CN219523503U

CN219523503U - Intelligent blackboard

Info

Publication number: CN219523503U
Application number: CN202223593957.0U
Authority: CN
Inventors: 谭景焕
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-08-15
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of blackboards, and discloses an intelligent blackboard which comprises a base, a mounting seat, a blackboard body, a connecting block and a first connecting piece; the connecting block is provided with a first connecting hole, and the base is provided with a second connecting hole; the blackboard body is arranged on the mounting seat, a clamping groove is formed in the mounting seat, the connecting block is arranged in the clamping groove, and the first connecting piece penetrates through the first connecting hole and the second connecting hole to fix the base, the connecting block and the mounting seat. The connecting block is adopted to replace the screw and other structures to be contacted with the mounting seat, so that the contact area is greatly increased, the connection strength between the mounting seat and the base is improved, and the mounting and dismounting are convenient.

Description

Intelligent blackboard

Technical Field

The disclosure relates to the technical field of blackboards, in particular to an intelligent blackboard.

Background

In the prior art, the blackboard is arranged on the frame, the frame and the backboard are directly connected by adopting structures such as screws, the contact areas of the screws, the frame and the backboard are not large, and the problem of low connection strength is easily caused. Especially, when the frame and the backboard are made of plastic materials, the frame is easy to tear.

Disclosure of Invention

The utility model provides an intelligent blackboard to solve the technical problem that the frame is easy to tear among the prior art.

In order to solve the technical problems, the present disclosure provides a smart blackboard, including a base, a mounting seat, a blackboard body, a connecting block and a first connecting piece;

the connecting block is provided with a first connecting hole, and the base is provided with a second connecting hole;

the blackboard body is arranged on the mounting seat, a clamping groove is formed in the mounting seat, the connecting block is arranged in the clamping groove, and the first connecting piece penetrates through the first connecting hole and the second connecting hole to fix the base, the connecting block and the mounting seat.

Optionally, the blackboard body is arranged on one surface of the mounting seat, a clearance groove is formed in the other surface of the mounting seat, and the clamping groove is formed in the side wall of the clearance groove.

Optionally, the mounting base comprises a pre-tightening rib, and the pre-tightening rib is arranged on the side wall of the clamping groove far away from the blackboard body.

Optionally, a clearance groove is formed in the side wall, close to the blackboard body, of the clamping groove.

Optionally, the clearance groove includes a notch, the notch is communicated with the clamping groove, and the connecting block is located in the notch.

Optionally, the connecting block includes continuous first connecting portion and first spacing portion, first connecting hole is established on the first connecting portion, the middle part of first connecting portion with first spacing portion is located in the breach, the both ends of first connecting portion respectively towards the draw-in groove of breach both sides extends, first spacing portion is located first connecting portion is kept away from one side of blackboard body.

Optionally, a preset distance is provided between the first limiting portion and the side wall of the notch.

Optionally, the smart blackboard further comprises a second connector;

the second connecting piece comprises a fixing part, a second limiting part and a second connecting part which are sequentially connected, the width of the fixing part, the width of the second limiting part and the width of the second connecting part are sequentially reduced, and steps are sequentially formed among the fixing part, the second limiting part and the second connecting part;

the mounting seat further comprises a first frame and a second frame, the first frame comprises a first frame main body and a first connecting plate, the first connecting plate is arranged on the first frame main body, and a third connecting hole is formed in the first connecting plate;

the second frame comprises a second frame body and a second connecting plate, a fourth connecting hole is formed in the second connecting plate, the second connecting plate is arranged on the second frame body, and the thickness of the second connecting plate is smaller than the height of the second limiting part;

the second connecting part is connected in the third connecting hole, the width of the second connecting part is larger than the aperture of the fourth connecting hole, and the second limiting part is positioned in the fourth connecting hole;

the blackboard body and the clamping groove are arranged on the second frame main body.

Optionally, the mounting seat further comprises two third frames, and the number of the first frames and the number of the second frames are two;

the two second frames and the two third frames are sequentially connected to form a quadrilateral frame, the two second frames are opposite, and the two third frames are opposite;

the two first frame bodies are positioned at one side of the two second frame bodies far away from the center of the quadrilateral frame;

a fixing groove is formed between the second connecting plate and the second frame main body, and the first connecting plate is arranged in the fixing groove.

Optionally, the fourth connection hole is a bar hole.

Compared with the prior art, during the installation, place the connecting block in the draw-in groove, the connecting block is placed in the draw-in groove, then aligns the back of base and mount pad, connects first connecting piece simultaneously in first connecting hole and second connecting hole, and finally, through the taut connecting block of first connecting piece and the distance of base to make the connecting block compress tightly on the lateral wall of draw-in groove, base, connecting block and mount pad have realized connecting fixedly. The connecting block is adopted to replace the screw and other structures to be contacted with the mounting seat, so that the contact area is greatly increased, the connection strength between the mounting seat and the base is improved, and the mounting and dismounting are convenient.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to scale, unless expressly stated otherwise.

Fig. 1 is a schematic structural diagram of an intelligent blackboard according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a smart blackboard in an embodiment of the present disclosure;

fig. 3 is an enlarged view of the portion a identified in fig. 2;

FIG. 4 is a first partial cross-sectional view of a smart blackboard in an embodiment of the present disclosure;

FIG. 5 is a partial exploded view of a smart blackboard in an embodiment of the present disclosure;

FIG. 6 is an enlarged view of portion B of FIG. 5;

FIG. 7 is a second partial cross-sectional view of the intelligent blackboard in an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a mounting base according to an embodiment of the disclosure.

Detailed Description

In order to facilitate an understanding of the present disclosure, the present disclosure is described in more detail below in conjunction with the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like are used in this specification for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used in the description of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Furthermore, the terms first, second, third and the like in the description and in the claims, are used for descriptive purposes only and are not necessarily for describing relative importance or to indicate the number of features indicated or the order or timing of the description. The terms are interchangeable where appropriate. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Similarly, the terms "fixed," "connected," and "connected" are used throughout the description and claims and should not be construed as limited to a direct connection. Thus, the expression "device a is connected to device B" should not be limited to devices or systems in which device a is directly connected to device B, meaning that there is a path between device a and device B, which may be a path that includes other devices or tools.

In addition, the technical features referred to in the different embodiments of the present disclosure described below may be combined with each other as long as they do not make a conflict with each other.

Referring to fig. 1 to 3, the smart blackboard 100 includes a base 10, a mounting base 20, and a blackboard body 30, wherein the mounting base 20 includes two first frames 24, two second frames 25, and two third frames 26, the two first frames 24 and the two third frames 26 are sequentially connected to form a quadrilateral frame, the two first frames 24 are opposite, and the two third frames 26 are opposite; the two second frames 25 are respectively connected to the first frames 24, and the first frames 24 are located at the inner sides of the quadrangular frames. The blackboard body 30 may be a writing blackboard, a touch screen blackboard, or the like. The blackboard body 30 can be connected to the first frame 24 and the second frame 25 through double faced adhesive tape, the base 10 is connected to the second frame 25 and the third frame 26 through screws, the blackboard body 30 is located on the front face of the quadrangular frame, the base 10 is located on the back face of the quadrangular frame, and the second frame 25 and the third frame 26 can be made of materials such as plastics. When the frame is arranged in this way, the contact areas of the second frame 25, the third frame 26, the screws and the like are smaller, the stress area is small, and the second frame 25 and the third frame 26 are easy to tear.

In order to solve the problem of easy tearing of the second frame 25 and the third frame 26, in one embodiment, please continue to refer to fig. 1 to 3, a smart blackboard 100 includes a base 10, a mounting base 20, a blackboard body 30, a connecting block 40 and a first connecting member 50; the connecting block 40 is provided with a first connecting hole 42, and the base 10 is provided with a second connecting hole 12; the blackboard body 30 is arranged on the mounting seat 20, the mounting seat 20 is provided with a clamping groove 21, the connecting block 40 is arranged in the clamping groove 21, and the first connecting piece 50 is arranged in the first connecting hole 42 and the second connecting hole 12 in a penetrating way so as to fix the base 10, the connecting block 40 and the mounting seat 20.

In the smart blackboard 100 of this embodiment, the blackboard body 30 and the mounting base 20 may be connected by an adhesive manner, or may be connected by a threaded connection or the like.

During installation, the connecting block 40 is placed in the clamping groove 21, then the back surfaces of the base 10 and the mounting seat 20 are aligned, the first connecting piece 50 is connected in the first connecting hole 42 and the second connecting hole 12 at the same time, and finally, the distance between the connecting block 40 and the base 10 is tensioned through the first connecting piece 50, so that the connecting block 40 is pressed on the side wall of the clamping groove 21, and the base 10, the connecting block 40 and the mounting seat 20 are connected and fixed. Compared with the prior art, the connecting block 40 is adopted to replace structures such as screws and the like to contact the mounting seat 20, so that the contact area is greatly increased, the connection strength between the mounting seat 20 and the base 10 is improved, and the mounting and dismounting are convenient.

Wherein assembly between the blackboard body 30 and the mount 20 can be before or after the attachment of the connection block 40. The first coupling member 50 may be a screw, a pin, a rivet, etc., and the first and second coupling holes 42 and 12 may be screw holes, pin holes, through holes, rivet holes, etc. In a specific embodiment, the first connecting hole 42 is a threaded hole, and the second connecting hole 12 is a through hole.

Referring to fig. 4 to 6, in an embodiment, the blackboard body 30 is disposed on one surface of the mounting base 20, the other surface of the mounting base 20 is provided with a clearance groove 22, and the clamping groove 21 is disposed on a sidewall of the clearance groove 22. The blackboard body 30 is installed on the front surface of the installation base 20. The clearance groove 22 is located at the back of the mounting base 20, the base 10 is mounted at the back of the mounting base 20, the base 10 is used to hang on a wall, or the base 10 may be placed on a desk. The avoidance groove 22 is used for providing a position for the clamping groove 21, namely, is equivalent to recessing the back surface of the mounting seat 20, so that the clamping groove 21 is positioned on the side wall of the avoidance groove 22, and the thickness or the height of the mounting seat 20 is reduced.

In one embodiment, the mounting base 20 includes a pre-tightening rib 23, and the pre-tightening rib 23 is disposed on a side wall of the clamping groove 21 away from the blackboard body 30. During installation, due to the fact that the pre-tightening ribs 23 are arranged, the connecting block 40 can be clamped in the clamping groove 21, one face of the connecting block 40 is in contact with the pre-tightening ribs 23, and the other face of the connecting block 40 is in contact with the side wall, close to the blackboard body 30, of the clamping groove 21, so that interference fit can be adopted between the connecting block 40 and the pre-tightening ribs 23. After the connection block 40 is placed in the card slot 21, the connection block 40 can be preliminarily fixed, facilitating the installation of the first connection member 50. In a specific embodiment, the pre-tightening rib 23 is in a strip shape, and the pre-tightening rib 23 is disposed along the length direction of the clamping groove 21. The surface of the pretension rib 23, which is close to the connecting block 40, is an arc surface, so that the connecting block 40 is conveniently placed into the clamping groove 21, and the connecting block 40 is conveniently fixed.

In one embodiment, the side wall of the clamping groove 21, which is close to the blackboard body 30, is provided with a clearance groove 212. After the first connecting piece 50 passes through the connecting block 40, the clearance groove 212 can make the travel of the first connecting piece 50 larger, ensure the connection strength between the first connecting piece 50 and the connecting block 40, and also ensure that the connecting block 40 can sufficiently compress the side wall of the clamping groove 21, so as to improve the connection strength between the mounting seat 20 and the base 10.

In one embodiment, the avoidance slot 22 includes a notch 222, the notch 222 communicates with the slot 21, and the connection block 40 is located in the notch 222. After the connection block 40 is located in the notch 222, the first connection piece 50 can extend to the notch 222 to connect with the connection block 40, the acting force point between the first connection piece 50 and the connection block 40 is located in the middle of the connection block 40, two ends of the connection block 40 are located in the clamping groove 21, and the stress between the connection block 40 and the mounting seat 20 is more balanced and stable.

In an embodiment, the connection block 40 includes a first connection portion 44 and a first limiting portion 46 connected to each other, the first connection hole 42 is disposed on the first connection portion 44, the middle portion of the first connection portion 44 and the first limiting portion 46 are located in the notch 222, two ends of the first connection portion 44 extend toward the clamping grooves 21 on two sides of the notch 222, and the first limiting portion 46 is located on a side of the first connection portion 44 away from the blackboard body 30.

The notch 222 has a limiting function on the first limiting portion 46 and the first connecting portion 44, and can prevent the connecting block 40 from being separated from a predetermined mounting position. Wherein, the first connecting portion 44 and the first limiting portion 46 may be integrally formed, and when the first limiting portion 46 is located in the notch 222, the first connecting portion 44 and the first limiting portion 46 are both plate structures, and an included angle of 90 ° may be formed between the first connecting portion 44 and the first limiting portion 46. The first limiting portion 46 extends toward a side away from the blackboard body 30, and an end surface of an end of the first limiting portion 46 away from the blackboard body 30 is lower than a surface of the mounting base 20. When the first connecting member 50 tightens the first connecting portion 44, interference between the first limiting portion 46 and the base 10 can be avoided.

Because the mounting base 20 and the base 10 are generally made of plastic, cracking and the like are easy to occur when thermal expansion and cold contraction occur. In an embodiment, a preset distance is provided between the first limiting portion 46 and the side wall of the notch 222, and the preset distance can be set by user-defined according to the requirement of the user. After thermal expansion and cold contraction are generated between the first limiting part 46 and the mounting seat 20, the cracking of the mounting seat 20 and the first limiting part 46 can be avoided.

Referring to fig. 5 to 8, in one embodiment, the smart blackboard 100 further includes a second connector 60; the second connecting piece 60 includes a fixing portion 62, a second limiting portion 64 and a second connecting portion 66 connected in sequence, the width of the fixing portion 62, the width of the second limiting portion 64 and the width of the second connecting portion 66 become smaller in sequence, and steps are formed among the fixing portion 62, the second limiting portion 64 and the second connecting portion 66 in sequence; the first frame 24 includes a first frame body 242 and a first connecting plate 244, the first connecting plate 244 is disposed on the first frame body 242, and a third connecting hole 2442 is formed on the first connecting plate 244; the second frame 25 includes a second frame main body 252 and a second connecting plate 254, the second connecting plate 254 is provided with a fourth connecting hole 2542, the second connecting plate 254 is provided on the second frame main body 252, and the thickness of the second connecting plate 254 is smaller than the height of the second limiting portion 64; the second connecting portion 66 is connected in the third connecting hole 2442, the width of the second connecting portion 66 is larger than the aperture of the fourth connecting hole 2542, and the second limiting portion 64 is located in the fourth connecting hole 2542; the blackboard body 30 and the card slot 21 are provided on the second frame body 252.

The fixing portion 62 is used to press against the second connecting plate 254. The second limiting portion 64 and the second connecting portion 66 can pass through the third connecting hole 2442, the second connecting portion 66 can be connected in the fourth connecting hole 2542, and since the width of the second limiting portion 64 is larger than the aperture of the fourth connecting hole 2542, the second limiting portion 64 can be propped between the fixing portion 62 and the first connecting plate 244, so that a reserved space is formed between the fixing portion 62 and the first connecting plate 244, and the height of the reserved space is the height of the second limiting portion 64. Moreover, since the thickness of the second connecting plate 254 is smaller than the height of the second limiting portion 64, the second connecting plate 254 has a certain movable space in the reserved space, and the reserved space can adapt to thermal expansion and contraction of the second connecting plate 254, so that the second connecting plate 254 and the first connecting portion 44 are prevented from being torn.

The second connecting member 60 may be made of metal, the third connecting hole 2442 may be a threaded hole, a pin hole, a rivet hole, the fourth connecting hole 2542 may be a through hole, the second connecting portion 66 may be a screw, a pin, a rivet, the fixing portion 62 may be a nut head, a pin head, a rivet head, or the like. For example, in one embodiment, the fixing portion 62 is a nut head, the second limiting portion 64 is a shaft, and the second connecting portion 66 is a screw, wherein the diameter of the nut head, the diameter of the shaft, and the diameter of the screw become smaller in order.

The steps formed in sequence between the fixing portion 62, the second limiting portion 64 and the second connecting portion 66 are to ensure that a stable reserved space is formed, which is not changed with the connection of the second connecting portion 66 and the third connecting hole 2442.

The space formed between the second frame 25 and the third frame 26 is the avoidance slot 22, and the third frame 26 and the first frame 24 can be connected by adopting a connecting piece such as angle aluminum, so as to enhance the connection strength. The blackboard body 30 may have a square shape, and four sides of the blackboard body 30 may be adhered to the front surfaces of the second and third frames 25 and 26 by glue or the like. The base 10 may be square, and the base 10 may be connected to the rear surfaces of the second frame 25 and the third frame 26, so that a stable installation structure can be formed, and support and fixation of the blackboard body 30 can be achieved.

In an embodiment, a fixing groove 256 is formed between the second connecting plate 254 and the second frame body 252, the first connecting plate 244 is disposed in the fixing groove 256, and the fixing groove 256 has a limiting and fixing effect on the first connecting plate 244, so that the connection between the mounting base 20 and the base 10 is firmer. Wherein, the first frame 24, the second frame 25 and the third frame 26 can also be supported by profiles, the first frame 24 can be made of aluminum profiles, and the second frame 25 and the third frame 26 can be made of aluminum profiles ^{Extrusion molding} The profile is made of high connection strength, low cost and small weight.

In order to avoid tearing when the second connecting plate 254 expands with heat and contracts with cold, in an embodiment, the fourth connecting hole 2542 is a bar-shaped hole, which can adapt to the change when the second connecting plate 254 expands with heat and contracts with cold. Meanwhile, the relative positions of the first connecting plate 244 and the second connecting plate 254 can be adjusted through the strip-shaped holes, and the adjustment is convenient.

Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present disclosure, and are not limiting thereof; the technical features of the above embodiments or in different embodiments may also be combined under the idea of the present disclosure, the steps may be implemented in any order, and there are many other variations of the different aspects of the present disclosure as described above, which are not provided in details for the sake of brevity; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in each embodiment can be modified or part of the technical features can be replaced equivalently; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of each embodiment of the present disclosure.

Claims

1. An intelligent blackboard is characterized by comprising a base, a mounting seat, a blackboard body, a connecting block and a first connecting piece;

2. The intelligent blackboard according to claim 1, wherein the blackboard body is arranged on one surface of the mounting seat, a clearance groove is formed in the other surface of the mounting seat, and the clamping groove is formed in the side wall of the clearance groove.

3. The intelligent blackboard according to claim 2, wherein the mounting base includes a pre-tightening rib provided on a side wall of the clamping groove away from the blackboard body.

4. The intelligent blackboard according to claim 2, wherein the side wall of the clamping groove, which is close to the blackboard body, is provided with a clearance groove.

5. The smart blackboard according to claim 2, wherein the clearance slot includes a notch, the notch communicates with the card slot, and the connection block is located in the notch.

6. The intelligent blackboard according to claim 5, wherein the connecting block includes a first connecting portion and a first limiting portion, the first connecting hole is formed in the first connecting portion, the middle portion of the first connecting portion and the first limiting portion are located in the notch, two ends of the first connecting portion extend toward the clamping grooves on two sides of the notch respectively, and the first limiting portion is located on one side, away from the blackboard body, of the first connecting portion.

7. The intelligent blackboard according to claim 6, wherein the first limiting portion and the side wall of the notch have a predetermined distance therebetween.

8. The smart blackboard according to any one of claims 1 to 7, further comprising a second connector;

9. The intelligent blackboard according to claim 8, wherein the mounting base further comprises two third frames, and the number of the first frames and the number of the second frames are two;

10. The smart blackboard according to claim 8, wherein the fourth connection hole is a bar hole.