CN114041746B

CN114041746B - A multi-functional external genitals that expands for gynaecology and obstetrics

Info

Publication number: CN114041746B
Application number: CN202111360098.8A
Authority: CN
Inventors: 张明玉
Original assignee: Taixing Zhiyuan Intellectual Property Service Co ltd
Current assignee: Taixing Zhiyuan Intellectual Property Service Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2023-01-24
Anticipated expiration: 2041-11-17
Also published as: CN114041746A

Abstract

The invention discloses a multifunctional vaginal dilator for obstetrics and gynecology department, which relates to the technical field of medical equipment, has the advantage of being suitable for physiological characteristics of people of all ages to use, and has the technical scheme key points that: including last expanding the external genitals, it has lower expanding the external genitals to go up to expand the external genitals and pass through the articulated elements and articulate, go up to expand the external genitals and include the first board articulated with the articulated elements, expand the external genitals down and include the second board articulated with the articulated elements, first board and second board pass through the connecting piece and all can dismantle and be connected with the extension board.

Description

A multi-functional vaginal speculum for gynaecology and obstetrics

Technical Field

The invention relates to the technical field of medical equipment, in particular to a multifunctional vaginal dilator for obstetrics and gynecology.

Background

The vaginal dilator is also called as vaginal dilator, and consists of an upper page, a lower page and a handle, and is mainly used for gynecological routine examination and operation. The vaginal dilator is actually a thin duck bill clip. However, the existing vaginal dilator has some defects in the using process, for example, the physiological characteristics of people in all ages are different, so that vaginal dilators with different specifications are needed to meet the using requirements.

Disclosure of Invention

In view of the technical defects, the invention aims to provide a multifunctional vaginal dilator for obstetrics and gynecology department, which has the advantage of being suitable for the physiological characteristics of people of all ages.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides a multifunctional vaginal dilator for obstetrics and gynecology department, which comprises an upper vaginal dilator, wherein the upper vaginal dilator is hinged with a lower vaginal dilator through a hinged piece, the upper vaginal dilator comprises a first plate hinged with the hinged piece, the lower vaginal dilator comprises a second plate hinged with the hinged piece, and the first plate and the second plate can be detachably connected with extension plates through connecting pieces.

Through adopting above-mentioned technical scheme, when needs use according to different age bracket crowd physiological characteristics, will extend the board through the connecting piece dismantle change can, be convenient for this moment change different length as required extend the board can, in addition also can establish extension board into disposable, after finishing using through the connecting piece more renew extend the board can.

Preferably, the articulated elements include with first plate articulated first connecting plate and second connecting plate, the second connecting plate is located directly over the first connecting plate, the second plate is articulated with second connecting plate one end, set up the waist type groove that distributes along first connecting plate length direction on the first connecting plate, be equipped with the guide post that gets into waist type inslot on the second plate, the guide post slides with waist type groove and is connected, waist type groove is close to the extension plate and distributes, the one end that waist type groove was kept away from to first connecting plate is equipped with the first in command of vertical downwardly extending, the first plate extends with first connecting plate articulated one end and is equipped with the second in command of slope downwardly extending with the pin joint of first connecting plate.

Preferably, the first handle is hinged with a limiting rod penetrating through the second handle, the limiting rod is sleeved with a first compression spring on the outer wall between the first handle and the second handle, two ends of the first compression spring respectively abut against one side face of the first handle opposite to the second handle, and one end of the limiting rod penetrating through the second handle is in threaded connection with a locking block abutting against the second handle.

Preferably, the connecting piece is including setting up on the extension board and being located the conflict board of first board or second board towards one side each other, all be equipped with the embedded groove that supplies the conflict board embedding on first board or the second board, wear to be equipped with the joint spare that gets into in the embedded groove on the conflict board.

Preferably, the joint spare includes the hollow spliced pole that will pass in the conflict board gets into the embedded groove, the spliced pole is made for elastic plastic, a plurality of openings have all been seted up to the one end that the spliced pole is located the embedded groove, wear to be equipped with in the spliced pole and extrude the extrusion post on conflict board or embedded groove cell wall with the spliced pole in getting into the embedded groove, the one end of extrusion post is extended the conflict board and is carried away from one side of embedded groove.

Preferably, a water storage cavity for hot water to enter is formed in the extension plate, a cavity opening of the water storage cavity extends out of one side close to the first plate or the second plate, one end, close to the first plate or the second plate, of the extension plate is provided with a cylinder, the connecting piece comprises a threaded sleeve connected to the outside of the first plate or the second plate through threads, and one end, far away from the first plate or the second plate, of the threaded sleeve is connected with one end of the extension plate through threads.

Preferably, the position of the cylinder of the extension plate is a main liquid pipeline of water in the water storage cavity, and a first driving piece for opening or closing the main liquid pipeline is arranged on the main liquid pipeline.

Preferably, the first driving part comprises a guide pipe which is arranged on the main liquid pipeline and is communicated with the main liquid pipeline, a first closing plate for closing the guide pipe is arranged in the guide pipe, a driving pipe which is coaxial with the guide pipe is rotatably connected in the guide pipe, two ends of the driving pipe are rotatably connected with the pipe wall of the guide pipe, a second closing plate for closing the driving pipe is arranged in the driving pipe, the first closing plate and the second closing plate are abutted, flow holes are symmetrically formed in the first closing plate and the second closing plate, and a limiting part for limiting the rotation of the driving pipe is arranged on the outer wall of the guide pipe;

the locating part is including setting up first fixed plate and the second fixed plate at both ends about the stand pipe respectively, be equipped with two location axles on the second fixed plate, two location off-axial wall all overlaps and is equipped with a location section of thick bamboo, two a location section of thick bamboo is equipped with first pendulum rod and second pendulum rod respectively at one side outer wall in opposite directions, be equipped with the arc that gets into in the second pendulum rod on the first pendulum rod, first pendulum rod and second pendulum rod pass through the arc and rotate to be connected, two the location axle all is equipped with the arc on the one side outer wall of keeping away from first pendulum rod and second pendulum rod, two the arc is located the both sides of driving tube, and two all be equipped with the conflict piece of contradicting with the driving tube outer wall on the arc, be equipped with the power spare that two arc of drive moved in opposite directions or moved to opposite direction on the first fixed plate.

Preferably, the power part includes that a side is contradicted first slider and the second slider on first fixed plate, two the both ends of arc pole are articulated with first slider and second slider respectively, first slider and second slider pass through the actuating lever and connect, just the both ends of actuating lever all extend first slider and second slider, the actuating lever is equipped with the crank handle with the equal threaded connection of first slider and second slider just the one end that the actuating lever extended first slider or second slider.

Preferably, when the flow holes in the first closing plate and the second closing plate are completely opposite, the bottom of the moving groove is provided with a clamping rod which is abutted against one side of the abutting block, and the bottom of the moving groove is provided with a second driving piece which drives the clamping rod to move out of the bottom of the moving groove and abut against one side of the abutting block or enter the bottom of the moving groove.

The invention has the beneficial effects that: when needs use according to different age bracket crowd physiological characteristics, will extend the board through the connecting piece dismantle change can, be convenient for this moment change different length as required extend the board can, in addition also can establish to disposable with extending the board, after finishing using through the connecting piece more new extend the board can.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of the present embodiment;

fig. 2 is a schematic structural diagram of the present embodiment for embodying the first compression spring;

FIG. 3 is a schematic structural diagram of a touch panel embodying the present embodiment;

FIG. 4 is a schematic structural diagram of the present embodiment for embodying an opening;

FIG. 5 is a schematic structural view of the guide tube according to the present embodiment;

FIG. 6 is a schematic structural view of the rod embodying the present embodiment;

fig. 7 is a schematic structural diagram of the first closing plate according to the present embodiment.

Description of the reference numerals:

in the figure: 1. a first plate; 11. a second plate; 12. an extension plate; 13. a first connecting plate; 131. a second connecting plate; 132. a waist-shaped groove; 133. a guide post; 14. a first handle; 141. a second handle; 142. a limiting rod; 143. a first compression spring; 144. a locking block; 15. a touch plate; 151. a groove is embedded; 2. connecting columns; 21. an opening; 22. extruding the column; 3. a water storage cavity; 4. a threaded sleeve; 5. a main fluid line; 51. a guide tube; 511. a first closing plate; 52. a drive tube; 521. a second closing plate; 522. a flow aperture; 53. a first fixing plate; 54. a second fixing plate; 541. positioning the shaft; 542. a positioning cylinder; 543. a first swing link; 544. a second swing link; 545. an arc-shaped plate; 55. an arcuate bar; 551. a contact block; 552. a first slider; 553. a second slider; 554. a drive rod; 56. a handle; 57. a moving groove; 571. a clamping rod; 572. a clamping hole; 573. a second compression spring; 574. an inclined surface.

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.

The utility model provides a multi-functional vaginal speculum that expands for gynaecology and obstetrics, like figure 1 and figure 2, including last vaginal speculum, go up to expand the vaginal speculum and have through the articulated elements articulated have down expand the vaginal organ, go up expand the vaginal organ include with articulated elements articulated first board 1, expand the vaginal organ down include with articulated elements articulated second board 11, first board 1 and second board 11 all can be dismantled through the connecting piece and be connected with extension board 12.

As shown in fig. 1 and fig. 2, when the extension board 12 with different lengths is needed to be used according to the physiological characteristics of people in different age groups, the extension board 12 can be detached and replaced by the connecting piece, so that the extension board 12 with different lengths can be replaced according to the needs, the extension board 12 can be set to be disposable, and the extension board 12 can be replaced by a new extension board 12 through the connecting piece after the use.

As shown in fig. 1 and 2, the hinge includes a first connecting plate 13 and a second connecting plate 131 hinged to the first plate 1, the second connecting plate 131 is located right above the first connecting plate 13, the second plate 11 is hinged to one end of the second connecting plate 131, a waist-shaped groove 132 distributed along the length direction of the first connecting plate 13 is formed in the first connecting plate 13, a guide post 133 entering the waist-shaped groove 132 is arranged on the second plate 11, the guide post 133 is connected to the waist-shaped groove 132 in a sliding manner, the waist-shaped groove 132 is distributed close to the extending plate 12, the waist-shaped groove 132 is arranged away from a hinge point of the first plate 1 and the first connecting plate 13, and is located below a hinge point of the second plate 11 and the second connecting plate 131, a first handle 14 extending vertically and downwardly is arranged at one end of the first connecting plate 13 away from the waist-shaped groove 132, and a second handle 141 extending obliquely and downwardly is arranged at one end of the first plate 1 and the first connecting plate 13. At this time, a user holds the first handle 14 and the second handle 141 by hand, and drives the second handle 141 and the first handle 14 to move towards each other, so that the guide post 133 moves in the waist-shaped groove 132, at this time, the second connecting plate 131 moves towards the direction away from the first connecting plate 13, so that the distance between the two extending plates 12 is increased, the use of the vaginal dilator is facilitated, when the distance between the second handle 141 and the first handle 14 is increased by the user, the distance between the two extending plates 12 is reduced, and the use requirement is met.

As shown in fig. 1 and fig. 2, a limiting rod 142 passing through the second handle 141 is hinged to the first handle 14, a first compression spring 143 is sleeved on an outer wall of the limiting rod 142 between the first handle 14 and the second handle 141, two ends of the first compression spring 143 respectively abut against a side surface of the first handle 14 opposite to the second handle 141, and a locking block 144 abutting against the second handle 141 is connected to one end of the limiting rod 142 passing through the second handle 141 through a thread. When the distance between the first handle 14 and the second handle 141 is reduced, the first compression spring 143 is compressed to have an elastic restoring force, and at this time, the locking piece 144 is rotated to fix the distance between the first handle 14 and the second handle 141, and when the locking piece 144 is released, the first compression spring 143 drives the distance between the first handle 14 and the second handle 141 to be automatically increased, so that the distance between the two extension plates 12 is reduced.

As shown in fig. 3 and 4, the connecting member includes an abutting plate 15 disposed on the extension plate 12 and located on one side of the first plate 1 or the second plate 11, an insertion slot 151 for the abutting plate 15 to be inserted is disposed on the first plate 1 or the second plate 11, and a fastening member is disposed on the abutting plate 15 and penetrates into the insertion slot 151. The contact plate 15 is located on the opposite side of the first plate 1 or the second plate 11, when the distance between the two extension plates 12 increases gradually, the opposite side of the two extension plates 12 is pressed, the contact plate 15 is located in the embedded groove 151, the contact plate 15 provides a reverse acting force to the extension plates 12, and the deformation of the extension plates 12 is reduced while the extension plates 12 are connected.

As in fig. 3 and 4, the joint includes the hollow connecting column 2 that will pass in the touch panel 15 gets into embedded groove 151, and connecting column 2 is made for elastic plastic, and a plurality of openings 21 have all been seted up to the one end that connecting column 2 is located embedded groove 151, wears to be equipped with in the connecting column 2 and extrudees the pillar 22 in the embedded groove 151 with connecting column 2 extrusion on touch panel 15 or embedded groove 151 cell wall, and the one end of pillar 22 is extended the one side that the touch panel 15 deviates from embedded groove 151. Put into the touch panel 15 earlier during the installation in the spliced pole 2, put into spliced pole 2 with extrusion post 22 afterwards, extrusion post 22 extrudees spliced pole 2 this moment, the setting of opening 21 is convenient for spliced pole 2 lower extreme warp and makes spliced pole 2 compressed tightly in embedded groove 151, extrusion post 22 will conflict board 15 restriction in embedded groove 151 through spliced pole 2 this moment, perhaps the joint spare also can be for extrusion post 22 directly to get into in touch panel 15 and embedded groove 151, extrusion post 22 and conflict board 15 and embedded groove 151 tight coupling this moment.

As shown in fig. 5 and fig. 6, or, a water storage cavity 3 for hot water to enter is formed in the extension plate 12, a cavity opening of the water storage cavity 3 extends out to one side close to the first plate 1 or the second plate 11, one end of the extension plate 12 close to the first plate 1 or the second plate 11 is provided with a cylinder, the connecting piece includes a threaded sleeve 4 which is in threaded connection with the outside of the first plate 1 or the second plate 11, and one end of the threaded sleeve 4 far away from the first plate 1 or the second plate 11 is in threaded connection with one end of the extension plate 12. At the moment, the water storage cavity 3 is arranged, so that hot water can be conveniently injected into the extension plate 12, the stimulation of the cold vaginal dilator to a patient is reduced, and the comfort of the patient is improved. The provision of the threaded sleeve 4 facilitates the connection of the extension plate 12 to the first or second plate 1, 11. The outflow of water in the water storage chamber 3 is also restricted at this time.

As shown in fig. 5 and 6, in order to further restrict the water in the water storage cavity 3 from flowing out of the extension plate 12, the position of the cylinder of the extension plate 12 can be seen as the main liquid pipe 5 of the water in the water storage cavity 3, and the main liquid pipe 5 is provided with a first driving member for opening or closing the main liquid pipe 5.

The first driving piece comprises a guide pipe 51 which is arranged on the main liquid pipeline 5 and communicated with the main liquid pipeline 5, a first closing plate 511 for closing the guide pipe 51 is arranged in the guide pipe 51, a driving pipe 52 which is coaxial with the guide pipe 51 is connected in the guide pipe 51 in a rotating mode, two ends of the driving pipe 52 are connected with the pipe wall of the guide pipe 51 in a rotating mode, at the moment, the outer wall of the driving pipe 52 is flush with the outer wall of the guide pipe 51, a second closing plate 521 for closing the driving pipe 52 is arranged in the driving pipe 52, the first closing plate 511 is abutted against the second closing plate 521, flow holes 522 are formed in the first closing plate 511 and the second closing plate 521 in a split mode, and a limiting piece for limiting the driving pipe 52 to rotate is arranged on the outer wall of the guide pipe 51.

As shown in fig. 6 and 7, when the driving pipe 52 is rotated, relative displacement is generated between the first closing plate 511 and the second closing plate 521, so that the second closing plate 521 opens or closes the flow hole 522 of the first closing plate 511, thereby opening or closing the guide pipe 51, and since the guide pipe 51 is communicated with the main liquid pipe 5, the main liquid pipe 5 is opened or closed. When the driving pipe 52 is rotated to a proper position, the limiting member limits the rotation of the driving pipe 52, so that the main liquid pipeline 5 continuously flows liquid, and at this time, the size of the flow hole 522 on the first closing plate 511 is opened according to the second closing plate 521, thereby facilitating the adjustment of the liquid flow in the main liquid pipeline 5.

As shown in fig. 6 and 7, the limiting member includes a first fixing plate 53 and a second fixing plate 54 respectively disposed at the upper end and the lower end of the guiding tube 51, two positioning shafts 541 are disposed on the second fixing plate 54, two positioning shafts 541 are sleeved with positioning cylinders 542, the two positioning shafts 541 are at the same height, two positioning cylinders 542 are respectively disposed with a first swing rod 543 and a second swing rod 544 on the outer wall of one side opposite to each other, an arc-shaped plate 545 entering the second swing rod 544 is disposed on the first swing rod 543, the first swing rod 543 and the second swing rod 544 are rotatably connected through the arc-shaped plate 545, two positioning shafts 541 are respectively disposed with arc-shaped rods 55 on the outer wall of one side away from the first swing rod 543 and the second swing rod 544, the two arc-shaped rods 55 are disposed at two sides of the driving tube 52, and two arc-shaped rods 55 are respectively disposed with abutting blocks 551 abutting against the outer wall of the driving tube 52, and the first fixing plate 53 is disposed with power members for driving the two arc-shaped rods 55 to move in opposite directions or move in opposite directions.

As shown in fig. 6 and 7, when the power member drives the two arc-shaped rods 55 to move towards each other, the contact block 551 will contact with the outer wall of the driving tube 52 at this time, and further limit the rotation of the driving tube 52, and when the power member drives the two arc-shaped rods 55 to move towards the opposite direction, a gap exists between the two contact blocks 551 and the outer wall of the driving tube 52, which is convenient for the user to rotate the driving tube 52.

As shown in fig. 6 and 7, the power member includes a first slider 552 and a second slider 553, one side of which abuts against the first fixing plate 53, two ends of two arc-shaped rods 55 are hinged to the first slider 552 and the second slider 553, respectively, the first slider 552 and the second slider 553 are connected by a driving rod 554, and both ends of the driving rod 554 extend to the first slider 552 and the second slider 553, the driving rod 554 is screwed to both the first slider 552 and the second slider 553, and the driving rod 554 is reversely screwed to the screw threads screwed to the first slider 552 and the second slider 553, and the driving rod 554 is provided with a crank handle 56 at an end extending out of the first slider 552 or the second slider 553. At this time, the driving rod 554 is rotated by the handle 56, so that the driving rod 554 drives the first slider 552 and the second slider 553 to move in opposite directions or move in opposite directions, and further the two arc-shaped rods 55 move in opposite directions or move in opposite directions, at this time, the positioning barrel 542 rotates on the positioning shaft 541, rotation is generated between the first swing rod 543 and the second swing rod 544, the driving tube 52 is conveniently clamped by the contact block 551, and the operation is convenient. The first fixing plate 53 is provided to facilitate the movement of the first and

second sliders

552 and 553.

As shown in fig. 6 and 7, the driving tube 52 is provided with an annular moving groove 57 on the outer wall thereof, and when the driving tube 52 rotates, the interference block 551 moves in the moving groove 57, and a gap exists between the interference block 551 and the bottom of the moving groove 57. At this time, the opening of the moving groove 57 is convenient for guiding the movement of the contact block 551, and is convenient for the back and forth swing of the first swing link 543, the second swing link 544 and the two arc-shaped rods 55.

As shown in fig. 6 and 7, when the first closing plate 511 and the second closing plate 521 are completely opposite to each other, the bottom of the moving groove 57 is provided with a locking rod 571 abutting against one side of the abutting block 551, and the bottom of the moving groove 57 is provided with a second driving member for driving the locking rod 571 to move out of the bottom of the moving groove 57 and abut against one side of the abutting block 551 or enter the bottom of the moving groove 57. When the driving tube 52 is rotated to make the flow holes 522 on the first closing plate 511 and the second closing plate 521 completely face each other, the locking rod 571 abuts against a side wall of the abutting block 551 to remind a user that the main liquid pipeline 5 has been opened at this time, so as to drive the abutting block 551 to lock the driving tube 52, and when the driving tube 52 needs to be further rotated, the second driving member moves the locking rod 571 into the bottom of the moving groove 57, so as to facilitate the further rotation of the driving tube 52.

As shown in fig. 6 and 7, the second driving member includes a locking hole 572 formed at the bottom of the moving slot 57, the locking rod 571 slides in the locking hole 572, a second compression spring 573 is disposed at the bottom of the locking hole 572, one end of the second compression spring 573 away from the bottom of the locking hole 572 is connected to the lower end of the locking rod 571, and when the second compression spring 573 is in a natural state, the locking rod 571 extends out of the opening of the locking hole 572 and abuts against a side wall of the abutting block 551 when the abutting block 551 does not abut against the bottom of the moving slot 57. When the drive cartridge is rotated further, the user can move the locking bar 571 into the locking hole 572, thereby facilitating further rotation of the drive cartridge.

As shown in fig. 6 and 7, the locking bar 571 has an inclined surface 574 on a side facing the contact block 551 for allowing the side wall of the contact block 551 to press the locking bar 571 into the locking hole 572. At this time, an angular point of the abutting block 551 abuts against the inclined surface 574, and at this time, as the driving cylinder continues to rotate, the driving cylinder presses the locking rod 571 into the locking hole 572, and when the first closing plate 511 and the flow hole 522 of the second closing plate 521 completely face each other, the locking rod 571 abuts against the lower end side surface of one of the abutting blocks 551, and only then, the flow hole 522 of the first closing plate 511 and the second closing plate 521 completely face each other.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A multifunctional vaginal dilator for obstetrics and gynecology department comprises an upper vaginal dilator, and is characterized in that the upper vaginal dilator is hinged to a lower vaginal dilator through a hinged piece, the upper vaginal dilator comprises a first plate (1) hinged to the hinged piece, the lower vaginal dilator comprises a second plate (11) hinged to the hinged piece, and the first plate (1) and the second plate (11) are detachably connected with an extension plate (12) through connecting pieces;

the hinge piece comprises a first connecting plate (13) and a second connecting plate (131) which are hinged with the first plate (1), the second connecting plate (131) is located right above the first connecting plate (13), the second plate (11) is hinged with one end of the second connecting plate (131), a waist-shaped groove (132) which is distributed along the length direction of the first connecting plate (13) is formed in the first connecting plate (13), a guide column (133) which enters the waist-shaped groove (132) is arranged on the second plate (11), the guide column (133) is connected with the waist-shaped groove (132) in a sliding mode, the waist-shaped groove (132) is distributed close to the extension plate (12), a first handle (14) which extends vertically downwards is arranged at one end, far away from the waist-shaped groove (132), of the first connecting plate (13), one end, hinged with the first connecting plate (13), of the first handle plate (1) extends out of a hinged point of the first connecting plate (13) and is provided with a second handle (141) which extends obliquely downwards;

the connecting piece comprises a contact plate (15) which is arranged on the extension plate (12) and is positioned on one side of the first plate (1) or the second plate (11) facing each other, embedded grooves (151) for embedding the contact plates (15) are formed in the first plate (1) or the second plate (11), and clamping pieces entering the embedded grooves (151) penetrate through the contact plates (15);

or a water storage cavity (3) for hot water to enter is formed in the extension plate (12), a cavity opening of the water storage cavity (3) extends out of one side close to the first plate (1) or the second plate (11), one end, close to the first plate (1) or the second plate (11), of the extension plate (12) is provided with a cylinder, the connecting piece comprises a threaded sleeve (4) in threaded connection with the outside of the first plate (1) or the second plate (11), and one end, far away from the first plate (1) or the second plate (11), of the threaded sleeve (4) is in threaded connection with one end of the extension plate (12);

the cylinder of the extension plate (12) is positioned in a main liquid pipeline (5) of water in the water storage cavity (3), and a first driving piece for opening or closing the main liquid pipeline (5) is arranged on the main liquid pipeline (5);

the first driving piece comprises a guide pipe (51) which is arranged on the main liquid pipeline (5) and communicated with the main liquid pipeline (5), a first closing plate (511) for closing the guide pipe (51) is arranged in the guide pipe (51), a driving pipe (52) coaxial with the guide pipe (51) is connected in the guide pipe (51) in a rotating mode, two ends of the driving pipe (52) are rotatably connected with the pipe wall of the guide pipe (51), a second closing plate (521) for closing the driving pipe (52) is arranged in the driving pipe (52), the first closing plate (511) is abutted against the second closing plate (521), flow holes (522) are formed in the first closing plate (511) and the second closing plate (521) in a split mode, and a limiting piece for limiting the rotation of the driving pipe (52) is arranged on the outer wall of the guide pipe (51);

the limiting piece comprises a first fixing plate (53) and a second fixing plate (54) which are arranged at the upper end and the lower end of a guide pipe (51) respectively, two positioning shafts (541) are arranged on the second fixing plate (54), the outer walls of the two positioning shafts (541) are all sleeved with positioning cylinders (542), the two positioning cylinders (542) are respectively provided with a first swing rod (543) and a second swing rod (544) on the outer wall of one side in the opposite direction, an arc-shaped plate (545) entering the second swing rod (544) is arranged on the first swing rod (543), the first swing rod (543) and the second swing rod (544) are rotatably connected through the arc-shaped plate (545), the two positioning shafts (541) are respectively provided with arc-shaped rods (55) on the outer wall of one side far away from the first swing rod (543) and the second swing rod (544), the two arc-shaped rods (55) are located on the two sides of a driving pipe (52), and the two arc-shaped rods (55) are respectively provided with abutting blocks (551) abutting against the outer wall of the driving pipe (52), and the two arc-shaped rods (53) are provided with power parts which drive the two arc-shaped rods (55) to move towards the opposite directions or move towards the opposite direction.

2. The multifunctional vaginal dilator for obstetrics and gynecology department according to claim 1, wherein a limiting rod (142) penetrating through the second handle (141) is hinged on the first handle (14), a first compression spring (143) is sleeved on the outer wall of the limiting rod (142) between the first handle (14) and the second handle (141), two ends of the first compression spring (143) respectively abut against one side face of the first handle (14) opposite to the second handle (141), and a locking block (144) abutting against the second handle (141) is in threaded connection with one end of the limiting rod (142) penetrating through the second handle (141).

3. The multifunctional vaginal dilator for obstetrics and gynecology department of claim 1, characterized in that, the joint piece includes hollow connecting column (2) that will pass through the touch panel (15) and get into the embedded groove (151), the connecting column (2) is made of elastic plastic, a plurality of openings (21) have all been seted up to the one end that the connecting column (2) is located in the embedded groove (151), wear to be equipped with in the connecting column (2) and get into the embedded groove (151) and extrude the extrusion post (22) on the touch panel (15) or the embedded groove (151) cell wall, the one end of extrusion post (22) extends out the one side that the touch panel (15) deviates from the embedded groove (151).

4. The multi-functional vaginal speculum for gynaecology and obstetrics according to claim 1, characterized in that, the power piece includes first slider (552) and second slider (553) that a side is contradicted on first fixed plate (53), and the both ends of two said arc-shaped rods (55) are respectively with first slider (552) and second slider (553) articulated, first slider (552) and second slider (553) are connected through actuating lever (554), and the both ends of actuating lever (554) extend first slider (552) and second slider (553), actuating lever (554) and first slider (552) and second slider (553) are all threaded connection and actuating lever (554) is equipped with crank handle (56) at the end that extends first slider (552) or second slider (553).

5. The multifunctional vaginal dilator for obstetrics and gynecology department of claim 4, wherein when the flow holes (522) on the first closing plate (511) and the second closing plate (521) are completely opposite, the bottom of the moving groove (57) is provided with a clamping rod (571) which is abutted against one side of the abutting block (551), and the bottom of the moving groove (57) is provided with a second driving member which drives the clamping rod (571) to move out of the bottom of the moving groove (57) and abut against one side of the abutting block (551) or enter into the bottom of the moving groove (57).