CN215994009U - Electroencephalogram detection device convenient for branching - Google Patents

Abstract

The utility model belongs to the technical field of electroencephalogram detection device technique and specifically relates to an electroencephalogram detection device convenient to separated time, the power distribution box comprises a lower box body, first groove of stepping down has been seted up to the top surface of box down, the inner wall in first groove of stepping down rotates and is connected with the axis of rotation, the fixed surface of axis of rotation has last box, it is fixed with one side joint that the axis of rotation is kept away from to last box and lower box, first through-hole has been seted up with the opposite side of box down to go up the box, the inside first gear that is provided with of first through-hole, first gear is fixed on the surface of axis of rotation, and this device has increaseed the contact area between separated time clamp and the circuit, can adjust the separated time clamp position of electrode tip according to operator's needs, reduces the winding phenomenon of circuit, save time.

Description

Electroencephalogram detection device convenient for branching

Technical Field

The utility model relates to an electroencephalogram detection device field especially relates to an electroencephalogram detection device convenient to separated time.

Background

The electroencephalogram is a graph obtained by recording spontaneous biopotentials of the brain from the scalp by a precise electronic instrument in an enlarged manner, and is a spontaneous and rhythmic electrical activity of a brain cell group recorded by an electrode. Conventional electroencephalography, dynamic electroencephalography, video electroencephalography.

The prior art discloses partial patent documents related to electroencephalogram detection devices, Chinese patent with application number of 202021332580.1, and discloses an electroencephalogram detector online branching device, which comprises a lower box body, wherein the upper end of the lower box body is detachably connected with an upper box body which is vertically symmetrical with the lower box body, the lower box body consists of a cover box with a downward opening and a support box with an upward opening, the cover box and the support box are opposite in opening and can swing oppositely or oppositely, a support block is arranged in the support box, a plurality of arc-shaped grooves which are uniformly distributed along the left-right direction and axially move forwards and backwards are arranged on the support block, a plurality of through holes which are one-to-one corresponding and coaxial with the arc-shaped grooves are arranged on the front end of the support block, a plurality of rectangular grooves which are one-to-one corresponding to the arc-shaped grooves and have upward openings, C-shaped spring pieces which are coaxial with the arc-shaped grooves are arranged in the rectangular grooves, the openings of the spring pieces are upward, connecting rods which are arranged in the left-right direction and can move leftwards, the right end of the connecting rod is hinged with the spring piece through a swinging rod, and an extrusion air bag is arranged in the cover box.

In the prior art, when a line is branched, the device is fixed at the end of the line, the contact area with the line is small, after a patient is monitored, medical staff can place the line at an electrode end at any time, the line can be wound, the line needs to be managed for reuse when next detection is carried out, and time is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electroencephalogram detection device convenient for branching.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an electroencephalogram detection device convenient for branching comprises a lower box body, wherein a first abdicating groove is formed in the top surface of the lower box body, a rotating shaft is rotatably connected to the inner wall of the first abdicating groove, an upper box body is fixed on the surface of the rotating shaft, the upper box body and one side of the lower box body, which is far away from the rotating shaft, are clamped and fixed, a first through hole is formed in the other side of the upper box body and the other side of the lower box body, a first gear is arranged inside the first through hole and fixed on the surface of the rotating shaft, a second gear is meshed on one side of the first gear and rotatably connected to the inner wall of the first through hole, a rack is meshed on one side of the second gear and slidably contacted with the bottom surface of the first through hole, a clamping mechanism matched with the rack is arranged inside the first through hole, and when the upper box body and the lower box body are closed, the clamping mechanism is used for clamping a line, the back surfaces of the upper box body and the lower box body are jointly provided with a second through hole, a pre-clamping mechanism for pre-clamping a circuit is arranged in the second through hole, the surfaces of the upper box body and the lower box body are jointly provided with a first sliding chute, a sliding box is in sliding contact with the inside of the first sliding chute, a third through hole is arranged on the surface of the sliding box, the third through hole is larger than the inner diameter of the second through hole and is coaxial with the second through hole, and a positioning mechanism for positioning the circuit is arranged in the sliding box; when the device is used for branching, the sliding box is taken out, the upper box body is overturned, the rotating shaft is driven to rotate, the rotating shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rack to move, the rack moves to drive the clamping mechanism, the circuit is placed in the pre-clamping mechanism to pre-clamp the circuit, the circuit is prevented from being separated from the inner part of the second through hole when the second through hole is closed, and then the circuit passes through the inner part of the third through hole on the sliding box, then the upper box body is rotated, the circuit is clamped through the first clamping jaw, the circuit is clamped in the second through hole, the position of the sliding box can be freely adjusted by an operator according to needs through the positioning mechanism, the contact area between the wire distributing clamp and the circuit is enlarged, the position of the wire distributing clamp at the electrode end can be adjusted according to needs of the operator, the phenomenon of winding of the circuit is reduced, and time is saved.

Preferably, the pre-clamping mechanism comprises a second abdicating groove, the second abdicating groove is formed in the inner wall of the second through hole, second sliding grooves are symmetrically formed in two sides of the inner wall of the second abdicating groove, the bottom surfaces of the two second sliding grooves are both fixed with first springs, and the end parts of the two first springs are both fixed with second clamping jaws; during operation, when the box body is rotated, the second through hole is opened, the circuit is placed into the second through hole, the clamping mechanism is arranged in advance, the circuit can be clamped in advance, the circuit is prevented from being separated from the interior of the second through hole when the second through hole is closed, and time is saved.

Preferably, the positioning mechanism comprises a plurality of grooves, a third sliding groove and a fourth sliding groove, the grooves are linearly formed in the surface of the sliding box, a clamping block is connected to the inner portion of each groove in a sliding manner, a third spring is jointly fixed between each clamping block and the bottom surface of each groove, the fourth sliding groove is formed in the surface of the sliding box, a sliding rod is connected to the inner portion of the fourth sliding groove in a sliding manner, the third sliding groove is formed in the inner wall of the third through hole and communicated with the inner portion of the fourth sliding groove, a sliding plate is connected to the inner portion of the third sliding groove in a sliding manner and fixed to the sliding rod, a sliding block is fixed to the top surface of each sliding rod, a clamping groove is formed in one side of each sliding block, which is in contact with the surface of the sliding box, the clamping block is inserted into the clamping groove, a canceling mechanism for canceling the positioning state of each clamping block is arranged on the surface of each sliding block, and a pressing plate is fixed to the bottom surface of each sliding block, a second spring is jointly fixed between the top surface of the sliding plate and the bottom surface of the third sliding chute, a third clamping jaw is fixed on the bottom surface of the sliding plate, and the circle centers of the third clamping jaw and the third through hole are coaxial; the during operation, when the operator will adjust the position of slip case, can press canceling mechanism, the slider slides simultaneously, the slider drives the slide bar and removes, the slide bar draws the inside removal of dragging the slide at the third spout, make the third clamping jaw extrude the circuit, when the third clamping jaw blocks with the circuit completely, loosen canceling mechanism, under the thrust of second spring, promote the fixture block and slide along recess inner wall direction, make the fixture block insert and establish inside the draw-in groove, to the fixture block location, through setting up positioning mechanism, can freely adjust the position of slip case according to operator's demand, be favorable to better separated time, through setting up canceling mechanism, the orientation state of fixture block can cancel, make things convenient for slip case repetitive movement.

Preferably, the canceling mechanism comprises a guide hole, the guide hole is formed in the surface of the sliding block and communicated with the clamping groove, a guide rod is inserted into the guide hole, a canceling block is fixed on the surface of the guide rod, a fourth spring is jointly fixed between the canceling block and the sliding block, and the fourth spring is sleeved on the surface of the guide rod; the during operation, when the position of slip case is adjusted once more to needs, press the cancellation piece, drive the guide bar and remove, make the terminal surface of guide bar offset with the surface of fixture block, compress the third spring, make the fixture block get into inside the recess, contact the location state of fixture block, then adjust the position of slip case as required, loosen the cancellation piece after adjusting, under the elastic force of fourth spring, the guide bar resets, make the fixture block get into the inside of draw-in groove, relocate the fixture block, through setting up canceling mechanism, can repeatedly adjust the location state of fixture block, make things convenient for slip case repetitive movement.

Preferably, the surfaces of the first clamping jaw, the second clamping jaw and the third clamping jaw are all fixed with cushion pads; during operation, through setting up the blotter, prevent to carry out the scraping to the circuit surface, be favorable to the protection to the circuit.

Preferably, the clamping mechanism comprises a third gear, the lower part of the third gear is meshed with the upper part of the rack, a fourth gear is meshed with the upper part of the third gear, a fifth gear is meshed with the side surface of the fourth gear, the fourth gear and the fifth gear are consistent in specification, first clamping jaws are symmetrically fixed on the surfaces of the fourth gear and the fifth gear, the third gear, the fourth gear and the fifth gear are rotatably connected to the inner wall of the first through hole, and the center of each first clamping jaw is coaxial with the center of circle of the second through hole; during operation, the rack moves to drive the third gear to rotate, the third gear drives the fourth gear and the fifth gear to rotate, the first clamping jaw is opened, the circuit is placed into the first clamping jaw, when the rack moves reversely, the first clamping jaw is closed, the circuit is clamped in the second through hole, and branching of the end portion of the circuit is achieved.

Compared with the prior art, the utility model discloses following beneficial effect has:

when the device is used for branching, the sliding box is taken out, the upper box body is turned over to drive the rotating shaft to rotate, the rotating shaft drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rack to move, the rack moves to drive the clamping mechanism, the circuit is placed inside the pre-clamping mechanism, pre-clamping the circuit to prevent the circuit from separating from the inside of the second through hole when the second through hole is closed, then penetrating the circuit into the third through hole on the sliding box, then the upper box body is rotated, the first clamping jaw clamps the circuit, so that the circuit is clamped in the second through hole, through the positioning mechanism, an operator can freely adjust the position of the sliding box according to the requirement, the device enlarges the contact area between the distributing clamp and the circuit, the wire distributing clamp position of the electrode end can be adjusted according to the needs of an operator, the phenomenon of wire winding is reduced, and the time is saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the pre-clamping mechanism of the present invention;

fig. 3 is a schematic view of a first cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the sliding box of the present invention;

fig. 5 is a schematic view of a second cross-sectional structure of the present invention;

fig. 6 is a schematic view of a third cross-sectional structure of the present invention;

fig. 7 is a partially enlarged view of a portion a in fig. 6 according to the present invention.

In the figure: 1. a lower box body; 2. a first abdicating groove; 3. a rotating shaft; 4. an upper box body; 5. a fourth spring; 6. a cushion pad; 7. a first through hole; 8. a first gear; 9. a second gear; 10. a rack; 11. a third gear; 12. a fourth gear; 13. a fifth gear; 14. a first jaw; 15. a second through hole; 16. a first chute; 17. a slide box; 18. a third through hole; 19. a second abdicating groove; 20. a second chute; 21. a first spring; 22. a second jaw; 23. a groove; 24. a third chute; 25. a fourth chute; 26. a clamping block; 27. a third spring; 28. a slide bar; 29. a slide plate; 30. a slider; 31. a card slot; 32. pressing a plate; 33. a second spring; 34. a third jaw; 35. a guide hole; 36. a guide bar; 37. the block is cancelled.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 7, an electroencephalogram detection device convenient for branching comprises a lower box body 1, a first abdicating groove 2 is formed on the top surface of the lower box body 1, a rotating shaft 3 is rotatably connected to the inner wall of the first abdicating groove 2, an upper box body 4 is fixed on the surface of the rotating shaft 3, the upper box body 4 and one side of the lower box body 1, which is far away from the rotating shaft 3, are clamped and fixed, a first through hole 7 is formed on the other side of the upper box body 4 and the lower box body 1, a first gear 8 is arranged inside the first through hole 7, the first gear 8 is fixed on the surface of the rotating shaft 3, a second gear 9 is meshed on one side of the first gear 8, the second gear 9 is rotatably connected on the inner wall of the first through hole 7, a rack 10 is meshed on one side of the second gear 9, the rack 10 is in sliding contact with the bottom surface of the first through hole 7, a clamping mechanism matched with the rack 10 is arranged inside the first through hole 7, when the upper box body 4 is closed with the lower box body 1, the clamping mechanism is used for clamping a circuit, a second through hole 15 is formed in the back faces of the upper box body 4 and the lower box body 1 together, a pre-clamping mechanism for pre-clamping the circuit is arranged in the second through hole 15, a first sliding chute 16 is formed in the surfaces of the upper box body 4 and the lower box body 1 together, a sliding box 17 is in sliding contact with the inside of the first sliding chute 16, a third through hole 18 is formed in the surface of the sliding box 17, the third through hole 18 is larger than the inner diameter of the second through hole 15 and is coaxial with the second through hole, and a positioning mechanism for positioning the circuit is arranged in the sliding box 17; when the device is used for branching, the sliding box 17 is taken out, the upper box body 4 is overturned, the rotating shaft 3 is driven to rotate, the rotating shaft 3 drives the first gear 8 to rotate, the first gear 8 drives the second gear 9 to rotate, the second gear 9 drives the rack 10 to move, the rack 10 moves to drive the clamping mechanism, the circuit is placed in the pre-clamping mechanism to pre-clamp the circuit, and the circuit is prevented from being separated from the second through hole 15 when the second through hole 15 is closed, and then the circuit passes through the third through hole 18 on the sliding box 17, then, the upper box body 4 is rotated, the circuit is clamped through the first clamping jaw 14, the circuit is clamped in the second through hole 15, an operator can freely adjust the position of the sliding box 17 through the positioning mechanism according to needs, the contact area between the wire separating clamp and the circuit is enlarged, the position of the wire separating clamp at the electrode end can be adjusted according to the needs of the operator, the phenomenon of winding of the circuit is reduced, and time is saved.

The pre-clamping mechanism comprises a second abdicating groove 19, the second abdicating groove 19 is formed in the inner wall of the second through hole 15, second sliding grooves 20 are symmetrically formed in two sides of the inner wall of the second abdicating groove 19, first springs 21 are fixed on the bottom surfaces of the two second sliding grooves 20, and second clamping jaws 22 are fixed on the end portions of the two first springs 21; during operation, when rotating the upper box body 4, open second through-hole 15, put into second through-hole 15 with the circuit inside, through setting up fixture in advance, can press from both sides the circuit in advance, prevent that the circuit breaks away from inside second through-hole 15 when closed second through-hole 15, be favorable to saving time.

The positioning mechanism comprises a plurality of grooves 23, a third sliding groove 24 and a fourth sliding groove 25, the plurality of grooves 23 are linearly arranged on the surface of the sliding box 17, a clamping block 26 is connected inside the plurality of grooves 23 in a sliding manner, a third spring 27 is jointly fixed between the clamping block 26 and the bottom surface of the groove 23, the fourth sliding groove 25 is arranged on the surface of the sliding box 17, a sliding rod 28 is connected inside the fourth sliding groove 25 in a sliding manner, the third sliding groove 24 is arranged on the inner wall of the third through hole 18 and communicated with the inside of the fourth sliding groove 25, a sliding plate 29 is connected inside the third sliding groove 24 in a sliding manner, the sliding plate 29 is fixed with the sliding rod 28, a sliding block 30 is fixed on the top surface of the sliding rod 28, a clamping groove 31 is arranged on one side of the sliding block 30, which is in contact with the surface of the sliding box 17, the clamping block 26 is inserted into the clamping groove 31, a canceling mechanism for canceling the positioning state of the clamping block 26 is arranged on the surface of the sliding block 30, and a pressing plate 32 is fixed on the bottom surface of the sliding block 30, a second spring 33 is jointly fixed between the top surface of the sliding plate 29 and the bottom surface of the third sliding chute 24, a third clamping jaw 34 is fixed on the bottom surface of the sliding plate 29, and the circle centers of the third clamping jaw 34 and the third through hole 18 are coaxial; when the wire distribution box works, when an operator needs to adjust the position of the sliding box 17, the canceling mechanism can be pressed, the sliding block 30 is slid at the same time, the sliding block 30 drives the sliding rod 28 to move, the sliding rod 28 pulls the sliding plate 29 to move in the third sliding groove 24, the third clamping jaw 34 extrudes a wire, when the third clamping jaw 34 is completely clamped with the wire, the canceling mechanism is loosened, the clamping block 26 is pushed to slide along the inner wall direction of the groove 23 under the thrust of the second spring 33, the clamping block 26 is inserted into the clamping groove 31 to position the clamping block 26, the position of the sliding box 17 can be freely adjusted according to the requirement of the operator through the positioning mechanism, better wire distribution is facilitated, the positioning state of the clamping block 26 can be cancelled through the canceling mechanism, and the sliding box 17 can be conveniently moved repeatedly.

The canceling mechanism comprises a guide hole 35, the guide hole 35 is formed in the surface of the sliding block 30 and communicated with the clamping groove 31, a guide rod 36 is inserted into the guide hole 35, a canceling block 37 is fixed on the surface of the guide rod 36, a fourth spring 5 is jointly fixed between the canceling block 37 and the sliding block 30, and the fourth spring 5 is sleeved on the surface of the guide rod 36; during operation, when the position of sliding box 17 needs to be adjusted again, cancel block 37 is pressed, guide rod 36 is driven to move, the end face of guide rod 36 is made to abut against the surface of fixture block 26, third spring 27 is compressed, fixture block 26 enters groove 23, the positioning state of fixture block 26 is contacted, then the position of sliding box 17 is adjusted as required, cancel block 37 is loosened after adjustment, guide rod 36 is reset under the elastic acting force of fourth spring 5, fixture block 26 enters the interior of fixture groove 31, fixture block 26 is repositioned, the positioning state of fixture block 26 can be adjusted repeatedly by arranging a cancel mechanism, and sliding box 17 can be conveniently moved repeatedly.

Cushions 6 are fixed on the surfaces of the first clamping jaw 14, the second clamping jaw 22 and the third clamping jaw 34; during operation, through setting up blotter 6, prevent to carry out the scraping to the circuit surface, be favorable to the protection to the circuit.

The clamping mechanism comprises a third gear 11, the lower part of the third gear 11 is meshed with the upper part of the rack 10, a fourth gear 12 is meshed with the upper part of the third gear 11, a fifth gear 13 is meshed with the side surface of the fourth gear 12, the specifications of the fourth gear 12 and the fifth gear 13 are consistent, and a first clamping jaw 14 is symmetrically fixed on the surface of the fourth gear 12 and the fifth gear 13, the third gear 11, the fourth gear 12 and the fifth gear 13 are all rotatably connected to the inner wall of the first through hole 7, and the center of the first clamping jaw 14 is coaxial with the circle center of the second through hole 15; during operation, the rack 10 moves to drive the third gear 11 to rotate, the third gear 11 drives the fourth gear 12 and the fifth gear 13 to rotate, the first clamping jaw 14 is opened, a circuit is placed in the first clamping jaw 14, when the rack 10 moves reversely, the first clamping jaw 14 is closed, the circuit is clamped in the second through hole 15, and branching of the end portion of the circuit is achieved.

The utility model discloses the theory of operation:

when the device is used for branching, the sliding box 17 is taken out, the upper box body 4 is turned over to drive the rotating shaft 3 to rotate, the rotating shaft 3 drives the first gear 8 to rotate, the first gear 8 drives the second gear 9 to rotate, the second gear 9 drives the rack 10 to move, the rack 10 moves to drive the clamping mechanism, a circuit is placed in the pre-clamping mechanism to pre-clamp the circuit, the circuit is prevented from being separated from the inside of the second through hole 15 when the second through hole 15 is closed, the circuit passes through the inside of the third through hole 18 on the sliding box 17, then the upper box body 4 is rotated, the circuit is clamped by the first clamping jaw 14 to be clamped in the inside of the second through hole 15, an operator can freely adjust the position of the sliding box 17 according to needs through the positioning mechanism, the device enlarges the contact area between the branching clamp and the circuit, the position of the branching clamp at an electrode end can be adjusted according to the needs of the operator, and the phenomenon that the circuit is wound is reduced, and time is saved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims (6)

1. The utility model provides an electroencephalogram detection device convenient to separated time, includes box (1) down, its characterized in that: the top surface of the lower box body (1) is provided with a first abdicating groove (2), the inner wall of the first abdicating groove (2) is rotatably connected with a rotating shaft (3), the surface of the rotating shaft (3) is fixed with an upper box body (4), the upper box body (4) is fixedly connected with one side of the lower box body (1) far away from the rotating shaft (3) in a clamping way, the other side of the upper box body (4) and the lower box body (1) is provided with a first through hole (7), a first gear (8) is arranged in the first through hole (7), the first gear (8) is fixed on the surface of the rotating shaft (3), one side of the first gear (8) is meshed with a second gear (9), the second gear (9) is rotatably connected on the inner wall of the first through hole (7), one side of the second gear (9) is meshed with a rack (10), and the rack (10) is in sliding contact with the bottom surface of the first through hole (7), the utility model discloses a circuit breaker, including first through-hole (7), first through-hole (7) inside be provided with rack (10) matched with fixture, when last box (4) and lower box (1) were closed mutually, fixture is used for carrying out the centre gripping to the circuit, second through-hole (15) have been seted up jointly to the back of going up box (4) and lower box (1), the inside of second through-hole (15) is provided with the fixture in advance who presss from both sides the circuit in advance, first spout (16) have been seted up jointly to the surface of going up box (4) and lower box (1), the inside sliding contact of first spout (16) has slide box (17), third through-hole (18) have been seted up on the surface of slide box (17), third through-hole (18) are greater than second through-hole (15) internal diameter and coaxial rather than, the inside of slide box (17) is provided with the positioning mechanism who is used for fixing a position the circuit.

2. The electroencephalogram detection apparatus for facilitating branching of lines according to claim 1, wherein: the clamping mechanism comprises a second yielding groove (19), the second yielding groove (19) is formed in the inner wall of the second through hole (15), a second sliding groove (20) is symmetrically formed in the two sides of the inner wall of the second yielding groove (19), a first spring (21) is fixed to the bottom surface of the second sliding groove (20), and a second clamping jaw (22) is fixed to the end portion of the first spring (21).

3. The electroencephalogram detection apparatus for facilitating branching of lines according to claim 1, wherein: the positioning mechanism comprises a plurality of grooves (23), a third sliding groove (24) and a fourth sliding groove (25), the grooves (23) are linearly formed in the surface of the sliding box (17), a clamping block (26) is connected to the inner portion of each groove (23) in a sliding mode, a third spring (27) is fixed between the clamping block (26) and the bottom surface of each groove (23) jointly, the fourth sliding groove (25) is formed in the surface of the sliding box (17), a sliding rod (28) is connected to the inner portion of each fourth sliding groove (25) in a sliding mode, the third sliding groove (24) is formed in the inner wall of the third through hole (18) and communicated with the inner portion of each fourth sliding groove (25), a sliding plate (29) is connected to the inner portion of each third sliding groove (24) in a sliding mode, the sliding plate (29) is fixed to the sliding rod (28), a sliding block (30) is fixed to the top surface of each sliding rod (28), and a clamping groove (31) is formed in one side, in which the sliding block (30) is in contact with the surface of the sliding box (17), the clamping block (26) is inserted in the clamping groove (31), a canceling mechanism for canceling the positioning state of the clamping block (26) is arranged on the surface of the sliding block (30), a pressing plate (32) is fixed on the bottom surface of the sliding block (30), a second spring (33) is jointly fixed between the top surface of the sliding plate (29) and the bottom surface of the third sliding groove (24), a third clamping jaw (34) is fixed on the bottom surface of the sliding plate (29), and the circle centers of the third clamping jaw (34) and the third through hole (18) are coaxial.

4. The electroencephalogram detection apparatus facilitating branching of lines according to claim 3, wherein: canceling mechanism includes guiding hole (35), guiding hole (35) are seted up on the surface of slider (30) and are linked together with draw-in groove (31), guiding rod (36) are inserted to the inside of guiding hole (35), the fixed surface of guiding rod (36) has cancellation piece (37), be fixed with fourth spring (5) jointly between cancellation piece (37) and slider (30), fourth spring (5) cover is established on the surface of guiding rod (36).

5. The electroencephalogram detection apparatus facilitating branching of lines according to claim 3, wherein: fixture includes third gear (11), the below of third gear (11) meshes with the top of rack (10) mutually, the top meshing of third gear (11) has fourth gear (12), fourth gear (12) side meshing has fifth gear (13), fourth gear (12) and fifth gear (13) specification are unanimous and the surface symmetry is fixed with first clamping jaw (14), third gear (11), fourth gear (12) and fifth gear (13) are all rotated and are connected on the inner wall of first through-hole (7), the centre of center department of first clamping jaw (14) is coaxial with the centre of a circle of second through-hole (15).

6. The electroencephalogram detection apparatus for facilitating branching of lines according to claim 5, wherein: and buffer pads (6) are fixed on the surfaces of the first clamping jaw (14), the second clamping jaw (22) and the third clamping jaw (34).

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