阅读说明：本技术 一种有线无线一体化胎儿监测仪 (Wired wireless integration fetus monitor ) 是由 王永浩 刘�东 于 2021-07-01 设计创作，主要内容包括：本发明涉及胎儿监测仪技术领域,具体为一种有线无线一体化胎儿监测仪,包括器体,所述器体包括显示屏、连接线和探测头,所述连接线固定安装在显示屏与探测头之间,且连接线呈螺旋状,所述连接线的内部活动安装有撑张件,所述撑张件包括伸张单元、夹持机构和支撑框,且夹持机构固定安装在伸张单元的下端,所述支撑框滑动连接在夹持机构的内部；其中,所述伸张单元包括T形柱筒、T形推杆、圆筒、导轨、顶杆、第一滑槽、转盘、第一弹簧和抵板,所述T形柱筒介于连接线的上半段位置,且T形推杆贯穿连接在T形柱筒的上端。本发明,能够便于连接线的移动,且可减少连接线的形变和弹性势能下降的情况,减少连接线与肚皮及耦合剂的碰触。(The invention relates to the technical field of fetal monitors, in particular to a wired and wireless integrated fetal monitor, which comprises a device body, wherein the device body comprises a display screen, a connecting wire and a detecting head, the connecting wire is fixedly arranged between the display screen and the detecting head and is spiral, a stretching piece is movably arranged in the connecting wire and comprises a stretching unit, a clamping mechanism and a supporting frame, the clamping mechanism is fixedly arranged at the lower end of the stretching unit, and the supporting frame is connected in the clamping mechanism in a sliding manner; the stretching unit comprises a T-shaped column casing, a T-shaped push rod, a cylinder, a guide rail, a push rod, a first sliding groove, a rotating disc, a first spring and a supporting plate, the T-shaped column casing is arranged at the upper half part of the connecting line, and the T-shaped push rod is connected to the upper end of the T-shaped column casing in a penetrating mode. The invention can facilitate the movement of the connecting wire, reduce the deformation of the connecting wire and the reduction of elastic potential energy, and reduce the contact of the connecting wire with the belly skin and the couplant.)

1. The utility model provides a wired wireless integration foetus monitor, includes the ware body (1), its characterized in that: the device body (1) comprises a display screen (2), a connecting wire (3) and a detecting head (4), the connecting wire (3) is installed between the display screen (2) and the detecting head (4) in an inserting mode, the connecting wire (3) is spiral, a stretching piece (5) is movably installed inside the connecting wire (3), the stretching piece (5) comprises a stretching unit (6), a clamping mechanism (7) and a supporting frame (8), the supporting frame (8) is movably installed at the lower end of the stretching unit (6), and the clamping mechanism (7) is movably connected to the left side and the right side of the supporting frame (8);

wherein the extension unit (6) comprises a T-shaped column barrel (61), a T-shaped push rod (62), a cylinder (63), guide rails (64), a push rod (65), a first sliding chute (66), a rotating disc (67), a first spring (68) and a resisting plate (69), the T-shaped column barrel (61) is arranged at one third of the line barrel inside the connecting line (3), the T-shaped push rod (62) is connected to the upper end of the T-shaped column barrel (61) in a penetrating manner, the cylinder (63) is installed inside the T-shaped column barrel (61) in a sliding manner, the number of the guide rails (64) is two, the two guide rails (64) are symmetrically arranged inside the cylinder (63) in a left-right manner, the push rod (65) is connected inside the cylinder (63) in a penetrating manner, the lower end of the push rod (65) penetrates through the cylinder (63) and is connected with the resisting plate (69), and the resisting plate (69) penetrates through the position of a lower end opening of the T-shaped column barrel (61), the first sliding groove (66) is formed in the outer surface of the ejector rod (65), the guide rail (64) is embedded in the first sliding groove (66), the rotary table (67) is movably mounted in the cylinder (63), the upper end of the rotary table is connected with the T-shaped push rod (62) through a first spring (68), and the tip surface of the lower end of the ejector rod (65) is matched with the inclined surface of the upper end of the rotary table (67);

the lower end positions of the inner part of the T-shaped column casing (61) close to the left side and the right side are respectively provided with an extraction component (60), the extraction assembly (60) comprises a concave frame (601), a disc (602), a traction strip (603) and a spring leaf (604), the concave frame (601) is fixedly arranged on the inner surface of the T-shaped column tube (61), and the disc (602) is movably connected inside the concave frame (601) through a rotating shaft, the spring leaf (604) is fixedly connected between the traction strip (603) and the disc (602) in a winding way, the traction strip (603) penetrates through the T-shaped column casing (61) to the lower end, a rectangular groove (611) is arranged at the part, penetrating through the T-shaped column casing (61), of the traction strip (603), an I-shaped abutting rod (612) is connected in the rectangular groove (611) in a penetrating way at the position close to the right side, the I-shaped abutting rod (612) penetrates through the opening of the T-shaped column casing (61). And two groups of elastic ropes (613) are arranged between the I-shaped abutting rod (612) and the T-shaped column barrel (61) through groove.

2. The wired and wireless integrated fetal monitor of claim 1, wherein: fixture (7) are including V-arrangement splint (71), T shape slide (72), spill interior piece (73) and elastic band (74), T shape slide (72) fixed mounting is in the right side below position of V-arrangement splint (71), and T shape slide (72) run through the inside at carriage (8), two from top to bottom V-arrangement splint (71) are connected through drawing strip (603), the slider of T shape slide (72) is negative pole magnet, piece (73) fixed mounting is in the contained angle department of V-arrangement splint (71) in the spill, and the breach width of spill interior piece (73) is greater than the thickness of connecting wire (3), the breach both sides of piece (73) in the spill are provided with the small opening, elastic band (74) fixed mounting is in the well upper segment position of V-arrangement splint (71).

3. The wired and wireless integrated fetal monitor of claim 1, wherein: the internal surface of V-arrangement splint (71) is close to all embedded semicircle gasbag (711) of left and right sides upper end position, and the left side position fixed mounting of semicircle gasbag (711) has blast pipe (712), blast pipe (712) run through the small opening of V-arrangement splint (71) and spill inner block (73) internal surface and are connected.

4. The wired and wireless integrated fetal monitor of claim 1, wherein: the left side lower extreme position of carriage (8) is the inclined plane, and its inclined plane personally submits 30 ° -40 °, the outside surface of the side of controlling of carriage (8) all is provided with second spout (81), T shape slide (72) run through second spout (81) and paste mutually with the inner wall of carriage (8), bilateral symmetry's two T shape slide (72) run through the inside at carriage (8), two be connected through coupling assembling (82) between T shape slide (72).

5. The wired and wireless integrated fetal monitor of claim 4, wherein: the quantity of coupling assembling (82) is two sets of, and its front and back position of installing in T shape slide (72), coupling assembling (82) are including first semicircle strip (821), second semicircle strip (822), return shape frame (823) and roller bearing (824), every group the quantity of second semicircle strip (822) of coupling assembling (82) is two sets of, and its difference fixed mounting is in the front and back end of two T shape slides (72), first semicircle strip (821) are the rear end of dislocation mounting at two second semicircle strips (822), and the quantity of returning shape frame (823) is two, two return shape frame (823) fixed mounting and be close to left and right sides side position at the internal surface of first semicircle strip (821), second semicircle strip (822) run through back shape frame (823) and are connected with roller bearing (824).

6. The wired and wireless integrated fetal monitor of claim 1, wherein: the lower extreme fixed mounting of unit (6) of stretching has adsorption component (9), and adsorption component (9) run through the inside at carriage (8), adsorption component (9) include first magnetism section of thick bamboo (91), second magnetism section of thick bamboo (92) and sponge strip (93), first magnetism section of thick bamboo (91) fixed mounting is between second magnetism section of thick bamboo (92) and support board (69), and the diameter of second magnetism section of thick bamboo (92) is greater than the diameter of first magnetism section of thick bamboo (91), sponge strip (93) are filled in the inside of first magnetism section of thick bamboo (91) and second magnetism section of thick bamboo (92), the surface magnetism of first magnetism section of thick bamboo (91) is the negative pole, and the surface magnetism of second magnetism section of thick bamboo (92) is anodal.

Technical Field

The invention relates to the technical field of fetal monitors, in particular to a wired and wireless integrated fetal monitor.

Background

Along with the development of science and technology, the fetus monitor has rapidly developed and popularized in recent years, the fetus monitor becomes necessary equipment for monitoring the growth condition of the fetus of a pregnant woman in the pregnancy period, the fetus monitor is divided into wired and wireless devices, the probe of the wireless fetus monitor device has limited battery service time, when the electric quantity is insufficient, the wireless probe needs to be charged or replaced, the long-time monitoring requirement cannot be met, under a partially complex electromagnetic environment, the network of the wireless probe is unstable, the monitoring data loss is easily caused, and great inconvenience is brought to the work of medical personnel. Therefore, the wireless and wired combined use is more convenient.

In the prior patent (publication number: CN111820885A), a wired and wireless integrated fetal monitor comprises a wireless monitoring probe, a monitoring host and a plug-in connector, wherein the wireless monitoring probe is connected with the monitoring host through the plug-in connector, the plug-in connector is provided with a first spring needle, and the wireless monitoring probe is provided with a connecting contact corresponding to the first spring needle; the monitoring host is provided with a plurality of magnetic connecting seats, and the magnetic connecting seats are provided with second spring pins corresponding to the connecting contacts; the wired and wireless integrated fetal monitor can be flexibly switched between wired and wireless connection states, and can better realize stable and long-time uninterrupted fetal monitoring work.

In the process of implementing the invention, the inventor finds that at least the following problems exist in the technical scheme and are not solved:

1. the detector body is applied to the examination of pregnant women and fetuses in obstetrics and gynecology department, when the detector body is used, the pregnant women lie on a sickbed, a user coats a couplant on the belly skin of the pregnant women, the detector head is held by hands to move back and forth on the belly skin, so that the fetuses in the belly can be monitored, the connecting wire also moves along with the detector head in the back and forth movement process, the moving position of the detector head is not fixed, the connecting wire needs to be stretched continuously, the existing connecting wires are two types, one type is a linear wire rope, the other type is a threaded spring type wire rope, the threaded wire rope has higher elasticity, the use is convenient, but after the detector head is used and pulled for multiple times, the elastic potential energy is reduced, and meanwhile, the connecting wire is easy to cause winding and knotting after the use, and the movement of the detector head is influenced;

2. in addition, when the monitor is used, the connecting wire moves along with the probe, and the connecting wire close to the joint of the probe and the probe is very easy to touch with the belly skin of the pregnant woman, so that the couplant scraped on the belly skin can be scraped, and the contaminated couplant can be brought into other places to influence the use feeling.

Therefore, a wired and wireless integrated fetal monitor is provided.

Disclosure of Invention

The invention aims to provide a wired and wireless integrated fetal monitor, which can facilitate the movement of a connecting wire, reduce the deformation and the reduction of elastic potential energy of the connecting wire and reduce the contact of the connecting wire with a belly and a couplant so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a wired and wireless integrated fetal monitor comprises a monitor body, wherein the monitor body comprises a display screen, a connecting wire and a detecting head, the connecting wire is installed between the display screen and the detecting head in an inserting mode and is spiral, a stretching piece is movably installed inside the connecting wire, the stretching piece comprises a stretching unit, a clamping mechanism and a supporting frame, the supporting frame is movably installed at the lower end of the stretching unit, and the clamping mechanism is movably connected to the left side and the right side of the supporting frame;

wherein the stretching unit comprises a T-shaped column barrel, a T-shaped push rod, a cylinder, a guide rail, a push rod, a first chute, a turntable, a first spring and a resisting plate, the T-shaped column barrel is arranged at one third of the inner line barrel of the connecting line, and the T-shaped push rod is connected with the upper end of the T-shaped column casing in a penetrating way, the cylinder is arranged inside the T-shaped column casing in a sliding way, the number of the guide rails is two, the two guide rails are arranged in the cylinder in a bilateral symmetry manner, the top rod is connected inside the cylinder in a penetrating way, the lower end of the top rod is connected with the resisting plate through the cylinder, the support plate penetrates through the position of the cylinder opening at the lower end of the T-shaped cylinder, the first sliding groove is formed in the outer surface of the ejector rod, the guide rail is embedded in the first sliding groove, the rotary table is movably arranged in the cylinder, the upper end of the rotary table is connected with the T-shaped push rod through a first spring, and the tip surface of the lower end of the push rod is matched with the inclined surface of the upper end of the rotary table;

the inside of T shape leg all is provided with the extraction subassembly near controlling side lower extreme position, the extraction subassembly includes spill frame, disc, pulls strip and clockwork spring leaf, spill frame fixed mounting is at the internal surface of T shape leg, and the disc is through pivot swing joint in the inside of spill frame, clockwork spring leaf passes through winding mode fixed connection and pulls between strip and the disc, and pulls the strip and run through T shape leg to lower extreme, the part of pulling the T shape leg that the strip runs through is provided with the rectangular channel, and the position through connection that the inside of rectangular channel is close to the right side has the I-shaped to support the pole, the I-shaped supports the pole and runs through inside the nozzle of T shape leg. And two groups of elastic ropes are arranged between the I-shaped abutting rod and the T-shaped column casing through groove.

When the device works, the T-shaped column barrel penetrates through one third of the inside of the line barrel of the connecting line, the remaining connecting line is clamped with the clamping mechanism, the using mode of the stretching unit is consistent with the working principle of a pressing type ball pen, the T-shaped push rod is pressed downwards, the resisting plate is pushed out from a barrel mouth at the lower end of the T-shaped column barrel, the resisting plate upwards pushes the ejector rod, the ejector rod is matched among the barrel, the guide rail and a first sliding groove on the ejector rod, the ejector rod upwards pushes the rotary table, then the inclined surface of the rotary table is separated from the lower end of the guide rail, the tip of the ejector rod contacts and extrudes the inclined surface of the rotary table, under the elastic action of a first spring, the rotary table radially rotates, at the moment, the rotary table downwards pushes the ejector rod, the ejector rod downwards pushes the resisting plate until the lower end of the resisting plate penetrates through the T-shaped column barrel, the resisting plate is staggered with the I-shaped resisting rod, the I-shaped resisting rod is popped from the rectangular groove under the elastic action of the elastic rope, and the traction strip can be pulled up and down, when the connecting wire moves along with the probe, the traction strip and the clamping mechanism are also dragged when the connecting wire is pulled downwards due to the elasticity of the connecting wire, and the limitation of the clamping mechanism is kept with the elasticity of the traction strip, so that the movement of the connecting wire can be facilitated, and the deformation of the connecting wire and the reduction of elastic potential energy can be reduced; after the device body is used, the connecting wire stops pulling, the traction strip automatically returns under the action of the spring piece of the spring, the T-shaped push rod can be pressed again, the push rod is pushed on the abutting plate, the tip of the push rod is separated from the inclined plane of the rotary disc, the rotary disc is rotated under the action of radial force under the action of the first spring elasticity, the inclined plane on the rotary disc is superposed with the guide rail, then the push rod and the abutting plate move upwards, the abutting plate is pushed into the barrel opening position of the T-shaped barrel, and due to the fact that the edge of the abutting block is designed in an arc shape, the obstruction in the up-and-down sliding process can be reduced;

it should be noted that the connecting wire is stretched straight and loses elasticity after being pulled for a long time without the help of the clamping mechanism to limit and rebound.

Preferably, fixture includes V-arrangement splint, T shape slide, spill inner block and elastic band, T shape slide fixed mounting is in the right side lower position of V-arrangement splint, and T shape slide runs through in the inside of braced frame, two from top to bottom the V-arrangement splint are connected through pulling the strip, the slider of T shape slide is negative pole magnet, spill inner block fixed mounting is in the contained angle department of V-arrangement splint, and the breach width of spill inner block is greater than the thickness of connecting wire, the breach both sides of spill inner block are provided with the small opening, elastic band fixed mounting is in the well upper segment position of V-arrangement splint.

When the device works, under the normal condition, the connecting wire is clamped in the V-shaped clamping plate, when the device body runs, the detecting head drives the connecting wire to downwards pull, under the action of the traction force of the traction strip, the connecting wire drives the V-shaped clamping plate to downwards move, meanwhile, the downwards traction speed of the connecting wire is greater than the downwards sliding speed of the V-shaped clamping plate, therefore, the connecting wire is downwards clamped in the V-shaped clamping plate along the trend, when the connecting wire downwards moves, the connecting wire is pressed against the middle section position of the elastic belt, the elastic belt wraps the connecting wire and is clamped in the clamping groove of the concave inner block together, the V-shaped clamping plate is closed due to the traction of the left end and the right end of the elastic belt, the concave inner block is clamped, so that the connecting wire is limited in the V-shaped clamping plate, and the synchronous downwards moving speed of the connecting wire and the clamping mechanism is kept conveniently.

Preferably, the internal surface of V-arrangement splint is close to all embedded semicircle gasbags that have in the left and right sides upper end position, and the left side position fixed mounting of semicircle gasbag has the blast pipe, the blast pipe runs through the small opening that V-arrangement splint and spill inner block internal surface and is connected.

During operation, when the V-shaped splint is pressed down by the connecting wire and the contained angle is closed, two semicircle gasbags are close to, extrude along with the closure of V-shaped splint, and the inside gas of the semicircle gasbag of mutual extrusion passes through the blast pipe and discharges, and the combustion gas blows the inside of piece in to the spill to can help the centre gripping dispel the heat at the inside connecting wire of breach.

Preferably, the lower end of the left side of the supporting frame is an inclined plane, the inclined plane is 30-40 degrees, the outer surfaces of the left side and the right side of the supporting frame are provided with second sliding grooves, the T-shaped sliding plates penetrate through the second sliding grooves and are attached to the inner wall of the supporting frame, the two T-shaped sliding plates which are symmetrical left and right penetrate through the inside of the supporting frame, and the two T-shaped sliding plates are connected through the connecting assembly.

When the device body is used, the connecting wire can be pulled to be overlong along with the detection requirement, and meanwhile, the connecting wire moves along with the detecting head, so that the connecting wire close to the joint of the connecting wire and the detecting head is easy to contact with the belly of the pregnant woman, thereby scratching the couplant on the belly, leading the contaminated couplant to be carried to other places along with the movement of the connecting wire, therefore, when in use, when the connecting wire is pulled by the probe head, the clamping mechanism slides up and down in the supporting frame along with the pulling of the connecting wire, when in normal sliding, the T-shaped sliding plate is connected with the straight second sliding groove in a sliding way, when the connecting wire is pulled too long, the T-shaped sliding plate slides downwards, the T-shaped sliding plate on the left side slides to the inclined plane at the lower end of the left side of the supporting frame, the connecting wire close to the detecting head is retracted inwards, therefore, when the connecting wire is stretched and moves along with the probe, the contact between the connecting wire and the belly skin and the couplant can be reduced.

Preferably, coupling assembling's quantity is two sets of, and its position around installing at T shape slide, coupling assembling includes first semicircle strip, second semicircle strip, returns shape frame and roller bearing, every group coupling assembling's second semicircle strip's quantity is two sets of, and its difference fixed mounting is in the front and back end of two T shape slides, first semicircle strip is the dislocation and installs the rear end at two second semicircle strips, and returns the quantity of shape frame and be two, two it is close to left and right sides position to return the internal surface of shape frame fixed mounting at first semicircle strip, the second semicircle strip runs through back the shape frame and is connected with the roller bearing.

When the connecting component works, when the left and right T-shaped sliding plates are connected to the straight second sliding chute in a sliding manner, the connecting component is connected between the two T-shaped sliding plates, so that the left and right T-shaped sliding plates can be kept on the same plane, and the downward moving speeds of the left and right T-shaped sliding plates are kept close to each other, thereby reducing the distortion of a connecting line; when the connecting wire pulling overlength, T shape slide down, left T shape slide to the inclined plane department of the left side lower extreme of carriage, simultaneously, the T shape slide on right side keeps motionless, and left T shape slide moves to the inside of carriage, and its left side is close to two second semicircle strips around respectively and moves left, and the roller bearing also rolls to the middle part of first semicircle strip along with it to can keep steadily placing and removing of T shape slide.

Preferably, the lower extreme fixed mounting who stretches the unit has adsorption component, and adsorption component runs through the inside at the carriage, adsorption component includes a first magnetism section of thick bamboo, a second magnetism section of thick bamboo and sponge strip, a first magnetism section of thick bamboo fixed mounting is between a second magnetism section of thick bamboo and support the board, and the diameter of a second magnetism section of thick bamboo is greater than the diameter of a first magnetism section of thick bamboo, the sponge strip is filled in the inside of a first magnetism section of thick bamboo and a second magnetism section of thick bamboo, the surface magnetism of a first magnetism section of thick bamboo is the negative pole, and the surface magnetism of a second magnetism section of thick bamboo is anodal.

When the T-shaped sliding plate works, the bottom plate drives the adsorption assembly to move downwards by pressing the stretching unit, the first magnetic cylinder and the second magnetic cylinder correspond to the second sliding chute, when the connecting line drives the clamping mechanism to normally pull downwards, the T-shaped sliding plate slides along the straight second sliding chute, at the moment, the T-shaped sliding plate and the first magnetic cylinder repel each other in the same polarity, and the T-shaped sliding plate is tightly attached to the inner wall of the support frame under the action of the repulsive force of the magnet, so that the T-shaped sliding plate can be kept to move smoothly; when the stretching distance of the connecting line between the T-shaped sliding plate and the first magnetic cylinder is too long, the T-shaped sliding plate on the left side slides into the inclined second sliding groove, the T-shaped sliding plate and the second magnetic cylinder attract each other in opposite polarity, the T-shaped sliding plate moves towards the inner side of the supporting frame, and meanwhile, the traction strip and the V-shaped clamping plate drive the connecting line to be close to the supporting frame, so that the rope pull-back effect at the connecting position of the detecting head and the connecting line can be improved.

Compared with the prior art, the invention has the beneficial effects that:

1. the supporting piece is placed in the wire barrel of the connecting wire, so that the connecting wire can be supported and limited, and then the supporting piece is matched with the clamping mechanism for use, when the stretching unit is pressed for the first time, the abutting plate is separated from the barrel opening of the T-shaped column barrel, the drawing assembly can move, the drawing strip can be drawn up and down, when the connecting wire moves along with the detecting head, the drawing strip and the clamping mechanism are drawn and pulled down, the limitation of the clamping mechanism is kept with the elastic force of the drawing strip, so that the connecting wire can be moved conveniently, and the deformation of the connecting wire and the condition of the reduction of the elastic potential energy can be reduced; when the extension unit is pressed down for the second time, the abutting plate enters the opening of the T-shaped column barrel, the extraction assembly stops moving, the traction strip abuts against the extraction assembly, and the clamping mechanism uniformly limits the connecting wire, so that the movement of the clamping mechanism can be limited, and the limitation of the clamping mechanism on the connecting wire is facilitated;

2. through the cooperation use of fixture and carriage, slide on the carriage through fixture, during normal slip, T shape slide sliding connection is at straight to the second spout, and when the connecting wire pulling overlength, T shape slide slides downwards, and left T shape slide slides to the inside that slides in inclined plane second spout, and the connecting wire that is close to detecting head department is received to the inboard to when the connecting wire elongates and removes along with the detecting head, can reduce touching of connecting wire and belly skin and couplant.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the stretcher of the present invention in combination with a connecting wire;

FIG. 3 is a view of the combination of the stretcher unit and the clamping mechanism of the present invention;

FIG. 4 is a cross-sectional view at F-F of FIG. 3 of the present invention;

FIG. 5 is an enlarged schematic view of the mechanism at A of the present invention;

FIG. 6 is an internal structural view of the clamping mechanism of the present invention;

FIG. 7 is an internal cross-sectional view of the support frame in combination with the clamping mechanism of the present invention;

FIG. 8 is a top plan view of the inner cross-sectional structure of FIG. 7 at A-A in accordance with the present invention;

FIG. 9 is an internal cross-sectional view of the adsorbent assembly of the present invention.

In the figure: 1. a body; 2. a display screen; 3. a connecting wire; 4. a probe head; 5. a bracing member; 6. a stretching unit; 61. a T-shaped column; 611. a rectangular groove; 612. an I-shaped abutting rod; 613. a rope bouncing; 62. a T-shaped push rod; 63. a cylinder; 64. a guide rail; 65. a top rod; 66. a first chute; 67. a turntable; 68. a first spring; 69. a resisting plate; 60. an extraction assembly; 601. a concave frame; 602. a disc; 603. a traction bar; 604. a spring leaf; 7. a clamping mechanism; 71. a V-shaped splint; 711. a semicircular air bag; 712. an exhaust pipe; 72. a T-shaped slide plate; 73. a concave inner block; 74. an elastic band; 8. a support frame; 81. a second chute; 82. a connecting assembly; 821. a first semicircular strip; 822. a second semicircular strip; 823. a clip frame; 824. a roller; 9. an adsorption component; 91. a first magnetic cylinder; 92. a second magnetic cylinder; 93. a sponge strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution:

a wired and wireless integrated fetal monitor is shown in figures 1 to 7 and comprises a device body 1, wherein the device body 1 comprises a display screen 2, a connecting wire 3 and a detecting head 4, the connecting wire 3 is installed between the display screen 2 and the detecting head 4 in an inserting mode, the connecting wire 3 is in a spiral shape, a stretching piece 5 is movably installed inside the connecting wire 3, the stretching piece 5 comprises a stretching unit 6, a clamping mechanism 7 and a supporting frame 8, the supporting frame 8 is movably installed at the lower end of the stretching unit 6, and the clamping mechanism 7 is movably connected to the left side and the right side of the supporting frame 8;

wherein, the extension unit 6 comprises a T-shaped cylinder 61, a T-shaped push rod 62, a cylinder 63, guide rails 64, a push rod 65, a first sliding groove 66, a rotary table 67, a first spring 68 and a support plate 69, the T-shaped cylinder 61 is located at one third of an inner line cylinder formed by the connecting lines 3, the T-shaped push rod 62 is connected to the upper end of the T-shaped cylinder 61 in a penetrating manner, the cylinder 63 is installed inside the T-shaped cylinder 61 in a sliding manner, the number of the guide rails 64 is two, the two guide rails 64 are symmetrically arranged inside the cylinder 63, the push rod 65 is connected inside the cylinder 63 in a penetrating manner, the lower end of the push rod 65 is connected with the support plate 69 in a penetrating manner, the support plate 69 is arranged at the position of a cylinder opening at the lower end of the T-shaped cylinder 61 in a penetrating manner, the first sliding groove 66 is arranged on the outer surface of the push rod 65, the guide rails 64 are embedded inside the first sliding groove 66, the rotary table 67 is movably installed inside the cylinder 63, the upper end of the top rod 65 is connected with a T-shaped push rod 62 through a first spring 68, and the tip surface of the lower end of the top rod 65 is matched with the inclined surface of the upper end of the turntable 67;

the inside of T shape cylinder 61 is close to left and right sides lower extreme position and all is provided with extraction subassembly 60, extraction subassembly 60 includes concave frame 601, disc 602, traction strip 603 and clockwork spring leaf 604, concave frame 601 fixed mounting is in the internal surface of T shape cylinder 61, and disc 602 through pivot swing joint in the inside of concave frame 601, clockwork spring leaf 604 through winding mode fixed connection between traction strip 603 and disc 602, and traction strip 603 runs through T shape cylinder 61 to the lower extreme, the part of T shape cylinder 61 that traction strip 603 runs through is provided with rectangular channel 611, and the position on the inside of rectangular channel 611 is close to the right side run through and is connected with I-shaped butt rod 612, I-shaped butt rod 612 runs through inside the tube mouth of T shape cylinder 61, and is provided with two sets of elastic ropes 613 between I-shaped butt rod 612 and the T shape cylinder 61 run through the groove.

When the device works, the T-shaped column tube 61 penetrates through one third of the inner part of the line tube of the connecting line 3, the rest connecting line 3 is clamped with the clamping mechanism 7, the using mode of the extension unit 6 is consistent with the working principle of a pressing type ball pen, the T-shaped push rod 62 is pressed downwards, the resisting plate 69 is pushed out from the tube mouth at the lower end of the T-shaped column tube 61, the resisting plate 69 upwards pushes the ejector rod 65, the ejector rod 65 is matched among the tube 63, the guide rail 64 and the first sliding groove 66 on the ejector rod 65, the ejector rod 65 pushes the rotary disc 67 upwards, then the inclined plane of the rotary disc 67 is separated from the lower end of the guide rail 64, the tip end of the ejector rod 65 contacts and extrudes the inclined plane of the rotary disc 67, the rotary disc 67 rotates radially under the elastic force of the first spring 68, at the moment, the rotary disc 67 pushes the ejector rod 65 downwards, the ejector rod 65 pushes the resisting plate 69 downwards until the lower end of the resisting plate 69 penetrates through the T-shaped column tube 61, the resisting plate 69 is dislocated with the I-shaped resisting rod 612, the I-shaped abutting rod 612 is popped out from the rectangular groove 611 under the elastic force of the elastic rope 613, the traction strip 603 can be pulled up and down, when the connecting wire 3 moves along with the detecting head 4, due to the elasticity of the connecting wire 3, the traction strip 603 and the clamping mechanism 7 are also pulled when the connecting wire 3 is pulled downwards, the limitation of the clamping mechanism 7 is kept with the elastic force of the traction strip 603, so that the movement of the connecting wire 3 can be facilitated, and the deformation and the elastic potential energy reduction of the connecting wire 3 can be reduced; however, after the device body 1 is used, the connecting wire 3 stops being pulled, the traction strip 603 automatically returns under the action of the spring leaf 604, the T-shaped push rod 62 can be pressed again, the abutting plate 69 pushes the ejector rod 65 upwards, the tip of the ejector rod 65 is separated from the inclined surface of the rotary disc 67, the rotary disc 67 is rotated under the action of the elastic force of the first spring 68, the inclined surface of the rotary disc 67 is overlapped with the guide rail 64, then the ejector rod 65 and the abutting plate 69 move upwards, the abutting plate 69 pushes the opening of the T-shaped column tube 61, and the edge of the abutting block 69 is designed in an arc shape, so that the obstruction in the up-and-down sliding process can be reduced, when two sides of the abutting plate 69 respectively push the two I-shaped abutting rods 612 into the rectangular groove 611, the I-shaped abutting rods push the traction strip 603 abut against the two sides, the movement of the clamping mechanism 7 can be limited, and the limiting of the clamping mechanism 7 on the connecting wire 3 is facilitated.

It should be noted that, if the connecting thread 3 is not provided with the clamping mechanism 7 to help the limiting and the rebounding, the connecting thread can be stretched straightly and lose elasticity after being pulled for a long time.

As an embodiment of the present invention, as shown in fig. 6, the clamping mechanism 7 includes a V-shaped clamp plate 71, a T-shaped sliding plate 72, a concave inner block 73 and an elastic band 74, the T-shaped sliding plate 72 is fixedly installed at a lower position of a right side of the V-shaped clamp plate 71, the T-shaped sliding plate 72 penetrates through an inside of the support frame 8, the upper V-shaped clamp plate 71 and the lower V-shaped clamp plate 71 are connected by a traction bar 603, a slider of the T-shaped sliding plate 72 is a negative magnet, the concave inner block 73 is fixedly installed at a corner of the V-shaped clamp plate 71, a gap width of the concave inner block 73 is greater than a thickness of the connection line 3, two sides of the gap of the concave inner block 73 are provided with a leak hole, and the elastic band 74 is fixedly installed at a middle-upper position of the V-shaped clamp plate 71.

When the device works, under a normal condition, the connecting wire 3 is clamped in the V-shaped clamping plate 71, when the device body 1 runs, the probe head 4 drives the connecting wire 3 to downwards draw, under the action of the traction force of the traction strip 603, the connecting wire 3 drives the V-shaped clamping plate 71 to downwards move, meanwhile, the downwards traction speed of the connecting wire 3 is greater than the downwards sliding speed of the V-shaped clamping plate 71, therefore, the connecting wire 3 is downwards clamped in the V-shaped clamping plate 71 along the trend, when the connecting wire 3 downwards moves, the middle section position of the elastic belt 74 is abutted, the elastic belt 74 wraps the connecting wire 3 and is clamped into the clamping groove of the concave inner block 73 together, the V-shaped clamping plate 71 is closed due to the fact that the V-shaped clamping plate is pulled by the left end and the right end of the elastic belt 74, the concave inner block 73 is clamped tightly, so that the connecting wire 3 is limited in the V-shaped clamping plate 71, and therefore the synchronous downwards moving speed of the connecting wire 3 and the clamping mechanism 7 is kept conveniently.

As an embodiment of the present invention, as shown in fig. 6, semicircular air bags 711 are embedded in the inner surface of the V-shaped clamp plate 71 near the upper positions of the left and right sides, and an exhaust pipe 712 is fixedly installed at the left side of the semicircular air bags 711, and the exhaust pipe 712 penetrates through the V-shaped clamp plate 71 and is connected with a leak hole on the inner surface of the concave inner block 73.

In operation, when the V-shaped clamping plate 71 is pressed by the connecting wire 3 to close the included angle, the two semicircular air bags 711 approach and press along with the closing of the V-shaped clamping plate 71, the air in the mutually pressed semicircular air bags 711 is exhausted through the exhaust pipe 712, and the exhausted air is blown to the inside of the concave inner block 73, so that the heat dissipation of the connecting wire 3 clamped in the gap can be facilitated.

As an embodiment of the present invention, as shown in fig. 7, the lower end of the left side of the supporting frame 8 is an inclined surface, the inclined surface is 30 ° to 40 °, the outer surfaces of the left and right sides of the supporting frame 8 are both provided with a second sliding slot 81, the T-shaped sliding plates 72 penetrate through the second sliding slot 81 to be attached to the inner wall of the supporting frame 8, the two T-shaped sliding plates 72 that are symmetrical to each other penetrate through the inside of the supporting frame 8, and the two T-shaped sliding plates 72 are connected by a connecting assembly 82.

When the device body 1 is used, the connecting wire 3 is pulled to be overlong along with the detection requirement, meanwhile, the connecting wire 3 moves along with the detection head 4, the connecting wire 3 close to the joint of the connecting wire 3 and the detection head 4 is very easy to touch with the belly of a pregnant woman, so that the couplant can be scraped on the belly, the contaminated couplant can be brought into other places along with the movement of the connecting wire 3, therefore, when the device is used, the connecting wire 3 is pulled along with the detection head 4, the clamping mechanism 7 slides up and down in the supporting frame 8 along with the pulling of the connecting wire 3, when the device slides normally, the T-shaped sliding plate 72 is connected to the straight second sliding groove 81 in a sliding manner, when the connecting wire 3 is pulled to be overlong, the T-shaped sliding plate 72 slides downwards, the T-shaped sliding plate 72 on the left side slides to the inclined plane at the lower end of the left side of the supporting frame 8, the connecting wire 3 close to the detection head 4 is retracted, so that when the connecting wire 3 is elongated along with the detection head 4, the contact of the connecting wire 3 with the belly skin and the couplant is reduced.

As an embodiment of the present invention, as shown in fig. 7 and 8, the number of the connecting assemblies 82 is two, and the connecting assemblies 82 are installed at front and rear positions of the T-shaped sliding plate 72, each of the connecting assemblies 82 includes a first semicircular bar 821, a second semicircular bar 822, two zigzag frames 823 and a roller 824, the number of the second semicircular bars 822 of each of the connecting assemblies 82 is two, and the two second semicircular bars 822 are respectively and fixedly installed at front and rear ends of the two T-shaped sliding plates 72, the first semicircular bar 821 is installed at rear ends of the two second semicircular bars 822 in a staggered manner, the number of the zigzag frames 823 is two, the two zigzag frames 823 are fixedly installed at positions close to left and right sides on an inner surface of the first semicircular bar 821, and the second semicircular bar 822 penetrates through the zigzag frames 823 and is connected to the roller 824.

When the connecting device works, when the left and right T-shaped sliding plates 72 are connected to the straight second sliding chute 81 in a sliding manner, the connecting assembly 82 is connected between the two T-shaped sliding plates 72, so that the left and right T-shaped sliding plates 72 can be kept on the same plane, the downward moving speeds of the left and right T-shaped sliding plates 72 can be kept close to each other, and the distortion of the connecting line 3 is reduced; when the connecting wire 3 is pulled too long, the T-shaped sliding plate 72 slides downward, the T-shaped sliding plate 72 on the left side slides to the inclined surface at the lower end of the left side of the supporting frame 8, meanwhile, the T-shaped sliding plate 72 on the right side remains stationary, the T-shaped sliding plate 72 on the left side moves towards the inside of the supporting frame 8, the two second semicircular strips 822 on the left side close to the front and the back move leftwards respectively, and the rolling shaft 824 also rolls towards the middle part of the first semicircular strip 821, so that the stable placement and movement of the T-shaped sliding plate 72 can be maintained.

As an embodiment of the present invention, as shown in fig. 7 and 9, an adsorption assembly 9 is fixedly installed at a lower end of the extension unit 6, the adsorption assembly 9 penetrates through the inside of the support frame 8, the adsorption assembly 9 includes a first magnetic cylinder 91, a second magnetic cylinder 92 and a sponge strip 93, the first magnetic cylinder 91 is fixedly installed between the second magnetic cylinder 92 and the abutting plate 69, the diameter of the second magnetic cylinder 92 is greater than that of the first magnetic cylinder 91, the sponge strip 93 is filled in the inside of the first magnetic cylinder 91 and the second magnetic cylinder 92, the outer surface magnetic pole of the first magnetic cylinder 91 is a negative pole, and the outer surface magnetic pole of the second magnetic cylinder 92 is a positive pole.

When the device works, the bottom plate 69 drives the adsorption assembly 9 to move downwards by pressing the extension unit 6, the first magnetic cylinder 91 and the second magnetic cylinder 92 correspond to the second chute 81, when the connecting wire 3 drives the clamping mechanism 7 to normally pull downwards, the T-shaped sliding plate 72 slides along the straight second chute 81, at the moment, the T-shaped sliding plate 72 and the first magnetic cylinder 91 are in the same polarity repulsion, and the T-shaped sliding plate 72 is tightly attached to the inner wall of the support frame 8 under the action of the repulsion force of the magnet, so that the smooth movement of the T-shaped sliding plate 72 can be kept; when the stretching distance of the connecting wire 3 between the T-shaped sliding plate 72 and the first magnetic cylinder 91 is too long, the left T-shaped sliding plate 72 slides into the oblique second sliding groove 81, the T-shaped sliding plate 72 and the second magnetic cylinder 92 attract each other in opposite polarity, the T-shaped sliding plate 72 moves towards the inner side of the supporting frame 8, and meanwhile, the traction strip 603 and the V-shaped clamping plate 71 drive the connecting wire 3 to approach the supporting frame 8, so that the wire rope pull-back effect at the joint of the probing head 4 and the connecting wire 3 can be improved.

The working principle is as follows: when the device works, the T-shaped column tube 61 penetrates through one third of the inner part of the line tube of the connecting line 3, the rest connecting line 3 is clamped with the clamping mechanism 7, the using mode of the extension unit 6 is consistent with the working principle of a pressing type ball pen, the T-shaped push rod 62 is pressed downwards, the resisting plate 69 is pushed out from the tube mouth at the lower end of the T-shaped column tube 61, the resisting plate 69 upwards pushes the ejector rod 65, the ejector rod 65 is matched among the tube 63, the guide rail 64 and the first sliding groove 66 on the ejector rod 65, the ejector rod 65 pushes the rotary disc 67 upwards, then the inclined plane of the rotary disc 67 is separated from the lower end of the guide rail 64, the tip of the ejector rod 65 contacts and extrudes the inclined plane of the rotary disc 67, the rotary disc 67 rotates radially under the elastic force of the first spring 68, at the moment, the rotary disc 67 pushes the ejector rod 65 downwards, the ejector rod 65 pushes the resisting plate 69 downwards until the lower end of the resisting plate 69 penetrates through the T-shaped column tube 61, the resisting plate 69 is dislocated with the I-shaped resisting rod 612, the I-shaped abutting rod 612 is ejected from the rectangular groove 611 under the action of the elastic force of the elastic rope 613, the traction strip 603 can be pulled up and down, when the connecting wire 3 moves along with the detecting head 4, the elasticity of the connecting wire 3 is added, the traction strip 603 and the clamping mechanism 7 are also pulled when the connecting wire 3 is pulled downwards, after the use of the device body 1 is finished, the connecting wire 3 stops being pulled, the traction strip 603 automatically returns under the action of the spring leaf 604 of the spring, the T-shaped push rod 62 can be pressed again, the abutting plate 69 pushes the ejector rod 65 upwards, the tip end of the ejector rod 65 is separated from the inclined surface of the turntable 67, under the action of the elastic force of the first spring 68, the turntable 67 is rotated by radial force, the inclined surface on the turntable 67 is overlapped with the guide rail 64, then the ejector rod 65 and the abutting plate 69 move upwards, the abutting plate 69 pushes the T-shaped cylindrical tube 61 into the opening, and the left side and the right side of the abutting plate 69 pushes the I-shaped abutting rod 612 into the rectangular groove 611 and pulls the strip 603, therefore, the movement of the clamping mechanism 7 can be limited, when the connecting wire 3 is pulled along with the detecting head 4, the clamping mechanism 7 slides up and down in the supporting frame 8 along with the pulling of the connecting wire 3, when the connecting wire slides normally, the T-shaped sliding plate 72 is connected to the straight second sliding groove 81 in a sliding manner, when the connecting wire 3 is pulled too long, the T-shaped sliding plate 72 slides downwards, the T-shaped sliding plate 72 on the left side slides to the inclined plane at the lower end of the left side of the supporting frame 8, the connecting wire 3 close to the detecting head 4 is retracted inwards, and therefore when the connecting wire 3 is elongated and moves along with the detecting head 4, the contact of the connecting wire 3 with the belly skin and the couplant can be reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.