CN111452539A

CN111452539A - White board of multipurpose

Info

Publication number: CN111452539A
Application number: CN202010459103.XA
Authority: CN
Inventors: 魏东阳
Original assignee: Xiamen Sheng Cheng Xin New Material Technology Co ltd
Current assignee: Xiamen Sheng Cheng Xin New Material Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-07-28
Anticipated expiration: 2040-05-27
Also published as: CN111452539B

Abstract

The utility model provides a blank of multipurpose, its includes unable adjustment base, dead lever, swing joint device, fixed mounting bracket and blank, the blank install on fixed mounting bracket, swing joint device including swing piece, first articulated shaft and second articulated shaft, the one end of dead lever be connected with the swing piece through first articulated shaft and second articulated shaft, its other end sets firmly on unable adjustment base, through the locking degree of adjusting the second articulated shaft, the contained angle between adjustment dead lever and the fixed mounting bracket makes fixed mounting bracket can follow vertical state rotation to horizontality.

Description

White board of multipurpose

Technical Field

The invention relates to the technical field of stationery, in particular to a multipurpose white board.

Background

In daily work and study, auxiliary tools such as a whiteboard and the like are often needed for explaining or discussing, however, the whiteboard in life is usually fixed on the wall, and the whiteboard can be fixed only at a specific position, which is inconvenient when the whiteboard needs to be angularly adjusted or moved, in the prior art, there is a movable whiteboard, as described in patent No. CN103465691A, however, although this whiteboard is capable of fore-and-aft angular adjustment, it can only be rotated about the mounting, sometimes not when it is desired to place the whiteboard in question on a flat surface, it is also sometimes desirable to rotate the point of origin after the item in question has been secured to the whiteboard, to view it at different angles, therefore, a whiteboard which can be placed in either a vertical state or a planar state while having a function of rotating around a point is desired.

In view of the above, the present inventors newly designed a new whiteboard.

Disclosure of Invention

The invention aims to provide a multipurpose whiteboard which can be rotated at different angles and can be used as a simple placing table.

In order to achieve the purpose of the invention, the invention discloses a multipurpose white board, which comprises a fixed base, a fixed rod, a movable connecting device, a fixed mounting frame and a white board, wherein the white board is arranged on the fixed mounting frame, the movable connecting device comprises a swinging block, a first hinged shaft and a second hinged shaft, the swinging block is at least provided with a bottom surface fixedly connected with the fixed mounting frame and a side surface connected with the fixed rod, the side surface of the swinging block is provided with an arc-shaped hollow part and a hinged hole, the hinged hole is positioned at the position of the opposite circle center of the arc-shaped hollow part, the radian of the arc-shaped hollow part is 90 degrees, one end of the fixed rod is connected with the swinging block through the first hinged shaft and the second hinged shaft, the other end of the fixed rod is fixedly arranged on the fixed base, the first hinged shaft is arranged in the hinged hole in a penetrating way, the second articulated shaft in the arc fretwork portion have locking effect, ensure through locking effect that the second articulated shaft can set firmly the optional position in the arc fretwork portion, the mutual rigid coupling in bottom surface of fixed mounting frame and swing piece, through the locking degree of adjusting the second articulated shaft, the contained angle between adjustment dead lever and the fixed mounting frame makes fixed mounting frame can follow vertical state rotation to horizontality.

Adopt above-mentioned structure, through changing the position of second articulated shaft in arc fretwork portion for swing piece can change its angle, make also can rotation angle with the fixed mounting bracket of swing piece rigid coupling, this kind of structure makes when fixed mounting bracket is rotatory to the horizontality, whole whiteboard device can be as simply placing the platform.

Preferably, the swing block is provided with two side surfaces which are contacted with the fixing rod and a bottom surface which is used for being connected with the fixed mounting frame, the cross section of the swing block is U-shaped, the two side surfaces are provided with arc-shaped hollow parts and hinge holes, and the fixing rod is arranged between the two side surfaces in a penetrating mode.

By adopting the structure, the side surfaces of the swinging block are arranged into two, so that the swinging block is more stably connected with the fixed rod and has higher strength.

Furthermore, the one end of the arc fretwork portion of the side of swing piece on have the portion of colluding that upwards colludes, collude the portion direction and towards the hinge hole, the hinge hole on have with colluding the length extension section of the same direction of portion, the midpoint of hinge hole extension section is perpendicular to the blank with being connected of the midpoint of portion of colluding.

The hook part hooked upwards is additionally arranged on the arc-shaped hollow part, so that when the fixed mounting frame rotates to a horizontal state, the hinge shaft can enter the hook part, the hinge shaft is better stabilized in the horizontal state, and the position of the hinge shaft cannot be changed easily.

Further, the second articulated shaft on include a bolt, a nut and two knobs, the knob in the middle of have polygonal heavy groove and a passageway, heavy groove be used for placing the head and the nut of bolt, the passageway be used for wearing to establish the pole portion of bolt, the pole portion of bolt pass the knob, change the locking degree between bolt and the nut through rotatory knob for the second articulated shaft can be fixed in the optional position of arc fretwork portion.

The second hinge shaft with the locking function is adopted, so that the second hinge shaft can fix the connection between the swinging block and the fixing rod, and meanwhile, the second hinge shaft can be fixed at any position in the arc-shaped hollow part.

Further, the first hinge shaft has a locking function, and has the same structure as the second hinge shaft.

The first hinge shaft also has a locking effect, so that the connection between the whole swing block and the fixed rod is more fixed.

Preferably, the swing joint device on still include rotor and stationary blade, the rotor on have a convex rotating part and installation department, the rotor pass through the installation department and fix on fixed mounting bracket, the stationary blade fixed with the rotor through the cooperation of a second knob and screw, the swing piece pass through the bottom surface and fix on the stationary blade, through the cooperation between regulation second knob and the screw for the rotating part of rotor can use the second knob to rotate as the fulcrum on the stationary blade.

Adopt above-mentioned structure, through adding a rotor plate for through the locking degree between adjustment knob and the screw, make the rotor plate rotate, can change whole whiteboard device's angle.

Furthermore, a plurality of limiting points protruding towards the fixed sheet are arranged on the rotating part of the rotating sheet, a corresponding limiting hole is arranged on the fixed sheet, the limiting points can be embedded into the limiting hole,

through the structure, the connection between the rotating sheet and the fixed sheet is more fixed, and the rotating sheet and the fixed sheet cannot move randomly.

Further, the dead lever include lift loop bar and lift connecting rod, the top of lift loop bar be equipped with a lift adjustment knob, the internal surface movable mounting of lift loop bar have a lift connecting rod, the lift connecting rod carry out altitude mixture control through lift adjustment knob.

Further, the outer side of the fixed base is fixedly provided with a roller mounting ring, and the lower surface of the roller mounting ring is rotatably provided with a plurality of movable rollers.

By adopting the structure, the whole whiteboard device not only can adjust the height, but also can move through the roller, and is more convenient.

Further, the white board is made of a honeycomb board.

Through above-mentioned structure for the quality of whole whiteboard is lighter, has lighter weight when putting the platform at the whole whiteboard device of bar, is difficult to make the dead lever unable support because the quality is too heavy.

Compared with the prior art, the whiteboard device has the advantages that through the arrangement structure, the height of the whiteboard device can be adjusted, the display angle can be adjusted, the whiteboard can be converted from the vertical state to the horizontal state through angle adjustment, the whole whiteboard device is used as a simple placing table, the structure is simple, the use range is wide, and multiple use methods are provided.

Drawings

Fig. 1 is a schematic front view of a whiteboard of the present invention in an upright position;

fig. 2 is a schematic front view of a whiteboard of the present invention in a horizontal position;

fig. 3 is a schematic rear view of the whiteboard of the present invention in an upright position;

fig. 4 is an exploded view of the whiteboard of the present invention;

fig. 5 is a schematic view of the whiteboard of the present invention in an upright position, separated therefrom;

FIG. 6 is a schematic view of the rotating plate of the present invention at various angles;

FIG. 7 is a schematic view of the anchor sheet of the present invention from a different angle;

FIG. 8 is a schematic diagram of a wobble block of the present invention;

fig. 9 is a schematic view of the hinge shaft located in the hinge hole and the hollow portion when the whiteboard of the present invention is in a horizontal state;

fig. 10 is a schematic view illustrating the combination and disassembly of the second hinge shaft according to the present invention;

fig. 11 is a schematic view of a knob and a bolt in a second hinge shaft according to the present invention.

Reference numerals

Fixing base 1, fixing rod 2, movable connecting device 3, fixing mounting frame 4 and white board 5

Hook 315 of hinge hole 314 of hollow 313 on bottom 312 of side 311 of swing block 31

First hinge shaft 316 second hinge shaft 317 bolt 3171 nut 3172 knob 3173

Rotating piece 32 and fixing piece 33 and rotating part 321 mounting part 322 second knob 35

Lifting connecting rod 23 of lifting sleeve rod 21 of lifting sleeve rod 333 with limiting point 323 of screw 36

Lifting adjusting knob 22 roller mounting ring 11 moving roller 12 sinking groove 3175

Decorative cover 3174 with convex edge 331 of channel 3176 head 3177 stem 3178

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 5, a multi-purpose whiteboard includes a fixing base 1, a fixing rod 2, a movable connecting device 3, a fixing mounting frame 4 and a whiteboard 5, wherein one end of the fixing rod 2 is fixed on the fixing base 1, the other end of the fixing rod 2 is connected with the movable connecting device 3, the movable connecting device 3 is fixed on the fixing mounting frame 4, the fixing mounting frame 4 is used for mounting the whiteboard 5, the fixing mounting frame 4 is composed of a frame and two middle mounting rods, the movable connecting device 3 is fixed on the mounting rods, the movable connecting device 3 can enable the fixing mounting frame 4 to rotate and move, so that the fixing mounting frame 4 rotates to a horizontal state from a vertical state, the whiteboard 5 is in the vertical state as shown in fig. 3, and the whiteboard 5 is in the horizontal state as shown in fig. 2.

The movable connecting device 3 is shown in fig. 3 and 4, and comprises a swinging block 31, a first hinge shaft 316, a second hinge shaft 317, a fixing plate 33, a rotating plate 32, a second knob 35 and a screw 36, wherein the rotating plate 32 is provided with a protruding rotating part 321 and a mounting part 322, the mounting part 322 is fixed on two mounting rods of the fixed mounting frame 4, the protruding side of the rotating part 321 is used for being connected with one side of the fixing plate 33, the fixing plate 33 and the rotating part 321 are connected through the second knob 35 and the screw 36, the second knob 35 is positioned on the other side of the fixing plate 33, the other side of the fixing plate 33 is fixedly connected with the swinging block 31, the swinging block 31 is provided with two side surfaces 311 and a bottom surface 312, the cross section of the swinging block is U-shaped, the bottom surface 312 is used for being fixedly connected with the fixing plate 33, the lifting connecting rod 23 of the fixing rod 2 is arranged between the two side surfaces 311 in a penetrating manner, the lifting connecting rod 23 is provided with two through holes, the side 311 of the swing block 31 is provided with an arc-shaped hollow part 313 and a hinge hole 314, the hinge hole 314 is located at the position of the relative circle center of the arc-shaped hollow part 313, wherein the radian of the arc-shaped hollow part 313 is 90 degrees, the lifting connecting rod 23 is arranged in the middle of the side 311 of the swing block 31 in a penetrating manner, the lifting connecting rod 23 and the swing block 31 are fixedly connected through a first hinge shaft 316 and a second hinge shaft 317, the first hinge shaft 316 is arranged in the hinge hole 314, the second hinge shaft 317 is arranged in the arc-shaped hollow part 313 in a penetrating manner, the hinge shafts have a locking effect, the second hinge shafts 317 can be fixedly arranged at any position in the arc-shaped hollow part 313 through the locking effect, and the fixing mounting frame 4 rotates along with the rotation of the swing block 31 by changing the position of the second hinge shaft 317 in the arc-shaped hollow part 313, so that the fixed mount 4 can be rotated from a vertical state to a horizontal state.

A roller mounting ring 11 is fixedly mounted on the outer side of the fixed base 1, a plurality of movable rollers 12 are rotatably mounted on the lower surface of the roller mounting ring 11, and the movable rollers 12 are convenient for moving the whole white board 5; the fixing rod 2 comprises a lifting sleeve rod 21 and a lifting connecting rod 23, the top of the lifting sleeve rod 21 is provided with a lifting adjusting knob 22, the inner surface of the lifting sleeve rod 21 is movably provided with the lifting connecting rod 23, and the lifting connecting rod 23 is used for adjusting the height through the lifting adjusting knob 22;

as shown in fig. 6, the rotating piece 32 includes two mounting portions 322 on two sides and a rotating portion 321 in the middle, the mounting portions 322 are T-shaped, which is conveniently connected with the mounting rod on the fixed mounting frame 4, the mounting part 322 is fixed with the mounting rod through a screw 36, the rotating portion 321 protrudes toward the fixed plate 33, the rotating portion 321 further has a plurality of limiting points 323 at different positions, the limit point 323 protrudes toward one side of the fixing piece 33, and as shown in fig. 7, the fixing piece 33 is n-shaped, the side edge of the fixing piece 33 is provided with a convex edge 331, the middle of the fixing piece 33 is also provided with a limit hole 333 corresponding to the position of the limit point 323 on the installation part 322, when the rotating sheet 32 is connected with the fixing sheet 33, the limit point 323 is embedded into the limit hole 333, so that the connection between the fixing sheet 33 and the rotating sheet 32 is more stable; the rotating piece 32 is connected with the fixing piece 33 through a second knob 35 and a screw 36, when the rotating piece is rotated, the locking degree between the rotating piece 32 and the fixing piece 33 is controlled through the second knob 35, the locking between the second knob 35 and the screw 36 is loosened, the limiting point 323 is moved out of the limiting hole 333, the rotating piece 32 can rotate by taking the second knob 35 as a circle center, the rotating part 321 of the rotating piece 32 rotates on the fixing piece 33, the locking is carried out again after the required angle is reached, and at the moment, the limiting point 323 is embedded into the limiting hole 333 again.

As shown in fig. 8, the side surface 311 of the swing block 31 is fan-shaped, the side surface 311 has an arc-shaped hollow portion 313 and a hinge hole 314, the hinge hole 314 is located at the opposite circle center of the arc-shaped hollow portion 313, one end of the arc-shaped hollow portion 313 has an upward hooked hook portion 315, the hook portion 315 is oriented toward the hinge hole 314, and the hinge hole 314 has a length extension portion in the same direction as the hook portion 315, wherein the connection between the midpoint of the length extension portion and the midpoint of the hook portion 315 is perpendicular to the whiteboard 5, so that when the whiteboard 5 rotates from the vertical state to the horizontal state, the second hinge shaft 317 moves upward into the hook portion 315, the first hinge shaft 316 also moves upward into the length extension portion of the hinge hole 314, so that when the whiteboard 5 is in the horizontal state, the first hinge shaft 316 and the second hinge shaft 317 are free to move, the whiteboard 5 is more stably positioned in a horizontal state as shown in fig. 9, and when the whiteboard 5 is positioned in the horizontal state, the first hinge shaft 316 is positioned in the length extension of the hinge hole 314, and the second hinge shaft 317 is positioned in the hook 315.

The second hinge shaft 317 is as shown in fig. 10 and 11, the second hinge shaft 317 includes a bolt 3171, a nut 3172, two knobs 3173 and two decoration covers 3174, a polygonal sinking groove 3175 and a channel 3176 are formed in the middle of the knob 3173, the sinking groove 3175 is used for placing a head 3177 of the bolt 3171 and the nut 3172, the channel 3176 is used for penetrating a rod 3178 of the bolt 3171, the rod 3178 of the bolt 3171 passes through the knob 3173, the decoration covers 3174 are mounted on the surface of the knob 3173, the locking degree between the bolt 3171 and the nut 3172 is changed by rotating the knob 3173, so that the second hinge shaft 317 can be fixed at any position of the arc-shaped hollow portion 313, and the first hinge shaft 316 has the same structure as the second hinge shaft 317.

Through the structural design, the height of the whiteboard can be adjusted, the whiteboard can be rotated by an angle, the whiteboard can be converted into a simple placing table for use, the structure is simple, and the application range is wide.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A multi-purpose whiteboard (5) is characterized by comprising a fixed base (1), a fixed rod (2), a movable connecting device (3), a fixed mounting rack (4) and a whiteboard (5); the white board (5) is arranged on the fixed mounting frame (4); the movable connecting device (3) comprises a swinging block (31), a first hinge shaft (316) and a second hinge shaft (317), the swinging block (31) is at least provided with a bottom surface (312) fixedly connected with the fixed mounting frame (4) and a side surface (311) connected with the fixed rod (2), the side surface (311) of the swinging block (31) is provided with an arc-shaped hollow-out part (313) and a hinge hole (314), the hinge hole (314) is positioned at the position of the relative circle center of the arc-shaped hollow-out part (313), the radian of the arc-shaped hollow-out part (313) is 90 degrees, one end of the fixed rod (2) is connected with the swinging block (31) through the first hinge shaft (316) and the second hinge shaft (317), the other end of the fixed rod is fixedly arranged on the fixed base (1), and the first hinge shaft (316) is arranged in the hinge hole (314) in a penetrating way, the second hinge shaft (317) in the arc-shaped hollow part (313) has a locking effect, and the second hinge shaft (317) can be fixedly arranged at any position in the arc-shaped hollow part (313) through the locking effect; fixed mounting frame (4) and the mutual rigid coupling in bottom surface of swing piece (31), through the locking degree of adjusting second articulated shaft (317), the contained angle between adjustment dead lever (2) and fixed mounting frame (4) makes fixed mounting frame (4) can follow vertical state and rotate to the horizontality.

2. A multi-purpose whiteboard (5) as claimed in claim 1, wherein said swinging block (31) has two side surfaces (311) contacting with the fixing rod (2) and a bottom surface (312) for connecting with the fixing frame (4), and the cross section thereof is U-shaped, said two side surfaces (311) have an arc-shaped hollow portion (313) and a hinge hole (314), and said fixing rod (2) is inserted between the two side surfaces (311).

3. A multi-purpose whiteboard (5) as claimed in claim 1, wherein an end of the arc-shaped hollow portion (313) of the side surface (311) of the swinging block (31) has an upwardly hooked hook portion (315), the direction of the hook portion (315) is toward the hinge hole (314), the hinge hole (314) has a length extension section with the same direction as the hook portion (315), and a connecting line between a middle point of the extension section of the hinge hole (314) and a middle point of the hook portion (315) is perpendicular to the whiteboard (5).

4. The multipurpose whiteboard (5) as claimed in claim 1, wherein the second hinge shaft (317) comprises a bolt (3171), a nut (3172) and two knobs (3173), the middle of the knob (3173) is provided with a polygonal sinking groove (3175) and a channel (3176), the sinking groove (3175) is used for placing the head (3177) and the nut (3172) of the bolt (3171), the channel (3176) is used for passing through the rod (3178) of the bolt (3171), the rod (3178) of the bolt (3171) passes through the knob (3173), and the locking degree between the bolt (3171) and the nut (3172) is changed by rotating the knob (3173), so that the second hinge shaft (317) can be fixed at any position of the arc-shaped hollow portion (313).

5. A multi-purpose whiteboard (5) according to claim 1, characterised in that said first hinge axis (316) has a locking action, and is structurally identical to said second hinge axis (317) of claim 4.

6. A multi-purpose whiteboard (5) as claimed in claim 1, wherein said movable connecting device (3) further comprises a rotating plate (32) and a fixing plate (33), said rotating plate (32) has a protruding rotating portion (321) and a protruding mounting portion (322), said rotating plate (32) is fixed on the fixing frame (4) through the mounting portion (322), said fixing plate (33) is fixed with the rotating plate (32) through the cooperation of a second knob (35) and a screw (36), said swinging block (31) is fixed on the fixing plate (33) through the bottom surface (312), and the rotating portion (321) of the rotating plate (32) can rotate on the fixing plate (33) with the second knob (35) as a fulcrum by adjusting the cooperation between the second knob (35) and the screw (36).

7. A multi-purpose whiteboard (5) as claimed in claim 6, wherein said rotating portion (321) of said rotating plate (32) has a plurality of limiting points (323) protruding toward said fixing plate (33), said fixing plate (33) has a corresponding limiting hole (333), said limiting points (323) can be inserted into said limiting hole (333).

8. A multi-purpose whiteboard (5) as claimed in claim 1, wherein said fixing rod (2) comprises a lifting sleeve rod (21) and a lifting connecting rod (23), a lifting adjusting knob (22) is disposed on the top of said lifting sleeve rod (21), said lifting connecting rod (23) is movably mounted on the inner surface of said lifting sleeve rod (21), and said lifting connecting rod (23) is height-adjustable by said lifting adjusting knob (22).

9. A multi-purpose whiteboard (5) as claimed in claim 1, wherein a roller mounting ring (11) is fixedly mounted on the outer side of said fixed base (1), and a plurality of movable rollers (12) are rotatably mounted on the lower surface of said roller mounting ring (11).

10. A multi-purpose whiteboard (5) according to any of claims 1 to 9, wherein said whiteboard (5) is made of a cellular board.