White board

Abstract

A white board comprises a support and a panel installed on the support, the support comprises two supporting rods which are arranged in a left-right spaced mode, the panel comprises a board body and frames which are at least fixedly arranged on the left side and the right side of the board body, the two supporting rods are each provided with a first fixing hole site, and the frames on the left side and the right side are each provided with a second fixing hole site. The pre-hanging part comprises a positioning column and a pre-hanging groove, and the positioning column can be connected to the pre-hanging groove; the frames on the left side and the right side are each provided with a positioning column, and the two supporting rods are each provided with a pre-hanging groove. Or the frames on the left side and the right side are each provided with a pre-hanging groove, and the two supporting rods are each provided with a positioning column; after the positioning columns are connected to the pre-hanging grooves in a one-to-one correspondence mode, the first fixing hole positions in the two supporting rods are aligned with the second fixing hole positions in the frames on the left side and the right side in a one-to-one correspondence mode. The white board is more convenient and labor-saving to mount, and is not easy to damage in the mounting process.

Description

Technical Field

[0001] The utility model relates to the technical field of office supplies, in particular to a whiteboard. Background Art

[0002] A whiteboard is a writing tool, which can be divided into electronic whiteboards and non-electronic whiteboards. It plays a very important role in daily work and life, especially in teaching, meetings and other fields. Most traditional whiteboards are directly hung on the wall. This kind of immovable whiteboard is greatly restricted in use, so whiteboards with brackets came into being.

[0003] The Chinese utility model patent with the authorization announcement number CN 209765757 U discloses a whiteboard, the structure of which is as follows: Figure 1 As shown, it includes a bracket 1a and a panel 2a mounted on the bracket 1a, the bracket 1a includes two support rods 3a spaced apart from each other, the panel 2a includes a plate body 4a and a frame 5a fixed around the plate body 4a, as shown in FIG. Figure 2 As shown, a plurality of first fixing holes 6a are arranged at intervals on the two support rods 3a, two second fixing holes 7a matching the first fixing holes 6a are arranged on both sides of the frame 5a, and four fasteners 8a pass through the first fixing holes 6a on the support rods 3a and are locked in the second fixing holes 7a of the frame 5a, thereby fixing the panel 2a on the bracket 1a. The whiteboard can be moved anytime and anywhere, which is convenient for people to discuss and demonstrate in different places.

[0004] However, the existing whiteboard still has the following technical problems: when installing the panel 2a, it is necessary to lift the panel 2a and align it with the holes on the support rod 3a and the frame 5a, which is very cumbersome and laborious, and if you are not careful, it will cause thread misalignment, resulting in violent tightening and damage to the panel 2a. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a whiteboard which is more convenient and labor-saving to install and is not easy to be damaged during the installation process.

[0006] The technical solution of the utility model is: a whiteboard, including a bracket and a panel mounted on the bracket, the bracket including two support rods spaced apart on the left and right sides, the panel including a board body and a frame fixedly arranged at least on the left and right sides of the board body, the two support rods are both provided with a first fixing hole, the frames on the left and right sides are both provided with a second fixing hole, and also includes:

[0007] A pre-positioning structure, comprising a positioning post and a pre-hanging groove, wherein the positioning post can be connected to the pre-hanging groove;

[0008] The frames on the left and right sides are both provided with the positioning posts, and the two support rods are both provided with the pre-hanging grooves; or the frames on the left and right sides are both provided with the pre-hanging grooves, and the two support rods are both provided with the positioning posts;

[0009] When the positioning columns are connected to the pre-hanging grooves one by one, the first fixing holes on the two support rods are aligned one by one with the second fixing holes on the left and right sides of the frames, and fasteners pass through the first fixing holes and the second fixing holes to fix the panel to the bracket.

[0010] After adopting the above structure, the utility model has the following advantages:

[0011] The whiteboard of the utility model is provided with a pre-positioning structure including a positioning column and a pre-hanging groove. When installing the panel, it is only necessary to connect the positioning column to the pre-hanging groove, so that both hands can be freed and there is no need to lift the whiteboard, which is very convenient and labor-saving. At this time, the first fixing hole on the support rod is also aligned with the second fixing hole on the frame, so that the installation hole is quickly positioned. Therefore, it is very easy to screw the fastener into the first fixing hole and the second fixing hole, which further facilitates the installation and is not easy to be damaged during the installation process.

[0012] Preferably, the number of the first fixing holes is set to at least two, which are arranged at intervals on the support rod, and the number of the second fixing holes is consistent with the number of the first fixing holes. When the positioning columns are connected to the pre-hanging grooves one by one, each of the first fixing holes can be aligned with each of the second fixing holes one by one. Providing at least two first fixing holes and second fixing holes can make the panel and the bracket more firmly installed.

[0013] Preferably, it further comprises a hanging piece. When the frames on the left and right sides are both provided with the positioning posts and the two support rods are both provided with the pre-hanging grooves, the hanging piece is fixedly connected to the frame and the positioning posts are fixed on the hanging piece. When the positioning posts are fixed on the frame, by providing the hanging piece on the frame, it is not only convenient to install the positioning posts, but also enables the pre-positioning structure to be produced separately as a module independent of the panel, which is conducive to automated production and modular installation.

[0014] Preferably, it further comprises a hanging piece, and when the frames on the left and right sides are both provided with the pre-hanging grooves and the two support rods are both provided with the positioning columns, the hanging piece is fixedly connected to the support rod and the positioning columns are fixed on the hanging piece. When the positioning columns are fixed on the support rods, by providing the hanging piece on the support rods, it is not only convenient to install the positioning columns, but also enables the pre-positioning structure to be produced separately as a module independent of the support rods, which is conducive to automated production and modular installation.

[0015] Preferably, the frames on the left and right sides are respectively provided with a mounting groove, and the suspension piece is installed in the mounting groove. Installing the suspension piece in the mounting groove can make the structure simpler and more compact.

[0016] Preferably, the inner walls on both sides of the installation groove are provided with stop blocks for stopping the suspension piece. This arrangement can prevent the suspension piece from falling off from the installation groove and fix it more securely.

[0017] Preferably, the fastener and the positioning column are both screws, and the first fixing hole and the second fixing hole are both threaded holes. This arrangement facilitates the fastening of the fastener and the fixing of the positioning column.

[0018] Preferably, both ends of the suspension piece are fixed on the frame, the middle of the suspension piece is arched toward the supporting rod on the corresponding side to form a convex surface, and the second fixing hole and the positioning column are both arranged on the convex surface of the suspension piece. This arrangement can make use of the arched convex surface to deepen the screw-in depth of the fastener and the positioning column, and the locking is more secure.

[0019] Preferably, when the frames on the left and right sides are both provided with the positioning posts, and the two support rods are both provided with the pre-hanging grooves, the pre-hanging grooves are arranged above the first fixing holes, and the upper ends of the pre-hanging grooves are open, so that the positioning posts can be hung on the pre-hanging grooves from top to bottom. This arrangement can conveniently hang the positioning posts on the pre-hanging grooves through the openings, making installation quicker and more labor-saving.

[0020] Preferably, the pre-hanging groove is U-shaped. The U-shaped pre-hanging groove has a simple structure and is easy to process.

[0021] Preferably, the top end of the support rod is detachably connected with an end cap, which can be used to close the opening at the upper end of the pre-hanging groove after the positioning column is hung on the pre-hanging groove, so that the positioning column can be reliably limited in the pre-hanging groove and is not easy to fall off.

[0022] Preferably, the support rod is hollow inside, the pre-hanging groove is arranged on the inner side of the support rod, and the two sides of the frame are fixed between the two support rods by fasteners connected in the first fixing hole and the second fixing hole. This arrangement can hide the pre-positioning structure on the inner side of the support rod, and the structure is more concise and compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural diagram of an existing whiteboard;

[0024] Figure 2 It is a structural schematic diagram of a panel of an existing whiteboard;

[0025] Figure 3 This is a front view of the whiteboard of the utility model;

[0026] Figure 4 It is a side view of the whiteboard of the utility model;

[0027] Figure 5 for Figure 4 Sectional view along AA;

[0028] Figure 6 for Figure 5 A partial enlarged schematic diagram of point B in the middle;

[0029] Figure 7 This is a schematic diagram of the assembly of the support tube and the suspension sheet of the utility model;

[0030] Figure 8 This is a schematic diagram of the structure of the utility model in which the suspension sheet is installed on the frame;

[0031] In the prior art figure: 1a-bracket, 2a-panel, 3a-support rod, 4a-plate body, 5a-frame, 6a-first fixing hole, 7a-second fixing hole, 8a-fastener;

[0032] In the utility model: 1-bracket, 2-panel, 3-support rod, 4-plate body, 5-frame, 6-first fixing hole, 7-second fixing hole, 8-positioning column, 9-pre-hanging groove, 10-fastener, 11-hanging sheet, 12-third fixing hole, 13-installing groove, 14-limiting block, 15-protruding surface, 16-opening, 17-end cap, 18-reinforcement rod, 19-universal wheel assembly. DETAILED DESCRIPTION

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0034] Example:

[0035] like Figure 3-8 As shown, a whiteboard includes a bracket 1 and a panel 2 mounted on the bracket 1, the bracket 1 includes two support rods 3 arranged at intervals on the left and right, in this embodiment, a reinforcing rod 18 is further connected between the two support rods 3, and a universal wheel assembly 19 is further provided at the bottom of the two support rods 3, the panel 2 includes a plate body 4, and a frame 5 fixed at least on the left and right sides of the plate body 4, the two support rods 3 are both provided with a first fixing hole 6, and the frames 5 on the left and right sides are both provided with a second fixing hole 7, and further includes:

[0036] A pre-positioning structure, which includes a positioning column 8 and a pre-hanging groove 9, and the positioning column 8 can be connected to the pre-hanging groove 9;

[0037] The frames 5 on the left and right sides are both provided with positioning posts 8, and the two support rods 3 are both provided with pre-hanging grooves 9; or the frames 5 on the left and right sides are both provided with pre-hanging grooves 9, and the two support rods 3 are both provided with positioning posts 8;

[0038] When the positioning columns 8 are connected to the pre-hanging grooves 9 one by one, the first fixing holes 6 on the two support rods 3 are aligned one by one with the second fixing holes 7 on the left and right sides of the frame 5, and the fasteners 10 pass through the first fixing holes 6 and the second fixing holes 7 to fix the panel 2 to the bracket 1.

[0039] The number of first fixing holes 6 is set to at least two, which are arranged at intervals on the support rod 3. The number of second fixing holes 7 is consistent with the number of first fixing holes 6. When the positioning columns 8 are connected to the pre-hanging grooves 9 one by one, each first fixing hole 6 can be aligned one by one with each second fixing hole 7.

[0040] It also includes a hanging piece 11. When the frames 5 on the left and right sides are provided with positioning columns 8 and the two support rods 3 are provided with pre-hanging grooves 9, the hanging piece 11 is fixedly connected to the frame 5 and the positioning columns 8 are fixed on the hanging piece 11; when the frames 5 on the left and right sides are provided with pre-hanging grooves 9 and the two support rods 3 are provided with positioning columns 8, the hanging piece 11 is fixedly connected to the support rods 3 and the positioning columns 8 are fixed on the hanging piece 11; in this embodiment, the frames 5 on the left and right sides are provided with positioning columns 8, the two support rods 3 are provided with pre-hanging grooves 9, and the hanging piece 11 is fixedly provided on the frame 5.

[0041] The frames 5 on the left and right sides are respectively provided with a mounting groove 13, and the suspension piece 11 is installed in the mounting groove 13. In this embodiment, the mounting groove 13 extends from the position of the upper suspension piece 11 on the corresponding side to the position of the lower suspension piece 11, and the two suspension pieces 11 on the same side are installed in the same mounting groove 13; the inner walls on both sides of the mounting groove 13 are provided with limit blocks 14 for stopping the suspension piece 11.

[0042] The fastener 10 and the positioning column 8 are both screws, and the first fixing hole 6 and the second fixing hole 7 are both threaded holes.

[0043] Both ends of the suspension piece 11 are fixed on the frame 5. In this embodiment, the two ends of the suspension piece 11 are fixed to the frame 5 by screws. The middle part of the suspension piece 11 is arched toward the support rod 3 on the corresponding side to form a convex surface 15, and the second fixing hole 7 and the positioning column 8 are both arranged on the convex surface 15 of the suspension piece 11.

[0044] The pre-hanging groove 9 is arranged above the first fixing hole 6, and the upper end opening 16 of the pre-hanging groove 9 is used to hang the positioning column 8 from top to bottom on the pre-hanging groove 9; the pre-hanging groove 9 is U-shaped; the top end of the support rod 3 is detachably connected with an end cap 17.

[0045] The support rod 3 is hollow inside, and the pre-hanging groove 9 is arranged on the inner side of the support rod 3 . Both sides of the frame 5 are fixed between the two support rods 3 by fasteners 10 connected in the first fixing hole 6 and the second fixing hole 7 .

[0046] In this embodiment, each support rod 3 is provided with two first fixing holes 6, and the two support rods 3 are provided with four first fixing holes 6 in total. The two first fixing holes 6 on the same support rod 3 are arranged at intervals up and down, and the pre-hanging groove 9 is close to the first fixing hole 6 at the upper end, and the frames 5 on the left and right sides are respectively fixed with a hanging piece 11 at the first fixing hole 6 at the lower end, and the four second fixing holes 7 are respectively arranged on the four hanging pieces 11, and each hanging piece 11 is also provided with a third fixing hole 12, and the third fixing hole 12 is also a threaded hole. The second fixing hole 7 and the third fixing hole 12 are both arranged on the convex surface 15 of the hanging piece 11, and the third fixing hole 12 on the same hanging piece 11 is located at Above the second fixing hole 7, two positioning columns 8 are respectively installed in the third fixing holes 12 of the two upper suspension plates 11. This arrangement can not only utilize the third fixing holes 12 on the suspension plate 11 to install the positioning columns 8, but also form the second fixing holes 7 on the suspension plate 11, which has strong structural reusability and a simpler structure; and installing the positioning columns 8 through the third fixing holes 12 is more versatile than directly fixing the positioning columns 8 on the suspension plate 11, because the suspension plate 11 can be installed as a universal connecting piece at the positions corresponding to the four first fixing holes 6, and it is only necessary to install the positioning columns 8 on the upper suspension plate 11, while the positioning columns 8 are not installed on the lower suspension plate 11.

[0047] The installation process of the whiteboard in this embodiment is as follows:

[0048] (1) Installation of the bracket 1: Assemble the support rod 3, the reinforcing rod 18 and the universal wheel assembly 19 into the bracket 1;

[0049] (2) Installation of the suspension pieces 11: Four suspension pieces 11 are installed in the installation grooves 13 on both sides of the panel 2, and positioning columns 8 are installed on the two suspension pieces 11 at the upper ends;

[0050] (3) Pre-positioning the panel 2 on the bracket 1: first remove the end cap 17 at the top of the support rod 3, lift the panel 2 and hang the positioning column 8 on the pre-hanging groove 9 of the support rod 3 from top to bottom. When the positioning column 8 is installed in place on the pre-hanging groove 9, the four first fixing holes 6 on the two support rods 3 are also aligned with the four second fixing holes 7 on both sides of the frame 5. After that, there is no need to lift the panel 2 anymore, but the panel 2 is hung on the support rod 3 by its own gravity to keep the first fixing holes 6 aligned with the second fixing holes 7;

[0051] (4) Fixing the panel 2 to the bracket 1: Reinstall the end cap 17 on the support rod 3, and lock the fastener 10 on the first fixing hole 6 and the second fixing hole 7, so as to complete the fixing of the panel 2 to the bracket 1.

Claims

1. A whiteboard, comprising a bracket (1) and a panel (2) mounted on the bracket (1), wherein the bracket (1) comprises two support rods (3) spaced apart from each other on the left and right sides, the panel (2) comprises a board body (4) and a frame (5) fixedly mounted on at least two left and right sides of the board body (4), the two support rods (3) are each provided with a first fixing hole (6), and the frames (5) on the left and right sides are each provided with a second fixing hole (7), characterized in that: Also includes: A pre-positioning structure, comprising a positioning column (8) and a pre-hanging groove (9), wherein the positioning column (8) can be connected to the pre-hanging groove (9); The frames (5) on the left and right sides are both provided with the positioning posts (8), and the two support rods (3) are both provided with the pre-hanging grooves (9); or the frames (5) on the left and right sides are both provided with the pre-hanging grooves (9), and the two support rods (3) are both provided with the positioning posts (8); When the positioning columns (8) are connected to the pre-hanging grooves (9) one by one, the first fixing holes (6) on the two support rods (3) are aligned one by one with the second fixing holes (7) on the left and right sides of the frame (5), and the fasteners (10) pass through the first fixing holes (6) and the second fixing holes (7) to fix the panel (2) and the bracket (1).

2. A whiteboard according to claim 1, characterized in that: The number of the first fixing holes (6) is set to at least two, which are arranged at intervals on the support rod (3); the number of the second fixing holes (7) is consistent with the number of the first fixing holes (6); when the positioning columns (8) are connected to the pre-hanging grooves (9) one by one, each of the first fixing holes (6) can be aligned with each of the second fixing holes (7) one by one.

3. A whiteboard according to claim 1, characterized in that: It also comprises a hanging piece (11). When the frames (5) on the left and right sides are both provided with the positioning columns (8) and the two support rods (3) are both provided with the pre-hanging grooves (9), the hanging piece (11) is fixedly connected to the frame (5) and the positioning columns (8) are fixed on the hanging piece (11).

4. A whiteboard according to claim 1, characterized in that: It also comprises a hanging piece (11). When the frames (5) on the left and right sides are both provided with the pre-hanging grooves (9) and the two support rods (3) are both provided with the positioning columns (8), the hanging piece (11) is fixedly connected to the support rods (3) and the positioning columns (8) are fixed on the hanging piece (11).

5. A whiteboard according to claim 3, characterized in that: The frames (5) on the left and right sides are respectively provided with a mounting groove (13), and the suspension piece (11) is mounted in the mounting groove (13).

6. A whiteboard according to claim 5, characterized in that: Limiting blocks (14) for stopping the hanging piece (11) are provided on the inner walls on both sides of the installation groove (13).

7. A whiteboard according to claim 1, characterized in that: The fastener (10) and the positioning column (8) are both screws, and the first fixing hole (6) and the second fixing hole (7) are both threaded holes.

8. A whiteboard according to claim 3, characterized in that: Both ends of the suspension piece (11) are fixed on the frame (5), the middle part of the suspension piece (11) is arched toward the supporting rod (3) on the corresponding side to form a convex surface (15), and the second fixing hole (7) and the positioning column (8) are both arranged on the convex surface (15) of the suspension piece (11).

9. A whiteboard according to claim 1, characterized in that: When the frames (5) on the left and right sides are both provided with the positioning columns (8) and the two support rods (3) are both provided with the pre-hanging grooves (9), the pre-hanging grooves (9) are arranged above the first fixing holes (6), and the upper end opening (16) of the pre-hanging grooves (9) is used to allow the positioning columns (8) to be hung from top to bottom on the pre-hanging grooves (9).

10. A whiteboard according to claim 1, characterized in that: The pre-hanging groove (9) is U-shaped.

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