CN214072687U

CN214072687U - Adjustable bookshelf is used in chinese teaching

Info

Publication number: CN214072687U
Application number: CN202021738879.7U
Authority: CN
Inventors: 王晨; 陆文婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-08-31
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to the technical field of teaching equipment, in particular to an adjustable bookshelf for Chinese teaching, which comprises a slide rail, wherein both sides in the slide rail are provided with clamping grooves, the top end of the slide rail is provided with a plurality of bookshelf mechanisms, each bookshelf mechanism comprises a U-shaped frame, a rectangular frame is arranged in the U-shaped frame, a box body is arranged in the rectangular frame, the other side of the opening end of the box body is hinged with a fixing strip, one end of the fixing strip can be clamped in the U-shaped frame, the bottom end of the slide rail is provided with a height adjusting mechanism, books are placed in the box body by arranging the bookshelf mechanism, the books are clamped by the fixing strips, one end of each fixing strip is clamped in the U-shaped block to fix the fixing strip, when the angle of the bookshelf mechanism needs to be adjusted, the grab handle and the turntable are rotated, the second rotating shaft is clamped and fixed by the rotating thread sleeve, the first rotating shaft is limited by inserting the limiting pin into the limiting hole, so that the angle of the bookshelf mechanism is fixed.

Description

Adjustable bookshelf is used in chinese teaching

Technical Field

The utility model relates to a teaching equipment technical field especially relates to an adjustable bookshelf is used in chinese teaching.

Background

The bookshelf for chinese teaching is a teaching auxiliary assembly as the name implies, current bookshelf for chinese teaching only possesses the function of placing books, the function limitation is single, in the in-service use of imparting knowledge to students, in order to can the content in the show books of multi-angle, need adjust the angle of books in a flexible way, and also for the convenience of letting the student of classroom each department can both see the content on the books, for the convenience of the student of classroom back row and the lower student of height see the books on the bookshelf simultaneously, the bookshelf need possess the function of adjusting self height, for this reason we propose an adjustable bookshelf for chinese teaching.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect that the bookshelf angle can not be adjusted by a bookshelf for Chinese teaching in the prior art, and providing an adjustable bookshelf for Chinese teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable bookshelf for Chinese teaching is designed, and comprises a slide rail, wherein clamping grooves are formed in two sides of the slide rail, a plurality of bookshelf mechanisms are arranged at the top end of the slide rail, each bookshelf mechanism comprises a U-shaped frame, the bottom end of the U-shaped frame is arranged in the slide rail in a sliding manner, clamping strips are fixedly arranged at the lower ends of two sides of the U-shaped frame respectively, the clamping strips are arranged in the clamping grooves in a sliding manner, a rectangular frame is arranged in the U-shaped frame, first rotating shafts are fixedly arranged on two sides of the rectangular frame respectively, one end of each first rotating shaft is rotatably arranged at the inner side of the U-shaped frame, a box body is arranged in the rectangular frame, second rotating shafts are fixedly arranged at the upper end and the lower end of the box body respectively, one end of each second rotating shaft is rotatably arranged at the inner side of the rectangular frame, a screw rod is arranged at the top end of the rectangular frame, the screw rod penetrates through the rectangular frame and is fixedly connected with the second rotating shafts, and is in threaded sleeves are connected with the screw rods, the utility model discloses a quick-witted structure, including box body, slide rail, screw thread cover, U-shaped frame, spacing hole, box body open end opposite side articulate has the fixed strip, but fixed strip one end card is established in the U-shaped frame, the screw thread cover is located the rectangle frame outside, screw thread cover one end fixed mounting has the grab handle, is located one side first pivot run through U-shaped frame and fixed mounting has the carousel, U-shaped frame one side is seted up a plurality of spacing holes with first pivot circumference array distribution, carousel one side is equipped with the spacer pin, spacer pin one end is run through carousel, spacing hole and rectangle frame in proper order, box body open end one side fixed mounting has the U-shaped piece, box body open end opposite side articulates there is the fixed strip, but fixed strip one end card is established in the U-shaped piece, the slide rail bottom is equipped with height adjusting mechanism.

Preferably, height adjusting mechanism includes the lagging, the spout has all been seted up to both sides in the lagging, the equal fixed mounting in slide rail bottom both ends has the rack, the rack all extends to in the lagging, the equal fixed mounting in rack one side has the slider, both sides the slider slides respectively and sets up in the spout of both sides, be equipped with two interval distribution's gear in the lagging, the equal rotatable setting of gear is located the homonymy in the lagging the gear and rack toothing, the lagging outside is equipped with actuating mechanism.

Preferably, the driving mechanism comprises a motor, the motor is fixedly mounted on one side of the sleeve plate, two third rotating shafts are arranged on one side of the sleeve plate, one ends of the third rotating shafts are rotatably arranged on the sleeve plate, one ends of the third rotating shafts penetrate through the sleeve plate and are fixedly connected with the gears on two sides respectively, the other ends of the third rotating shafts are fixedly mounted with first belt pulleys, an output shaft of the motor is fixedly mounted with a second belt pulley, the second belt pulley and the first belt pulley on one side are in transmission through a first belt, the second belt pulley and the first belt pulley on one side are in the same steering direction, a fourth rotating shaft is fixedly mounted at the circle center of the second belt pulley, one end of the fourth rotating shaft is fixedly mounted with a third belt pulley, the third belt pulley and the first belt pulley on the other side are in transmission through a second belt, and the third belt pulley and the first belt pulley on the other side are in opposite steering directions, the first belt pulley, the second belt pulley and the third belt pulley are of the same specification, and the first belt are of the same specification.

Preferably, the base is fixedly installed at the bottom of the sleeve plate.

Preferably, a protection box is fixedly installed on one side of the sleeve plate, and the driving mechanism is located inside the protection box.

The utility model provides a pair of adjustable bookshelf is used in chinese teaching, beneficial effect lies in: place books through setting up bookshelf mechanism, place books in the box body, and utilize the fixed strip to block books, and fixed strip one end card is established and is fixed the fixed strip in the U-shaped piece, when the angle of bookshelf mechanism is adjusted to needs, rotates grab handle and carousel, and utilizes and rotates the thread bush and press from both sides tight fixedly to the second pivot, carries on spacingly through inserting spacing downthehole to first pivot with the spacer pin, thereby fixed bookshelf mechanism's angle.

Drawings

Fig. 1 is a schematic structural view of the adjustable bookshelf for Chinese teaching according to the present invention.

Fig. 2 is the structural schematic diagram of the driving mechanism of the adjustable bookshelf for Chinese teaching according to the present invention.

Fig. 3 is an enlarged schematic structural view of the bookshelf mechanism of the adjustable bookshelf for Chinese teaching according to the present invention.

Fig. 4 is an enlarged schematic view of a position a in fig. 3 of the adjustable bookshelf for Chinese teaching according to the present invention.

Fig. 5 is an enlarged schematic view of the position B in fig. 3 of the adjustable bookshelf for Chinese teaching according to the present invention.

In the figure: the device comprises a sliding rail 1, a clamping groove 2, a base 3, a protective box 4, a U-shaped frame 101, a clamping strip 102, a rectangular frame 103, a first rotating shaft 104, a box body 105, a second rotating shaft 106, a screw 107, a threaded sleeve 108, a grab handle 109, a rotary disc 110, a limiting hole 111, a limiting pin 112, a fixing strip 113, a U-shaped block 114, a sleeve plate 201, a sliding groove 202, a rack 203, a sliding block 204, a gear 205, a motor 301, a third rotating shaft 302, a first belt pulley 303, a second belt pulley 304, a first belt 305, a fourth rotating shaft 306, a third belt pulley 307 and a second belt 308.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1:

referring to fig. 1-5, an adjustable bookshelf for Chinese teaching comprises a slide rail 1, wherein two sides of the slide rail 1 are respectively provided with a clamping groove 2, the top end of the slide rail 1 is provided with a plurality of bookshelf mechanisms, each bookshelf mechanism comprises a U-shaped frame 101, the bottom end of the U-shaped frame 101 is slidably arranged in the slide rail 1, the lower ends of two sides of the U-shaped frame 101 are respectively and fixedly provided with a clamping strip 102, the clamping strips 102 are respectively and slidably arranged in the clamping grooves 2, the bookshelf mechanisms in the slide rail 1 can be conveniently installed and disassembled by arranging the clamping grooves 2 and the clamping strips 102, a rectangular frame 103 is arranged in the U-shaped frame 101, two sides of the rectangular frame 103 are respectively and fixedly provided with a first rotating shaft 104, one end of the first rotating shaft 104 is rotatably arranged at the inner side of the U-shaped frame 101, a box body 105 is arranged in the rectangular frame 103, the upper end and the lower end of the box body 105 are respectively and fixedly provided with a second rotating shaft 106, one end of the second rotating shaft 106 is rotatably arranged at the inner side of the rectangular frame 103, the top end of the rectangular frame 103 is provided with a screw 107, screw rod 107 runs through rectangle frame 103 and with second pivot 106 fixed connection, threaded connection has thread bush 108 on the screw rod 107, thread bush 108 is located the rectangle frame 103 outside, thread bush 108 one end fixed mounting has grab handle 109, first pivot 104 that is located one side runs through U-shaped frame 101 and fixed mounting has carousel 110, a plurality of spacing holes 111 with first pivot 104 circumference array distribution have been seted up to U-shaped frame 101 one side, carousel 110 one side is equipped with spacer pin 112, spacer pin 112 one end is run through carousel 110 in proper order, spacing hole 111 and rectangle frame 103, box body 105 open end one side fixed mounting has U-shaped piece 114, box body 105 open end opposite side articulates there is fixed strip 113, fixed strip 113 one end can be blocked and establish in U-shaped piece 114, slide rail 1 bottom is equipped with height adjusting mechanism. Place books through setting up bookshelf mechanism, place books in box body 105, and utilize fixed strip 113 to block books, and 113 one end cards of fixed strip are established and are fixed strip 113 in U-shaped piece 114, when the angle of bookshelf mechanism needs to be adjusted, rotate grab handle 109 and carousel 110, and utilize and rotate thread bush 108 and press from both sides tight fixedly to second pivot 106, carry on spacingly through inserting spacing round pin 112 in spacing hole 111 to first pivot 104, thereby the angle of fixed bookshelf mechanism.

Example 2:

referring to fig. 1 to 5, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the height adjusting mechanism includes a sleeve plate 201, sliding grooves 202 are respectively formed in both sides of the sleeve plate 201, racks 203 are fixedly mounted at both ends of the bottom of the sliding rail 1, the racks 203 extend into the sleeve plate 201, sliders 204 are fixedly mounted on one side of each rack 203, the sliders 204 on both sides are respectively slidably disposed in the sliding grooves 202 on both sides, two gears 205 are disposed in the sleeve plate 201 and are distributed at intervals, the gears 205 are rotatably disposed in the sleeve plate 201, the gear 205 on the same side is engaged with the rack 203, and a driving mechanism is disposed outside the sleeve plate 201. The sleeve plate 201, the sliding groove 202, the rack 203, the sliding block 204 and the gear 205 are arranged to be mutually matched, so that the sliding rail 1 and the bookshelf mechanism arranged on the sliding rail 1 can move up and down.

The driving mechanism comprises a motor 301, the motor 301 is fixedly installed on one side of the sleeve plate 201, two third rotating shafts 302 are arranged on one side of the sleeve plate 201, one ends of the third rotating shafts 302 are rotatably arranged on the sleeve plate 201, one ends of the third rotating shafts 302 penetrate through the sleeve plate 201 and are respectively fixedly connected with the gears 205 on two sides, the other ends of the third rotating shafts 302 are respectively fixedly installed with a first belt pulley 303, an output shaft of the motor 301 is fixedly installed with a second belt pulley 304, the second belt pulley 304 is in transmission with the first belt pulley 303 on one side through a first belt 305, the second belt pulley 304 is in the same rotation direction as the first belt pulley 303 on one side, a fourth rotating shaft 306 is fixedly installed at the center of the second belt pulley 304, one end of the fourth rotating shaft 306 is fixedly installed with a third belt pulley 307, the third belt pulley 307 is in transmission with the first belt pulley 303 on the other side through a second belt 308, the third belt pulley 307 is in opposite rotation direction to the first belt pulley 303 on the other side, the first pulley 303, the second pulley 304, and the third pulley 307 have the same size, and the first belt 305 have the same size. The bookshelf mechanism is driven to move up and down by the driving mechanism, the starting motor 301 drives the second belt pulley 304 to rotate, the second belt pulley 304 drives the first belt pulley 303 to rotate through the first belt 305, the first belt pulley 303 and the third rotating shaft 302 are integrally arranged, the third rotating shaft 302 rotates and drives the gear 205 to rotate, the gear 205 drives the rack 203 to move up and down, meanwhile, the second belt pulley 304, the fourth rotating shaft 306 and the third belt pulley 307 are integrally connected, the third belt pulley 307 rotates, the third belt pulley 307 drives the first belt pulley 303 on the other side to rotate through the second belt 308, the gear 205 on the other side drives the rack 203 on the other side to move up and down in the same way, the gears 205 on the two sides synchronously rotate and turn oppositely, the racks 203 on the two sides synchronously move in the same direction, and the driving mechanism drives the bookshelf mechanism on the slide rail 1 to move up and down linearly.

The base 3 is fixedly arranged at the bottom of the sleeve plate 201, and the base 3 is arranged to stabilize the supporting device; sleeving 201 one side fixed mounting has protection box 4, and actuating mechanism is located inside protection box 4, protects the drive structure in the actuating mechanism through setting up protection box 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An adjustable bookshelf for Chinese teaching comprises a slide rail (1) and is characterized in that clamping grooves (2) are formed in two sides of the interior of the slide rail (1), a plurality of bookshelf mechanisms are arranged at the top end of the slide rail (1), each bookshelf mechanism comprises a U-shaped frame (101), the bottom end of each U-shaped frame (101) is slidably arranged in the slide rail (1), clamping strips (102) are fixedly arranged at the lower ends of two sides of each U-shaped frame (101), the clamping strips (102) are slidably arranged in the clamping grooves (2), a rectangular frame (103) is arranged in each U-shaped frame (101), first rotating shafts (104) are fixedly arranged on two sides of each rectangular frame (103), one end of each first rotating shaft (104) is rotatably arranged on the inner side of each U-shaped frame (101), a box body (105) is arranged in each rectangular frame (103), second rotating shafts (106) are fixedly arranged at the upper end and the lower end of each box body (105), the first rotating shaft (104) positioned on one side penetrates through the U-shaped frame (101) and is fixedly provided with a rotating disc (110), one side of the U-shaped frame (101) is provided with a plurality of limiting holes (111) distributed in a circumferential array mode through the first rotating shaft (104), one side of the rotating disc (110) is provided with a limiting pin (112), one end of the limiting pin (112) sequentially penetrates through the rotating disc (110), the limiting holes (111) and the rectangular frame (103), the novel multifunctional box is characterized in that a U-shaped block (114) is fixedly mounted on one side of the opening end of the box body (105), a fixing strip (113) is hinged to the other side of the opening end of the box body (105), one end of the fixing strip (113) can be clamped in the U-shaped block (114), and a height adjusting mechanism is arranged at the bottom end of the sliding rail (1).

2. The adjustable bookshelf according to claim 1, wherein the height adjusting mechanism comprises a sleeve plate (201), sliding grooves (202) are formed in two sides of the sleeve plate (201), racks (203) are fixedly mounted at two ends of the bottom of the sliding rail (1), the racks (203) extend into the sleeve plate (201), sliding blocks (204) are fixedly mounted on one side of each rack (203), the sliding blocks (204) on two sides are respectively slidably arranged in the sliding grooves (202) on two sides, two gears (205) distributed at intervals are arranged in the sleeve plate (201), the gears (205) are rotatably arranged in the sleeve plate (201), the gears (205) on the same side are meshed with the racks (203), and a driving mechanism is arranged outside the sleeve plate (201).

3. The adjustable bookshelf according to claim 2, wherein the driving mechanism comprises a motor (301), the motor (301) is fixedly installed on one side of the sleeve plate (201), two third rotating shafts (302) are arranged on one side of the sleeve plate (201), one ends of the third rotating shafts (302) are rotatably installed on the sleeve plate (201), one ends of the third rotating shafts (302) penetrate through the sleeve plate (201) and are respectively and fixedly connected with the gears (205) on two sides, the other ends of the third rotating shafts (302) are respectively and fixedly installed with first belt pulleys (303), an output shaft of the motor (301) is fixedly installed with second belt pulleys (304), the second belt pulleys (304) are transmitted with the first belt pulleys (303) on one side through first belts (305), and the second belt pulleys (304) are rotated in the same direction as the first belt pulleys (303) on one side, centre of a circle department fixed mounting of second belt pulley (304) has fourth pivot (306), fourth pivot (306) one end fixed mounting has third belt pulley (307), through second belt (308) transmission between third belt pulley (307) and first belt pulley (303) that are located the opposite side, third belt pulley (307) are opposite with the turning to of first belt pulley (303) that are located the opposite side, first belt pulley (303), second belt pulley (304), third belt pulley (307) specification are the same, first belt (305) and first belt (305) specification are the same.

4. An adjustable bookshelf according to claim 2, wherein the base (3) is fixedly arranged at the bottom of the sleeve plate (201).

5. An adjustable bookshelf according to claim 2, wherein a protection box (4) is fixedly arranged on one side of the sleeve plate (201), and the driving mechanism is arranged inside the protection box (4).