CN213524347U - Book fixing bracket for teaching - Google Patents

Abstract

The utility model discloses a book rest fixing bracket is used in teaching, including the bracket sucking disc, the top fixedly connected with bracket base of bracket sucking disc, the first pivot of the inside fixedly connected with of first pivot ear, the surface of first pivot articulates there is first book rest bracing piece, the top fixedly connected with second books bracing piece of first book rest bracing piece, the inside top swing joint of second books bracing piece has third books bracing piece, the inside middle part swing joint of third books bracing piece has first stopper. This books for teaching fixed bracket is provided with nut and threaded rod, the bottom fixedly connected with nut of third books bracing piece, threaded rod top and the first stopper of bottom fixedly connected with and second stopper, through swing joint between nut and the threaded rod at last, make the books layer board can rotate, realized books fixed bracket's all-round regulation, provide very big convenience for the teacher.

Description

Book fixing bracket for teaching

Technical Field

The utility model relates to an education and teaching technical field specifically is a book fixing bracket is used in teaching.

Background

When a teacher needs writing on a blackboard in a classroom, one hand generally holds a book, the other hand holds a chalk, hands do not get free sometimes when other teaching aids need to be demonstrated, holding the book for a long time is also very laborious, arm ache is caused, if the book is placed on a platform, the book needs to be turned frequently and is also very inconvenient, when a teacher gives lessons or reads the book, pages turned over can be folded naturally often due to the tension of the book, particularly, the book with a thicker paper is newer, the phenomenon of natural folding can occur more, and great inconvenience is brought to the teacher or readers.

For example, chinese patent application No. CN201621060158.9 discloses a teaching books fixing bracket, including vacuum chuck, a pedestal, a storage battery, a connecting rod, lower support arm, pivot i, upper support arm, pivot ii, a connecting seat, pivot iii, the books layer board, the sliding tray, put the pen container, the slip preforming, bellows and light, open books, push down the page with the preforming, avoid the nature of books to fold, and the preforming can slide along the sliding tray, make books fixing bracket's size can be adjusted, can avoid the nature of books to fold, and books fixing bracket's height and pitch angle all can be adjusted, the all-round regulation of books fixing bracket has been realized, but when mr teaches under the platform, need often turn around, books fixing bracket is unable to rotate, bring very inconvenience for mr.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a book stationary tray is used in teaching to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a book fixing bracket for teaching comprises a bracket sucker, wherein the top of the bracket sucker is fixedly connected with a bracket base, the top of the bracket base is fixedly connected with a first rotating shaft lug, the inside of the first rotating shaft lug is fixedly connected with a first rotating shaft, two ends of the first rotating shaft are in threaded connection with a first rotating shaft sleeve, the outer surface of the first rotating shaft is hinged with a first book supporting rod, the top of the first book supporting rod is fixedly connected with a second book supporting rod, the inside top of the second book supporting rod is movably connected with a third book supporting rod, the inside middle part of the third book supporting rod is movably connected with a first limiting block, the bottom of the first limiting block is fixedly connected with a threaded rod, the middle outer surface of the threaded rod is movably connected with a nut, the bottom of the nut is fixedly connected with a second limiting block, and the top of the third book supporting rod is fixedly connected with a second rotating shaft lug, the inside fixedly connected with second pivot of second pivot journal stirrup, the both ends threaded connection of second pivot has the second pivot cover, the surface of second pivot articulates there is the fourth book bracing piece, the top fixedly connected with books layer board of fourth book bracing piece, the top fixedly connected with slide rail of books layer board, the top both sides swing joint of slide rail has the slider, the top swing joint of slider has the book end.

Preferably, the bottom of the third book supporting rod is fixedly connected with a nut.

Preferably, the bottom of the threaded rod is fixedly connected with a second limiting block.

Preferably, a second limiting block is fixedly connected to the inside of the second book supporting rod.

Preferably, the outer surfaces of the two ends of the first rotating shaft and the second rotating shaft are fixedly connected with threads.

Preferably, a support rod hole is formed in the top of the second book support rod.

Preferably, the number of the sliding blocks is two, the sliding grooves are formed in the tops of the sliding blocks, the tops of the sliding grooves are movably connected with connecting blocks, and the tops of the connecting blocks are fixedly connected with book clamps.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this book for teaching is provided with slide rail and slider, the user passes through the bracket sucking disc and installs the bracket pedestal on the teaching desk, place books on the books layer board, the quantity of slider is two, the inside spout that has seted up in top of slider, the top swing joint of spout has the connecting block, the top fixedly connected with book end of connecting block, later the distance of the removal regulation book end and books through slide rail and slider, the position of book end can be adjusted through the connecting block simultaneously, the effectual content of avoiding book end bumping post books, make book fixing bracket's size can be adjusted, so that be fit for various books.

(2) This book rest fixing bracket is used in teaching is provided with first book rest bracing piece and fourth book rest bracing piece, the surface of first pivot articulates there is first book rest bracing piece, through first pivot and first pivot journal ear, thereby adjust first book rest bracing piece and drive the books layer board and move forward or backward, the surface of second pivot articulates there is the fourth book rest bracing piece, adjust second pivot and fourth book rest bracing piece once more, the angle of bowing that makes the books layer board all can be adjusted, thereby can put the books layer board in suitable position according to teacher's station appearance.

(3) This books for teaching fixed bracket is provided with nut and threaded rod, the bottom fixedly connected with nut of third books bracing piece, threaded rod top and the first stopper of bottom fixedly connected with and second stopper, through swing joint between nut and the threaded rod at last, make the books layer board can rotate, realized books fixed bracket's all-round regulation, provide very big convenience for the teacher.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an internal structural view of the first pivot lug taken from FIG. 1;

FIG. 3 is an internal view of the second book support bar of FIG. 1;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

fig. 5 is an enlarged schematic view of the structure at B in fig. 3.

In the figure: the book reading support comprises a support frame sucker 1, a support frame base 2, a first rotating shaft lug 3, a first rotating shaft 4, a first rotating shaft sleeve 5, a first book support rod 6, a second book support rod 7, a third book support rod 8, a first limiting block 9, a threaded rod 10, a nut 11, a second limiting block 12, a second rotating shaft lug 13, a second rotating shaft 14, a second rotating shaft sleeve 15, a fourth book support rod 16, a book support plate 17, a sliding rail 18, a sliding block 19 and a book folder 20.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a book fixing bracket for teaching comprises a bracket sucker 1, a bracket base 2 is fixedly connected with the top of the bracket sucker 1, a first rotating shaft lug 3 is fixedly connected with the top of the bracket base 2, a first rotating shaft 4 is fixedly connected inside the first rotating shaft lug 3, threads are fixedly connected with the outer surfaces of two ends of the first rotating shaft 4 and a second rotating shaft 14, a first rotating shaft sleeve 5 is connected with two ends of the first rotating shaft 4 through threads, a first book supporting rod 6 is hinged with the outer surface of the first rotating shaft 4, the first book supporting rod 6 is adjusted through the first rotating shaft 4 and the first rotating shaft lug 3 so as to drive a book supporting plate 17 to move forwards or backwards, a fourth book supporting rod 16 is hinged with the outer surface of the second rotating shaft 14, the second rotating shaft 14 and the fourth book supporting rod 16 are adjusted again, so that the pitching angle of the book supporting plate 17 can be adjusted, so that the book supporting plate 17 can be placed at a proper position according to the standing posture of the teacher, the top of the first book supporting rod 6 is fixedly connected with the second book supporting rod 7, the inside of the second book supporting rod 7 is fixedly connected with the second limiting block 12, the top of the second book supporting rod 7 is internally provided with a supporting rod hole, the inside top of the second book supporting rod 7 is movably connected with the third book supporting rod 8, the bottom of the third book supporting rod 8 is fixedly connected with the nut 11, the inner middle part of the third book supporting rod 8 is movably connected with the first limiting block 9, the bottom of the first limiting block 9 is fixedly connected with the threaded rod 10, the bottom of the threaded rod 10 is fixedly connected with the second limiting block 12, the outer surface of the middle part of the threaded rod 10 is movably connected with the nut 11, the bottom of the third book supporting rod 8 is fixedly connected with the nut 11, and the top and the bottom, finally, the book supporting plate 17 can rotate through the movable connection between the nut 11 and the threaded rod 10, so that the omnibearing adjustment of the book fixing bracket is realized, great convenience is provided for teachers, the bottom of the nut 11 is fixedly connected with a second limiting block 12, the top of the third book supporting rod 8 is fixedly connected with a second rotating shaft lug 13, the inside of the second rotating shaft lug 13 is fixedly connected with a second rotating shaft 14, two ends of the second rotating shaft 14 are in threaded connection with a second rotating shaft sleeve 15, the outer surface of the second rotating shaft 14 is hinged with a fourth book supporting rod 16, the top of the fourth book supporting rod 16 is fixedly connected with the book supporting plate 17, the top of the book supporting plate 17 is fixedly connected with a sliding rail 18, two sides of the top of the sliding rail 18 are movably connected with sliding blocks 19, the number of the sliding blocks 19 is two, the inside of the top of the sliding block 19 is provided with a sliding groove, the, the user installs bracket base 2 on the teaching desk through bracket sucking disc 1, place books on books layer board 17, slider 19's quantity is two, the inside spout that has seted up in slider 19's top, the top swing joint of spout has the connecting block, the top fixedly connected with book end 20 of connecting block, later the distance of book end 20 and books is adjusted through the removal of slide rail 18 and slider 19, the position of book end 20 can be adjusted through the connecting block simultaneously, the effectual content of avoiding book end 20 bumping post books, make book fixing bracket's size can be adjusted, so as to be fit for various books, slider 19's top swing joint has book end 20.

The working principle is as follows: when the book fixing bracket for teaching is used, a user installs a bracket base 2 on a teaching desk through a bracket sucker 1, places books on a book supporting plate 17, then adjusts the distance between a book clamp 20 and the books through the movement of a sliding rail 18 and a sliding block 19, so that the size of the book fixing bracket can be adjusted to be suitable for various books, adjusts a first book supporting rod 6 through a first rotating shaft 4 and a first rotating shaft lug 3 to enable the book supporting plate 17 to move forwards or backwards, adjusts a second rotating shaft 14 and a fourth book supporting rod 16 again to enable the pitching angle of the book supporting plate 17 to be adjustable, fixedly connects a nut 11 at the bottom of a third book supporting rod 8, fixedly connects a first limiting block 9 and a second limiting block 12 at the top and the bottom of a threaded rod 10, and finally enables the book supporting plate 17 to rotate through the movable connection between the nut 11 and the threaded rod 10, the all-round regulation of books fixed bolster has been realized, provides very big convenience for the teacher.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A book fixing bracket for teaching comprises a bracket sucker (1), and is characterized in that: the top of the bracket sucker (1) is fixedly connected with a bracket base (2), the top of the bracket base (2) is fixedly connected with a first rotating shaft lug (3), the inside of the first rotating shaft lug (3) is fixedly connected with a first rotating shaft (4), two ends of the first rotating shaft (4) are in threaded connection with a first rotating shaft sleeve (5), the outer surface of the first rotating shaft (4) is hinged with a first book support rod (6), the top of the first book support rod (6) is fixedly connected with a second book support rod (7), the inside top of the second book support rod (7) is movably connected with a third book support rod (8), the inside middle part of the third book support rod (8) is movably connected with a first limit block (9), the bottom of the first limit block (9) is fixedly connected with a threaded rod (10), the middle part outer surface of the threaded rod (10) is movably connected with a nut (11), the bottom fixedly connected with second stopper (12) of nut (11), the top fixedly connected with second pivot journal stirrup (13) of third books bracing piece (8), the inside fixedly connected with second pivot (14) of second pivot journal stirrup (13), the both ends threaded connection of second pivot (14) has second pivot cover (15), the surface of second pivot (14) articulates there is fourth books bracing piece (16), the top fixedly connected with books layer board (17) of fourth books bracing piece (16), the top fixedly connected with slide rail (18) of books layer board (17), the top both sides swing joint of slide rail (18) has slider (19), the top swing joint of slider (19) has book end (20).

2. The book fixing bracket for teaching of claim 1, wherein: and the bottom of the third book supporting rod (8) is fixedly connected with a nut (11).

3. The book fixing bracket for teaching of claim 1, wherein: the bottom of the threaded rod (10) is fixedly connected with a second limiting block (12).

4. The book fixing bracket for teaching of claim 1, wherein: and a second limiting block (12) is fixedly connected inside the second book supporting rod (7).

5. The book fixing bracket for teaching of claim 1, wherein: and the outer surfaces of the two ends of the first rotating shaft (4) and the second rotating shaft (14) are fixedly connected with threads.

6. The book fixing bracket for teaching of claim 1, wherein: and a supporting rod hole is formed in the top of the second book supporting rod (7).

7. The book fixing bracket for teaching of claim 1, wherein: the quantity of slider (19) is two, and the spout has been seted up to the inside spout in the top of slider (19), and the top swing joint of spout has the connecting block, and the top fixedly connected with book end (20) of connecting block.

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