CN214595868U

CN214595868U - Electrocardiogram limb lead fixing device

Info

Publication number: CN214595868U
Application number: CN202023126973.XU
Authority: CN
Inventors: 权明珠; 石磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-11-05
Anticipated expiration: 2030-12-22

Abstract

An electrocardiogram limb lead fixing device comprises a base, wherein a plurality of universal wheels are uniformly arranged at the bottom of the base, and support legs capable of adjusting the vertical position are arranged at the bottom of the base; the top of the base is provided with an installation disc with adjustable vertical position, and the left end and the rear end of the inner side of the top of the installation disc are respectively provided with a clamping piece; a bottom box with a right opening is arranged at the bottom of the right side of the mounting plate; a swinging plate capable of horizontally swinging is arranged at the bottom of the front side of the mounting disc, an inner plate capable of adjusting the relative distance between the swinging plate and the swinging plate is arranged at the tail end of the swinging plate, and a plurality of detachable sub-plates are arranged at the tail end of the inner plate; the top rear side of minute board is provided with vertical minute axle respectively, and the rear side of minute axle is provided with the locking plate that can remove along minute board length direction respectively. The utility model effectively solves the problems that the current electrocardiogram lead wire is lack of orderliness and brings inconvenience to the operation and the rescue of patients can be delayed when the condition is critical.

Description

Electrocardiogram limb lead fixing device

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to electrocardiogram limb leads fixing device.

Background

The electrocardiograph can automatically record the bioelectric signals (electrocardio signals) generated by exciting cardiac muscle during heart activity, and is a medical electronic instrument commonly used for clinical diagnosis and scientific research.

Before the heart beats, the cardiac muscle is excited first, and weak current is generated during excitation and is conducted to various parts through human tissues. Because the distance between each part of the body and the heart is different due to different tissues of each part, different potential changes are shown at each part of the body surface, and the relation between the surface potential generated by the electrical activity in the human heart and the time is called electrocardiogram. Electrocardiographs are instruments that record these physiological electrical signals.

Electrodes are arranged at different parts of a human body and are connected with the positive electrode and the negative electrode of the current meter of the electrocardiogram machine through lead wires, and the circuit connection method for recording the electrocardiogram is called electrocardiogram lead. The international universal lead system widely adopted at present is called a conventional 12-lead system, and comprises a limb lead connected with a limb and a chest lead connected with a chest.

Because the number of the lead wires is large, the cross winding of the lead wires often occurs during use, which causes messy bedside, brings inconvenience to operation, and delays the rescue of patients in critical situations.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide the heart electrograph limbs fixing device that leads, solved present heart electrograph line of leading effectively and lacked the regularity and brought inconvenience for the operation, the problem of the rescue of patient can be delayed when the condition is critical.

In order to solve the above problems, the utility model adopts the following technical proposal:

an electrocardiogram limb lead fixing device comprises a base, wherein a plurality of universal wheels are uniformly arranged at the bottom of the base, and support legs capable of adjusting the vertical position are arranged at the bottom of the base; the top of the base is provided with an installation disc with an adjustable vertical position, and the left end and the rear end of the inner side of the top of the installation disc are respectively provided with a clamping piece; a bottom box with an opening at the right side is arranged at the bottom of the right side of the mounting plate; a swinging plate capable of horizontally swinging is arranged at the bottom of the front side of the mounting disc, an inner plate capable of adjusting the relative distance between the swinging plate and the swinging plate is arranged at the tail end of the swinging plate, and a plurality of detachable sub-plates are arranged at the tail end of the inner plate; the rear sides of the tops of the branch plates are respectively provided with a vertical branch shaft, and the rear sides of the branch shafts are respectively provided with a locking plate capable of moving along the length direction of the branch plates; the front side and the middle part of the top of the sub-plate are respectively provided with a v-21274-shaped positioning seat, and the upper part of the inner side of the positioning seat is respectively provided with a positioning plate capable of adjusting the vertical position;

a main shaft is arranged in the center of the front side of the mounting disc, a pressing plate capable of adjusting the position forwards and backwards is arranged on the periphery of the main shaft, and side plates capable of adjusting the position leftwards and rightwards are arranged on the left side and the right side of the pressing plate respectively;

the adjustable cabinet is characterized in that the rear side of the top of the base is provided with an adjustable adjusting cabinet with a front position and a rear position, the rear side of the adjusting cabinet is provided with a plurality of cabinet openings from top to bottom, and drawers are arranged in the cabinet openings.

Preferably, the front side of the top of the base is in downward threaded connection with a positioning screw rod, and the bottom end of the positioning screw rod is rotatably connected with the support leg; the top end of the positioning screw rod is coaxially and fixedly connected with a rotating wheel;

the top of the base is fixedly connected with a hollow vertical sleeve, the bottom end of the mounting disc is fixedly connected with a vertical rod, and the vertical rod is connected in the vertical sleeve in a sliding manner; the upper part of the front side of the vertical sleeve is connected with a positioning screw in a backward threaded manner, and the positioning screw is screwed to form a structure for fixing the vertical sleeve and the vertical rod.

Preferably, the rear end of the vertical sleeve is rotatably connected with a bidirectional screw, and the thread turning directions of the upper side and the lower side of the bidirectional screw are opposite; the top end of the bidirectional screw is fixedly connected with an adjusting wheel; the upper side and the lower side of the bidirectional screw are respectively in threaded connection with an upper screw block and a lower screw block, the upper screw block and the lower screw block are both in sliding connection with adjusting slide rods, and the adjusting slide rods are both fixedly connected to the rear side of the vertical sleeve;

the rear side of the upper screw block is hinged with a plurality of upper swing rods, the rear side of the lower screw block is hinged with a plurality of lower swing rods, the tail ends of the upper swing rods are hinged to the lower portion of the front side of the adjusting cabinet, and the tail ends of the lower swing rods are hinged to the upper portion of the front side of the adjusting cabinet.

Preferably, the left end and the rear end of the top of the mounting disc are respectively connected with a pull rod with a T-shaped cross section in a sliding manner, and one end of the pull rod, which is positioned in the mounting disc, is respectively and fixedly connected with the corresponding clamping piece; and clamping springs are sleeved on the periphery of the pull rod between the mounting disc and the clamping piece respectively.

Preferably, the front side of the bottom of the mounting disc is rotatably connected with an angle screw rod, and the angle screw rod is in threaded connection with an angle screw block; the angle screw is coaxially and fixedly connected with an angle wheel; the angle screw block is hinged with a connecting rod, and the tail end of the connecting rod is hinged with the middle part of the swinging plate; the rear end of the swinging plate is hinged to the front side of the bottom of the mounting disc;

the inner plate is connected in the swing plate in a sliding manner; and the bottom of the front side of the swinging plate is upwards in threaded connection with a limit screw, and the limit screw is screwed to form a structure for fixing the positions of the swinging plate and the inner plate.

Preferably, the rear side of the sub-plate is connected with the inner plate through a bolt and nut pair; the rear side of the top of the splitting plate is fixedly connected with a support, an upper guide rod and a lower guide rod are connected in the support in a sliding mode, and the front end of each guide rod is fixedly connected with the locking plate; the rear end of the guide rod is fixedly connected with a baffle plate; a clamping spring is sleeved on the periphery of the guide rod between the support and the locking plate;

and the top of the positioning seat is respectively connected with a stop screw in a downward threaded manner, and the bottom end of each stop screw is rotatably connected with the corresponding positioning plate.

Preferably, the main shaft is connected with the pressure plate in a sliding manner; the main nut is connected to the front side of the main shaft in a threaded mode, and a main spring is sleeved on the periphery of the main shaft between the main nut and the pressing plate;

the left side and the right side of the pressing plate are respectively and fixedly connected with side screw rods, and the side plates are respectively in sliding connection with the corresponding side screw rods; the tail ends of the side screw rods are respectively in threaded connection with side nuts; and side springs are sleeved on the peripheries of the side screw rods between the side nuts and the side plates respectively.

The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:

1. this device is through setting up the mounting disc of adjustable vertical position and two clamping pieces in it and setting up the base of taking the universal wheel to can adjust suitable position after the electrocardiograph location, make convenient convenience such as operation, not influenced, improve operating efficiency.

2. This device is through setting up the regulation cabinet of end box and adjustable front and back position to can place some heart electrograph operation spare parts or auxiliary instrument as required, thereby can help medical personnel to improve operating efficiency, reduce the operation complexity.

3. This device is through setting up adjustable horizontal angle's pendulum board and a plurality of minute boards on it, cooperation pivot to can fix a position each lead line stability, improve the orderliness of leading the line, reduce the mixed and disorderly of bedside, improve operating efficiency, reduce misoperation rate.

Drawings

Fig. 1 is a first axis mapping of the electrocardiogram limb lead fixing device of the utility model.

Fig. 2 is a second axial drawing of the electrocardiogram limb lead fixing device of the utility model.

Fig. 3 is an axonometric view of the base of the electrocardiogram limb lead fixing device of the utility model.

Fig. 4 is an axonometric view of the adjusting cabinet and its connecting components of the electrocardiogram limb lead fixing device of the utility model.

Fig. 5 is an axonometric view of the mounting plate of the electrocardiogram limb lead fixing device of the utility model.

Fig. 6 is an axonometric view of the swinging plate and its connecting components of the electrocardiogram limb lead fixing device of the utility model.

Fig. 7 is an axonometric view of the inner plate and its connecting parts of the electrocardiogram limb lead fixing device of the present invention.

Fig. 8 is an isometric view of the branch plate and its connecting parts of the electrocardiogram limb lead fixing device of the present invention.

Fig. 9 is an isometric view of the main shaft and its connecting components of the electrocardiogram limb lead fixing device of the present invention.

In the drawings: 1-base, 2-universal wheel, 3-support leg, 4-mounting plate, 5-clamping piece, 6-bottom box, 7-regulating cabinet, 8-main shaft, 9-pressing plate, 10-side plate, 11-swinging plate, 12-inner plate, 13-dividing plate, 14-dividing shaft, 15-locking plate, 16-positioning seat, 17-positioning plate, 18-drawer, 19-positioning screw, 20-vertical sleeve, 21-positioning screw, 22-bidirectional screw, 23-regulating slide bar, 24-regulating wheel, 25-upper screw block, 26-lower screw block, 27-upper swing bar, 28-lower swing bar, 29-vertical rod, 30-pull rod, 31-clamping spring, 32-connecting rod, 33-angle screw block, 34-angle screw, 35-angle wheel, 36-limit screw, 37-guide rod, 38-clamping spring, 39-baffle plate, 40-stop screw, 41-main spring, 42-main nut, 43-side screw rod, 44-side spring and 45-side nut.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-9, the utility model provides an electrocardiogram limb lead fixing device, which comprises a base 1, wherein a plurality of universal wheels 2 are uniformly arranged at the bottom of the base 1, and support legs 3 capable of adjusting the vertical position are arranged at the bottom of the base 1; the top of the base 1 is provided with an installation disc 4 with an adjustable vertical position, and the left end and the rear end of the inner side of the top of the installation disc 4 are respectively provided with a clamping piece 5; a bottom box 6 with an opening at the right side is arranged at the bottom of the right side of the mounting plate 4; a swinging plate 11 capable of swinging horizontally is arranged at the bottom of the front side of the mounting disc 4, an inner plate 12 capable of adjusting the relative distance with the swinging plate 11 is arranged at the tail end of the swinging plate 11, and a plurality of detachable sub-plates 13 are arranged at the tail end of the inner plate 12; vertical split shafts 14 are respectively arranged at the rear sides of the tops of the split plates 13, and locking plates 15 capable of moving along the length direction of the split plates 13 are respectively arranged at the rear sides of the split shafts 14; the front side and the middle part of the top of the branch plate 13 are respectively provided with a v-shaped positioning seat 16, and the upper part of the inner side of the positioning seat 16 is respectively provided with a positioning plate 17 with an adjustable vertical position;

a main shaft 8 is arranged in the center of the front side of the mounting disc 4, a pressing plate 9 capable of adjusting the position forwards and backwards is arranged on the periphery of the main shaft 8, and side plates 10 capable of adjusting the position leftwards and rightwards are respectively arranged on the left side and the right side of the pressing plate 9;

the adjustable cabinet is characterized in that an adjusting cabinet 7 with adjustable front and back positions is arranged on the rear side of the top of the base 1, a plurality of cabinet openings are formed in the rear side of the adjusting cabinet 7 from top to bottom, and drawers 18 are arranged in the cabinet openings.

This device is through setting up adjustable vertical position's mounting disc 4 and two clamping pieces 5 in it and setting up the base 1 of taking universal wheel 2 to can adjust suitable position after the electrocardiograph location, make convenient convenience such as operation, not influenced, improve operating efficiency.

This device is through setting up the regulation cabinet 7 of box 6 and adjustable front and back position at the bottom to can place some heart electrograph operation spare parts or auxiliary instrument as required, thereby can help medical personnel to improve operating efficiency, reduce the operation complexity.

This device is through setting up adjustable horizontal angle's swing board 11 and a plurality of minute boards 13 on it, cooperation pivot 8 to can fix a position each lead line stably, improve the orderliness of leading the line, reduce the mixed and disorderly of bedside, improve operating efficiency, reduce misoperation rate.

As shown in fig. 3, a positioning screw rod 19 is connected to the front side of the top of the base 1 in a downward threaded manner, and the bottom end of the positioning screw rod 19 is rotatably connected with the support leg 3; the top end of the positioning screw rod 19 is coaxially and fixedly connected with a rotating wheel;

the top of the base 1 is fixedly connected with a hollow upright sleeve 20, the bottom end of the mounting disc 4 is fixedly connected with an upright rod 29, and the upright rod 29 is connected in the upright sleeve 20 in a sliding manner; the upper part of the front side of the vertical sleeve 20 is connected with a positioning screw 21 in a backward threaded manner, and the positioning screw 21 is screwed to form a structure for fixing the positions of the vertical sleeve 20 and the vertical rod 29.

Through setting up stabilizer blade 3, can be after moving this device to suitable position, the rotation the runner for stabilizer blade 3 moves down, thereby can improve this device's positional stability.

And through the interval of adjusting mounting disc 4 and base 1 to can change the vertical position of mounting disc 4 and the electrocardiograph in it as required, make the measurement be in the most convenient state, improve operating efficiency.

As shown in fig. 4, a bidirectional screw 22 is rotatably connected to the rear end of the upright sleeve 20, and the thread directions of the upper and lower sides of the bidirectional screw 22 are opposite; the top end of the bidirectional screw 22 is fixedly connected with an adjusting wheel 24; the upper side and the lower side of the bidirectional screw 22 are respectively in threaded connection with an upper screw block 25 and a lower screw block 26, the upper screw block 25 and the lower screw block 26 are both in sliding connection with an adjusting slide rod 23, and the adjusting slide rods 23 are both fixedly connected to the rear side of the vertical sleeve 20;

the rear side of the upper screw block 25 is hinged with a plurality of upper swing rods 27, the rear side of the lower screw block 26 is hinged with a plurality of lower swing rods 28, the tail ends of the upper swing rods 27 are hinged with the lower part of the front side of the adjusting cabinet 7, and the tail ends of the lower swing rods 28 are hinged with the upper part of the front side of the adjusting cabinet 7.

By changing the front and rear positions of the adjusting cabinet 7, the articles in the drawer 18 can be conveniently taken, and the operation efficiency is improved. The front and back adjustment principle of the adjusting cabinet 7 is as follows:

through rotating regulating wheel 24 for two-way screw rod 22 rotates, and then, last spiral shell piece 25 and lower spiral shell piece 26 of two-way screw rod 22 upper and lower side threaded connection can be close to relatively or keep away from along the axial of adjusting slide bar 23, thereby can make last pendulum rod 27 and lower pendulum rod 28 can swing, and then can make the relative contained angle of last pendulum rod 27 and lower pendulum rod 28 change, realize the front and back position of regulating cabinet 7 changes. As shown in fig. 5, the left end and the rear end of the top of the mounting plate 4 are respectively connected with a pull rod 30 with a T-shaped cross section in a sliding manner, and one end of the pull rod 30 located in the mounting plate 4 is respectively fixedly connected with the corresponding clamping piece 5; and clamping springs 31 are sleeved on the peripheries of the pull rods 30 between the mounting disc 4 and the clamping pieces 5 respectively.

The two pull rods 30 are pulled to move the two clamping pieces 5 out, and the electrocardiograph is placed in the mounting disc 4, so that the electrocardiograph can be stably positioned, and the stability of the device is kept.

As shown in fig. 6, an angle screw 34 is rotatably connected to the front side of the bottom of the mounting plate 4, and an angle screw block 33 is threadedly connected to the angle screw 34; the angle screw 34 is coaxially and fixedly connected with an angle wheel 35; the angle screw block 33 is hinged with a connecting rod 32, and the tail end of the connecting rod 32 is hinged with the middle part of the swinging plate 11; the rear end of the swinging plate 11 is hinged to the front side of the bottom of the mounting disc 4;

the inner plate 12 is connected in the swing plate 11 in a sliding manner; the bottom of the front side of the swing plate 11 is upwards connected with a limit screw 36 through threads, and the limit screw 36 is screwed to form a structure for fixing the positions of the swing plate 11 and the inner plate 12.

The angle adjustment principle of the swing plate 11 is as follows: by rotating the angle wheel 35, the angle screw 34 can be rotated, so that the angle screw 33 screwed on the angle screw 34 moves along the axial direction thereof, and the angle screw 33 can only move but cannot rotate due to the limitation of the swinging plate 11.

Therefore, the connecting rod 32 swings to drive the swinging plate 11 to swing, so that the angle change of the swinging plate 11 is realized, and the lead wire is convenient to position.

Through adjusting the interval of inner panel 12 and balance weight 11, can adjust according to the length of leading the line for this device can carry out better location to leading the line

As shown in fig. 8, the rear side of the division plate 13 is connected to the inner plate 12 by a bolt-nut pair; a support is fixedly connected to the rear side of the top of the sub-plate 13, an upper guide rod 37 and a lower guide rod 37 are slidably connected in the support, and the front end of each guide rod 37 is fixedly connected with the locking plate 15; a baffle plate 39 is fixedly connected with the rear end of the guide rod 37; a clamping spring 38 is sleeved on the periphery of the guide rod 37 between the support and the locking plate 15;

the top of the positioning seat 16 is respectively connected with a stop screw 40 in a downward threaded manner, and the bottom end of the stop screw 40 is rotatably connected with the corresponding positioning plate 17.

And winding each lead wire on the periphery of each branch shaft 14, and positioning the wound lead wires through the branch plates 13.

The wires extending out after the lead wires are wound are respectively arranged in the two positioning seats 16 and are positioned through the positioning plate 17, so that the orderliness of the lead wires can be ensured.

As shown in fig. 9, the spindle 8 and the platen 9 are slidably connected; a main nut 42 is connected to the front side of the main shaft 8 through threads, and a main spring 41 is sleeved on the periphery of the main shaft 8 between the main nut 42 and the pressure plate 9;

the left side and the right side of the pressing plate 9 are respectively fixedly connected with a side screw 43, and the side plates 10 are respectively connected with the corresponding side screws 43 in a sliding manner; the tail ends of the side screw rods 43 are respectively in threaded connection with side nuts 45; the side screw 43 between the side nut 45 and the side plate 10 is sleeved with a side spring 44.

And respectively pulling the pressing plate 9 and the side plate 10 outwards to wind the main line of the lead wire on the main shaft 8, releasing the pressing plate 9 and the side plate 10, so that the main line of the lead wire is positioned, and further clamping and positioning can be realized by rotating the main nut 42 and the side nut 45.

When the device is used, the device is firstly moved to a proper position according to the requirement, is positioned through the support legs 3, the vertical position of the mounting disc 4 is adjusted immediately, and the electrocardiograph is placed in the mounting disc 4 and is positioned. The angle of the swing plate 11 and the extension length of the inner plate 12 are adjusted, the patch and the clamp are connected to a proper position on a patient body through the lead wire, a main wire of the lead wire is wound on the main shaft 8 and positioned, and branch wires of the lead wire are wound on the branch shafts 14 and positioned respectively, so that the orderliness of the lead wire can be ensured, the operation is convenient, the operation complexity is reduced, and the operation success rate is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or scope of the invention as defined in the appended claims.

Although the terms of the base 1, the universal wheel 2, the support leg 3, the mounting plate 4, the clamping piece 5, the bottom box 6, the adjusting cabinet 7, the main shaft 8, the pressing plate 9, the side plate 10, the swinging plate 11, the inner plate 12, the dividing plate 13, the dividing shaft 14, the locking plate 15, the positioning seat 16, the positioning plate 17, the drawer 18, the positioning screw 19, the upright sleeve 20, the positioning screw 21, the two-way screw 22, the adjusting slide bar 23, the adjusting wheel 24, the upper screw 25, the lower screw 26, the upper swinging bar 27, the lower swinging bar 28, the upright bar 29, the pull rod 30, the clamping spring 31, the connecting rod 32, the angle screw 33, the angle screw 34, the angle wheel 35, the limit screw 36, the guide rod 37, the clamping spring 38, the blocking plate 39, the stop screw 40, the main spring 41, the main nut 42, the side screw 43, the side spring 44, the side nut 45 and the like are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an electrocardiogram limb leads fixing device, includes base (1), and base (1) bottom evenly is provided with a plurality of universal wheels (2), its characterized in that: the bottom of the base (1) is provided with a support leg (3) with an adjustable vertical position; the top of the base (1) is provided with an installation disc (4) with an adjustable vertical position, and the left end and the rear end of the inner side of the top of the installation disc (4) are respectively provided with a clamping piece (5); a bottom box (6) with an opening at the right side is arranged at the bottom of the right side of the mounting disc (4); a swinging plate (11) capable of swinging horizontally is arranged at the bottom of the front side of the mounting disc (4), an inner plate (12) capable of adjusting the relative distance with the swinging plate (11) is arranged at the tail end of the swinging plate (11), and a plurality of detachable sub-plates (13) are arranged at the tail end of the inner plate (12); vertical split shafts (14) are respectively arranged on the rear sides of the tops of the split plates (13), and locking plates (15) capable of moving along the length direction of the split plates (13) are respectively arranged on the rear sides of the split shafts (14); the front side and the middle part of the top of the branch plate (13) are respectively provided with a v-shaped positioning seat (16), and the upper part of the inner side of the positioning seat (16) is respectively provided with a positioning plate (17) capable of adjusting the vertical position;

a main shaft (8) is arranged in the center of the front side of the mounting disc (4), a pressing plate (9) capable of adjusting the position forwards and backwards is arranged on the periphery of the main shaft (8), and side plates (10) capable of adjusting the position leftwards and rightwards are respectively arranged on the left side and the right side of the pressing plate (9);

the adjustable cabinet is characterized in that an adjusting cabinet (7) with adjustable front and back positions is arranged on the rear side of the top of the base (1), a plurality of cabinet openings are formed in the rear side of the adjusting cabinet (7) from top to bottom, and drawers (18) are arranged in the cabinet openings.

2. The electrocardiogram limb lead fixing device of claim 1, wherein: the front side of the top of the base (1) is connected with a positioning screw rod (19) in a downward threaded manner, and the bottom end of the positioning screw rod (19) is rotatably connected with the support leg (3); the top end of the positioning screw rod (19) is coaxially and fixedly connected with a rotating wheel;

the top of the base (1) is fixedly connected with a hollow upright sleeve (20), the bottom end of the mounting disc (4) is fixedly connected with an upright rod (29), and the upright rod (29) is connected in the upright sleeve (20) in a sliding manner; the upper part of the front side of the vertical sleeve (20) is connected with a positioning screw (21) in a backward threaded manner, and the positioning screw (21) is screwed to form a structure for fixing the positions of the vertical sleeve (20) and the vertical rod (29).

3. The electrocardiogram limb lead fixing device of claim 2, wherein: the rear end of the vertical sleeve (20) is rotatably connected with a bidirectional screw (22), and the thread directions of the upper side and the lower side of the bidirectional screw (22) are opposite; the top end of the bidirectional screw rod (22) is fixedly connected with an adjusting wheel (24); the upper side and the lower side of the bidirectional screw rod (22) are respectively in threaded connection with an upper screw block (25) and a lower screw block (26), the upper screw block (25) and the lower screw block (26) are both in sliding connection with an adjusting slide rod (23), and the adjusting slide rods (23) are both fixedly connected to the rear side of the vertical sleeve (20);

the rear side of the upper screw block (25) is hinged with a plurality of upper swing rods (27), the rear side of the lower screw block (26) is hinged with a plurality of lower swing rods (28), the tail ends of the upper swing rods (27) are hinged to the lower portion of the front side of the adjusting cabinet (7), and the tail ends of the lower swing rods (28) are hinged to the upper portion of the front side of the adjusting cabinet (7).

4. The electrocardiogram limb lead fixing device of claim 1, wherein: the left end and the rear end of the top of the mounting disc (4) are respectively connected with a pull rod (30) with a T-shaped cross section in a sliding manner, and one end of each pull rod (30) positioned in the mounting disc (4) is respectively fixedly connected with the corresponding clamping piece (5); the periphery of the pull rod (30) between the mounting disc (4) and the clamping piece (5) is sleeved with a clamping spring (31) respectively.

5. The electrocardiogram limb lead fixing device of claim 1, wherein: the front side of the bottom of the mounting disc (4) is rotatably connected with an angle screw rod (34), and the angle screw rod (34) is in threaded connection with an angle screw block (33); the angle screw (34) is coaxially and fixedly connected with an angle wheel (35); the angle screw block (33) is hinged with a connecting rod (32), and the tail end of the connecting rod (32) is hinged with the middle part of the swinging plate (11); the rear end of the swinging plate (11) is hinged to the front side of the bottom of the mounting disc (4);

the inner plate (12) is connected in the swing plate (11) in a sliding manner; the bottom of the front side of the swinging plate (11) is upwards in threaded connection with a limit screw (36), and the limit screw (36) is screwed to form a structure for fixing the positions of the swinging plate (11) and the inner plate (12).

6. The electrocardiogram limb lead fixing device of claim 1, wherein: the rear side of the sub-plate (13) is connected with the inner plate (12) through a bolt and nut pair; the rear side of the top of the sub-plate (13) is fixedly connected with a support, an upper guide rod (37) and a lower guide rod (37) are connected in the support in a sliding mode, and the front end of each guide rod (37) is fixedly connected with the locking plate (15); a baffle plate (39) is fixedly connected with the rear end of the guide rod (37); a clamping spring (38) is sleeved on the periphery of a guide rod (37) between the support and the locking plate (15);

the top of the positioning seat (16) is respectively connected with a stop screw (40) in a downward threaded manner, and the bottom end of each stop screw (40) is rotatably connected with the corresponding positioning plate (17).

7. The electrocardiogram limb lead fixing device of claim 1, wherein: the main shaft (8) is connected with the pressure plate (9) in a sliding way; the front side of the main shaft (8) is in threaded connection with a main nut (42), and a main spring (41) is sleeved on the periphery of the main shaft (8) between the main nut (42) and the pressure plate (9);

the left side and the right side of the pressing plate (9) are respectively and fixedly connected with side screw rods (43), and the side plates (10) are respectively in sliding connection with the corresponding side screw rods (43); the tail ends of the side screw rods (43) are respectively in threaded connection with side nuts (45); and side springs (44) are sleeved on the peripheries of the side screws (43) between the side nuts (45) and the side plates (10) respectively.