CN212896808U

CN212896808U - Novel extensible modular combined frame

Info

Publication number: CN212896808U
Application number: CN202020489141.5U
Authority: CN
Inventors: 何炬贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-04-06
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to a novel extensible modular combined frame, which comprises at least two plate loading frames, wherein the two plate loading frames are detachably connected through a plurality of group beam assemblies; the frame beam assembly comprises a plurality of groups of upper frame beams and lower frame beams which are symmetrically arranged up and down; a plurality of upper support plate grooves are formed on the upper frame beam, correspondingly, a plurality of lower support plate grooves corresponding to the upper support plate grooves are formed on the lower frame beam, support rods are inserted between the upper support plate grooves and the lower support plate grooves, and limiting devices used for positioning the support rods on the upper support plate grooves and the lower support plate grooves are further mounted on two sides of each support rod; the utility model has simple structure, convenience and practicality, fast installation and construction speed, and no need of professional skills; the modular design is adopted, all combination modes are completed by one unit module, the interchangeability is high, and the storage and the transportation are extremely convenient.

Description

Novel extensible modular combined frame

Technical Field

The utility model belongs to the technical field of exhibition, show, decoration, especially, relate to a novel modularization composite framework of extending type.

Background

The display board is a product for partitioning an indoor space. Firstly, the prior art cannot realize independent modular operation, so that the installation is complex, the manufacture needs to be customized in size, and the installation needs professional personnel; therefore, the installation is various, the installation process is complex, the construction time is long, a professional team is needed, the field processing can bring pollution such as dust and noise, and some constructions are dangerous to some extent. Secondly, the display board has low reutilization rate and poor structural expansion and variability, the display board which is often customized cannot be reused, even if the display board can be reused, the display board cannot be changed according to the requirements of customers, once damage, repair and replacement are difficult, the display board occupies a large space after being disassembled, and transportation and storage are difficult; the original material of the partition section can hardly be reused when the partition section needs to be changed, or the partition section can not be used in a new application in a changing mode. At present, the display board has a single function and does not have the capability of flexible adjustment, one type of display board can only complete one function, is special and cannot meet the diversity requirements, and often customers need to purchase different display board products for different requirements, so that the styles are difficult to keep consistent.

In view of the above problems, it is necessary to improve them.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the defect among the above-mentioned prior art, provide a simple structure, reasonable in design, can greatly reduced manufacturing cost, effectively promote the installation rate, the expanded flexibility of structure is high, has the novel modularization composite framework of extending type in extensive market perspective.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a novel extensible type modularization combination frame, includes two at least dress grillages, through a plurality of groups frame roof beam subassembly detachable connection between two dress grillages.

As a preferred scheme of the utility model, dress plate rack is including the violently pipe that lays that is parallel to each other, violently manage two stay tubes that mutually perpendicular laid with two, two violently manage and form rectangular frame between two stay tubes.

As a preferred scheme of the utility model, the frame beam assembly comprises a plurality of groups of upper frame beams and lower frame beams which are symmetrically arranged up and down; the mounting plates are fixedly arranged at the two ends of the upper frame beam and the lower frame beam, mounting holes are formed in the mounting plates, correspondingly, connecting holes corresponding to the mounting holes are formed in the end portions of the two sides of the supporting tube, the upper frame beam and the lower frame beam respectively abut against the end portions of the two sides of the supporting tube, and the mounting holes and the connecting holes are fastened through connecting bolts.

As a preferred scheme of the utility model, an extension plate is vertically and fixedly arranged at the end part of the mounting plate, and an assembly groove is formed on the extension plate; correspondingly, a guide groove is formed in the transverse pipe along the length direction of the transverse pipe, and a plurality of quick inserting grooves are formed in the guide groove; the extension plate is lapped on the transverse pipe, and the screw penetrates through the guide groove and the assembling groove and is used for fastening the upper frame beam and the lower frame beam on the transverse pipe.

As an optimized scheme of the utility model, a plurality of fast slots equidistance are laid on the guide way.

As a preferred scheme of the utility model, be formed with a plurality of upper bracket grooves on the upper bracket roof beam, corresponding with this, be formed with a plurality of lower support plate grooves corresponding with the upper bracket groove on the lower carriage roof beam, it has the bracing piece to peg graft between upper bracket groove and the lower support plate groove, and the stop device that is used for being positioned the bracing piece on upper bracket groove and lower support plate groove is still installed to the both sides of bracing piece.

As a preferred scheme of the utility model, the upper frame beam comprises an upper top plate, an upper left side plate and an upper right side plate; the upper left side plate and the upper right side plate are fixedly arranged at two sides of the upper top plate, an upper bottom plate corresponding to the upper top plate is vertically and fixedly arranged on the upper right side plate, a plurality of upper positioning grooves are formed in the upper bottom plate, and correspondingly, the lower frame beam comprises a lower bottom plate, a lower left side plate and a lower right side plate; the lower left side plate and the lower right side plate are fixedly arranged at two sides of the lower bottom plate, a lower top plate corresponding to the lower bottom plate is fixedly arranged on the lower left side plate, and a plurality of lower positioning grooves are formed in the lower top plate.

As a preferred scheme of the utility model, the limiting device comprises an upper limiting opening and a lower limiting opening which are respectively formed on the upper left side plate and the lower left side plate, and the upper limiting opening and the lower limiting opening correspond to the upper positioning groove and the lower positioning groove in position; the both ends of bracing piece are formed with the pilot hole with last spacing mouthful and spacing mouthful position looks adaptation down, go up spacing mouthful and spacing mouthful pass through spacing bolt-up with the pilot hole down.

As a preferred scheme of the utility model, the width of the upper bottom plate is 1/2-1/3 of the width of the upper top plate, the height of the upper right side plate is consistent with that of the upper left side plate, and an upper support plate groove is formed between the upper bottom plate and the upper left side plate; the width of the lower top plate is 1/2-1/3 of the width of the lower bottom plate, the height of the lower right side plate is 1/5-1/10 of the height of the lower left side plate, a lower support plate groove is formed between the lower top plate and the lower right side plate, and the display plate is assembled between the upper support plate groove and the lower support plate groove.

As a preferred scheme of the utility model, be equipped with triangular support piece between upper bracket roof beam and lower carriage roof beam and the stay tube.

As an optimized scheme of the utility model, be formed with the locating hole on the stay tube, bolt-up is passed through to the locating hole between the adjacent stay tube.

The utility model has the advantages that:

1. the utility model has simple structure, convenience and practicality, fast installation and construction speed, and no need of professional skills; the modular design is adopted, all combination modes are completed by one unit module, the interchangeability is high, and the storage and the transportation are extremely convenient;

2. the utility model has reliable connection and high stability, and compared with the traditional connection mode, the strength is greatly improved; the manufacturing process is simple, the cost is low, the application prospect is wide, the commercial prospect is wide, the method is very suitable for functional segmentation of halls of airports, auditoriums and exhibition halls, rapid construction of pedestrian flow channels, setting of exhibition stands and guide stands, construction of storage spaces, isolation of segmentation functional areas and the like, the blank of the related technology can be filled, and great social benefit and economic benefit can be generated;

drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural view of a plate loading frame according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a lower frame beam according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an upper frame beam according to an embodiment of the present invention;

FIG. 5 is a partial enlarged view of a portion A of the embodiment of the present invention;

FIG. 6 is a partial enlarged view of a portion from the B direction according to an embodiment of the present invention;

fig. 7 is a partial enlarged view of a part C of an embodiment of the present invention;

FIG. 8 is a partial enlarged view of a portion of the first embodiment of the present invention from direction D;

fig. 9 is a schematic structural view of a second embodiment of the present invention;

FIG. 10 is a partial enlarged view of the second embodiment of the present invention from E direction;

fig. 11 is a schematic structural diagram of a third embodiment of the present invention;

fig. 12 is a partial enlarged view of the third F direction of the embodiment of the present invention;

fig. 13 is a schematic structural diagram of a fourth embodiment of the present invention;

description of the drawings: the device comprises a plate loading frame 1, an upper frame beam 2, a lower frame beam 3, a support rod 4, a transverse pipe 5, a triangular support member 7, a positioning hole 8, a limiting device 9, a support pipe 10, a connecting frame 11, a plate hanging frame 12, a plate hanging 13, a guide hole 14, a plate hanging screw 15, an operation hole 16, a column hole 17, an operation hole 18, a mounting plate 20, a mounting hole 21, a connecting hole 22, a connecting bolt 23, an extension plate 24, an assembly groove 25, a screw 26, an upper top plate 30, an upper left side plate 31, an upper right side plate 32, an upper bottom plate 33, an upper positioning groove 34, an upper limiting hole 35, an upper plate groove 36, a lower bottom plate 40, a lower left side plate 41, a lower right side plate 42, a lower top plate 43, a lower positioning groove 44, a lower limiting hole 45, a lower plate groove 46, a guide.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1 to 8, the novel extensible modular combined frame provided in this embodiment includes at least two loading frames 1, where the two loading frames 1 are detachably connected by a plurality of sets of frame beam assemblies 100; the frame beam assembly 100 comprises a plurality of groups of upper frame beams 2 and lower frame beams 3 which are symmetrically arranged up and down; a plurality of upper support plate grooves 36 are formed on the upper frame beam 2, correspondingly, a plurality of lower support plate grooves 46 corresponding to the upper support plate grooves 36 are formed on the lower frame beam 3, wherein the upper support plate grooves 36 and the lower support plate grooves 46 are oppositely arranged, support rods 4 are inserted between the upper support plate grooves 36 and the lower support plate grooves 46, and limiting devices 9 used for positioning the support rods 4 on the upper support plate grooves 36 and the lower support plate grooves 46 are further arranged on two sides of each support rod 4; triangular supports 7 are assembled between the upper frame beam 2 and the lower frame beam 3 and the supporting pipes 10; the triangular supporting piece 7 is detachably connected between the upper frame beam 2 or the lower frame beam 3 and the supporting pipe 10; for improving the structural strength of the overall composite frame.

The plate loading frame 1 comprises transverse pipes 5 arranged in parallel and two support pipes 10 arranged perpendicular to the two transverse pipes 5, and a rectangular frame is formed between the two transverse pipes 5 and the two support pipes 10; a plurality of connecting frames 11 are fixedly arranged between the two supporting tubes 10 for supporting, so that the structural strength and the integral firmness of the whole plate loading frame 1 are improved, and the use safety of the combined frame is ensured. In addition, the support tube 10 is formed with operation holes 18 at both ends thereof to facilitate the routing of electrical appliances from the operation holes 18 and the top and floor.

Wherein, stay tube 10 is reserved with a plurality of post holes 17, through setting up post hole 17, can splice the exhibition frame fast, improves assembly efficiency.

The combined frame is made of stainless steel or aluminum materials, and has the advantages of light weight, excellent forming, high strength, corrosion resistance and long service life.

In the assembling process, the upper frame beam 2 and the lower frame beam 3 at the outer ends are firstly installed; when the outer upper frame beam 2 and the outer lower frame beam 3 are assembled, the notches of the upper support plate groove 36 and the lower support plate groove 46 corresponding to the upper frame beam 2 and the lower frame beam 3 face outwards, so that the surface of the quick-insertion wall board faces outwards, the mounting plates 20 are fixedly arranged at the two ends of the upper frame beam 2 and the lower frame beam 3, the mounting holes 21 are formed in the mounting plates 20, correspondingly, the connecting holes 22 corresponding to the mounting holes 21 are formed in the end portions of the two sides of the supporting pipe 10, the upper frame beam 2 and the lower frame beam 3 respectively abut against the end portions of the two sides of the supporting pipe 10, and the mounting holes 21 and the connecting holes 22 are fastened through the connecting bolts 23.

After the outer upper frame beam 2 and the outer lower frame beam 3 are assembled, the inner upper frame beam 2 and the inner lower frame beam 3 are installed, the outer upper frame beam 2 and the outer lower frame beam 3 and the inner upper frame beam 2 and the inner lower frame beam 3 have the same specific structure, and the difference is that the end parts of the installation plates 20 of the inner upper frame beam 2 and the inner lower frame beam 3 are vertically and fixedly provided with extension plates 24, and the extension plates 24 are provided with assembly grooves 25; correspondingly, a guide groove 50 is formed on the transverse pipe 5 along the length direction of the transverse pipe, and a plurality of quick insertion grooves 51 are formed on the guide groove 50; the extension plate 24 is lapped on the transverse pipe 5, and the screw 26 passes through the guide groove 50 and the assembly groove 25 and is used for fastening the upper frame beam 2 and the lower frame beam 3 on the transverse pipe 5; the assembly method is that before the extension plate 24 is lapped on the transverse tube 5, the threaded rotating part of the screw 26 extends into the quick insertion slot 51, the screw rod of the screw 26 moves to the position of the assembly slot 25 on the extension plate 24 along the guide slot 50, the screw 26 passes through the guide slot 50 and is screwed by a nut, wherein the outer diameter of the quick insertion slot 51 is larger than the inner diameter of the guide slot 50.

Specifically, in the embodiment, the plurality of fast inserting grooves 51 are equidistantly arranged on the guide groove 50, so that the upper frame beam 2 and the lower frame beam 3 can be fixed at any position according to the actual use condition, and the assembling efficiency is improved in the assembling process of the upper frame beam 2, the lower frame beam 3 and the plate loading frame 1; meanwhile, an operation hole 16 is arranged at the end part of the transverse pipe 5, so that wiring is convenient.

Through the mutual cooperation of guide way 50 and a plurality of quick slots 51, can hang articles such as motor or background picture through the stores pylon that is "L" form, improve the use variety of this frame.

The upper frame rail 2 includes an upper top plate 30, an upper left side plate 31, and an upper right side plate 32; the upper left side plate 31 and the upper right side plate 32 are fixedly arranged at two sides of the upper top plate 30, the upper right side plate 32 is vertically and fixedly provided with an upper bottom plate 33 corresponding to the upper top plate 30, a plurality of upper positioning grooves 34 are formed in the upper bottom plate 33, and correspondingly, the lower frame beam 3 comprises a lower bottom plate 40, a lower left side plate 41 and a lower right side plate 42; the lower left side plate 41 and the lower right side plate 42 are fixedly arranged at two sides of the lower bottom plate 40, a lower top plate 43 corresponding to the lower bottom plate 40 is fixedly arranged on the lower left side plate 41, and a plurality of lower positioning grooves 44 are formed in the lower top plate 43.

In the process of assembling the support rod 4 with the upper positioning groove 34 and the lower positioning groove 44, the two plate loading frames 1 are clamped and fixed at the same time, and the support rod 4 is fastened with the upper positioning groove 34 and the lower positioning groove 44 after being installed through the limiting device 9; the limiting device 9 comprises an upper limiting opening 35 and a lower limiting opening 45 which are respectively formed on the upper left side plate 31 and the lower left side plate 41, and the upper limiting opening 35 and the lower limiting opening 45 correspond to the upper positioning groove 34 and the lower positioning groove 44 in position; the two ends of the support rod 4 are formed with assembly holes 90 matched with the positions of the upper limiting opening 35 and the lower limiting opening 45, and the upper limiting opening 35 and the lower limiting opening 45 are fastened with the assembly holes 90 through limiting bolts 91.

The width of the upper bottom plate 33 is smaller than that of the upper top plate 30, the height of the upper right side plate 32 is consistent with that of the upper left side plate 31, and an upper support plate groove 36 is formed between the upper bottom plate 33 and the upper left side plate 31; the width of the lower top plate 43 is smaller than that of the lower bottom plate 40, the height of the lower right side plate 42 is smaller than that of the lower left side plate 41, and a height difference is formed between the lower right side plate 42 and the lower left side plate 41; a lower support plate slot 46 is formed between the lower top plate 43 and the lower right side plate 42, and the display plate 6 is assembled between the upper support plate slot 36 and the lower support plate slot 46.

The width of the upper bottom plate 33 is 1/2-1/3 of the width of the upper top plate 30, in the embodiment, the width of the upper bottom plate 33 is 1/2 of the width of the upper top plate 30, so that the stability of the support rod 4 in the process of being clamped with the upper positioning groove 34 and the lower positioning groove 44 is improved, the height of the upper right side plate 32 is consistent with that of the upper left side plate 31, and an upper support plate groove 36 is formed between the upper bottom plate 33 and the upper left side plate 31; the width of the lower top plate 43 is 1/2-1/3 of the width of the lower bottom plate 40, in the embodiment, the width of the lower top plate 43 is 1/2 of the width of the lower bottom plate 40, wherein the width of the upper bottom plate 33 is consistent with the width of the lower top plate 43.

The height of the lower right side plate 42 is 1/5-1/10 of the height of the lower left side plate 41, in the embodiment, the height of the lower right side plate 42 is 1/5 of the height of the lower left side plate 41, and the display board is convenient to mount; a lower support plate slot 46 is formed between the lower top plate 43 and the lower right side plate 42, and the display plate 6 is assembled between the upper support plate slot 36 and the lower support plate slot 46.

Positioning holes 8 are formed in the supporting pipes 10, and the positioning holes 8 between the adjacent supporting pipes 10 are fastened through bolts; can be connected to a plurality of outside frames on the basis of dress plate frame 1, adopt the modular design, all combination modes are all accomplished by a unit module, and interchangeability is high, and storage and transportation are all extremely convenient.

Example two:

as shown in fig. 9-10, in the novel extensible modular combined frame provided in this embodiment, adjacent upper beams 2 or lower beams 3 are detachably connected through at least one hanging plate frame 12, two hanging plate frames 12 are provided in this embodiment, two hanging plate frames 12 are equidistantly arranged between adjacent upper beams 2 or lower beams 3, the length of each hanging plate frame 12 can be selected according to the distance between adjacent upper beams 2 or adjacent lower beams 3, hanging plates 13 are fixedly arranged on two sides of each hanging plate frame 12, guide holes 14 are formed in the hanging plates 13, the guide holes 14 correspond to the positions of the guide grooves 50, and hanging plate screws 15 pass through the guide grooves 50 and the guide holes 14 to fasten the hanging plate frames 12 on the upper beams 2 and the lower beams 3, wherein the hanging plate frames 12 can hang plate curtains and other objects.

The specific assembling method is that before the hanging plate frame 12 is lapped on the upper frame beam 2 or the lower frame beam 3, the thread rotating part of the hanging plate screw 15 extends into the quick inserting groove 51, the screw rod of the hanging plate screw 15 moves to the position of the guide hole 14 on the hanging plate 13 along the guide groove 50, the hanging plate screw 15 penetrates through the guide groove 50 and is screwed through the nut, and the hanging plate frame 12 is assembled between the adjacent upper frame beams 2 or the adjacent lower frame beams 3, so that the transverse supporting force of the combined frame is improved, and the overall structural strength is also improved.

The rest of this embodiment refers to the first embodiment.

Example three:

as shown in fig. 11-12, in the novel extensible modular combined frame provided in this embodiment, fastening glass clamps 19 are detachably mounted at the bottom and the top of the horizontal tube 5 of the plate loading frame 1, the number of the glass clamps 19 is not less than four, 4 clamping grooves for adding glass are formed by the mounted 4 fastening glass clamps 19, and the glass clamps can be directly clamped into toughened glass on the assembly site, so that various assembly possibilities of the whole frame are improved, and the novel extensible modular combined frame is high in interchangeability and wide in application range.

The other contents of this embodiment refer to embodiment one and embodiment two.

Example four:

as shown in fig. 13, the novel extendable modular combined frame provided by this embodiment is a structure diagram for overlapping the combined frames, wherein the upper and lower adjacent combined frames are fastened by a connecting component, and the application range is wide

The other contents of this embodiment refer to embodiment one, embodiment two and embodiment three.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the mounting plate frame 1, the upper frame beam 2, the lower frame beam 3, the support rod 4, the transverse pipe 5, the triangular support 7, the positioning hole 8, the limiting device 9, the support pipe 10, the connecting frame 11, the hanging plate frame 12, the hanging plate 13, the guide hole 14, the hanging plate screw 15, the operation hole 16, the column hole 17, the operation hole 18, the glass clamp 19, the mounting plate 20, the mounting hole 21, the connecting hole 22, the connecting bolt 23, the extension plate 24, the assembly groove 25, the screw 26, the upper top plate 30, the upper left side plate 31, the upper right side plate 32, the upper bottom plate 33, the upper positioning groove 34, the upper positioning opening 35, the upper positioning groove 36, the lower bottom plate 40, the lower left side plate 41, the lower right side plate 42, the lower top plate 43, the lower positioning groove 44, the lower positioning opening 45, the lower plate groove 46, the guide groove 50, the assembly hole 90, the limiting bolt 91 and other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A novel modular combined frame of extensible type which is characterized in that: the device comprises at least two loading frames (1), wherein the two loading frames (1) are detachably connected through a plurality of groups of frame beam assemblies (100); the frame beam assembly (100) comprises a plurality of groups of upper frame beams (2) and lower frame beams (3) which are symmetrically arranged up and down; a plurality of upper supporting plate grooves (36) are formed in the upper supporting beam (2), correspondingly, a plurality of lower supporting plate grooves (46) corresponding to the upper supporting plate grooves (36) are formed in the lower supporting beam (3), supporting rods (4) are inserted between the upper supporting plate grooves (36) and the lower supporting plate grooves (46), and limiting devices (9) used for positioning the supporting rods (4) on the upper supporting plate grooves (36) and the lower supporting plate grooves (46) are further installed on two sides of the supporting rods (4).

2. A novel extensible modular composite frame as claimed in claim 1, wherein: the upper frame beam (2) comprises an upper top plate (30), an upper left side plate (31) and an upper right side plate (32); the upper left side plate (31) and the upper right side plate (32) are fixedly arranged on two sides of the upper top plate (30), an upper bottom plate (33) corresponding to the upper top plate (30) is vertically and fixedly arranged on the upper right side plate (32), a plurality of upper positioning grooves (34) are formed in the upper bottom plate (33), and correspondingly, the lower frame beam (3) comprises a lower bottom plate (40), a lower left side plate (41) and a lower right side plate (42); the lower left side plate (41) and the lower right side plate (42) are fixedly arranged on two sides of the lower bottom plate (40), a lower top plate (43) corresponding to the lower bottom plate (40) is fixedly arranged on the lower left side plate (41), and a plurality of lower positioning grooves (44) are formed in the lower top plate (43).

3. A novel extensible modular composite frame as claimed in claim 2, wherein: the limiting device (9) comprises an upper limiting opening (35) and a lower limiting opening (45) which are respectively formed on the upper left side plate (31) and the lower left side plate (41), and the upper limiting opening (35) and the lower limiting opening (45) correspond to the upper positioning groove (34) and the lower positioning groove (44) in position; the both ends of bracing piece (4) are formed with pilot hole (90) with spacing mouthful (35) and spacing mouthful (45) position looks adaptation down on, go up spacing mouthful (35) and spacing mouthful (45) and pilot hole (90) are through spacing bolt (91) fastening down.

4. A novel extensible modular composite frame as claimed in claim 3, wherein: dress grillage (1) including violently pipe (5) that lay parallel to each other, with two stay tubes (10) that violently pipe (5) mutually perpendicular laid, two violently pipe (5) and two stay tubes (10) between form rectangular frame.

5. A novel extensible modular composite frame as claimed in claim 4, wherein: the mounting plates (20) are fixedly arranged at the two ends of the upper frame beam (2) and the lower frame beam (3), mounting holes (21) are formed in the mounting plates (20), correspondingly, connecting holes (22) corresponding to the mounting holes (21) are formed in the end portions of the two sides of the supporting tube (10), the upper frame beam (2) and the lower frame beam (3) respectively abut against the end portions of the two sides of the supporting tube (10), and the mounting holes (21) and the connecting holes (22) are fastened through connecting bolts (23).

6. A novel extensible modular composite frame as claimed in claim 5, wherein: an extension plate (24) is vertically and fixedly arranged at the end part of the mounting plate (20), and an assembly groove (25) is formed on the extension plate (24); correspondingly, a guide groove (50) is formed in the transverse pipe (5) along the length direction of the transverse pipe, and a plurality of quick inserting grooves (51) are formed in the guide groove (50); the extension plates (24) are lapped on the transverse pipe (5), and the screws (26) penetrate through the guide grooves (50) and the assembly grooves (25) and are used for fastening the upper frame beam (2) and the lower frame beam (3) on the transverse pipe (5); the fast slots (51) are equidistantly arranged on the guide slot (50).

7. A novel extensible modular composite frame as claimed in claim 2, wherein: the width of the upper bottom plate (33) is smaller than that of the upper top plate (30), the height of the upper right side plate (32) is consistent with that of the upper left side plate (31), and an upper support plate groove (36) is formed between the upper bottom plate (33) and the upper left side plate (31); the width of the lower top plate (43) is smaller than that of the lower bottom plate (40), the height of the lower right side plate (42) is smaller than that of the lower left side plate (41), and a height difference is formed between the lower right side plate (42) and the lower left side plate (41); a lower support plate groove (46) is formed between the lower top plate (43) and the lower right side plate (42), and a display plate (6) is assembled between the upper support plate groove (36) and the lower support plate groove (46).

8. A novel extensible modular composite frame as claimed in claim 5, wherein: triangular supporting pieces (7) are assembled between the upper frame beam (2) and the lower frame beam (3) and the supporting pipes (10).

9. A novel extensible modular composite frame as claimed in claim 8, wherein: the supporting pipes (10) are provided with positioning holes (8), and the positioning holes (8) between adjacent supporting pipes (10) are fastened through bolts.