CN215435712U

CN215435712U - Teaching content prompt book clip

Info

Publication number: CN215435712U
Application number: CN202122016732.8U
Authority: CN
Inventors: 孔莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-07
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a teaching content prompt book clip, which comprises a first plate and a second plate which are hinged, wherein the outer wall of one side of the second plate is symmetrically provided with a baffle plate, and the side surface of the baffle plate forms a book inserting cavity and a window; the ratchet wheel self-locking mechanism is used for enabling the included angle between the first plate and the second plate to be adjustable. The utility model discloses a teaching content suggestion books press from both sides, through placing teaching books in the book inserting intracavity of the second block of boards, and insert the book intracavity support the clamp plate and support to book fixedly, can be very convenient extract and fix books, with the ratchet self-locking mechanism in the first board of the second block of board articulated, can fix the angle of the board upset of second block, consequently when the required angle of needs adjustment, only need pull the slide bar on the first board, alright adjust the angle of the second block of board, loosen the slide bar, the angle alright of the second block of board is fixed.

Description

Teaching content prompt book clip

Technical Field

The utility model relates to a teaching content prompt book clip.

Background

The book clamp is used as a book clamping device for teaching, can fix teaching books and can facilitate teaching of teachers.

According to the patent number CN201520766596.6, a book clamping frame is disclosed, which comprises a left clamping plate and a right clamping plate, wherein a hinge barrel is arranged at the front part and the rear part below the right side of the left clamping plate, a connecting hinge barrel is arranged at the middle part below the left side of the right clamping plate, the connecting hinge barrel is positioned between the two hinge barrels, corresponding spline through holes are formed in the inner side walls of the hinge barrel and the connecting hinge barrel, a spline shaft is sequentially inserted and sleeved in the spline through holes of the hinge barrel and the connecting hinge barrel, the top of the spline shaft extends out of the hinge barrel above and is inserted and sleeved in a clamping ring, two ball plungers are screwed on the inner side wall of the clamping ring, steel balls of the ball plungers are nested in concave holes formed in the outer wall of the top end of the spline shaft, a limiting plate is arranged at the bottom end of the spline shaft, and the limiting plate is pressed on the hinge barrel at the bottom; the middle part of the upper plane of the left side of the left clamping plate is provided with a left book clamping block, the middle part of the upper plane of the right side of the right clamping plate is provided with a right book clamping block, and a clamping groove is formed in one opposite side wall of the left book clamping block and the right book clamping block.

Conventional books press from both sides, simple structure easily causes books to empty the scheduling problem, and the books that use commonly press from both sides mostly can't adjust the visual angle of textbook for fixed knot constructs to the condition such as slide appears easily when placing in the desktop.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a teaching content prompt book clamp, wherein a containing groove is formed by a plate capable of containing a book and a shielding plate, so that the book can be placed in the containing groove, a pressing plate capable of pressing the book is movably arranged in the containing groove, a rotatable supporting plate is hinged to one side of the plate, a ratchet self-locking mechanism is movably arranged in the supporting plate, and the ratchet self-locking mechanism can fix the angles of the two plates, so that the angles of the book can be turned and fixed.

In order to achieve the above purpose, the utility model provides the following technical scheme: a teaching content prompt book clip comprises a first plate and a second plate which are hinged, wherein shielding plates are symmetrically arranged on the outer wall of one side of the second plate, and a book inserting cavity and a window are formed in the side face of the second plate;

the ratchet wheel self-locking mechanism is used for enabling the included angle between the first plate and the second plate to be adjustable.

Preferably, a boss is arranged on the outer wall of one side of the second plate, a groove is formed in the middle of one side of the boss, a rotating shaft is arranged in the groove, the first plate is rotatably arranged on the rotating shaft, and the ratchet wheel self-locking mechanism is arranged in the first plate and matched with the rotating shaft to enable the included angle between the first plate and the second plate to be adjustable.

Preferably, the ratchet self-locking mechanism comprises a sliding rod, a gear, a pressing rod and a pressing spring, the gear is fixedly arranged on a rotating shaft in the boss groove, the pressing rod is two symmetrical components and is axially and rotatably arranged on the first plate, the pressing spring is fixedly arranged on the outer wall of one side, opposite to the gear, of the pressing rod, one end of the pressing spring is fixedly arranged on the first plate, the pressing spring pushes the pressing rod to be locked in the gear tooth opening, and the sliding rod is slidably arranged between the pressing rods.

Preferably, the shielding plate is movably provided with a pressing plate towards the outer wall of one side of the second plate, one end of the pressing plate is fixedly provided with a torsion spring, and the torsion spring drives the pressing plate to rotate so that the other end of the pressing plate is abutted against the side wall of the second plate.

Preferably, the first and second plates are both plastic.

Preferably, the opposite ends of the first and second panels are each provided with a patterned rubber cushion.

In the technical scheme, the teaching content prompt book clip provided by the utility model has the following beneficial effects: the book inserting cavity is formed by matching the second block plate and the shielding plates on the second block plate, the pressing plate is movably arranged in the book inserting cavity, one end of the pressing plate is provided with a torsion spring, the book is inserted into the book inserting cavity and pressed and fixed by the torsion spring, the first block plate is hinged to one side of the second block plate, the ratchet self-locking mechanism is arranged in the first block plate and matched with a rotating shaft in the boss on the second block plate, and the angle between the second block plate and the first block plate can be adjusted and fixed.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic view of an overall structure of a book holder according to an embodiment of the present invention;

fig. 2 is a schematic view of a book holder according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a book holder according to an embodiment of the present invention when being stored;

fig. 4 is a schematic cross-sectional view of a ratchet self-locking mechanism according to an embodiment of the present invention.

Description of reference numerals:

1. a first plate; 2. a second plate; 3. a torsion spring; 4. a ratchet self-locking mechanism; 5. pressing the plate; 21. a boss; 22. a book inserting cavity; 23. a shielding plate; 24. a window; 41. a slide bar; 42. a gear; 43. a pressing rod; 44. pressing against the spring.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, a teaching content prompting book holder comprises a first plate 1 and a second plate 2 which are hinged, wherein a shielding plate 23 is symmetrically arranged on the outer wall of one side of the second plate 2, and the side surfaces of the shielding plate 23 form a book inserting cavity 22 and a window 24; the device further comprises a ratchet self-locking mechanism 4, and the ratchet self-locking mechanism 4 is used for enabling the included angle between the first plate 1 and the second plate 2 to be adjustable. Form through the cooperation of the shielding plate 23 on the second block of board 2 and insert book chamber 22, insert book chamber 22 internalization and be provided with and support clamp plate 5, it is provided with torsional spring 3 to support clamp plate 5 one end, books insert and support clamp plate 5 and receive ordering about of torsional spring 3 to support to press fixedly books in book chamber 22, it has first board 1 to articulate in one side of the second block of board 2, be provided with ratchet self-locking mechanism 4 in the first block of board 1, pivot in the boss 21 on the second block of board 2 is supported in ratchet self-locking mechanism 4 cooperation, make the angle between the second block of board 2 and the first board 1 adjust and fix.

As shown in fig. 1 and 2, as a further technical solution provided by the present invention, a boss 21 is provided on an outer wall of one side of the second plate 2, a groove is centrally provided on one side of the boss 21, a rotating shaft is provided in the groove, the first plate 1 is rotatably provided on the rotating shaft, a ratchet self-locking mechanism 4 is movably provided in the first plate 1, and the ratchet self-locking mechanism 4 is matched with the rotating shaft in the boss 21, so that an angle between the first plate 1 and the second plate 2 can be adjusted and fixed.

Furthermore, the ratchet self-locking mechanism 4 comprises a sliding rod 41, a gear 42, a pressing rod 43 and a pressing spring 44, the gear 42 is fixedly arranged on a rotating shaft in the groove of the boss 21, the pressing rod 43 is two symmetrical components, and is axially and rotatably arranged on the first plate 1, the outer wall of one side of the abutting rod 43 opposite to the gear 42 is fixedly provided with an abutting spring 44, one end of the abutting spring 44 is fixedly arranged on the first plate 1, one end of the abutting rod 43 is provided with a tooth mouth matched with the gear 42, and is locked in the tooth mouth of the gear 42 under the pushing of the abutting spring 44, the sliding rod 41 is slidably arranged between the abutting rods 43, when the sliding rod 41 moves downwards to push the two abutting rods 43 away, so that the abutting rods 43 are separated from the tooth openings of the gear 42, the ratchet self-locking mechanism 4 is unlocked, the first plate 1 can rotate relative to the second plate 2, the sliding rod 41 is released again, and the abutting springs 44 abut against the abutting rods 43 again to be locked in the tooth openings of the gear 42.

Further, the shielding plate 23 is provided with towards the outer wall activity of the second block of board 2 one side and supports clamp plate 5, supports the one end fixed mounting of clamp plate 5 and has torsional spring 3, and torsional spring 3 fixed mounting is on shielding plate 23, and when placing books in inserting book chamber 22, supports clamp plate 5 this moment and receives torsional spring 3 to order about to rotate, supports on the clamp plate 5 other end supports presses books, fixes books.

Furthermore, the first plate 1 and the second plate 2 are both made of plastic, and the opposite ends of the first plate 1 and the second plate 2 are both provided with patterned rubber cushions, so that the patterned rubber cushions can prevent the first plate 1 from slipping when the first plate 1 is turned over relative to the second plate 2 and stands on a desktop.

The working principle is as follows: the book is placed in the book inserting cavity 22 formed by matching the second plate 2 and the shielding plate 23, the pressing plate 5 in the book inserting cavity 22 is driven by the torsion spring 3 to press and fix the book, when the angle of the device needs to be adjusted, the pressing rod 43 is pressed by the sliding rod 41 on the first plate 1 to leave the tooth opening of the gear 42 by pulling the sliding rod 41 on the first plate 1, the ratchet self-locking mechanism 4 is unlocked, the first plate 1 can be turned over at the moment, when the required angle is reached, the sliding rod 41 is released, the pressing spring 44 is pressed to push the pressing rod 43 to be locked on the tooth opening of the gear 42, and the angle is locked and fixed. When the device needs to be stored, the book is taken out of the book inserting cavity 22, the sliding rod 41 is pulled again to enable the first board 1 to be attached to the second board 2, the sliding rod 41 is loosened again, and the first board 1 is fixed.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The teaching content prompt book folder is characterized by comprising a first plate (1) and a second plate (2) which are hinged, wherein shielding plates (23) are symmetrically arranged on the outer wall of one side of the second plate (2), and a book inserting cavity (22) and a window (24) are formed in the side surface of the shielding plates;

the ratchet wheel self-locking mechanism (4) is used for enabling an included angle between the first plate (1) and the second plate (2) to be adjustable.

2. The teaching content prompting book holder as claimed in claim 1, wherein a boss (21) is arranged on the outer wall of one side of the second plate (2), a groove is formed in the center of one side of the boss (21), a rotating shaft is arranged in the groove, the first plate (1) is rotatably arranged on the rotating shaft, and the ratchet self-locking mechanism (4) is arranged in the first plate (1) and is matched with the rotating shaft so that the included angle between the first plate (1) and the second plate (2) can be adjusted.

3. The teaching content prompt book clip as claimed in claim 2, wherein the ratchet self-locking mechanism (4) comprises a sliding rod (41), a gear (42), a pressing rod (43) and a pressing spring (44), the gear (42) is fixedly arranged on a rotating shaft in a groove of the boss (21), the pressing rod (43) is two symmetrical components and is axially and rotatably arranged on the first plate (1), the pressing spring (44) is fixedly arranged on the outer wall of one side of the pressing rod (43) opposite to the gear (42), one end of the pressing spring (44) is fixedly arranged on the first plate (1), the pressing spring (44) presses the pressing rod (43) to be locked in a tooth opening of the gear (42), and the sliding rod (41) is slidably arranged between the pressing rods (43).

4. The teaching content prompting book holder as claimed in claim 2, wherein the shielding plate (23) is movably provided with a pressing plate (5) towards the outer wall of one side of the second plate (2), one end of the pressing plate (5) is fixedly provided with a torsion spring (3), and the torsion spring (3) drives the pressing plate (5) to rotate so that the other end of the pressing plate is abutted against the side wall of the second plate (2).

5. An instructional cue book holder as claimed in claim 1, characterized in that the first (1) and second (2) plates are both made of plastic.

6. An instructional cue book holder as claimed in claim 1, wherein the first (1) and second (2) plates are provided with a textured rubber cushion at opposite ends.