CN218849036U - A retractable display board - Google Patents

Abstract

The utility model discloses a telescopic show tablet relates to show tablet technical field. This telescopic show tablet, including first fixed plate, folding grillage, connecting machine box, extension frame and stop gear, folding grillage includes first fixed plate, second fixed plate, third fixed plate and fourth fixed plate. This telescopic display card, can be to first fixed plate, the second fixed plate, third fixed plate and fourth fixed plate are fixed, form a whole great show area, also can fold the display card, reduce the length and the width of display card, make the display card can conveniently carry, the display card of also being convenient for transports between the occasion of difference, great improvement the portable degree of display card, also can adjust the display card and be located appointed height, the participant of being convenient for observes the poster on the display card.

Description

A retractable display board

technical field

The utility model relates to the technical field of display boards, in particular to a retractable display board.

Background technique

College students need to engage in social practice activities during their school days, and in the process of social practice activities, they need to use display boards to display speech information to enhance the publicity effect of social practice activities. Currently, the smaller display boards on the market cannot compare Fixing large posters leads to poor display information effect, and although larger display boards can fix larger posters, they are not easy to carry. Therefore, a telescopic display board is invented.

Utility model content

The purpose of the utility model is to at least solve one of the technical problems in the prior art, and provide a telescopic display board, which can solve the problem that the display board is small in size, cannot fix larger posters, and larger posters cannot be fixed. The display board cannot be easily carried, nor is it convenient to transport between different occasions.

In order to achieve the above purpose, the utility model provides the following technical solutions: a telescopic display card, including a first fixed plate, a folding plate frame, a connecting machine box, an extension frame and a limit mechanism, and the folding plate frame includes a first fixing plate plate, the second fixed plate, the third fixed plate and the fourth fixed plate, the second fixed plate is located on the top of the first fixed plate, the third fixed plate is located on the side of the second fixed plate, the fourth fixed plate is located on the first fixed plate One side of the plate, the third fixed plate is located on the top of the fourth fixed plate, and the connecting box is located between the first fixed plate, the second fixed plate, the third fixed plate and the fourth fixed plate.

The extension frame is located at the front side of the connection box, and the limit mechanism is located inside the connection box.

Preferably, the top of the first fixed plate is hingedly installed with the bottom of the second fixed plate, one side of the second fixed plate is hingedly installed with one side of the third fixed plate, and one side of the first fixed plate is hinged with the fourth fixed plate. One side of the plate is hingedly installed, the bottom of the third fixed plate is in contact with the top of the fourth fixed plate, and the connecting box is in contact with the first fixed plate, the second fixed plate, the third fixed plate and the fourth fixed plate, The first fixing plate, the second fixing plate, the third fixing plate and the fourth fixing plate are all provided with fixing holes, so that the display board can be formed into five parts, which is convenient for carrying and transporting the display board.

Preferably, the position limiting mechanism includes a rotating shaft, a rotating disc, a pull rod, a fixed plate, a clamping rod, a mounting block, a push spring and a rotating button, and the two ends of the rotating shaft are respectively connected to the front and rear side inner walls of the case, and the rotating The disk is fixedly installed on the outer wall of the rotating shaft, the pull rod is movably installed on the front side of the rotating disk, the fixed plate is fixedly installed on the inner wall of one side connected to the machine box, the clamping rod is slidably installed on the bottom of the fixed plate and the connecting machine box, and one end of the clamping rod Extending into the fixing hole, the mounting block is fixedly installed on the outer wall of the clamping rod, and the push spring is sleeved on the outer wall of the clamping rod. Both ends of the pushing spring are in contact with the bottom of the fixing plate and the top of the mounting block, which can Plate, the second fixed plate, the third fixed plate and the fourth fixed plate are fixed, so that the first fixed plate, the second fixed plate, the third fixed plate, the fourth fixed plate and the connection box form a larger whole, It is convenient for displaying larger volume posters.

Preferably, there are four pull rods, fixing plates, clamping rods, mounting blocks and push springs arranged in a circular array centered on the rotating shaft, and a rotating knob is installed on the front side of the connecting box, and one end of the rotating knob runs through the Connect the front side of the case and fix it with one end of the rotating shaft.

Preferably, the extension frame includes a movable rod, a support rod and a bolt, the movable rod is provided with a movable groove, the top of the support rod is slidably installed in the movable groove, the bolt is threadedly mounted on the movable rod, and one end of the bolt is connected to the The outer wall is in contact, and the bottom end of the support rod is hingedly installed with the top outer wall of the storage bottom box, so that the height of the display board can be adjusted to facilitate participants to watch the poster on the display board.

Preferably, two restricting blocks are fixedly installed on the front side of the connection box, a slot is provided on the movable rod, the restricting block is snapped and installed in the slot, and the movable rod is snapped and installed with the restricting block.

Preferably, the rear side of the support rod is hingedly installed with a limit rod, the top outer wall of the storage bottom box is provided with a rod release slot, the top outer wall of the storage bottom box is opened in the limit slot, and the top outer wall of the storage bottom box is provided with a card slot , one end of the limit rod is located in the limit groove, and the rear side of the support rod is fixedly equipped with a block, which can be engaged and installed in the draw slot, so as to support the movable rod and the support rod, so as to facilitate the fixing of the display card.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The telescopic display board can fix the first fixed plate, the second fixed plate, and the third fixed plate and the fourth fixed plate are fixed, so that the first fixed plate, the second fixed plate, the third fixed plate, the fourth fixed plate and the connecting box form an overall larger display area, which is convenient for large-scale posters For display, through the hinges between the first fixed plate, the second fixed plate, the third fixed plate and the fourth fixed plate, the display card can be folded to reduce the length and width of the display card, so that the display card can be easily carried and also It is convenient for the display card to be transported between different occasions, which greatly improves the portability of the display card.

(2) The telescopic display board can be used in conjunction with the movable rod, the support rod, the storage bottom box, the bolt, the limit block and the rotation button to control the first fixed plate, the second fixed plate, the third fixed plate, the The four fixed plates and the display board formed by connecting the machine box are fixed, and the display board can be located at a specified height, which is convenient for participants to observe the poster on the display board, and the display board can also be placed inside the storage bottom box, which is convenient for carrying out Storage to avoid damage to display boards during transportation.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the right view structure diagram of storage bottom case of the present utility model;

Fig. 3 is a schematic structural diagram of the front view of the connection box of the present invention;

Fig. 4 is a right storage view of the support rod of the present invention.

Reference signs: first fixed plate 1, second fixed plate 2, third fixed plate 3, fourth fixed plate 4, connection box 5, movable rod 6, support rod 7, storage bottom box 8, bolt 9, limit Block 10, rotating shaft 11, rotating disc 12, pull bar 13, fixed plate 14, clamping bar 15, mounting block 16, push spring 17, rotating knob 18, limit lever 19.

Detailed ways

This part will describe the concrete embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the accompanying drawing, and the function of the accompanying drawing is to supplement the description of the text part of the specification with figures, so that people can visually and vividly Each technical feature and overall technical solution of the present utility model should be understood, but they should not be construed as limiting the protection scope of the present utility model.

In the description of the present utility model, it should be understood that when it comes to orientation descriptions, for example, the orientations or positional relationships indicated by up, down, front, back, left, right, etc. are based on the orientations or positional relationships shown in the accompanying drawings, only It is for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the utility model.

In the description of the present utility model, greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.

In the description of the utility model, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above-mentioned words in the utility model in combination with the specific content of the technical solution .

Embodiment one:

Please refer to Figures 1-4, the utility model provides a technical solution: a telescopic display card, including a first fixed plate 1, a folding plate frame, a connecting machine box 5, an extension frame and a limit mechanism, and the folding plate frame includes The first fixed plate 1, the second fixed plate 2, the third fixed plate 3 and the fourth fixed plate 4, the second fixed plate 2 is located at the top of the first fixed plate 1, and the third fixed plate 3 is located at the top of the second fixed plate 2 On one side, the fourth fixed plate 4 is located on one side of the first fixed plate 1, the third fixed plate 3 is located on the top of the fourth fixed plate 4, and the connection box 5 is located on the first fixed plate 1, the second fixed plate 2, the second fixed plate Between the three fixing plates 3 and the fourth fixing plate 4 , the extension frame is located at the front side of the connection box 5 , and the limit mechanism is located inside the connection box 5 .

Further, the top of the first fixed plate 1 is hingedly installed with the bottom of the second fixed plate 2, one side of the second fixed plate 2 is hingedly installed with one side of the third fixed plate 3, one side of the first fixed plate 1 is connected with One side of the fourth fixed plate 4 is hingedly installed, the bottom of the third fixed plate 3 is in contact with the top of the fourth fixed plate 4, and the connection box 5 is all fixed with the first fixed plate 1, the second fixed plate 2, and the third fixed plate. The plate 3 is in contact with the fourth fixed plate 4 , and the first fixed plate 1 , the second fixed plate 2 , the third fixed plate 3 and the fourth fixed plate 4 are all provided with fixing holes.

Embodiment two:

Please refer to Figures 1-4, on the basis of Embodiment 1, the limit mechanism includes a rotating shaft 11, a rotating disk 12, a pull rod 13, a fixed plate 14, a clamping rod 15, a mounting block 16, a push spring 17 and a rotating knob 18, The two ends of the rotating shaft 11 are respectively installed in rotation with the front and rear side inner walls of the connecting machine box 5, the rotating disc 12 is fixedly installed on the outer wall of the rotating shaft 11, the pull rod 13 is movably installed on the front side of the rotating disc 12, and the fixed plate 14 is fixedly installed on the connection. One side inner wall of machine box 5, clamp rod 15 is slidably installed on the bottom of fixed plate 14 and connecting machine box 5, and one end of clamp rod 15 extends in the fixing hole, and mounting block 16 is fixedly installed on the outer wall of clamp rod 15, and push spring 17 is sleeved on the outer wall of the clamp rod 15, and both ends of the push spring 17 are in contact with the bottom of the fixed plate 14 and the top of the mounting block 16, and the turning knob 18 and the turning knob 18 drive the turning shaft 11 and the turning disk 12 to perform Rotation, the rotation of the rotating disc 12 causes one end of the pull rod 13 to rotate centrifugally, so that the other end of the pull rod 13 pulls the clamping rod 15, so that the clamping rod 15 is moved out of the fixing hole.

Further, there are four pull rods 13, fixed plates 14, clamping rods 15, mounting blocks 16 and push springs 17, which are arranged in a circular array centered on the rotating shaft 11, and a rotating knob 18 is installed on the front side of the connecting box 5. One end of the rotating knob 18 runs through the front side of the connecting case 5 and is fixedly installed with one end of the rotating shaft 11 .

Furthermore, the extension frame includes a movable rod 6, a support rod 7 and a bolt 9, and the movable rod 6 is provided with a movable groove, and the top of the support rod 7 is slidably installed in the movable groove, and the bolt 9 is threadedly installed on the movable rod 6, and the bolt One end of 9 is in contact with the outer wall of support bar 7, and the bottom of support bar 7 is hingedly installed with the top outer wall of storage bottom box 8.

Furthermore, two limiting blocks 10 are fixedly installed on the front side of the connecting machine box 5, and a draw-in groove is provided on the movable rod 6, and the restricting block 10 is engaged and installed in the engaging groove, and the movable rod 6 and the restricting block 10 are engaged and installed. .

Secondly, the rear side of the support bar 7 is hingedly installed with a limit bar 19, and the top outer wall of the storage bottom case 8 is provided with a rod slot, and the top outer wall of the storage bottom case 8 is opened in the limit groove, and the top outer wall of the storage bottom case 8 is provided with Draw-in slot, one end of the limit rod 19 is located in the limit slot, the rear side of the support rod 7 is fixedly equipped with a block, and the block can be snap-fitted and installed in the draw-in slot.

Working principle: by twisting the rotating knob 18, the rotating knob 18 drives the rotating shaft 11 and the rotating disk 12 to rotate, and the rotation of the rotating disk 12 makes one end of the pull rod 13 rotate centrifugally, so that the other end of the pull rod 13 can move the clamping rod 15 pull the lever 15 out of the fixing hole, fold the third fixing plate 3 to the back side of the second fixing plate 2, fold the fourth fixing plate 4 to the back side of the first fixing plate 1, and then fold the second fixing plate Plate 2 and the third fixed plate 3 are folded toward the front side of the first fixed plate 1, and then the movable rod 6 is removed from the restricting block 10 on the rear side of the connecting box 5, so that the first fixed plate 1 and the second fixed plate 2 , the third fixed plate 3, the fourth fixed plate 4 and the connecting machine box 5 can be placed in the inside of the storage bottom box 8, which is convenient for storing the display cards, otherwise the display cards can be unfolded.

The above embodiments of the utility model have been described in detail in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Make various changes below.

Claims (7)

1. A telescopic display card, comprising a first fixed plate (1), a folding plate frame, a connecting machine box (5), an extension frame and a limit mechanism, characterized in that: the folding plate frame includes a first fixed plate (1), the second fixed plate (2), the third fixed plate (3) and the fourth fixed plate (4), the second fixed plate (2) is located on the top of the first fixed plate (1), the third fixed plate (3) on one side of the second fixed plate (2), the fourth fixed plate (4) on one side of the first fixed plate (1), and the third fixed plate (3) on the side of the fourth fixed plate (4) At the top, the connection box (5) is located between the first fixed plate (1), the second fixed plate (2), the third fixed plate (3) and the fourth fixed plate (4); The extension frame is located at the front side of the connecting machine box (5), and the limit mechanism is located inside the connecting machine box (5). 2. A telescopic display card according to claim 1, characterized in that: the top of the first fixed plate (1) is hingedly installed with the bottom of the second fixed plate (2), and the second fixed plate (2) ) is hingedly installed with one side of the third fixed plate (3), one side of the first fixed plate (1) is hingedly installed with one side of the fourth fixed plate (4), and the third fixed plate (3) The bottom is in contact with the top of the fourth fixed plate (4), and the connecting box (5) is all connected to the first fixed plate (1), the second fixed plate (2), the third fixed plate (3) and the fourth fixed plate (4) In contact with each other, the first fixing plate (1), the second fixing plate (2), the third fixing plate (3) and the fourth fixing plate (4) are all provided with fixing holes. 3. A telescopic display card according to claim 2, characterized in that: the limit mechanism includes a rotating shaft (11), a rotating disk (12), a pull rod (13), a fixing plate (14), a card Bar (15), mounting block (16), push spring (17) and turning button (18), the two ends of turning shaft (11) are respectively installed with the front and back side inwalls of connection machine box (5), and turning disk (12 ) is fixedly installed on the outer wall of the rotating shaft (11), the pull rod (13) is movably installed on the front side of the rotating disc (12), the fixed plate (14) is fixedly installed on the side inner wall of the connecting machine box (5), and the clamping rod ( 15) Slidingly installed on the bottom of the fixed plate (14) and the connecting machine box (5), one end of the clamping rod (15) extends into the fixing hole, and the mounting block (16) is fixedly installed on the outer wall of the clamping rod (15), push Spring (17) is sleeved on the outer wall of clamp bar (15), and the two ends of push spring (17) all contact with the bottom of fixed plate (14) and the top of mounting block (16). 4. A telescopic display card according to claim 3, characterized in that: the pull rod (13), the fixing plate (14), the clamping rod (15), the mounting block (16) and the push spring (17) There are four and are arranged in a circular array with the rotating shaft (11) as the center. The front side of the connecting case (5) is turned to be equipped with a rotating knob (18), and one end of the rotating knob (18) runs through the connecting case (5) The front side and fixed installation with an end of rotating shaft (11). 5. A telescopic display card according to claim 4, characterized in that: the extension frame includes a movable rod (6), a support rod (7) and a bolt (9), and the movable rod (6) is provided with Movable groove, the top of support rod (7) slides and is installed in the movable groove, and bolt (9) thread is installed on the movable rod (6), and one end of bolt (9) contacts with the outer wall of support rod (7), and the support rod The bottom of (7) is hingedly installed with the top outer wall of storage bottom box (8). 6. A telescopic display board according to claim 5, characterized in that: two limiting blocks (10) are fixedly installed on the front side of the connection box (5), and a movable rod (6) is provided with In the draw-in slot, the restriction block (10) is fitted in the draw-in slot, and the movable rod (6) is engaged with the restriction block (10) for installation. 7. A telescopic display card according to claim 5, characterized in that: the rear side of the support rod (7) is hingedly mounted with a limit rod (19), and the top outer wall of the storage bottom box (8) is provided with a Put the rod groove, the top outer wall of storage bottom case (8) is offered at the limit groove, and the top outer wall of storage bottom case (8) is provided with draw-in groove, and one end of limit rod (19) is positioned at the limit groove, and support bar ( 7) The rear side is fixedly equipped with a card block, and the card block can be locked and installed in the card slot.

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