of which is fixedly connected to the push plate;

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

Sliding seats are respectively arranged on the upper and lower sides of the push block, and one end is slidably connected with the inner bottom wall of the buffer tube. The inclined sides of the sliding seat on the upper and lower sides of the upper and lower sides correspond to each other 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 pressure springs are arranged between the sliding seat on the lower side of the push block and the inner wall of the buffer tube;

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

Optionally, the inner wall of the buffer cylinder has slide rails arranged along its axial direction, the outer wall of the slide plate has sliders, the sliders correspond to the positions of the slide rails, and the sliders slide and cooperate with the slide rails.

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 locking card, and the plurality of energy-absorbing devices surround the outer circumference of the retractable 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 lock wire card;

The second spring is arranged between the two honeycomb panels.

Optionally, the closed end of the buffer cylinder is fixedly connected to the electrode coil of the data wire through a connecting piece.

Compared with the prior art, the beneficial effect of the present invention is that: when the telescopic data wire needs to be put into the data wire box, the locking card is opened, and the telescopic data wire is quickly retracted into the data wire under the action of the spring in the data wire box. In the wire box, the electrode ring of the data wire and the locking card quickly approach. When the two are close, the sliding plate first contacts the locking card. The rods are synchronously linked, and then drive the first swing rod and the second swing rod to swing synchronously. During this process, the impact force is converted into the sliding force of the skateboard and the power of the connecting rod and the swing rod. It is transformed into the sliding force along the buffer cylinder, and after various energy conversions, the impact force between the locking card and the data wire electrode ring is greatly reduced, avoiding the breakage of the contact between the data wire and the data wire electrode ring under violent impact The situation ensures the normal use of the electrocardiograph.

Description of drawings

Fig. 1 is a schematic structural view of a telescopic fully automatic return wire electrocardiograph provided by an embodiment of the present invention;

Figure 2 is an enlarged schematic view of the local structure at G in Figure 1;

Fig. 3 is the enlarged schematic view of the local structure at K in Fig. 2;

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

Explanation of reference signs:

1-Data wire box, 2-Data wire electrode ring, 3-Telescopic data wire, 4-Locking card, 5-Buffer tube, 6-Skateboard, 7-First connecting rod, 8-Second connecting rod, 9 -the first swing rod, 10-the second swing rod, 11-push rod, 12-push plate, 13-connecting rod, 14-push block, 15-sliding seat, 16-first spring, 17-bumper plate, 18 -stage compression spring, 19-slide rail, 20-slider block, 21-baffle plate, 22-honeycomb plate, 23-second spring, 24-connector, 25-extension spring.

Detailed ways

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

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "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 solution of the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, Constructed and operative in a particular orientation and therefore are not to be construed as limitations of the invention.

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

Usage method and working principle: When it is necessary to put the retractable data wire 3 into the data wire box 1, open the locking card 4, 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 Inside, the data wire electrode circle 2 and the locking card 4 approach quickly. When the two are close, the sliding plate 6 first contacts the locking card 4, and the sliding plate 6 slides to 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, and then drive the first swing rod 9 and the second swing rod 10 to swing synchronously. During this process, the impact force is transformed into the sliding force of the skateboard 6 and the power of the connecting rod and the swing rod. The unconverted impact force is then pushed by the push rod 11 to slide the push plate 12 along the buffer tube, and it is converted into a sliding force along the buffer tube 5, which avoids the direct impact contact between the locking card 4 and the data wire electrode ring 2, and After a variety of energy conversions, the impact force between the locking card 4 and the data wire electrode ring 2 is greatly reduced, avoiding the breakage of the contact between the data wire and the data wire electrode ring under violent impact, and ensuring the electrocardiograph. Normal use.

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

In this embodiment, the side of the slide plate 6 away from the push rod 11 is fixedly connected with a buffer plate 17. The buffer plate 17 is a flexible plate. When the telescopic data wire 3 is received in the data wire box 1, the locking 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, and the data wire electrode circle 2 is connected with the lock The line card 4 approaches quickly. 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, and then through multi-layer energy conversion, the locking line card 4 and the data wire electrode The impact force between the rings 2 is greatly reduced, which avoids the situation that the contact between the data wire and the electrode ring of the data wire is broken under a violent impact, and ensures the normal use of the electrocardiograph.

As shown in Figure 2, a kind of retractable full-automatic return wire electrocardiograph that the embodiment of the present invention provides also includes: connecting rod 13, push block 14 and sliding seat 15, and the first end of connecting rod 13 is fixed with 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 slidingly connected with the inner bottom wall of the buffer tube 5, and the sliding seat 15 includes an inclined side , 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 arranged on the upper and lower sides of the push block 14 and are slidably connected, and the telescopic data conductors 3 pass through the connecting rod in turn 13. Push block 14 and slide seat 15.

Usage method and working principle: When it is necessary to put the retractable data wire 3 into the data wire box 1, open the locking card 4, 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 Inside, the data wire electrode circle 2 and the locking card 4 approach quickly. When the two are close, the sliding plate 6 first contacts the locking card 4, and the sliding plate 6 slides to 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, and then drive the first swing rod 9 and the second swing rod 10 to swing synchronously. During this process, the impact force is transformed into the sliding force of the skateboard 6 and the power of the connecting rod and the swing rod. The unconverted impact force is then pushed by the push rod 11 to push the push plate 12 to slide along the buffer tube, and convert it into a sliding force along the buffer tube 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 slope of the push block 14 contacts the corresponding slope of the sliding seat 15 and pushes the sliding seat 15 to slide along the inner bottom wall of the buffer tube 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 circle 2 avoids the situation that the contact between the data wire and the data wire electrode circle is broken under violent impact, and ensures the normal use of the electrocardiograph.

Specifically, a plurality of compression springs 18 are arranged between the sliding seat 15 on the lower side of the push block 14 and the inner side wall of the buffer tube 5, and between the sliding seat 15 on the upper side of the push block 14 and the inner side wall of the buffer tube 5. A plurality of extension springs 25 are arranged between them, and the compression spring 18 and the extension spring 25 can ensure that when the slope of the push block 14 contacts the corresponding slope of the sliding seat 15 and pushes the sliding seat 15 to slide along the inner bottom wall of the buffer tube 5, resistance is provided. The push block 14 will not violently hit the bottom wall of the buffer tube 5, avoiding the situation where the data wire and the electrode ring of the data wire are in contact with each other to break under the violent impact, and ensuring the normal use of the electrocardiograph. At the same time, the compression spring 18 and the pull The spring 25 has ensured that the data wire 3 is pulled apart when the electrocardiograph is used, and then the two sliding seats 15 return to their original positions under the action of the compression spring 18 and the extension spring 25 respectively, which ensures the normal operation of the push block 14 and the sliding seat 15 next time. Cooperate.

As shown in Figure 3, the inner wall of the buffer cylinder 5 has a slide rail 19 arranged along its axial direction, the outer wall of the slide plate 6 has a slider 20, the slider 20 corresponds to the position of the slide rail 19, and the slide block 20 is slidably matched with the slide rail 19 The two ends of the slide rail 19 are fixedly connected with baffles 21, which prevents the slide block 20 from falling off from the slide rail 19, and ensures that the slide plate 6 will not slip out of the buffer tube 5.

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

Usage method and working principle: When it is necessary to put the retractable data wire 3 into the data wire box 1, open the locking card 4, 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 Inside, after the data wire electrode circle 2 contacts 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, thereby being locked. The impact force transmitted by the line card 4 to the data wire electrode ring 2 is weakened, and then the impact force between the lock line card 4 and the data wire electrode ring 2 is greatly reduced after multi-layer energy conversion, avoiding the data wire under violent impact. The breakage of the contact point with the electrode circle of the data lead ensures the normal use of the electrocardiograph.

In this embodiment, the closed end of the buffer tube 5 is fixedly connected to the data wire electrode ring 2 through the connecting piece 24, which should be understood here as long as the closed end of the buffer tube 5 can be connected to the data wire electrode ring 2 All configurations are possible, eg for multiple connection plates.

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 conceivable by those skilled in the art shall fall within the protection scope of the present invention.

Claims (5)

1. The utility model provides a telescopic full self return wire electrocardiograph, includes data wire box (1), data wire electrode circle (2), telescopic data wire (3) and lock ply-yarn drill (4), sets up many telescopic data wire (3) in data wire box (1), and data wire electrode circle (2) are connected to telescopic data wire (3) one end, and telescopic data wire (3) stretch out length and are controlled by lock ply-yarn drill (4), and its characterized in that still includes:

the buffer cylinder (5) is arranged between the data lead electrode ring (2) and the line locking clamp (4), one end of the buffer cylinder (5) is open, the other end of the buffer cylinder is closed, the closed end of the buffer cylinder (5) is fixedly connected with the data lead electrode ring (2), and the outer size of the line locking clamp (4) is smaller than the inner size of the buffer cylinder (5);

the sliding plate (6) is arranged in the buffer cylinder (5) and is in sliding connection with the inner wall of the buffer cylinder (5);

the first connecting rod (7) is arranged in the buffer cylinder (5), the first end of the first connecting rod is hinged with the sliding plate (6), and the second end of the first connecting rod is arranged towards 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 hinged with the sliding plate (6);

the first oscillating bar (9) is arranged in the buffer cylinder (5), and the first end of the first oscillating bar is hinged with the second end of the first connecting rod (7);

the second oscillating rod (10) is arranged in the buffer cylinder (5), the first end of the second oscillating rod is hinged with the second end of the second connecting rod (8), and the second end of the first oscillating rod (9) is hinged with the second end of the second oscillating rod (10);

the push 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 in sliding connection with the inner wall of the buffer cylinder (5), and the telescopic data wire (3) sequentially penetrates through the sliding plate (6), the push plate (12) and the closed end of the buffer cylinder (5) and is fixedly connected with the data wire electrode ring (2);

a first spring (16) is connected between the sliding plate (6) and the push rod (11);

the first end of the connecting rod (13) is fixedly connected with the push plate (12);

the push block (14) is fixedly connected with the second end of the connecting rod (13);

the sliding seats (15) are respectively arranged on the upper side and the lower side of the push block (14), one end of each sliding seat is connected with the inner bottom wall of the buffer cylinder (5) in a sliding mode, each sliding seat (15) comprises an inclined side face, the upper end face and the lower end face of the push block (14) are respectively provided with an inclined face, the inclined faces correspond to the inclined side faces of the sliding seats (15) arranged on the upper side and the lower side of the push block (14) in a one-to-one mode and are connected in a sliding mode, and the telescopic data wires (3) penetrate through the connecting rod (13), the push block (14) and the sliding seats (15) in sequence;

the compression springs (18) are 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);

the 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);

a plurality of energy absorption devices are arranged between the data wire box (1) and the wire locking clamp (4), and the plurality of energy absorption devices annularly surround the periphery of the telescopic data wire (3);

the energy absorbing device includes:

two honeycomb plates (22), one is fixedly connected with the data conductor box (1), and the other is fixedly connected with the wire locking clamp (4);

and the second spring (23) is arranged between the two honeycomb plates (22).

2. The telescopic full-automatic return lead electrocardiograph according to claim 1, wherein a buffer plate (17) is fixedly connected to a side of the sliding plate (6) far away from the push rod (11), the buffer plate (17) is a flexible plate, and the telescopic data lead (3) penetrates through the buffer plate (17).

3. The telescopic full-automatic return lead electrocardiograph according to claim 1, wherein the inner wall of the buffer cylinder (5) has a slide rail (19) arranged along the axial direction thereof, the outer wall of the slide plate (6) has a slide block (20), the slide block (20) corresponds to the slide rail (19) in position, and the slide block (20) is in sliding fit with the slide rail (19).

4. The telescopic full-automatic return lead electrocardiograph according to claim 3, wherein the two ends of the slide rail (19) are fixedly connected with the baffle plates (21).

5. The telescopic full-automatic return lead electrocardiograph according to claim 1, wherein the closed end of the buffer cylinder (5) is fixedly connected with the data lead electrode ring (2) through a connecting piece (24).

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