CN212484882U

CN212484882U - Exhibition frame

Info

Publication number: CN212484882U
Application number: CN202021477290.6U
Authority: CN
Inventors: 林丛; 王文杰; 林杰
Original assignee: Shengguang Fujian Decoration Design Engineering Co ltd
Current assignee: Shengguang Fujian Decoration Design Engineering Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-02-05
Anticipated expiration: 2030-07-23

Abstract

The application discloses exhibition frame, the technical field who relates to exhibition device, the less problem of application scope has been solved, it includes the support frame that the bisymmetry set up, the support frame includes the bracing piece of vertical setting, install two connecting rods that the supporting seat and the level of bracing piece bottom are fixed on the bracing piece, two connecting rod parallel arrangement on the same support frame, the movable sleeve is equipped with first connecting pipe between the two connecting rods that lie in the low on two support frames, the movable sleeve is equipped with the second connecting pipe between the two connecting rods that lie in the eminence on two support frames, be provided with the regulating part that two support frames of control are close to each other or keep away from between first connecting pipe and the second connecting pipe, all install the piece that compresses tightly fixed to the poster board pressure on two support rods, and two are compressed. The application has the advantage of improving the application range.

Description

Exhibition frame

Technical Field

The application relates to the technical field of exhibition devices, in particular to an exhibition shelf.

Background

The exhibition shelf is generally used for displaying information such as propaganda posters and the like, and has a wide application range. All kinds of exhibitions, markets and outdoor marketing places are everywhere visible, and the effect is obvious, compares traditional mode of posting very convenient.

Refer to the chinese utility model discloses a show shelf that the number is disclosed for CN210667675U, two show frames, two the top of show frame is rotated and is connected, two the show frame can expand and be the chevron shape, has on the show frame and presss from both sides the layer, insert the poster board of the good size of customization and press from both sides the in situ can, need not to paste the poster, the installation of poster board is changed swiftly simply.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the size of the space of the clamping layer of the display frame is certain, so that the display frame cannot be applied to poster boards with different sizes, and the application range is small.

SUMMERY OF THE UTILITY MODEL

In order to improve the application scope of exhibition frame, this application provides an exhibition frame.

The application provides an exhibition frame adopts following technical scheme:

a display rack comprises two symmetrically arranged support frames, wherein each support frame comprises a vertically arranged support rod, a support seat arranged at the bottom of the support rod and two connecting rods horizontally fixed on the support rod, the two connecting rods on the same support frame are arranged in parallel, a first connecting pipe is movably sleeved between the two connecting rods at the lower part on the two support frames, a second connecting pipe is movably sleeved between the two connecting rods at the high part on the two support frames, an adjusting piece for controlling the two support frames to be close to or away from each other is arranged between the first connecting pipe and the second connecting pipe, two support rods are respectively provided with a pressing piece for pressing and fixing a poster board, and the two pressing pieces are symmetrically arranged;

the adjusting part comprises a rotating rod and pull ropes fixed on the rotating rod, the four pull ropes are arranged corresponding to the connecting rods one by one and are symmetrically distributed at two ends of the rotating rod in pairs, the outer wall of one end of the rotating rod is provided with a spline, and the center of the outer wall of the first connecting pipe is provided with a key groove matched with the spline;

the rotating rod is movably arranged along the vertical direction, and one end of the rotating rod is inserted into the key groove and abuts against the inner wall of the first connecting pipe; the other end of the spline is rotatably connected with the second connecting pipe, the end of the spline extends into the second connecting pipe, and the distance between the end surface and the top of the inner wall of the second connecting pipe is not less than the length of the spline along the axial direction of the rotating rod;

the pull ropes are arranged at the lower end of the rotating rod, are arranged on two sides of the first connecting pipe in the length direction, are arranged at the upper end of the rotating rod, and are arranged on two sides of the second connecting pipe in the length direction, one end of each pull rope is fixedly connected with the connecting rod, and the other end of each pull rope is fixedly connected with the end part of the rotating rod;

the inner wall of the first connecting pipe is provided with convex rings protruding inwards on two sides of the key groove along the circumferential direction, the two ends of the inner part of the first connecting pipe are provided with return springs, one end of each return spring is abutted to the connecting rod, the other end of each return spring is abutted to the corresponding convex ring, and similarly, the second connecting pipe is internally provided with the convex rings and the return springs which are identical in structure, and the return springs are always in a compression state.

By adopting the technical scheme, the rotating rod is lifted upwards to separate the spline from the key groove, then the rotating rod is driven to rotate, the rotating rod is lowered and inserted into the key groove after the two supporting frames are close to or far away from each other to a proper distance, the connecting rod always moves towards the direction far away from the rotating rod under the action of the spring, and the two connecting rods in the same horizontal plane keep a relatively stable distance under the action of the pull rope; fix the poster board on the exhibition frame through pressing the piece afterwards, through adjusting the distance between two support frames, improve the application scope of exhibition frame.

Preferably, the both ends of dwang all set up the spiral groove that supplies the stay cord to place after coiling, the one end fixed connection of stay cord is on the cell wall of spiral groove.

Through adopting above-mentioned technical scheme, when the dwang rotated, the stay cord was convoluteed into the winding up groove for the stay cord is difficult for in disorder.

Preferably, the two pull ropes at one end of the rotating rod have a height difference with the fixing point of the winding groove in the vertical direction.

Through adopting above-mentioned technical scheme, there is the difference in height two stay cords and the fixed point of rolling up the wire casing for the dwang rotates the back, and two stay cords are difficult for the winding together.

Preferably, the outer wall of the first connecting pipe is horizontally provided with a cross bar for placing the poster board.

Through adopting above-mentioned technical scheme, the setting of horizontal bar for the installation of being convenient for is set up on the horizontal bar to the bottom of poster board, and poster board fixed clamp tightly the back, and the horizontal bar can play certain supporting role.

Preferably, the pressing piece comprises a pressing plate and a fastening spring, wherein one side, away from each other, of the pressing plate is hinged to the outer wall of the supporting rod, the pressing plate and the supporting rod are arranged in parallel, the fastening spring is evenly arranged in the length direction of the pressing plate at intervals, one end of the fastening spring is fixedly connected with the pressing plate and is connected to the center of the pressing plate in the width direction, the other end of the fastening spring is fixedly installed on the supporting rod, and the fastening spring is always in a stretching state.

Through adopting above-mentioned technical scheme, under the effect of spring, the pressure strip of both sides compresses tightly the poster board with on the bracing piece.

Preferably, the cross section of the pressing plate is arc-shaped, and two ends of the arc-shaped cross section of the pressing plate face the supporting rod.

Through adopting above-mentioned technical scheme, the transversal arc form of personally submitting of pressure strip for one side that the pressure strip kept away from the pin joint can laminate more and compress tightly on the poster board.

Preferably, one side of the compression plate, which is far away from the hinged position, is provided with a hollow groove for a person to buckle and pull, and the hollow groove is positioned in the middle of the compression plate.

Through adopting above-mentioned technical scheme, the setting of dead slot is convenient for the staff with the pressure strip pulling, makes it rotate around the pin joint, is convenient for change the poster board.

Preferably, the support rod is internally of a hollow structure.

Through adopting above-mentioned technical scheme, the bracing piece is inside to be set up to hollow structure and to lighten weight, the removal of the exhibition frame of being convenient for.

In summary, the present application includes at least one of the following benefits:

when the poster board fixing device is used, the rotating rod is lifted up to separate the spline from the key groove, the rotating rod is driven to rotate according to the size of the poster board to be fixed, the two support frames are close to or far away from each other, and after the proper distance is adjusted, the rotating rod is lowered down to clamp the spline with the key groove; then, the lower end of the poster board is placed on the cross bar, and the pressing plates on the two sides are pressed and fixed at the edge of the poster board. It is suitable for various poster boards with different sizes, and can improve the application range of the display rack.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is an exploded view in overall section in the present embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is an exploded view of the pressing member and the supporting frame in the present embodiment.

Description of reference numerals: 1. a support frame; 11. a support bar; 12. a supporting seat; 13. a connecting rod; 2. a first connecting pipe; 21. a keyway; 22. a horizontal bar; 3. a second connecting pipe; 4. an adjustment member; 41. rotating the rod; 411. a spline; 412. winding a wire groove; 42. pulling a rope; 5. a compression member; 51. a compression plate; 511. an empty groove; 52. a fastening spring; 6. a convex ring; 7. a return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a display rack. Referring to fig. 1, the display rack includes support frame 1 that two symmetries set up, and support frame 1 includes the bracing piece 11 of vertical setting, fixed welding in the supporting seat 12 of 11 bottoms of bracing piece and two connecting rods 13 of horizontal fixation on bracing piece 11. The two connecting rods 13 are welded and fixed on the same side of the supporting rod 11 in parallel, are perpendicular to the supporting rod 11 and point to the supporting frame 1 on the other side, and the inside of the supporting rod 11 is of a hollow structure.

Referring to fig. 1 and 2, a first connecting pipe 2 is movably sleeved between two connecting rods 13 at a lower position on two support frames 1, and a second connecting pipe 3 is movably sleeved between two connecting rods 13 at a higher position on two support frames 1. The cross sections of the first connecting pipe 2 and the second connecting pipe 3 are both of a reversed-square structure. Two connecting rods 13 which are opposite to each other in control level are arranged between the first connecting pipe 2 and the second connecting pipe 3, adjusting pieces 4 which are close to or far away from each other are arranged between the first connecting pipe and the second connecting pipe, pressing pieces 5 which are used for pressing and fixing poster boards are arranged on the two supporting rods 11, and the two pressing pieces 5 are symmetrically arranged. The distance between the two support frames 1 is adjusted through the adjusting piece 4, and the two ends of the poster board are pressed and fixed through the pressing pieces 5 on the two support rods 11.

Referring to fig. 2 and 3, the adjusting part 4 includes a rotating rod 41 connecting the first connecting pipe 2 and the second connecting pipe 3, and pull ropes 42 fixed on the rotating rod 41, wherein the pull ropes 42 are provided in four pieces corresponding to the connecting rods 13 one by one and are symmetrically distributed on two ends of the rotating rod 41. The outer wall of one end of the rotating rod 41 is provided with a spline 411, and the center of the outer wall of one side of the first connecting pipe 2 facing the second connecting pipe 3 is provided with a key slot 21 matched with the spline 411.

Referring to fig. 2, one end of the rotating rod 41 is inserted into the key slot 21 and abuts against the inner wall of the first connecting pipe 2, the other end is rotatably connected to the second connecting pipe 3, and the end extends into the second connecting pipe 3 through the side wall of the second connecting pipe 3, and the distance between the end surface and the top of the inner wall of the second connecting pipe 3 is not less than the length of the spline 411 along the axial direction of the rotating rod 41.

Referring to fig. 2 and 3, the pulling rope 42 at the lower end of the rotating lever 41 is provided at both sides in the longitudinal direction in the first connecting pipe 2; the pull cords 42 positioned at the upper end of the rotation lever 41 are provided at both sides in the longitudinal direction in the second connection pipe 3. The two ends of the rotating rod 41 are both provided with two winding slots 412, and the two winding slots 412 are respectively located inside the first connecting pipe 2 and the second connecting pipe 3. One end of the pull rope 42 is fixed to the end of the connecting rod 13, and the other end is fixed to the wall of the winding slot 412. The fixing points of the two pulling ropes 42 at one end of the rotating lever 41 and the wire winding groove 412 have a height difference in the vertical direction. When the rotating rod 41 is pulled upwards to separate the spline 411 from the key groove 21 and drive the rotating rod 41 to rotate, and the two support frames 1 approach each other, the two pull ropes 42 at the same end of the rotating rod 41 are wound in the winding groove 412, and the fixed points of the two pull ropes 42 and the winding groove 412 have a height difference in the vertical direction, so that the winding of the two pull ropes 42 can be reduced.

Referring to fig. 2 and 3, the inner wall of the first connecting pipe 2 is welded with the convex rings 6 at two sides of the key groove 21 in a protruding manner along the circumferential direction, the two ends of the inside of the first connecting pipe 2 are both provided with the return springs 7, one end of each return spring 7 is abutted with the connecting rod 13, and the other end of each return spring 7 is abutted with the convex ring 6; similarly, a convex ring 6 and a return spring 7 with the same structure are arranged in the second connecting pipe 3, and the return spring 7 is always in a compressed state. Under the action of the return spring 7, the connecting rod 13 always moves towards the direction far away from the rotating rod 41, so that the relatively stable distance between the two support frames 1 is kept; lifting the rotating rod 41 in the vertical direction separates the spline 411 from the key groove 21, making it easier to move the two support frames 1 in the direction away from each other under the action of the return spring 7.

In order to facilitate the attachment of the pivot lever 41, the return spring 7, and the pull rope 42, the first connection pipe 2 is welded in two upper and lower portions in the width direction thereof, and the second connection pipe 3 is also welded in two upper and lower portions in the same manner.

Referring to fig. 1, a horizontal bar 22 for a poster board to be set on is welded horizontally to the bottom of the outer wall of the first connecting pipe 2. Putting the bottom end of the poster board on the cross bar 22 so as to facilitate the installation of the poster board; and can play certain supporting role to the poster board.

Referring to fig. 1 and 4, the pressing member 5 includes a pressing plate 51 and a fastening spring 52, the cross section of the pressing plate 51 is arc-shaped, one side of the long side of the pressing plate 51 is hinged to the outer wall of the supporting rod 11, and the pressing plate 51 and the supporting rod 11 are arranged in parallel. The fastening springs 52 are uniformly arranged along the length direction of the pressing plate 51 at intervals, one end of each fastening spring 52 is fixedly connected with the pressing plate 51 and connected to the center of the pressing plate 51 in the width direction, and the other end of each fastening spring is fixedly arranged on the supporting rod 11. One side of the pressing plate 51 far away from the hinged position is provided with an empty groove 511 for a person to buckle and pull, and the empty groove 511 is positioned in the middle of the pressing plate 51. The pressure strip 51 of both sides is pressed the fastening timing with the poster board, and the back of poster board is laminated in the outer wall of first connecting pipe 2 and second connecting pipe 3.

The implementation principle of this application embodiment exhibition frame does:

when the poster board fixing device is used, the rotating rod 41 is lifted up to separate the spline 411 from the key slot 21, the rotating rod 41 is driven to rotate according to the size of a poster board to be fixed, the two support frames 1 are enabled to be close to or far away from each other, the rotating rod 41 is lowered after the proper distance is adjusted, and the spline 411 is clamped with the key slot 21; then, the lower end of the poster board is placed on the cross bar 22, and the pressing plates 51 on the two sides are pressed and fixed at the edge of the poster board. It is suitable for various poster boards with different sizes, and can improve the application range of the display rack.

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 a display rack which characterized in that: comprises two symmetrically arranged support frames (1), wherein each support frame (1) comprises a vertically arranged support rod (11), a support seat (12) arranged at the bottom of the support rod (11) and two connecting rods (13) horizontally fixed on the support rod (11), the two connecting rods (13) on the same support frame (1) are arranged in parallel, a first connecting pipe (2) is movably sleeved between the two connecting rods (13) at the lower part on the two support frames (1), a second connecting pipe (3) is movably sleeved between the two connecting rods (13) at the high part on the two support frames (1), an adjusting piece (4) for controlling the two support frames (1) to approach or separate from each other is arranged between the first connecting pipe (2) and the second connecting pipe (3), two pressing pieces (5) for pressing and fixing the poster board are respectively arranged on the two support rods (11), and the two pressing pieces (5) are symmetrically arranged;

the adjusting part (4) comprises a rotating rod (41) and pull ropes (42) fixed on the rotating rod (41), the four pull ropes (42) are arranged corresponding to the connecting rod (13) one by one and are symmetrically distributed at two ends of the rotating rod (41) in pairs, a spline (411) is arranged on the outer wall of one end of the rotating rod (41), and a key groove (21) matched with the spline (411) is formed in the center of the outer wall of the first connecting pipe (2);

the rotating rod (41) is movably arranged along the vertical direction, and one end of the rotating rod (41) is inserted into the key groove (21) and abuts against the inner wall of the first connecting pipe (2); the other end of the connecting rod is rotatably connected to the second connecting pipe (3), the end of the connecting rod extends into the second connecting pipe (3), and the distance between the end surface and the top of the inner wall of the second connecting pipe (3) is not less than the length of the spline (411) along the axial direction of the rotating rod (41);

the pull rope (42) positioned at the lower end of the rotating rod (41) is arranged on two sides of the first connecting pipe (2) in the length direction, the pull rope (42) positioned at the upper end of the rotating rod (41) is arranged on two sides of the second connecting pipe (3) in the length direction, one end of the pull rope (42) is fixedly connected with the connecting rod (13), and the other end of the pull rope (42) is fixedly connected with the end part of the rotating rod (41);

the inner wall of the first connecting pipe (2) is provided with convex rings (6) along the circumferential direction at two sides of the key groove (21) in an inwards protruding mode, the two ends of the inner portion of the first connecting pipe (2) are provided with return springs (7), one ends of the return springs (7) are abutted to the connecting rods (13), the other ends of the return springs are abutted to the convex rings (6), similarly, the convex rings (6) and the return springs (7) which are identical in structure are arranged in the second connecting pipe (3), and the return springs (7) are always in a compression state.

2. The display rack of claim 1, wherein: the both ends of dwang (41) all set up and supply stay cord (42) to coil the book line groove (412) of placing after the coiling, the one end fixed connection of stay cord (42) is on the cell wall of book line groove (412).

3. A display rack according to claim 2, wherein: the fixed points of the two pull ropes (42) positioned at one end of the rotating rod (41) and the winding groove (412) have height difference in the vertical direction.

4. The display rack of claim 1, wherein: the outer wall of the first connecting pipe (2) is horizontally provided with a transverse bar (22) for placing poster boards.

5. The display rack of claim 1, wherein: pressing member (5) include pressure strip (51) and fastening spring (52), two one side that pressure strip (51) kept away from each other articulates on bracing piece (11) outer wall, and pressure strip (51) and bracing piece (11) parallel arrangement, fastening spring (52) set up even interval along pressure strip (51) length direction and are provided with a plurality of, the one end and pressure strip (51) fixed connection of fastening spring (52), and connect in the center department of pressure strip (51) broadside direction, other end fixed mounting on bracing piece (11), fastening spring (52) are in tensile state all the time.

6. The display rack of claim 5, wherein: the cross section of the pressing plate (51) is arc-shaped, and two ends of the arc-shaped cross section of the pressing plate (51) face the supporting rod (11).

7. The display rack of claim 6, wherein: one side of the pressing plate (51) far away from the hinged position is provided with an empty groove (511) for a person to buckle and pull, and the empty groove (511) is located in the middle of the pressing plate (51).

8. The display rack of claim 1, wherein: the supporting rod (11) is of a hollow structure.