CN216119421U - Foldable convenient canvas frame for advertising lamp box - Google Patents
Foldable convenient canvas frame for advertising lamp box Download PDFInfo
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- CN216119421U CN216119421U CN202121757084.5U CN202121757084U CN216119421U CN 216119421 U CN216119421 U CN 216119421U CN 202121757084 U CN202121757084 U CN 202121757084U CN 216119421 U CN216119421 U CN 216119421U
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Abstract
The utility model discloses a foldable convenient canvas frame for an advertising lamp box, which is characterized by comprising two aluminum profile upper and lower frames, two aluminum profile side frames, a pulley, a right-angle limiting hinge, a limiting hinge with a lock and a hook device. In the process of opening the canvas frame, the side frame of the aluminum profile rotates around the right-angle limiting hinge; after the drawing frame is opened, the side frame of the aluminum profile is completely vertical, the rotating hinge with the lock and the hook device are matched to fix the picture frame, and then the double-insurance drawing frame is closed. The utility model has complete functions and compact integral structure, can complete mechanical action in a narrow space of the lamp box, and is convenient for canvas replacement and maintenance.
Description
Technical Field
The utility model relates to the technical field of advertising lamp boxes, in particular to a foldable convenient canvas frame for an advertising lamp box.
Background
Along with the national economic development and the investment on the infrastructure, more and more advertising light boxes appear in the market. Outdoor advertising boxes have been developed for many years, especially large advertising boxes such as bus shelters, newspaper reading boards, platforms and the like, and are cumbersome to replace canvas due to the fact that the large advertising boxes are high in height and large in size. The canvas can be taken down, replaced and installed by a plurality of persons under cooperative operation. In addition, most of the canvas is directly fixed in a lamp box by a clamp in the market, and the advertising canvas is not too flat sometimes, so that the advertising effect is influenced, and unnecessary reworking is caused, time and labor are consumed. In order to facilitate the replacement and maintenance of the canvas and simultaneously present a better advertising effect, on the premise of fully considering the narrow operation space in the lamp box, it becomes necessary to design a novel canvas frame.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a foldable convenient canvas frame for an advertising lamp box.
In order to achieve the purpose, the method is realized by the following technical scheme:
the utility model provides an advertising light boxes is with collapsible convenient drawing frame which characterized in that, frame 1, two sets of aluminium alloy side frames 2, pulley 3, right angle spacing hinge 4, area lock spacing hinge 5, couple device 6 about including two aluminium alloy. Each set of aluminium profile side frames 2 comprises an upper side frame 21 and a lower side frame 22. The locking limit hinge 5 comprises a shell 51, two rotating shafts 52, a knob 53, a limit gear 54 and a telescopic sheet 55. The hooking means 6 comprise a variable section shaft 61 and hooking pieces 62. The variable cross-section shaft 61 includes two square shafts 611, a circular shaft 612, and a spring 613.
The frame of the foldable convenient canvas frame for the advertising lamp box consists of two aluminum profile upper and lower frames 1 and two groups of aluminum profile side frames 2 to form a rectangular frame body; the aluminum profile upper and lower frames 1 and the aluminum profile side frames 2 are connected through right-angle limiting hinges 4, and the upper side frame 21 and the lower side frame 22 of each aluminum profile side frame 2 are connected through locking limiting hinges 5.
The upper frame and the lower frame 1 of the aluminum profile comprise positioning pins 11; the positioning pin 11 is a cylindrical tube;
the aluminum profile side frame 2 is a hollow aluminum profile pipe;
And one end of the right-angle limiting hinge 4 is fixed on the upper frame 1 and the lower frame 1 of the aluminum profile, and the other end of the right-angle limiting hinge is hinged with the side frame 2 of the aluminum profile.
The upper frame 21 is provided with a locking groove 211 and a sliding groove 212. The clamping groove 211 is a rectangular hole, and after the picture frame is opened, the telescopic piece 55 extends into the clamping groove 211 and is used for fixing the picture frame; the sliding groove 212 is a hole shaped like a Chinese character '8'; the upper part and the lower part of the hole are two square holes, and each square hole has the same axial section with the square shaft 611; a rectangular hole is formed between the two square holes, and the width of the rectangular hole is the same as the outer diameter of the circular shaft 612.
The upper end and the lower end of the locking limit hinge 5 are respectively provided with a rotating shaft 52, and the locking limit hinge 5 is connected with the upper side frame 21 and the lower side frame 22 through the rotating shafts 52. The outside of the locking limit hinge 5 is provided with a shell 51, a knob 53 is arranged inside the locking limit hinge, the knob 53 is connected with a limit gear 54, then the limit gear 54 is connected with a telescopic sheet 55, the limit gear 54 is rotated through the knob 53, and the telescopic state of the telescopic sheet 55 is further controlled.
The hook device 6 is hinged with the upper side frame 21 through a variable cross-section shaft 61; the variable cross-section shaft 61 passes through the chute 212; the hook sheet 62 is fixedly connected and contacted with the variable cross-section shaft 61 through a square shaft 611; a round shaft 612 is arranged between the two square shafts 611 and is fixedly connected and contacted with the two square shafts 611, and the side length of each square shaft 611 is larger than the outer diameter of the round shaft 612; the spring 613 is fitted over the circular shaft 612, and the diameter of the spring 613 is larger than the diameter of the aperture of the slide groove 212. When the picture frame is in a closed state, the positioning pin 11 is clamped in the groove of the hook piece 62, so that the function of fixing the picture frame is achieved.
In a normal state, the square shaft 611 is embedded in the square hole and used for fixing the square shaft 611; when the hook sheet 62 needs to rotate, the variable cross-section shaft 61 is pressed, the square shaft 611 retracts into the sliding groove 212, and the circular shaft 612 is in contact with the sliding groove 212; after the rotation of the hook piece 62 is completed, the square shaft 611 is inserted into the square hole again by the urging force of the spring 613.
Has the advantages that:
the utility model has complete functions and compact integral structure, can finish mechanical action in a narrow space of the lamp box, can ensure that maintenance personnel can finish the operation of changing the picture cloth at a proper height, and is time-saving and labor-saving. Adopt aluminium alloy design light not rusty simultaneously, also more make things convenient for direct dismouting in later stage and transport. The outdoor large-size advertising lamp box can be well suitable.
Drawings
Fig. 1 is a schematic view illustrating a state of use of a foldable convenient canvas frame for an advertising light box according to an embodiment.
FIG. 1(a) is a schematic view showing a closed state of a canvas frame.
FIG. 1(b) is a schematic diagram of the opening process of the canvas frame.
FIG. 1(c) is a schematic diagram showing the completion of the opening of the canvas frame.
FIG. 2 is a diagram illustrating a structure of a canvas frame in an open state according to an embodiment.
Fig. 3 is an enlarged structure diagram of a partial area a in fig. 1.
Fig. 4 is an enlarged structural diagram of a partial region B of fig. 1.
Fig. 5 is an enlarged schematic view of a partial region C in fig. 1.
Fig. 6 is an enlarged front view of a partial region D of fig. 1.
Fig. 7 is an enlarged side view of a portion D of fig. 1.
Fig. 8 is a schematic structural view of the hooking means 6.
Fig. 8(a) is a front view of the hooking means 6.
Fig. 8(b) is an axial sectional view of fig. 8(a) a.
Fig. 8(c) is an axial sectional view of fig. 8(a) B.
Fig. 9 is a schematic structural view of the locking limit hinge 5.
Fig. 9(a) is a front view of the structure of the check hinge with lock 5.
Fig. 9(b) is a side view of the structure of the check hinge with lock 5.
Reference numerals:
the aluminum profile frame comprises an aluminum profile upper frame 1, an aluminum profile lower frame 11, an aluminum profile side frame 2, an upper side frame 21, a clamping groove 211, a sliding groove 212, a lower side frame 22, a rolling shaft 3, a right-angle limiting hinge 4, a limiting hinge 5 with a lock, a shell 51, a rotating shaft 52, a knob 53, a limiting gear 54, a telescopic sheet 55, a hook device 6, a variable cross section shaft 61, a square shaft 611, a round shaft 612, a spring 613 and a hook sheet 62.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
as shown in fig. 1 and 2, the foldable convenient canvas frame for the advertising lamp box comprises an upper frame 1, a lower frame 1, two groups of aluminum profile side frames 2, a pulley 3, a right-angle limiting hinge 4, a limiting hinge 5 with a lock and a hook device 6. Each set of aluminium profile side frames 2 comprises an upper side frame 21 and a lower side frame 22. As shown in fig. 9, the locking limit hinge 5 includes a housing 51, two rotating shafts 52, a knob 53, a limit gear 54, and a telescopic piece 55. As shown in fig. 7 and 8, the hooking means 6 comprises a variable section shaft 61 and a hooking piece 62. The variable cross-section shaft 61 includes two square shafts 611, a circular shaft 612, and a spring 613.
The frame of the foldable convenient canvas frame for the advertising lamp box consists of two aluminum profile upper and lower frames 1 and two groups of aluminum profile side frames 2 to form a rectangular frame body; the aluminum profile upper and lower frames 1 and the aluminum profile side frames 2 are connected through right-angle limiting hinges 4, and the upper side frame 21 and the lower side frame 22 of each aluminum profile side frame 2 are connected through locking limiting hinges 5.
As shown in fig. 3, the aluminum profile upper and lower frames 1 comprise positioning pins 11; the positioning pins 11 are cylindrical pipes and are arranged on the upper frame 1 and the lower frame 1 of the aluminum profile;
the aluminum profile side frame 2 is a hollow aluminum profile pipe;
As shown in fig. 4, one end of the right-angle limit hinge 4 is fixed on the upper and lower frames 1 of the aluminum profile, and the other end is hinged with the side frame 2 of the aluminum profile.
As shown in fig. 5, the upper frame 21 is provided with a locking groove 211 and a sliding groove 212. The clamping groove 211 is a rectangular hole, and after the picture frame is opened, the telescopic piece 55 extends into the clamping groove 211 and is used for fixing the picture frame; the sliding groove 212 is a hole shaped like a Chinese character '8'; the upper part and the lower part of the hole are two square holes, and each square hole has the same axial section with the square shaft 611; a rectangular hole is formed between the two square holes, and the width of the rectangular hole is the same as the outer diameter of the circular shaft 612.
As shown in fig. 9, the upper end and the lower end of the locking limit hinge 5 are respectively provided with a rotating shaft 52, and the locking limit hinge 5 is connected with the upper side frame 21 and the lower side frame 22 through the rotating shafts 52. The outside of the locking limit hinge 5 is provided with a shell 51, a knob 53 is arranged inside the locking limit hinge, the knob 53 is connected with a limit gear 54, then the limit gear 54 is connected with a telescopic sheet 55, the limit gear 54 is rotated through the knob 53, and the telescopic state of the telescopic sheet 55 is further controlled.
As shown in fig. 7 and 8, the hooking means 6 are hinged to the upper side frame 21 by means of a variable section shaft 61; the variable cross-section shaft 61 passes through the chute 212; the hook sheet 62 is fixedly connected and contacted with the variable cross-section shaft 61 through a square shaft 611; a round shaft 612 is arranged between the two square shafts 611 and is fixedly connected and contacted with the two square shafts 611, and the side length of each square shaft 611 is larger than the outer diameter of the round shaft 612; the spring 613 is fitted over the circular shaft 612, and the diameter of the spring 613 is larger than the diameter of the aperture of the slide groove 212. When the picture frame is in a closed state, the positioning pin 11 is clamped in the groove of the hook sheet 62, so that the whole canvas frame is convenient to disassemble, assemble and transport. .
In a normal state, the square shaft 611 is embedded in the square hole and used for fixing the square shaft 611; when the hook sheet 62 needs to rotate, the variable cross-section shaft 61 is pressed, the square shaft 611 retracts into the sliding groove 212, and the circular shaft 612 is in contact with the sliding groove 212; after the rotation of the hook piece 62 is completed, the square shaft 611 is inserted into the square hole again by the urging force of the spring 613. Therefore, the function of locking after pressing rotation and in-place rebounding is realized.
Further according to the embodiment, the specific implementation modes of closing, opening and opening the picture frame are given:
in the specific use process, as shown in figure 1, the painting cloth frame in a closed state is taken out, a section of the painting cloth is wound around the upper ends of the upper and lower frames 1 of the aluminum profile, and is fixed and then installed in a guide groove of a door cover of the lamp box through a pulley 3, and then a hook piece 62 is pressed and rotated to open, so that the locking state is released;
the limiting hinge 5 with the lock is pushed at a proper position, so that the side frame 2 of the aluminum profile rotates, and the pulley 3 arranged on the upper frame 1 and the lower frame 1 of the aluminum profile slides in the guide groove of the door cover of the lamp box, so that the upper frame 1 and the lower frame 1 of the aluminum profile move upwards;
further, at the in-process that the drawing cloth frame was opened, aluminium alloy side frame 2 was rotatory round right angle limit hinge 4 for aluminium alloy side frame 2 is rotating when 90, and its non-radian limit and the shell contact of right angle limit hinge 4 and then withhold, play spacing effect.
After the canvas frame is opened, namely the side frame 2 of the aluminum profile is completely vertical, the upper frame 1 and the lower frame 1 of the aluminum profile move to the top end. Rotating a knob 53 on the hinge 5 with the lock to drive an internal limit gear 54 to rotate, and after rotating by 90 degrees, pushing out a certain distance from the top to the bottom by a telescopic sheet 55; the expansion sheet 55 is clamped into the clamping groove 211 of the side frame 2 of the aluminum profile after extending out, so that the expansion sheet cannot rotate around the rotating shaft 52, and the effect of closing the canvas frame is achieved.
Meanwhile, in order to avoid that the distance is insufficient or the cloth frame is closed due to the accidental falling of the dead weight caused by the fact that the telescopic piece 55 is pushed out, the extra-safety buckle mode of the hook device 6 is adopted for double safety. After the canvas frame is opened, the hook piece 62 is pressed down, the variable cross-section shaft 62 is pushed to move inwards, the variable cross-section shaft 62 is changed into a round shaft position, the hook is rotated to the position parallel to the side frame 2 of the aluminum profile, and the hook at the lower opening of the hook piece 62 hooks the positioning pin 11 to play a role of limiting and buckling.
The embodiments of the present invention are merely illustrative, and not restrictive, of the scope of the claims, and other substantially equivalent alternatives may occur to those skilled in the art and are within the scope of the present invention.
Claims (2)
1. A foldable convenient canvas frame for an advertising lamp box is characterized by comprising two aluminum profile upper and lower frames (1), two groups of aluminum profile side frames (2), a pulley (3), a right-angle limiting hinge (4), a limiting hinge with a lock (5) and a hook device (6); each group of aluminum profile side frames (2) comprises an upper side frame (21) and a lower side frame (22); the limiting hinge (5) with the lock comprises a shell (51), two rotating shafts (52), a knob (53), a limiting gear (54) and a telescopic sheet (55); the hook device (6) comprises a variable cross-section shaft (61) and hook sheets (62); the variable cross-section shaft (61) comprises two square shafts (611), a round shaft (612) and a spring (613);
the frame of the foldable convenient canvas frame for the advertising lamp box consists of two aluminum profile upper and lower frames (1) and two groups of aluminum profile side frames (2) to form a rectangular frame body; the upper frame (1) and the lower frame (2) of the aluminum profile are connected with the side frames (2) of the aluminum profile through right-angle limiting hinges (4), and the upper frame (21) and the lower frame (22) of each group of side frames (2) of the aluminum profile are connected through limiting hinges (5) with locks;
the upper frame and the lower frame (1) of the aluminum profile comprise positioning pins (11); the positioning pin (11) is a cylindrical tube;
the aluminum profile side frame (2) is a hollow aluminum profile pipe;
the pulley (3) is fixed at two ends of the upper and lower aluminum profile frames (1), two sides of the upper and lower aluminum profile frames (1) are provided with lamp box door covers, vertical guide grooves are arranged on the lamp box door covers, and the pulley (3) is arranged in the vertical guide grooves of the lamp box door covers, so that the upper and lower aluminum profile frames (1) of the canvas frame can slide up and down;
one end of the right-angle limiting hinge (4) is fixed on the upper and lower frames (1) of the aluminum profile, and the other end of the right-angle limiting hinge is hinged with the side frame (2) of the aluminum profile;
a clamping groove (211) and a sliding groove (212) are arranged on the upper side frame (21); the clamping groove (211) is a rectangular hole, and after the picture frame is opened, the telescopic sheet (55) extends into the clamping groove (211) and is used for fixing the picture frame; the sliding groove (212) is a hole similar to a shape like a Chinese character '8'; the upper part and the lower part of the 8-shaped hole are two square holes, and the axial section of each square hole is the same as that of the square shaft (611); a rectangular hole is formed between the two square holes, and the width of the rectangular hole is the same as the outer diameter of the circular shaft (612);
the upper end and the lower end of the limiting hinge (5) with the lock are respectively provided with a rotating shaft (52), and the limiting hinge (5) with the lock is connected with the upper side frame (21) and the lower side frame (22) through the rotating shafts (52); the outer part of the limiting hinge (5) with the lock is provided with a shell (51), the inside of the limiting hinge is provided with a knob (53), the knob (53) is connected with a limiting gear (54), then the limiting gear (54) is connected with a telescopic sheet (55), the limiting gear (54) is rotated through the knob (53), and the telescopic state of the telescopic sheet (55) is further controlled;
the hook device (6) is hinged with the upper side frame (21) through a variable cross-section shaft (61); the variable cross-section shaft (61) penetrates through the sliding groove (212); the hook sheet (62) is fixedly connected and contacted with the variable cross-section shaft (61) through a square shaft (611); a round shaft (612) is arranged between the two square shafts (611), the two square shafts are fixedly connected and contacted, and the side length of each square shaft (611) is larger than the outer diameter of the round shaft (612); the spring (613) is sleeved on the circular shaft (612), and the diameter of the spring (613) is larger than the aperture of the sliding chute (212); when the picture frame is in a closed state, the positioning pin (11) is clamped in the groove of the hook piece (62), so that the function of fixing the picture frame is achieved.
2. The foldable convenient canvas frame for an advertising lamp box as claimed in claim 1, wherein:
under the normal state, the square shaft (611) is embedded into the square hole and used for fixing the square shaft (611); when the hook sheet (62) needs to rotate, the variable cross-section shaft (61) is pressed, the square shaft (611) retracts into the sliding groove (212), and the circular shaft (612) is in contact with the sliding groove (212); after the rotation of the hook piece (62) is finished, the square shaft (611) is embedded into the square hole again by the acting force of the spring (613).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757084.5U CN216119421U (en) | 2021-07-30 | 2021-07-30 | Foldable convenient canvas frame for advertising lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757084.5U CN216119421U (en) | 2021-07-30 | 2021-07-30 | Foldable convenient canvas frame for advertising lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216119421U true CN216119421U (en) | 2022-03-22 |
Family
ID=80723937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121757084.5U Active CN216119421U (en) | 2021-07-30 | 2021-07-30 | Foldable convenient canvas frame for advertising lamp box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216119421U (en) |
-
2021
- 2021-07-30 CN CN202121757084.5U patent/CN216119421U/en active Active
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