CN216243269U

CN216243269U - Eye movement instrument capable of being used for monitoring attention of students

Info

Publication number: CN216243269U
Application number: CN202122872571.2U
Authority: CN
Inventors: 余小鹏; 明均仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-08
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an eye tracker capable of monitoring attention of students, wherein a cavity is arranged in an installation base, a support plate is arranged in the cavity through a damping shock absorber, a support column is rotatably arranged on the support plate, a one-way locking sleeve is further sleeved on the outer side wall of the support column, the top end of the support column extends out of the cavity through a through hole, a rotating base is fixedly arranged at the top end of the support column, a rotating support rod is arranged in the rotating base, an eye tracker body is fixedly arranged on the rotating support rod, one end of the rotating support rod is connected with a rotating handle, one side of the rotating handle is provided with an inserting rod, the inserting rod is connected with an inserting cylinder, the inserting rod is provided with a limiting tooth, the inserting cylinder is provided with a limiting groove, the bottom end of the inserting cylinder is provided with a sliding seat, the sliding seat can be horizontally slidably arranged on an extension plate through a sliding groove slider, and the extension plate is fixedly arranged on one side of the rotating base; in summary, the utility model has the advantages of convenient adjustment, flexible and convenient use, stability and reliability.

Description

Eye movement instrument capable of being used for monitoring attention of students

Technical Field

The utility model relates to an eye movement instrument, in particular to an eye movement instrument capable of being used for monitoring attention of students.

Background

The eye tracker is a device for tracking and recording eyeball tracks through machine vision and camera technology, is an important instrument for researches of psychology, advertisement, industrial engineering and the like, and is widely applied to eye movement control.

When the existing eye tracker is used specifically, the following problems mainly exist: firstly, the base structure is single, and the pitching angle and direction of the eye tracker are not convenient to adjust; secondly, after the adjustment is finished, the adjusted angle and direction cannot be well maintained, and the deviation is easy to occur after the adjustment is carried out for a long time, so that the adjustment needs to be carried out again; finally, when the eye tracker encounters a special condition, such as external force, the eye tracker is prone to shaking, and the capture effect of the eye tracker on the eye track is affected.

Therefore, in order to solve the above problems, it is necessary to develop an eye tracker for monitoring the attention of students.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides the eye tracker which can be used for monitoring the attention of students, is convenient to adjust, flexible and convenient to use, stable and reliable to use and higher in efficiency.

The purpose of the utility model is realized as follows: an eye tracker for monitoring the attention of students comprises an installation base, a cavity, a damping shock absorber, a support plate, a rotating bearing, a support column, a one-way locking sleeve, a through hole, a rotating base, a rotating support rod, an eye tracker body, a rotating handle, an insertion rod, an insertion cylinder, a limit tooth, a limit groove, a sliding seat and an extension plate, wherein the cavity is arranged in the installation base, the support plate is arranged in the cavity through the damping shock absorber, the support column is rotatably arranged on the support plate through the rotating bearing, the outer side wall of the support column is also sleeved with the one-way locking sleeve, the one-way locking sleeve is arranged on the support plate, the inner side wall of the one-way locking sleeve and the outer side wall of the support column are respectively provided with a pawl and a ratchet which are matched, the top end of the cavity is provided with the through hole, the top end of the support column extends out of the cavity through the through hole, and the top end of the support column is fixedly provided with the rotating base, the utility model discloses a portable electronic device, including base, rotation base, rotatable bearing, rotation base inside wall, the fixed eye movement appearance body that is provided with on the rotation support pole, rotation support pole one end passes through rotatable coupling rotation base inside wall, the rotation support pole other end runs through the rotation base lateral wall through rotatable bearing and is connected with the rotation handle, the rotation handle is kept away from one side of rotating the base and is provided with the inserted link, the inserted link is connected with a grafting section of thick bamboo, be provided with a plurality of spacing teeth that set up along the inserted link axial on the inserted link lateral wall, be provided with a plurality of spacing grooves with spacing tooth looks adaptation on the grafting section of thick bamboo inside wall, grafting section of thick bamboo bottom is provided with the sliding seat, but the sliding seat passes through spout slider horizontal slip setting on the extension board, the extension board is fixed to be set up in rotation base one side.

The section of the rotating base is of a roughly concave structure.

And a damping spring is also arranged between the supporting plate and the mounting base.

The two sides of the supporting plate are connected with the side wall of the cavity in a sliding mode up and down through sliding grooves and sliding blocks.

And the rotating handle is provided with an anti-slip pad.

And the mounting base is provided with a mounting hole.

The utility model has the beneficial effects that: according to the utility model, the supporting column capable of horizontally rotating is arranged at the bottom of the rotating base, the rotating base and the eye tracker body arranged on the rotating base are driven to horizontally rotate through the rotation of the supporting column, the orientation of the eye tracker body can be flexibly adjusted, the rotating base is internally provided with the rotatable rotating supporting rod, the rotating supporting rod is driven to rotate through the rotating handle, the pitching angle of the eye tracker body arranged on the rotating supporting rod can be flexibly adjusted, and the use is more convenient and faster; the insertion rod and the insertion cylinder are arranged on one side of the rotating handle, and the matched limiting teeth and limiting grooves are arranged on the insertion rod and the insertion cylinder, so that the rotating handle and the rotating supporting rod can be locked, the rotating handle and the rotating supporting rod are prevented from rotating automatically after adjustment is finished, the insertion cylinder is driven by the sliding seat to horizontally slide back and forth, the connection and the separation of the insertion cylinder and the insertion rod are realized, and the locking and releasing functions are further realized; meanwhile, the support column is also provided with a one-way locking sleeve, and the one-way rotation of the support column can be realized through the matched pawl and ratchet arranged on the outer side wall of the support column and the inner side wall of the one-way locking sleeve, so that the support column is prevented from rotating, and the use is more stable and reliable; the cavity is arranged in the mounting base, the supporting plate is arranged in the cavity, the supporting column, the rotating base and the eye tracker body are arranged on the supporting plate, the supporting plate is connected with the bottom surface of the cavity through the damping shock absorber and the damping spring, and the damping shock absorber and the damping spring act together, so that when the eye tracker body is subjected to special conditions such as external impact and the like, the eye tracker body is protected and kept stable, the normal work of the eye tracker body is prevented from being influenced, and the eye tracker is more stable and reliable to use; in summary, the utility model has the advantages of convenient adjustment, flexible and convenient use, stability and reliability.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic top view of the connection between the one-way locking sleeve and the support post of the present invention.

FIG. 4 is a schematic cross-sectional view of the connection between the connection rod and the connection barrel of the present invention.

In the figure: 1. the device comprises a mounting base 2, a cavity 3, a damping shock absorber 4, a supporting plate 5, a rotating bearing 6, a supporting column 7, a one-way locking sleeve 8, a through hole 9, a rotating base 10, a rotating supporting rod 11, an eye tracker body 12, a rotating handle 13, an inserting rod 14, an inserting cylinder 15, limiting teeth 16, a limiting groove 17, a sliding seat 18, an extending plate 19, a pawl 20, a ratchet 21, a damping spring 22 and a mounting hole.

Detailed Description

The technical scheme of the utility model is further specifically described below with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the eye tracker for monitoring the attention of students comprises a mounting base 1, a cavity 2, a damping shock absorber 3, a support plate 4, a rotary bearing 5, a support column 6, a one-way locking sleeve 7, a through hole 8, a rotary base 9, a rotary support rod 10, an eye tracker body 11, a rotary handle 12, a plug rod 13, a plug cylinder 14, a limit tooth 15, a limit groove 16, a sliding seat 17 and an extension plate 18.

Wherein, the mounting base 1 is provided with a mounting hole 22 for facilitating mounting, a cavity 2 is arranged in the mounting base 1, a support plate 4 is arranged in the cavity 2 through a damping shock absorber 3, a damping spring 21 is arranged between the support plate 4 and the mounting base 1, it should be noted here that the damping shock absorber 3 and the damping spring 21 both belong to the prior art, and belong to the common knowledge for the technicians in the field, and no other special requirements are made in the present application, only the damping stabilizing function described in the present application can be realized, so that no specific limitation is made here, two sides of the support plate 4 can be connected with the side wall of the cavity 2 up and down through a chute slide block, a support pillar 6 is rotatably arranged on the support plate 4 through a rotating bearing 5, a one-way locking sleeve 7 is further sleeved on the outer side wall of the support pillar 6, the one-way locking sleeve 7 is arranged on the support plate 4, the inner side wall of the one-way locking sleeve 7 and the outer side wall of the supporting column 6 are respectively provided with a pawl 19 and a ratchet 20 which are matched with each other, the top end of the cavity 2 is provided with a through hole 8, the top end of the supporting column 6 extends out of the cavity 2 through the through hole 8, it should be noted here that, in order to ensure the normal rotation adjustment of the supporting column 6, the diameter of the through hole 8 should be slightly larger than the diameter of the supporting column 6, namely, the supporting column 6 and the through hole 8 are in a separated state and are not connected, so the supporting column 6 can normally rotate under the action of the rotating bearing 5 and are not affected, the top end of the supporting column 6 is fixedly provided with a rotating base 9, namely, the rotating base 9 can be driven to rotate together when the supporting column 6 rotates, the cross section of the rotating base 9 is in a roughly concave structure, a rotating support rod 10 is arranged inside the rotating base 9, and an eye tracker body 11 is fixedly arranged on the rotating support rod 10, the eye tracker body 11 in the prior art can be connected with a testing computer, an image display computer and the like in a wired or wireless mode, and can analyze the eye movement data of students and display eye images and the like through the testing computer and the image display computer, preferably, the eye tracker body 11 can be realized by adopting structures such as an infrared light source, a camera and the like, the eye tracker body 11 and a specific circuit connection structure thereof belong to the prior art and belong to the common general knowledge for technicians in the field, so that no specific limitation is made herein, one end of the rotating support rod 10 can be rotatably connected with the inner side wall of the rotating base 9 through the rotating bearing 5, the other end of the rotating support rod 10 penetrates through the side wall of the rotating base 9 through the rotating bearing 5 and is connected with a rotating handle 12, the rotating handle 12 is provided with an anti-skid pad, and one side of the rotating handle 12 far away from the rotating base 9 is provided with a plug-in rod 13, the inserting rod 13 is connected with an inserting cylinder 14, a plurality of limiting teeth 15 are arranged on the outer side wall of the inserting rod 13 along the axial direction of the inserting rod 13, a plurality of limiting grooves 16 matched with the limiting teeth 15 are arranged on the inner side wall of the inserting cylinder 14, a sliding seat 17 is arranged at the bottom end of the inserting cylinder 14, the sliding seat 17 can be horizontally arranged on an extending plate 18 in a sliding mode through a sliding groove sliding block, the extending plate 18 is fixedly arranged on one side of the rotating base 9, the inserting cylinder 14 is driven to move back and forth through the back and forth movement of the sliding seat 17, the inserting connection of the inserting rod 13 and the inserting cylinder 14 is realized, after the inserting rod 13 is connected with the inserting cylinder 14, the limiting teeth 15 arranged on the inserting rod are inserted into the limiting grooves 16, the rotating locking of the rotating handle 12 on a vertical plane is realized, after the adjustment is finished, the self-rotation is prevented, when the pitching angle of the eye tracker body 11 needs to be adjusted again, the sliding seat 17 is moved to drive the insertion cylinder 14 to move, so that the insertion cylinder 14 is separated from the insertion rod 13.

It should be noted that, the unidirectional locking sleeve 7 and the pawl 18 and the ratchet 19 on the supporting column 6 are prior art, that is, when the supporting column 6 rotates, the ratchet 19 arranged on the supporting column 6 can be driven to rotate, the ratchet 19 can rotate in a forward direction, when the ratchet 19 moves in a reverse direction, the pawl 18 is clamped between two adjacent ratchets 19, so that the ratchet 19 cannot rotate in a reverse direction, and a unidirectional locking function is realized.

When the utility model is specifically implemented, when the orientation of the eye tracker body 11 needs to be adjusted, the support column 6 can be driven to horizontally rotate by directly applying force to the rotating base 9, and the one-way locking sleeve 7 can automatically lock the rotated position of the support column 6 to prevent the rotation of the support column 6, so that the rotation adjustment of the orientation of the eye tracker body 11 arranged on the rotating base 9 is realized; when the pitch angle of the eye tracker body 11 needs to be adjusted, the sliding seat 17 can be moved horizontally, the sliding seat 17 drives the insertion cylinder 14 to move horizontally until the insertion cylinder 14 is separated from the insertion rod 13, the locking of the insertion rod 13 and the rotating handle 12 is released, then the rotating support rod 10 can be driven to rotate by the rotating handle 12, the eye tracker body 11 arranged on the rotating support rod 10 is driven to rotate, after the adjustment is finished, the insertion cylinder 14 is driven to move horizontally by the sliding seat 17, the insertion cylinder 14 is connected with the insertion rod 13, the limiting teeth 15 are inserted into the limiting grooves 16, the rotating handle 12 is locked, the self-rotation of the eye tracker is prevented, and the use is more stable and reliable; it should be noted that when the supporting column 6 rotates, it can drive the rotating base 9 arranged on its top end and the rotating supporting rod 10, the eye tracker body 11, the rotating handle 12, the inserting rod 13, the inserting cylinder 14, the limiting tooth 15, the limiting groove 16, the sliding seat 17 and the extending plate 18 arranged on the rotating base 9 to rotate together, the orientation function of the eye tracker body 11 and the function of adjusting the pitch angle of the eye tracker body 11 by rotating the handle 12 do not interfere with each other, and the use is convenient and fast; simultaneously can carry out the shock attenuation to eye tracker body 11 through damping bumper shock absorber 3 and damping spring 21 between backup pad 4 and the cavity 2 bottom surface, guarantee the stability that eye tracker body 11 used, improve the monitoring effect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An eye tracker for monitoring student attention, comprising: comprises a mounting base (1), a cavity (2), a damping shock absorber (3), a supporting plate (4), a rotating bearing (5), a supporting column (6), a one-way locking sleeve (7), a through hole (8), a rotating base (9), a rotating supporting rod (10), an eye tracker body (11), a rotating handle (12), an inserting rod (13), an inserting cylinder (14), a limiting tooth (15), a limiting groove (16), a sliding seat (17) and an extending plate (18), wherein the mounting base (1) is internally provided with the cavity (2), the supporting plate (4) is arranged in the cavity (2) through the damping shock absorber (3), the supporting column (6) is rotatably arranged on the supporting plate (4) through the rotating bearing (5), the one-way locking sleeve (7) is further sleeved on the outer side wall of the supporting column (6), and the one-way locking sleeve (7) is arranged on the supporting plate (4), the one-way locking sleeve is characterized in that a pawl (19) and a ratchet (20) which are matched with each other are respectively arranged on the inner side wall of the one-way locking sleeve (7) and the outer side wall of the supporting column (6), a through hole (8) is formed in the top end of the cavity (2), the top end of the supporting column (6) extends out of the cavity (2) through the through hole (8), a rotating base (9) is fixedly arranged at the top end of the supporting column (6), a rotating supporting rod (10) is arranged inside the rotating base (9), an eye tracker body (11) is fixedly arranged on the rotating supporting rod (10), one end of the rotating supporting rod (10) is rotatably connected with the inner side wall of the rotating base (9) through a rotating bearing (5), the other end of the rotating supporting rod (10) penetrates through the side wall of the rotating base (9) through the rotating bearing (5) and is connected with a rotating handle (12), and one side, far away from the rotating base (9), of the rotating handle (12), is provided with an inserting rod (13), the plug rod (13) is connected with a plug cylinder (14), a plurality of limiting teeth (15) axially arranged along the plug rod (13) are arranged on the outer side wall of the plug rod (13), a plurality of limiting grooves (16) matched with the limiting teeth (15) are arranged on the inner side wall of the plug cylinder (14), a sliding seat (17) is arranged at the bottom end of the plug cylinder (14), the sliding seat (17) can be horizontally arranged on an extension plate (18) through a sliding groove sliding block, and the extension plate (18) is fixedly arranged on one side of a rotating base (9).

2. An eye tracker for monitoring the attention of a student according to claim 1, wherein: the section of the rotating base (9) is of a roughly concave structure.

3. An eye tracker for monitoring the attention of a student according to claim 1, wherein: and a damping spring (21) is also arranged between the supporting plate (4) and the mounting base (1).

4. An eye tracker for monitoring the attention of a student according to claim 1, wherein: the two sides of the supporting plate (4) can be connected with the side wall of the cavity (2) in a vertical sliding mode through sliding groove sliding blocks.

5. An eye tracker for monitoring the attention of a student according to claim 1, wherein: and the rotating handle (12) is provided with a non-slip mat.

6. An eye tracker for monitoring the attention of a student according to claim 1, wherein: the mounting base (1) is provided with a mounting hole (22).