CN217386626U - Display frame - Google Patents

Abstract

The embodiment of the application discloses a display frame, wherein the display frame comprises a corner connecting piece, a turnover pressing strip, a first pipe and a second pipe which are adjacent, the turnover pressing strip is connected to the first pipe or the second pipe in a turnover mode, and a first caulking groove and a second caulking groove which are mutually communicated are formed in the second pipe; the corner connecting piece comprises a first plugging part, a second plugging part and a plugging plate, wherein the first plugging part extends along a first direction, and the second plugging part and the plugging plate extend along a second direction; the plug board is connected with the side edge of the second plug part extending along the second direction, the second plug part is provided with a first side wall adjacent to the board surface of the plug board, the first side wall is intersected with the board surface of the plug board, and the first direction is intersected with the second direction; the first inserting part is embedded in the inner side of the end part of the first pipe, which is adjacent to the second pipe, and the second inserting part and the inserting plate are respectively embedded in the first embedding groove and the second embedding groove in an adapting manner. The utility model discloses the corner connecting piece of show frame can hide completely, and the whole assembly is more swift and firm.

Description

Display frame

Technical Field

The application relates to the field of advertisement display, in particular to a display frame.

Background

At present, a plurality of places need to be provided with display frames, for example, advertisement poster frames and advertisement picture frames are arranged in shops and commercial places, propaganda prompting display frames are arranged in epidemic prevention code scanning places, and advertisement pictures for propaganda are usually printed and then installed on the display frames for displaying and propaganda.

The exhibition frame that uses at present is mostly the panel beating iron pipe welding, and this type of structure is firm though, nevertheless requires highly to welding personnel's welding level, consumes the manual work very much and polishes or assemble, and the solder joint exposes unattractive, is difficult for transportation and packing, and this can't satisfy the demand that modern society pursue simple easy-to-use to advertisement exhibition frame. At present, the display rack adopts a mode of connecting the corner connectors of the section bar outer sleeve, and the mode exposes the corner connectors, so that the integral aesthetic property is poor.

The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a show frame when the corner connecting piece can hide in the section bar completely for assembly between horizontal section bar and the vertical section bar is more simple swift and firm.

In order to achieve the above object, the present invention provides a display frame including a corner connector, a turning bead, a first tube and a second tube, the first tube extending along a first direction, the second tube extending along a second direction, the turning bead being connected to the first tube or the second tube in a turnable manner, the second tube being formed with a first caulking groove and a second caulking groove which are communicated with each other, the first caulking groove and the second caulking groove avoiding the setting of the turning bead;

the corner connecting piece comprises a first inserting part, a second inserting part and an inserting plate, the first inserting part extends along a first direction, the second inserting part extends along a second direction, and the end part of the first inserting part is connected with the end part of the second inserting part; the plugboard extends along the second direction, the plugboard is connected with the side edge of the second plugboard, which extends along the second direction, the second plugboard is provided with a first side wall adjacent to the board surface of the plugboard, the first side wall is intersected with the board surface of the plugboard, and the first direction is intersected with the second direction;

the first inserting part is embedded in the inner side of the end part, close to the second pipe, of the first pipe in a matching mode, the second inserting part is embedded in the first embedding groove in a matching mode, and the inserting plate is inserted in the second embedding groove in a matching mode.

In an embodiment, the first direction is a horizontal direction, the second direction is a vertical direction, and the width directions of the first caulking groove and the second caulking groove are intersected; the first inserting part and the second inserting part are of plate-shaped structures, the plate surface direction of the first inserting part is consistent with the plate surface direction of the second inserting part, and the plate surface direction of the inserting plate is intersected with the plate surface direction of the second inserting part; the first pipe is provided with an embedding groove and an overturning groove which extend along the transverse direction, the overturning groove is positioned above the embedding groove, and the first inserting part is embedded in the embedding groove; the turnover pressing strip extends along the transverse direction and can be arranged in the turnover groove in a vertically turnover mode.

In an embodiment, the side of the second insertion part far from the first insertion part is connected with the side of the insertion plate, one end of the insertion plate close to the first insertion part protrudes out of the first insertion part, the corner connector further comprises a protection strip, the protection strip is fixedly connected to one end of the insertion plate protruding out of the first insertion part, the extending direction of the protection strip is consistent with the width direction of the insertion plate, two ends of the protection strip protrude out of two side wall surfaces of the insertion plate to form a lap joint boss, and the lap joint boss is lapped on the periphery of the second pipe.

In an embodiment, a plurality of friction convex strips are arranged on a plate surface of the insertion plate, which is away from the first insertion part, a side wall surface of the second insertion part in the first direction, and two side wall surfaces of the first insertion part in the second direction.

In one embodiment, the display frame further comprises a middle corner brace, adjacent supporting tubes and a cross beam, the supporting tubes are connected to the second tube, the extending direction of the supporting tubes is intersected with the extending direction of the first tube and the extending direction of the second tube, and the extending direction of the cross beam extends along the transverse direction; the middle corner brace comprises an embedding part and a butting part which are connected with each other, the size of the transverse surface of the butting part is larger than that of the transverse surface of the embedding part, the embedding part is embedded in the supporting tube and is adjacent to the inner side of the end part of the cross beam, the butting part is butted against the end surface of the supporting tube, and the cross beam is embedded in the butting part.

In an embodiment, the first direction is vertical, the second direction is horizontal, the second caulking groove is located above the first caulking groove, and a transfer groove is formed between an upper wall surface of the first caulking groove and a side wall surface of the second caulking groove; the turnover pressing strip extends along the transverse direction and can be arranged in the transfer groove in a vertically turnover manner; the first inserting part and the second inserting part are of plate-shaped structures, and the plate surface direction of the first inserting part, the plate surface direction of the second inserting part and the plate surface direction of the inserting plate are consistent.

In an embodiment, the thickness of the plug board is smaller than the thickness of the first plug part and the second plug part.

In an embodiment, the corner connector further includes a protection structure, the protection structure includes a corner protecting strip and a mounting member that are connected to each other, the first inserting portion has a mounting groove formed in an end surface thereof adjacent to the inserting plate, the mounting member is detachably mounted in the mounting groove, the corner protecting strip is exposed from the mounting groove, and the inserting plate extends to press-fit the mounting member.

In one embodiment, the first plugging portion has a plugging end surface adjacent to the plugging plate, the plugging end surface is arranged obliquely towards the plugging plate, the first side wall extends to be connected with the plugging end surface, and the mounting groove is opened in the plugging end surface; the mounting piece comprises a connecting shaft and a pressing section which are connected with each other, the connecting shaft is inserted into the mounting groove, the inclination direction of the pressing section is consistent with that of the insertion end face, the wall face of the pressing section, which deviates from the insertion plate, is attached to the insertion end face, and the insertion plate presses the pressing section towards the wall face of the insertion plate.

In one embodiment, the wall surface of the pressing section facing the plugboard is provided with a clearance groove, and the clearance groove is arranged to avoid the plugboard; and/or the corner bead faces towards the side wall of the first pipe and the side wall of the second pipe, and a clamping block is convexly arranged on the side wall of the second pipe and is positioned on the inner side of the first pipe and the turnover pressing strip.

The utility model discloses the show frame is through making the upset layering connect in first pipe or second pipe with overturning, make intraductal first caulking groove and the second caulking groove that is formed with mutual intercommunication of second, first caulking groove and second caulking groove avoid the upset layering setting, then the upset layering can realize that fixed pressfitting places show board or advertisement album of paintings in the show frame, and easily realize getting of show board or advertisement album in the show frame through upset this upset layering and put more, the upset stroke of upset layering avoids first caulking groove and second caulking groove setting, then can prevent that the upset formation of corner connecting piece to the upset layering from interfering.

Make first grafting portion adaptation simultaneously and inlay in the tip of first pipe, second grafting portion adaptation inlays in first caulking groove, and the plugboard adaptation is pegged graft in the second caulking groove, so, whole corner connecting piece homoenergetic enough inlays in first pipe and second intraductal, in the assembly more simple swift, makes the corner connecting piece can hide completely to avoid the corner connecting piece to expose and influence the aesthetic property. In addition, through additionally setting up the cooperation of pegging graft of plugboard and second pipe, can increase the fitting area between corner connecting piece and the second pipe, and make and be the bikini assembly between corner connecting piece and first pipe and the second pipe, and then make the connection between corner connecting piece and the second pipe more firm reliable, and difficult emergence through this corner connecting piece is rocked between first pipe and the second pipe.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a display frame of the present invention, wherein a display board is mounted on the display frame;

FIG. 2 is a schematic structural view of the display frame of FIG. 1 with the display board removed;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a partially exploded view of the display frame of FIG. 2;

FIG. 5 is a schematic view of the corner connector of FIG. 4;

FIG. 6 is a schematic view of another angle of the corner connector of FIG. 5;

FIG. 7 is a schematic structural diagram of the middle corner brace of FIG. 2;

FIG. 8 is a cross-sectional view at an angle of the display frame of FIG. 2;

FIG. 9 is an enlarged view of a portion of FIG. 8 at B;

FIG. 10 is an enlarged view of a portion of FIG. 8 at C;

FIG. 11 is a schematic view of the structure of FIG. 4 from another angle;

FIG. 12 is an enlarged view of a portion of FIG. 11 at D;

FIG. 13 is a cross-sectional view of the display frame of FIG. 2 at another angle;

FIG. 14 is an enlarged view of a portion of FIG. 13 at E;

fig. 15 is a schematic structural view of another embodiment of the display frame of the present invention, wherein a display board is mounted on the display frame;

FIG. 16 is a schematic view of the display frame of FIG. 15 with the display board removed;

FIG. 17 is an enlarged view of a portion of FIG. 16 at F;

FIG. 18 is a cross-sectional view at an angle of the display frame of FIG. 16;

FIG. 19 is an enlarged view of a portion of FIG. 18 at G;

FIG. 20 is a partially exploded view of the display frame of FIG. 16;

FIG. 21 is a schematic view of the corner connector of FIG. 20;

FIG. 22 is an exploded view of the corner connector of FIG. 21;

FIG. 23 is a schematic view of the corner connector guard of FIG. 22 with the corner connector guard removed;

FIG. 24 is a schematic view of another angle of the corner connector of FIG. 22;

fig. 25 is a schematic structural view of another embodiment of the corner connector of the present invention;

FIG. 26 is a schematic view of the display frame of FIG. 20 at another angle;

fig. 27 is a partial enlarged view at H in fig. 26.

The reference numbers indicate:

reference numerals	Name(s)	Reference numerals	Name (R)	Reference numerals	Name (R)
						100	Corner connecting piece	160	Protective structure	320	Turnover groove
110	First plug-in part	161	Corner protecting strip	400	Second pipe
						111	Mounting groove	162	Clamping block	410	A first caulking groove
112	Plug end face	163	Mounting member	420	Second caulking groove
						120	Second plug part	164	Connecting shaft	430	Switching groove
121	First side wall	165	Pressing section	500	Middle corner connector
						130	Plug board	166	Keep away empty groove	510	Embedded part
140	Protective strip	200	Turnover pressing bar	520	Abutting part
						141	Lap joint boss	300	First pipe	600	Supporting tube
150	Friction rib	310	Embedding groove	700	Cross beam

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a display frame.

In the embodiment of the present invention, please refer to fig. 1 to 19, the display frame includes a corner connector 100, a turnover pressing bar 200, a first tube 300 and a second tube 400 adjacent to each other, the first tube 300 extends along a first direction, the second tube 400 extends along a second direction, the turnover pressing bar 200 is connected to the first tube 300 or the second tube 400 in a turnover manner, a first caulking groove 410 and a second caulking groove 420 which are mutually communicated are formed in the second tube 400, and the first caulking groove 410 and the second caulking groove 420 are arranged to avoid the turnover pressing bar 200;

the corner connector 100 includes a first plugging portion 110, a second plugging portion 120 and a plugging plate 130, the first plugging portion 110 extends along a first direction, the second plugging portion 120 extends along a second direction, and an end of the first plugging portion 110 is connected with an end of the second plugging portion 120; the inserting plate 130 extends along the second direction, the inserting plate 130 is connected with the side edge of the second inserting part 120 extending along the second direction, the second inserting part 120 is provided with a first side wall 121 adjacent to the plate surface of the inserting plate 130, the first side wall 121 is intersected with the plate surface of the inserting plate 130, and the first direction is intersected with the second direction;

the first inserting part 110 is fittingly inserted into an inner side of an end portion of the first pipe 300 adjacent to the second pipe 400, the second inserting part 120 is fittingly inserted into the first insertion groove 410, and the inserting plate 130 is fittingly inserted into the second insertion groove 420.

In this embodiment, the display frame may be a display rack placed on the ground, or a picture frame hung on a wall, and the specific type of the display frame is not limited herein. It will be appreciated that the display frame is generally rectangular in configuration, and the adjacent first and second tubes 300, 400 are perpendicular to each other. I.e. the first direction is perpendicular to the second direction. Taking the direction of the display frame placed on the ground or suspended as a reference, the first direction may also be a horizontal direction, and the second direction is correspondingly a direction perpendicular to the horizontal direction. It can be understood that the direction perpendicular to the horizontal direction may be the vertical direction, or may be a direction forming a certain included angle with the vertical direction.

The first and second pipes 300 and 400 are sectional materials, and the cross-sectional shape thereof may be circular, square, i-shaped, etc., and is not particularly limited thereto. Through making upset layering 200 connect in first pipe 300 or second pipe 400 invertedly, then establish the show board in the show frame interpolation after, upset layering 200 can overturn to pressfitting to the front side of show board, and then prevents that the show board from droing from the show frame, when needs take off the show board, can overturn layering 200 with overturning to the rear side of show board, and then convenience of customers takes off the show board. Generally, the turnover bead 200 extends in a horizontal direction, and the turnover bead 200 can be turned over up and down. That is, the turn-over batten 200 is turnably attached to the profile extending in the horizontal direction. A first caulking groove 410 and a second caulking groove 420 which are communicated with each other are formed in the second pipe 400, so that the first caulking groove 410 and the second caulking groove 420 are arranged to avoid the turnover trim strip 200, that is, the turnover stroke of the turnover trim strip 200 is arranged to avoid the first caulking groove 410 and the second caulking groove 420, and thus the interference of the corner connecting piece 100 on the turnover trim strip 200 can be prevented.

The material of the corner connecting member 100 may be many, for example, rubber, alloy, plastic, etc., and the material of the corner connecting member 100 may be selected according to actual requirements, which is not limited herein. The first mating part 110, the second mating part 120 and the mating plate 130 of the corner connector 100 may be integrally formed or may be separately formed. Generally, in order to improve the structural strength, the first and second socket parts 110 and 120 and the socket plate 130 are integrally formed. The first and second connectors 110 and 120 may be plate-shaped or block-shaped to be inserted into the first and second pipes 300 and 400. The lengths of the first and second sockets 110, 120 and the socket plate 130 may be selected and designed according to industry standards or actual requirements, and are not limited herein. Optionally, the extension length of the plugging plate 130 is consistent with the extension length of the second plugging portion 120, so as to ensure the connection stability of the plugging plate 130 and the second plugging portion 120 with the second pipe 400 respectively.

The plugging plate 130 extends along the second direction, and the plugging plate 130 is connected to a side of the second plugging portion 120 in the second direction. The second socket part 120 has a first sidewall 121 adjacent to the board surface of the socket board 130, so that the first sidewall 121 intersects with the board surface of the socket board 130, that is, the board surface of the socket board 130 is not stacked on the second socket part 120.

The first socket 110 is inserted into the first tube 300 in a first direction, and the second socket 120 and the socket plate 130 are inserted into the second tube 400 in a second direction. So that the first inserting part 110 is fittingly inserted into the end of the first pipe 300, the second inserting part 120 is fittingly inserted into the first insertion groove 410, and the inserting plate 130 is fittingly inserted into the second insertion groove 420. Make corner connecting piece 100 and first pipe 300 and second pipe 400 between for can dismantle the connection, compare in modes such as welding, the user assembly of being easier, and make the show frame be full dismouting structure, and then make things convenient for whole transportation and packing. And the whole corner connector 100 can be embedded in the first pipe 300 and the second pipe 400, so that the corner connector 100 can be completely hidden while the assembly is simpler and quicker, thereby avoiding the influence on the appearance caused by the exposure of the corner connector 100. After the first socket 110 is embedded in the first tube 300 and the second socket 120 and the socket plate 130 are embedded in the second tube 400, the first socket 110 and the first tube 300, the second socket 120 and the second tube 400 or the socket plate 130 and the second tube 400 can be fastened and connected by screws.

The utility model discloses the show frame is through making upset layering 200 connect in first pipe 300 or second pipe 400 with overturning, make be formed with the first caulking groove 410 and the second caulking groove 420 of mutual intercommunication in the second pipe 400, first caulking groove 410 and second caulking groove 420 avoid upset layering 200 to set up, then upset layering 200 can realize that fixed pressfitting places show board or the advertisement album of paintings in the show frame, and more easily realize getting of show board or advertisement album of paintings in the show frame through upset layering 200 and put, first caulking groove 410 and the setting of second caulking groove 420 are avoided to the upset stroke of upset layering 200, then can prevent that corner connecting piece 100 from forming the upset of upset layering 200 and interfering.

Meanwhile, the first insertion part 110 is inserted into the end of the first tube 300 in an adaptive manner, the second insertion part 120 is inserted into the first insertion groove 410 in an adaptive manner, and the insertion plate 130 is inserted into the second insertion groove 420 in an adaptive manner, so that the entire corner connector 100 can be inserted into the first tube 300 and the second tube 400, and the corner connector 100 can be completely hidden while the assembly is simpler and faster, thereby preventing the corner connector 100 from being exposed and affecting the aesthetic property. In addition, by additionally arranging the insertion plate 130 to be inserted and matched with the second pipe 400, the assembly area between the corner connector 100 and the second pipe 400 can be increased, and the corner connector 100 is assembled with the first pipe 300 and the second pipe 400 in a three-point manner, so that the corner connector 100 is more stably and reliably connected with the second pipe 400, and the first pipe 300 and the second pipe 400 connected through the corner connector 100 are not easy to shake.

In one embodiment, as shown in fig. 1 to 14, the first direction is a horizontal direction, the second direction is a vertical direction, and the width directions of the first caulking groove 410 and the second caulking groove 420 intersect; the first inserting part 110 and the second inserting part 120 are of plate-shaped structures, the plate surface direction of the first inserting part 110 is consistent with the plate surface direction of the second inserting part 120, and the plate surface direction of the inserting plate 130 is intersected with the plate surface direction of the second inserting part 120; the first tube 300 is provided with a embedding groove 310 and an overturning groove 320 which extend along the transverse direction, the overturning groove 320 is positioned above the embedding groove 310, and the first inserting part 110 is embedded in the embedding groove 310; the turnover pressing bar 200 extends in the transverse direction and is installed in the turnover groove 320 in a manner of being turned over up and down.

In this embodiment, the display frame may be embodied as a front frame of a display rack placed on the ground. The first direction is a horizontal direction and the second direction is a vertical direction, the first tube 300 extends in the horizontal direction and the second tube 400 extends in the vertical direction. It should be noted that the vertical direction does not only refer to the gravity direction, and in practical applications, the vertical direction may be changed according to the unfolding angle of the display frame, that is, the second direction may be set to form an included angle with the gravity direction. The turn-over bead 200 extends in the lateral direction, i.e., in accordance with the extending direction of the first tube 300 in the present embodiment. The first pipe 300 is provided with the turning groove 320 above the embedding groove 310, so that the up-and-down turning of the turning bead 200 is not influenced while the assembly between the corner connecting piece 100 and the first pipe 300 is satisfied. Generally, the turning-over pressing bar 200 is disposed at the upper portion of the display frame, so that a user can take, place and fix the display board or the advertisement picture album by turning over the turning-over pressing bar 200. The specific structure of the turnover strip 200 and the assembling structure between the turnover strip 200 and the turnover groove 320 can refer to the prior art, and are not limited in detail herein.

The first insertion part 110 and the second insertion part 120 are both arranged in a plate shape, so that the corner connecting piece 100, the first pipe 300 and the second pipe 400 can be more conveniently disassembled and assembled, and the corner connecting piece 100 integrally arranged in a plate shape has less material consumption and light weight. The width directions of the first caulking groove 410 and the second caulking groove 420 are intersected, that is, the cross sections of the first caulking groove 410 and the second caulking groove 420 are intersected. In order to ensure the structural strength and improve the connection stability, optionally, the plate surface direction of the insertion plate 130 is perpendicular to the plate surface direction of the second insertion part 120. The plate surface direction of the first insertion part 110 is consistent with the plate surface direction of the second insertion part 120, the plate surface direction of the insertion plate 130 is intersected with the plate surface direction of the second insertion part 120, and the insertion plate 130 is arranged approximately perpendicular to the first insertion part 110 and the second insertion part 120. When the corner connecting piece is installed, the first inserting part 110 is transversely inserted into the first pipe 300, the second inserting part 120 and the inserting plate 130 are vertically inserted into the second pipe 400, and the second inserting part 120 and the inserting plate 130 are assembled in the second pipe 400 in an L shape due to the fact that the plate surface direction of the second inserting part 120 is intersected with the plate surface direction of the inserting plate 130, so that the whole corner connecting piece 100 is in limit fit with the second pipe 400 in the front-back left-right direction, and the connecting stability between the corner connecting piece 100 and the second pipe 400 can be guaranteed. Meanwhile, the corner connecting piece 100 is applicable to the existing section bar with a concave cross section, the structure and the weight of the section bar do not need to be changed, the processing cost is low, and the installation stability is high.

In an embodiment, referring to fig. 3 and 5, a side of the second plugging portion 120 away from the first plugging portion 110 is connected to a side of the plugging plate 130, one end of the plugging plate 130 adjacent to the first plugging portion 110 protrudes out of the first plugging portion 110, the corner connector 100 further includes a protection strip 140, the protection strip 140 is fixedly connected to one end of the plugging plate 130 protruding out of the first plugging portion 110, an extending direction of the protection strip 140 is consistent with a width direction of the plugging plate 130, two ends of the protection strip 140 protrude out of two side wall surfaces of the plugging plate 130 to form an overlapping projection 141, and the overlapping projection 141 is overlapped on a periphery of the second tube 400.

In the present embodiment, the second plugging portion 120 has two sides extending along the second direction, and the plugging plate 130 is connected to the side of the second plugging portion 120 extending along the second direction and far away from the first plugging portion 110. In this way, the molding manufacturing of the entire corner connector 100 is easier, and the assembly between the corner connector 100 and the second pipe 400 is made easier. The protection strip 140 and the insertion plate 130 may be integrally formed or may be separately formed. Typically, the guard bar 140 is integrally formed with the patch panel 130. The end of the second pipe 400 can be blocked by arranging the protective strip 140, so that the joint of the first pipe 300 and the second pipe 400 is more attractive, and the edges of the first pipe 300 and the second pipe 400 can be prevented from scratching a user.

It will be appreciated that when the corner connector 100 is inserted into the second pipe 400, the second insertion part 120 and the insertion plate 130 extend in the width direction and the length direction of the cross-section of the second pipe 400, respectively. When the first socket 110 of the corner connector 100 is fitted into the first pipe 300 and the second socket 120 and the socket plate 130 of the corner connector 100 are fitted into the second pipe 400, the upper edges of the first pipe 300 and the second pipe 400 meet at the socket plate 130. The protection strip 140 is fixedly connected to one end of the insertion plate 130 protruding out of the first insertion part 110, so that the protection strip 140 is mounted by the insertion plate 130 without additionally arranging other structures, and the whole structure is more compact. The two ends of the protection strip 140 protrude out of the two side walls of the insertion plate 130, so that when the insertion plate 130 is inserted into the second tube 400, the overlapping bosses 141 on the two sides of the protection strip 140 can overlap the periphery of the second tube 400, and the overlapping bosses 141 can limit the embedding of the corner connecting member 100 in the second tube 400, thereby preventing the corner connecting member 100 from being embedded too far.

In an embodiment, as shown in fig. 5 and 6, a plurality of friction ribs 150 are disposed on a plate surface of the insertion plate 130 away from the first insertion part 110, a side wall surface of the second insertion part 120 in the first direction, and two side wall surfaces of the first insertion part 110 in the second direction. The plurality of friction ribs 150 on the insertion plate 130 are arranged at intervals along the second direction, the plurality of friction ribs 150 on the second insertion part 120 are arranged at intervals along the second direction, and the plurality of friction ribs 150 on the first insertion part 110 are arranged at intervals along the first direction.

Through making plugboard 130 deviate from the face of first grafting portion 110, the lateral wall face of second grafting portion 120 in the first direction, first grafting portion 110 is provided with many friction sand grips 150 in the both sides wall face of second direction, promptly, make the corner connecting piece 100 and the lateral wall face that the internal wall face of first pipe 300 and second pipe 400 contacted set up friction sand grip 150, when being convenient for the plug between corner connecting piece 100 and first pipe 300 and the second pipe 400, can prevent effectively that the emergence is slided and is loosened between corner connecting piece 100 and first pipe 300 and the second pipe 400.

In an embodiment, referring to fig. 4, 7, 8, 10 and 11, the display frame further includes a middle corner brace 500, adjacent support tubes 600 and a cross beam 700, the support tubes 600 are connected to the second tube 400, the extending direction of the support tubes 600 intersects with the extending directions of the first tube 300 and the second tube 400, and the extending direction of the cross beam 700 extends along the transverse direction; the middle corner brace 500 comprises an embedding part 510 and a butting part 520 which are connected with each other, the size of the transverse surface of the butting part 520 is larger than that of the embedding part 510, the embedding part 510 is embedded in the inner side of the end part of the support tube 600 adjacent to the cross beam 700, the butting part 520 is butted on the end surface of the support tube 600, and the cross beam 700 is embedded in the butting part 520.

In this embodiment, the display frame is a display frame structure. Generally, the display rack comprises two parallel second tubes 400, two parallel support tubes 600; the two second pipes 400 are connected to each other by the first pipe 300, and the two support pipes 600 are connected to each other by the cross member 700. The support tube 600 and the second tube 400 are both vertically extending tubes. The support tube 600 may be fixedly connected to the second tube 400 or may be rotatably connected to the second tube 400 such that the angle between the support tube 600 and the second tube 400 is adjustable. When the display rack is used, four supporting points are formed at the bottoms of the two supporting tubes 600 and the two second tubes 400 to be in contact with the ground, so that the whole display rack is stably placed on the ground.

Through making to be connected through middle angle sign indicating number 500 between crossbeam 700 and the stay tube 600, then whole exhibition frame is the formula structure of tearing open entirely, then the user's of being convenient for more dismouting, transportation and accomodating. Generally, to secure structural strength, the embedding portion 510 and the abutting portion 520 are integrally provided. Make the horizontal face size of butt portion 520 be greater than the horizontal face size of embedding portion 510, when embedding portion 510 inlays in the support tube 600, butt portion 520 can butt in the terminal surface of support tube 600, so, butt portion 520 can carry on spacingly to the embedding of middle corner brace 500 in support tube 600, and then avoids middle corner brace 500 to install the position. Specifically, the abutting portion 520 may be provided with a mounting groove 111 at a position facing the cross beam 700 for the cross beam 700 to be embedded. Through making crossbeam 700 embed in butt portion 520, then the equipment between middle angle sign indicating number 500 and the crossbeam 700 of being more convenient for to make holistic dismouting convenient and fast more.

In another embodiment, as shown in fig. 15 to 27, the first direction is vertical, the second direction is horizontal, the second caulking groove 420 is located above the first caulking groove 410, and a transfer groove 430 is formed between an upper wall surface of the first caulking groove 410 and a side wall surface of the second caulking groove 420; the turnover pressing bar 200 extends along the transverse direction and can be arranged in the transfer groove 430 in a vertically turnover manner; the first insertion part 110 and the second insertion part 120 are plate-shaped structures, and the plate surface direction of the first insertion part 110, the plate surface direction of the second insertion part 120 and the plate surface direction of the insertion plate 130 are consistent.

In this embodiment, the display frame may be a picture frame hung on a wall. The first direction is a vertical direction and the second direction is a horizontal direction, the first tube 300 extends in the vertical direction and the second tube 400 extends in the horizontal direction. It should be noted that, the vertical direction does not only refer to the gravity direction, and in practical applications, the vertical direction may be changed according to the display angle of the display frame. The turn-over bead 200 extends in the lateral direction, i.e., in accordance with the extending direction of the second tube 400 in the present embodiment. The second caulking groove 420 is located above the first caulking groove 410, the transfer groove 430 is formed between the upper wall surface of the first caulking groove 410 and the side wall surface of the second caulking groove 420, and the turning bead 200 is mounted in the transfer groove 430 in a vertically turnable manner, so that the vertical turning of the turning bead 200 is not affected while the assembly between the second inserting part 120 of the corner connector 100 and the second pipe 400 and the assembly between the inserting plate 130 and the second pipe 400 are satisfied. Generally, the turning-over pressing bar 200 is disposed at the upper portion of the display frame, so that a user can take, place and fix the display board or the advertisement picture album by turning over the turning-over pressing bar 200. The specific structure of the turnover pressing bar 200 and the assembling structure between the turnover pressing bar 200 and the adapting groove 430 can refer to the prior art, and are not limited in detail herein.

The first insertion part 110 and the second insertion part 120 are both arranged in a plate shape, so that the corner connecting piece 100, the first pipe 300 and the second pipe 400 can be more conveniently disassembled and assembled, and the corner connecting piece 100 integrally arranged in a plate shape has less material consumption and light weight. Therefore, the plate surface direction of the first inserting part 110, the plate surface direction of the second inserting part 120 and the plate surface direction of the inserting plate 130 are consistent, so that the inserting connection between the corner connecting member 100 and the first and second pipes 300 and 400 is smoother.

In an embodiment, referring to fig. 21 to 25, the thickness of the plugging plate 130 is smaller than the thickness of the first plugging portion 110 and the second plugging portion 120. Specifically, the socket plate 130 is coupled to the rear side of the second socket part 120 when the corner connector 100 is mounted to the first and second pipes 300 and 400. By making the thickness of the inserting plate 130 smaller than the thickness of the first inserting portion 110 and the second inserting portion 120, while the connection stability between the corner connecting member 100 and the first and second pipes 300 and 400 is ensured, a space is formed between the front side of the inserting plate 130 and the upper side of the second inserting portion 120. When the corner connector 100 is mounted on the second pipe 400, the transfer groove 430 may be formed between the upper wall surface of the first insertion groove 410 and the side wall surface of the second insertion groove 420 of the second pipe 400, so that the space may be fully utilized, and the second pipe 400 does not need to be additionally increased in height or width to provide the transfer groove 430, thereby making the overall structure more compact.

In an embodiment, as shown in fig. 21 to 25, the corner connector 100 further includes a protection structure 160, the protection structure 160 includes a corner protecting strip 161 and a mounting member 163 connected to each other, the first inserting portion 110 has a mounting groove 111 adjacent to the end surface of the inserting plate 130, the mounting member 163 is detachably mounted in the mounting groove 111, the corner protecting strip 161 is exposed out of the mounting groove 111, and the inserting plate 130 extends to the pressing mounting member 163.

In this embodiment, by detachably connecting the protection structure 160 to the first insertion part 110, the protection structure 160 is formed separately, and a more complex structure can be disposed on the protection structure 160, so that the forming process of the entire corner connector 100 is simpler. The mounting groove 111 is formed in the end face, adjacent to the plug board 130, of the first plug part 110, so that the plug board 130 extends to the pressing mounting piece 163, the plug board 130 can be fully utilized to fix the protection structure 160, the connection between the protection structure 160 and the first plug part 110 is more stable and reliable, and the protection structure 160 is effectively prevented from being loosened. The corner bead 161 can make the joint of the first and second pipes 300 and 400 more beautiful and prevent the edges of the first and second pipes 300 and 400 from scratching the user.

Further, the first plugging portion 110 has a plugging end surface 112 adjacent to the plugging plate 130, the plugging end surface 112 is disposed obliquely toward the plugging plate 130, the first sidewall 121 extends to be connected with the plugging end surface 112, and the mounting groove 111 is opened in the plugging end surface 112; the mounting member 163 includes a connecting shaft 164 and a pressing section 165 connected to each other, the connecting shaft 164 is inserted into the mounting groove 111, an inclined direction of the pressing section 165 is consistent with an inclined direction of the insertion end surface 112, a wall surface of the pressing section 165 departing from the insertion board 130 is attached to the insertion end surface 112, and the insertion board 130 presses the pressing section 165 toward the wall surface of the insertion board 130.

Through making the setting of pegging graft terminal surface 112 of first grafting portion 110 towards pegging graft board 130 slope, the incline direction of pressfitting section 165 is unanimous with the incline direction of pegging graft terminal surface 112, and when the installation, pressfitting section 165 deviates from pegging graft board 130's wall laminating pegging graft terminal surface 112, and pressfitting section 165 can be pressfitting by pegging graft board 130 towards the wall of pegging graft board 130, so, when being convenient for protective structure 160 and the dismouting of first grafting portion 110, make protective structure 160's installation more firm reliable. In addition, since the splicing surfaces of the first pipe 300 and the second pipe 400 are substantially inclined, when the pipe is installed, the first pipe 300 and the second pipe 400 are spliced at the splicing end surface 112, and the second pipe 400 can also be simultaneously pressed on the mounting member 163 of the protection structure 160, so that the whole structure is more compact, stable and reliable.

In an embodiment, as shown in fig. 16 to 25, the pressing section 165 has a clearance groove 166 formed on a wall surface facing the plug board 130, and the clearance groove 166 is disposed away from the plug board 130. The pressing section 165 is provided with a clearance groove 166 facing the wall surface of the plug board 130, so that the turnover pressing strip 200 can be prevented from being turned up and down, and the turnover pressing strip 200 can be turned over more smoothly.

Further, the corner bead 161 is provided with a clamping block 162 protruding towards the side wall of the first tube 300 and the side wall of the second tube 400, and the clamping block 162 is located inside the first tube 300 and the turnover bead 200. Through setting up this joint piece 162, can prevent effectively that angle bead 161 from taking place to warp. In addition, through making the joint piece 162 be located the inboard of first pipe 300 and upset layering 200, namely, set up in the joint piece 162 of angle bead 161 towards the lateral wall of first pipe 300 and be located the inboard of first pipe 300, set up in the joint piece 162 of angle bead 161 towards the lateral wall of second pipe 400 and be located the inboard of upset layering 200, thus, when the installation, even angle bead 161 has certain skew relative first pipe 300 and upset layering 200, also can realize with first pipe 300 internal face and upset layering 200 internal face looks butt through this joint piece 162, with the protective effect who guarantees angle bead 161, and then can guarantee product production installation stability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (10)

1. A display frame is characterized by comprising a corner connecting piece, a turnover pressing strip, a first pipe and a second pipe which are adjacent, wherein the first pipe extends along a first direction, the second pipe extends along a second direction, the turnover pressing strip is connected to the first pipe or the second pipe in a turnover mode, a first caulking groove and a second caulking groove which are mutually communicated are formed in the second pipe, and the first caulking groove and the second caulking groove are arranged in a mode of avoiding the turnover pressing strip;

the corner connecting piece comprises a first inserting part, a second inserting part and an inserting plate, the first inserting part extends along a first direction, the second inserting part extends along a second direction, and the end part of the first inserting part is connected with the end part of the second inserting part; the plugboard extends along the second direction, the plugboard is connected with the side edge of the second plugboard, which extends along the second direction, the second plugboard is provided with a first side wall adjacent to the board surface of the plugboard, the first side wall is intersected with the board surface of the plugboard, and the first direction is intersected with the second direction;

the first inserting part is embedded in the inner side of the end part, close to the second pipe, of the first pipe in a matching mode, the second inserting part is embedded in the first embedding groove in a matching mode, and the inserting plate is inserted in the second embedding groove in a matching mode.

2. The display frame of claim 1, wherein the first direction is transverse and the second direction is vertical, and the first caulking groove intersects with the second caulking groove in a width direction; the first inserting part and the second inserting part are of plate-shaped structures, the plate surface direction of the first inserting part is consistent with the plate surface direction of the second inserting part, and the plate surface direction of the inserting plate is intersected with the plate surface direction of the second inserting part; the first pipe is provided with an embedding groove and an overturning groove which extend along the transverse direction, the overturning groove is positioned above the embedding groove, and the first inserting part is embedded in the embedding groove; the turnover pressing strip extends along the transverse direction and can be arranged in the turnover groove in a vertically turnover mode.

3. The display frame of claim 2, wherein the side of the second insertion portion away from the first insertion portion is connected to the side of the insertion plate, the end of the insertion plate adjacent to the first insertion portion protrudes out of the first insertion portion, the corner connector further comprises a protection strip fixedly connected to the end of the insertion plate protruding out of the first insertion portion, the extension direction of the protection strip is consistent with the width direction of the insertion plate, two ends of the protection strip protrude out of two side wall surfaces of the insertion plate to form an overlapping boss, and the overlapping boss is overlapped on the periphery of the second tube.

4. A display frame as claimed in claim 3, wherein the surface of the insertion plate facing away from the first insertion portion, the side wall surface of the second insertion portion in the first direction, and both side wall surfaces of the first insertion portion in the second direction are provided with a plurality of friction ribs.

5. The display frame according to any one of claims 2 to 4, wherein the display frame further comprises a middle corner brace, adjacent support tubes and a cross beam, the support tubes are connected to the second tube, the support tubes extend in a direction intersecting with the extension direction of both the first tube and the second tube, and the cross beam extends in a transverse direction; the middle corner brace comprises an embedding part and a butting part which are connected with each other, the size of the transverse surface of the butting part is larger than that of the transverse surface of the embedding part, the embedding part is embedded in the supporting tube and is adjacent to the inner side of the end part of the cross beam, the butting part is butted against the end surface of the supporting tube, and the cross beam is embedded in the butting part.

6. The display frame of claim 1, wherein the first direction is a vertical direction, the second direction is a horizontal direction, the second caulking groove is positioned above the first caulking groove, and a transfer groove is formed between an upper wall surface of the first caulking groove and a side wall surface of the second caulking groove; the turnover pressing strip extends along the transverse direction and can be arranged in the transfer groove in a vertically turnover manner; the first inserting part and the second inserting part are of plate-shaped structures, and the plate surface direction of the first inserting part, the plate surface direction of the second inserting part and the plate surface direction of the inserting plate are consistent.

7. The display frame of claim 6, wherein the thickness of the receptacle is less than the thickness of the first mating portion and the second mating portion.

8. The display frame of claim 7, wherein the corner connector further comprises a protective structure, the protective structure comprises a corner bead and a mounting member connected to each other, the first insertion portion has a mounting groove formed adjacent to the end surface of the insertion plate, the mounting member is detachably mounted in the mounting groove, the corner bead is exposed from the mounting groove, and the insertion plate extends to press-fit the mounting member.

9. The display frame of claim 8, wherein the first mating portion has a mating face adjacent the mating plate, the mating face being angled toward the mating plate, the first sidewall extending to meet the mating face, the mounting slot opening into the mating face; the installation piece comprises a connecting shaft and a pressing section which are connected with each other, the connecting shaft is inserted into the installation groove, the inclination direction of the pressing section is consistent with the inclination direction of the insertion end face, the wall face of the pressing section, which deviates from the insertion plate, is attached to the insertion end face, and the insertion plate presses the pressing section towards the wall face of the insertion plate.

10. The display frame of claim 9, wherein the press-fit section is provided with a clearance groove facing the wall surface of the insertion plate, and the clearance groove is arranged to avoid the insertion plate; and/or the corner bead faces towards the side wall of the first pipe and the side wall of the second pipe, and a clamping block is convexly arranged on the side wall of the second pipe and is positioned on the inner side of the first pipe and the turnover pressing strip.

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