CN218918407U - Folding display rack - Google Patents

Abstract

The utility model belongs to the field of exhibition and demonstration, and particularly relates to a foldable exhibition frame, which comprises a corner connecting piece and a middle connecting piece, wherein the corner connecting piece comprises an upper corner connecting piece and a lower corner connecting piece, and two ends of a long frame are respectively connected with an upper short frame and a lower short frame through the upper corner connecting piece and the lower corner connecting piece; the middle connecting piece is positioned in the middle of the long frame and divides the long frame into two parts, and the long frame can be folded from the middle to the inner side direction of the display frame through the middle connecting piece; the long frames on two sides can be folded in half from the middle through the corner connecting piece and then folded and stored on the short frames on the lower side in a staggered mode. The utility model can directly form one or more folding structures on the whole structure of the display rack, thereby greatly reducing the volume of the product and facilitating transportation; the length of the long frames at the two sides is not limited by the length of the lower frame through the dislocation folding function; the utility model does not need to be built on site, can be folded and unfolded integrally, and greatly improves the installation efficiency, and is convenient and quick.

Description

Folding display rack

Technical Field

The utility model belongs to the field of exhibition and exhibition, and particularly relates to an exhibition and exhibition rack capable of being longitudinally expanded and longitudinally folded.

Background

With the development of society, various display frames are flexibly and rapidly built in occasions such as conferences, exhibitions and displays, and are used for displaying and propaganda of commodities, so that the enterprises are more and more loved. The exhibition cloth frame and the exhibition lamp box are exhibition appliances which are very wide in application, and the exhibition cloth frame and the exhibition lamp box are mainly structurally characterized in that the exhibition cloth frame, the canvas and the lamp light can be temporarily assembled to form a large-sized exhibition curtain, and can also be independently placed to form a small-sized propaganda column. The application belongs to independent exhibition frame structure.

The existing independent display rack structures are rectangular frame structures built on site through sectional materials, connecting pieces, locks and the like, and on one hand, the sectional materials are inconvenient to uniformly store and transport due to different length specifications; on the other hand, when the display frame is built, the structure is complicated, and a plurality of connecting parts are required to be applied, so that the on-site building is time-consuming and labor-consuming, the efficiency is low, and the plurality of connecting parts are easy to cause missing or confusion and influence the repeated use, so that the foldable display frame is a development trend.

At present, the sporadic show folding display rack that appears in the market also has the structure loaded down with trivial details, manufacturing cost is high, the combination is built complicacy, stability not high scheduling problem, but the beta structure of patent 202111603921.3 formation, its structure that makes the montant realize upset fifty percent discount back inwards fold through first link, first rotating structure, second rotating structure etc. the structure, it realizes small-size storage structure through the fifty percent discount, and it needs to cooperate various fixed subassembly just can realize fixing after expanding. Therefore, the use requirement of the market cannot be met, and the folding, storage and stretching and unfolding of the whole display rack cannot be realized.

In addition, no structure form capable of realizing longitudinal or transverse extension of the display frame exists in the current market of the independent display frame, and the use requirements of some occasions cannot be met.

Disclosure of Invention

In order to overcome the defects, the utility model provides the folding display rack which is simple in structure, convenient to construct, convenient to transport, free from a customer assembly frame and flexible and changeable in size.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a folding display stand, comprising a display frame, the display frame comprising a pair of short side frames and at least a pair of long side frames, further comprising:

the corner connecting piece comprises an upper corner connecting piece and a lower corner connecting piece, and two ends of the long frame are respectively connected with the upper short frame and the lower short frame through the upper corner connecting piece and the lower corner connecting piece;

the middle connecting piece is positioned in the middle of the long frame and divides the long frame into two parts, and the long frame can be folded from the middle to the inner side of the display frame through the middle connecting piece; the long frames on two sides can be folded in half from the middle through the corner connecting piece and then folded and stored on the short frames on the lower side in a staggered mode.

As a preferred embodiment of the present embodiment: the lower corner connecting piece comprises a lower corner body, a lower pin shaft and a lower rotating piece; the lower rotating piece is connected with the lower corner body through a lower pin shaft and can rotate around the lower pin shaft to extend the inner side direction of the frame; the movable end of the lower rotating piece is connected with the long frame in an inserting way; the lower pin shaft takes one end as a reference, and the other end of the lower pin shaft is downwards and obliquely inserted and installed at the connecting end of the corner body and the rotating piece in the direction of the inner side of the display frame; the upper corner connecting piece comprises an upper corner body, an upper pin shaft and an upper rotating piece, and the upper corner connecting piece and the lower corner connecting piece are respectively arranged at the upper end and the lower end of the long frame to form an axisymmetric structure.

According to the folding type folding device, the rotating shafts are obliquely arranged, so that the connected long frames can be driven to be obliquely folded around the corresponding directions of the rotating shafts, and the purpose of staggered storage after the long frames on two sides are folded in half is achieved.

As a further improvement of the utility model: the downward inclination angle of the lower pin shaft is the same as the inclination angle in the direction of the inner side of the display frame, and the long frame and the short frame are mutually parallel after folding through complementation of angles.

As a preferred embodiment of the present utility model: the middle connecting piece comprises a middle body and folding pieces hinged to two ends of the middle body respectively through pins, and the folding pieces can rotate around the pins towards the outer side of the display frame.

As a further improvement of the utility model: in order to make the whole frame more stable, still include the bracing piece, bracing piece both ends link to each other with middle body joint for inject the folding after the long frame expansion.

In order to reduce parts such as fixed connecting pieces, built connecting pieces and the like, the utility model improves the frame section bar: two jacks are arranged on the inner side end surfaces of the short side frame and the long side frame along the length direction, and a mounting groove is formed between the two jacks.

As a further improvement of the utility model: the light components are arranged in the mounting grooves, so that the light effect during exhibition is further improved, and the on-site atmosphere is rendered.

In order to match with the improvement of the sectional material, the light assembly can be conveniently installed on site, and the light guide plate, the light bar and the like can be selected and fixed in the installation groove.

In order to realize the longitudinal extension of the display frame and the folding purpose, the utility model further provides a middle reverse connecting piece which is used for connecting two or more pairs of long frames; the middle reverse connecting piece comprises a middle reverse body and reverse rotating pieces hinged to two ends of the middle reverse body respectively through positioning pins, and the reverse rotating pieces can rotate around the positioning pins towards the inner side of the display frame; one end of the adjacent long frame at the same side is respectively connected with the reverse rotation parts in an inserting way, and the middle reverse connection parts at the corresponding positions of the left side and the right side are connected through the support rods and used for limiting the middle reverse connection parts to rotate after the display rack is unfolded.

In order to ensure that each frame forms the best parallel position after folding, do not cause the friction damage to each part, the height of middle body and the high looks adaptation after long frame fifty percent discount.

For further facilitating the electrical connection of light assemblies mounted in the long bezel mounting slot on both sides of the intermediate connector: the lamp light assembly is provided with a conductive terminal close to one side of the middle connecting piece, and a conductive column extending to one side of the middle connecting piece and exceeding the conductive terminal is arranged in the conductive terminal through a spring; a first conductive post penetrating through the middle body is fixed on the middle body of the middle connecting piece at a position corresponding to the conductive post; after the display rack is unfolded, the electric connection of the light assemblies on two sides of the middle connecting piece is realized through the contact connection of the conductive column and the conductive column I.

The utility model can be directly placed on site when the frame is wide enough, and can also fix the skirting board at the bottom of the lower side frame, thereby improving the stability of the display frame.

The utility model has the advantages that:

1. the folding display rack has ingenious structural design, and the whole structure of the display rack can directly form one or more folding structures through the design of the corner connecting piece and the long frame, so that the volume of a product is greatly reduced, and the transportation is convenient.

2. The utility model has stable structure, solves the problem of structural stability after the unfolding of the display frame by the matching design of the support rod and the long frame, and is convenient and reliable.

3. The utility model has simple structure and low manufacturing cost, can realize integral folding and integral stretching and unfolding, does not need on-site assembly and other auxiliary tools, meets the use requirement of on-site quick building of clients at any time and any place, and greatly improves the installation efficiency, and is convenient and quick.

4. The utility model realizes the dislocation folding function through the design of the corner connecting piece and the long frame, ensures that the lengths of the frames at two sides are not limited by the length of the lower frame, and realizes the flexibility and the variability of the size of the display frame.

5. The utility model can also realize the extension of the longitudinal height of the display frame by increasing the number of the long frames through the middle reverse connecting pieces, improves the use efficiency of the display frame, and can directly add the light components through the design of the frame structure so as to highlight the display effect.

Drawings

Fig. 1 is an exploded view of a folding display rack according to a first embodiment;

FIG. 2 is a perspective view of the lower corner connector;

FIG. 3 is a left side view of the lower corner connector folded in half;

FIG. 4 is a top view of the lower corner connector folded in half;

FIG. 5 is a perspective view of the upper corner connector;

FIG. 6 is a block diagram of an intermediate connection;

FIG. 7 is a left side view of FIG. 1;

FIG. 8 is a final folded configuration view of the folded display rack;

FIG. 9 is a schematic diagram of a short or long frame in a display frame;

fig. 10 is a construction diagram of a display rack according to the second embodiment;

FIG. 11 is a left side view of FIG. 8;

FIG. 12 is an intermediate reverse link;

fig. 13 is a perspective view of an intermediate connector according to the third embodiment;

fig. 14 is a connection structure diagram of the middle connector and the long frame corresponding to the third embodiment;

fig. 15 is a structure diagram showing the connection between the light assembly and the middle connector after being unfolded according to the third embodiment.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are included in the scope of protection of the present utility model.

Example 1

As shown in fig. 1: the embodiment relates to a folding display rack, which comprises a display frame, a baseboard 7 and a supporting rod 5, wherein the display frame is of a rectangular structure and comprises a pair of short side frames 2 and a pair of long side frames 1. The long frame comprises two long frame sections 11 with the same length and a middle connecting piece 4; as shown in fig. 1: the corner connecting piece includes corner connecting piece 9 and lower corner connecting piece 3, goes up the short frame and links to each other with long frame one end is articulated through last corner connecting piece 9, and the short frame links to each other with long frame one end is articulated through lower corner connecting piece 3 down.

As shown in fig. 2 to 4: the lower corner connector 3 comprises a lower corner body 31, a lower rotating member 32 and a lower pin 33, wherein the lower corner body 31 is provided with a first connecting end face and a second connecting end face 311 which are connected at an angle of 90 degrees, and a plugging boss 312 is directly formed on the first connecting end face and is used for being matched and plugged with the short side frame; the second connecting end face is hinged with the lower rotating member 32 through the lower pin shaft 33, and the movable end of the lower rotating member 32 is also provided with a splicing boss and spliced with the long frame section 11, so that the lower rotating member 32 can drive the connected long frame section 11 to rotate around the lower pin shaft 33 for 90 degrees towards the inner side of the display frame.

As shown in fig. 2 and 5: the upper corner connecting piece 9 comprises an upper corner body 91, an upper rotating piece 92 and an upper pin shaft 93, and the upper corner connecting piece 9 and the lower corner connecting piece 3 are similar in structure and are different in the inclination directions of the upper pin shaft 93 and the lower pin shaft 33, so that the upper long frame and the lower long frame are ensured to be folded obliquely and obliquely in the same direction; as shown in fig. 7: the upper corner connecting piece 9 and the lower corner connecting piece 3 are respectively arranged on the upper side and the lower side of the long frame to form an axisymmetric structure.

In this embodiment, the following corner connector is taken as an example to describe the design problem of the inclination angle. As shown in fig. 2 to 4: the upper end face of the second connecting end face 311 of the lower corner connecting piece 3 is of an inclined butt joint structure with left high and right low; the lower pin shaft is obliquely inserted and installed on the second connecting end face 311 downwards towards the right end and towards the inner side of the display frame by taking the left end as a reference; an included angle alpha is formed between the straight line where the lower pin shaft is positioned and the horizontal plane; an included angle beta is formed between the straight line where the lower pin shaft is positioned and the vertical plane; in the embodiment, the included angle alpha is the same as the included angle beta, so that a mutual compensation structure of the inclined angle is formed, and the long frame and the short frame after being obliquely folded can be parallel to each other; in order to reduce the folded volume as much as possible, the included angle should be smaller than 10 degrees, and in this embodiment, both the included angle α and the included angle β are 3.5 degrees. In order to enable the long frame to vertically stand after the display rack is unfolded, the butt joint face of the upper lower rotating piece, which is in butt joint with the second connecting end face 311 of the lower corner body, is designed to be a left-narrow right-wide matching structure, and the splicing boss formed by the movable end of the lower rotating piece 32 is vertically spliced with the long frame 1 in the forward direction; thus, the lower rotating piece 32 can drive the long frame section 11 to fold obliquely towards the corresponding direction, and the long frame can be erected normally after being unfolded.

As shown in fig. 6: the middle connecting piece 4 comprises a middle body 41 and a doubling piece 42 hinged with two ends of the middle body through pins, and the doubling piece can rotate around the pins towards the outer side of the display frame; the two long frame sections 11 are respectively connected with the two doubling pieces 42 in an inserting manner, so that the long frame is folded inwards; the middle body of the middle connecting piece is provided with a clamping end 43 which is used for fixedly connecting the unfolded display frame with the support rod 5.

As shown in fig. 9: in this embodiment, the cross-sectional structures of the short frame 2 and the long frame 1 are the same, but the lengths are different. In the embodiment, the structure of the short frame 2 is described by taking the short frame 2 as an example, and two insertion holes 21 are formed on the inner side end surface of the short frame along the length direction and are used for being connected with the middle connecting piece 4, the corner connecting piece and the middle reverse connecting piece 8 in an inserting way; a mounting groove 22 is formed between the two insertion holes for mounting the light emitting module 6; cloth clamping grooves 23 are formed on the lateral sides of the short frame 2 and are used for fixedly connecting with the periphery of the canvas.

As shown in fig. 1: the display frame is provided with a baseboard 7, and the baseboard 7 is fixedly connected with the short side frame.

As shown in fig. 6, 7 and 8: the hinge structure of the middle connecting piece 4 is normally designed, and four corners of the display rack are connected by special corner connecting pieces designed in the scheme; the long left side frames 1 are obliquely folded from the middle to the back of the display frame through the axisymmetric upper and lower corner connecting pieces, and the long right side frames are obliquely folded from the middle to the front of the display frame, so that the long left side frames and the long right side frames form a front-back staggered non-overlapping structure after being folded, and the limit of the transverse length of the short side frames is overcome.

As shown in fig. 6: the height of the middle body 41 in this embodiment is adapted to the folded height of the long frame 1. Finally, the display frame can be folded into a minimum structural state.

According to the embodiment and the attached drawings, the scheme display rack is fast and convenient to install and fix without any tool assistance during folding, unfolding and fixing installation, and matching of other parts is not needed.

In the embodiment, the support rods are used for limiting and stabilizing the display rack structure; of course, the application can also add damping design or clamping design or tight fit design of the middle body of the middle connecting piece 4 and the folded piece on the basis of hinging the middle body and the folded piece so as to ensure the stability of the opposite positions of the middle body and the folded piece after being unfolded without using a supporting rod; the upper corner connecting piece and the lower corner connecting piece can also adopt the structure, so that the position stability of the long frame after being unfolded is ensured; finally, the display rack is further stabilized through a buckle canvas and the like, and the damping design, the clamping design, the tight fit design and the like are conventional designs and are not further discussed.

Example 2:

as shown in fig. 10, on the basis of embodiment 1, the folding display stand according to this embodiment is longitudinally expanded, and includes two pairs of long frames 1. The present display frame introduces an intermediate reverse connection 8 upon expansion.

As shown in fig. 12: the middle reverse link 8 includes a middle reverse body 81 and reverse rotation members 82 respectively hinged to both ends of the middle reverse body by positioning pins 83; the middle reverse body 81 is provided with a bayonet 84 which is in butt joint with the supporting rod; the reverse rotation member is rotatable around the positioning pin in the inward direction of the display frame, and the rotation direction of the reverse rotation member 82 is opposite to the rotation direction of the folded member on the intermediate connection member 4. As shown in fig. 11: the middle reverse connecting piece 8 is of a normal hinge structure, and one end of the adjacent long frame 1 on the same side is respectively connected with the reverse rotating piece 82 in an inserting way; as shown in fig. 10 and 11: the middle reverse connecting pieces 8 on the left side and the right side after being unfolded are fixedly connected through the supporting rods 5. When the folding is carried out, the two long frames on the same side are respectively folded towards the inner side of the display frame, and finally the two long frames folded by the middle reverse connecting piece 8 are overlapped together to form a double-layer structure; but the same as in the embodiment 1, the two side frames are in a mutually staggered structure after being folded.

The structure of the clamping end 43 arranged on the middle body is similar to that of the bayonet 84 arranged on the middle reversing body 81.

According to the embodiment and the attached drawings, the purposes of integral folding and integral unfolding of the display rack and quick assembling and quick folding are achieved, the use requirements in the display field are greatly met, the length of the frame is not limited, and the display rack is flexible to use. In addition, the structures of the upper short frame and the lower short frame in the application can be different and are determined according to the use requirements.

Example 3:

as shown in fig. 13 and 14, on the basis of embodiment 1, the folding display stand according to this embodiment optimizes the electrical connection structure between two light assemblies installed in the long frame section, so that the two light assemblies can realize an electrical serial connection structure after the frame is unfolded. The method comprises the following steps: two first conductive posts 45 penetrating the middle body up and down are fixed on the middle body 41 of the middle connecting piece, and two ends of the first conductive posts 45 slightly exceed two side end faces of the middle body. As shown in fig. 15: a conductive terminal 61 is arranged on one side of the lamplight assembly 6 close to the middle connecting piece, and two conductive posts 611 extending to one side of the middle connecting piece and exceeding the conductive terminal are arranged in the conductive terminal 61 through springs 612; the first conductive post 45 and the conductive post 611 are in corresponding positions and contact with each other after the long frame is unfolded; at the same time, due to the presence of the spring 612, the reliability of the contact between the first conductive post 45 and the conductive post 611 is ensured. When the display rack is folded, the first conductive column and the second conductive column are separated, so that safety between the two light assemblies is guaranteed.

In this embodiment, the light assembly fixed in the mounting groove is a light strip. The present embodiment further adds a tension bar 421 to the doubled-over member of the intermediate connecting member, thereby ensuring the tightness of the connection with the long frame section 11.

The terms "vertical", "horizontal", "left", "right", "high", "low" and the like are used herein for the purpose of detailed description of the present embodiment and the drawings only, so as to better understand the design concepts of the present application.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A folding display rack, includes the exhibition frame, the exhibition frame includes a pair of short frame and a pair of long frame at least, its characterized in that still includes: the corner connecting piece comprises an upper corner connecting piece and a lower corner connecting piece, and two ends of the long frame are respectively connected with the upper short frame and the lower short frame through the upper corner connecting piece and the lower corner connecting piece; the middle connecting piece is positioned in the middle of the long frame and divides the long frame into two parts, and the long frame can be folded from the middle to the inner side of the display frame through the middle connecting piece; the long frames on two sides can be folded in half from the middle through the corner connecting piece and then folded and stored on the short frames on the lower side in a staggered mode.

2. The foldable display stand of claim 1, wherein: the lower corner connecting piece comprises a lower corner body, a lower pin shaft and a lower rotating piece; the lower rotating piece is connected with the lower corner body through a lower pin shaft and can rotate around the lower pin shaft to extend the inner side direction of the frame; the movable end of the lower rotating piece is connected with the long frame in an inserting way; the lower pin shaft takes one end as a reference, and the other end of the lower pin shaft is downwards and obliquely inserted and installed at the connecting end of the corner body and the rotating piece in the direction of the inner side of the display frame; the upper corner connecting piece comprises an upper corner body, an upper pin shaft and an upper rotating piece, and the upper corner connecting piece and the lower corner connecting piece are respectively arranged at the upper end and the lower end of the long frame to form an axisymmetric structure.

3. The foldable display stand of claim 2, wherein: the downward inclination angle of the lower pin shaft is the same as the inclination angle of the direction towards the inner side of the display frame.

4. The foldable display stand of claim 1, wherein: the middle connecting piece comprises a middle body and folding pieces hinged to two ends of the middle body respectively through pins, and the folding pieces can rotate around the pins towards the outer side of the display frame.

5. The foldable display stand of claim 4, wherein: the folding device also comprises a supporting rod, wherein two ends of the supporting rod are connected with the middle body in a clamping manner and used for limiting folding after the long frame is unfolded.

6. The foldable display stand of claim 4, wherein: two jacks are arranged on the inner side end surfaces of the short side frame and the long side frame along the length direction, and a mounting groove is formed between the two jacks.

7. The foldable display stand of claim 6, wherein: and a light component is arranged in the mounting groove.

8. The foldable display stand of claim 1, wherein: the middle reverse connecting piece and the supporting rod are arranged for connecting two pairs of long frames and more than two pairs of long frames; the middle reverse connecting piece comprises a middle reverse body and reverse rotating pieces hinged to two ends of the middle reverse body respectively through positioning pins, and the reverse rotating pieces can rotate around the positioning pins towards the inner side of the display frame; one end of the adjacent long frame at the same side is respectively connected with the reverse rotation parts in an inserting way, and the middle reverse connection parts at the corresponding positions of the left side and the right side are connected through the support rods and used for limiting the middle reverse connection parts to rotate after the display rack is unfolded.

9. The foldable display stand of claim 4, wherein: the height of the middle body is matched with the height of the long frame after being folded in half.

10. The foldable display stand of claim 7, wherein: the lamp light assembly is provided with a conductive terminal close to one side of the middle connecting piece, and a conductive column extending to one side of the middle connecting piece and exceeding the conductive terminal is arranged in the conductive terminal through a spring; a first conductive post penetrating through the middle body is fixed on the middle body of the middle connecting piece at a position corresponding to the conductive post; after the display rack is unfolded, the electric connection of the light assemblies on two sides of the middle connecting piece is realized through the contact connection of the conductive column and the conductive column I.

Images