CN212489012U - Movable learning desk - Google Patents

Abstract

The utility model provides a movable learning desk, which relates to the technical field of learning tools and comprises a movable desktop, a clamping structure and a desk lamp; wherein the movable table top is connected with the clamping structure; the desk lamp comprises a lamp holder and a bracket connected with the lamp holder; the bracket is connected with the clamping structure. The utility model provides a movable learning table, which expands the function of the movable learning table by arranging the table lamp, avoids the table lamp being separately arranged when the movable learning table is used, and is convenient to use; meanwhile, the desk lamp is connected with the clamping structure through the support, so that the stability of the structure of the desk lamp is improved while the space is saved and the using area of the movable learning desk is saved, and the desk lamp is prevented from sliding off in the using process.

Description

Movable learning desk

Technical Field

The utility model relates to a learning tools technical field particularly, relates to a movable study table.

Background

The study table is a novel and scientific study auxiliary tool, and compared with the traditional desk, the desk top of the study table is more in accordance with the characteristics of human engineering and human mechanics, and is more beneficial to a user to keep a correct and comfortable reading and writing posture.

The desktop of the common desk is mostly a strip-shaped plate, and the desktop of the common desk does not have the characteristics that the desk conforms to human engineering and human mechanics, so that the desk is not beneficial to a user to keep correct and comfortable reading and writing postures.

For some families who purchase ordinary desks, study desks are purchased separately, on one hand, the indoor use area is further reduced when the study desks are placed separately, and on the other hand, the original desks are idle after the study desks are purchased, so that waste is caused; for this reason, movable learning tables adapted to be mounted on a general desk have appeared on the market, and such movable learning tables generally include a stand and a learning table top attached to the stand, and the general desk is changed into a learning table adapted to be used by children by attaching the stand to the table top of the general desk.

At present, the movable study desk is suitable for being installed on a common desk, the structure of the desk top of the desk can be improved usually, and the function is single; when students use the movable learning table, the students need to be provided with corresponding table lamps; after placing the desk lamp, not only can lead to the usable floor area on the activity study table to reduce, still easy in the in-process of adjusting the activity study table touch the desk lamp and cause the damage to lead to the use inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem that the desk lamp is needed to be equipped independently in the using process of the current movable learning desk, thus causing inconvenient use.

In order to solve the problems, the utility model provides a movable learning desk, which comprises a movable desktop, a clamping structure and a desk lamp; wherein the content of the first and second substances,

the movable table top is connected with the clamping structure;

the desk lamp comprises a lamp holder and a bracket connected with the lamp holder;

the bracket is connected with the clamping structure.

Optionally, the movable desktop comprises a desktop body and an arm support; the two arm supports are connected to two sides of the desktop body in a downward inclination manner; the using sides of the two arm supports and the using side of the desktop body jointly form an arc-shaped structure, and the using side of the desktop body is far away from a user to form a concave structure.

Optionally, the clamping structure comprises a length adjusting structure, an angle adjusting structure and a desktop sliding lock, wherein the length adjusting structure is distributed along the horizontal direction and is used for being connected with a desktop of a common desk; the front end of the length adjusting structure is connected with the front end of the angle adjusting structure; the desktop sliding lock is connected with the movable desktop, the desktop sliding lock is arranged on the angle adjusting structure, and the desktop sliding lock is connected with the angle adjusting structure in a sliding mode.

Optionally, the length adjustment structure includes a telescopic connection member, and a first clamping member and a second clamping member respectively connected to two ends of the telescopic connection member.

Optionally, the support includes a base, a vertical support frame rotatably connected to the base, and a first horizontal support frame rotatably connected to the vertical support frame; the first horizontal support frame is rotatably connected with the lamp holder; the base is connected with the telescopic connecting piece.

Optionally, the base includes a base body, and two connecting seats fixedly connected to the base body; the top of connecting seat is connected with the engaging lug that distributes along vertical direction, the engaging lug through the round pin axle with vertical support frame rotates and is connected.

Optionally, the base body comprises a connecting part and two connecting holes respectively arranged at two ends of the connecting part, and the connecting part is fixedly connected with the connecting seat; the base is connected with the telescopic connecting piece through the connecting hole.

Optionally, a reading tracking device is provided in the lighthead.

Optionally, the reading tracking device comprises a light emitting structure, a connecting structure and a stepping motor; wherein the connecting structure is fixedly connected with the light-emitting structure; the connecting structure is connected with an output shaft of the stepping motor and is driven by the stepping motor to rotate.

Optionally, the connecting structure comprises a circular arc-shaped toothed ring;

a first tooth-shaped structure is arranged on the inner wall of the gear ring;

a gear shaft is fixedly connected to the output shaft, and a second toothed structure is arranged on the outer side of the gear shaft;

the second tooth-like structure is adapted to cooperate with the first tooth-like structure to mesh the gear shaft with the gear ring.

Optionally, the device further comprises a first limiting structure arranged adjacent to the connecting structure, and the first limiting structure is used for limiting the rotation angle range of the connecting structure.

Optionally, the first limiting structure includes a first photoelectric sensing switch and a second photoelectric sensing switch, the connecting structure includes a first light barrier and a second light barrier, and the first light barrier and the second light barrier are respectively disposed at two ends of the toothed ring; the first light barrier is matched with the first photoelectric induction switch; the second light blocking plate is matched with the second photoelectric induction switch.

Optionally, the multifunctional bookshelf further comprises a reading bookshelf, and the reading bookshelf is rotatably connected with the support.

Compared with the prior art, the utility model provides an activity learning table has following advantage:

the utility model provides a movable learning table, which expands the function of the movable learning table by arranging the table lamp, avoids the table lamp being separately arranged when the movable learning table is used, and is convenient to use; meanwhile, the desk lamp is connected with the clamping structure through the support, so that the stability of the structure of the desk lamp is improved while the space is saved and the using area of the movable learning desk is saved, and the desk lamp is prevented from sliding off in the using process.

Drawings

FIG. 1 is a schematic view of a movable learning table according to the present invention;

FIG. 2 is a schematic view of the internal structure of the movable tabletop of the present invention;

FIG. 3 is a schematic view of a movable learning table according to the present invention;

fig. 4 is a partial exploded view of the clamping structure of the present invention;

fig. 5 is a cross-sectional view of a first support rod according to the present invention;

fig. 6 is an exploded view of the base of the present invention;

fig. 7 is a schematic view of the lamp cap according to the present invention;

fig. 8 is a schematic view of the internal structure of the main lamp according to the present invention;

fig. 9 is a schematic view of the light-emitting structure of the reading tracking device of the present invention at the upper limit position;

fig. 10 is a schematic view of the light-emitting structure of the reading tracking device according to the present invention at the lower limit position;

fig. 11 is a schematic view of the internal structure of the main lamp according to the present invention;

fig. 12 is a schematic view of the reading bookshelf according to the present invention;

fig. 13 is a schematic view of the internal structure of the reading bookshelf of the present invention;

fig. 14 is a schematic structural diagram of a book pressing device according to the present invention;

fig. 15 is a schematic structural diagram of a book pressing device according to the present invention;

fig. 16 is an exploded view of the auxiliary lamp connecting portion and the rotary portion according to the present invention;

fig. 17 is an exploded view of the reading tracking device of the present invention.

Description of reference numerals:

1-a movable desktop; 11-a desktop body; 111-lower table top body; 1111-bump; 12-arm support; 121-steel plate; 1211-a support portion; 1212-a connection end; 1213-through holes; 122-a coating layer; 2-a clamping structure; 21-a length adjustment structure; 211-telescoping connection; 2111-female bar; 2112-daughter stem; 2113-fifth support bar; 2114-second switch button; 212-a first clamp; 213-a second clamp; 22-an angle adjustment structure; 221-a fixed support; 222-a rotating support; 2221-first support bar; 2222-a second support bar; 2223-first groove; 2224-second groove; 223-diagonal stay; 224-a first adjustment lock; 23-a desktop slide lock; 3-a lamp holder; 31-a reading tracking device; 311-a light emitting structure; 312-a connecting structure; 3121-toothed ring; 3122-a first light barrier; 3123-a second light-blocking plate; 3124-a pin; 313-a stepper motor; 3131 — an output shaft; 3132-a gear shaft; 3133-a motor mount; 314-a first limit structure; 3141-a first photoelectric sensing switch; 3142-a second photo-electric switch; 3143-a circuit board; 32-a first dovetail connection; 33-a main lamp; 331-a first rotating shaft; 332-a main lamp housing; 3321-third mounting hole; 3322-second nut; 3323-second limiting structure; 3324-limit projection; 3325-limit groove; 3326-second clamping part; 333-main lamp lighting part; 3331-light-transmitting holes; 3332-main light illumination housing; 3333-light diffuser plate; 3334-main light bar; 34-auxiliary light; 341-rotating part; 3411-a second mounting hole; 3412-a first nut; 3413-a first rubber mat; 3414-a first via; 3415-a fourth mounting hole; 3316-second rubber pad; 3317-second via; 3418-a first snap-in part; 342-auxiliary light illumination; 343-a second rotating shaft; 344 — auxiliary light connection; 3441-first mounting hole; 4-a scaffold; 41-a base; 411-a base body; 4111-a connecting portion; 4112-connecting hole; 412-a connecting seat; 4121-engaging lugs; 42-a vertical support; 421-first connecting rod; 4211-first connecting upper rod; 4212-first connecting lower rod; 422-second connecting rod; 4221-a second upper connecting rod; 4222-second connecting lower rod; 423-first cylinder; 424-second connecting plate; 43-a first horizontal support; 431-a third connecting rod; 432-a fourth connecting rod; 433 — a first connection plate; 44-a second horizontal support; 441-a fifth connecting rod; 442-a sixth connecting rod; 45-a second oil cylinder; 46-a third cylinder; 47-a fourth cylinder; 5-reading bookshelf; 51-a book clamping device; 511-a fixed part; 512-a first body portion; 513 — a second body portion; 514-a first adjustment mechanism; 5141-adjusting rod; 5142-a first bevel gear; 5143-a second bevel gear; 5144-third bevel gear; 5145-first threaded rod; 5146-a second threaded rod; 5147-a first slider; 5148-a second slider; 5149-first adjustment knob; 52-a book pressing device; 521-a pressure lever; 5211-a plunger body; 5212-eighth connecting rod; 522-a compression bar adjustment structure; 5221-a housing; 5222-a first runner; 5223-adjusting bolts; 5224-step motor; 5225-front connecting rod; 5226-rear connecting rod; 5227-a trigger plate; 5228 an infrared generating device; 523-a third regulatory structure; 5231-first adjusting lever; 5232-toothed rack; 5233-first gear; 5234-a second gear; 5235-a second adjustment knob; 5236-a guide rail; 5237-a second runner; 53-Plastic plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In order to solve the problem that the existing movable learning table is inconvenient to use because a desk lamp needs to be independently arranged in the using process, the utility model provides a movable learning table, which is shown in figure 1 and comprises a movable table top 1, a clamping structure 2 and a desk lamp; the movable desktop 1 is a desktop structure conforming to the human engineering, the movable desktop 1 is connected with the clamping structure 2, and the movable desktop 1 is connected with the desktop of the common desk through the clamping structure 2, so that the desktop of the common desk is improved into a structure conforming to the human engineering.

For the user uses, the activity study table that this application provided still includes the desk lamp, and this desk lamp is including being used for the lamp holder 3 of illumination to and the support 4 that links to each other with lamp holder 3, support fixedly lamp holder 3 through this support 4, and the preferred support 4 of this application links to each other with clamping structure 2 simultaneously, so that when the extension activity study table function, save space.

The utility model provides a movable learning table, which expands the function of the movable learning table by arranging the table lamp, avoids the table lamp being separately arranged when the movable learning table is used, and is convenient to use; meanwhile, the bracket 4 is connected with the clamping structure 2, so that the stability of the structure of the desk lamp is improved while the space is saved and the use area of the movable learning desk is saved, and the desk lamp is prevented from sliding off in the use process.

The movable desktop 1 comprises a desktop body 11 and an arm support 12; the desktop body 11 is a plate-shaped structure and is positioned in the middle of the desktop; the number of the arm supports 12 is two, the two arm supports 12 are connected to two sides of the desktop body 11 in a downward inclination shape, and the two arm supports 12 are used for supporting two arms of a user; the use sides of the two arm supports 12 and the use side of the desktop body 11 form an arc structure together, and the use side of the desktop body 11 forms a concave structure in a direction away from a user.

This application all sets up the arm that is used for carrying out the support to the arm in desktop body 11's both sides and holds in the palm 12 to further hold in the palm 12 with two arms and set up to decline the form and connect in desktop body 11's both sides, wherein hold in the palm 12 with two arms and set up to decline the form and connect in desktop body 11's both sides specifically to mean, two arms hold in the palm 12 and connect respectively in desktop body 11's both sides, and two arms hold in the palm and highly be less than the height that two arms held in the palm 12 and link to each other one side with desktop body 11 of keeping away from desktop body.

By arranging the two arm supports 12 in a declination shape, when a user puts an arm on the arm support 12, the part of the arm close to the elbow is arranged on one side of the arm support 12 away from the desk body 11, and the part of the arm close to the wrist is arranged on one side of the arm support 12 close to the desk body 11, when the desk is used, because the height of one side of the arm support 12 away from the desk body 11 is lower than the height of one side of the arm support 12 close to the desk body 11, when the arm of the user is supported by the arm support 12, the height of one side of the arm of the user close to the elbow is lower than the height of one side close to the wrist, the elbow is in a slightly drooping state, the state not only accords with human engineering, but also can lead most of gravity on the arm to be concentrated on the elbow, thereby reducing the pressure between the muscle below the arm and the arm support 12, and further relieving the extrusion force on the, the comfort level of the user in the writing process is improved, and the writing effect is improved.

In order to further improve the comfort of the user, according to the human engineering, the use sides of the two arm supports 12 and the use side of the desktop body 11 together form an arc-shaped structure, and the use side of the desktop body 11 is far away from the user to form a concave structure. The using side of the arm support 12 specifically means the side of the arm support 12 close to the user when the table top is in the using state; similarly, the use side of the desktop body 11 specifically means a side of the desktop body 11 close to the user when the desktop is in the use state. When the use side of two arm supports 12 and the use side of desktop body 11 constitute arcuation structure jointly, and when the use side direction of desktop body 11 kept away from user's direction formation sunk structure, user's arm is placed back on arm support 12, constitute eight style of calligraphy structure between two arms, make the posture of this eight style of calligraphy structure accord with ergonomic more, make the arm place on arm support 12 completely, under the supporting role of arm support 12, make the arm be in comparatively relaxed state, thereby can improve the comfort level in the use, effectively alleviate user's fatigue. The desktop body 11 and the arm supports 12 on both sides preferably form a scallop-like shape together.

In order to ensure the comfort of the user during use, the preferred declination angle range of the arm support 12 is 4 degrees to 10 degrees, and the further preferred declination angle of the arm support 12 is 5.5 degrees, so that on one hand, the situation that the arm is easy to slide on the arm support 12 due to the overlarge declination angle of the arm support 12 is avoided, and on the other hand, the situation that the muscle below the arm is extruded due to the fact that the declination angle of the arm support 12 is too small is avoided. The downward inclination angle of the arm support 12 in the present application specifically means an included angle between a connection line between the highest point and the lowest point on the arm support 12 and a horizontal line when the desktop body 11 is in a horizontal state.

The arm rest 12 may be made of the same material as or different from the table top body 11. In order to take into account the mechanical strength and comfort of the arm support 12, referring to fig. 2, in the present application, it is preferable that the arm support 12 includes a steel plate 121 and a covering layer 122, the steel plate 121 further includes a support portion 1211 and a connecting end 1212, wherein the support portion 1211 is used for supporting the arm of the user, and the covering layer 122 covers the outer side of the support portion 1211; the connecting end 1212 is connected to the table top body 11.

The material of the preferred cladding 122 of this application is flexible material to further preferably this flexible material is selected from foaming flexible material, plastics, rubber, silica gel, latex one in, makes user's arm direct and flexible material contact, further alleviates the extrusion of arm support 12 to the muscle below the arm. The steel plate 121 can be a common steel plate, and the specific shape, size and thickness of the steel plate 121 can be determined according to requirements; the steel plate 121 is preferably a spring steel plate in the present application. Through chooseing for use spring steel board, be favorable to increasing the resilience of arm support 12, prevent that arm support 12 from warping to when improving the use comfort of arm support 12, still be favorable to prolonging the life of arm support 12.

In order to connect the arm rest 12 to the desktop body 11, it is preferable that the desktop body 11 includes an upper desktop body and a lower desktop body 111 connected to each other, and the connecting end 1212 is embedded between the upper desktop body and the lower desktop body 111. Wherein the connected mode between upper table top body and the lower table top body 111 can be fastener connection, bonding, buckle connection etc. and this application does not prescribe a limit to the connected mode between upper table top body and the lower table top body 111.

Because arm holds in palm 12 including being located middle steel sheet 121, and cladding 122 outside supporting part 1211 in steel sheet 121, set up desktop body 11 into interconnect's last desktop body and lower desktop body 111, and inlay link 1212 between last desktop body and lower desktop body 111, make link 1212 be located the centre of desktop body 11, help increasing the joint strength between link 1212 and desktop body 11 on the one hand, and then increase the joint strength between arm holds in the palm 12 and the desktop body 11, on the other hand, can also adjust through the thickness to cladding 122, make the upper surface of cladding 122 flush with desktop body 11's upper surface mutually, improve the comfort level that the user used, improve the aesthetic property of desktop.

Further, for the joint strength between increase desktop body 11 and the arm support 12, this application is further provided with lug 1111 on desktop body 111 down, go up the recess that is provided with on the desktop body with this lug 1111 looks adaptation, be provided with on the link 1212 with the through-hole 1213 of this lug 1111 looks adaptation. When the arm support 12 and the desktop body 11 are assembled, the arm support 12 is placed on the lower desktop body 111, so that the projection 1111 on the lower desktop body 111 is placed in the through hole 1213 on the connecting end 1212, the projection 1111 on the lower desktop body 111 is placed in the corresponding groove on the upper desktop body, and the upper desktop body and the lower desktop body 111 are connected, so that the arm support 12 and the desktop body 11 can be connected. Because the protrusion 1111 of the lower desktop body is located in the through hole 1213 of the connecting end 1212, the displacement of the connecting end 1212 can be limited by the protrusion 1111, so as to prevent the arm support 12 from being separated from the desktop body 11, and improve the connection strength between the arm support 12 and the desktop body 11. The lug quantity on the desktop body is one at least down, and for the stability of improving the connection, the quantity of lug 1111 is three on desktop body 111 under this application preferred, and is corresponding, and the quantity of going up the desktop body upper groove is three, and the quantity of through-hole 1213 on the link 1212 also is three.

The clamping structure 2 is used for connecting the movable table top 1 with a table top of a common desk, and as shown in fig. 3 and 4, the clamping structure 2 in the present application comprises a length adjusting structure 21, an angle adjusting structure 22 and a table top sliding lock 23, wherein the length adjusting structure 21 is distributed along a horizontal direction and is used for connecting with the table top of the common desk; the length of the clamping structure 2 can be adjusted through the length adjusting structure 21, so that the clamping structure 2 can be connected with common desks with various sizes and specifications, and the application range of the movable learning desk is expanded; the angle adjusting structure 22 is used for adjusting the inclination angle of the movable table top 1 in the movable learning table, and the front end of the length adjusting structure 21 is connected with the front end of the angle adjusting structure 22; the front end in the application specifically refers to the end of the movable learning table close to a user when the movable learning table is installed on a common desk; desktop sliding lock 23 links to each other with activity desktop 1, and desktop sliding lock 23 sets up on angle modulation structure 22, and desktop sliding lock 23 and angle modulation structure 22 sliding connection slide on angle modulation structure 22 through desktop sliding lock 23, drive activity desktop 1 and slide along angle modulation structure 22 to the realization is to the position adjustment of activity desktop 1 on the front and back side.

Meanwhile, the desktop sliding lock 23 is connected with the movable desktop 1, and the desktop sliding lock 23 is arranged on the angle adjusting structure 22, so that the movable desktop 1 is connected with the angle adjusting structure 22 through the desktop sliding lock 23, and when the angle adjusting structure 22 adjusts the inclination angle, the inclination angle of the movable desktop 1 can be driven to change.

Desktop sliding lock 23 in this application is equivalent to desktop sliding structure, through setting up desktop sliding lock 13 on angle modulation structure 12, realizes desktop sliding structure and angle modulation structure 12's integrated design for this clamping structure 2 can also adjust the position of activity desktop 1 in the front and back orientation when can adjusting the inclination of activity desktop 1, and the distance between activity desktop 1 and the user is adjusted promptly.

When the movable learning table is used, firstly, the length of the clamping structure 2 is adjusted through the length adjusting structure 21 according to the size of the table top of a common table to be connected, so that the length of the clamping structure 2 is matched with the size of the table top of the common table to be connected, and then the clamping support 2 is connected to the table top of the common table through the length adjusting structure 21; according to the use requirement, the movable table top 1 is adjusted to the required angle through the angle adjusting structure 22, and then the position of the movable table top 1 in the front-back direction is further adjusted through the table top sliding lock 23, so that the adjusted movable table top 1 can meet the use requirement of a user; similarly, in the process of adjusting the movable desktop 1, the position of the movable desktop 1 in the front-back direction can be adjusted by the desktop sliding lock 23, and then the inclination angle of the movable desktop 1 is adjusted by the angle adjusting structure 22, or the two adjusting processes are performed alternately until the movable desktop 1 is adjusted to the position meeting the user requirement.

In order to connect the clamping structure 2 to the desktop of the ordinary desk, the length adjustment structure 21 in this application includes a telescopic connection member 211, and a first clamping member 212 and a second clamping member 213 respectively connected to two ends of the telescopic connection member 211, and when connecting to the desktop of the ordinary desk, the first clamping member 212 and the second clamping member 213 are respectively clamped to two ends of the desktop of the ordinary desk.

The length of the telescopic connecting piece 111 can be adjusted, and the distance between the first clamping piece 112 and the second clamping piece 113 can be adjusted by adjusting the length of the telescopic connecting piece 111, so that the movable learning table can be suitable for common desks with different sizes and specifications.

Specifically, the telescopic connecting piece 211 preferably comprises two female rods 2111 arranged in parallel, two male rods 2112 arranged in parallel, a fifth supporting rod 2113 perpendicularly connected with the two male rods 2112, and two second adjusting locks arranged in the female rods 2111, wherein the fifth supporting rod 2113 is connected to one end of each male rod 2112, which is far away from the female rods 2111; one end of the secondary rod 2112 is inserted into the female rod 2111, the secondary rod 2112 can slide in the female rod 2111, and the secondary rod 2112 is connected with the second adjustment lock; in the process of adjusting the length, the second adjusting lock is unlocked, so that the secondary rod 2112 slides in the primary rod 2111, and the length of the telescopic connecting piece 211 is adjusted; after the length of the telescopic link 211 is adjusted to a proper length, the female rod 2111 and the female rod 2112 are locked by the second adjusting lock, so that the relative position of the female rod 2111 and the female rod 2112 is fixed, and the length of the telescopic link 211 is kept unchanged.

The second adjustment lock may be any structure capable of locking and unlocking the female rod 2111 and the male rod 2112, and the specific structure of the second adjustment lock is not limited in the present application.

The first clamping member 212 and the second clamping member 213 may have the same or different structures; the present application preferably has the first clamping member 212 coupled to the female rod 2111 and the second clamping member 213 coupled to the female rod 2112. The first clamping member 212 and the second clamping member 213 may be clamping structures suitable for clamping the tabletop of a common desk, and the specific structures of the first clamping member 212 and the second clamping member 213 are not limited in this application.

The present application may further include a sliding link of a second adjustment lock disposed in the fifth supporting bar 2113, and a second switch button 2114 of the second adjustment lock disposed above the fifth supporting bar 2113, so that the adjustment switch of the second adjustment lock and the second clamping member 213 are integrally designed through the fifth supporting bar 2113.

The angle adjusting structure 22 in the present application includes a fixed support 221, a rotating support 222, a diagonal support 223, and a first adjusting lock 224, wherein the fixed support 221 is distributed along the horizontal direction, and the fixed support 221 is fixedly connected with the telescopic connector 211; the rotating support 222 is disposed above the fixed support 221, and the front end of the rotating support 222 is rotatably connected to the front end of the fixed support 221; the first adjusting lock 224 is disposed in the rotating support 222, the upper end of the diagonal support 223 is rotatably connected to the first adjusting lock 224, and the lower end of the diagonal support 223 is rotatably connected to the fixed support 221. The front end herein refers to the end close to the user; the first adjusting lock 224 is disposed in the rotating support 222, the upper end of the diagonal support 223 is rotatably connected to the first adjusting lock 224, and the diagonal support 223 and the rotating support 222 are locked by the first adjusting lock 224; the lower end of the diagonal support member 223 is rotatably connected to the fixed support member 221. The diagonal support member 223 and the fixed support member 221, and the diagonal support member 223 and the first adjusting lock 224 can be rotatably connected through a pin.

The rotating support 222 includes two first support bars 2221 arranged in parallel, and a second support bar 2222 perpendicularly connected to the two first support bars 2221, wherein one end of the first support bar 2221 is rotatably connected to the fixed support 221, and the other end is fixedly connected to the second support bar 2222; the desktop sliding lock 23 and the first adjusting lock 224 are disposed in the first support bar 2221. By providing the second support bar 2222, the rotational support member 222 is connected to form an integral structure, which is beneficial to improving the structural stability of the rotational support member 222. Through setting up desktop sliding lock 23, first regulation lock 224 in first bracing piece 2221, can be with desktop sliding structure and angle modulation structure 22 integrated design to be favorable to simplifying the structure of this activity study table.

In order to simultaneously arrange the desktop sliding lock 23 and the first adjusting lock 224 in the first support bar 2221, as shown in fig. 5, the first support bar 2221 is provided with a first groove 2223 adapted to the desktop sliding lock 23 and a second groove 2224 adapted to the first adjusting lock 224; the first groove 2223 is disposed inside the second groove 2224, and an opening direction of the first groove 2223 is upward and an opening direction of the second groove 2224 is downward.

The desktop sliding lock 23 is disposed in the first groove 2223 with the upward opening, and the position of the movable desktop 1 is adjusted by adjusting the position of the desktop sliding lock 23 in the first groove 2223.

In addition, through all setting up desktop slip lock 23 and first regulation lock 224 on first bracing piece 2221, when adjusting the position of activity desktop 1, still can at first adjust activity desktop 1 to certain inclination through first regulation lock 224, rethread desktop slip lock 23 adjusts activity desktop 1 position in the front and back direction, can also adjust activity desktop 1 to be closer to user one side than the desktop of the ordinary desk that clamping structure 2 is connected, thereby through the synergistic effect of desktop sliding structure and angle modulation structure 22, further enlarge the control range of activity study table, enlarge its application range, improve use comfort. The upper part of the desktop sliding lock 23 is connected with the movable desktop 1, the connection mode can be welding, buckling and the like, and the desktop sliding lock 23 is preferably connected with the movable desktop 1 through a fastener.

When the angle of the movable table top 1 is adjusted, the first adjusting lock 224 is unlocked, and at this time, the first adjusting lock 224 can slide in the second groove 2224, so that the connection relationship between the inclined support member 223 and the first support bar 2221 is a sliding connection; because the two ends of the inclined supporting member 223 are rotatably connected to the fixed supporting member 221 and the first adjusting lock 224 respectively, and the position of the fixed supporting member 221 is not changed, the connection position between the inclined supporting member 223 and the fixed supporting member 221 is not changed, and along with the sliding of the first adjusting lock 224, the position of the end of the inclined supporting member 223 connected to the first adjusting lock 224 is changed, so that the inclination angle of the inclined supporting member 223 is changed, and meanwhile, the inclination angle of the first supporting rod 2221 is changed, which drives the inclination angle of the movable table top 1 connected to the first supporting rod 2221 to be changed; after the inclination angle of the movable desktop 1 meets the use requirement, the first adjusting lock 224 is locked, so that the first adjusting lock 224 and the first supporting rod 2221 are fixed, the inclination angles of the inclined supporting member 223 and the first supporting rod 2221 are kept unchanged, and the position of the movable desktop 1 is fixed.

The desktop sliding lock 23 and the first adjusting lock 224 may be any structure of adjusting locks, and the present application does not limit the specific structure of the desktop sliding lock 23 and the first adjusting lock 224.

The support 4 is used for connecting the desk lamp with a movable learning table, and the support 4 in the application comprises a base 41, a vertical support frame 42 rotatably connected with the base 41, and a first horizontal support frame 43 rotatably connected with the vertical support frame 42; the first horizontal support frame 43 is rotatably connected with the lamp head 3; the base 41 is connected with the telescopic connecting piece 211; it is further preferred that the base 4 is connected to the female stem 2111.

Specifically, referring to fig. 6, the base 41 in the present application includes a base body 411, and two connecting seats 412 fixedly connected to the base body 411; the top of the connecting base 412 is connected with connecting lugs 4121 distributed along the vertical direction, and the connecting lugs 4121 are rotatably connected with the vertical supporting frame 42 through pin shafts.

Wherein the fixed connection mode of connecting seat 412 and base body 411 can be welding, buckle connection etc. and this application is preferred connecting seat 412 to pass through the fastener with base body 411 and is connected.

The base body 411 includes a connecting portion 4111 and two connecting holes 4112 respectively disposed at two ends of the connecting portion 4111, and the connecting portion 4111 is fixedly connected to the connecting seat 412; the base 41 is connected to the telescopic connection member 211 through a connection hole 4112. The connection between the base 412 and the telescopic connection 211 is also beneficial to make the clamping structure 2 not easy to deform.

The connecting hole 4112 may be a fixed hole structure adapted to the telescopic connecting member 211; when the connecting hole 4112 is a fixed hole structure, the base body 411 and the telescopic connecting rod 211 can be configured as an integral structure, that is, the base body 411 is configured as a part of the structure on the telescopic connecting rod 211, and the desk lamp is fixed by connecting the connecting seat 412 with the base body 411; similarly, when the desk lamp needs to be replaced or maintained, the connection base 412 and the base body 411 may be detached or attached.

The vertical support frame 42 in the present application is used for supporting the lamp head 3 in the vertical direction, and the first horizontal support frame 43 is used for supporting the lamp head 3 in the horizontal direction; through the connected mode with between vertical support frame 42 and the base 41, the connected mode between vertical support frame 42 and the first horizontal support frame 43 and the connected mode between first horizontal support frame 43 and the lamp holder 3 all set up to rotate and be connected, in the use, can come to adjust position, angle, height etc. to lamp holder 3 from a plurality of directions through rotating for this desk lamp can satisfy user's multiple user demand, improves the comfort level of using.

Specifically, the vertical support frame 42 in the present application includes a first connecting rod 421, a second connecting rod 422 sleeved outside the first connecting rod 421, and a first oil cylinder 423; the bottom end of the second connecting rod 422 is rotatably connected with the base 41; a piston rod of the first oil cylinder 423 is fixedly connected with the second connecting rod 422, and the bottom end of the first oil cylinder 423 is rotatably connected with the base 41 and the first connecting rod 421; specifically, in the present application, the number of the connecting lugs 4121 on the connecting seat 412 is two, one of the connecting lugs 4121 is rotatably connected with the second connecting rod 422 through a pin, and the other connecting lug 4121 is rotatably connected with the bottom end of the first oil cylinder 423 and the first connecting rod 421 through a pin; the first horizontal support frame 43 comprises a third connecting rod 431 and a fourth connecting rod 432 which are arranged in parallel, and a first connecting plate 433 which is rotatably connected with the third connecting rod 431 and the fourth connecting rod 432; the third connecting rod 431 and the fourth connecting rod 432 are both rotatably connected with the lamp holder 3; the top ends of the first connecting rod 421 and the second connecting rod 422 are rotatably connected to the first connecting plate 433; the bracket 4 further comprises a second oil cylinder 45, the bottom end of the second oil cylinder 45 is rotatably connected with the second connecting rod 422, and the piston rod of the second oil cylinder 45 is rotatably connected with the third connecting rod 431.

Specifically, this application is provided with first dovetail joint portion 32 on lamp holder 3, and third connecting rod 431, fourth connecting rod 432 all are connected through the round pin axle rotation with this first dovetail joint portion 32.

The number of the first oil cylinders 423 is two, and the two first oil cylinders 423 are respectively arranged on two sides of the second connecting rod 422; for convenience in operation, the damping direction of the second oil cylinder 45 is preferably upward, so that the lamp holder 3 is conveniently supported through the damping of the second oil cylinder 45, and the structural stability of the desk lamp is improved; on the other hand, the difficulty of lifting the lamp holder 3 upwards is reduced, so that the difficulty of adjusting the angle of the lamp holder 3 is reduced.

Also, in order to adjust the support 4, it is preferable that the damping direction of the first cylinder 423 is downward, so that when the vertical support 42 is adjusted forward or backward, the damping force of the first cylinder 423 needs to be overcome, the vertical support 42 adjusted forward or backward can be kept balanced by the first cylinder 423, and the difficulty of adjusting the vertical support 42 to the vertical direction can be reduced, which is convenient for operation.

Wherein the lamp holder 3 is a lighting component of a desk lamp, and as shown in fig. 7, the lamp holder 3 in the present application includes a main lamp 33, and two auxiliary lamps 34 connected to two sides of the main lamp 33; the auxiliary lamp 34 includes a rotation part 341, an auxiliary lamp illumination part 342, and a second rotation shaft 343; wherein the rotating portion 341 is connected to the main lamp 33; a connection part where the rotating part 341 is connected to the main lamp 33, and a surface of the rotating part 341 that contacts the main lamp 33 is referred to as a connection surface; the auxiliary lamp illumination portion 342 is a member for illumination in the auxiliary lamp 34, and is rotatably connected to the rotation portion 341 through the second rotation shaft 343; the second rotating shaft 343 is distributed in the horizontal direction along the direction parallel to the connecting surface; the bracket 4 is rotatably connected with the main lamp 33.

In the present application, it is preferable that the auxiliary lamp 34 has a rectangular structure, and the wide side of the auxiliary lamp 34 is in contact with the main lamp 33; the distribution direction of the second rotating shaft 343 is designed to be the horizontal direction and is parallel to the connecting surface, so that the auxiliary lamp illumination part 342 rotates around the second rotating shaft 343, the included angle between the auxiliary lamp illumination part 342 and the main lamp 33 of the auxiliary lamp 34 can be adjusted, the lamp holder 3 can emit light from multiple directions, the illumination angle of the light of the lamp holder 3 is adjusted, and the shadow of an object is prevented from appearing in the illumination range of the lamp holder 3.

Design the lamp source into a main lamp 33, two assist lamps 34, and the angle of the supplementary lamp illumination portion 342 of two supplementary lamps 34 can be adjusted, when using this desk lamp, the angle of the supplementary lamp illumination portion 342 through adjusting both sides, adjust the light angle of the supplementary lamp illumination portion 342, combine the light angle of main lamp 33, make the ejection of light of lamp holder 3 have a plurality of directions of penetrating, thereby avoid appearing after the object in the irradiation range of lamp holder 3, can produce the shadow of this object on the desktop, improve the illuminating effect of desk lamp.

In order to connect the auxiliary lamp illuminating part 342 to the rotating part 341, as shown in fig. 16, the auxiliary lamp 34 of the present application further includes an auxiliary lamp connecting part 344, one end of the auxiliary lamp connecting part 344 is fixedly connected to the auxiliary lamp illuminating part 342, and the other end of the auxiliary lamp connecting part 344 is rotatably connected to the rotating part 341 through a second rotating shaft 343, and the auxiliary lamp illuminating part 342 is rotated by the auxiliary lamp connecting part 344 around the second rotating shaft 343.

Specifically, both sides of the auxiliary lamp connecting portion 344 are provided with first mounting holes 3441 adapted to the second rotating shaft 343, both sides of the rotating portion 341 are provided with second mounting holes 3411 adapted to the second rotating shaft 343, and the second rotating shaft 343 sequentially passes through the first mounting holes 3441 and the second mounting holes 3411, so that the auxiliary lamp connecting portion 344 is connected to the rotating portion 341.

The second shaft 343 may be an integral structure; in the present invention, it is preferable that the number of the second rotating shafts 343 be two, and the auxiliary lamp connecting portions 344 and the rotating portion 341 be connected to each of the two second rotating shafts 343 from both sides of the auxiliary lamp connecting portions 344.

Further, the rotating portion 341 in the present application further includes a first nut 3412, wherein an internal thread is disposed in the first nut 3412, and an external thread adapted to the internal thread is disposed on the second rotating shaft 343; a nut mounting portion adapted to the first nut 3412 is provided in the second mounting hole 3411, the first nut 3412 is provided in the nut mounting portion, and the first nut 3412 can slide in a certain range along the nut mounting portion; the rotating portion 341 further includes a first rubber pad 3413, the first rubber pad 3413 is provided with a first through hole 3414 adapted to the second rotating shaft 343, and the first rubber pad 3413 is disposed in the second mounting hole 3411.

When the auxiliary lamp connection part 344 is connected to the rotating part 341, the second rotating shaft 343 passes through the first mounting hole 3441 and the first rubber pad 3413 in sequence, and is connected to the first nut 3412 located in the second mounting hole 3411; during the connection, the second rotating shaft 343 is pulled to the outside, so that the first rubber pad 3413 is pressed against the auxiliary lamp connecting part 344, and thus the first rubber pad 3413 serves as a damping member during the rotation of the auxiliary lamp connecting part 344, so that the auxiliary lamp connecting part 344 can be stopped at any position.

To further enhance the illumination effect, referring to fig. 8, the main lamp 33 is preferably rotatably connected to the rotating portion 341 through a first rotating shaft 331; wherein the first rotating shafts 331 are distributed along a direction perpendicular to the connecting surface in the horizontal direction; here, the connection surface is a surface of the rotating portion 341 that contacts the main lamp 33.

The first rotating shafts 331 are distributed along the horizontal direction, and the first rotating shafts 331 are perpendicular to the connecting surface; for the present application, it is preferable that the main lamp 33 and the auxiliary lamp 34 are both rectangular parallelepiped structures, and when the desk lamp is in a use state, the lengths of the main lamp 33 and the auxiliary lamp 34 are distributed along the left and right directions of the user, so in the present application, the first rotating shaft 331 is distributed along the length direction of the main lamp 33, that is, the first rotating shaft 331 is distributed along the left and right directions of the user; rotate main lamp 33 and rotating part 341 through first pivot 331 and be connected for rotating part 341 can rotate on vertical direction, and when rotating part 341 rotated, it rotated on vertical direction to drive supplementary lamp illumination portion 342, thereby further adjusts on vertical direction to the angle of shining of supplementary lamp 34, enlarges the illumination zone of supplementary lamp 34, thereby makes lamp holder 3 can satisfy user's different illumination demands, enlarges application range.

To facilitate the connection of the main lamp 33 and the auxiliary lamp 34, as shown in fig. 16, the main lamp 33 includes a main lamp housing 332, and third mounting holes 3321 are formed on both end caps of the main lamp housing 332; the first rotation shafts 331 are distributed along the length direction of the main lamp 33; the rotating part 341 is provided with a fourth mounting hole 3415, and the first rotating shaft 331 is adapted to cooperate with the third mounting hole 3321 and the fourth mounting hole 3415 to achieve the rotational connection between the main lamp 33 and the rotating part 341, and further achieve the rotational connection between the main lamp 33 and the auxiliary lamp 34 in the vertical direction; in a specific connection process, the first rotating shaft 331 is sequentially inserted through the fourth mounting hole 3415 and the third mounting hole 3321 to rotatably connect the main lamp 33 and the rotating portion 341.

In order to further improve the damping of the rotation between the main lamp 33 and the auxiliary lamp 34, a second rubber pad 3316 is disposed between the first rotating shaft 331 and the third mounting hole 3321, and the second rubber pad 3316 increases the resistance during the rotation, so that the auxiliary lamp 34 can be stopped at any position during the rotation; specifically, the second rubber pad 3316 is provided with a through hole adapted to the first rotation shaft 331, and the first rotation shaft 331 is inserted through the through hole, so as to connect the second rubber pad 3316 and the first rotation shaft 331.

In this application, the first rotating shaft 331 is provided with a second through hole 3317 along the axial position, so that the electric wire can be laid through the second through hole 3317; in order to avoid damaging the electric wire in the rotation process of the auxiliary lamp 34, the present application further limits the rotation angle of the rotation portion 341 by providing the second limit structure.

Specifically, the main lamp housing 332 further includes a second nut 3322 adapted to the first rotating shaft 331, and a second limiting structure 3323; the second nut 3322 and the second limiting structure 3323 are both arranged in the third mounting hole 3321; the first rotating shaft 331 sequentially passes through the fourth mounting hole 3415, the second rubber pad 3316 and the second position-limiting structure 3323 to be connected to the second nut 3322, and the second position-limiting structure 3323 is connected to the rotating portion 341; a limiting protrusion 3324 is arranged on the second limiting structure 3323, and a limiting groove 3325 is arranged in the third mounting hole 3321; the limiting recess 3325 is adapted to cooperate with the limiting projection 3324 to limit the rotation angle of the first rotation shaft 331.

When the rotating part 341 rotates, the second limiting structure 3323 connected to the rotating part is driven to rotate; in the rotating process of the second limiting structure 3323, the rotating range of the limiting protrusion 3324 is limited by the limiting groove 3325 and can only rotate within a certain range; therefore, the rotating portion 341 connected to the second position-limiting structure 3323 can rotate only within a certain angle range, so that the rotating range of the rotating portion 341 is limited, and the electric wire is not damaged due to the unlimited rotation of the rotating portion 341 during the use.

One side that rotating part 341 is close to main lamp 33 in this application is provided with first joint portion 3418, and one side that second limit structure 3323 is close to rotating part 341 is provided with second joint portion 3326, and second joint portion 3326 is suitable for and cooperatees with first joint portion 3418 to realize being connected of second limit structure 3323 and rotating part 341.

The main lamp 33 in the present application includes a main lamp housing 332 having a groove-shaped structure, and a main lamp illuminating part 333 connected below the main lamp housing 332; the main lamp illumination portion 333 and the auxiliary lamp illumination portion 342 may be any illumination structure in the prior art, and the main lamp illumination portion 333 and the auxiliary lamp illumination portion 342 are not specifically limited in the present application.

Further, in the present application, a reading tracking device 31 is disposed in the lamp head 3, so that the reading position on the book during the reading process of the user is tracked and identified by the reading tracking device 31; the present application preferably locates the reading tracking device 31 within the main light 33; in the present application, after the main lamp housing 332 is connected to the main lamp illumination portion 333, an accommodation space is defined between the main lamp housing 332 and the main lamp illumination portion 333, and the reading tracking device 31 is disposed in the accommodation space.

Referring to fig. 9 and 10, the reading tracking device 31 of the present application includes a light emitting structure 311, a connecting structure 312, and a stepping motor 313; the light emitting structure 312 can emit light, and the reading or copying position is identified by irradiating the light to the corresponding position on the book; the connecting structure 312 is fixedly connected with the light emitting structure 311; the connection structure 312 is connected to an output shaft 3131 of the stepping motor 313, the stepping motor 313 drives the connection structure 312 to rotate, and then the light emitting structure 311 is driven to rotate, while the light emitting structure 311 rotates, the position of light irradiated on the book by the light emitting structure 311 changes, and a new reading or transcription position is identified by the changed position of light.

When the reading tracking device is used, the position of the reading tracking device is determined according to the book to be read or copied, so that the light emitted by the light-emitting structure 311 in the reading tracking device can irradiate the corresponding position on the book; according to the reading requirement, the operation of the stepping motor 313 is controlled, and when the stepping motor 313 operates, the light emitted by the light-emitting structure 311 to the book is adjusted to a required position, and the reading position is identified, so that the reading position is tracked.

Specifically, the reading tracking device may be provided with corresponding buttons, such as an up button (not shown) and a down button (not shown), both of which are in signal connection or electrical connection with the stepping motor 313, and the up button and the down button control the operation of the stepping motor 313 to realize the up and down movement of the light on the book, thereby tracking the reading position.

The utility model provides a reading tracking means drives light-emitting structure 311 through step motor 313 and rotates to make the light that light-emitting structure 311 sent remove on books, thereby come to trail the position of reading through the light that should remove, improve reading, learning efficiency.

In order to control the operation of the reading tracking device, the reading tracking device in the present application may further include a control module, and the control module is in signal connection with the stepping motor 313, so as to control the operation of the stepping motor 313 through the control module, thereby improving the intelligence degree of the control; specifically, the control module preferably comprises a single chip microcomputer so as to simplify the control system.

Referring to fig. 17, the connecting structure 312 of the present application includes a circular arc-shaped toothed ring 3121, and a first toothed structure is disposed on an inner wall of the toothed ring 3121; a gear shaft 3132 is fixedly connected to an output shaft 3131 of the stepping motor 313, and a second toothed structure is arranged on the outer side of the gear shaft 3132; the second tooth formation is adapted to cooperate with the first tooth formation to mesh the output shaft 3131 with the toothed ring 3121.

When the reading tracking device is used, the stepping motor 313 operates according to a command, such as an upward command sent by a user through an upward button or a downward command sent by a user through a downward button, and the output shaft 3131 rotates, and the rotation direction of the output shaft 3131 is determined according to the corresponding command; because the output shaft 3131 is engaged with the gear ring 3121 through the gear shaft 3132, the output shaft 3131 rotates and simultaneously drives the gear ring 3121 to rotate, and then drives the light emitting structure 311 connected to the connecting structure 312 to rotate, so that the light emitted by the light emitting structure 311 moves on the book, and the tracking of the reading position is realized.

To ensure that the light emitted from the reading tracking device 31 always shines on the book, as shown in fig. 17, the reading tracking device 31 provided by the present application further includes a first limiting structure 314 disposed adjacent to the connecting structure 312, wherein the first limiting structure 314 is used for limiting the rotation angle range of the connecting structure 312.

Specifically, the first limiting structure 314 includes a first photoelectric sensing switch 3141 and a second photoelectric sensing switch 3142, the connecting structure 312 includes a first light barrier 3122 and a second light barrier 3123, and the first light barrier 3122 and the second light barrier 3123 are respectively disposed at two ends of the gear ring 3121; the first light barrier 3122 is matched with the first photoelectric sensing switch 3141; the second light blocking plate 3123 is matched with the second photoelectric sensing switch 3142; the first photoelectric sensing switch 3141 and the second photoelectric sensing switch 3142 are in signal connection with the control module.

The position of the first photoelectric sensing switch 3141 is determined according to the upper limit position for limiting the light emitting structure 311, when the light emitting structure 311 rotates to the upper limit position, light emitted by the light emitting structure 311 just irradiates to the highest position of the book, at this time, the first light blocking plate 3122 contacts with the first photoelectric sensing switch 3141, and the control module controls the stepping motor 313 to stop operating; the position of the second photoelectric sensing switch 3142 is determined according to the lower limit position for limiting the light emitting structure 311, when the light emitting structure 311 rotates to the lower limit position, the light emitted by the light emitting structure 311 just irradiates the lowest position of the book, at this time, the second light blocking plate 3123 contacts with the second photoelectric sensing switch 3142, and the control module controls the stepping motor 313 to stop operating; it should be understood that, since different books have different sizes, the distance between the highest position and the lowest position of different books is different, and therefore, in order to enable the reading tracking apparatus to be suitable for most books, when the light emitting structure 311 is transferred to the upper limit position and the lower limit position in the present application, the emitted light does not necessarily correspond to the highest position and the lowest position of each book.

Further, the reading tracking device 31 provided by the present application further includes a motor base 3133, where the motor base 3133 is fixedly connected to the stepping motor 313, and is used to fix the stepping motor 313; the first limiting structure 314 further includes a circuit board 3143, wherein the first photoelectric sensing switch 3141 and the second photoelectric sensing switch 3142 are both fixedly connected to the circuit board 3143; the output shaft 3131 passes through the motor base 3133 and the circuit board 3143 in sequence and is fixedly connected with the gear shaft 3132.

In order to improve the stability of the connection structure 312, the connection structure 312 is further rotatably connected to the motor base 3133 by a pin 3124; specifically, one end of the pin 3124 passes through the circuit board 3143 and is fixedly connected to the motor base 3133, and the other end of the pin is rotatably connected to the connecting structure 312, so that the connecting structure 312 can rotate around the pin 3124 during the operation of the reading tracking device 31, thereby preventing the connecting structure 312 from falling off.

The reading tracking range is determined according to the rotation angle of the gear ring 3121, and the rotation angle range of the gear ring 3121 is preferably 75 ° in the present application, and in the rotation angle range, the reading tracking of the contents of most sizes of books at present can be realized. The light emitting structure 311 in this application may be any structure capable of emitting light, and in this application, it is preferable that the light emitting structure 311 is selected from one of a light emitting diode and a word line laser module.

Referring to fig. 11, after the reading tracking device 31 is placed in the main light 33, in order to make the light emitted from the light emitting structure 311 exit from the main light 33, the main light illuminating part 333 is provided with a light transmitting hole 3331 adapted to the light emitting structure 311. When the reading tracking device is used, light rays emitted by the light emitting structure 311 in the reading tracking device are emitted through the light transmission hole 3331 and irradiate on a book to track and mark a reading position.

The main lamp illumination section 333 in the present application includes a main lamp illumination housing 3332, and a light diffusion plate 3333 connected to the main lamp illumination housing 3332, the main lamp illumination housing 3332 and the light diffusion plate 3333 enclosing a main lamp source accommodation area; a main lamp strip 3334 is arranged in the main lamp source accommodating area, and the bottom end of the main lamp strip 3334 inclines towards the direction close to the light diffusion plate 3333; a first reflecting layer is arranged on the inner side of the top end of the main lamp illuminating shell 3332; the preferred society of this application is that the light-transmissive hole 3331 is at the top of the main light housing 3332.

After the light that for avoiding light emitting structure 311 to send is diffused by light diffuser plate 3333, shine the light area on books too big, can't be accurate sign reading the position, this application is preferred to set up the transparent construction with light trap 3331 looks adaptation on light diffuser plate 3333, this transparent construction department does not set up light diffusing structure promptly, thereby make the light that light emitting structure 311 sent in proper order through light trap 3331, main lamp 33 jets out behind the transparent construction, this light that jets out does not pass through light diffuser plate, therefore not by further diffusion, thereby make the light that this light emitting structure 311 sent shine on books with punctiform or linear structure, position to reading carries out effective sign.

For convenience of operation, command buttons such as switches of the reading tracking device 31 and command buttons of the desk lamp can be integrated; in addition, after the desk lamp is turned on, the lamp holder 3 is used as a lamp source and can emit light; in order to enable the light emitted by the light-emitting structure 311 to still identify the reading position when the desk lamp is turned on, the color of the light emitted by the light-emitting structure 311 is preferably different from the color of the light emitted by the lamp holder 3; or the brightness of the light emitted by the light emitting structure 311 is significantly brighter than the brightness of the light emitted by the lamp holder 3.

Further, the movable learning table provided by the application further comprises a reading bookshelf 5, so that a read book can be fixed through the reading bookshelf 5; the reading bookshelf 5 is preferably rotatably connected with the bracket 4, and the height of the reading bookshelf 5 is lower than that of the lamp holder 3.

Through set up reading bookshelf 5 on support 4, when using the desk lamp, fix the books of reading through reading bookshelf 5, when convenient to use person reads, still be favorable to rational utilization space. The reading bookshelf 5 is rotatably connected with the support 4, so that the angle of the reading bookshelf 5 can be adjusted through rotation in the reading process, and the reading bookshelf 5 can meet the use requirement of a user. In addition, the height of the reading bookshelf 5 is lower than that of the lamp holder 3, and the positions and the heights of the lamp holder 3 and the reading bookshelf 5 can be adjusted through the support 4, so that light emitted by the light-emitting structure 311 in the lamp holder 3 can irradiate the book on the reading bookshelf 5, and the reading position is identified and tracked through the light irradiated to the reading bookshelf 5 by the light-emitting structure 311.

In order to facilitate the connection of the reading shelf 5 to the stand 4, the stand 4 of the present application includes a second horizontal support 44, and one end of the second horizontal support 44 is pivotally connected to the vertical support 42 and the other end is pivotally connected to the reading shelf 5.

The second horizontal support frame 44 includes a fifth connecting rod 441 and a sixth connecting rod 442 which are parallel to each other; the fifth connecting rod 441 and the sixth connecting rod 442 are both rotatably connected with the reading bookshelf 5; the bracket 4 further comprises a third oil cylinder 46, the bottom end of the third oil cylinder 46 is rotatably connected with the vertical supporting frame 42, and the piston rod of the third oil cylinder 46 is rotatably connected with a fifth connecting rod 441. In the present application, a second dovetail joint (not shown) is provided on the reading bookshelf 4, and the fifth connecting rod 441 and the sixth connecting rod 442 are both rotatably connected to the second dovetail joint through a pin.

For the convenience of operation, the damping direction of the third oil cylinder 46 is preferably upward, so that on one hand, the reading bookshelf 5 is supported by the damping of the third oil cylinder 46, and the stability of the structure of the movable learning table is improved; on the other hand, the difficulty of lifting the reading bookshelf 5 upwards is reduced, so that the difficulty of adjusting the angle of the reading bookshelf 5 is reduced.

Further, in order to increase the adjustment angle of the support 4, the first connecting rod 421 in the present application includes an upper first connecting rod 4211 located above and a lower first connecting rod 4212 located below, the second connecting rod 422 includes an upper second connecting rod 4221 located above and a lower second connecting rod 4222 located below, the upper second connecting rod 4221 is sleeved on the outer side of the upper first connecting rod 4211, and the lower second connecting rod 4222 is sleeved on the outer side of the lower first connecting rod 4212; the vertical support frame 42 further comprises a second connecting plate 424, and the first upper connecting rod 4211, the first lower connecting rod 4212, the second upper connecting rod 4221, the second lower connecting rod 4222, the fifth connecting rod 441 and the sixth connecting rod 442 are rotatably connected with the second connecting plate 424 through pin shafts; the bottom end of the third oil cylinder 46 is rotatably connected with the second lower support rod 4222.

The support 4 provided by the application further comprises a fourth oil cylinder 47, the bottom end of the fourth oil cylinder 47 is rotatably connected with the second connecting plate 424, and a piston rod of the fourth oil cylinder 47 is connected with the second connecting upper rod 4221; the damping direction of the fourth oil cylinder 47 is downward preferably, so that when the vertical support frame 42 is adjusted forwards or backwards, the damping force of the fourth oil cylinder 47 needs to be overcome, the forward or backwards adjusted vertical support frame 42 can be kept balanced through the fourth oil cylinder 47, meanwhile, the difficulty of adjusting the vertical support frame 42 to the vertical direction can be reduced, and the operation is facilitated.

In the vertical support 42 of the present application, the second upper link 4221 is sleeved outside the first lower link 4211, and the second lower link 4222 is sleeved outside the first lower link 4212, so as to improve the aesthetic property of the support 4, on the other hand, the connection point of the first lower link 4212 and the second connecting plate 424, the connection point of the first lower link 4212 and the base 41, the connection point of the second lower link 4222 and the second connecting plate 424, and the connection point of the second lower link 4222 and the base 41 together form a parallelogram structure, and similarly, the connection point of the second upper link 4221 and the first connecting plate 433, the connection point of the second upper link 4221 and the second connecting plate 424, the connection point of the first upper link 4211 and the first connecting plate 433, and the connection point of the first upper link 4211 and the second connecting plate 424 together form a parallelogram structure; the angle of the bracket 4 is kept stable through the parallelogram structure, the angle of the bracket 4 is prevented from being changed automatically without being adjusted by a user in the using process, and the stability and the safety of the structure of the bracket 4 are improved.

The first horizontal support frame 43 in the present application, together with the third connecting rod 431, the fourth connecting rod 432, the first connecting plate 433, and the first dovetail connection 32, forms a parallelogram structure; the second horizontal supporting frame 44 forms a parallelogram structure together with the fifth connecting rod 441, the sixth connecting rod 442, the second connecting plate 424 and the second dovetail connecting part, and the parallelogram structure can keep the angle of the lamp head 3 and the reading bookshelf 5 stable, so that the angle of the lamp head 3 and the reading bookshelf 5 cannot be changed due to the weight of the lamp head 3 and the reading bookshelf 5 during the use process.

The utility model provides a desk lamp through a plurality of parallelogram structures in the support 4, makes this support 4 can adjust lamp holder 3 and reading bookshelf 5's height and angle on the one hand, and on the other hand makes this support 4 again after adjusting the completion, and the angle can remain unchanged, improves the stability of structure.

The reading bookshelf 5 in the present application comprises a book clamping device 51, and two book pressing devices 52 respectively arranged at two sides of the book clamping device 51; the book clamping device 51 is used for clamping a spine part of a book so as to fix the book; the book clamping device 52 is used for fixing the opened pages and preventing the pages from being closed again.

Specifically, referring to fig. 12 and 13, the book clamping device 51 of the present application includes a fixing portion 511, a first main body portion 512, a second main body portion 513, and a first adjusting structure 514; the first main body 512 and the second main body 513 are oppositely arranged on the front side of the fixing part 511; the first and second body portions 512, 513 are slidably connected to the fixing portion 5111 through the first adjusting structure 514, so that the first and second body portions 512, 513 can be adjusted by the first adjusting structure 514. The front side is specifically the side of the book holder 51 that is close to the user when the book holder is in use.

Specifically, when the book clamping device 51 is used, firstly, the first adjusting structure 514 is used for adjusting the distance between the first main body part 512 and the second main body part 513 to be larger than the thickness of a book to be read, then the spine part of the book is placed between the first main body part 512 and the second main body part 513, and the first adjusting structure 514 is used for adjusting the distance between the first main body part 512 and the second main body part 513 to be smaller, so that the first main body part 512 and the second main body part 513 are both abutted against the book and clamp the book, and the book is fixed.

On one hand, the book clamping device 51 is provided with a space for accommodating a spine by arranging the first main body part 512 and the second main body part 513 to be in sliding connection with the fixing part 511, the spine of a book is placed in the space, and the distance between the first main body part 512 and the second main body part 513 is adjusted by the first adjusting structure 514, so that the second main body part 512 and the second main body part 513 clamp the book, the spine is prevented from protruding to the side close to a reader, the opened pages are prevented from being closed, and the use comfort is improved; on the other hand, the distance between the first main body part 512 and the second main body part 513 can be adjusted, so that the book clamping device provided by the application can clamp books with different thicknesses, and the application range is wide.

In order to adjust the distance between the first main body 512 and the second main body 513, the first adjusting structure 514 in this application includes an adjusting rod 5141, and a gear adjusting structure fixedly connected to the adjusting rod 5141; the adjusting rod 5141 is rotatably connected with the fixing part 511; the gear adjustment structure is slidably connected to both the first body portion 512 and the second body portion 513.

In order to improve the structural stability and the aesthetic degree of the book clamping device, the fixing part 511 is preferably a hollow structure, and the adjusting rod 5141 penetrates through the fixing part 511 and is rotatably connected with the fixing part 511; meanwhile, the gear adjusting structure is disposed in the fixing portion 511, and the gear adjusting structure is slidably connected to both the first main body portion 512 and the second main body portion 513.

When the distance between the first main body part 512 and the second main body part 513 needs to be adjusted, the adjusting rod 5141 is rotated, the adjusting rod 5141 rotates and drives the gear adjusting structure to move, and then the first main body part 512 and the second main body part 513 are driven to correspondingly slide along the fixing part 511 by the movement of the gear adjusting structure, so that the distance between the first main body part 512 and the second main body part 513 is adjusted.

Specifically, the gear adjusting structure in the present application includes a first bevel gear 5142, a second bevel gear 5143, a third bevel gear 5144, a first threaded rod 5145, a second threaded rod 5146, a first slider 5147, and a second slider 5148, where the first bevel gear 5142 is fixedly connected to the adjusting rod 5141, the second bevel gear 5143 and the third bevel gear 5144 are oppositely disposed, and both the second bevel gear 5143 and the third bevel gear 5144 are engaged with the first bevel gear 5142; the second bevel gear 5143 is fixedly connected with the first threaded rod 5145, and the third bevel gear 5144 is fixedly connected with the second threaded rod 5146; the first sliding block 5147 is in threaded connection with the first threaded rod 5145, and the first sliding block 5147 is fixedly connected with the first main body 512; the second sliding block 5148 is in threaded connection with the second threaded rod 5146, and the second sliding block 5148 is fixedly connected with the second main body part 513; the number of the first sliding block 5147 and the second sliding block 5148 is two.

When the distance between the first main body part 512 and the second main body part 513 needs to be adjusted, the adjusting rod 5141 is rotated, and the first bevel gear 5142 is driven to rotate while the adjusting rod 5141 rotates; because the second bevel gear 5143 and the third bevel gear 5144 are both engaged with the first bevel gear 5142, and the second bevel gear 5143 and the third bevel gear 5144 are arranged oppositely, the first bevel gear 5142 rotates and simultaneously drives the second bevel gear 5143 and the third bevel gear 5144 to rotate in opposite directions, and further drives the first threaded rod 5145 and the second threaded rod 5146 to rotate through the second bevel gear 5143 and the third bevel gear 5144, respectively, and the first threaded rod 5145 and the second threaded rod 5146 rotate in opposite directions; since the first slider 5147 is connected to the first threaded rod 5145 through a thread, and the position of the first threaded rod 5145 is unchanged during the rotation process, the first slider 5147 is driven to move along the axial direction of the first threaded rod 5145 while the first threaded rod 5145 rotates; since the first sliding block 5147 is fixedly connected to the first main body 512, the first sliding block 5147 drives the first main body 512 to move along the axial direction of the first threaded rod 5145 while moving; also, since the second slider 5148 is connected to the second threaded rod 5146 by a thread, and the position of the second threaded rod 5146 is not changed during the rotation process, the second slider 5148 is driven to move along the axial direction of the second threaded rod 5146 while the second threaded rod 5146 rotates; since the second sliding block 5148 is fixedly connected to the second main body 513, the second sliding block 5148 drives the second main body 513 to move along the axial direction of the second threaded rod 5146 while moving; since the first threaded rod 5145 and the second threaded rod 5146 rotate in opposite directions, the first slider 5147 and the second slider 5148 move in opposite directions, so that the first body 512 and the second body 513 move in opposite directions, i.e., the first body 512 and the second body 513 always move in a direction approaching the center of the book clamping device or move away from the center of the book clamping device, thereby increasing or decreasing the distance between the first body 512 and the second body 513, and further performing operations such as clamping or removing a spine.

The maximum thickness of the book clamped by the book clamping device is determined by the lengths of the first threaded rod 5145 and the second threaded rod 5146, and the maximum thickness of the book clamped by the book clamping device is preferably 24 mm; the thickness range can meet the clamping requirements of most books on the market.

The number of the gear adjusting structures can be one or more; in order to improve the stability of the structure of the book clamping device, the number of the gear adjusting structures is preferably two; the two gear adjusting structures are respectively disposed at two ends of the fixing portion 511.

In order to facilitate adjustment of the adjustment rod 5141, the gear adjustment structure of the present application further includes a first adjustment knob 5149, and the first adjustment knob 5149 is fixedly coupled to a bottom end of the adjustment rod 5141. The bottom end of the adjusting rod 5141 in this application means specifically that when the book clamping device is used, the end of the adjusting rod 5141 close to the lower part of the book is close to the bottom of the book. Through setting up the first adjust knob 5149 with adjusting pole 5141 fixed connection, can drive through this first adjust knob 5149 and adjust pole 5141 and rotate to reduce the operation degree of difficulty, facilitate the use.

Referring to fig. 12 to 15, the book pressing device 52 in the present application includes a pressing rod 521 for pressing and fixing the opened pages, and a pressing rod adjusting structure 522 for adjusting the pressing rod 521; the pressing rod 521 is positioned in front of the book clamping device 51, and the pressing rod adjusting structure 522 is connected to the rear side of the book clamping device 51; the front of the book clamping device 51 specifically refers to a side of the book clamping device 51 on which a book is placed; the pressing rod 521 is slidably connected with the pressing rod adjusting structure 522 along the front-back direction of the book clamping device 51, so that the position of the pressing rod 521 can be adjusted along the front-back direction of the book clamping device 51, and the distance between the pressing rod 521 and the book clamping device 51 is adjusted through the pressing rod adjusting structure 522.

In order to clamp the book, the pressing rods 521 in the present application are distributed along the vertical direction of the book clamping device 51; in particular, the directions of "up", "down", "front", "back", "left" and "right" in the present application refer to the directions indicated by the direction indicators in the drawings.

When the book pressing device 52 is used, firstly, the pressure lever 521 is adjusted to the direction away from the book clamping device 51 through the pressure lever adjusting structure 522, so that the distance between the pressure lever 521 and the book clamping device 51 is increased; the book is placed in front of the book clamping device 51, the pages are opened, the opened pages are placed between the pressing rod 521 and the book clamping device 51, the pressing rod 521 is adjusted towards the direction close to the book clamping device 51 through the pressing rod adjusting structure 522, the distance between the pressing rod 521 and the book clamping device 51 is reduced until the pressing rod 521 clamps the opened pages, and the book is fixed.

To facilitate adjustment of the position of the plunger 521, the plunger adjustment structure 522 in this application includes a housing 5221, and a second adjustment structure disposed within the housing 5221; the upper end and the lower end of the casing 5221 are respectively provided with a first sliding chute 5222 distributed along the front-back direction of the book clamping device 51, and the two ends of the pressing rod 521 are connected with the second adjusting structure through the first sliding chutes 5222; a switch structure is also provided on the housing 5221, and the switch structure is connected to the second adjustment structure.

The operation of the second adjusting structure is controlled by a switch structure arranged on the casing 5221, and in the operation process of the second adjusting structure, the pressing rod 521 is driven to slide in the first sliding groove 5222 on the casing 5221, so that the position of the pressing rod 521 is adjusted, and the distance between the pressing rod 521 and the book clamping device 51 is adjusted by adjusting the position of the pressing rod 521.

The second adjusting structure in the present application includes a seventh connecting rod, an adjusting bolt 5223, a stepping motor 5224 and a control module, wherein the seventh connecting rod is distributed along the up-down direction, and both ends of the seventh connecting rod pass through the first chute 5222 and are connected with the pressing rod 521; specifically, the pressing rod 521 in the present application includes a pressing rod body 5211 distributed along the up-down direction, and two eighth connecting rods 5212 connected to two ends of the pressing rod body 5211 respectively, the eighth connecting rods 5212 are distributed along the front-back direction, and the eighth connecting rods 5212 are fixedly connected to the seventh connecting rod; the adjusting bolts 5223 are distributed along the front-back direction, the adjusting bolts 5223 and the stepping motor 5224 are both fixedly connected with the housing 5221, and the adjusting bolts 5223 are in threaded connection with the seventh connecting rod; the stepping motor 5224 is connected with an adjusting bolt 5223; the switch structure and the stepping motor 5224 are in signal connection with the control module.

The operation of the stepping motor 5224 is controlled by a switch structure; in the operation process of the stepping motor 5224, the adjusting bolt 5223 is driven to rotate; specifically, in the application, the stepping motor 5224 drives the synchronizing wheel to rotate through the synchronous belt in the operation process, the synchronizing wheel is connected with the adjusting bolt 5224, and the adjusting bolt 5223 is driven to rotate while the synchronizing wheel rotates; since the adjusting bolt 5223 is fixedly connected with the housing 5221 and the adjusting bolt 5223 is connected with the seventh connecting rod through threads, the seventh connecting rod is driven to move back and forth along the adjusting bolt 5223 in the rotating process of the adjusting bolt 5223; wherein whether the seventh connecting rod moves forward or backward depends on the rotation direction of the stepping motor 5224, so that the seventh connecting rod can be controlled to perform a corresponding forward and backward movement by controlling the operation of the stepping motor 5224.

In the forward or backward movement process of the seventh connecting rod, the eighth connecting rod 5212 connected with the seventh connecting rod is driven to move forward or backward, and the pressing rod body 5211 is driven to move forward or backward by the eighth connecting rod 5212; when the pressing rod body 5211 moves forward, the distance between the pressing rod 521 and the book clamping device 51 is increased; when the pressing rod body 5211 moves backwards, the distance between the pressing rod 521 and the book clamping device 51 is driven to decrease, so that the distance between the pressing rod 521 and the book clamping device 51 can be adjusted.

In order to improve the automation degree of the book pressing device 52, the seventh connecting rod in the present application includes a front connecting rod 5225 and a rear connecting rod 5226 which are arranged in parallel, the front connecting rod 5225 is located at a side close to the book clamping device 51, and the rear connecting rod 5226 is located at a side far from the book clamping device 51; the front connection rod 5225 is connected with the rear connection rod 5226 through a shaft pin, and the shaft pin connection is provided with a gap; the shaft pin connection in the present application specifically means that, of the front connection rod 5225 and the rear connection rod 5226, one connection rod is provided with a connection shaft, and the other connection rod is provided with a connection hole adapted to the connection shaft; the connecting shaft is positioned in the connecting hole, and a certain gap is formed between the connecting shaft and the connecting hole, so that the connecting shaft can slide in the connecting hole within a certain range while the front connecting rod 5225 and the rear connecting rod 5226 are connected through the connecting shaft and the connecting hole; the present application prefers that the gap is 2mm, i.e., the distance between the front 5225 and rear 5226 connecting rods can float in the range of 2 mm; both ends of the rear connecting rod 5226 are connected with the pressing rod 521; the adjusting bolt 5223 is in threaded connection with the front connecting rod 5225; the front connecting rod 5225 is connected with a trigger plate 5227, the rear connecting rod 5226 is provided with an infrared emitting device 5228 matched with the trigger plate 5227, and the infrared emitting device 5228 is in signal connection with the control module.

When the pages need to be turned, the stepping motor 5224 is controlled by the switch structure to drive the adjusting bolt 5223 to rotate, and the adjusting bolt 5223 drives the front connecting rod 5225 to move forward while rotating, namely, the front connecting rod 5225 is driven to move towards the direction close to the book clamping device 51; meanwhile, since the front connection rod 5225 is connected with the rear connection rod 5226 through a shaft pin, the front connection rod 5225 moves forward while driving the rear connection rod 5226 to move forward; and the rear connecting rod 5226 is connected with the pressing rod 521, so as to drive the pressing rod 521 to move forward, so that the pressing rod 521 moves in a direction away from the book clamping device 51, the distance between the pressing rod 521 and the book clamping device 51 is increased, and the book page turning is facilitated.

After the book is turned, the stepping motor 5224 is controlled to rotate reversely through the switch structure, so that the stepping motor 5224 drives the adjusting bolt 5223 to rotate reversely, and the adjusting bolt 5223 drives the front connecting rod 5225 to move backwards while rotating reversely, namely, the front connecting rod 5225 is driven to move towards the direction far away from the book clamping device 51; meanwhile, since the front connection rod 5225 is connected to the rear connection rod 5226 through a shaft pin, the front connection rod 5225 moves rearward while driving the rear connection rod 5226 to move rearward; the rear connecting rod 5226 is connected to the pressing rod 521, so as to drive the pressing rod 521 to move backwards, so that the pressing rod 521 moves towards the book clamping device 51; when the pressing rod 521 is in contact with the book, the book prevents the pressing rod 521 from moving further in a direction close to the book clamping device 51, and at the same time, the rear connecting rod 5226 connected to the pressing rod 521 stops moving backwards; at this time, the stepping motor 5224 continues to rotate, so as to drive the front connecting rod 5225 to continue to move in a direction away from the book clamping device 51, and at the same time, the front connecting rod 5225 drives the trigger plate 5227 to move in a direction away from the book clamping device 51; since the position of the rear connecting rod 5226 is unchanged, the distance between the trigger plate 5227 and the infrared emitting device 5228 is reduced, the trigger plate 5227 blocks the infrared rays emitted by the infrared emitting device 5228, the stop command of the stepping motor 5224 is triggered, and a control module, such as a single chip microcomputer, in signal connection with the infrared emitting device 5228 sends the stop command of the stepping motor 5224, and the stepping motor 5224 stops operating, so that the opened book page is clamped.

Further, a buffer structure is provided between the front connection rod 5225 and the rear connection rod 5226 of the present application, and it is further preferable that the buffer structure includes a spring. By providing the buffering structure, when the rear connecting rod 5226 stops operating, the front connecting rod 5225 continues to move away from the book clamping device 51, and the buffering structure applies a resistance force to the front connecting rod 5225 in a direction close to the book clamping device 51, so that an excessive pressure on the book caused by an excessive force applied to the rear connecting rod 5226 during the movement of the front connecting rod 5225 is avoided, and the safety is improved.

In the process of driving the pressing rod 521 to move forward and backward in the present application, the rotation direction of the output shaft of the stepping motor 5224 is determined according to the thread extending direction of the adjusting bolt 5223, and the like, and is not specifically limited herein.

The switch structure in the application can be a switch button, or a corresponding command button is arranged in a touch screen mode; for convenience of use, the switch structure preferably includes an infrared switch for sensing a gesture of a user, and the control module converts the gesture sensed by the infrared switch into an electrical signal to control the operation of the stepping motor 5224. Specifically, the book pressing device provided by the application comprises a control module in signal connection with an infrared switch and a stepping motor 5224, wherein the control module comprises a single chip microcomputer; the control module judges an instruction sent by a user according to the gesture sensed by the infrared switch, and then controls the operation of the stepping motor 5224 according to the instruction; a circuit board is provided in the housing 5221, and the circuit board converts commands into electrical signals to control the operation of the stepping motor 5224.

This infrared switch of preferred this of this application includes first infrared switch and second infrared switch, and control module senses the order of gesture according to first infrared switch and second infrared switch, controls step motor 5224's operation. For example, if the gesture of the user passes through the first infrared switch and then passes through the second infrared switch during the operation of the book pressing device, the control module determines that the command sent by the user at this time is a page turning command, and controls the step motor 5224 to operate, so as to drive the pressing rod 521 to move in a direction away from the book clamping device 51, and release the clamping of the page; on the contrary, if the gesture of the user passes through the second infrared switch and then passes through the first infrared switch, the control module determines that the command sent by the user at this time is the clamping command, and controls the step motor 5224 to operate, so as to drive the pressing rod 521 to move towards the direction close to the book clamping device 51, thereby clamping the page.

The first infrared switch and the second infrared switch can be arranged at any position on the reading bookshelf 5; for convenience of operation, it is preferable that the first infrared switch is located at a position close to the lower part of the outer side of the reading bookshelf 5, and the second infrared switch is located at a position close to the upper part of the outer side of the reading bookshelf 5, so that when a user waves upwards at the outer side of the casing 5221 with a hand, a page turning instruction is triggered, and the stepping motor 5224 drives the pressing rod 521 to move in a direction away from the book clamping device 51; conversely, when the user swings the housing 5221 downwards by hand, a clamping command is triggered, and the stepping motor 5224 drives the pressing rod 521 to move towards the book clamping device 51; the triggering mode of the instruction is simple and easy to operate, and the triggering process accords with the use habits of most users.

This application is further preferred to set up plastic slab 53 in the outside of pressing from both sides book device 51, all sets up first infrared switch, second infrared switch in plastic slab 53, and the infrared light can see through this plastic slab 53 on the one hand and carry out the gesture response, and on the other hand can protect first infrared switch, second infrared switch through this plastic slab 53 again to improve the aesthetic property of reading bookshelf.

In order to further expand the application range of the book pressing device 52 provided by the present application, the pressing rod adjusting structure 522 in the present application further includes a third adjusting structure 523, and the pressing rod adjusting structure 522 is slidably connected to the book clamping device 51 in the left-right direction through the third adjusting structure 523. Due to the fact that the size of the book is various, the pressing rod adjusting structure 522 is arranged to be in sliding connection with the book clamping device 51 in the left-right direction, the pressing rod adjusting structure 522 can drive the pressing rod 521 to move in the left-right direction through left-right sliding, the pressing rod 521 can clamp the books with different widths, and the using range is enlarged.

Specifically, the third adjusting structure 523 in this application includes a first adjusting rod 5231, a gear structure fixedly connected to the first adjusting rod 5231, and a rack 5232 engaged with the gear structure; the rack 5232 is fixedly coupled to the book holding device 51 in the left-right direction. Wherein the first adjustment rods 5231 are distributed in the up-down direction; the gear structure is driven to rotate by rotating the first adjusting rod 5231; because the gear structure is engaged with the rack 5232, and the rack 5232 is fixedly connected with the book clamping device 51, the gear structure rotates and simultaneously drives the pressing rod adjusting structure 522 to move in the left-right direction and drives the pressing rod 521 to move in the left-right direction, so that the position of the pressing rod 521 on the book clamping device 51 in the left-right direction is adjusted, and the pressing rod 521 can clamp books with different widths.

To improve the structural stability of the book pressing device 52, the number of the gear structures is preferably two, and the two gear structures are respectively connected to two ends of the first adjusting rod 5231. The gear structure preferably includes a first gear 5233 and a second gear 5234 which are engaged with each other, the first gear 5233 is fixedly connected with the first adjusting rod 5231, and the second gear 5234 is engaged with the first rack 5232, so that when the position of the pressing rod 521 in the left-right direction is adjusted, the moving direction of the pressing rod 521 is consistent with the rotating direction of the first adjusting rod 5231, and the adjustment of the pressing rod 521 is more consistent with the sensory recognition of most users.

In order to facilitate the rotation of the first adjusting lever 5231, the third adjusting structure 523 further includes a second adjusting knob 5235, and the second adjusting knob 5235 is fixedly connected to the first adjusting lever 5231, so that the first adjusting lever 5231 is driven to rotate by rotating the second adjusting knob 5235.

In order to ensure the structural stability of the book pressing device 52, the third adjusting structure 523 in this application further includes a guide rail 5236, and a second chute 5237 adapted to the guide rail 5236; the guide rail 5236 and the second runner 5237 are both distributed in the left-right direction; the second runner 5237 is fixedly connected to the housing 5221, and the guide rail 5236 is fixedly connected to the book holder 51. When the pressing rod adjusting structure 522 moves in the left-right direction, the guide rail 5236 slides in the second sliding groove 5237, so that the connection strength between the pressing rod adjusting structure 522 and the book clamping device 51 is improved, and the structural stability is improved. Further, in the present application, a rubber or plastic structure is disposed inside the second runner 5237 so as to increase the damping between the guide rail 5236 and the second runner 5237, so that the movement of the plunger adjustment structure 522 can be immediately stopped when the rotation of the second adjustment knob 5235 is stopped.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims (13)

1. A movable learning table is characterized by comprising a movable table top (1), a clamping structure (2) and a table lamp; wherein the content of the first and second substances,

the movable table top (1) is connected with the clamping structure (2);

the desk lamp comprises a lamp holder (3) and a bracket (4) connected with the lamp holder (3);

the support (4) is connected with the clamping structure (2).

2. A movable learning table according to claim 1, characterized in that the movable table top (1) comprises a table top body (11), and an arm rest (12); the number of the arm supports (12) is two, and the two arm supports (12) are connected to two sides of the desktop body (11) in a downward inclining manner; the using sides of the two arm supports (12) and the using side of the desktop body (11) jointly form an arc-shaped structure, and a concave structure is formed in the direction of the using side of the desktop body (11) far away from a user.

3. A movable learning table according to claim 1, characterized in that the holding structure (2) comprises a length adjustment structure (21), an angle adjustment structure (22) and a table top sliding lock (23), wherein the length adjustment structure (21) is distributed in a horizontal direction for connection with the table top of a normal desk; the front end of the length adjusting structure (21) is connected with the front end of the angle adjusting structure (22); the desktop sliding lock (23) is connected with the movable desktop (1), the desktop sliding lock (23) is arranged on the angle adjusting structure (22), and the desktop sliding lock (23) is connected with the angle adjusting structure (22) in a sliding mode.

4. A movable learning table according to claim 3, wherein the length adjustment structure (21) comprises a telescopic connection (211), and a first clamping member (212) and a second clamping member (213) connected to both ends of the telescopic connection (211), respectively.

5. A movable learning table as claimed in claim 4, characterized in that said support (4) comprises a base (41), a vertical support (42) rotatably connected to said base (41), and a first horizontal support (43) rotatably connected to said vertical support (42); the first horizontal support frame (43) is rotatably connected with the lamp head (3); the base (41) is connected with the telescopic connecting piece (211).

6. A movable learning table as claimed in claim 5, characterized in that the base (41) comprises a base body (411) and two connecting seats (412) fixedly connected to the base body (411); the top of the connecting seat (412) is connected with connecting lugs (4121) distributed along the vertical direction, and the connecting lugs (4121) are rotatably connected with the vertical supporting frame (42) through pin shafts.

7. The movable learning table as claimed in claim 6, wherein the base body (411) comprises a connecting portion (4111), and two connecting holes (4112) respectively disposed at two ends of the connecting portion (4111), the connecting portion (4111) is fixedly connected to the connecting seat (412); the base (41) is connected with the telescopic connecting piece (211) through the connecting hole (4112).

8. A movable learning table according to claim 1, characterized in that reading tracking means (31) are provided in the lamp head (3).

9. The movable learning table of claim 8, wherein the reading tracking means (31) comprises a light emitting structure (311), a connecting structure (312) and a stepper motor (313); wherein the connecting structure (312) is fixedly connected with the light emitting structure (311); the connecting structure (312) is connected with an output shaft (3131) of the stepping motor (313), and the connecting structure (312) is driven to rotate by the stepping motor (313).

10. The movable learning table of claim 8, wherein the connecting structure (312) comprises a circular arc shaped toothed ring (3121);

a first tooth-shaped structure is arranged on the inner wall of the gear ring (3121);

a gear shaft (3132) is fixedly connected to the output shaft (3131), and a second toothed structure is arranged on the outer side of the gear shaft (3132);

the second tooth-like structure is adapted to cooperate with the first tooth-like structure to mesh the pinion shaft (3132) with the ring gear (3121).

11. A movable learning table according to claim 10, further comprising a first limiting structure (314) arranged adjacent to the connecting structure (312), the first limiting structure (314) being adapted to define a range of rotation angles of the connecting structure (312).

12. The movable learning table as claimed in claim 11, wherein the first limiting structure (314) comprises a first photo-electric sensing switch (3141) and a second photo-electric sensing switch (3142), the connecting structure (312) comprises a first light barrier (3122) and a second light barrier (3123), and the first light barrier (3122) and the second light barrier (3123) are respectively disposed at two ends of the gear ring (3121); the first light barrier (3122) is adapted to the first photoelectric sensing switch (3141); the second light blocking plate (3123) is matched with the second photoelectric sensing switch (3142).

13. A movable learning table according to any one of claims 1 to 12, further comprising a reading bookshelf (5), wherein the reading bookshelf (5) is rotatably connected to the support (4).

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