CN111436781A

CN111436781A - Rotating bracket of wisdom blackboard

Info

Publication number: CN111436781A
Application number: CN202010265403.4A
Authority: CN
Inventors: 朱玉荣; 汤鹏飞; 项维军; 刘家杏
Original assignee: Anhui Wenxiang Information Technology Co Ltd
Current assignee: Anhui Wenxiang Information Technology Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-07-24

Abstract

The invention discloses a rotary support of a smart blackboard, and relates to the technical field of smart blackboard mounting racks. The invention comprises an outer frame body and an inner frame body, wherein the outer frame body is fixed on a base through an upright post, and two opposite side surfaces of the outer frame body are respectively provided with an upper shaft hole and a lower shaft hole; an intelligent blackboard is arranged on the inner side of the inner frame body, an upper shaft body matched with the upper shaft hole and a lower shaft body matched with the lower shaft hole are respectively arranged on two opposite side surfaces of the inner frame body, and meanwhile, limiting rings are sleeved on the upper shaft body and the lower shaft body; a fluted disc fixed on the lower shaft body extends into the shell, a through hole is formed in one side of the shell, and a brake block is arranged in the through hole in a sliding manner; one end of a rotating rod which is rotatably installed is installed in an axial hole formed in the brake block, the other end of the rotating rod is installed in an axial hole formed in the shell in a matching mode, and a gear meshed with the fluted disc is sleeved on the rotating rod. The invention can rotate and position quickly and is convenient to use.

Description

Rotating bracket of wisdom blackboard

Technical Field

The invention belongs to the technical field, and particularly relates to a rotary bracket of an intelligent blackboard.

Background

The intelligent blackboard is an organic combination between a traditional blackboard and multimedia teaching, seamless switching is realized, the chalk writing function of a common blackboard is realized in the same area, high-definition display and interactive touch are provided, and the intelligent blackboard comprises various rich multimedia teaching functions of playing teaching courseware, videos, pictures, animations, annotations and the like. The product seamlessly combines traditional blackboard and intelligent high definition interactive display function, and traditional teaching and modern science and technology degree of depth fuse, bring the best teaching experience. Current wisdom blackboard is installed on the wall body, perhaps carries out fixed mounting through the support, and current supporting structure is simple, is not convenient for rotate and fix a position.

The invention discloses a computer display rotating bracket in the prior art (CN208268719U), which relates to the technical field of computer auxiliary equipment, and comprises a display body and a fixed seat, wherein the fixed seat comprises a first supporting plate and a second supporting plate, a rubber block is arranged between the first supporting plate and the second supporting plate, a plurality of cylindrical holes penetrating through the thickness of the rubber block are arranged in the rubber block, a spring is arranged in each cylindrical hole, one end of the spring is fixedly connected with the first supporting plate, the other end of the spring is fixedly connected with the second supporting plate, a telescopic rod is fixed at the upper end of the first supporting plate and is vertical to the fixed seat, a rotating motor is fixed at the upper end of the telescopic rod, a supporting rod is arranged at the upper end of the rotating motor, one end of the supporting rod is connected with an output shaft of the rotating motor, and the other end of the supporting rod is fixedly connected, simultaneously, the height of the computer display rotating bracket can be adjusted by a user according to the requirement, and the computer display rotating bracket is convenient for the computer display body to rotate. This application runing rest can not realize the display automatic positioning after the rotation, inconvenient use.

Disclosure of Invention

The invention aims to provide a rotary support of an intelligent blackboard, which is characterized in that a rotary handle is pressed and rotated to drive the rotary disk, the rotary rod, a gear and a fluted disc to rotate in sequence to drive an inner frame body and the intelligent blackboard arranged on the inner frame body to rotate, when the proper position is reached, the rotary handle is released to realize positioning under the action of an elastic element, the operation is convenient, and the related problems in the background art are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a rotary bracket of an intelligent blackboard, which comprises an outer frame body and an inner frame body, wherein the outer frame body is fixed on a base through an upright post, and two opposite side surfaces of the outer frame body are respectively provided with an upper shaft hole and a lower shaft hole; the intelligent blackboard is arranged on the inner side of the inner frame body, an upper shaft body matched with the upper shaft hole and a lower shaft body matched with the lower shaft hole are respectively arranged on two opposite side surfaces of the inner frame body, and meanwhile, the upper shaft body and the lower shaft body are respectively sleeved with a limiting ring; a fluted disc fixed on the lower shaft body extends into the shell, a through hole is formed in one side of the shell, a brake block is arranged in the through hole in a sliding mode, meanwhile, the port of the through hole is sealed through an end cover, an elastic element is arranged between the end cover and the brake block, and a convex edge clamped with teeth of the fluted disc is arranged on the brake block; the dwang one end cooperation of rotation installation is installed in the axle hole that the brake block was equipped with, and the other end cooperation is installed in the axle hole that the casing was equipped with, cup jointed the gear with fluted disc meshing on the dwang, dwang and carousel meshing installation, the while carousel is located between the bulge loop two that gear and gear one side were equipped with, carousel fixed mounting rotates on the pivot of the commentaries on classics handle of installation on the casing.

Furthermore, the axis of the upper shaft hole and the axis of the lower shaft hole are overlapped with the central line of the outer frame body.

Furthermore, a gap exists between the inner side face of the outer frame body and the outer side face of the inner frame body, and the inner frame body rotates 360 degrees around the upper shaft hole and the lower shaft hole in the outer frame body.

Further, the cross section of the through hole is oval or regular polygon, and the cross section of the brake block is the same as that of the through hole.

Further, the first bulge loop that the dwang was equipped with is installed in the port department in brake block shaft hole.

Further, the height of the brake block is the same as that of the gear, and the depth of the rotating shaft of the rotating handle extending into the shell is larger than that of the brake block or the gear.

Furthermore, an elastic element is sleeved on a rotating shaft of the rotating handle positioned outside the shell.

Further, the elastic element is a compression spring.

Compared with the prior art, the invention provides a rotary bracket of an intelligent blackboard, which has the following beneficial effects:

according to the invention, the rotating handle is pressed and rotated, so that the rotating handle sequentially drives the rotating disc, the rotating rod, the gear and the fluted disc to rotate to drive the inner frame body and the intelligent blackboard arranged on the inner frame body to rotate, when the rotating handle reaches a proper position, the rotating handle is loosened to realize positioning under the action of the elastic element, the operation is convenient, and the problem that the position change is easy to occur in the conventional friction positioning is solved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the overall assembly of the present invention;

FIG. 2 is a schematic view of the front side of the integral assembly of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3B according to the present invention;

FIG. 5 is a perspective view of the outer frame and the base of the present invention;

FIG. 6 is a perspective view of the inner frame of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-outer frame body, 11-upper shaft hole, 12-lower shaft hole, 2-upright post, 3-base, 4-inner frame body, 41-upper shaft body, 42-lower shaft body, 43-limiting ring, 44-fluted disc, 5-intelligent blackboard, 6-shell, 61-through hole, 62-end cover, 63-brake block, 7-rotating handle, 71-rotating disc, 8-rotating rod, 81-first convex ring, 82-gear, 83-second convex ring and 9-elastic element.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1, 2, 5 and 6, the present invention relates to a rotary stand for an intelligent blackboard, which comprises an outer frame 1 and an inner frame 4,

the outer frame body 1 is fixed on the base 3 through the upright posts 2, and two opposite side surfaces of the outer frame body 1 are respectively provided with an upper shaft hole 11 and a lower shaft hole 12; the axial line of the upper shaft hole 11 and the axial line of the lower shaft hole 12 are superposed with the central line of the outer frame body 1; an intelligent blackboard 5 is installed on the inner side of the inner frame body 4, an upper shaft body 41 matched with the upper shaft hole 11 and a lower shaft body 42 matched with the lower shaft hole 12 are respectively arranged on two opposite side surfaces of the inner frame body 4, meanwhile, limiting rings 43 are sleeved on the upper shaft body 41 and the lower shaft body 42, the side wall of the outer frame body 1 and the side wall of the inner frame body 4 are prevented from being rubbed by the installed limiting rings 43, the use reliability is guaranteed, and meanwhile, the abrasion to the side surfaces of the frame body is reduced; a gap is formed between the inner side surface of the outer frame body 1 and the outer side surface of the inner frame body 4, and the inner frame body 4 rotates 360 degrees around the upper shaft hole 11 and the lower shaft hole 12 in the outer frame body 1; the lower shaft body 42 and the lower shaft body 42 can be sleeved with bearings and then are arranged in the upper shaft hole 11 and the lower shaft hole 12, so that the abrasion to the shaft bodies is effectively reduced;

as shown in fig. 3 and 4, the fluted disc 44 fixed on the lower shaft 42 extends into the casing 6, a through hole 61 is formed in one side of the casing 6, meanwhile, the port of the through hole 61 is sealed by an end cover 62, an elastic element 9 is installed between the end cover 62 and the brake block 63, a rib engaged with teeth of the fluted disc 44 is arranged on the brake block 63, the brake block 63 is slidably installed in the through hole 61, the cross section of the through hole 61 is oval or regular polygon, the cross section of the brake block 63 is the same as that of the through hole 61, the brake block 63 installed in the through hole 61 is prevented from rotating, so that the braking effect on the fluted disc cannot be realized, the brake block 63 is pushed by the elastic element 9 to engage with the rib and the teeth of the fluted disc 44, the fluted disc cannot rotate to ensure that the inner frame 4 cannot rotate;

one end of a rotating rod 8 which is rotatably installed is installed in a shaft hole formed in the brake block 63 in a matching manner, a first convex ring 81 formed in the rotating rod 8 is installed at the port of the shaft hole of the brake block 63, the rotating rod 8 is ensured to extend into two fixed parts of the shaft hole of the brake block 63, the other end of the rotating rod is installed in the shaft hole formed in the shell 6 in a matching manner, a gear 82 meshed with the fluted disc 44 is sleeved on the rotating rod 8, the rotating rod 8 is installed in a meshing manner with the rotary disc 71, meanwhile, the rotary disc 71 is positioned between the gear 82 and a second convex ring 83 formed in one side of the gear 82, when the rotating rod 8 is pushed by the rotary disc 71 to move towards the brake block 63, so that the gear 82 installed on the rotating rod 8 is meshed with the fluted disc 44, the rotary disc 71 is fixedly installed on a rotating shaft of a rotating handle 7 which is rotatably installed on the shell 6, the height of the, ensuring that the brake block 63 is completely extended into the housing 6, the brake block 63 is not clamped with the toothed disc 44, the gear 82 is meshed with the toothed disc 44, the outer diameter of the toothed disc 44 is equal to the sum of the height of the brake block 63 or the height of the gear 82 plus the distance between the brake block 63 and the gear 82, the width of teeth of the toothed disc 44 is equal to the height of the brake block 63 or the height of the gear 82, and the depth of the rotating shaft extending into the housing 6 is 1-1.5 times of the height of the brake block 63 or the height of the gear 82;

an elastic element 9 is sleeved on a rotating shaft of the rotating handle 7 positioned outside the shell 6, and the elastic element 9 is a compression spring.

As shown in fig. 4, when the inner frame 4 and the intelligent blackboard 5 mounted on the inner frame 4 need to be rotated, the rotating handle 7 is pressed to make the rotating shaft of the rotating handle 7 extend into the housing 6, and the rotating disc 71 mounted on the rotating shaft pushes the rotating rod 8 to move to one side of the brake block 63, so that the rib provided on the brake block 63 is separated from the teeth provided on the toothed disc 44, the gear 82 mounted on the rotating rod 8 is engaged with the teeth provided on the toothed disc 44, and the rotating handle 7 is rotated to drive the rotating disc 71, the rotating rod 8, the gear 82 and the toothed disc 44 to rotate in sequence to drive the inner frame 4 and the intelligent blackboard 5 mounted on the inner frame 4 to rotate, when the proper position is reached, the rotating handle 7 is released, the brake block 63 is pushed to move to one side of the rotating handle 7 under the action of the elastic element 9, so that the rib provided on the brake block 63 is engaged with the teeth, simultaneously make the tooth that is equipped with on gear 82 of installation and the fluted disc 44 on the dwang 8 break away from, avoid the wisdom blackboard 5 of installation to rotate on interior framework 4 and the interior framework 4, realize the location.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a runing rest of wisdom blackboard, includes outer frame body (1) and interior frame body (4), its characterized in that:

the outer frame body (1) is fixed on the base (3) through the upright posts (2), and two opposite side surfaces of the outer frame body (1) are respectively provided with an upper shaft hole (11) and a lower shaft hole (12);

an intelligent blackboard (5) is installed on the inner side of the inner frame body (4), an upper shaft body (41) matched with the upper shaft hole (11) and a lower shaft body (42) matched with the lower shaft hole (12) are respectively arranged on two opposite side surfaces of the inner frame body (4), and meanwhile, the upper shaft body (41) and the lower shaft body (42) are respectively sleeved with a limiting ring (43);

a fluted disc (44) fixed on the lower shaft body (42) extends into the shell (6), a through hole (61) is formed in one side of the shell (6), a brake block (63) is arranged in the through hole (61) in a sliding mode, meanwhile, the port of the through hole (61) is sealed through an end cover (62), an elastic element (9) is arranged between the end cover (62) and the brake block (63), and convex ridges clamped with teeth of the fluted disc (44) are arranged on the brake block (63);

dwang (8) one end cooperation of rotation installation is installed in the axle hole that brake block (63) was equipped with, and the other end cooperation is installed in the axle hole that casing (6) was equipped with, gear (82) with fluted disc (44) meshing have been cup jointed on dwang (8), dwang (8) and carousel (71) meshing installation, carousel (71) are located simultaneously between gear (82) and the bulge loop two (83) that gear (82) one side was equipped with, carousel (71) fixed mounting rotates the commentaries on classics of installation on casing (6) in the pivot of (7).

2. The rotary stand of an intelligent blackboard according to claim 1, wherein the axes of the upper shaft hole (11) and the lower shaft hole (12) coincide with the central line of the outer frame (1).

3. The rotary stand of an intelligent blackboard according to claim 2, wherein there is a gap between the inner surface of the outer frame (1) and the outer surface of the inner frame (4), and the inner frame (4) rotates 360 ° around the upper shaft hole (11) and the lower shaft hole (12) in the outer frame (1).

4. The rotary stand of an intelligent blackboard according to claim 1, 2 or 3, wherein the cross section of the through hole (61) is oval or regular polygon, and the cross section of the brake block (63) is the same as the cross section of the through hole (61).

5. The rotary stand of an intelligent blackboard according to claim 1, wherein the rotating rod (8) is provided with a first protruding ring (81) installed at the port of the shaft hole of the brake block (63).

6. The rotary stand of an intelligent blackboard according to claim 5, wherein the height of the brake block (63) is the same as that of the gear (82), and the shaft of the handle (7) is extended into the housing (6) by a greater amount than the height of the brake block (63) or the height of the gear (82).

7. The rotary stand of an intelligent blackboard according to claim 6, wherein the elastic element (9) is sleeved on the rotating shaft of the rotating handle (7) located outside the housing (6).

8. The rotary stand of an intelligent blackboard according to claim 7, wherein the elastic element (9) is a compression spring.