CN114002838A

CN114002838A - Operation microscope support

Info

Publication number: CN114002838A
Application number: CN202111282258.1A
Authority: CN
Inventors: 毕志磊; 翟盛楠
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-02-01
Anticipated expiration: 2041-11-01
Also published as: CN114002838B

Abstract

The invention discloses an operating microscope bracket which comprises a base, a pressing component, a fixing component and a connecting head component, wherein the pressing component is arranged on the base; base: the upper end of the interior of the base is rotatably connected with a limiting disc, the outer edges of the lower surfaces of the end heads of the base are fixedly connected with trundles, the middle part of the upper surface of the limiting disc is fixedly connected with a rotary drum, the upper surface of the rotary drum is fixedly connected with a lead screw motor, the lower end of an output shaft of the lead screw motor is rotatably connected with the bottom surface of the interior of the rotary drum, and the middle part of the output shaft of the lead screw motor is in threaded connection with a connecting rod assembly; the pressing component: the pressing component is matched with the limiting disc; fixing the assembly: the connecting rod component is arranged inside the connecting rod component; connector subassembly: set up in link assembly's front end, the right-hand member leading flank of link assembly is equipped with the singlechip, and external power supply is connected to the input electricity of singlechip, this operation microscope support, structural design is reasonable, and it is convenient to adjust, has improved work efficiency, has prolonged life, and stability is good.

Description

Operation microscope support

Technical Field

The invention relates to the technical field of medical instruments, in particular to an operating microscope bracket.

Background

The microscope is an optical instrument formed by one lens or a combination of a plurality of lenses, and is mainly used for magnifying a tiny object to be seen by naked eyes of people, and comprises a microscope beam splitting optical microscope and an electron microscope, wherein the object can be magnified by 1600 times by the optical microscope, the minimum limit of resolution reaches 0.1 micron, when the microscope is used, all parts of a sample are required to be observed frequently to improve the accuracy of an experiment, and a balance arm is an important part for connecting an optical main mirror of the operation microscope and a machine base. The pre-operation and post-operation shifting and the operation positioning are controlled by a balance arm, the balance arm is required to be locked at the position and cannot move after the lens is positioned in the operation, the conventional balance arm is generally locked by a manual machine, the method is inconvenient to operate in the sterile operation, meanwhile, the conventional adapter is rotated and positioned by adopting a mode of a rotating shaft bolt, the mode can utilize the friction force generated by screwing the bolt as braking force when the lens is positioned, but medical workers are required to frequently rotate one by one, the working efficiency is low, the practicability is poor, the tightness of the conventional operation microscope support when a stand is rotated can not be adjusted generally, the lens is easy to loosen after long-time use, the rotation is caused by slight external force, and inconvenience is brought to people.

Disclosure of Invention

The invention aims to overcome the existing defects, provides the surgical microscope support which has the advantages of reasonable structural design, convenience in adjustment, wide application range, improvement of working efficiency, prolongation of service life, good stability and capability of effectively solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a surgical microscope support comprises a base, a pressing component, a fixing component and a connecting head component;

base: the upper end of the interior of the base is rotatably connected with a limiting disc, the outer edges of the lower surfaces of the end heads of the base are fixedly connected with trundles, the middle part of the upper surface of the limiting disc is fixedly connected with a rotary drum, the upper surface of the rotary drum is fixedly connected with a lead screw motor, the lower end of an output shaft of the lead screw motor is rotatably connected with the bottom surface of the interior of the rotary drum, and the middle part of the output shaft of the lead screw motor is in threaded connection with a connecting rod assembly;

the pressing component: the pressing component is matched with the limiting disc;

fixing the assembly: the connecting rod component is arranged inside the connecting rod component;

connector subassembly: set up in link assembly's front end, the right-hand member leading flank of link assembly is equipped with the singlechip, and external power supply is connected to the input electricity of singlechip, and the output electricity of lead screw motor is connected to the output of singlechip, and structural design is reasonable, and it is convenient to adjust, and application scope is wide, has improved work efficiency, avoids long-time use back rotary drum not hard up phenomenon to appear, has prolonged life, and stability is good, is convenient for carry out the operation, and the practicality is strong.

Further, link assembly includes first connecting rod, second connecting rod and third connecting rod, rear end middle part and the output shaft middle part threaded connection of lead screw motor of first connecting rod, the front end of first connecting rod front end, second connecting rod left end and third connecting rod all is equipped with the go-between, the inside of go-between all rotates and is connected with the pivot, the pivot of third connecting rod front end and the rear end fixed connection of connector subassembly, the pivot of second connecting rod left end and the rear end fixed connection of third connecting rod, the pivot of first connecting rod front end and the right-hand member fixed connection of second connecting rod, carry out multi-angle adjustment in the horizontal direction, improve application scope.

Further, the connector subassembly includes connecting block, connecting rod and L template, the pivot fixed connection of connecting block and third connecting rod front end, both ends are all rotated about the trailing flank of connecting block and are connected with the connecting rod, and the left end of connecting rod all rotates through the round pin axle with the trailing flank of L template to be connected, and the left side plate internal portion of L template is equipped with the mounting hole of symmetric distribution, and the leading flank and the singlechip fixed connection of connecting block keep operating microscope to be in vertical state all the time at the in-process that removes.

Furthermore, the right flank of L template is equipped with the handle, and the vertical body of rod extrados of handle rotates and is connected with the sleeve, makes things convenient for manual pulling L template adjustment operating microscope's position.

Further, the leading flank of L template is equipped with the gooseneck, and the left side end of gooseneck is equipped with the shot-light, and the output of singlechip is connected to the input electricity of shot-light, for microscope supplement light, improves practicality.

Further, compress tightly the subassembly including removing dish, spring, adjusting bolt and friction disc, adjusting bolt rotates to be connected in the round hole inner wall that the base lower surface set up, and adjusting bolt's upper end threaded connection has the removal dish, and the upper surface array of removing the dish is equipped with the spring, the top of spring all with the lower fixed surface connection of friction disc, the upper surface of friction disc and the lower surface contact of spacing dish, elasticity when adjusting the rotary drum and rotating.

Further, the compressing assembly further comprises a guide rod, the guide rod array is arranged on the bottom surface of the inner portion of the base, the guide rod is connected with the inner wall of the through hole in the moving plate in a sliding mode, the upper end of the guide rod is fixedly connected with the lower surface of the friction disc, the guide rod is located inside the vertically corresponding spring respectively, the moving plate is limited, and the moving plate is prevented from rotating along with the adjusting bolt.

Further, fixed subassembly includes electro-magnet, metal brake pads and extension spring, the electro-magnet sets up respectively in the inside bottom surface of cavity of go-between, the extension spring sets up respectively in the cavity lateral wall of go-between, and the inboard end of extension spring corresponds the setting with adjacent metal brake pads extrados fixed connection respectively, and the metal brake pads corresponds the setting with adjacent pivot extrados respectively, fixes between first connecting rod, second connecting rod and the third connecting rod, avoids its operation microscope to swing at will.

Further, fixed subassembly still includes spacing post, spacing post sets up respectively in the extrados middle part of metal brake pads, spacing post respectively with the inside jack inner wall sliding connection that sets up of go-between, it is spacing to lead to the metal brake pads.

Compared with the prior art, the invention has the beneficial effects that: the surgical microscope support has the following advantages:

1. the base is moved to a designated position through a trundle, then the start of a screw motor is controlled through a single chip microcomputer, an output shaft of the screw motor drives a first connecting rod to lift, the first connecting rod drives an operation microscope to lift through a second connecting rod, a third connecting rod, a connecting block, the connecting rod and an L-shaped plate respectively, the height of the operation microscope is adjusted, then a sleeve of a handle is manually pulled to move the L-shaped plate, the L-shaped plate sequentially passes through the connecting rod and the connecting block to drive the third connecting rod, the second connecting rod and the first connecting rod to rotate relatively through a connecting ring and a rotating shaft, the horizontal position of the operation microscope is adjusted, the two connecting rods are arranged in parallel, the vertical positions of pin shafts on the left sides of the two connecting rods correspond, the vertical positions of pin shafts on the right sides of the two connecting rods correspond, the connecting block, the connecting rods and the L-shaped plate form a parallelogram structure, and the L-shaped plate is ensured to be in a vertically downward state all the time, the operation microscope is prevented from inclining in the use process, the structural design is reasonable, the adjustment is convenient, the application range is wide, and the working efficiency is improved.

2. Rotatory adjusting bolt, adjusting bolt and removal dish threaded connection, adjusting bolt drive the removal dish rebound when rotating to drive and remove a pressure spring, the spring increase is to the pressure of friction disk, thereby the adjustment friction disk is to the frictional force of spacing dish, realizes the regulation to the rotary drum elasticity, and the not hard up phenomenon appears in the rotary drum after avoiding long-time the use, has prolonged life.

3. Through singlechip start electromagnet, the electromagnetism iron circular telegram has the adjacent metal brake pads of magnetic adsorption, the metal brake pads is drawn close to adjacent electro-magnet, and then carry out the centre gripping to adjacent pivot and fix, avoid because slight external force leads to first connecting rod, relative movement between second connecting rod and the third connecting rod, make the electro-magnet outage through the singlechip, the electro-magnet no longer adsorbs the metal brake pads, the metal brake pads backward movement under the tensile force effect of extension spring, the restriction to the pivot is relieved, the holistic stability of operation microscope support has been improved, be convenient for carry out the operation, therefore, the clothes hanger is strong in practicability.

Drawings

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

FIG. 2 is a schematic structural view of a fixing assembly according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the device comprises a base 1, a limiting disc 2, a rotary drum 3, a connecting rod assembly 4, a screw motor 5, a pressing assembly 6, a moving disc 61, a spring 62, an adjusting bolt 63, a guide rod 64, a friction disc 65, a fixing assembly 7, an electromagnet 71, a metal brake block 72, a tension spring 73, a limiting column 74, a connecting head assembly 8, a connecting block 81, a connecting rod 82, a template 83L, a gooseneck 9, a first connecting rod 10, a second connecting rod 11, a third connecting rod 12, a handle 13, a singlechip 14, a connecting ring 15, a rotating shaft 16, a caster 17 and a spotlight 18.

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. 1-4, the present invention provides the following technical solutions:

the first embodiment is as follows: an operation microscope bracket comprises a base 1, a pressing component 6, a fixing component 7 and a connector component 8;

base 1: the upper end of the inner part of the base is rotatably connected with a limiting disc 2, the outer edges of the lower surface of the end head of the base 1 are fixedly connected with trundles 17, the middle part of the upper surface of the limiting disc 2 is fixedly connected with a rotary drum 3, the upper surface of the rotary drum 3 is fixedly connected with a screw rod motor 5, the lower end of an output shaft of the screw rod motor 5 is rotatably connected with the bottom surface of the inner part of the rotary drum 3, the middle part of the output shaft of the screw rod motor 5 is in threaded connection with a connecting rod assembly 4, the connecting rod assembly 4 comprises a first connecting rod 10, a second connecting rod 11 and a third connecting rod 12, the middle part of the rear end of the first connecting rod 10 is in threaded connection with the middle part of the output shaft of the screw rod motor 5, the front end of the first connecting rod 10, the left end of the second connecting rod 11 and the front end of the third connecting rod 12 are respectively provided with a connecting ring 15, the rotating shaft 16 is rotatably connected with the inner part of the connecting ring 15, the rotating shaft 16 at the front end of the third connecting rod 12 is fixedly connected with the rear end of the connecting head assembly 8, the rotating shaft 16 at the left end of the second connecting rod 11 is fixedly connected with the rear end of the third connecting rod 12, a rotating shaft 16 at the front end of the first connecting rod 10 is fixedly connected with the right end of the second connecting rod 11, and multi-angle adjustment is performed in the horizontal direction, so that the application range is enlarged;

the pressing component 6: the pressing component 6 is matched with the limiting disc 2;

the fixing component 7: arranged inside the connecting rod assembly 4;

connector assembly 8: the connecting rod assembly is arranged at the front end of the connecting rod assembly 4, the single chip microcomputer 14 is arranged on the front side face of the right end of the connecting head assembly 8, the input end of the single chip microcomputer 14 is electrically connected with an external power supply, the output end of the single chip microcomputer 14 is electrically connected with the output end of the screw rod motor 5, the connecting head assembly 8 comprises a connecting block 81, a connecting rod 82 and an L-shaped plate 83, the connecting block 81 is fixedly connected with a rotating shaft 16 at the front end of the third connecting rod 12, the upper end and the lower end of the rear side face of the connecting block 81 are rotatably connected with the connecting rod 82, the left end of the connecting rod 82 is rotatably connected with the rear side face of the L-shaped plate 83 through a pin shaft, mounting holes which are symmetrically distributed are arranged in the left plate body of the L-shaped plate 83, the front side face of the connecting block 81 is fixedly connected with the single chip microcomputer 14, the operating microscope is kept in a vertical state all the time in the moving process, the handle 13 is arranged on the right side face of the L-shaped plate 83, and the outer arc face of the vertical rod body of the handle 13 is rotatably connected with a sleeve, conveniently and manually pulling the L-shaped plate 83 to adjust the position of the operating microscope, the front side surface of the L-shaped plate 83 is provided with the gooseneck 9, the left end of the gooseneck 9 is provided with the spotlight 18, the input end of the spotlight 18 is electrically connected with the output end of the singlechip 14 to supplement light for the microscope, the practical performance is improved, the base 1 is moved to a specified position through the caster 17, then the singlechip 14 controls the lead screw motor 5 to be started, the output shaft of the lead screw motor 5 drives the first connecting rod 10 to ascend and descend, the first connecting rod 10 drives the operating microscope to ascend and descend through the second connecting rod 11, the third connecting rod 12, the connecting block 81, the connecting rod 82 and the L-shaped plate 83 respectively, the height of the operating microscope is adjusted, then the sleeve of the handle 13 is manually pulled to move the L-shaped plate 83, the L-shaped plate 83 sequentially drives the third connecting rod 12 through the connecting rod 82 and the connecting block 81, and the second connecting rod 11 and the first connecting rod 10 relatively rotate through the connecting ring 15 and the rotating shaft 16, the realization is to the regulation of operation microscope horizontal position, two connecting rod 82 parallel arrangement, and the left round pin axle vertical position of two connecting rod 82 corresponds, and the round pin axle vertical position on two connecting rod 82 right sides corresponds, and connecting block 81, connecting rod 82 and L template 83 constitute parallelogram structure, guarantee that L template 83 is in vertical down state all the time, avoid operation microscope to incline in the use.

Example two:

the difference between this embodiment and the first embodiment is:

in the embodiment, the surgical microscope support comprises a base 1, a pressing assembly 6, a fixing assembly 7 and a connector assembly 8;

the pressing component 6: sliding connection is in the inside lower extreme of base 1, it sets up to compress tightly subassembly 6 and spacing dish 2 cooperation, compress tightly subassembly 6 including removing the dish 61, spring 62, adjusting bolt 63 and friction disc 65, adjusting bolt 63 rotates the round hole inner wall of connecting setting up in base 1 lower surface, the upper end threaded connection of adjusting bolt 63 has removal dish 61, the upper surface array of removal dish 61 is equipped with spring 62, the top of spring 62 all is connected with the lower surface fixed of friction disc 65, the upper surface of friction disc 65 contacts with the lower surface of spacing dish 2, adjust the elasticity when rotary drum 3 rotates, compress tightly subassembly 6 still includes guide bar 64, the guide bar 64 array sets up in the inside bottom surface of base 1, guide bar 64 respectively with the through-hole inner wall sliding connection that the inside array of removal dish 61 set up, the upper end of guide bar 64 all is connected with the lower surface fixed of friction disc 65, guide bar 64 is located vertical corresponding spring 62 respectively, limiting the movable disc 61 to prevent the movable disc 61 from rotating along with the adjusting bolt 63;

the fixing component 7: arranged inside the connecting rod assembly 4;

connector assembly 8: the connecting rod assembly is arranged at the front end of the connecting rod assembly 4, the single chip microcomputer 14 is arranged on the front side face of the right end of the connecting head assembly 8, the input end of the single chip microcomputer 14 is electrically connected with an external power supply, the output end of the single chip microcomputer 14 is electrically connected with the output end of the screw rod motor 5, the connecting head assembly 8 comprises a connecting block 81, a connecting rod 82 and an L-shaped plate 83, the connecting block 81 is fixedly connected with a rotating shaft 16 at the front end of the third connecting rod 12, the upper end and the lower end of the rear side face of the connecting block 81 are rotatably connected with the connecting rod 82, the left end of the connecting rod 82 is rotatably connected with the rear side face of the L-shaped plate 83 through a pin shaft, mounting holes which are symmetrically distributed are arranged in the left plate body of the L-shaped plate 83, the front side face of the connecting block 81 is fixedly connected with the single chip microcomputer 14, the operating microscope is kept in a vertical state all the time in the moving process, the handle 13 is arranged on the right side face of the L-shaped plate 83, and the outer arc face of the vertical rod body of the handle 13 is rotatably connected with a sleeve, make things convenient for manual pulling L template 83 to adjust operating microscope's position, the leading flank of L template 83 is equipped with gooseneck 9, and the left side end of gooseneck 9 is equipped with shot-light 18, and singlechip 14's output is connected to shot-light 18's input electricity, for microscope supplementary light, improves practicality.

Specifically, set up like this, rotatory adjusting bolt 63, adjusting bolt 63 and removal dish 61 threaded connection, adjusting bolt 63 drives removal dish 61 rebound when rotating to drive and remove dish 61 hold-down spring 62, the pressure to friction disk 65 is increased to spring 62, thereby adjustment friction disk 65 is to the frictional force of spacing dish 2, realizes the regulation to the rotary drum 3 elasticity.

Example three:

the difference between this embodiment and the first embodiment is:

the fixing component 7: the fixing assembly 7 comprises electromagnets 71, metal brake blocks 72 and tension springs 73, the electromagnets 71 are respectively arranged on the bottom surface of the cavity of the connecting ring 15, the tension springs 73 are respectively arranged on the side wall of the cavity of the connecting ring 15, the ends of the inner sides of the tension springs 73 are respectively fixedly connected with the outer arc surfaces of the adjacent metal brake blocks 72, the metal brake blocks 72 are respectively arranged corresponding to the outer arc surfaces of the adjacent rotating shafts 16, the first connecting rod 10, the second connecting rod 11 and the third connecting rod 12 are fixed, so that the surgical microscope is prevented from swinging randomly, the fixing assembly 7 further comprises limiting columns 74, the limiting columns 74 are respectively arranged in the middle of the outer arc surfaces of the metal brake blocks 72, the limiting columns 74 are respectively in sliding connection with the inner walls of the insertion holes arranged in the connecting ring 15, and the metal brake blocks 72 are guided and limited;

Specifically, the electromagnet 71 is started through the single chip microcomputer 14, the electromagnet 71 is electrified to have magnetic attraction on the adjacent metal brake blocks 72, the metal brake blocks 72 are close to the adjacent electromagnet 71 and further clamp and fix the adjacent rotating shaft 16, relative movement among the first connecting rod 10, the second connecting rod 11 and the third connecting rod 12 caused by slight external force is avoided, the electromagnet 71 is powered off through the single chip microcomputer 14, the electromagnet 71 does not adsorb the metal brake blocks 72 any more, the metal brake blocks 72 move in the reverse direction under the action of the tension spring 73, and limitation on the rotating shaft 16 is relieved.

The operating principle of the surgical microscope bracket provided by the invention is as follows:

the base 1 is moved to an appointed position through a caster 17, an adjusting bolt 63 is rotated, the adjusting bolt 63 is in threaded connection with a moving disc 61, the adjusting bolt 63 drives the moving disc 61 to move upwards when rotating, so that the moving disc 61 is driven to compress a spring 62, the spring 62 increases the pressure on a friction disc 65, so that the friction force of the friction disc 65 on a limiting disc 2 is adjusted, the tightness of a rotary drum 3 is adjusted, then a single chip microcomputer 14 controls a lead screw motor 5 to start, an output shaft of the lead screw motor 5 drives a first connecting rod 10 to ascend and descend, the first connecting rod 10 drives an operating microscope to ascend and descend through a second connecting rod 11, a third connecting rod 12, a connecting block 81, a connecting rod 82 and an L-shaped plate 83 respectively, the height of the operating microscope is adjusted, then a sleeve of a handle 13 is manually pulled to move the L-shaped plate 83, the L-shaped plate 83 sequentially drives the third connecting rod 12 through the connecting rod 82 and the connecting block 81, and the second connecting rod 11 and the first connecting rod 10 relatively rotate through a connecting ring 15 and a rotating shaft 16, the horizontal position of the operating microscope is adjusted, then the electromagnet 71 is started through the single chip microcomputer 14, the electromagnet 71 is electrified to have magnetic attraction on the adjacent metal brake blocks 72, the metal brake blocks 72 are close to the adjacent electromagnet 71 to clamp and fix the adjacent rotating shaft 16, the phenomenon that the first connecting rod 10, the second connecting rod 11 and the third connecting rod 12 move relatively due to slight external force is avoided, the electromagnet 71 is powered off through the single chip microcomputer 14, the electromagnet 71 does not adsorb the metal brake blocks 72, the metal brake blocks 72 move reversely under the action of the tension spring 73 to relieve the limitation on the rotating shaft 16 is avoided, the two connecting rods 82 are arranged in parallel, the vertical positions of the pin shafts on the left sides of the two connecting rods 82 correspond, the vertical positions of the pin shafts on the right sides of the two connecting rods 82 correspond, the connecting rods 81, the connecting rods 82 and the L-shaped plate 83 form a parallelogram structure, and the L-shaped plate 83 is ensured to be always in a vertical downward state, the inclination of the operating microscope during the use process is avoided.

It should be noted that the lead screw motor 5, the electromagnet 71 and the spot light 18 disclosed in the above embodiments can be freely configured according to practical application scenarios, the lead screw motor 5 is suggested to select a 42-series lead screw stepping motor, the electromagnet 71 is selected from an HY1009878 electromagnet, and the single chip 14 controls the lead screw motor 5, the electromagnet 71 and the spot light 18 to work by a method commonly used in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A surgical microscope stand, characterized by: comprises a base (1), a pressing component (6), a fixing component (7) and a connecting head component (8);

base (1): the upper end of the inner part of the base is rotatably connected with a limiting disc (2), the outer edges of the lower surface of the end head of the base (1) are fixedly connected with trundles (17), the middle part of the upper surface of the limiting disc (2) is fixedly connected with a rotary drum (3), the upper surface of the rotary drum (3) is fixedly connected with a lead screw motor (5), the lower end of an output shaft of the lead screw motor (5) is rotatably connected with the inner bottom surface of the rotary drum (3), and the middle part of the output shaft of the lead screw motor (5) is in threaded connection with a connecting rod assembly (4);

a hold-down assembly (6): the pressing component (6) is arranged in a matching way with the limiting disc (2) and is connected to the lower end of the inner part of the base (1) in a sliding way;

fixing assembly (7): is arranged inside the connecting rod component (4);

connection head assembly (8): the connecting rod assembly is arranged at the front end of the connecting rod assembly (4), the single chip microcomputer (14) is arranged on the front side face of the right end of the connecting rod assembly (8), an external power supply is electrically connected with the input end of the single chip microcomputer (14), and the output end of the single chip microcomputer (14) is electrically connected with the output end of the lead screw motor (5).

2. A surgical microscope stand according to claim 1, wherein: the connecting rod assembly (4) comprises a first connecting rod (10), a second connecting rod (11) and a third connecting rod (12), the middle of the rear end of the first connecting rod (10) is in threaded connection with the middle of an output shaft of the screw rod motor (5), the front end of the first connecting rod (10), the left end of the second connecting rod (11) and the front end of the third connecting rod (12) are respectively provided with a connecting ring (15), the inside of the connecting ring (15) is rotatably connected with a rotating shaft (16), the rotating shaft (16) at the front end of the third connecting rod (12) is fixedly connected with the rear end of the connecting head assembly (8), the rotating shaft (16) at the left end of the second connecting rod (11) is fixedly connected with the rear end of the third connecting rod (12), and the rotating shaft (16) at the front end of the first connecting rod (10) is fixedly connected with the right end of the second connecting rod (11).

3. A surgical microscope stand according to claim 2, wherein: connecting head subassembly (8) are including connecting block (81), connecting rod (82) and L template (83), connecting block (81) and pivot (16) fixed connection of third connecting rod (12) front end, both ends are all rotated about the trailing flank of connecting block (81) and are connected with connecting rod (82), and the left end of connecting rod (82) all is connected through the round pin axle rotation with the trailing flank of L template (83), and the inside mounting hole that is equipped with symmetric distribution of left side plate body of L template (83), the leading flank and singlechip (14) fixed connection of connecting block (81).

4. A surgical microscope stand according to claim 3, wherein: the right flank of L template (83) is equipped with handle (13), and the vertical body of rod extrados of handle (13) rotates and is connected with the sleeve.

5. A surgical microscope stand according to claim 3, wherein: the front side face of the L-shaped plate (83) is provided with a gooseneck (9), the left end of the gooseneck (9) is provided with a spotlight (18), and the input end of the spotlight (18) is electrically connected with the output end of the single chip microcomputer (14).

6. A surgical microscope stand according to claim 1, wherein: compress tightly subassembly (6) including removing dish (61), spring (62), adjusting bolt (63) and friction disk (65), adjusting bolt (63) rotate to be connected in the round hole inner wall that base (1) lower surface set up, and the upper end threaded connection of adjusting bolt (63) has removal dish (61), and the upper surface array of removing dish (61) is equipped with spring (62), the top of spring (62) all with the lower fixed surface of friction disk (65) be connected, the upper surface of friction disk (65) and the lower surface contact of spacing dish (2).

7. A surgical microscope stand according to claim 6, wherein: the pressing assembly (6) further comprises guide rods (64), the guide rods (64) are arranged on the bottom surface of the base (1) in an array mode, the guide rods (64) are connected with the inner walls of the through holes formed in the movable plate (61) in an array mode in a sliding mode, the upper ends of the guide rods (64) are fixedly connected with the lower surface of the friction disc (65), and the guide rods (64) are located inside the vertically corresponding springs (62) respectively.

8. A surgical microscope stand according to claim 2, wherein: fixed subassembly (7) include electro-magnet (71), metal brake pads (72) and extension spring (73), electro-magnet (71) set up respectively in the inside bottom surface of cavity of go-between (15), extension spring (73) set up respectively in the cavity lateral wall of go-between (15), the inboard end of extension spring (73) respectively with adjacent metal brake pads (72) extrados fixed connection, metal brake pads (72) respectively with adjacent pivot (16) extrados correspond the setting.

9. A surgical microscope stand according to claim 8, wherein: the fixing component (7) further comprises a limiting column (74), the limiting column (74) is arranged in the middle of the outer arc surface of the metal brake block (72) respectively, and the limiting column (74) is connected with the inner wall of the jack arranged in the connecting ring (15) in a sliding mode.