CN216212217U - Foldable multi-functional singing propaganda frame - Google Patents

Abstract

The utility model discloses a folding type multifunctional singing propaganda frame, which comprises a movable base, wherein a vertical rod is fixed at the top end of the movable base, two hinged rods are hinged on two side walls of the vertical rod, mounting plates are fixed at the other ends of the four hinged rods, mounting grooves are formed in the positive end surfaces of the four mounting plates, propaganda plates with singing propaganda languages are movably mounted in the four mounting grooves, and inserting strips with trapezoidal vertical sections are fixed on the upper side wall and the lower side wall of each publicity plate respectively, the folding type multifunctional singing propaganda frame is different from the prior art, can be used for simultaneously folding and accommodating the four mounting plates by using the arrangement of a synchronous folding mechanism in the actual use process, reduces the occupied space of the device, can be used for conveniently replacing the publicity plates by using the arrangement of a portable clamping mechanism, and has a simple structure, reasonable in design, it is convenient to bring when changing to give to tear open.

Description

Foldable multi-functional singing propaganda frame

Technical Field

The utility model relates to the technical field of propaganda frames, in particular to a folding type multifunctional singing propaganda frame.

Background

The propaganda rack is a display tool for placing magazines, newspapers, company color pages, fashionable periodicals and advertising propaganda materials, has the advantages of simplicity, clearness, convenience in fetching and reading and the like, and can play roles in displaying commodities, conveying information and promoting sales.

At present, the conventional use tool when singing propaganda frame is publicized as the music, and it is inconvenient fold to propaganda frame and accomodate in the use, and occupation space that leads to propaganda frame is great, and secondly, when fixing the publicity board, generally adopt the screw to carry out the mode of fastening, lead to inconvenient propaganda board to the propaganda speech tear open and trade, for this, we provide a foldable multi-functional singing propaganda frame.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a folding type multifunctional singing propaganda frame to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a foldable multifunctional singing propaganda frame comprises a movable base, wherein vertical rods are fixed at the top end of the movable base, two hinged rods are hinged on two side walls of each vertical rod, mounting plates are fixed at the other ends of the four hinged rods, mounting grooves are formed in the positive end surfaces of the four mounting plates, propaganda plates with singing propaganda words are movably mounted in the four mounting grooves, inserting strips with trapezoidal vertical sections are fixed on the upper side walls and the lower side walls of the four propaganda plates, slots matched with the corresponding inserting strips are formed in the upper side walls and the lower side walls in the four mounting grooves, positioning columns are fixed on one side walls of the four propaganda plates, synchronous folding mechanisms are connected between the four hinged rods and the vertical rods, and portable clamping mechanisms are mounted on the back surfaces of the four mounting plates;

the portable clamping mechanism comprises a moving seat which is connected to the back of the mounting plate in a sliding mode, a moving groove matched with the moving seat is formed in the back of the mounting plate, an L-shaped connecting rod is hinged to the outer side of the moving seat, a sliding rod is fixed in the moving groove, the sliding seat is sleeved on the outer side of the sliding rod in a sliding mode, a spring is connected between one end of the moving seat and one end of the moving groove, the spring is movably sleeved on the outer side of the sliding rod, and a locating column matched with a trepanning corresponding to the trepanning is formed in the L-shaped connecting rod.

Preferably, four corners of the bottom end of the movable base are provided with universal wheels with locking functions.

Preferably, synchronous folding mechanism is including seting up two movable chambers that distribute from top to bottom in the pole setting, and the activity intracavity all slides and has the movable block, and screw drive is connected with same one-way lead screw on two movable blocks, and one-way lead screw passes through the bearing and rotates the connection in the pole setting, and the both ends of two movable blocks all are fixed with the sliding seat that the cross section is the T type, all offer two sliding tray that distribute from top to bottom on the both sides wall of pole setting.

Preferably, the sliding seats are all connected in the corresponding sliding grooves in a sliding mode, the movable cavities are all communicated with the corresponding two sliding grooves, the outer sides of the four sliding seats are all hinged with push-pull rods, and the other ends of the four push-pull rods are all hinged with one side wall of the corresponding hinge rod.

Preferably, the top end of the one-way screw rod extends to the top of the vertical rod and is fixedly connected with a first belt pulley, a transmission shaft is rotatably connected to one side wall of the vertical rod through a bearing seat, a second belt pulley is fixedly connected to the top end of the transmission shaft, a hand wheel is fixed to the bottom end of the transmission shaft, and a transmission belt is connected between the first belt pulley and the second belt pulley in a transmission mode.

Compared with the prior art, the utility model has the beneficial effects that:

the foldable multifunctional singing propaganda frame is different from the prior art, the four mounting plates can be simultaneously folded and stored by using the synchronous folding mechanism in the actual use process, the occupied space of the device is reduced, and the propaganda plate can be conveniently replaced by using the portable clamping mechanism.

Drawings

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

figure 2 is a schematic sectional bottom view of the pole of the present invention;

FIG. 3 is a schematic view of the expanded structure of the mounting plate and the publicity board of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention;

fig. 5 is an enlarged schematic view of the structure at B of the present invention.

In the figure: 1. moving the base; 2. a universal wheel; 3. erecting a rod; 31. a hinged lever; 32. mounting a plate; 33. a publicity board; 34. cutting; 35. a positioning column; 4. a synchronous folding mechanism; 401. a movable block; 402. a one-way lead screw; 403. a sliding seat; 404. a push-pull rod; 405. a first belt pulley; 406. a drive shaft; 407. a second belt pulley; 408. a transmission belt; 5. a portable clamping mechanism; 501. a movable seat; 502. an L-shaped connecting rod; 503. a slide bar; 504. a spring; 505. and (5) trepanning.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-5, the present invention provides a technical solution: a foldable multifunctional singing propaganda frame comprises a movable base 1, wherein a vertical rod 3 is fixed at the top end of the movable base 1, two hinged rods 31 are hinged to two side walls of the vertical rod 3, mounting plates 32 are fixed to the other ends of the four hinged rods 31, mounting grooves are formed in the front end faces of the four mounting plates 32, propaganda boards 33 with singing propaganda words are movably mounted in the four mounting grooves, inserting strips 34 with trapezoidal vertical sections are fixed to the upper side wall and the lower side wall of each publicity board 33, slots matched with the corresponding inserting strips 34 are formed in the upper side wall and the lower side wall of each mounting groove, positioning columns 35 are fixed to one side wall of each publicity board 33, synchronous folding mechanisms 4 are connected between the four hinged rods 31 and the vertical rod 3, and portable clamping mechanisms 5 are mounted on the back faces of the four mounting plates 32;

the portable clamping mechanism 5 comprises a moving seat 501 slidably connected to the back of the mounting plate 32, a moving groove matched with the moving seat 501 is formed in the back of the mounting plate 32, an L-shaped connecting rod 502 is hinged to the outer side of the moving seat 501, a sliding rod 503 is fixed in the moving groove, the moving seat 501 is slidably sleeved on the outer side of the sliding rod 503, a spring 504 is connected between one end of the moving seat 501 and one end of the moving groove, the spring 504 is movably sleeved on the outer side of the sliding rod 503, a sleeve hole 505 matched with a corresponding positioning column 35 is formed in the L-shaped connecting rod 502, and under the reverse action of the spring 504, the propaganda board 33 can be tensioned and conveniently released in the mounting groove.

Further, all install the universal wheel 2 of taking locking function in the bottom four corners of removing base 1, through setting up universal wheel 2, make things convenient for the removal transportation of this device.

Further, the synchronous folding mechanism 4 comprises two movable cavities which are arranged on the vertical rod 3 and distributed up and down, movable blocks 401 are respectively arranged in the movable cavities in a sliding manner, the two movable blocks 401 are connected with the same one-way lead screw 402 in a spiral transmission manner, the one-way lead screw 402 is rotatably connected to the vertical rod 3 through a bearing, two sliding seats 403 with T-shaped cross sections are respectively fixed at two ends of the two movable blocks 401, two sliding grooves which are respectively arranged up and down are respectively arranged on two side walls of the vertical rod 3, the sliding seats 403 are respectively connected in the corresponding sliding grooves in a sliding manner, the movable cavities are respectively communicated with the two corresponding sliding grooves, push-pull rods 404 are respectively hinged at the outer sides of the four sliding seats 403, the other ends of the four push-pull rods 404 are respectively hinged with one side wall of the corresponding hinge rod 31, the top end of the one-way lead screw 402 extends to the top of the vertical rod 3 and is fixedly connected with a belt pulley 405, a transmission shaft 406 is rotatably connected to one side wall of the vertical rod 3 through a bearing seat, the top end of the transmission shaft 406 is fixedly connected with a second belt pulley 407, the bottom end of the transmission shaft 406 is fixedly provided with a hand wheel, a transmission belt 408 is connected between the first belt pulley 405 and the second belt pulley 407 in a transmission manner, and the cross section width of the movable cavity is smaller than that of the sliding groove.

In the scheme, when the four mounting plates 32 are required to be folded, the transmission shaft 406 can be rotated by the hand wheel, the second belt pulley 407 rotates, the second belt pulley 407 is in transmission connection with the first belt pulley 405 through the transmission belt 408, so that the one-way screw 402 connected with the first belt pulley 405 rotates, the two movable blocks 401 are in screw transmission connection with the one-way screw 402, the two movable blocks 401 move upwards in the corresponding movable cavities, meanwhile, the movable blocks 401 all drive the sliding seats 403 at the two ends to move upwards, the push-pull rods 404 hinged to the sliding seats 403 move upwards, the push-pull rods 404 pull the hinged hinge rods 31 correspondingly upwards, so that the four mounting plates 32 are convenient to be folded and stored, when the four mounting plates 32 are not used, the four mounting plates 32 can be folded and stored, the occupied space of the device is convenient to reduce, and when the four mounting plates 33 are required to be publicized and replaced, the L-shaped connecting rod 502 can be pulled, the hinged moving seat 501 can slide in the moving slot and compress the spring 504 outside the sliding rod 503, and meanwhile, the loop hole 505 on the L-shaped connecting rod 502 can be separated from the positioning column 35 on the side wall of the corresponding publicity board 33, so that the publicity board 33 can be conveniently drawn out from the mounting slot, and the publicity board can be conveniently replaced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a foldable multi-functional singing propaganda frame, includes removal base (1), its characterized in that: the top end of the moving base (1) is fixed with a vertical rod (3), two hinged rods (31) are hinged to two side walls of the vertical rod (3), mounting plates (32) are fixed to the other ends of the four hinged rods (31), mounting grooves are formed in the positive end faces of the four mounting plates (32), publicity boards (33) with singing publicity are movably mounted in the four mounting grooves, inserting strips (34) with trapezoidal vertical sections are fixed to the upper side walls and the lower side walls of the four publicity boards (33), slots matched with the corresponding inserting strips (34) are formed in the upper side walls and the lower side walls of the four mounting grooves, positioning columns (35) are fixed to one side walls of the four publicity boards (33), synchronous folding mechanisms (4) are connected between the four hinged rods (31) and the vertical rod (3), and portable clamping mechanisms (5) are mounted on the back faces of the four mounting plates (32);

portable card mechanism (5) include removal seat (501) at the mounting panel (32) back including sliding connection, the back of mounting panel (32) is seted up and is removed seat (501) matched with shifting chute, the outside of removing seat (501) articulates there is L type connecting rod (502), the shifting chute internal fixation has slide bar (503), it establishes the outside at slide bar (503) to remove seat (501) slip cover, be connected with spring (504) between the one end of removing seat (501) and the tip of shifting chute, spring (504) activity cover is established in the outside of slide bar (503), set up on L type connecting rod (502) with corresponding reference column (35) matched with trepanning (505).

2. The foldable multi-functional singing propaganda rack of claim 1, wherein: the universal wheels (2) with the locking function are mounted at four corners of the bottom end of the movable base (1).

3. The foldable multi-functional singing propaganda rack of claim 1, wherein: synchronous folding mechanism (4) are including seting up the activity chamber that distributes about two on pole setting (3), and activity intracavity all slides has movable block (401), and screw drive is connected with same one-way lead screw (402) on two movable block (401), and one-way lead screw (402) rotate through the bearing and connect on pole setting (3), and the both ends of two movable block (401) all are fixed with sliding seat (403) that the cross section is the T type, all set up two sliding tray that distribute from top to bottom on the both sides wall of pole setting (3).

4. The foldable multi-functional singing propaganda rack of claim 3, wherein: all sliding seat (403) sliding connection is in the corresponding sliding groove, the activity chamber all communicates with two corresponding sliding grooves, the outside of four sliding seat (403) all articulates there is push-and-pull rod (404), the other end of four push-and-pull rod (404) all articulates with a lateral wall of articulated rod (31) that corresponds.

5. The foldable multi-functional singing propaganda rack of claim 3, wherein: the top of one-way lead screw (402) extends to the top of pole setting (3) to the rigid coupling has belt pulley (405), rotates through the bearing frame on the lateral wall of pole setting (3) and is connected with transmission shaft (406), and the top rigid coupling of transmission shaft (406) has belt pulley two (407), and the bottom mounting of transmission shaft (406) has the hand wheel, and the transmission is connected with drive belt (408) between belt pulley one (405) and belt pulley two (407).

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