CN103653783B - Collapsible combination drawing board table - Google Patents

Abstract

The invention discloses a foldable combined drawing board table, which comprises a base plate and a turning plate; the two sides of the back of the base plate are respectively hinged with rotating rods; the back of the base plate above each rotating rod is hinged with a rocker arm; The middle part of the rotating rod is provided with a closed chute; each rocker arm is respectively fixed with the corresponding rotating rod through the first locking nut; the outer end of each rotating rod is hinged with a supporting assembly; the supporting assembly includes a basic Rod, extension rod, second lock nut; the extension rod is set in the chute on the base rod and can move along the chute, and the second lock nut is used to fix the extension rod to realize adjustment The length of the support assembly; a connecting rod is arranged between the base rods of the two support assemblies on the back of the base plate, so that the inclination angles of the two support assemblies are consistent; the lower ends of each rocker arm are respectively supported by hinges; The turnover plate is rotatably arranged on the upper part of the base plate; the invention has a simple structure, is foldable and is convenient to carry.

Description

Folding Combination Sketchpad Table

technical field

The invention relates to an improvement of a drawing board table, in particular to a folding combined drawing board table which is simple in structure, foldable and convenient to carry.

Background technique

At present, the drawing board table used by students usually includes a drawing board stand and a panel. When in use, the panel needs to be temporarily assembled on the drawing board stand; since the panel and the panel stand cannot be folded and occupy a large space, it is inconvenient to carry. For this reason, we have developed a foldable combination drawing board table with simple structure, foldable and convenient to carry.

Contents of the invention

The object of the present invention is to provide a foldable combined drawing board table with simple structure, foldable and convenient to carry in order to overcome the deficiencies of the prior art.

In order to achieve the above object, the technical solution adopted in the present invention is: a foldable combined drawing board table, including a base plate and a flip plate; the two sides of the back of the base plate are respectively hinged with rotating rods; Each hinge has a rocker arm; the middle part of the rotating rod is provided with a closed chute; the inner wall of the closed chute is provided with a positioning groove; each rocking arm is respectively fixed with the corresponding rotating rod through the first locking nut; The outer end hinge of each rotating rod has a support assembly; the support assembly includes a base rod, an extension rod, and a second locking nut; the extension rod is arranged in a slide groove on the base rod, and can slide along the The slot moves, and the second locking nut is used to fix the extension rod to adjust the length of the support assembly; a connecting rod is arranged between the base rods of the two support assemblies on the back of the bottom plate to facilitate the two The inclination angles of the supporting components are consistent; the lower ends of each rocker arm are supported by hinges respectively; the turnover plate is rotatably arranged on the upper part of the bottom plate.

Preferably, the first locking nut is screwed into the positioning groove in the closed slide groove, so as to realize the fixing of the rocker arm and the corresponding rotating rod respectively.

Preferably, scales are provided on the side of the front of the bottom plate to facilitate drawing.

Preferably, a group of second hinge seats is horizontally arranged on the upper part of the back of the bottom plate; a group of first hinge seats is arranged on the lower part of the back of the flip plate; two ends of a handle respectively pass through the first hinge seats, The second hinge seat connects the bottom plate and the turnover plate together, and the turnover plate can rotate around the handle, so that the turnover plate and the bottom plate can be folded, and at the same time, it can be realized by locking the first hinge seat and the second hinge seat The positions of the bottom plate and the turnover plate are fixed.

Preferably, widening plates are respectively provided on the left and right sides of the turning plate.

Preferably, a pin is provided on the back of each widening plate; the pin can be inserted into a corresponding socket provided on the back of the turning plate, so as to realize the fixing of the widening plate.

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

The foldable combined drawing board table of the present invention can realize the folding of the base plate and the turning plate, and it is very convenient to take and place or carry through the handle; at the same time, the inclination angle of the base plate is adjustable; moreover, the left and right sides of the turning plate are respectively provided with The widened board can widen the working area; and the front side of the bottom board is provided with scales, which can facilitate drawing; the invention has a simple structure, is foldable and is convenient to carry.

Description of drawings

Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:

Accompanying drawing 1 is the perspective view of the front when the foldable combined drawing board table of the present invention is in use;

Accompanying drawing 2 is the perspective view of the back side when the foldable combined drawing board table of the present invention is in use;

Accompanying drawing 3 is a schematic diagram of the storage state of the foldable combined drawing board table according to the present invention;

Among them: 1. Base plate; 2. Flip plate; 3. Widening plate; 4. Support assembly; 5. Connecting rod; 6. Support; 7. Handle; 8. First hinge seat; 9. Second hinge seat; 10, rotating rod; 11, latch; 12, socket; 13, rocking arm; 14, first lock nut; 41, base rod; 42, extension rod; 43, second lock nut; 101, closed slide groove.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Accompanying drawing 1-3 is the foldable combined drawing board table of the present invention, comprises base plate 1; The side edge of the front of described base plate 1 is provided with scale, to facilitate drawing; The two sides of the back side of described base plate 1 are hinged respectively There are rotating rods 10; the back of the base plate 1 above each rotating rod 10 is hinged with a rocker arm 13; the middle part of the rotating rod 10 is provided with a closed chute 101; the inner wall of the closed chute 101 is provided with Locating groove; each rocking arm 13 is respectively fixed with the corresponding rotating rod 10 through the first locking nut 14; the first locking nut 14 is screwed in the positioning groove in the closed chute 101; each rotating rod The outer end hinge of 10 has a support assembly 4; the support assembly 4 includes a base bar 41, an extension bar 42, and a second locking nut 43; the extension bar 42 is arranged on the slide groove on the base bar 41 (not marked), and can move along the chute; the second locking nut 43 is used to fix the extension rod 42 to realize the adjustment of the length of the support assembly 4; the two support assemblies 4 arranged on the back of the bottom plate 1 A connecting rod 5 is arranged between the base rods 41 to make the inclination angles of the two supporting assemblies 4 consistent; at the same time, the lower ends of each rocking arm are hinged with supports 6 respectively; Plate 2; specifically, a set of second hinge seats 9 is horizontally arranged on the upper part of the back of the base plate 1; a group of first hinge seats 8 is arranged on the lower part of the back of the flip plate 2; two handles 7 Ends pass through the first hinge seat 8 and the second hinge seat 9 respectively to connect the bottom plate 1 and the flip plate 2 together, and the flip plate 2 can rotate around the handle 7, so that the flip plate 2 and the bottom plate 1 can be folded; at the same time The relative positions of the bottom plate 1 and the turnover plate 2 can be fixed by locking the first hinge seat 8 and the second hinge seat 9 .

In this example, the left and right sides of the flipping plate 2 are respectively hinged with widening plates 3; the back of each widening plate 3 is provided with a latch 11; In the socket 12, to realize the fixing of the widened plate 3.

When in use, first adjust the angle of the rotating rod 10 and the rocker arm 13, and lock it with the first locking nut 14, and then separately support the support 6 and the support assembly 4; the length of the support assembly 4 can be adjusted, by adjusting The length of the support assembly 4 can adjust the inclination of the bottom plate 1; then turn over the flip plate 3, and lock the first hinge seat 8 and the second hinge seat 9, and then unfold the widened plate 3, ready to use.

When storing, first unscrew the first locking nut 41, so that the rotating rod 10 and the rocker arm 13 are in a free state; then respectively store the support 6 and the support assembly 4, and finally make the flip 3 turn over to be in the storage state, as shown in the accompanying drawing 3, the program can be taken away by using the handle 7 now.

The foldable combined drawing board table of the present invention can realize the folding of the base plate 1 and the turning plate 2, and then it is very convenient to take and place or carry through the handle; at the same time, the inclination angle of the base plate 1 is adjustable; moreover, the left and right sides of the turning plate 2 Widening boards 3 are respectively arranged on the sides, which can widen the working area; and scales are arranged on the front side of the bottom board 1, which is convenient for drawing.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present invention. Substantial equivalent changes or modifications shall fall within the protection scope of the present invention.

Claims (1)

1. collapsible combination drawing board table, it is characterised in that: comprise base plate, upset plate; The both sides at the back side of described base plate respectively hinge have revolving bar; On the back side of the base plate of the top of every root revolving bar, equal hinge has rocking arm; The middle part of described revolving bar is provided with closed chute; The inwall of described closed chute is provided with locating slot; Every root rocking arm is fixed by the first check nut with corresponding revolving bar respectively; The outer end hinge of every root revolving bar has a support component; Described support component, comprises base bar, extension rod, the 2nd check nut; Described extension rod is arranged in the chute on base bar, and can move along chute, and described 2nd check nut is used for securing elongated bar, to realize the length adjusting a support component; Be arranged on base plate two of the back side support components base bars between be provided with connecting rod, make the angles of inclination of two support components consistent to facilitate; The bottom of every root rocking arm respectively hinge have support; Described upset plate can be rotatably set in the top of base plate; Described first check nut is tightened in the locating slot in closed chute, to realize rocking arm fixing with corresponding revolving bar respectively; The top water level land at the back side of described base plate is provided with one group of two hinge seat; The bottom at the back side of described upset plate is provided with one group of first hinge seat; The two ends of one handle are each passed through the first hinge seat, two hinge seat makes base plate link together with upset plate, described upset plate can rotate around handle, thus it is folding to make upset plate and base plate realize, simultaneously by the locking to the first hinge seat, two hinge seat, it is achieved base plate is fixed with the position overturning plate; The left and right sides of described upset plate is respectively arranged with widens plate; The back side widening plate described in each is provided with latch; Described latch can insert in the socket of the correspondence at the back side being arranged on upset plate, widens the fixing of plate to realize.