CN116849978A

CN116849978A - Electroencephalogram examination chair

Info

Publication number: CN116849978A
Application number: CN202311012649.0A
Authority: CN
Inventors: 赵烟桥; 孙烁勋; 高嘉隆; 牛诗童; 林海军
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2023-10-10

Abstract

The utility model discloses an electroencephalogram examination chair, and relates to the technical field of medical equipment for electroencephalogram detection; according to the electroencephalogram examination chair, after a chin is supported, the support structure is bound on the head of a patient through the design of the binding belt, the hook-face magic tape and the wool-face magic tape, meanwhile, the horizontal bending adjusting assembly is adopted for connection, the multi-section turnover rotating folding sub-rod in the horizontal bending adjusting assembly moves along with the patient, the automatic change of the front, back, left and right positions of the horizontal direction is carried out, the support position is changed, the change of any support position of a horizontal plane during examination is facilitated, different support requirements are met, meanwhile, the adjustment is realized without manual operation, the adjustment is realized only through the movement of the patient, and the use is convenient; the electromagnet is electrified to generate magnetic force to drive, so that quick braking is realized, and the position is fixed and adjusted.

Description

Electroencephalogram examination chair

Technical Field

The utility model discloses an electroencephalogram examination chair, and relates to the technical field of medical equipment for electroencephalogram detection.

Background

Electroencephalogram is a common examination mode in neurology, and the examination method can be clinically divided into two types of static and dynamic, mainly used for examining cerebrovascular and neurological diseases such as epilepsy, brain tumor, brain trauma and the like, and has auxiliary diagnosis effect on mental diseases, such as brain analysis of depression; when performing an electroencephalogram examination, the patient often passes through an examination chair to provide an auxiliary examination.

The early stage lacks the special chair to electroencephalogram detection, therefore the patient sits on ordinary seat, and ordinary seat can't well assist doctor to carry out corresponding inspection, causes the relatively poor problem of patient travelling comfort easily. For this purpose, the utility model patent of application number 202121120380.4, "a novel electroencephalogram examination chair", gives a solution, and is described as follows: including the seat body, lumbar support pad, head support, handle, chest support and chin support, wherein: the lumbar support cushion is arranged in the middle of the backrest surface of the seat body; the head support is arranged in the middle of the top end of the backrest of the seat body through a fixing plate. The head support, the chest support and the chin support are arranged, so that when the head support is used, a doctor can be well assisted to perform corresponding examination, better comfort level can be provided for a patient, the patient can be better fixed, the workload of family members and medical staff of the patient is reduced, and the head support is convenient for market popularization and application.

As can be seen from the above technical literature analysis, while it can provide support for the head of a patient, reducing fatigue during patient examination, it also has the following drawbacks: after supporting the head of the patient, the horizontal supporting position is not easy to adjust, and the head supporting effect of the patient in different sitting positions is not easy to be met; that is, when the patient is not easy to check while keeping the fixed sitting position for a long period of time, the support position cannot be adjusted automatically when the patient moves to change the sitting position.

Disclosure of Invention

According to the electroencephalogram examination chair, after a chin is supported, the support structure is bound on the head of a patient through the design of the binding belt, the hook-surface magic tape and the wool-surface magic tape, meanwhile, the horizontal bending adjustment assembly is adopted for connection, the multi-section turnover rotating folding sub-rod in the horizontal bending adjustment assembly moves along with the patient, the automatic change of the front, back, left and right positions of the horizontal direction is carried out together, the support position is changed, the change of any support position of the horizontal plane during examination is facilitated, different support requirements are met, meanwhile, the adjustment is not needed to be realized manually, the adjustment is realized only through the movement of the patient, and the use is convenient; the electromagnet is electrified to generate magnetic force to drive, so that quick braking is realized, and the position is fixed and adjusted.

The purpose of the utility model is realized in the following way:

an electroencephalogram examination chair comprises a chair seat and a seat frame;

the bottom of the seat is provided with a plurality of casters in an annular array, the center of the top of the seat is fixedly provided with a vertical gas spring, the top end of the gas spring is fixedly connected with the center of the bottom of the seat frame, and the surface of the top of the seat frame is fixedly paved with a layer of seat cushion; the seat frame is fixedly provided with a connecting plate, the top of the connecting plate is fixedly provided with a back frame, and a layer of back cushion is fixedly laid on the surface of the back frame;

the lifting adjusting assembly is fixedly arranged on two side walls of the back frame and is connected with two horizontal bending adjusting assemblies, each horizontal bending adjusting assembly is formed by assembling a plurality of folding sub-rods, two adjacent folding sub-rods are hinged, one ends, far away from the lifting adjusting assemblies, of each horizontal bending adjusting assembly are fixedly provided with a fixing seat, each fixing seat is hinged with a turnover seat, each turnover seat is connected with a telescopic plate, one end of each telescopic plate is fixedly provided with a chin supporting seat, each chin supporting seat is provided with a groove body, a soft cushion used for supporting and contacting the chin of a patient is fixedly embedded in each groove body, the tops of the soft cushions are of circular arc structures, the bottoms of the chin supporting seats are connected through a buckle lock, each chin supporting seat is fixedly connected with a binding belt, and each hook-face magic tape and each hook-face binding tape are respectively arranged on each chin supporting seat;

the two chin support seats are respectively provided with an inserting block and an inserting hole, and the inserting blocks are in clearance fit connection with the inserting holes;

the back of the back frame is fixedly provided with a control box.

The electroencephalogram examination chair comprises two protective shells and connecting shafts, wherein the number of the protective shells is two, the two protective shells are fixedly installed on two side walls of a back frame through fixing frames respectively, two ends of each connecting shaft are rotatably installed on the lower side walls of the two protective shells respectively, the end parts of each connecting shaft extend into the protective shells, a worm is fixedly connected with the end parts of each connecting shaft, the worm is rotatably installed on the lower parts of the inner parts of the protective shells, a vertical screw rod is rotatably installed in the inner parts of the protective shells, a worm wheel is fixedly sleeved at the bottom ends of the screw rods, the worm wheel is meshed with the worm, nuts are connected onto the rod faces of the screw rods in a threaded mode, guide blocks are fixedly connected with the nuts, guide grooves are vertically formed in the front faces of the protective shells, the guide grooves are slidably connected with the guide blocks, and one end parts of the guide blocks, far away from the nuts, are fixedly connected with folding sub-rods at the rear ends of the horizontal bending adjustment assembly; the worm end part at the left end of the connecting shaft is fixedly connected with an adjusting knob, and the adjusting knob is rotatably installed with the outer side wall of the protective shell.

The electroencephalogram examination chair comprises the telescopic plate, the movable plate and the first spiral spring, wherein the telescopic plate comprises an inserting strip, the movable plate and the first spiral spring; one end of the cutting is fixedly connected with one end of the overturning seat, a guide groove is formed in one end, close to the cutting, of the movable plate, the other end of the movable plate is fixedly connected with the chin support seat, the cutting is connected with the guide groove in a clearance fit mode, a plurality of first spiral springs are arranged in the guide groove, one end of each first spiral spring is fixedly connected with one end of the cutting, and the other end of each first spiral spring is fixedly connected with the groove wall of the guide groove.

According to the electroencephalogram examination chair, one end of the folding sub-rod is provided with the end groove, the round tube is fixedly arranged in the end groove, the other end of the folding sub-rod is fixedly provided with the end seat, and the end seat is provided with the round hole; two adjacent folding sub-poles are connected with the round hole through a round pipe, and the round pipe is connected with the round hole in a clearance fit manner, specifically: a circular groove is formed in the outer pipe wall of the circular pipe, a circular ring seat is fixedly arranged on the hole wall of the circular hole, and the circular ring seat is in clearance fit connection with the circular groove; the inner pipe wall of the circular pipe is provided with a plurality of through holes distributed in an annular array, and the through holes are communicated with the circular groove.

The through hole clearance fit is connected with a pressing column, one end of the pressing column is of a hemispherical structure, a second spiral spring is sleeved on the pressing column, one end of the second spiral spring is fixedly connected with the cylindrical surface of the pressing column, the other end of the second spiral spring is fixedly connected with the inner tube wall of the circular tube, and one end face, close to the circular ring seat, of the pressing column is of an arc surface structure.

The inside of pipe is provided with the round platform ring, and the round platform ring is located the top at a plurality of compression columns middle parts, the guide hole has been seted up at the middle part of round platform ring, guide hole clearance fit is connected with the guide arm, the both ends portion of guide arm all is with the cell wall fixed connection of end slot.

The guide hole is characterized in that a plurality of concave holes which are uniformly distributed are formed in the hole wall of the guide hole, and balls are arranged in the concave holes and are in contact with the rod surface of the guide rod.

A third spiral spring is arranged at the top of the round table ring; the third spiral spring is sleeved on the guide rod, the top end of the third spiral spring is fixedly connected with the groove wall of the end groove, and the other end of the third spiral spring is fixedly connected with the top of the round table ring.

The bottom fixed mounting of round platform ring has the hoop, the bottom below of hoop is provided with a plurality of electro-magnet that is annular array and distributes, and electro-magnet fixed mounting is on the cell wall of end tank.

The utility model has the following beneficial effects:

the utility model can provide supporting effect for the head of the chin of a patient, can also adjust the horizontal height through the lifting adjusting component besides reducing the fatigue degree in the inspection process, enables the two worms and the connecting shaft to rotate together through rotating the adjusting knob, enables the two screws to synchronously rotate through meshing transmission between the worm and the worm wheel, and enables the screw to screw with the nut, so that the vertical guiding effect of the guide block and the guide groove is matched, the driving in the vertical direction is realized, and the height adjustment is realized, thereby adjusting the structure for supporting the chin to different horizontal heights, and being suitable for the supporting requirements of different heights of the patient;

secondly, after providing support for the chin, the structure of support can be bound on the head of a patient through the design of the binding belt, the hook-surface magic tape and the wool-surface magic tape, and meanwhile, the horizontal bending adjusting assembly is adopted for connection, and the multi-section turnover rotating folding sub-rod in the horizontal bending adjusting assembly can move along with the patient to automatically change the front, back, left and right positions of the horizontal direction together, so that the support position is changed, the change of the horizontal position is convenient to meet the requirement of examination, the change of any support position meets different support requirements, and meanwhile, the adjustment is realized without manual operation, and the adjustment is realized through the movement of the patient, so that the support is convenient to use;

thirdly, the utility model has the design of quick locking and braking, and after the position is adjusted, the braking can be quickly carried out by electrifying the electromagnet, and the braking after the position is adjusted is carried out.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an electroencephalogram examination chair according to the present utility model;

FIG. 2 is a schematic view of a lift adjustment assembly;

FIG. 3 is a schematic view of the structure above and on both sides of the chin rest;

FIG. 4 is a schematic view of the structure of the inside of the chin rest;

FIG. 5 is a schematic view of the structure of the inside of the guide slot;

FIG. 6 is a schematic view of the structure of the outer part in the connected state of the two folding sub-poles;

FIG. 7 is a schematic view of the structure of the outside of the round tube;

FIG. 8 is a schematic cross-sectional view of two folded sub-poles in a connected state;

FIG. 9 is a schematic view of the structure of the inside of the circular truncated cone ring;

fig. 10 is a schematic diagram of the distribution of press studs.

In the figure: 1. a seat; 2. casters; 3. a gas spring; 4. a mounting; 5. a seat cushion; 6. a connecting plate; 7. a back frame; 8. a back pad; 9. a fixing frame; 10. a protective shell; 11. a guide groove; 12. a guide block; 13. an adjustment knob; 14. folding the sub-rod; 15. a control box; 16. a fixing seat; 17. turning over the seat; 18. cutting; 19. a movable plate; 20. a chin support base; 21. a strap; 22. a nut; 23. a screw; 24. a worm wheel; 25. a worm; 26. a connecting shaft; 27. hook-face magic tape; 28. a rough surface magic tape; 29. a soft cushion; 30. a snap lock; 31. an end groove; 32. an end seat; 33. a round tube; 34. a round hole; 35. circular ring grooves; 36. a through hole; 37. a guide groove; 38. a first coil spring; 39. pressing a column; 40. a second coil spring; 41. a circular ring seat; 42. a guide rod; 43. a circular truncated cone ring; 44. a third coil spring; 45. an iron ring; 46. an electromagnet; 47. a guide hole; 48. concave holes; 49. and (3) rolling balls.

Detailed Description

The following detailed description of the utility model will be given with reference to the accompanying drawings.

Mode one

The following is a specific embodiment of the electroencephalogram examination chair of the present utility model.

The electroencephalogram examination chair in this embodiment, as shown in fig. 1 to 10, comprises a chair seat 1 and a seat frame 4;

the bottom of the chair seat 1 is provided with a plurality of casters 2 in an annular array, the center of the top of the chair seat 1 is fixedly provided with a vertical gas spring 3, the top end of the gas spring 3 is fixedly connected with the center of the bottom of the seat frame 4, and the surface of the top of the seat frame 4 is fixedly paved with a layer of seat cushion 5; the seat frame 4 is fixedly provided with a connecting plate 6, the top of the connecting plate 6 is fixedly provided with a back frame 7, and a layer of back cushion 8 is fixedly laid on the surface of the back frame 7;

the lifting adjusting components are fixedly mounted on two side walls of the back frame 7, the lifting adjusting components are connected with two horizontal bending adjusting components, the horizontal bending adjusting components are formed by assembling a plurality of folding sub-rods 14, two adjacent folding sub-rods 14 are hinged, one ends, far away from the lifting adjusting components, of the horizontal bending adjusting components are fixedly mounted with a fixing seat 16, two fixing seats 16 are fixedly mounted with a turnover seat 17, two turnover seats 17 are connected with a telescopic plate, one ends of the telescopic plate are fixedly mounted with a chin supporting seat 20, two chin supporting seats 20 are provided with groove bodies, soft cushions 29 used for supporting and contacting the chin of a patient are fixedly embedded in the groove bodies, the tops of the soft cushions 29 are of circular arc structures, the bottoms of the chin supporting seats 20 are connected through lap locks 30, the chin supporting seats 20 are fixedly connected with a binding belt 21, and hook faces and loop faces 27 and hook faces 28 are respectively arranged on the two binding belts 21;

when a patient sits on the seat cushion 5 and supports the chin position, the front, back, left and right positions of the horizontal support position can be adjusted through mutual rotation and bending of the plurality of folding sub-rods 14, and the lifting adjustment assembly is further matched for lifting height adjustment so as to meet the support requirements of different positions;

the two chin support bases 20 are respectively provided with an inserting block and an inserting hole, and the inserting blocks are in clearance fit connection with the inserting holes;

the back of the back frame 7 is fixedly provided with a control box 15, a circuit board is arranged in the control box 15 to provide a control circuit, the control box is connected with an electromagnet 46, a control switch is arranged on the outer shell of the control box 15 to control, and meanwhile, a power supply is externally connected during use.

As shown in fig. 2, as a specific technical solution, the lifting adjustment assembly includes two protective cases 10 and a connecting shaft 26, the number of the protective cases 10 is two, the two protective cases 10 are respectively and fixedly mounted on two side walls of the back frame 7 through the fixing frame 9, two ends of the connecting shaft 26 are respectively and rotatably mounted with lower side walls of the two protective cases 10, and an end portion of the connecting shaft 26 extends into the interior of the protective case 10, a worm 25 is fixedly connected with an end portion of the connecting shaft 26, the worm 25 is rotatably mounted at the lower portion of the interior of the protective case 10, a vertical screw 23 is also rotatably mounted in the interior of the protective case 10, a worm wheel 24 is fixedly sleeved at the bottom end of the screw 23, the worm wheel 24 is in meshed connection with the worm 25, a nut 22 is in threaded connection with a rod surface of the screw 23, a guide block 12 is fixedly connected with the nut 22, a guide groove 11 is vertically opened on the front surface of the protective case 10, the guide groove 11 is slidably connected with the guide block 12, and one end of the guide block 12, which is far from the nut 22, is fixedly connected with a folded rod 14 of the horizontal bending adjustment assembly; the end part of the worm 25 at the left end of the connecting shaft 26 is fixedly connected with an adjusting knob 13, the adjusting knob 13 is rotatably mounted with the outer side wall of the protective shell 10, and the height position can be adjusted by rotating the adjusting knob 13.

As shown in fig. 5, as a specific technical solution, the telescopic plate includes a cutting 18, a movable plate 19 and a first coil spring 38; one end of the cutting 18 is fixedly connected with one end of the overturning seat 17, a guide groove 37 is formed in one end, close to the cutting 18, of the movable plate 19, the other end of the movable plate 19 is fixedly connected with the chin support seat 20, the cutting 18 is connected with the guide groove 37 in a clearance fit mode, a plurality of first spiral springs 38 are arranged in the guide groove 37, one end of each first spiral spring 38 is fixedly connected with one end of the cutting 18, the other end of each first spiral spring 38 is fixedly connected with the groove wall of the guide groove 37, elastic expansion is achieved, and position adjustment between the two chin support seats 20 is facilitated.

Further, an end groove 31 is formed at one end of the folding sub-rod 14, a round tube 33 is fixedly installed in the end groove 31, an end seat 32 is fixedly installed at the other end of the folding sub-rod 14, and a round hole 34 is formed in the end seat 32; the two adjacent folding sub-rods 14 are connected with the round hole 34 through the round tube 33, and the round tube 33 is connected with the round hole 34 in a clearance fit manner; a circular groove 35 is formed in the outer pipe wall of the circular pipe 33, a circular ring seat 41 is fixedly arranged on the hole wall of the circular hole 34, and the circular ring seat 41 is in clearance fit connection with the circular ring groove 35; a plurality of through holes 36 distributed in an annular array are formed in the inner pipe wall of the circular pipe 33, and the through holes 36 are communicated with the annular groove 35; the through hole 36 is connected with a pressing column 39 in a clearance fit manner, one end of the pressing column 39 is of a hemispherical structure, a second spiral spring 40 is sleeved on the pressing column 39, one end of the second spiral spring 40 is fixedly connected with the cylindrical surface of the pressing column 39, the other end of the second spiral spring 40 is fixedly connected with the inner pipe wall of the circular pipe 33, and one end surface of the pressing column 39, which is close to the circular ring seat 41, is of an arc surface structure; the circular tube 33 is internally provided with a circular table ring 43, the circular table ring 43 is positioned above the middle parts of the pressing columns 39, the middle part of the circular table ring 43 is provided with a guide hole 47, the guide hole 47 is connected with a guide rod 42 in a clearance fit manner, and two end parts of the guide rod 42 are fixedly connected with the groove walls of the end grooves 31; a plurality of concave holes 48 which are uniformly distributed are formed in the hole wall of the guide hole 47, balls 49 are arranged in the concave holes 48, and the balls 49 are in contact with the rod surface of the guide rod 42; a third coil spring 44 is arranged at the top of the round table ring 43; the third spiral spring 44 is sleeved on the guide rod 42, the top end of the third spiral spring 44 is fixedly connected with the groove wall of the end groove 31, and the other end of the third spiral spring 44 is fixedly connected with the top of the circular truncated cone ring 43; the bottom of the round table ring 43 is fixedly provided with an iron ring 45, a plurality of electromagnets 46 distributed in a ring array are arranged below the bottom of the iron ring 45, and the electromagnets 46 are fixedly arranged on the groove wall of the end groove 31 and used for braking after position adjustment.

Mode two

The following is a specific embodiment of the method for using the electroencephalogram examination chair of the present utility model.

The using method of the electroencephalogram examination chair in the specific embodiment comprises the following steps:

firstly, the structure in front of a back cushion 8 is opened, the blocking in front is cancelled, the sitting and standing of a patient are prevented from being influenced, the buckling lock 30 is unlocked, then the two chin support seats 20 are respectively held by two hands, the two chin support seats 20 are separated and opened by pulling the two chin support seats 20, so that an inserting block is separated from an inserting hole, a space is generated between the two chin support seats 20, the chin support seats 20 are pulled out specifically through the telescopic action of a telescopic plate, when the chin support seats 20 are pulled out, the movable plate 19 moves together with the chin support seats 20, so that the cutting 18 and the guide groove 37 are relatively moved, the amount of the cutting 18 extending into the guide groove 37 is changed, the telescopic effect is realized, meanwhile, the first spiral spring 38 is compressed, the reset compression elasticity is generated, the overturning is realized through the rotary hinging design of the fixed seat 16 and the overturning seat 17, the telescopic plate and the chin support seats 20 are rotated together, the overturning seat is turned downwards by 90 degrees, and the blocking is cancelled from a horizontal state;

then the patient sits on the seat cushion 5, after sitting, the chin rest 20 is reset through the overturning operation, meanwhile, when overturning, a force needs to be applied, the telescopic plate is in a contracted state, after overturning to be in a horizontal state, the telescopic plate is slowly relaxed transversely, the two chin rest 20 are mutually close until the insertion block is inserted into the insertion hole under the elastic force of the first spiral spring 38, and then the snap lock 30 is locked, so that the structure for providing chin support for the patient is positioned in front of the patient;

the lifting adjusting component is used for adjusting the horizontal height, so that the lifting adjusting component is suitable for supporting requirements of patients at different heights, when the height is adjusted, the adjusting knob 13 is rotated, the two worms 25 and the connecting shaft 26 are rotated together, the two screws 23 are synchronously rotated together through meshing transmission between the worm 25 and the worm wheel 24, the screws 23 and the nuts 22 are screwed, the vertical guiding effect of the guide block 12 and the guide groove 11 is matched, the vertical driving is realized, the height adjustment is realized, and therefore, the chin supporting structure is adjusted to different horizontal heights;

after the height is adjusted, the electromagnet 46 is in an initial state and is in a power-off state, the inner ring of the circular tube 33 is not extruded, friction braking is applied to the inner ring of the circular tube seat 41, two adjacent folding sub-rods 14 relatively rotate, the horizontal bending adjusting assembly is formed by hinging a plurality of folding sub-rods 14, the chin support seat 20 is adjusted in the front, back, left and right positions of the horizontal surface through hinging and overturning among a plurality of sections, the soft cushion 29 on the chin support seat 20 is moved to the lower part of the chin of a patient to be supported and contacted, and then the soft cushion 29 is wrapped on the head of the patient through the binding belt 21 and is adhered and fixed through the hook-face magic tape 27 and the hair-face magic tape 28;

the function of chin support is provided through the operation, so that the fatigue of a patient is avoided, after the chin support is carried out, the electromagnet 46 is not electrified, the patient adjusts the sitting posture, the sitting posture is avoided, discomfort is avoided when the patient sits at the same position for a long time, the head drives the chin support seat 20 to move after the chin support seat is correspondingly bound, and the support position is automatically adjusted through the hinging function of the folding sub-rod 14;

after the supporting position is adjusted, medical staff controls the electromagnet 46 to be electrified through the control box 15 so as to carry out limit braking; after the electromagnet 46 is electrified, the iron ring 45 is magnetically attracted, so that the iron ring 45 and the round table ring 43 move downwards together, meanwhile, the third spring is stretched to generate reset elastic force, when the round table ring 43 moves downwards, through the design of different upper and lower thicknesses, in the descending process, the gradually increasing thickness extrusion effect is provided for the spherical end face of the compression column 39, the compression column 39 is pressed onto the inner ring of the round ring seat 41, meanwhile, the second spiral spring 40 is compressed to generate reset elastic force, friction is improved through extrusion, braking is realized, and the limit after adjustment is completed;

when the position is adjusted again, the electromagnet 46 is powered off, the round table ring 43 is reset upwards by the elastic force of the third spiral spring 44, the pressing column 39 is reset by the elastic force of the second spiral spring 40, the pressing of the round ring seat 41 is canceled, the braking is canceled, the patient continues to move to adjust the sitting position, and the chin support position is adjusted synchronously.

It should be noted that the above embodiments of the present utility model are merely illustrative of the present utility model and are not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

It should be noted that, the technical features listed in the above embodiments can be arranged and combined as long as they are not contradictory, and those skilled in the art can exhaust the results after each arrangement and combination according to the mathematical knowledge of the arrangement and combination learned by the senior citizen, and all the results after the arrangement and combination should be understood as being disclosed by the present utility model.

Claims

1. An electroencephalogram examination chair is characterized by comprising a chair seat (1) and a seat frame (4);

the bottom of the chair seat (1) is provided with a plurality of casters (2) in an annular array, a vertical gas spring (3) is fixedly arranged at the center of the top of the chair seat (1), the top end of the gas spring (3) is fixedly connected with the center of the bottom of the seat frame (4), and a layer of seat cushion (5) is fixedly paved on the top surface of the seat frame (4); the seat frame (4) is fixedly provided with a connecting plate (6), the top of the connecting plate (6) is fixedly provided with a back frame (7), and a layer of back cushion (8) is fixedly laid on the surface of the back frame (7);

the lifting adjusting components are fixedly arranged on the two side walls of the back frame (7), the lifting adjusting components are connected with two horizontal bending adjusting components, the horizontal bending adjusting components are formed by assembling a plurality of folding sub-rods (14), wherein two adjacent folding sub-rods (14) are hinged, one ends, far away from the lifting adjusting components, of the two horizontal bending adjusting components are fixedly provided with a fixed seat (16), two fixed seats (16) are hinged with a turnover seat (17), two turnover seats (17) are connected with a telescopic plate, one end of each of the two telescopic plate members is fixedly provided with a chin supporting seat (20), each of the two chin supporting seats (20) is provided with a groove body, a soft cushion (29) for supporting and contacting the chin of a patient is fixedly embedded in each groove body, the tops of the soft cushions (29) are of arc structures, the bottoms of the two chin supporting seats (20) are connected through a snap lock (30), each of the two chin supporting seats (20) is fixedly connected with a binding belt (21), and hook-face magic tapes (27) and hair-face magic tapes (28) are respectively arranged on the corresponding binding belt (21);

the two chin support bases (20) are respectively provided with an inserting block and an inserting hole, and the inserting blocks are in clearance fit connection with the inserting holes;

the back of the back frame (7) is fixedly provided with a control box (15).

2. An electroencephalogram examination chair according to claim 1, wherein the lifting adjusting component comprises two protective cases (10) and a connecting shaft (26), the number of the protective cases (10) is two, the two protective cases (10) are fixedly mounted on two side walls of the back frame (7) through fixing frames (9), the two ends of the connecting shaft (26) are rotatably mounted on the lower side walls of the two protective cases (10) respectively, the end parts of the connecting shaft (26) extend into the inside of the protective cases (10), the end parts of the connecting shaft (26) are fixedly connected with a worm (25), the worm (25) is rotatably mounted on the position below the inside of the protective cases (10), a vertical screw (23) is rotatably mounted in the inside of the protective cases (10), a worm wheel (24) is fixedly sleeved at the bottom end part of the screw (23), the screw (24) is meshed with the worm (25), a nut (22) is connected with the rod surface of the screw (23) in a threaded manner, the worm wheel (22) is fixedly connected with a guide block (12), the guide block (12) is provided with a guide groove (11) along the guide block (11), one end of the guide block (12) far away from the nut (22) is fixedly connected with a folding sub-rod (14) at the rear end of the horizontal bending adjusting component; an adjusting knob (13) is fixedly connected to the end of a worm (25) at the left end of the connecting shaft (26), and the adjusting knob (13) is rotatably installed with the outer side wall of the protective shell (10).

3. Electroencephalogram examination chair according to claim 1, characterized in that the telescopic plate comprises a cutting (18), a movable plate (19) and a first helical spring (38); one end of the cutting (18) is fixedly connected with one end of the overturning seat (17), a guide groove (37) is formed in one end, close to the cutting (18), of the movable plate (19), the other end of the movable plate (19) is fixedly connected with the chin supporting seat (20), the cutting (18) is in clearance fit connection with the guide groove (37), a plurality of first spiral springs (38) are arranged in the guide groove (37), one end of each first spiral spring (38) is fixedly connected with one end of the cutting (18), and the other end of each first spiral spring (38) is fixedly connected with the groove wall of the guide groove (37).

4. The electroencephalogram examination chair according to claim 1, wherein an end groove (31) is formed in one end of the folding sub-rod (14), a round tube (33) is fixedly arranged in the end groove (31), an end seat (32) is fixedly arranged at the other end of the folding sub-rod (14), and a round hole (34) is formed in the end seat (32); two adjacent folding sub-rods (14) are connected with a round hole (34) through a round tube (33), and the round tube (33) is connected with the round hole (34) in a clearance fit manner, specifically: a circular groove (35) is formed in the outer pipe wall of the circular pipe (33), a circular ring seat (41) is fixedly arranged on the hole wall of the circular hole (34), and the circular ring seat (41) is in clearance fit connection with the circular ring groove (35); the inner pipe wall of the circular pipe (33) is provided with a plurality of through holes (36) distributed in an annular array, and the through holes (36) are communicated with the annular grooves (35).

5. The electroencephalogram examination chair according to claim 4, wherein the through hole (36) is connected with a pressing column (39) in a clearance fit manner, one end of the pressing column (39) is of a hemispherical structure, a second spiral spring (40) is sleeved on the pressing column (39), one end of the second spiral spring (40) is fixedly connected with a cylindrical surface of the pressing column (39), the other end of the second spiral spring (40) is fixedly connected with an inner pipe wall of the circular pipe (33), and one end face, close to the circular ring seat (41), of the pressing column (39) is of an arc surface structure.

6. The electroencephalogram examination chair according to claim 5, wherein a round table ring (43) is arranged in the round tube (33), the round table ring (43) is located above the middle parts of the pressing columns (39), guide holes (47) are formed in the middle parts of the round table ring (43), guide rods (42) are connected to the guide holes (47) in a clearance fit mode, and two end portions of the guide rods (42) are fixedly connected with the groove walls of the end grooves (31).

7. The electroencephalogram examination chair according to claim 6, wherein a plurality of evenly distributed concave holes (48) are formed in the hole wall of the guide hole (47), balls (49) are arranged in the concave holes (48), and the balls (49) are in contact with the rod surface of the guide rod (42).

8. Electroencephalogram examination chair according to claim 6, characterized in that the top of the circular truncated cone ring (43) is provided with a third helical spring (44); the third spiral spring (44) is sleeved on the guide rod (42), the top end of the third spiral spring (44) is fixedly connected with the groove wall of the end groove (31), and the other end of the third spiral spring (44) is fixedly connected with the top of the circular table ring (43).

9. The electroencephalogram examination chair according to claim 6, wherein an iron ring (45) is fixedly arranged at the bottom of the round table ring (43), a plurality of electromagnets (46) distributed in a ring-shaped array are arranged below the bottom of the iron ring (45), and the electromagnets (46) are fixedly arranged on the groove wall of the end groove (31).