CN217461630U

CN217461630U - Indoor exhibition is with exhibition room convenient to dismouting

Info

Publication number: CN217461630U
Application number: CN202221313605.2U
Authority: CN
Inventors: 张全
Original assignee: Wuhan Zonguan Exhibition Co ltd
Current assignee: Wuhan Zonguan Exhibition Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-09-20
Anticipated expiration: 2032-05-24

Abstract

The utility model relates to a field of exhibition hall technique specifically discloses an indoor exhibition is with exhibition hall of dismouting of being convenient for, and it includes exhibition wall and backup pad, the backup pad orientation the one end of exhibition wall rotate connect in on the exhibition wall, the backup pad is kept away from the one end of exhibition wall is rotated and is connected with the bracing piece, the bracing piece is kept away from the one end of backup pad is rotated and is connected with the locking piece, the backup pad the bracing piece and the axis of rotation of locking piece is all unanimous, be provided with on the exhibition wall and be used for with locking piece locking is in the locking subassembly on the exhibition wall. This application has the effect of the connection steadiness that improves backup pad and exhibition wall.

Description

Indoor exhibitions is with exhibition room convenient to dismouting

Technical Field

The application relates to the technical field of exhibition halls, in particular to an exhibition hall convenient to disassemble and assemble for indoor exhibition.

Background

In exhibition activities such as exhibitions, exhibition and sales, and the like, temporary exhibition halls are often required to be built on the activity site so as to show products to exhibitors through the exhibition halls.

Among the correlation technique, an indoor exhibition room of meeting and showing includes the exhibition wall, and the lateral wall of exhibition wall is improved level and is provided with the backup pad that is used for placing the showpiece, and bolt fixed connection is passed through on the exhibition wall to one side of backup pad orientation exhibition wall.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the supporting plate is only arranged on the exhibition wall through the bolt on one side, when the exhibit is heavy, the supporting plate is easy to be pressed and inclined by the heavy pressure of the exhibit; and when the backup pad was pressed overweight, the backup pad still can be followed the exhibition and dropped off on the wall easily to make the backup pad be difficult to carry out stable support to the showpiece.

SUMMERY OF THE UTILITY MODEL

In order to improve the backup pad and be difficult to carry out the problem that stably supports to the showpiece, this application provides an indoor exhibitions with be convenient for dismouting exhibition room.

The application provides an indoor exhibition is with exhibition room convenient to dismouting adopts following technical scheme:

the utility model provides an indoor exhibition room of dismouting of being convenient for of exhibitions, includes exhibition wall and backup pad, the backup pad orientation the one end of exhibition wall rotate connect in on the exhibition wall, the backup pad is kept away from the one end of exhibition wall is rotated and is connected with the bracing piece, the bracing piece is kept away from the one end of backup pad is rotated and is connected with the locking piece, the backup pad the bracing piece and the axis of rotation of locking piece is all unanimous, be provided with on the exhibition wall be used for with locking piece locking subassembly on the exhibition wall.

Through adopting above-mentioned technical scheme, the backup pad is connected on the exhibition wall towards the one end of exhibition wall, the other end passes through the bracing piece and supports on the exhibition wall with the lock block, thereby make the backup pad through the bracing piece, form triangle stable support structure between bracing piece and the exhibition wall, the support that makes the both ends of backup pad all firm is on the exhibition wall, thereby effectual improvement backup pad and exhibition wall be connected the steadiness, make the backup pad difficult emergence pressurized slope and pressurized drop when receiving the exhibit weight, thereby be convenient for the backup pad to carry out the outrigger to heavier exhibit.

Optionally, the locking assembly includes a guide rail and a limiting block, the guide rail is fixedly disposed on the exhibition wall, a sliding groove in sliding fit with the locking block is formed in the guide rail, an extending direction of the sliding groove is perpendicular to a rotation axis of the support rod, a mounting hole communicated with the sliding groove is formed in the guide rail, the limiting block is slidably disposed in the mounting hole, and an adjusting member for driving one end of the limiting block to slidably extend into an inner cavity of the sliding groove is disposed in the mounting hole; when the one end of stopper stretches into in the spout, the spout keep away from the backup pad an inner wall with the stopper is kept away from the interval between an inner wall of backup pad equals the thickness of locking piece.

Through adopting above-mentioned technical scheme, the staff rotates the bracing piece and makes the locking piece on the bracing piece slide in the spout, when the locking piece slided to the spout and keeps away from an inner wall of backup pad, the staff ordered about the stopper through the regulating part and slided in the spout to make the locking piece with the locking piece shutoff in the spout, the locking piece was difficult to take place the displacement this moment, thereby realizes the quick locking of locking piece on the exhibition wall.

Optionally, the regulating part is a limiting spring, one end of the limiting spring is fixedly connected with the limiting block, the other end of the limiting spring is fixedly connected with the inner wall of the mounting hole, and when the limiting spring is in a free relaxation state, one end of the limiting block extends into the inner cavity of the sliding groove.

Through adopting above-mentioned technical scheme, the staff presses the stopper earlier to through stopper compression limiting spring, thereby make the stopper retract the mounting hole completely, make things convenient for the staff to slide the locking piece in the spout and pass through the stopper.

Optionally, the stopper is kept away from one side slope of exhibition wall, and follows the backup pad extremely the direction slope of exhibition wall is upwards.

Through adopting above-mentioned technical scheme, keep away from the one side slope setting of exhibition wall with the stopper to when making the lock block slide in the spout, press one side of stopper slope through the lock block, thereby make the stopper receive pressing of lock block and withdraw to in the mounting hole, when the lock block slides through the stopper, the lock block is from the inside roll-off of mounting hole under spacing spring's restoring force effect, thereby has realized the quick location of lock block in the spout.

Optionally, the locking assembly comprises a mounting seat and a locking bolt, the mounting seat is provided with a positioning groove matched with the locking block in an inserting manner, the locking block is provided with a threaded hole, the mounting seat is correspondingly provided with a through hole, and one end of the locking bolt penetrates through the through hole and is assembled in the threaded hole in a threaded manner.

Through adopting above-mentioned technical scheme, during the staff penetrated the through-hole of mount pad with the locking bolt, then assembled locking bolt's screw thread in the screw hole of locking piece to realize the stable locking of locking piece on the mount pad, make the bracing piece stable support the backup pad on the exhibition wall.

Optionally, a through hole is formed in one end, facing the exhibition wall, of the supporting plate, the extending direction of the through hole is parallel to one side wall, facing the supporting plate, of the exhibition wall, two rotating shafts are slidably arranged in the through hole along the extending direction of the through hole, a connecting spring for connecting the two rotating shafts is arranged between the two rotating shafts, and when the connecting spring is in a free relaxation state, one end, far away from each other, of each of the two rotating shafts extends out of an inner cavity of the through hole; the exhibition wall is provided with positioning seats which correspond to the two rotating shafts one by one, and one sides of the positioning seats facing the supporting plate are provided with jacks for the rotating shafts to be inserted.

By adopting the technical scheme, when the worker installs the support plate and the exhibition wall, the worker presses the rotating shafts at the two ends of the support plate, so that the two rotating shafts return to the through hole; then the staff removes the backup pad to between two positioning seats, through relaxing two pivots, and makes two pivots support tightly on the positioning seat one by one under coupling spring's restoring force effect, then the staff through promoting the backup pad, can be in the backup pad when the jack on perforation and the positioning seat is aligned, make the pivot insert the jack through coupling spring's restoring force effect to realize the quick installation of backup pad on the exhibition wall.

Optionally, the bracing piece is including the first connecting portion, thread bush and the second connecting portion that connect gradually, the one end of first connecting portion with the backup pad rotates to be connected, the other end with thread bush threaded connection, the one end of second connecting portion with the locking piece rotates to be connected, the other end with thread bush threaded connection, the screw thread at thread bush both ends revolves to opposite.

Through adopting above-mentioned technical scheme, the staff can carry out the flexible of bracing piece through rotating the thread bush to when carrying out the use of backup pad, make convenient the keeping in the horizontality of backup pad through extending the bracing piece, thereby make the backup pad carry out the outrigger to the showpiece.

Optionally, the bracing piece corresponds two the pivot is provided with two, the locking subassembly corresponds two bracing pieces and is provided with two, the bottom of backup pad is seted up and is used for holding the holding tank of bracing piece, the holding tank with the perforation is linked together, the annular has been seted up to all sides of pivot, the annular orientation one side of coupling spring is the inclined plane, the inclined plane is followed coupling spring extremely the direction slope of pivot is close to the axle center of pivot, the locking piece with the laminating is rotated on the inclined plane.

Through adopting above-mentioned technical scheme, when the staff need carry out the dismantlement of backup pad, the staff rotates the bracing piece and accomodates in the holding tank, and the inclined plane of pivot is pressed to the locking piece on this in-process bracing piece to return completely to perforating through pressing of locking piece to the inclined plane, make things convenient for the staff to remove the backup pad from between two positioning seats this moment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. one end of the supporting plate, which faces the exhibition wall, is connected to the exhibition wall, and the other end of the supporting plate is supported on the exhibition wall through the supporting rod and the locking block, so that the connection stability of the supporting plate and the exhibition wall is improved;

2. when the locking block slides to the inner wall of the sliding groove far away from the supporting plate, a worker drives the limiting block to slide into the sliding groove through the adjusting piece, so that the locking block is blocked in the sliding groove by the locking block, the locking block is difficult to displace at the moment, and the locking block is quickly locked and installed on the exhibition wall;

3. when the staff need carry out the dismantlement of backup pad, the staff rotates the bracing piece and accomodates in the holding tank, and the inclined plane of pivot is pressed to the locking piece on this in-process bracing piece to through the locking piece to pressing down of inclined plane and make the pivot return completely to perforate, the staff can be convenient at this moment follow and demolish the backup pad between two positioning seats.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a view showing the arrangement position of a plurality of support plates in the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a support plate, a support rod and a guide rail in the embodiment of the present application;

FIG. 4 is an exploded view of the support plate, the shaft and the positioning socket;

FIG. 5 is a cross-sectional view of the guide rail, stop block, and locking block;

FIG. 6 is a schematic view of another embodiment of a locking assembly.

Reference numerals: 1. exhibition walls; 11. positioning seats; 111. a jack; 2. a support plate; 21. perforating; 22. accommodating grooves; 3. a support bar; 31. a first connection portion; 32. a threaded sleeve; 33. a second connecting portion; 4. a locking block; 5. a locking assembly; 51. a guide rail; 511. a chute; 512. mounting holes; 52. a limiting block; 53. a mounting seat; 54. locking the bolt; 6. a projection module; 61. a multi-dimensional imager; 62. a data processor; 7. a rotating shaft; 71. an inclined surface; 8. a connecting spring; 9. an adjustment member; 91. and a limiting spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses indoor exhibition is with exhibition room convenient to dismouting.

Refer to fig. 1, fig. 2 and fig. 3, indoor exhibition is with exhibition room that is convenient for dismouting includes four sides exhibition wall 1 and installs a plurality of backup pads 2 on exhibition wall 1, backup pad 2 rotates towards the one end of adjacent exhibition wall 1 and connects on exhibition wall 1, backup pad 2 keeps away from the length direction rotation of one end edge backup pad 2 of exhibition wall 1 and is connected with two bracing pieces 3, the one end that backup pad 2 was kept away from to two bracing pieces 3 all rotates and is connected with locking piece 4, backup pad 2, the axis of rotation of bracing piece 3 and locking piece 4 all is unanimous with the length direction of backup pad 2, it all is provided with locking subassembly 5 to correspond each locking piece 4 on exhibition wall 1, locking subassembly 5 is used for locking piece 4 on exhibition wall 1, be provided with on exhibition wall 1 and be used for carrying out virtual projected projection module 6 to the showpiece on backup pad 2.

Referring to fig. 3 and 4, in order to install backup pad 2 on exhibition wall 1 fast, perforation 21 has been seted up towards the one end of exhibition wall 1 to backup pad 2, perforation 21's extending direction is parallel with one side wall of exhibition wall 1 towards backup pad 2, it is provided with two pivots 7 to slide along perforation 21's extending direction in the perforation 21, be provided with connecting spring 8 between two pivots 7, connecting spring 8's both ends and two pivots 7 bond one by one, when connecting spring 8 is in the free relaxation state, the inner chamber of perforation 21 is all stretched out to the one end that two pivots 7 kept away from each other. The positioning seats 11 are symmetrically arranged on the exhibition wall 1 on two sides of the length direction of the supporting plate 2, the positioning seats 11 correspond to the two rotating shafts 7 one by one, and one side, facing the supporting plate 2, of the positioning seat 11 is provided with insertion holes 111 for inserting the rotating shafts 7.

During erection bracing board 2, the staff presses two pivot 7 earlier and retracts in perforating 21, then the staff removes backup pad 2 to between two positioning seats 11, through relaxing two pivot 7, and make two pivot 7 support the surface of pasting at positioning seat 11 one by one under coupling spring 8's restoring force effect, then the staff is through promoting backup pad 2, thereby when perforation 21 in backup pad 2 aligns with jack 111 on positioning seat 11, through coupling spring 8's restoring force effect and make pivot 7 insert jack 111, thereby realize backup pad 2 in the quick installation on exhibition wall 1.

Referring to fig. 3 and 5, in order to stably support the supporting plate 2 on the exhibition wall 1, the locking assembly 5 includes a guide rail 51 and a limiting block 52, the guide rail 51 is vertically fixed on the exhibition wall 1 through a bolt, a sliding groove 511 matched with the sliding of the locking block 4 is formed on the guide rail 51, the extending direction of the sliding groove 511 is perpendicular to the rotation axis of the supporting rod 3, the inner cavity of the sliding groove 511 is communicated with the top end of the guide rail 51, in this embodiment, the sliding groove 511 is a T-shaped sliding groove 511, and the locking block 4 is a T-shaped block. The guide rail 51 is provided with a mounting hole 512 communicated with the side wall of the sliding groove 511, the limiting block 52 is arranged in the mounting hole 512 in a sliding manner, and the distance between an inner wall of the limiting block 52 far away from the support plate 2 and an inner wall of the sliding groove 511 far away from the support plate 2 is equal to the thickness of the locking block 4. The stopper 52 is inclined away from the side of the exhibition wall 1 and is inclined upward in the direction from the support plate 2 to the exhibition wall 1. An adjusting piece 9 for driving one end of the limiting block 52 to slide and extend into the inner cavity of the sliding groove 511 is arranged in the mounting hole 512; in this embodiment, the adjusting member 9 is a limiting spring 91, and in other embodiments, the adjusting member 9 may also be an elastic sheet, a rubber pad, an electric push rod, or the like. One end of the limiting spring 91 is bonded with the limiting block 52, and the other end is bonded with the inner wall of the mounting hole 512. When the limiting spring 91 is in a free relaxation state, one end of the limiting block 52 extends into the inner cavity of the sliding groove 511.

When the worker installs the support rod 3 and the exhibition wall 1, the worker rotates the support rod 3 and inserts the locking block 4 on the support rod 3 downwards into the sliding groove 511, then the worker continuously pushes the support rod 3, and when the locking block 4 on the support rod 3 slides to the position of the limiting block 52, the locking block 4 presses the inclined surface of the limiting block 52, so that the limiting block 52 is compressed and returned to the installation hole 512; then, the locking block 4 that continuously moves passes through the limiting block 52, and the locking block 4 extends out of the mounting hole 512 under the action of the restoring force of the limiting spring 91, so that the locking block 4 is rapidly limited between the inner bottom wall of the sliding groove 511 and the limiting block 52, the locking block 4 and the limiting block 52 are mutually attached, the locking block 4 and the inner bottom wall of the sliding groove 511 are mutually attached, and at the moment, under the support of the support rod 3, the support plate 2 is in a horizontal state.

Referring to fig. 6, in another embodiment, the locking assembly 5 includes a mounting base 53 and a locking bolt 54, the mounting base 53 is mounted on the display wall 1 through the bolt, and a positioning groove adapted to the locking block 4 is formed on the mounting base 53. The locking block 4 is provided with a threaded hole, the mounting seat 53 is correspondingly provided with a through hole, and the rod part of the locking bolt 54 penetrates through the through hole and is assembled in the threaded hole in a threaded manner. The locking block 4 is locked on the mounting seat 53 through the locking bolt 54, so that the locking limit of the support rod 3 can be realized, and the support rod 3 can stably support the support plate 2.

In order to facilitate the staff to carry out the dismantlement of backup pad 2 and retrieve after the exhibition is finished. Referring to fig. 3, 4 and 5, the bottom of the supporting plate 2 is provided with a receiving groove 22 for receiving the supporting rod 3 and the locking block 4, and the receiving groove 22 is communicated with the through hole 21. The support rod 3 comprises a first connecting portion 31, a threaded sleeve 32 and a second connecting portion 33 which are sequentially connected, one end of the first connecting portion 31 is rotatably connected with the support plate 2 through a rotating shaft, the other end of the first connecting portion is in threaded connection with one end of the threaded sleeve 32 in the length direction, one end of the second connecting portion 33 is rotatably connected with the locking block 4 through a rotating shaft 7, the other end of the second connecting portion is in threaded connection with the other end of the threaded sleeve 32, and the thread turning directions of the two ends of the threaded sleeve 32 are opposite. The circumferential side of the rotating shaft 7 is provided with a ring groove, one side of the ring groove facing the connecting spring 8 is an inclined surface 71, and the inclined surface 71 is inclined to be close to the axis of the rotating shaft 7 along the direction from the connecting spring 8 to the rotating shaft 7. After the worker removes the locking block 4 on the support rod 3 from the guide rail 51, the worker holds the second connecting portion 33 and rotates the threaded sleeve 32, so that the distance between the first connecting portion 31 and the second connecting portion 33 is shortened through the threaded sleeve 32, and the retracted support rod 3 can be accommodated in the accommodating groove 22. When the staff rotated bracing piece 3 and accomodate in holding tank 22, the laminating was rotated with the inclined plane 71 of pivot 7 to the locking piece 4 on the bracing piece 3, then continued the locking piece 4 on the pivoted bracing piece 3 to press down and return completely to perforation 21 through locking piece 4 on the inclined plane 71, locking piece 4 and mount pad 53 phase separation make things convenient for the staff to remove backup pad 2 from between two support pads.

Referring to fig. 2, the projection module 6 includes a plurality of multi-dimensional imagers 61 arranged across the exhibition wall 1 and a data processor 62 installed on the exhibition wall 1 for receiving image information of the multi-dimensional imagers 61, the multi-dimensional imagers 61 record data of the environment in the exhibition hall, and the data processor 62 collects, processes and dynamically models data of the plurality of multi-dimensional imagers 61 to construct a virtual environment model of the environment in the exhibit and data of the exhibit itself. The data processor 62 is connected with the central control console through signals, each exhibit comprises 3 product parameters which are set according to the light irradiation form (such as a strong light irradiation state, a diffuse light irradiation state, a light turning-off state and the like) in the exhibition hall, the 3 product parameters are dynamically adjusted according to the time change of the day, and a participant who is not positioned on the exhibit can perform simulated observation on the exhibit in the exhibition hall according to devices such as VR glasses, virtual projectors and the like so as to realize online observation of other customers.

The embodiment of the application provides an indoor exhibition is with exhibition room's of dismouting of being convenient for implementation principle does: the staff presses the shrink back in the perforation 21 with two pivots 7 earlier, then remove backup pad 2 to between two positioning seats 11, through relaxing two pivots 7, and make two pivots 7 support tightly on positioning seat 11 one by one under coupling spring 8's restoring force effect, then the staff is through promoting backup pad 2, can be when perforation 21 on backup pad 2 aligns with jack 111 on positioning seat 11, make pivot 7 insert jack 111 through coupling spring 8's restoring force effect, thereby realize backup pad 2 and install fast on exhibition wall 1.

The worker then rotates the support rod 3 and extends the length of the support rod 3 by rotating the threaded sleeve 32 of the support rod 3. Through inserting the locking piece 4 on the bracing piece 3 in the spout 511 downwards, then continuously promote bracing piece 3, restrict locking piece 4 between the interior diapire of spout 511 and stopper 52 through stopper 52 to make locking piece 4 be difficult to take place to remove, and backup pad 2 is in the horizontality under the support of bracing piece 3, thereby accomplishes the outrigger of backup pad 2 on exhibition wall 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an indoor exhibition is with exhibition room convenient to dismouting, includes exhibition wall (1) and backup pad (2), its characterized in that: backup pad (2) orientation the one end of exhibition wall (1) rotate connect in on exhibition wall (1), backup pad (2) are kept away from the one end of exhibition wall (1) is rotated and is connected with bracing piece (3), bracing piece (3) are kept away from the one end of backup pad (2) is rotated and is connected with locking piece (4), backup pad (2) bracing piece (3) and the axis of rotation of locking piece (4) is all unanimous, be provided with on exhibition wall (1) be used for with locking piece (4) locking subassembly (5) on exhibition wall (1).

2. The exhibition hall of claim 1, wherein the exhibition hall is convenient to disassemble and assemble, and comprises: the locking assembly (5) comprises a guide rail (51) and a limiting block (52), the guide rail (51) is fixedly arranged on the exhibition wall (1), a sliding groove (511) matched with the locking block (4) in a sliding manner is formed in the guide rail (51), the extending direction of the sliding groove (511) is perpendicular to the rotation axis of the supporting rod (3), a mounting hole (512) communicated with the sliding groove (511) is formed in the guide rail (51), the limiting block (52) is arranged in the mounting hole (512) in a sliding manner, and an adjusting piece (9) for driving one end of the limiting block (52) to extend into the inner cavity of the sliding groove (511) in a sliding manner is arranged in the mounting hole (512); the distance between an inner wall of the sliding groove (511) far away from the supporting plate (2) and an inner wall of the limiting block (52) far away from the supporting plate (2) is equal to the thickness of the locking block (4).

3. The exhibition hall of claim 2, wherein the exhibition hall is convenient to disassemble and assemble, and comprises: regulating part (9) are spacing spring (91), the one end of spacing spring (91) with stopper (52) fixed connection, the other end with mounting hole (512) inner wall fixed connection, work as when spacing spring (91) are in the free state of relaxing, the one end of stopper (52) stretches into spout (511) inner chamber.

4. The exhibition hall of claim 2, wherein the exhibition hall is convenient to disassemble and assemble, and comprises: the limiting block (52) is far away from one side of the exhibition wall (1) and inclines upwards along the direction from the supporting plate (2) to the exhibition wall (1).

5. The exhibition hall of claim 1, wherein the exhibition hall is convenient to disassemble and assemble, and comprises: locking subassembly (5) include mount pad (53) and locking bolt (54), mount pad (53) fixed connection is on exhibition wall (1), set up on mount pad (53) with the constant head tank of locking piece (4) grafting adaptation, set up threaded hole on locking piece (4), correspond on mount pad (53) and seted up the through-hole, the one end of locking bolt (54) runs through-hole and screw assembly in the threaded hole.

6. The exhibition hall of claim 5, wherein the exhibition hall is convenient to disassemble and assemble, and comprises: a through hole (21) is formed in one end, facing the exhibition wall (1), of the supporting plate (2), the extending direction of the through hole (21) is parallel to one side wall, facing the supporting plate (2), of the exhibition wall (1), two rotating shafts (7) are arranged in the through hole (21) in a sliding mode along the extending direction of the through hole (21), a connecting spring (8) used for connecting the two rotating shafts (7) is arranged between the two rotating shafts (7), and when the connecting spring (8) is in a free relaxation state, one end, far away from each other, of each rotating shaft (7) extends out of an inner cavity of the through hole (21);

be provided with on exhibition wall (1) with two pivot (7) one-to-one positioning seat (11), confession has been seted up towards one side of backup pad (2) in mount pad (53) pivot (7) male jack (111).

7. The exhibition hall of claim 6, wherein the exhibition hall is convenient to disassemble and assemble, and comprises: bracing piece (3) are including first connecting portion (31), thread bush (32) and second connecting portion (33) that connect gradually, the one end of first connecting portion (31) with backup pad (2) rotate to be connected, the other end with thread bush (32) threaded connection, the one end of second connecting portion (33) with lock block (4) rotate to be connected, the other end with thread bush (32) threaded connection, the screw thread at thread bush (32) both ends is revolved to opposite.

8. The exhibition hall of claim 7, wherein the exhibition hall is convenient to disassemble and assemble, and comprises: bracing piece (3) correspond two pivot (7) are provided with two, locking subassembly (5) correspond two bracing pieces (3) and are provided with two, the bottom of backup pad (2) is seted up and is used for holding tank (22) of bracing piece (3), holding tank (22) with perforation (21) are linked together, the annular has been seted up to the week side of pivot (7), the annular orientation a side of connecting spring (8) is inclined plane (71), inclined plane (71) are followed connecting spring (8) extremely the direction slope of pivot (7) is close to the axle center of pivot (7), locking piece (4) with inclined plane (71) rotate the laminating.